*/
#include "platform.h"
+#include "gnunet_common.h"
#include "gnunet_constants.h"
#include "gnunet_protocols.h"
#include "gnunet_connection_lib.h"
#include "gnunet_resolver_service.h"
#include "gnunet_server_lib.h"
#include "gnunet_container_lib.h"
-#include "plugin_transport.h"
+#include "gnunet_transport_plugin.h"
#include "gnunet_os_lib.h"
#include "microhttpd.h"
#include <curl/curl.h>
+#if BUILD_HTTPS
+#define LIBGNUNET_PLUGIN_TRANSPORT_INIT libgnunet_plugin_transport_https_init
+#define LIBGNUNET_PLUGIN_TRANSPORT_DONE libgnunet_plugin_transport_https_done
+#define LIBGNUNET_PLUGIN_TRANSPORT_COMPONENT transport_https
+#define PROTOCOL_PREFIX "https"
+#else
+#define LIBGNUNET_PLUGIN_TRANSPORT_INIT libgnunet_plugin_transport_http_init
+#define LIBGNUNET_PLUGIN_TRANSPORT_DONE libgnunet_plugin_transport_http_done
+#define LIBGNUNET_PLUGIN_TRANSPORT_COMPONENT transport_http
+#define PROTOCOL_PREFIX "http"
+#endif
-#define DEBUG_CURL GNUNET_NO
#define DEBUG_HTTP GNUNET_NO
-#define DEBUG_CONNECTIONS GNUNET_YES
+#define DEBUG_CURL GNUNET_NO
+#define DEBUG_MHD GNUNET_NO
+#define DEBUG_CONNECTIONS GNUNET_NO
+#define DEBUG_SESSION_SELECTION GNUNET_NO
+#define DEBUG_SCHEDULING GNUNET_NO
+#define CURL_TCP_NODELAY GNUNET_YES
#define INBOUND GNUNET_NO
#define OUTBOUND GNUNET_YES
+
+
/**
* Text of the response sent back after the last bytes of a PUT
* request have been received (just to formally obey the HTTP
*/
#define HTTP_CONNECT_TIMEOUT 30
+
/**
* Network format for IPv4 addresses.
*/
struct IPv4HttpAddress
{
+ /**
+ * Linked list next
+ */
+ struct IPv4HttpAddress * next;
+
+ /**
+ * Linked list previous
+ */
+ struct IPv4HttpAddress * prev;
+
/**
* IPv4 address, in network byte order.
*/
*/
struct IPv6HttpAddress
{
+ /**
+ * Linked list next
+ */
+ struct IPv6HttpAddress * next;
+
+ /**
+ * Linked list previous
+ */
+ struct IPv6HttpAddress * prev;
+
/**
* IPv6 address.
*/
* id for next session
*/
size_t session_id_counter;
+
+ /**
+ * Last session used to send data
+ */
+ struct Session * last_session;
+
+ /**
+ * The task resetting inbound quota delay
+ */
+ GNUNET_SCHEDULER_TaskIdentifier reset_task;
+
+ /**
+ * Delay from transport service inbound quota tracker when to receive data again
+ */
+ struct GNUNET_TIME_Relative delay;
};
*/
unsigned int recv_force_disconnect;
+
/**
* id for next session
* NOTE: 0 is not an ID, zero is not defined. A correct ID is always > 0
* inbound session: mhd_connection *
*/
void * recv_endpoint;
+
+ /**
+ * Current queue size
+ */
+ size_t queue_length_cur;
+
+ /**
+ * Max queue size
+ */
+ size_t queue_length_max;
+
};
/**
*/
struct GNUNET_TRANSPORT_PluginEnvironment *env;
- unsigned int port_inbound;
+ /**
+ * Handle for reporting statistics.
+ */
+ struct GNUNET_STATISTICS_Handle *stats;
+
+ /**
+ * Plugin Port
+ */
+ uint16_t port_inbound;
struct GNUNET_CONTAINER_MultiHashMap *peers;
*/
CURLM * multi_handle;
+ /**
+ * ipv4 DLL head
+ */
+ struct IPv4HttpAddress * ipv4_addr_head;
+
+ /**
+ * ipv4 DLL tail
+ */
+ struct IPv4HttpAddress * ipv4_addr_tail;
+
+ /**
+ * ipv6 DLL head
+ */
+ struct IPv6HttpAddress * ipv6_addr_head;
+
+ /**
+ * ipv6 DLL tail
+ */
+ struct IPv6HttpAddress * ipv6_addr_tail;
+
/**
* Our ASCII encoded, hashed peer identity
* This string is used to distinguish between connections and is added to the urls
*/
struct GNUNET_CRYPTO_HashAsciiEncoded my_ascii_hash_ident;
+
+ /**
+ * IPv4 Address the plugin binds to
+ */
+ struct sockaddr_in * bind4_address;
+
+ /**
+ * IPv6 Address the plugins binds to
+ */
+ struct sockaddr_in6 * bind6_address;
+
+ /**
+ * Hostname to bind to
+ */
+ char * bind_hostname;
+
+ /**
+ * Is IPv4 enabled?
+ */
+ int use_ipv6;
+
+ /**
+ * Is IPv6 enabled?
+ */
+ int use_ipv4;
+
+ /**
+ * use local addresses?
+ */
+ int use_localaddresses;
+
+ /**
+ * maximum number of connections
+ */
+ int max_connect_per_transport;
+
+ /**
+ * Current number of connections;
+ */
+ int current_connections;
+
+ /**
+ * Closure passed by MHD to the mhd_logger function
+ */
+ void * mhd_log;
+
+ /* only needed for HTTPS plugin */
+#if BUILD_HTTPS
+ /* The certificate MHD uses as an \0 terminated string */
+ char * cert;
+
+ /* The private key MHD uses as an \0 terminated string */
+ char * key;
+
+ /* crypto init string */
+ char * crypto_init;
+#endif
};
const void *addr,
size_t addrlen);
-static char * create_url(void * cls, const void * addr, size_t addrlen, size_t id)
+
+/**
+ * Call MHD to process pending ipv4 requests and then go back
+ * and schedule the next run.
+ */
+static void http_server_daemon_v4_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+/**
+ * Call MHD to process pending ipv6 requests and then go back
+ * and schedule the next run.
+ */
+static void http_server_daemon_v6_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+/**
+ * Function setting up curl handle and selecting message to send
+ *
+ * @param plugin plugin
+ * @param ps session
+ * @return GNUNET_SYSERR on failure, GNUNET_NO if connecting, GNUNET_YES if ok
+ */
+static int send_check_connections (struct Plugin *plugin, struct Session *ps);
+
+/**
+ * Function setting up file descriptors and scheduling task to run
+ *
+ * @param plugin plugin as closure
+ * @return GNUNET_SYSERR for hard failure, GNUNET_OK for ok
+ */
+static int curl_schedule (struct Plugin *plugin);
+
+/**
+ * Task scheduled to reset the inbound quota delay for a specific peer
+ * @param cls plugin as closure
+ * @param tc task context
+ */
+static void reset_inbound_quota_delay (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct HTTP_PeerContext * pc = cls;
+
+ GNUNET_assert(cls != NULL);
+ pc->reset_task = GNUNET_SCHEDULER_NO_TASK;
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ return;
+ pc->delay = GNUNET_TIME_relative_get_zero ();
+}
+
+
+/**
+ * Creates a valid url from passed address and id
+ * @param plugin plugin
+ * @param addr address to create url from
+ * @param addrlen address lenth
+ * @param id session id
+ * @return the created url
+ */
+static char *
+create_url(struct Plugin *plugin,
+ const void * addr, size_t addrlen,
+ size_t id)
{
- struct Plugin *plugin = cls;
char *url = NULL;
+ char *addr_str = (char *) http_plugin_address_to_string(NULL, addr, addrlen);
GNUNET_assert ((addr!=NULL) && (addrlen != 0));
GNUNET_asprintf(&url,
- "http://%s/%s;%u",
- http_plugin_address_to_string(NULL, addr, addrlen),
+ "%s://%s/%s;%u", PROTOCOL_PREFIX, addr_str,
(char *) (&plugin->my_ascii_hash_ident),id);
-
+ GNUNET_free_non_null(addr_str);
return url;
}
+
/**
* Removes a message from the linked list of messages
- * @param con connection to remove message from
- * @param msg message to remove
+ * @param ps session
+ * @param msg message
* @return GNUNET_SYSERR if msg not found, GNUNET_OK on success
*/
-static int remove_http_message (struct Session * ps, struct HTTP_Message * msg)
+static int
+remove_http_message (struct Session * ps,
+ struct HTTP_Message * msg)
{
- GNUNET_CONTAINER_DLL_remove(ps->pending_msgs_head,ps->pending_msgs_tail,msg);
+ GNUNET_CONTAINER_DLL_remove(ps->pending_msgs_head,
+ ps->pending_msgs_tail,
+ msg);
GNUNET_free(msg);
return GNUNET_OK;
}
+/**
+ * Iterator to remove peer context
+ * @param cls the plugin
+ * @param key the peers public key hashcode
+ * @param value the peer context
+ * @return GNUNET_YES on success
+ */
+static int
+remove_peer_context_Iterator (void *cls,
+ const GNUNET_HashCode *key,
+ void *value)
+{
+ struct Plugin *plugin = cls;
+ struct HTTP_PeerContext * pc = value;
+ struct Session * ps = pc->head;
+ struct Session * tmp = NULL;
+ struct HTTP_Message * msg = NULL;
+ struct HTTP_Message * msg_tmp = NULL;
+
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Freeing context for peer `%s'\n",
+ GNUNET_i2s(&pc->identity));
+#endif
+ GNUNET_CONTAINER_multihashmap_remove (plugin->peers, &pc->identity.hashPubKey, pc);
+ while (ps!=NULL)
+ {
+ plugin->env->session_end(plugin, &pc->identity, ps);
+ tmp = ps->next;
+
+ GNUNET_free_non_null (ps->addr);
+ GNUNET_free(ps->url);
+ if (ps->msgtok != NULL)
+ GNUNET_SERVER_mst_destroy (ps->msgtok);
+
+ msg = ps->pending_msgs_head;
+ while (msg!=NULL)
+ {
+ msg_tmp = msg->next;
+ GNUNET_free(msg);
+ msg = msg_tmp;
+ }
+ if (ps->direction==OUTBOUND)
+ {
+ if (ps->send_endpoint!=NULL)
+ curl_easy_cleanup(ps->send_endpoint);
+ if (ps->recv_endpoint!=NULL)
+ curl_easy_cleanup(ps->recv_endpoint);
+ }
+ GNUNET_free(ps);
+ ps=tmp;
+ }
+ GNUNET_free(pc);
+ GNUNET_STATISTICS_update (plugin->env->stats,
+ gettext_noop ("# HTTP peers active"),
+ -1,
+ GNUNET_NO);
+ return GNUNET_YES;
+}
+
+
/**
* Removes a session from the linked list of sessions
* @param pc peer context
* @param ps session
* @param call_msg_cont GNUNET_YES to call pending message continuations, otherwise no
- * @param call_msg_cont_result, result to call message continuations with
+ * @param call_msg_cont_result result to call message continuations with
* @return GNUNET_SYSERR if msg not found, GNUNET_OK on success
*/
-static int remove_session (struct HTTP_PeerContext * pc, struct Session * ps, int call_msg_cont, int call_msg_cont_result)
+static int
+remove_session (struct HTTP_PeerContext * pc,
+ struct Session * ps,
+ int call_msg_cont,
+ int call_msg_cont_result)
{
struct HTTP_Message * msg;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: removing %s session with id %u\n", ps, (ps->direction == INBOUND) ? "inbound" : "outbound",ps->session_id);
+ struct Plugin * plugin = ps->peercontext->plugin;
+
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: removing %s session %X with id %u\n",
+ ps,
+ (ps->direction == INBOUND)
+ ? "inbound"
+ : "outbound",
+ ps, ps->session_id);
+#endif
+ plugin->env->session_end(plugin, &pc->identity, ps);
GNUNET_free_non_null (ps->addr);
GNUNET_SERVER_mst_destroy (ps->msgtok);
GNUNET_free(ps->url);
-
+ if (ps->direction==INBOUND)
+ {
+ if (ps->recv_endpoint != NULL)
+ {
+ curl_easy_cleanup(ps->recv_endpoint);
+ ps->recv_endpoint = NULL;
+ }
+ if (ps->send_endpoint != NULL)
+ {
+ curl_easy_cleanup(ps->send_endpoint);
+ ps->send_endpoint = NULL;
+ }
+ }
+
msg = ps->pending_msgs_head;
while (msg!=NULL)
- {
- if ((call_msg_cont == GNUNET_YES) && (msg->transmit_cont!=NULL))
{
- msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,call_msg_cont_result);
+ if ((call_msg_cont == GNUNET_YES) && (msg->transmit_cont!=NULL))
+ {
+ msg->transmit_cont (msg->transmit_cont_cls,
+ &pc->identity,
+ call_msg_cont_result);
+ }
+ GNUNET_CONTAINER_DLL_remove(ps->pending_msgs_head,
+ ps->pending_msgs_head,
+ msg);
+ GNUNET_free(msg);
+ msg = ps->pending_msgs_head;
}
- GNUNET_free(msg);
- GNUNET_CONTAINER_DLL_remove(ps->pending_msgs_head,ps->pending_msgs_head,msg);
- msg = ps->pending_msgs_head;
- }
-
+
GNUNET_CONTAINER_DLL_remove(pc->head,pc->tail,ps);
GNUNET_free(ps);
ps = NULL;
+
+ /* no sessions left remove peer */
+ if (pc->head==NULL)
+ {
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "No sessions left for peer `%s', removing context\n",
+ GNUNET_i2s(&pc->identity));
+#endif
+ remove_peer_context_Iterator(plugin, &pc->identity.hashPubKey, pc);
+ }
+
return GNUNET_OK;
}
-static struct Session * get_Session (void * cls, struct HTTP_PeerContext *pc, const void * addr, size_t addr_len)
+static int check_localaddress (const struct sockaddr *addr, socklen_t addrlen)
{
- struct Session * cc = pc->head;
- struct Session * con = NULL;
- unsigned int count = 0;
-
- GNUNET_assert((addr_len == sizeof (struct IPv4HttpAddress)) || (addr_len == sizeof (struct IPv6HttpAddress)));
- while (cc!=NULL)
- {
- if (addr_len == cc->addrlen)
+ uint32_t res = 0;
+ int local = GNUNET_NO;
+ int af = addr->sa_family;
+ switch (af)
{
- if (0 == memcmp(cc->addr, addr, addr_len))
+ case AF_INET:
+ {
+ uint32_t netmask = 0x7F000000;
+ uint32_t address = ntohl (((struct sockaddr_in *) addr)->sin_addr.s_addr);
+ res = (address >> 24) ^ (netmask >> 24);
+ if (res != 0)
+ local = GNUNET_NO;
+ else
+ local = GNUNET_YES;
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Checking IPv4 address `%s': %s\n", GNUNET_a2s (addr, addrlen), (local==GNUNET_YES) ? "local" : "global");
+#endif
+ break;
+ }
+ case AF_INET6:
{
- /* connection can not be used, since it is disconnected */
- if ((cc->recv_force_disconnect==GNUNET_NO) && (cc->send_force_disconnect==GNUNET_NO))
- con = cc;
- break;
+ if (IN6_IS_ADDR_LOOPBACK (&((struct sockaddr_in6 *) addr)->sin6_addr) ||
+ IN6_IS_ADDR_LINKLOCAL (&((struct sockaddr_in6 *) addr)->sin6_addr))
+ local = GNUNET_YES;
+ else
+ local = GNUNET_NO;
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Checking IPv6 address `%s' : %s\n", GNUNET_a2s (addr, addrlen), (local==GNUNET_YES) ? "local" : "global");
+#endif
+ break;
}
}
- count++;
- cc=cc->next;
+ return local;
+}
+
+/**
+ * Add the IP of our network interface to the list of
+ * our external IP addresses.
+ *
+ * @param cls the 'struct Plugin*'
+ * @param name name of the interface
+ * @param isDefault do we think this may be our default interface
+ * @param addr address of the interface
+ * @param addrlen number of bytes in addr
+ * @return GNUNET_OK to continue iterating
+ */
+static int
+process_interfaces (void *cls,
+ const char *name,
+ int isDefault,
+ const struct sockaddr *addr, socklen_t addrlen)
+{
+ struct Plugin *plugin = cls;
+ struct IPv4HttpAddress * t4;
+ struct IPv6HttpAddress * t6;
+ int af;
+
+ if (plugin->use_localaddresses == GNUNET_NO)
+ {
+ if (GNUNET_YES == check_localaddress (addr, addrlen))
+ {
+#if DEBUG_HTTP
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
+ PROTOCOL_PREFIX,
+ "Not notifying transport of address `%s' (local address)\n",
+ GNUNET_a2s (addr, addrlen));
+#endif
+ return GNUNET_OK;
+ }
+ }
+
+
+ GNUNET_assert(cls !=NULL);
+ af = addr->sa_family;
+ if ((af == AF_INET) &&
+ (plugin->use_ipv4 == GNUNET_YES) &&
+ (plugin->bind6_address == NULL) ) {
+
+ struct in_addr bnd_cmp = ((struct sockaddr_in *) addr)->sin_addr;
+ t4 = GNUNET_malloc(sizeof(struct IPv4HttpAddress));
+ // Not skipping loopback addresses
+
+
+ t4->ipv4_addr = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
+ t4->u_port = htons (plugin->port_inbound);
+ if (plugin->bind4_address != NULL) {
+ if (0 == memcmp(&plugin->bind4_address->sin_addr, &bnd_cmp, sizeof (struct in_addr)))
+ {
+ GNUNET_CONTAINER_DLL_insert(plugin->ipv4_addr_head,
+ plugin->ipv4_addr_tail,t4);
+ plugin->env->notify_address(plugin->env->cls,
+ GNUNET_YES,
+ t4, sizeof (struct IPv4HttpAddress));
+ return GNUNET_OK;
+ }
+ GNUNET_free (t4);
+ return GNUNET_OK;
+ }
+ else
+ {
+ GNUNET_CONTAINER_DLL_insert (plugin->ipv4_addr_head,
+ plugin->ipv4_addr_tail,
+ t4);
+ plugin->env->notify_address(plugin->env->cls,
+ GNUNET_YES,
+ t4, sizeof (struct IPv4HttpAddress));
+ return GNUNET_OK;
+ }
+ }
+ if ((af == AF_INET6) &&
+ (plugin->use_ipv6 == GNUNET_YES) &&
+ (plugin->bind4_address == NULL) ) {
+
+ struct in6_addr bnd_cmp6 = ((struct sockaddr_in6 *) addr)->sin6_addr;
+
+ t6 = GNUNET_malloc(sizeof(struct IPv6HttpAddress));
+ GNUNET_assert(t6 != NULL);
+
+ if (plugin->bind6_address != NULL) {
+ if (0 == memcmp(&plugin->bind6_address->sin6_addr,
+ &bnd_cmp6,
+ sizeof (struct in6_addr))) {
+ memcpy (&t6->ipv6_addr,
+ &((struct sockaddr_in6 *) addr)->sin6_addr,
+ sizeof (struct in6_addr));
+ t6->u6_port = htons (plugin->port_inbound);
+ plugin->env->notify_address(plugin->env->cls,
+ GNUNET_YES,
+ t6, sizeof (struct IPv6HttpAddress));
+ GNUNET_CONTAINER_DLL_insert(plugin->ipv6_addr_head,
+ plugin->ipv6_addr_tail,
+ t6);
+ return GNUNET_OK;
+ }
+ GNUNET_free (t6);
+ return GNUNET_OK;
+ }
+ memcpy (&t6->ipv6_addr,
+ &((struct sockaddr_in6 *) addr)->sin6_addr,
+ sizeof (struct in6_addr));
+ t6->u6_port = htons (plugin->port_inbound);
+ GNUNET_CONTAINER_DLL_insert(plugin->ipv6_addr_head,plugin->ipv6_addr_tail,t6);
+
+ plugin->env->notify_address(plugin->env->cls,
+ GNUNET_YES,
+ t6, sizeof (struct IPv6HttpAddress));
}
- return con;
+ return GNUNET_OK;
}
/**
- * Callback called by MHD when a connection is terminated
+ * External logging function for MHD
+ * @param arg arguments
+ * @param fmt format string
+ * @param ap list of arguments
*/
-static void mhd_termination_cb (void *cls, struct MHD_Connection * connection, void **httpSessionCache)
+static void
+mhd_logger (void * arg,
+ const char * fmt,
+ va_list ap)
+{
+ char text[1024];
+
+ vsnprintf(text, sizeof(text), fmt, ap);
+ va_end(ap);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "MHD: %s\n",
+ text);
+}
+
+
+static void
+mhd_termination_cb (void *cls,
+ struct MHD_Connection * connection,
+ void **httpSessionCache)
{
struct Session * ps = *httpSessionCache;
if (ps == NULL)
return;
struct HTTP_PeerContext * pc = ps->peercontext;
+ struct Plugin *plugin = cls;
+
+ GNUNET_assert (cls != NULL);
+ plugin->current_connections--;
if (connection==ps->recv_endpoint)
- {
+ {
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound connection from peer `%s' was terminated\n", ps, GNUNET_i2s(&pc->identity));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: inbound connection from peer `%s' was terminated\n",
+ ps,
+ GNUNET_i2s(&pc->identity));
#endif
- ps->recv_active = GNUNET_NO;
- ps->recv_connected = GNUNET_NO;
- ps->recv_endpoint = NULL;
- }
+ ps->recv_active = GNUNET_NO;
+ ps->recv_connected = GNUNET_NO;
+ ps->recv_endpoint = NULL;
+ }
if (connection==ps->send_endpoint)
- {
-
- ps->send_active = GNUNET_NO;
- ps->send_connected = GNUNET_NO;
- ps->send_endpoint = NULL;
+ {
+ ps->send_active = GNUNET_NO;
+ ps->send_connected = GNUNET_NO;
+ ps->send_endpoint = NULL;
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound connection from peer `%s' was terminated\n", ps, GNUNET_i2s(&pc->identity));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: outbound connection from peer `%s' was terminated\n",
+ ps,
+ GNUNET_i2s(&pc->identity));
#endif
- }
+ }
/* if both connections disconnected, remove session */
- if ((ps->send_connected == GNUNET_NO) && (ps->recv_connected == GNUNET_NO))
+ if ( (ps->send_connected == GNUNET_NO) &&
+ (ps->recv_connected == GNUNET_NO) )
{
+ GNUNET_STATISTICS_update (pc->plugin->env->stats,
+ gettext_noop ("# HTTP inbound sessions for peers active"),
+ -1,
+ GNUNET_NO);
remove_session(pc,ps,GNUNET_YES,GNUNET_SYSERR);
}
}
-static void mhd_write_mst_cb (void *cls,
- void *client,
- const struct GNUNET_MessageHeader *message)
-{
- struct Session *ps = cls;
+/**
+ * Callback called by MessageStreamTokenizer when a message has arrived
+ * @param cls current session as closure
+ * @param client clien
+ * @param message the message to be forwarded to transport service
+ */
+static void
+mhd_write_mst_cb (void *cls,
+ void *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct Session *ps = cls;
struct HTTP_PeerContext *pc = ps->peercontext;
+ struct GNUNET_TIME_Relative delay;
+
GNUNET_assert(ps != NULL);
GNUNET_assert(pc != NULL);
-
+#if DEBUG_HTTP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Connection %X: Forwarding message to transport service, type %u and size %u from `%s' (`%s')\n",
ps,
ntohs(message->type),
ntohs(message->size),
- GNUNET_i2s(&(ps->peercontext)->identity),http_plugin_address_to_string(NULL,ps->addr,ps->addrlen));
-
- pc->plugin->env->receive (ps->peercontext->plugin->env->cls,
- &pc->identity,
- message, 1, ps,
- ps->addr,
- ps->addrlen);
-}
-
-static void curl_receive_mst_cb (void *cls,
- void *client,
- const struct GNUNET_MessageHeader *message)
-{
- struct Session *ps = cls;
- struct HTTP_PeerContext *pc = ps->peercontext;
- GNUNET_assert(ps != NULL);
- GNUNET_assert(pc != NULL);
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Forwarding message to transport service, type %u and size %u from `%s' (`%s')\n",
- ntohs(message->type),
- ntohs(message->size),
- GNUNET_i2s(&(pc->identity)),http_plugin_address_to_string(NULL,ps->addr,ps->addrlen));
-
- pc->plugin->env->receive (pc->plugin->env->cls,
- &pc->identity,
- message, 1, ps,
- ps->addr,
- ps->addrlen);
+ GNUNET_i2s(&(ps->peercontext)->identity),
+ http_plugin_address_to_string(NULL,ps->addr,ps->addrlen));
+#endif
+ struct GNUNET_TRANSPORT_ATS_Information distance[2];
+ distance[0].type = htonl (GNUNET_TRANSPORT_ATS_QUALITY_NET_DISTANCE);
+ distance[0].value = htonl (1);
+ distance[1].type = htonl (GNUNET_TRANSPORT_ATS_ARRAY_TERMINATOR);
+ distance[1].value = htonl (0);
+ delay = pc->plugin->env->receive (ps->peercontext->plugin->env->cls,
+ &pc->identity,
+ message,
+ (const struct GNUNET_TRANSPORT_ATS_Information *) &distance,
+ 2,
+ ps,
+ NULL,
+ 0);
+ pc->delay = delay;
+ if (pc->reset_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel (pc->reset_task);
+
+ if (delay.rel_value > 0)
+ {
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: Inbound quota management: delay next read for %llu ms \n",
+ ps,
+ delay.rel_value);
+#endif
+ pc->reset_task = GNUNET_SCHEDULER_add_delayed (delay, &reset_inbound_quota_delay, pc);
+ }
}
/**
- * Check if ip is allowed to connect.
+ * Check if incoming connection is accepted.
+ * NOTE: Here every connection is accepted
+ * @param cls plugin as closure
+ * @param addr address of incoming connection
+ * @param addr_len address length of incoming connection
+ * @return MHD_YES if connection is accepted, MHD_NO if connection is rejected
+ *
*/
static int
mhd_accept_cb (void *cls,
- const struct sockaddr *addr, socklen_t addr_len)
+ const struct sockaddr *addr,
+ socklen_t addr_len)
{
-#if 0
struct Plugin *plugin = cls;
-#endif
- /* Every connection is accepted, nothing more to do here */
- return MHD_YES;
+ GNUNET_assert (cls != NULL);
+
+ if (plugin->max_connect_per_transport > plugin->current_connections)
+ {
+ plugin->current_connections ++;
+ return MHD_YES;
+ }
+ else return MHD_NO;
}
-int mhd_send_callback (void *cls, uint64_t pos, char *buf, int max)
-{
- int bytes_read = 0;
+/**
+ * Callback called by MHD when it needs data to send
+ * @param cls current session
+ * @param pos position in buffer
+ * @param buf the buffer to write data to
+ * @param max max number of bytes available in buffer
+ * @return bytes written to buffer
+ */
+static ssize_t
+mhd_send_callback (void *cls, uint64_t pos, char *buf, size_t max)
+{
struct Session * ps = cls;
struct HTTP_PeerContext * pc;
struct HTTP_Message * msg;
- int res;res=5;
+ int bytes_read = 0;
GNUNET_assert (ps!=NULL);
+
pc = ps->peercontext;
msg = ps->pending_msgs_tail;
if (ps->send_force_disconnect==GNUNET_YES)
- {
+ {
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound forced to disconnect\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: outbound forced to disconnect\n",
+ ps);
#endif
- return -1;
- }
-
- if (msg!=NULL)
- {
- if ((msg->size-msg->pos) <= max)
- {
- memcpy(buf,&msg->buf[msg->pos],(msg->size-msg->pos));
- bytes_read = msg->size-msg->pos;
- msg->pos+=(msg->size-msg->pos);
+ return -1;
}
- else
- {
- memcpy(buf,&msg->buf[msg->pos],max);
- msg->pos+=max;
- bytes_read = max;
- }
-
- if (msg->pos==msg->size)
+
+ if (msg!=NULL)
{
- if (NULL!=msg->transmit_cont)
- msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
- res = remove_http_message(ps,msg);
+ /* sending */
+ if ((msg->size-msg->pos) <= max)
+ {
+ memcpy(buf,&msg->buf[msg->pos],(msg->size-msg->pos));
+ bytes_read = msg->size-msg->pos;
+ msg->pos+=(msg->size-msg->pos);
+ }
+ else
+ {
+ memcpy(buf,&msg->buf[msg->pos],max);
+ msg->pos+=max;
+ bytes_read = max;
+ }
+
+ /* removing message */
+ if (msg->pos==msg->size)
+ {
+ if (NULL!=msg->transmit_cont)
+ msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
+ ps->queue_length_cur -= msg->size;
+ remove_http_message(ps,msg);
+ }
}
- }
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: MHD has sent %u bytes\n",
+ ps,
+ bytes_read);
+#endif
return bytes_read;
}
+
/**
* Process GET or PUT request received via MHD. For
* GET, queue response that will send back our pending
* already exists and create a new one if not.
*/
static int
-mdh_access_cb (void *cls,
- struct MHD_Connection *mhd_connection,
- const char *url,
- const char *method,
- const char *version,
- const char *upload_data,
- size_t * upload_data_size, void **httpSessionCache)
+mhd_access_cb (void *cls,
+ struct MHD_Connection *mhd_connection,
+ const char *url,
+ const char *method,
+ const char *version,
+ const char *upload_data,
+ size_t * upload_data_size,
+ void **httpSessionCache)
{
struct Plugin *plugin = cls;
struct MHD_Response *response;
const union MHD_ConnectionInfo * conn_info;
-
- struct sockaddr_in *addrin;
- struct sockaddr_in6 *addrin6;
-
+ const struct sockaddr *client_addr;
+ const struct sockaddr_in *addrin;
+ const struct sockaddr_in6 *addrin6;
char address[INET6_ADDRSTRLEN+14];
struct GNUNET_PeerIdentity pi_in;
size_t id_num = 0;
-
struct IPv4HttpAddress ipv4addr;
struct IPv6HttpAddress ipv6addr;
-
- struct HTTP_PeerContext *pc;
- struct Session *ps;
- struct Session *ps_tmp;
-
+ struct HTTP_PeerContext *pc = NULL;
+ struct Session *ps = NULL;
+ struct Session *ps_tmp = NULL;
int res = GNUNET_NO;
- int send_error_to_client;
- void * addr;
- size_t addr_len;
+ void * addr = NULL;
+ size_t addr_len = 0 ;
GNUNET_assert(cls !=NULL);
- send_error_to_client = GNUNET_NO;
if (NULL == *httpSessionCache)
- {
- /* check url for peer identity , if invalid send HTTP 404*/
- size_t len = strlen(&url[1]);
- char * peer = GNUNET_malloc(104+1);
-
- if ((len>104) && (url[104]==';'))
{
- char * id = GNUNET_malloc((len-104)+1);
- strcpy(id,&url[105]);
- memcpy(peer,&url[1],103);
- peer[103] = '\0';
+ /* check url for peer identity , if invalid send HTTP 404*/
+ size_t len = strlen(&url[1]);
+ char * peer = GNUNET_malloc(104+1);
+
+ if ( (len>104) && (url[104]==';'))
+ {
+ char * id = GNUNET_malloc((len-104)+1);
+ strcpy(id,&url[105]);
+ memcpy(peer,&url[1],103);
+ peer[103] = '\0';
id_num = strtoul ( id, NULL , 10);
GNUNET_free(id);
}
res = GNUNET_CRYPTO_hash_from_string (peer, &(pi_in.hashPubKey));
GNUNET_free(peer);
if ( GNUNET_SYSERR == res )
- {
- response = MHD_create_response_from_data (strlen (HTTP_ERROR_RESPONSE),HTTP_ERROR_RESPONSE, MHD_NO, MHD_NO);
- res = MHD_queue_response (mhd_connection, MHD_HTTP_NOT_FOUND, response);
- MHD_destroy_response (response);
+ {
+ response = MHD_create_response_from_data (strlen (HTTP_ERROR_RESPONSE),
+ HTTP_ERROR_RESPONSE,
+ MHD_NO, MHD_NO);
+ res = MHD_queue_response (mhd_connection, MHD_HTTP_NOT_FOUND, response);
+ MHD_destroy_response (response);
+#if DEBUG_CONNECTIONS
if (res == MHD_YES)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Peer has no valid ident, sent HTTP 1.1/404\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer has no valid ident, sent HTTP 1.1/404\n");
else
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Peer has no valid ident, could not send error\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer has no valid ident, could not send error\n");
+#endif
return res;
+ }
}
- }
else
- {
- ps = *httpSessionCache;
- pc = ps->peercontext;
- }
-
- if (NULL == *httpSessionCache)
- {
- /* get peer context */
- pc = GNUNET_CONTAINER_multihashmap_get (plugin->peers, &pi_in.hashPubKey);
- /* Peer unknown */
- if (pc==NULL)
{
- pc = GNUNET_malloc(sizeof (struct HTTP_PeerContext));
- pc->plugin = plugin;
- pc->session_id_counter=1;
- memcpy(&pc->identity, &pi_in, sizeof(struct GNUNET_PeerIdentity));
- GNUNET_CONTAINER_multihashmap_put(plugin->peers, &pc->identity.hashPubKey, pc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
- }
-
- conn_info = MHD_get_connection_info(mhd_connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS );
- /* Incoming IPv4 connection */
- if ( AF_INET == conn_info->client_addr->sin_family)
- {
- addrin = conn_info->client_addr;
- inet_ntop(addrin->sin_family, &(addrin->sin_addr),address,INET_ADDRSTRLEN);
- memcpy(&ipv4addr.ipv4_addr,&(addrin->sin_addr),sizeof(struct in_addr));
- ipv4addr.u_port = addrin->sin_port;
- addr = &ipv4addr;
- addr_len = sizeof(struct IPv4HttpAddress);
+ ps = *httpSessionCache;
+ pc = ps->peercontext;
}
- /* Incoming IPv6 connection */
- if ( AF_INET6 == conn_info->client_addr->sin_family)
+
+ if (NULL == *httpSessionCache)
{
- addrin6 = (struct sockaddr_in6 *) conn_info->client_addr;
- inet_ntop(addrin6->sin6_family, &(addrin6->sin6_addr),address,INET6_ADDRSTRLEN);
- memcpy(&ipv6addr.ipv6_addr,&(addrin6->sin6_addr),sizeof(struct in6_addr));
- ipv6addr.u6_port = addrin6->sin6_port;
- addr = &ipv6addr;
- addr_len = sizeof(struct IPv6HttpAddress);
+ /* get peer context */
+ pc = GNUNET_CONTAINER_multihashmap_get (plugin->peers, &pi_in.hashPubKey);
+ /* Peer unknown */
+ if (pc==NULL)
+ {
+ pc = GNUNET_malloc(sizeof (struct HTTP_PeerContext));
+ pc->plugin = plugin;
+ pc->session_id_counter=1;
+ pc->last_session = NULL;
+ memcpy(&pc->identity, &pi_in, sizeof(struct GNUNET_PeerIdentity));
+ GNUNET_CONTAINER_multihashmap_put(plugin->peers,
+ &pc->identity.hashPubKey,
+ pc,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
+ GNUNET_STATISTICS_update (plugin->env->stats,
+ gettext_noop ("# HTTP peers active"),
+ 1,
+ GNUNET_NO);
+ }
+
+ conn_info = MHD_get_connection_info(mhd_connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS );
+ /* Incoming IPv4 connection */
+ /* cast required for legacy MHD API < 0.9.6 */
+ client_addr = (const struct sockaddr *) conn_info->client_addr;
+ if ( AF_INET == client_addr->sa_family)
+ {
+ addrin = (const struct sockaddr_in*) client_addr;
+ inet_ntop(addrin->sin_family, &(addrin->sin_addr),address,INET_ADDRSTRLEN);
+ memcpy(&ipv4addr.ipv4_addr,&(addrin->sin_addr),sizeof(struct in_addr));
+ ipv4addr.u_port = addrin->sin_port;
+ addr = &ipv4addr;
+ addr_len = sizeof(struct IPv4HttpAddress);
+ }
+ /* Incoming IPv6 connection */
+ if ( AF_INET6 == client_addr->sa_family)
+ {
+ addrin6 = (const struct sockaddr_in6 *) client_addr;
+ inet_ntop(addrin6->sin6_family, &(addrin6->sin6_addr),address,INET6_ADDRSTRLEN);
+ memcpy(&ipv6addr.ipv6_addr,&(addrin6->sin6_addr),sizeof(struct in6_addr));
+ ipv6addr.u6_port = addrin6->sin6_port;
+ addr = &ipv6addr;
+ addr_len = sizeof(struct IPv6HttpAddress);
+ }
+
+ GNUNET_assert (addr != NULL);
+ GNUNET_assert (addr_len != 0);
+
+ ps = NULL;
+ /* only inbound sessions here */
+
+ ps_tmp = pc->head;
+ while (ps_tmp!=NULL)
+ {
+ if ((ps_tmp->direction==INBOUND) && (ps_tmp->session_id == id_num) && (id_num!=0))
+ {
+ if ((ps_tmp->recv_force_disconnect!=GNUNET_YES) && (ps_tmp->send_force_disconnect!=GNUNET_YES))
+ ps=ps_tmp;
+ break;
+ }
+ ps_tmp=ps_tmp->next;
+ }
+
+ if (ps==NULL)
+ {
+ ps = GNUNET_malloc(sizeof (struct Session));
+ ps->addr = GNUNET_malloc(addr_len);
+ memcpy(ps->addr,addr,addr_len);
+ ps->addrlen = addr_len;
+ ps->direction=INBOUND;
+ ps->pending_msgs_head = NULL;
+ ps->pending_msgs_tail = NULL;
+ ps->send_connected=GNUNET_NO;
+ ps->send_active=GNUNET_NO;
+ ps->recv_connected=GNUNET_NO;
+ ps->recv_active=GNUNET_NO;
+ ps->peercontext=pc;
+ ps->session_id =id_num;
+ ps->queue_length_cur = 0;
+ ps->queue_length_max = GNUNET_SERVER_MAX_MESSAGE_SIZE;
+ ps->url = create_url (plugin, ps->addr, ps->addrlen, ps->session_id);
+ GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
+ GNUNET_STATISTICS_update (plugin->env->stats,
+ gettext_noop ("# HTTP inbound sessions for peers active"),
+ 1,
+ GNUNET_NO);
+ }
+
+ *httpSessionCache = ps;
+ if (ps->msgtok==NULL)
+ ps->msgtok = GNUNET_SERVER_mst_create (&mhd_write_mst_cb, ps);
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: HTTP Daemon has new an incoming `%s' request from peer `%s' (`%s')\n",
+ ps,
+ method,
+ GNUNET_i2s(&pc->identity),
+ http_plugin_address_to_string(NULL, ps->addr, ps->addrlen));
+#endif
}
-
-
- //ps = get_Session(plugin, pc, addr, addr_len);
- ps = NULL;
- /* only inbound sessions here */
-
- ps_tmp = pc->head;
- while (ps_tmp!=NULL)
- {
- if ((ps_tmp->direction==INBOUND) && (ps_tmp->session_id == id_num) && (id_num!=0))
- {
- if ((ps_tmp->recv_force_disconnect!=GNUNET_YES) && (ps_tmp->send_force_disconnect!=GNUNET_YES))
- ps=ps_tmp;
- break;
- }
- ps_tmp=ps_tmp->next;
- }
-
- if (ps==NULL)
- {
- ps = GNUNET_malloc(sizeof (struct Session));
- ps->addr = GNUNET_malloc(addr_len);
- memcpy(ps->addr,addr,addr_len);
- ps->addrlen = addr_len;
- ps->direction=INBOUND;
- ps->pending_msgs_head = NULL;
- ps->pending_msgs_tail = NULL;
- ps->send_connected=GNUNET_NO;
- ps->send_active=GNUNET_NO;
- ps->recv_connected=GNUNET_NO;
- ps->recv_active=GNUNET_NO;
- ps->peercontext=pc;
- ps->session_id =id_num;
- ps->url = create_url (plugin, ps->addr, ps->addrlen, ps->session_id);
- GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
- }
-
- *httpSessionCache = ps;
- if (ps->msgtok==NULL)
- ps->msgtok = GNUNET_SERVER_mst_create (&mhd_write_mst_cb, ps);
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: HTTP Daemon has new an incoming `%s' request from peer `%s' (`%s')\n",
- ps,
- method,
- GNUNET_i2s(&pc->identity),
- http_plugin_address_to_string(NULL, ps->addr, ps->addrlen));
- }
-
+
/* Is it a PUT or a GET request */
if (0 == strcmp (MHD_HTTP_METHOD_PUT, method))
- {
- if (ps->recv_force_disconnect)
{
+ if (ps->recv_force_disconnect == GNUNET_YES)
+ {
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound connection was forced to disconnect\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: inbound connection was forced to disconnect\n",ps);
#endif
- ps->recv_active = GNUNET_NO;
- return MHD_NO;
- }
- if ((*upload_data_size == 0) && (ps->recv_active==GNUNET_NO))
- {
- ps->recv_endpoint = mhd_connection;
- ps->recv_connected = GNUNET_YES;
- ps->recv_active = GNUNET_YES;
+ ps->recv_active = GNUNET_NO;
+ return MHD_NO;
+ }
+ if ((*upload_data_size == 0) && (ps->recv_active==GNUNET_NO))
+ {
+ ps->recv_endpoint = mhd_connection;
+ ps->recv_connected = GNUNET_YES;
+ ps->recv_active = GNUNET_YES;
+ ps->recv_force_disconnect = GNUNET_NO;
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound PUT connection connected\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: inbound PUT connection connected\n",ps);
#endif
- return MHD_YES;
- }
-
- /* Transmission of all data complete */
- if ((*upload_data_size == 0) && (ps->recv_active == GNUNET_YES))
- {
- response = MHD_create_response_from_data (strlen (HTTP_PUT_RESPONSE),HTTP_PUT_RESPONSE, MHD_NO, MHD_NO);
- res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
+ return MHD_YES;
+ }
+
+ /* Transmission of all data complete */
+ if ((*upload_data_size == 0) && (ps->recv_active == GNUNET_YES))
+ {
+ response = MHD_create_response_from_data (strlen (HTTP_PUT_RESPONSE),
+ HTTP_PUT_RESPONSE,
+ MHD_NO, MHD_NO);
+ res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: Sent HTTP/1.1: 200 OK as PUT Response\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: Sent HTTP/1.1: 200 OK as PUT Response\n",
+ ps);
#endif
- MHD_destroy_response (response);
- ps->recv_active=GNUNET_NO;
- return MHD_YES;
- }
-
- /* Recieving data */
- if ((*upload_data_size > 0) && (ps->recv_active == GNUNET_YES))
- {
- res = GNUNET_SERVER_mst_receive(ps->msgtok, ps, upload_data,*upload_data_size, GNUNET_NO, GNUNET_NO);
- (*upload_data_size) = 0;
- return MHD_YES;
+ MHD_destroy_response (response);
+ ps->recv_active=GNUNET_NO;
+ return MHD_YES;
+ }
+
+ /* Recieving data */
+ if ((*upload_data_size > 0) && (ps->recv_active == GNUNET_YES))
+ {
+ if (pc->delay.rel_value == 0)
+ {
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: PUT with %u bytes forwarded to MST\n",
+ ps, *upload_data_size);
+#endif
+ res = GNUNET_SERVER_mst_receive(ps->msgtok, ps,
+ upload_data, *upload_data_size,
+ GNUNET_NO, GNUNET_NO);
+ (*upload_data_size) = 0;
+ }
+ else
+ {
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: no inbound bandwidth available! Next read was delayed for %llu ms\n",
+ ps,
+ ps->peercontext->delay.rel_value);
+#endif
+ }
+ return MHD_YES;
+ }
+ else
+ return MHD_NO;
}
- else
- return MHD_NO;
- }
if ( 0 == strcmp (MHD_HTTP_METHOD_GET, method) )
- {
- if (ps->send_force_disconnect)
{
+ if (ps->send_force_disconnect == GNUNET_YES)
+ {
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound connection was forced to disconnect\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: outbound connection was forced to disconnect\n",
+ ps);
#endif
- ps->send_active = GNUNET_NO;
- return MHD_NO;
- }
- ps->send_connected = GNUNET_YES;
- ps->send_active = GNUNET_YES;
- ps->send_endpoint = mhd_connection;
+ ps->send_active = GNUNET_NO;
+ return MHD_NO;
+ }
+ ps->send_connected = GNUNET_YES;
+ ps->send_active = GNUNET_YES;
+ ps->send_endpoint = mhd_connection;
+ ps->send_force_disconnect = GNUNET_NO;
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound GET connection connected\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: inbound GET connection connected\n",
+ ps);
#endif
- response = MHD_create_response_from_callback(-1,32 * 1024, &mhd_send_callback, ps, NULL);
- res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
- MHD_destroy_response (response);
- return MHD_YES;
- }
+ response = MHD_create_response_from_callback(-1,32 * 1024, &mhd_send_callback, ps, NULL);
+ res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
+ MHD_destroy_response (response);
+ return MHD_YES;
+ }
return MHD_NO;
}
-/**
- * Call MHD to process pending ipv4 requests and then go back
- * and schedule the next run.
- */
-static void http_server_daemon_v4_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
-/**
- * Call MHD to process pending ipv6 requests and then go back
- * and schedule the next run.
- */
-static void http_server_daemon_v6_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
-
/**
* Function that queries MHD's select sets and
* starts the task waiting for them.
+ * @param plugin plugin
+ * @param daemon_handle the MHD daemon handle
+ * @return gnunet task identifier
*/
static GNUNET_SCHEDULER_TaskIdentifier
-http_server_daemon_prepare (void * cls, struct MHD_Daemon *daemon_handle)
+http_server_daemon_prepare (struct Plugin *plugin,
+ struct MHD_Daemon *daemon_handle)
{
- struct Plugin *plugin = cls;
GNUNET_SCHEDULER_TaskIdentifier ret;
fd_set rs;
fd_set ws;
int haveto;
struct GNUNET_TIME_Relative tv;
- GNUNET_assert(cls !=NULL);
ret = GNUNET_SCHEDULER_NO_TASK;
FD_ZERO(&rs);
FD_ZERO(&ws);
&max));
haveto = MHD_get_timeout (daemon_handle, &timeout);
if (haveto == MHD_YES)
- tv.value = (uint64_t) timeout;
+ tv.rel_value = (uint64_t) timeout;
else
- tv = GNUNET_TIME_UNIT_FOREVER_REL;
- GNUNET_NETWORK_fdset_copy_native (wrs, &rs, max);
- GNUNET_NETWORK_fdset_copy_native (wws, &ws, max);
- GNUNET_NETWORK_fdset_copy_native (wes, &es, max);
+ tv = GNUNET_TIME_UNIT_SECONDS;
+ GNUNET_NETWORK_fdset_copy_native (wrs, &rs, max + 1);
+ GNUNET_NETWORK_fdset_copy_native (wws, &ws, max + 1);
+ GNUNET_NETWORK_fdset_copy_native (wes, &es, max + 1);
if (daemon_handle == plugin->http_server_daemon_v4)
- {
- ret = GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK,
- tv,
- wrs,
- wws,
- &http_server_daemon_v4_run,
- plugin);
- }
+ {
+ if (plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel(plugin->http_server_task_v4);
+ plugin->http_server_daemon_v4 = GNUNET_SCHEDULER_NO_TASK;
+ }
+
+ ret = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_NO_TASK,
+ tv,
+ wrs,
+ wws,
+ &http_server_daemon_v4_run,
+ plugin);
+ }
if (daemon_handle == plugin->http_server_daemon_v6)
- {
- ret = GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK,
- tv,
- wrs,
- wws,
- &http_server_daemon_v6_run,
- plugin);
- }
+ {
+ if (plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel(plugin->http_server_task_v6);
+ plugin->http_server_task_v6 = GNUNET_SCHEDULER_NO_TASK;
+ }
+
+ ret = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_NO_TASK,
+ tv,
+ wrs,
+ wws,
+ &http_server_daemon_v6_run,
+ plugin);
+ }
GNUNET_NETWORK_fdset_destroy (wrs);
GNUNET_NETWORK_fdset_destroy (wws);
GNUNET_NETWORK_fdset_destroy (wes);
return ret;
}
+
/**
- * Call MHD to process pending requests and then go back
+ * Call MHD IPv4 to process pending requests and then go back
* and schedule the next run.
+ * @param cls plugin as closure
+ * @param tc task context
*/
-static void http_server_daemon_v4_run (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+static void
+http_server_daemon_v4_run (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Plugin *plugin = cls;
+#if DEBUG_SCHEDULING
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_READ_READY))
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "http_server_daemon_v4_run: GNUNET_SCHEDULER_REASON_READ_READY\n");
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_WRITE_READY))
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "http_server_daemon_v4_run: GNUNET_SCHEDULER_REASON_WRITE_READY\n");
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_TIMEOUT))
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "http_server_daemon_v4_run: GNUNET_SCHEDULER_REASON_TIMEOUT\n");
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_STARTUP))
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "http_server_daemon_v4_run: GGNUNET_SCHEDULER_REASON_STARTUP\n");
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "http_server_daemon_v4_run: GGNUNET_SCHEDULER_REASON_SHUTDOWN\n");
+#endif
+
GNUNET_assert(cls !=NULL);
- if (plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK)
- plugin->http_server_task_v4 = GNUNET_SCHEDULER_NO_TASK;
+ plugin->http_server_task_v4 = GNUNET_SCHEDULER_NO_TASK;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
GNUNET_assert (MHD_YES == MHD_run (plugin->http_server_daemon_v4));
plugin->http_server_task_v4 = http_server_daemon_prepare (plugin, plugin->http_server_daemon_v4);
- return;
-}
+ }
/**
- * Call MHD to process pending requests and then go back
+ * Call MHD IPv6 to process pending requests and then go back
* and schedule the next run.
+ * @param cls plugin as closure
+ * @param tc task context
*/
-static void http_server_daemon_v6_run (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+static void
+http_server_daemon_v6_run (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Plugin *plugin = cls;
+
+#if DEBUG_SCHEDULING
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_READ_READY))
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "http_server_daemon_v6_run: GNUNET_SCHEDULER_REASON_READ_READY\n");
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_WRITE_READY))
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "http_server_daemon_v6_run: GNUNET_SCHEDULER_REASON_WRITE_READY\n");
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_TIMEOUT))
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "http_server_daemon_v6_run: GNUNET_SCHEDULER_REASON_TIMEOUT\n");
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_STARTUP))
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "http_server_daemon_v6_run: GGNUNET_SCHEDULER_REASON_STARTUP\n");
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "http_server_daemon_v6_run: GGNUNET_SCHEDULER_REASON_SHUTDOWN\n");
+#endif
GNUNET_assert(cls !=NULL);
- if (plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK)
- plugin->http_server_task_v6 = GNUNET_SCHEDULER_NO_TASK;
+ plugin->http_server_task_v6 = GNUNET_SCHEDULER_NO_TASK;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
GNUNET_assert (MHD_YES == MHD_run (plugin->http_server_daemon_v6));
plugin->http_server_task_v6 = http_server_daemon_prepare (plugin, plugin->http_server_daemon_v6);
- return;
}
-/**
- * Function setting up curl handle and selecting message to send
- * @param cls plugin
- * @param ses session to send data to
- * @param con connection
- * @return bytes sent to peer
- */
-static ssize_t send_check_connections (void *cls, struct Session *ps);
-static size_t curl_get_header_function( void *ptr, size_t size, size_t nmemb, void *stream)
+static size_t
+curl_get_header_cb( void *ptr,
+ size_t size, size_t nmemb,
+ void *stream)
{
struct Session * ps = stream;
- char * tmp;
- size_t len = size * nmemb;
long http_result = 0;
int res;
/* Getting last http result code */
+ GNUNET_assert(NULL!=ps);
if (ps->recv_connected==GNUNET_NO)
- {
- GNUNET_assert(NULL!=ps);
- res = curl_easy_getinfo(ps->recv_endpoint, CURLINFO_RESPONSE_CODE, &http_result);
- if (CURLE_OK == res)
{
- if (http_result == 200)
- {
- ps->recv_connected = GNUNET_YES;
- ps->recv_active = GNUNET_YES;
+ res = curl_easy_getinfo(ps->recv_endpoint, CURLINFO_RESPONSE_CODE, &http_result);
+ if (CURLE_OK == res)
+ {
+ if (http_result == 200)
+ {
+ ps->recv_connected = GNUNET_YES;
+ ps->recv_active = GNUNET_YES;
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: connected to recieve data\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: connected to recieve data\n",ps);
#endif
- // Calling send_check_connections again since receive is established
- send_check_connections (ps->peercontext->plugin, ps);
- }
+ // Calling send_check_connections again since receive is established
+ send_check_connections (ps->peercontext->plugin, ps);
+ }
+ }
}
- }
-
+
+#if DEBUG_CURL
+ char * tmp;
+ size_t len = size * nmemb;
tmp = NULL;
if ((size * nmemb) < SIZE_MAX)
tmp = GNUNET_malloc (len+1);
if ((tmp != NULL) && (len > 0))
- {
- memcpy(tmp,ptr,len);
- if (len>=2)
{
- if (tmp[len-2] == 13)
- tmp[len-2]= '\0';
+ memcpy(tmp,ptr,len);
+ if (len>=2)
+ {
+ if (tmp[len-2] == 13)
+ tmp[len-2]= '\0';
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: Header: %s\n",
+ ps, tmp);
}
-#if DEBUG_HTTP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Header: `%s' %u \n",tmp, http_result);
+ GNUNET_free_non_null (tmp);
#endif
- }
- if (NULL != tmp)
- GNUNET_free (tmp);
-
+
return size * nmemb;
}
-static size_t curl_put_header_function( void *ptr, size_t size, size_t nmemb, void *stream)
+
+/**
+ * Callback called by libcurl when new headers arrive
+ * Used to get HTTP result for curl operations
+ * @param ptr stream to read from
+ * @param size size of one char element
+ * @param nmemb number of char elements
+ * @param stream closure set by user
+ * @return bytes read by function
+ */
+static size_t
+curl_put_header_cb(void *ptr,
+ size_t size,
+ size_t nmemb,
+ void *stream)
{
struct Session * ps = stream;
/* Getting last http result code */
GNUNET_assert(NULL!=ps);
- res = curl_easy_getinfo(ps->send_endpoint, CURLINFO_RESPONSE_CODE, &http_result);
+ res = curl_easy_getinfo (ps->send_endpoint, CURLINFO_RESPONSE_CODE, &http_result);
if (CURLE_OK == res)
- {
- if ((http_result == 100) && (ps->send_connected==GNUNET_NO))
{
- ps->send_connected = GNUNET_YES;
- ps->send_active = GNUNET_YES;
+ if ((http_result == 100) && (ps->send_connected==GNUNET_NO))
+ {
+ ps->send_connected = GNUNET_YES;
+ ps->send_active = GNUNET_YES;
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: connected to send data\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: connected to send data\n",
+ ps);
#endif
- }
- if ((http_result == 200) && (ps->send_connected==GNUNET_YES))
- {
- ps->send_connected = GNUNET_NO;
- ps->send_active = GNUNET_NO;
+ }
+ if ((http_result == 200) && (ps->send_connected==GNUNET_YES))
+ {
+ ps->send_connected = GNUNET_NO;
+ ps->send_active = GNUNET_NO;
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: sending disconnected\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: sending disconnected\n",
+ ps);
#endif
+ }
}
- }
-
+
tmp = NULL;
if ((size * nmemb) < SIZE_MAX)
tmp = GNUNET_malloc (len+1);
-
+
if ((tmp != NULL) && (len > 0))
- {
- memcpy(tmp,ptr,len);
- if (len>=2)
{
- if (tmp[len-2] == 13)
- tmp[len-2]= '\0';
+ memcpy(tmp,ptr,len);
+ if (len>=2)
+ {
+ if (tmp[len-2] == 13)
+ tmp[len-2]= '\0';
+ }
}
-#if DEBUG_HTTP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Header: `%s' %u \n",tmp, http_result);
-#endif
- }
- if (NULL != tmp)
- GNUNET_free (tmp);
-
+ GNUNET_free_non_null (tmp);
return size * nmemb;
}
* @param ptr source pointer, passed to the libcurl handle
* @return bytes written to stream
*/
-static size_t curl_send_cb(void *stream, size_t size, size_t nmemb, void *ptr)
+static size_t
+curl_send_cb(void *stream,
+ size_t size, size_t nmemb,
+ void *ptr)
{
struct Session * ps = ptr;
struct HTTP_Message * msg = ps->pending_msgs_tail;
size_t len;
if (ps->send_active == GNUNET_NO)
- return CURL_READFUNC_PAUSE;
-
-
- if ((ps->pending_msgs_tail == NULL) && (ps->send_active == GNUNET_YES))
- {
+ return CURL_READFUNC_PAUSE;
+ if ( (ps->pending_msgs_tail == NULL) &&
+ (ps->send_active == GNUNET_YES) )
+ {
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: No Message to send, pausing connection\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: No Message to send, pausing connection\n",
+ ps);
#endif
- ps->send_active = GNUNET_NO;
+ ps->send_active = GNUNET_NO;
return CURL_READFUNC_PAUSE;
- }
-
- msg = ps->pending_msgs_tail;
+ }
+
+ GNUNET_assert (msg!=NULL);
+
/* data to send */
if (msg->pos < msg->size)
- {
- /* data fit in buffer */
- if ((msg->size - msg->pos) <= (size * nmemb))
- {
- len = (msg->size - msg->pos);
- memcpy(stream, &msg->buf[msg->pos], len);
- msg->pos += len;
- bytes_sent = len;
- }
- else
{
- len = size*nmemb;
- memcpy(stream, &msg->buf[msg->pos], len);
- msg->pos += len;
- bytes_sent = len;
+ /* data fit in buffer */
+ if ((msg->size - msg->pos) <= (size * nmemb))
+ {
+ len = (msg->size - msg->pos);
+ memcpy(stream, &msg->buf[msg->pos], len);
+ msg->pos += len;
+ bytes_sent = len;
+ }
+ else
+ {
+ len = size*nmemb;
+ memcpy(stream, &msg->buf[msg->pos], len);
+ msg->pos += len;
+ bytes_sent = len;
+ }
}
- }
/* no data to send */
else
- {
- bytes_sent = 0;
- }
-
+ {
+ bytes_sent = 0;
+ }
+
if ( msg->pos == msg->size)
- {
+ {
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: Message with %u bytes sent, removing message from queue \n",ps, msg->pos);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: Message with %u bytes sent, removing message from queue\n",
+ ps,
+ msg->pos);
#endif
- /* Calling transmit continuation */
- if (( NULL != ps->pending_msgs_tail) && (NULL != ps->pending_msgs_tail->transmit_cont))
- msg->transmit_cont (ps->pending_msgs_tail->transmit_cont_cls,&(ps->peercontext)->identity,GNUNET_OK);
- remove_http_message(ps, msg);
- }
+ /* Calling transmit continuation */
+ if (NULL != ps->pending_msgs_tail->transmit_cont)
+ msg->transmit_cont (ps->pending_msgs_tail->transmit_cont_cls,
+ &(ps->peercontext)->identity,
+ GNUNET_OK);
+ ps->queue_length_cur -= msg->size;
+ remove_http_message(ps, msg);
+ }
return bytes_sent;
}
+
+static void
+curl_receive_mst_cb (void *cls,
+ void *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct Session *ps = cls;
+ struct GNUNET_TIME_Relative delay;
+ GNUNET_assert(ps != NULL);
+
+ struct HTTP_PeerContext *pc = ps->peercontext;
+ GNUNET_assert(pc != NULL);
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: Forwarding message to transport service, type %u and size %u from `%s' (`%s')\n",
+ ps,
+ ntohs(message->type),
+ ntohs(message->size),
+ GNUNET_i2s(&(pc->identity)),
+ http_plugin_address_to_string(NULL,ps->addr,ps->addrlen));
+#endif
+ struct GNUNET_TRANSPORT_ATS_Information distance[2];
+ distance[0].type = htonl (GNUNET_TRANSPORT_ATS_QUALITY_NET_DISTANCE);
+ distance[0].value = htonl (1);
+ distance[1].type = htonl (GNUNET_TRANSPORT_ATS_ARRAY_TERMINATOR);
+ distance[1].value = htonl (0);
+
+ delay = pc->plugin->env->receive (pc->plugin->env->cls,
+ &pc->identity,
+ message,
+ (const struct GNUNET_TRANSPORT_ATS_Information *) &distance, 2,
+ ps,
+ ps->addr,
+ ps->addrlen);
+ pc->delay = delay;
+ if (pc->reset_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel (pc->reset_task);
+
+ if (delay.rel_value > 0)
+ {
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: Inbound quota management: delay next read for %llu ms\n",
+ ps, delay.rel_value);
+#endif
+ pc->reset_task = GNUNET_SCHEDULER_add_delayed (delay, &reset_inbound_quota_delay, pc);
+ }
+}
+
+
/**
* Callback method used with libcurl
* Method is called when libcurl needs to write data during sending
* @param ptr destination pointer, passed to the libcurl handle
* @return bytes read from stream
*/
-static size_t curl_receive_cb( void *stream, size_t size, size_t nmemb, void *ptr)
+static size_t
+curl_receive_cb( void *stream, size_t size, size_t nmemb, void *ptr)
{
struct Session * ps = ptr;
+
+ if (ps->peercontext->delay.rel_value > 0)
+ {
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: no inbound bandwidth available! Next read was delayed for %llu ms\n",
+ ps, ps->peercontext->delay.rel_value);
+#endif
+ return 0;
+ }
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: %u bytes received\n",ps, size*nmemb);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: %u bytes received\n",
+ ps, size*nmemb);
#endif
- GNUNET_SERVER_mst_receive(ps->msgtok, ps, stream, size*nmemb, GNUNET_NO, GNUNET_NO);
+ GNUNET_SERVER_mst_receive(ps->msgtok, ps,
+ stream, size*nmemb,
+ GNUNET_NO, GNUNET_NO);
return (size * nmemb);
-
}
-/**
- * Function setting up file descriptors and scheduling task to run
- * @param cls closure
- * @param ses session to send data to
- * @param
- */
-static int curl_schedule(void *cls, struct Session* ses );
+static void
+curl_handle_finished (struct Plugin *plugin)
+{
+ struct Session *ps = NULL;
+ struct HTTP_PeerContext *pc = NULL;
+ struct CURLMsg *msg;
+ struct HTTP_Message * cur_msg = NULL;
+ int msgs_in_queue;
+ char * tmp;
+ long http_result;
+
+ do
+ {
+ msg = curl_multi_info_read (plugin->multi_handle, &msgs_in_queue);
+ if ((msgs_in_queue == 0) || (msg == NULL))
+ break;
+ /* get session for affected curl handle */
+ GNUNET_assert ( msg->easy_handle != NULL );
+ curl_easy_getinfo(msg->easy_handle, CURLINFO_PRIVATE, &tmp);
+ ps = (struct Session *) tmp;
+ GNUNET_assert ( ps != NULL );
+ pc = ps->peercontext;
+ GNUNET_assert ( pc != NULL );
+ switch (msg->msg)
+ {
+ case CURLMSG_DONE:
+ if ( (msg->data.result != CURLE_OK) &&
+ (msg->data.result != CURLE_GOT_NOTHING) )
+ {
+ /* sending msg failed*/
+ if (msg->easy_handle == ps->send_endpoint)
+ {
+#if DEBUG_CONNECTIONS
+ GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+ _("Connection %X: HTTP PUT to peer `%s' (`%s') failed: `%s' `%s'\n"),
+ ps,
+ GNUNET_i2s(&pc->identity),
+ http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
+ "curl_multi_perform",
+ curl_easy_strerror (msg->data.result));
+#endif
+ ps->send_connected = GNUNET_NO;
+ ps->send_active = GNUNET_NO;
+ curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint);
+ while (ps->pending_msgs_tail != NULL)
+ {
+ cur_msg = ps->pending_msgs_tail;
+ if ( NULL != cur_msg->transmit_cont)
+ cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_SYSERR);
+ ps->queue_length_cur -= cur_msg->size;
+ remove_http_message(ps,cur_msg);
+ }
+ }
+ /* GET connection failed */
+ if (msg->easy_handle == ps->recv_endpoint)
+ {
+#if DEBUG_CONNECTIONS
+ GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+ _("Connection %X: HTTP GET to peer `%s' (`%s') failed: `%s' `%s'\n"),
+ ps,
+ GNUNET_i2s(&pc->identity),
+ http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
+ "curl_multi_perform",
+ curl_easy_strerror (msg->data.result));
+#endif
+ ps->recv_connected = GNUNET_NO;
+ ps->recv_active = GNUNET_NO;
+ curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint);
+ }
+ }
+ else
+ {
+ if (msg->easy_handle == ps->send_endpoint)
+ {
+ GNUNET_assert (CURLE_OK == curl_easy_getinfo(msg->easy_handle, CURLINFO_RESPONSE_CODE, &http_result));
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: HTTP PUT connection to peer `%s' (`%s') was closed with HTTP code %u\n",
+ ps,
+ GNUNET_i2s(&pc->identity),
+ http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
+ http_result);
+#endif
+ /* Calling transmit continuation */
+ while (ps->pending_msgs_tail != NULL)
+ {
+ cur_msg = ps->pending_msgs_tail;
+ if ( NULL != cur_msg->transmit_cont)
+ {
+ /* HTTP 1xx : Last message before here was informational */
+ if ((http_result >=100) && (http_result < 200))
+ cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
+ /* HTTP 2xx: successful operations */
+ if ((http_result >=200) && (http_result < 300))
+ cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
+ /* HTTP 3xx..5xx: error */
+ if ((http_result >=300) && (http_result < 600))
+ cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_SYSERR);
+ }
+ ps->queue_length_cur -= cur_msg->size;
+ remove_http_message(ps,cur_msg);
+ }
+
+ ps->send_connected = GNUNET_NO;
+ ps->send_active = GNUNET_NO;
+ curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint);
+ }
+ if (msg->easy_handle == ps->recv_endpoint)
+ {
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: HTTP GET connection to peer `%s' (`%s') was closed with HTTP code %u\n",
+ ps,
+ GNUNET_i2s(&pc->identity),
+ http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
+ http_result);
+#endif
+ ps->recv_connected = GNUNET_NO;
+ ps->recv_active = GNUNET_NO;
+ curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint);
+ }
+ plugin->current_connections--;
+ }
+ if ((ps->recv_connected == GNUNET_NO) && (ps->send_connected == GNUNET_NO))
+ remove_session (pc, ps, GNUNET_YES, GNUNET_SYSERR);
+ break;
+ default:
+ break;
+ }
+ }
+ while ( (msgs_in_queue > 0) );
+}
/**
- * Function setting up curl handle and selecting message to send
- * @param cls plugin
- * @param ses session to send data to
- * @param con connection
- * @return GNUNET_SYSERR on failure, GNUNET_NO if connecting, GNUNET_YES if ok
+ * Task performing curl operations
+ * @param cls plugin as closure
+ * @param tc gnunet scheduler task context
*/
-static ssize_t send_check_connections (void *cls, struct Session *ps)
+static void curl_perform (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Plugin *plugin = cls;
+ static unsigned int handles_last_run;
+ int running;
CURLMcode mret;
- struct HTTP_Message * msg;
- struct GNUNET_TIME_Relative timeout = GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT;
GNUNET_assert(cls !=NULL);
- if (ps->direction == OUTBOUND)
- {
- /* RECV DIRECTION */
- /* Check if session is connected to receive data, otherwise connect to peer */
- if (ps->recv_connected == GNUNET_NO)
- {
- if (ps->recv_endpoint == NULL)
- {
- ps->recv_endpoint = curl_easy_init();
-#if DEBUG_CURL
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_VERBOSE, 1L);
-#endif
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_URL, ps->url);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_HEADERFUNCTION, &curl_get_header_function);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_WRITEHEADER, ps);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_READFUNCTION, curl_send_cb);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_READDATA, ps);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_WRITEFUNCTION, curl_receive_cb);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_WRITEDATA, ps);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_TIMEOUT, (long) timeout.value);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_PRIVATE, ps);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_CONNECTTIMEOUT, HTTP_CONNECT_TIMEOUT);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_BUFFERSIZE, GNUNET_SERVER_MAX_MESSAGE_SIZE);
-
- mret = curl_multi_add_handle(plugin->multi_handle, ps->recv_endpoint);
- if (mret != CURLM_OK)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("%s failed at %s:%d: `%s'\n"),
- "curl_multi_add_handle", __FILE__, __LINE__,
- curl_multi_strerror (mret));
- return GNUNET_SYSERR;
- }
- if (curl_schedule (plugin, NULL) == GNUNET_SYSERR)
- return GNUNET_SYSERR;
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound not connected, initiating connection\n",ps);
-#endif
- }
- }
-
- /* waiting for receive direction */
- if (ps->recv_connected==GNUNET_NO)
- return GNUNET_NO;
-
- /* SEND DIRECTION */
- /* Check if session is connected to send data, otherwise connect to peer */
- if ((ps->send_connected == GNUNET_YES) && (ps->send_endpoint!= NULL))
- {
- if (ps->send_active == GNUNET_YES)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound active, enqueueing message\n",ps);
-#endif
- return GNUNET_YES;
- }
- if (ps->send_active == GNUNET_NO)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound paused, unpausing existing connection and enqueueing message\n",ps);
-#endif
- if (CURLE_OK == curl_easy_pause(ps->send_endpoint,CURLPAUSE_CONT))
- {
- ps->send_active=GNUNET_YES;
- return GNUNET_YES;
- }
- else
- return GNUNET_SYSERR;
- }
- }
- /* not connected, initiate connection */
- if ((ps->send_connected==GNUNET_NO) && (NULL == ps->send_endpoint))
- ps->send_endpoint = curl_easy_init();
- GNUNET_assert (ps->send_endpoint != NULL);
- GNUNET_assert (NULL != ps->pending_msgs_tail);
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound not connected, initiating connection\n",ps);
-#endif
- ps->send_active = GNUNET_NO;
- msg = ps->pending_msgs_tail;
-
- #if DEBUG_CURL
- curl_easy_setopt(ps->send_endpoint, CURLOPT_VERBOSE, 1L);
- #endif
- curl_easy_setopt(ps->send_endpoint, CURLOPT_URL, ps->url);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_PUT, 1L);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_HEADERFUNCTION, &curl_put_header_function);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_WRITEHEADER, ps);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_READFUNCTION, curl_send_cb);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_READDATA, ps);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_WRITEFUNCTION, curl_receive_cb);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_READDATA, ps);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_TIMEOUT, (long) timeout.value);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_PRIVATE, ps);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_CONNECTTIMEOUT, HTTP_CONNECT_TIMEOUT);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_BUFFERSIZE, GNUNET_SERVER_MAX_MESSAGE_SIZE);
-
- mret = curl_multi_add_handle(plugin->multi_handle, ps->send_endpoint);
- if (mret != CURLM_OK)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("%s failed at %s:%d: `%s'\n"),
- "curl_multi_add_handle", __FILE__, __LINE__,
- curl_multi_strerror (mret));
- return GNUNET_SYSERR;
- }
- if (curl_schedule (plugin, NULL) == GNUNET_SYSERR)
- return GNUNET_SYSERR;
- return GNUNET_YES;
- }
- if (ps->direction == INBOUND)
- {
- GNUNET_assert (NULL != ps->pending_msgs_tail);
- msg = ps->pending_msgs_tail;
- if ((ps->recv_connected==GNUNET_YES) && (ps->send_connected==GNUNET_YES))
- return GNUNET_YES;
- }
- return GNUNET_SYSERR;
-}
-
-static void curl_perform (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct Plugin *plugin = cls;
- static unsigned int handles_last_run;
- int running;
- struct CURLMsg *msg;
- CURLMcode mret;
- struct Session *ps = NULL;
- struct HTTP_PeerContext *pc = NULL;
- struct HTTP_Message * cur_msg = NULL;
- long http_result;
-
- GNUNET_assert(cls !=NULL);
-
- plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- return;
-
- do
+ plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ return;
+ do
{
running = 0;
mret = curl_multi_perform (plugin->multi_handle, &running);
if ((running < handles_last_run) && (running>0))
- {
- do
- {
-
- msg = curl_multi_info_read (plugin->multi_handle, &running);
- if (running == 0)
- break;
- /* get session for affected curl handle */
- GNUNET_assert ( msg->easy_handle != NULL );
- curl_easy_getinfo(msg->easy_handle, CURLINFO_PRIVATE, (char *) &ps);
- GNUNET_assert ( ps != NULL );
- pc = ps->peercontext;
- GNUNET_assert ( pc != NULL );
- switch (msg->msg)
- {
-
- case CURLMSG_DONE:
- if ( (msg->data.result != CURLE_OK) &&
- (msg->data.result != CURLE_GOT_NOTHING) )
- {
- /* sending msg failed*/
- if (msg->easy_handle == ps->send_endpoint)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log(GNUNET_ERROR_TYPE_INFO,
- _("Connection %X: HTTP PUT to peer `%s' (`%s') failed: `%s' `%s'\n"),
- ps,
- GNUNET_i2s(&pc->identity),
- http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
- "curl_multi_perform",
- curl_easy_strerror (msg->data.result));
-#endif
- ps->send_connected = GNUNET_NO;
- ps->send_active = GNUNET_NO;
- curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint);
- curl_easy_cleanup(ps->send_endpoint);
- ps->send_endpoint=NULL;
- cur_msg = ps->pending_msgs_tail;
- if (( NULL != cur_msg) && ( NULL != cur_msg->transmit_cont))
- cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_SYSERR);
- }
- /* GET connection failed */
- if (msg->easy_handle == ps->recv_endpoint)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log(GNUNET_ERROR_TYPE_INFO,
- _("Connection %X: HTTP GET to peer `%s' (`%s') failed: `%s' `%s'\n"),
- ps,
- GNUNET_i2s(&pc->identity),
- http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
- "curl_multi_perform",
- curl_easy_strerror (msg->data.result));
-#endif
- ps->recv_connected = GNUNET_NO;
- ps->recv_active = GNUNET_NO;
- curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint);
- curl_easy_cleanup(ps->recv_endpoint);
- ps->recv_endpoint=NULL;
- }
- }
- else
- {
- if (msg->easy_handle == ps->send_endpoint)
- {
- GNUNET_assert (CURLE_OK == curl_easy_getinfo(msg->easy_handle, CURLINFO_RESPONSE_CODE, &http_result));
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connection %X: HTTP PUT connection to peer `%s' (`%s') was closed with HTTP code %u\n",
- ps,
- GNUNET_i2s(&pc->identity),
- http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
- http_result);
-#endif
- /* Calling transmit continuation */
- cur_msg = ps->pending_msgs_tail;
- if (( NULL != cur_msg) && (NULL != cur_msg->transmit_cont))
- {
- /* HTTP 1xx : Last message before here was informational */
- if ((http_result >=100) && (http_result < 200))
- cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
- /* HTTP 2xx: successful operations */
- if ((http_result >=200) && (http_result < 300))
- cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
- /* HTTP 3xx..5xx: error */
- if ((http_result >=300) && (http_result < 600))
- cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_SYSERR);
- }
- ps->send_connected = GNUNET_NO;
- ps->send_active = GNUNET_NO;
- curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint);
- curl_easy_cleanup(ps->send_endpoint);
- ps->send_endpoint =NULL;
- }
- if (msg->easy_handle == ps->recv_endpoint)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connection %X: HTTP GET connection to peer `%s' (`%s') was closed with HTTP code %u\n",
- ps,
- GNUNET_i2s(&pc->identity),
- http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
- http_result);
-#endif
- ps->recv_connected = GNUNET_NO;
- ps->recv_active = GNUNET_NO;
- curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint);
- curl_easy_cleanup(ps->recv_endpoint);
- ps->recv_endpoint=NULL;
- }
- }
- if ((ps->recv_connected == GNUNET_NO) && (ps->send_connected == GNUNET_NO))
- remove_session (pc, ps, GNUNET_YES, GNUNET_SYSERR);
- return;
- default:
- break;
- }
-
- }
- while ( (running > 0) );
- }
+ curl_handle_finished(plugin);
handles_last_run = running;
}
while (mret == CURLM_CALL_MULTI_PERFORM);
- curl_schedule(plugin, cls);
+ curl_schedule(plugin);
}
/**
* Function setting up file descriptors and scheduling task to run
- * @param ses session to send data to
+ *
+ * @param plugin plugin as closure
* @return GNUNET_SYSERR for hard failure, GNUNET_OK for ok
*/
-static int curl_schedule(void *cls, struct Session* ses )
+static int
+curl_schedule(struct Plugin *plugin)
{
- struct Plugin *plugin = cls;
fd_set rs;
fd_set ws;
fd_set es;
long to;
CURLMcode mret;
- GNUNET_assert(cls !=NULL);
+ /* Cancel previous scheduled task */
+ if (plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel(plugin->http_curl_task);
+ plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+
max = -1;
FD_ZERO (&rs);
FD_ZERO (&ws);
gws = GNUNET_NETWORK_fdset_create ();
GNUNET_NETWORK_fdset_copy_native (grs, &rs, max + 1);
GNUNET_NETWORK_fdset_copy_native (gws, &ws, max + 1);
- plugin->http_curl_task = GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK,
- GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 0),
- grs,
- gws,
- &curl_perform,
- plugin);
+ plugin->http_curl_task = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_NO_TASK,
+ (to == -1)
+ ? GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
+ : GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, to),
+ grs,
+ gws,
+ &curl_perform,
+ plugin);
GNUNET_NETWORK_fdset_destroy (gws);
GNUNET_NETWORK_fdset_destroy (grs);
return GNUNET_OK;
}
+#if DEBUG_CURL
+/**
+ * Function to log curl debug messages with GNUNET_log
+ * @param curl handle
+ * @param type curl_infotype
+ * @param data data
+ * @param size size
+ * @param cls closure
+ * @return 0
+ */
+static int
+curl_logger (CURL * curl,
+ curl_infotype type,
+ char * data, size_t size,
+ void * cls)
+{
+ if (type == CURLINFO_TEXT)
+ {
+ char text[size+2];
+ memcpy(text,data,size);
+ if (text[size-1] == '\n')
+ text[size] = '\0';
+ else
+ {
+ text[size] = '\n';
+ text[size+1] = '\0';
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CURL: Connection %X - %s",
+ cls,
+ text);
+ }
+ return 0;
+}
+#endif
+
+
+/**
+ * Function setting up curl handle and selecting message to send
+ *
+ * @param plugin plugin
+ * @param ps session
+ * @return GNUNET_SYSERR on failure, GNUNET_NO if connecting, GNUNET_YES if ok
+ */
+static int
+send_check_connections (struct Plugin *plugin,
+ struct Session *ps)
+{
+ CURLMcode mret;
+ struct GNUNET_TIME_Relative timeout = GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT;
+
+ if ((ps->direction == OUTBOUND) && (plugin->current_connections < plugin->max_connect_per_transport))
+ {
+ /* RECV DIRECTION */
+ /* Check if session is connected to receive data, otherwise connect to peer */
+
+ if (ps->recv_connected == GNUNET_NO)
+ {
+ int fresh = GNUNET_NO;
+ if (ps->recv_endpoint == NULL)
+ {
+ fresh = GNUNET_YES;
+ ps->recv_endpoint = curl_easy_init();
+ }
+#if DEBUG_CURL
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_VERBOSE, 1L);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_DEBUGFUNCTION , &curl_logger);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_DEBUGDATA , ps->recv_endpoint);
+#endif
+#if BUILD_HTTPS
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_SSL_VERIFYPEER, 0);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_SSL_VERIFYHOST, 0);
+#endif
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_URL, ps->url);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_HEADERFUNCTION, &curl_get_header_cb);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_WRITEHEADER, ps);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_READFUNCTION, curl_send_cb);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_READDATA, ps);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_WRITEFUNCTION, curl_receive_cb);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_WRITEDATA, ps);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_TIMEOUT, (long) timeout.rel_value);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_PRIVATE, ps);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_CONNECTTIMEOUT, HTTP_CONNECT_TIMEOUT);
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_BUFFERSIZE, 2*GNUNET_SERVER_MAX_MESSAGE_SIZE);
+#if CURL_TCP_NODELAY
+ curl_easy_setopt(ps->recv_endpoint, CURLOPT_TCP_NODELAY, 1);
+#endif
+ if (fresh==GNUNET_YES)
+ {
+ mret = curl_multi_add_handle(plugin->multi_handle, ps->recv_endpoint);
+ if (mret != CURLM_OK)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Connection: %X: %s failed at %s:%d: `%s'\n"),
+ ps,
+ "curl_multi_add_handle", __FILE__, __LINE__,
+ curl_multi_strerror (mret));
+ return GNUNET_SYSERR;
+ }
+ }
+ if (plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel(plugin->http_curl_task);
+ plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ plugin->current_connections ++;
+ plugin->http_curl_task = GNUNET_SCHEDULER_add_now (&curl_perform, plugin);
+ }
+
+ /* waiting for receive direction */
+ if (ps->recv_connected==GNUNET_NO)
+ return GNUNET_NO;
+
+ /* SEND DIRECTION */
+ /* Check if session is connected to send data, otherwise connect to peer */
+ if ((ps->send_connected == GNUNET_YES) && (ps->send_endpoint!= NULL))
+ {
+ if (ps->send_active == GNUNET_YES)
+ {
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: outbound active, enqueueing message\n",
+ ps);
+#endif
+ return GNUNET_YES;
+ }
+ if (ps->send_active == GNUNET_NO)
+ {
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: outbound paused, unpausing existing connection and enqueueing message\n",
+ ps);
+#endif
+ if (CURLE_OK == curl_easy_pause(ps->send_endpoint,CURLPAUSE_CONT))
+ {
+ ps->send_active=GNUNET_YES;
+ if (plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel(plugin->http_curl_task);
+ plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ plugin->http_curl_task = GNUNET_SCHEDULER_add_now (&curl_perform, plugin);
+ return GNUNET_YES;
+ }
+ else
+ return GNUNET_SYSERR;
+ }
+ }
+ /* not connected, initiate connection */
+ if ((ps->send_connected==GNUNET_NO) && (plugin->current_connections < plugin->max_connect_per_transport))
+ {
+ int fresh = GNUNET_NO;
+ if (NULL == ps->send_endpoint)
+ {
+ ps->send_endpoint = curl_easy_init();
+ fresh = GNUNET_YES;
+ }
+ GNUNET_assert (ps->send_endpoint != NULL);
+ GNUNET_assert (NULL != ps->pending_msgs_tail);
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connection %X: outbound not connected, initiating connection\n",
+ ps);
+#endif
+ ps->send_active = GNUNET_NO;
+
+#if DEBUG_CURL
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_VERBOSE, 1L);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_DEBUGFUNCTION , &curl_logger);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_DEBUGDATA , ps->send_endpoint);
+#endif
+#if BUILD_HTTPS
+ curl_easy_setopt (ps->send_endpoint, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_SSL_VERIFYPEER, 0);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_SSL_VERIFYHOST, 0);
+#endif
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_URL, ps->url);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_PUT, 1L);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_HEADERFUNCTION, &curl_put_header_cb);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_WRITEHEADER, ps);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_READFUNCTION, curl_send_cb);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_READDATA, ps);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_WRITEFUNCTION, curl_receive_cb);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_READDATA, ps);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_TIMEOUT, (long) timeout.rel_value);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_PRIVATE, ps);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_CONNECTTIMEOUT, HTTP_CONNECT_TIMEOUT);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_BUFFERSIZE, 2 * GNUNET_SERVER_MAX_MESSAGE_SIZE);
+#if CURL_TCP_NODELAY
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_TCP_NODELAY, 1);
+#endif
+ if (fresh==GNUNET_YES)
+ {
+ mret = curl_multi_add_handle(plugin->multi_handle, ps->send_endpoint);
+ if (mret != CURLM_OK)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Connection: %X: %s failed at %s:%d: `%s'\n"),
+ ps,
+ "curl_multi_add_handle", __FILE__, __LINE__,
+ curl_multi_strerror (mret));
+ return GNUNET_SYSERR;
+ }
+ }
+ }
+ if (plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel(plugin->http_curl_task);
+ plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ plugin->current_connections++;
+ plugin->http_curl_task = GNUNET_SCHEDULER_add_now (&curl_perform, plugin);
+ return GNUNET_YES;
+ }
+ if (ps->direction == INBOUND)
+ {
+ GNUNET_assert (NULL != ps->pending_msgs_tail);
+ if ((ps->recv_connected==GNUNET_YES) && (ps->send_connected==GNUNET_YES) &&
+ (ps->recv_force_disconnect==GNUNET_NO) && (ps->recv_force_disconnect==GNUNET_NO))
+ return GNUNET_YES;
+ }
+ return GNUNET_SYSERR;
+}
+
+
+/**
+ * select best session to transmit data to peer
+ *
+ * @param pc peer context of target peer
+ * @param addr address of target peer
+ * @param addrlen address length
+ * @param force_address does transport service enforce address?
+ * @param session session passed by transport service
+ * @return selected session
+ *
+ */
+static struct Session *
+send_select_session (struct HTTP_PeerContext *pc,
+ const void * addr, size_t addrlen,
+ int force_address,
+ struct Session * session)
+{
+ struct Session * tmp = NULL;
+ int addr_given = GNUNET_NO;
+
+ if ((addr!=NULL) && (addrlen>0))
+ addr_given = GNUNET_YES;
+
+ if (force_address == GNUNET_YES)
+ {
+ /* check session given as argument */
+ if ((session != NULL) && (addr_given == GNUNET_YES))
+ {
+ if (0 == memcmp(session->addr, addr, addrlen))
+ {
+ /* connection can not be used, since it is disconnected */
+ if ( (session->recv_force_disconnect==GNUNET_NO) &&
+ (session->send_force_disconnect==GNUNET_NO) )
+ {
+#if DEBUG_SESSION_SELECTION
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Session %X selected: Using session passed by transport to send to forced address \n",
+ session);
+#endif
+ return session;
+ }
+ }
+ }
+ /* check last session used */
+ if ((pc->last_session != NULL)&& (addr_given == GNUNET_YES))
+ {
+ if (0 == memcmp(pc->last_session->addr, addr, addrlen))
+ {
+ /* connection can not be used, since it is disconnected */
+ if ( (pc->last_session->recv_force_disconnect==GNUNET_NO) &&
+ (pc->last_session->send_force_disconnect==GNUNET_NO) )
+ {
+#if DEBUG_SESSION_SELECTION
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Session %X selected: Using last session used to send to forced address \n",
+ pc->last_session);
+#endif
+ return pc->last_session;
+ }
+ }
+ }
+ /* find session in existing sessions */
+ tmp = pc->head;
+ while ((tmp!=NULL) && (addr_given == GNUNET_YES))
+ {
+ if (0 == memcmp(tmp->addr, addr, addrlen))
+ {
+ /* connection can not be used, since it is disconnected */
+ if ( (tmp->recv_force_disconnect==GNUNET_NO) &&
+ (tmp->send_force_disconnect==GNUNET_NO) )
+ {
+#if DEBUG_SESSION_SELECTION
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Session %X selected: Using existing session to send to forced address \n",
+ session);
+#endif
+ return session;
+ }
+ }
+ tmp=tmp->next;
+ }
+ /* no session to use */
+ return NULL;
+ }
+ if ((force_address == GNUNET_NO) || (force_address == GNUNET_SYSERR))
+ {
+ /* check session given as argument */
+ if (session != NULL)
+ {
+ /* connection can not be used, since it is disconnected */
+ if ( (session->recv_force_disconnect==GNUNET_NO) &&
+ (session->send_force_disconnect==GNUNET_NO) )
+ {
+#if DEBUG_SESSION_SELECTION
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Session %X selected: Using session passed by transport to send not-forced address\n",
+ session);
+#endif
+ return session;
+ }
+ }
+ /* check last session used */
+ if (pc->last_session != NULL)
+ {
+ /* connection can not be used, since it is disconnected */
+ if ( (pc->last_session->recv_force_disconnect==GNUNET_NO) &&
+ (pc->last_session->send_force_disconnect==GNUNET_NO) )
+ {
+#if DEBUG_SESSION_SELECTION
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Session %X selected: Using last session to send to not-forced address\n",
+ pc->last_session);
+#endif
+ return pc->last_session;
+ }
+ }
+ /* find session in existing sessions */
+ tmp = pc->head;
+ while (tmp!=NULL)
+ {
+ /* connection can not be used, since it is disconnected */
+ if ( (tmp->recv_force_disconnect==GNUNET_NO) &&
+ (tmp->send_force_disconnect==GNUNET_NO) )
+ {
+#if DEBUG_SESSION_SELECTION
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Session %X selected: Using existing session to send to not-forced address\n",
+ tmp);
+#endif
+ return tmp;
+ }
+ tmp=tmp->next;
+ }
+ return NULL;
+ }
+ return NULL;
+}
+
+
/**
* Function that can be used by the transport service to transmit
* a message using the plugin. Note that in the case of a
* @param msgbuf_size number of bytes in 'msgbuf'
* @param priority how important is the message (most plugins will
* ignore message priority and just FIFO)
- * @param timeout how long to wait at most for the transmission (does not
+ * @param to how long to wait at most for the transmission (does not
* require plugins to discard the message after the timeout,
* just advisory for the desired delay; most plugins will ignore
* this as well)
{
struct Plugin *plugin = cls;
struct HTTP_Message *msg;
-
struct HTTP_PeerContext * pc;
struct Session * ps = NULL;
- struct Session * ps_tmp = NULL;
GNUNET_assert(cls !=NULL);
- char * force = GNUNET_malloc(40);
+#if DEBUG_HTTP
+ char * force;
+
if (force_address == GNUNET_YES)
- strcpy(force,"forced addr.");
- if (force_address == GNUNET_NO)
- strcpy(force,"any addr.");
- if (force_address == GNUNET_SYSERR)
- strcpy(force,"reliable bi-direc. address addr.");
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Transport tells me to send %u bytes to `%s' using %s (%s) and session: %X\n",
- msgbuf_size,
- GNUNET_i2s(target),
- force,
- http_plugin_address_to_string(NULL, addr, addrlen),
- session);
+ GNUNET_asprintf(&force, "forced addr.");
+ else if (force_address == GNUNET_NO)
+ GNUNET_asprintf(&force, "any addr.");
+ else if (force_address == GNUNET_SYSERR)
+ GNUNET_asprintf(&force,"reliable bi-direc. address addr.");
+ else
+ GNUNET_assert (0);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Transport tells me to send %u bytes to `%s' using %s (%s) and session: %X\n",
+ msgbuf_size,
+ GNUNET_i2s(target),
+ force,
+ http_plugin_address_to_string(NULL, addr, addrlen),
+ session);
GNUNET_free(force);
+#endif
pc = GNUNET_CONTAINER_multihashmap_get (plugin->peers, &target->hashPubKey);
/* Peer unknown */
if (pc==NULL)
- {
- pc = GNUNET_malloc(sizeof (struct HTTP_PeerContext));
- pc->plugin = plugin;
- pc->session_id_counter=1;
- memcpy(&pc->identity, target, sizeof(struct GNUNET_PeerIdentity));
- GNUNET_CONTAINER_multihashmap_put(plugin->peers, &pc->identity.hashPubKey, pc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
- }
-
- /* Search for existing session using the passed address */
- if ((addr!=NULL) && (addrlen != 0))
- {
- ps = get_Session(plugin, pc, addr, addrlen);
- }
- if (ps != NULL)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Found existing connection to peer %s with given address, using %X\n", GNUNET_i2s(target), ps);
-
- /* Search for existing session using the passed session */
- if ((ps==NULL) && (force_address != GNUNET_YES))
- {
- ps_tmp = pc->head;
- while (ps_tmp!=NULL)
- {
- if ((ps_tmp==session) && (ps_tmp->recv_force_disconnect==GNUNET_NO) && (ps_tmp->send_force_disconnect==GNUNET_NO) &&
- (ps_tmp->recv_connected==GNUNET_YES) && (ps_tmp->send_connected==GNUNET_YES))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Found existing connection to peer %s with given session, using inbound session %X\n", GNUNET_i2s(target), ps_tmp);
- ps = ps_tmp;
- break;
- }
- ps_tmp=ps_tmp->next;
- }
- }
-
- /* session not existing, address not forced -> looking for other session */
- if ((ps==NULL) && (force_address != GNUNET_YES))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection, but free to choose existing, searching for existing connection to peer %s\n", GNUNET_i2s(target));
- /* Choosing different session to peer when possible */
- struct Session * tmp = pc->head;
- while (tmp!=NULL)
{
- if ((tmp->recv_connected) && (tmp->send_connected) && (tmp->recv_force_disconnect==GNUNET_NO) && (tmp->send_force_disconnect==GNUNET_NO))
- {
- ps = tmp;
- }
- tmp = tmp->next;
+ pc = GNUNET_malloc(sizeof (struct HTTP_PeerContext));
+ pc->plugin = plugin;
+ pc->session_id_counter=1;
+ pc->last_session = NULL;
+ memcpy(&pc->identity, target, sizeof(struct GNUNET_PeerIdentity));
+ GNUNET_CONTAINER_multihashmap_put (plugin->peers,
+ &pc->identity.hashPubKey,
+ pc,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
+ GNUNET_STATISTICS_update (plugin->env->stats,
+ gettext_noop ("# HTTP peers active"),
+ 1,
+ GNUNET_NO);
}
- if (ps != NULL)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection to peer %s, selected connection %X\n", GNUNET_i2s(target),ps);
- else
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection to peer %s, no connection found\n", GNUNET_i2s(target));
- }
-
+ ps = send_select_session (pc, addr, addrlen, force_address, session);
/* session not existing, but address forced -> creating new session */
- if ((ps==NULL) || ((ps==NULL) && (force_address == GNUNET_YES)))
- {
- if ((addr!=NULL) && (addrlen!=0))
+ if (ps==NULL)
{
- if (force_address == GNUNET_YES)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection & forced address: creating new connection to peer %s\n", GNUNET_i2s(target));
- if (force_address != GNUNET_YES)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection: creating new connection to peer %s\n", GNUNET_i2s(target));
-
- ps = GNUNET_malloc(sizeof (struct Session));
- if ((addrlen!=0) && (addr!=NULL))
- {
- ps->addr = GNUNET_malloc(addrlen);
- memcpy(ps->addr,addr,addrlen);
- ps->addrlen = addrlen;
- }
+ if ((addr!=NULL) && (addrlen!=0))
+ {
+ ps = GNUNET_malloc(sizeof (struct Session));
+#if DEBUG_SESSION_SELECTION
+ if (force_address == GNUNET_YES)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "No existing connection & forced address: creating new session %X to peer %s\n",
+ ps, GNUNET_i2s(target));
+ if (force_address != GNUNET_YES)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "No existing connection: creating new session %X to peer %s\n",
+ ps, GNUNET_i2s(target));
+#endif
+ ps->addr = GNUNET_malloc(addrlen);
+ memcpy(ps->addr,addr,addrlen);
+ ps->addrlen = addrlen;
+ ps->direction=OUTBOUND;
+ ps->recv_connected = GNUNET_NO;
+ ps->recv_force_disconnect = GNUNET_NO;
+ ps->send_connected = GNUNET_NO;
+ ps->send_force_disconnect = GNUNET_NO;
+ ps->pending_msgs_head = NULL;
+ ps->pending_msgs_tail = NULL;
+ ps->peercontext=pc;
+ ps->session_id = pc->session_id_counter;
+ ps->queue_length_cur = 0;
+ ps->queue_length_max = GNUNET_SERVER_MAX_MESSAGE_SIZE;
+ pc->session_id_counter++;
+ ps->url = create_url (plugin, ps->addr, ps->addrlen, ps->session_id);
+ if (ps->msgtok == NULL)
+ ps->msgtok = GNUNET_SERVER_mst_create (&curl_receive_mst_cb, ps);
+ GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
+ GNUNET_STATISTICS_update (plugin->env->stats,
+ gettext_noop ("# HTTP outbound sessions for peers active"),
+ 1,
+ GNUNET_NO);
+ }
else
- {
- ps->addr = NULL;
- ps->addrlen = 0;
- }
- ps->direction=OUTBOUND;
- ps->recv_connected = GNUNET_NO;
- ps->recv_force_disconnect = GNUNET_NO;
- ps->send_connected = GNUNET_NO;
- ps->send_force_disconnect = GNUNET_NO;
- ps->pending_msgs_head = NULL;
- ps->pending_msgs_tail = NULL;
- ps->peercontext=pc;
- ps->session_id = pc->session_id_counter;
- pc->session_id_counter++;
- ps->url = create_url (plugin, ps->addr, ps->addrlen, ps->session_id);
- if (ps->msgtok == NULL)
- ps->msgtok = GNUNET_SERVER_mst_create (&curl_receive_mst_cb, ps);
- GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
- }
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing session & and no address given: no way to send this message to peer `%s'!\n", GNUNET_i2s(target));
- return GNUNET_SYSERR;
+ {
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "No existing session found & and no address given: no way to send this message to peer `%s'!\n",
+ GNUNET_i2s(target));
+#endif
+ return GNUNET_SYSERR;
+ }
}
- }
-
+
+ if (msgbuf_size >= (ps->queue_length_max - ps->queue_length_cur))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Queue %X full: %u bytes in queue available, message with %u is too big\n",
+ ps,
+ (ps->queue_length_max - ps->queue_length_cur),
+ msgbuf_size);
+ //return GNUNET_SYSERR;
+ }
+
/* create msg */
msg = GNUNET_malloc (sizeof (struct HTTP_Message) + msgbuf_size);
msg->next = NULL;
msg->buf = (char *) &msg[1];
msg->transmit_cont = cont;
msg->transmit_cont_cls = cont_cls;
- memcpy (msg->buf,msgbuf, msgbuf_size);
- GNUNET_CONTAINER_DLL_insert(ps->pending_msgs_head,ps->pending_msgs_tail,msg);
-
- if (send_check_connections (plugin, ps) != GNUNET_SYSERR)
- return msg->size;
- else
- return GNUNET_SYSERR;
+ memcpy (msg->buf,msgbuf, msgbuf_size);
+ GNUNET_CONTAINER_DLL_insert (ps->pending_msgs_head,
+ ps->pending_msgs_tail,
+ msg);
+ ps->queue_length_cur += msgbuf_size;
+ if (send_check_connections (plugin, ps) == GNUNET_SYSERR)
+ return GNUNET_SYSERR;
+ if (force_address != GNUNET_YES)
+ pc->last_session = ps;
+ if (pc->last_session==NULL)
+ pc->last_session = ps;
+ return msg->size;
}
-
/**
* Function that can be used to force the plugin to disconnect
* from the given peer and cancel all previous transmissions
http_plugin_disconnect (void *cls,
const struct GNUNET_PeerIdentity *target)
{
-
struct Plugin *plugin = cls;
struct HTTP_PeerContext *pc = NULL;
struct Session *ps = NULL;
- //struct Session *tmp = NULL;
pc = GNUNET_CONTAINER_multihashmap_get (plugin->peers, &target->hashPubKey);
if (pc==NULL)
return;
ps = pc->head;
-
while (ps!=NULL)
- {
- /* Telling transport that session is getting disconnected */
- plugin->env->session_end(plugin, target, ps);
- if (ps->direction==OUTBOUND)
- {
- if (ps->send_endpoint!=NULL)
- {
- //curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint);
- //curl_easy_cleanup(ps->send_endpoint);
- //ps->send_endpoint=NULL;
- ps->send_force_disconnect = GNUNET_YES;
- }
- if (ps->recv_endpoint!=NULL)
- {
- //curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint);
- //curl_easy_cleanup(ps->recv_endpoint);
- //ps->recv_endpoint=NULL;
- ps->recv_force_disconnect = GNUNET_YES;
- }
- }
-
- if (ps->direction==INBOUND)
- {
- ps->recv_force_disconnect = GNUNET_YES;
- ps->send_force_disconnect = GNUNET_YES;
- }
-
- while (ps->pending_msgs_head!=NULL)
{
- remove_http_message(ps, ps->pending_msgs_head);
+ /* Telling transport that session is getting disconnected */
+ plugin->env->session_end(plugin, target, ps);
+ if (ps->direction==OUTBOUND)
+ {
+ if (ps->send_endpoint!=NULL)
+ {
+ //GNUNET_assert(CURLM_OK == curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint));
+ //curl_easy_cleanup(ps->send_endpoint);
+ //ps->send_endpoint=NULL;
+ ps->send_force_disconnect = GNUNET_YES;
+ }
+ if (ps->recv_endpoint!=NULL)
+ {
+ //GNUNET_assert(CURLM_OK == curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint));
+ //curl_easy_cleanup(ps->recv_endpoint);
+ //ps->recv_endpoint=NULL;
+ ps->recv_force_disconnect = GNUNET_YES;
+ }
+ }
+ if (ps->direction==INBOUND)
+ {
+ ps->recv_force_disconnect = GNUNET_YES;
+ ps->send_force_disconnect = GNUNET_YES;
+ }
+ while (ps->pending_msgs_head!=NULL)
+ remove_http_message(ps, ps->pending_msgs_head);
+ ps->recv_active = GNUNET_NO;
+ ps->send_active = GNUNET_NO;
+ ps=ps->next;
}
- ps->recv_active = GNUNET_NO;
- ps->send_active = GNUNET_NO;
- ps=ps->next;
- }
}
GNUNET_assert(cls !=NULL);
if (addrlen == sizeof (struct IPv6HttpAddress))
- {
- address = GNUNET_malloc (INET6_ADDRSTRLEN);
- t6 = addr;
- a6.sin6_addr = t6->ipv6_addr;
- inet_ntop(AF_INET6, &(a6.sin6_addr),address,INET6_ADDRSTRLEN);
- port = ntohs(t6->u6_port);
- }
+ {
+ address = GNUNET_malloc (INET6_ADDRSTRLEN);
+ t6 = addr;
+ a6.sin6_addr = t6->ipv6_addr;
+ inet_ntop(AF_INET6, &(a6.sin6_addr),address,INET6_ADDRSTRLEN);
+ port = ntohs(t6->u6_port);
+ }
else if (addrlen == sizeof (struct IPv4HttpAddress))
- {
- address = GNUNET_malloc (INET_ADDRSTRLEN);
- t4 = addr;
- a4.sin_addr.s_addr = t4->ipv4_addr;
- inet_ntop(AF_INET, &(a4.sin_addr),address,INET_ADDRSTRLEN);
- port = ntohs(t4->u_port);
- }
+ {
+ address = GNUNET_malloc (INET_ADDRSTRLEN);
+ t4 = addr;
+ a4.sin_addr.s_addr = t4->ipv4_addr;
+ inet_ntop(AF_INET, &(a4.sin_addr),address,INET_ADDRSTRLEN);
+ port = ntohs(t4->u_port);
+ }
else
- {
- /* invalid address */
- GNUNET_break_op (0);
- asc (asc_cls, NULL);
- return;
- }
- res = GNUNET_asprintf(&ret,"http://%s:%u/",address,port);
+ {
+ /* invalid address */
+ GNUNET_break_op (0);
+ asc (asc_cls, NULL);
+ return;
+ }
+ res = GNUNET_asprintf(&ret,"%s://%s:%u/", PROTOCOL_PREFIX, address, port);
GNUNET_free (address);
GNUNET_assert(res != 0);
-
asc (asc_cls, ret);
+ GNUNET_free_non_null (ret);
}
struct Plugin *plugin = cls;
struct IPv4HttpAddress *v4;
struct IPv6HttpAddress *v6;
- unsigned int port;
+ struct IPv4HttpAddress *tv4 = plugin->ipv4_addr_head;
+ struct IPv6HttpAddress *tv6 = plugin->ipv6_addr_head;
GNUNET_assert(cls !=NULL);
if ((addrlen != sizeof (struct IPv4HttpAddress)) &&
(addrlen != sizeof (struct IPv6HttpAddress)))
- {
- return GNUNET_SYSERR;
- }
+ return GNUNET_SYSERR;
if (addrlen == sizeof (struct IPv4HttpAddress))
{
v4 = (struct IPv4HttpAddress *) addr;
- if (INADDR_LOOPBACK == ntohl(v4->ipv4_addr))
- {
- return GNUNET_SYSERR;
- }
- port = ntohs (v4->u_port);
- if (port != plugin->port_inbound)
- {
- return GNUNET_SYSERR;
- }
+ if (plugin->bind4_address!=NULL)
+ {
+ if (0 == memcmp (&plugin->bind4_address->sin_addr, &v4->ipv4_addr, sizeof(uint32_t)))
+ return GNUNET_OK;
+ else
+ return GNUNET_SYSERR;
+ }
+ while (tv4!=NULL)
+ {
+ if (0==memcmp (&tv4->ipv4_addr, &v4->ipv4_addr, sizeof(uint32_t)))
+ break;
+ tv4 = tv4->next;
+ }
+ if (tv4 != NULL)
+ return GNUNET_OK;
+ else
+ return GNUNET_SYSERR;
}
if (addrlen == sizeof (struct IPv6HttpAddress))
{
v6 = (struct IPv6HttpAddress *) addr;
- if (IN6_IS_ADDR_LINKLOCAL (&v6->ipv6_addr))
- {
- return GNUNET_SYSERR;
- }
- port = ntohs (v6->u6_port);
- if (port != plugin->port_inbound)
- {
- return GNUNET_SYSERR;
- }
+ if (plugin->bind6_address!=NULL)
+ {
+ if (0 == memcmp (&plugin->bind6_address->sin6_addr, &v6->ipv6_addr, sizeof(struct in6_addr)))
+ return GNUNET_OK;
+ else
+ return GNUNET_SYSERR;
+ }
+ while (tv6!=NULL)
+ {
+ if (0 == memcmp (&tv6->ipv6_addr, &v6->ipv6_addr, sizeof(struct in6_addr)))
+ break;
+ tv6 = tv6->next;
+ }
+ if (tv6 !=NULL)
+ return GNUNET_OK;
+ else
+ return GNUNET_SYSERR;
}
-
- return GNUNET_OK;
+ return GNUNET_SYSERR;
}
return ret;
}
-/**
- * Add the IP of our network interface to the list of
- * our external IP addresses.
- *
- * @param cls the 'struct Plugin*'
- * @param name name of the interface
- * @param isDefault do we think this may be our default interface
- * @param addr address of the interface
- * @param addrlen number of bytes in addr
- * @return GNUNET_OK to continue iterating
- */
-static int
-process_interfaces (void *cls,
- const char *name,
- int isDefault,
- const struct sockaddr *addr, socklen_t addrlen)
-{
- struct Plugin *plugin = cls;
- struct IPv4HttpAddress * t4;
- struct IPv6HttpAddress * t6;
- int af;
-
- GNUNET_assert(cls !=NULL);
- af = addr->sa_family;
- if (af == AF_INET)
- {
- t4 = GNUNET_malloc(sizeof(struct IPv4HttpAddress));
- if (INADDR_LOOPBACK == ntohl(((struct sockaddr_in *) addr)->sin_addr.s_addr))
- {
- /* skip loopback addresses */
- return GNUNET_OK;
- }
- t4->ipv4_addr = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
- t4->u_port = htons (plugin->port_inbound);
- plugin->env->notify_address(plugin->env->cls,"http",t4, sizeof (struct IPv4HttpAddress), GNUNET_TIME_UNIT_FOREVER_REL);
-
- }
- else if (af == AF_INET6)
- {
- t6 = GNUNET_malloc(sizeof(struct IPv6HttpAddress));
- if (IN6_IS_ADDR_LINKLOCAL (&((struct sockaddr_in6 *) addr)->sin6_addr))
- {
- /* skip link local addresses */
- return GNUNET_OK;
- }
- if (IN6_IS_ADDR_LOOPBACK (&((struct sockaddr_in6 *) addr)->sin6_addr))
- {
- /* skip loopback addresses */
- return GNUNET_OK;
- }
- memcpy (&t6->ipv6_addr,
- &((struct sockaddr_in6 *) addr)->sin6_addr,
- sizeof (struct in6_addr));
- t6->u6_port = htons (plugin->port_inbound);
- plugin->env->notify_address(plugin->env->cls,"http",t6,sizeof (struct IPv6HttpAddress) , GNUNET_TIME_UNIT_FOREVER_REL);
- }
- return GNUNET_OK;
-}
-
-int remove_peer_context_Iterator (void *cls, const GNUNET_HashCode *key, void *value)
-{
- struct HTTP_PeerContext * pc = value;
- struct Session * ps = pc->head;
- struct Session * tmp = NULL;
- struct HTTP_Message * msg = NULL;
- struct HTTP_Message * msg_tmp = NULL;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Freeing context for peer `%s'\n",GNUNET_i2s(&pc->identity));
-
- while (ps!=NULL)
- {
- tmp = ps->next;
-
- GNUNET_free_non_null (ps->addr);
- GNUNET_free(ps->url);
- if (ps->msgtok != NULL)
- GNUNET_SERVER_mst_destroy (ps->msgtok);
-
- msg = ps->pending_msgs_head;
- while (msg!=NULL)
- {
- msg_tmp = msg->next;
- GNUNET_free(msg);
- msg = msg_tmp;
- }
- if (ps->direction==OUTBOUND)
- {
- if (ps->send_endpoint!=NULL)
- curl_easy_cleanup(ps->send_endpoint);
- if (ps->recv_endpoint!=NULL)
- curl_easy_cleanup(ps->recv_endpoint);
- }
-
- GNUNET_free(ps);
- ps=tmp;
- }
- GNUNET_free(pc);
- return GNUNET_YES;
-}
-
/**
* Exit point from the plugin.
*/
void *
-libgnunet_plugin_transport_http_done (void *cls)
+LIBGNUNET_PLUGIN_TRANSPORT_DONE (void *cls)
{
struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
struct Plugin *plugin = api->cls;
CURLMcode mret;
-
+ struct IPv4HttpAddress * ipv4addr;
+ struct IPv6HttpAddress * ipv6addr;
GNUNET_assert(cls !=NULL);
if (plugin->http_server_daemon_v4 != NULL)
- {
- MHD_stop_daemon (plugin->http_server_daemon_v4);
- plugin->http_server_daemon_v4 = NULL;
- }
+ {
+ MHD_stop_daemon (plugin->http_server_daemon_v4);
+ plugin->http_server_daemon_v4 = NULL;
+ }
if (plugin->http_server_daemon_v6 != NULL)
- {
- MHD_stop_daemon (plugin->http_server_daemon_v6);
- plugin->http_server_daemon_v6 = NULL;
- }
-
-
-
+ {
+ MHD_stop_daemon (plugin->http_server_daemon_v6);
+ plugin->http_server_daemon_v6 = NULL;
+ }
if ( plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_server_task_v4);
- plugin->http_server_task_v4 = GNUNET_SCHEDULER_NO_TASK;
- }
-
+ {
+ GNUNET_SCHEDULER_cancel(plugin->http_server_task_v4);
+ plugin->http_server_task_v4 = GNUNET_SCHEDULER_NO_TASK;
+ }
if ( plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_server_task_v6);
- plugin->http_server_task_v6 = GNUNET_SCHEDULER_NO_TASK;
- }
-
- if ( plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_curl_task);
- plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
- }
-
+ {
+ GNUNET_SCHEDULER_cancel(plugin->http_server_task_v6);
+ plugin->http_server_task_v6 = GNUNET_SCHEDULER_NO_TASK;
+ }
+
+ while (plugin->ipv4_addr_head!=NULL)
+ {
+ ipv4addr = plugin->ipv4_addr_head;
+ GNUNET_CONTAINER_DLL_remove(plugin->ipv4_addr_head,plugin->ipv4_addr_tail,ipv4addr);
+ GNUNET_free(ipv4addr);
+ }
+
+ while (plugin->ipv6_addr_head!=NULL)
+ {
+ ipv6addr = plugin->ipv6_addr_head;
+ GNUNET_CONTAINER_DLL_remove(plugin->ipv6_addr_head,plugin->ipv6_addr_tail,ipv6addr);
+ GNUNET_free(ipv6addr);
+ }
+
/* free all peer information */
if (plugin->peers!=NULL)
- {
- GNUNET_CONTAINER_multihashmap_iterate (plugin->peers,
- &remove_peer_context_Iterator,
- NULL);
- GNUNET_CONTAINER_multihashmap_destroy (plugin->peers);
- }
+ {
+ GNUNET_CONTAINER_multihashmap_iterate (plugin->peers,
+ &remove_peer_context_Iterator,
+ plugin);
+ GNUNET_CONTAINER_multihashmap_destroy (plugin->peers);
+ }
if (plugin->multi_handle!=NULL)
- {
- mret = curl_multi_cleanup(plugin->multi_handle);
- if ( CURLM_OK != mret)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"curl multihandle clean up failed\n");
- plugin->multi_handle = NULL;
- }
+ {
+ mret = curl_multi_cleanup(plugin->multi_handle);
+ if (CURLM_OK != mret)
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "curl multihandle clean up failed\n");
+ plugin->multi_handle = NULL;
+ }
+ curl_global_cleanup();
+
+ if ( plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel(plugin->http_curl_task);
+ plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+
+ GNUNET_free_non_null (plugin->bind4_address);
+ GNUNET_free_non_null (plugin->bind6_address);
+ GNUNET_free_non_null(plugin->bind_hostname);
+#if BUILD_HTTPS
+ GNUNET_free_non_null (plugin->crypto_init);
+ GNUNET_free_non_null (plugin->cert);
+ GNUNET_free_non_null (plugin->key);
+#endif
GNUNET_free (plugin);
GNUNET_free (api);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Unload http plugin complete...\n");
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Unload %s plugin complete...\n",
+ PROTOCOL_PREFIX);
+#endif
return NULL;
}
+#if BUILD_HTTPS
+static char *
+load_certificate( const char * file )
+{
+ struct GNUNET_DISK_FileHandle * gn_file;
+ struct stat fstat;
+ char * text = NULL;
+
+ if (0!=STAT(file, &fstat))
+ return NULL;
+ text = GNUNET_malloc (fstat.st_size+1);
+ gn_file = GNUNET_DISK_file_open(file, GNUNET_DISK_OPEN_READ, GNUNET_DISK_PERM_USER_READ);
+ if (gn_file==NULL)
+ {
+ GNUNET_free(text);
+ return NULL;
+ }
+ if (GNUNET_SYSERR == GNUNET_DISK_file_read(gn_file, text, fstat.st_size))
+ {
+ GNUNET_free(text);
+ GNUNET_DISK_file_close(gn_file);
+ return NULL;
+ }
+ text[fstat.st_size] = '\0';
+ GNUNET_DISK_file_close(gn_file);
+ return text;
+}
+#endif
+
/**
* Entry point for the plugin.
*/
void *
-libgnunet_plugin_transport_http_init (void *cls)
+LIBGNUNET_PLUGIN_TRANSPORT_INIT (void *cls)
{
struct GNUNET_TRANSPORT_PluginEnvironment *env = cls;
struct Plugin *plugin;
struct GNUNET_TRANSPORT_PluginFunctions *api;
struct GNUNET_TIME_Relative gn_timeout;
long long unsigned int port;
+ unsigned long long tneigh;
+ char * component_name;
+#if BUILD_HTTPS
+ char * key_file = NULL;
+ char * cert_file = NULL;
+#endif
GNUNET_assert(cls !=NULL);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting http plugin...\n");
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Starting %s plugin...\n",
+ PROTOCOL_PREFIX);
+#endif
+ GNUNET_asprintf(&component_name,
+ "transport-%s",
+ PROTOCOL_PREFIX);
plugin = GNUNET_malloc (sizeof (struct Plugin));
+ plugin->stats = env->stats;
plugin->env = env;
plugin->peers = NULL;
+ plugin->bind4_address = NULL;
+ plugin->bind6_address = NULL;
+ plugin->use_ipv6 = GNUNET_YES;
+ plugin->use_ipv4 = GNUNET_YES;
+ plugin->use_localaddresses = GNUNET_NO;
api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
api->cls = plugin;
api->address_to_string = &http_plugin_address_to_string;
/* Hashing our identity to use it in URLs */
- GNUNET_CRYPTO_hash_to_enc ( &(plugin->env->my_identity->hashPubKey), &plugin->my_ascii_hash_ident);
+ GNUNET_CRYPTO_hash_to_enc (&(plugin->env->my_identity->hashPubKey),
+ &plugin->my_ascii_hash_ident);
+
+ if (GNUNET_CONFIGURATION_have_value (env->cfg, "TRANSPORT", "NEIGHBOUR_LIMIT"))
+ {
+ GNUNET_CONFIGURATION_get_value_number (env->cfg,
+ "TRANSPORT",
+ "NEIGHBOUR_LIMIT",
+ &tneigh);
+ }
+ else
+ {
+ tneigh = -1;
+ }
+ plugin->max_connect_per_transport = tneigh;
+
+
+ /* Use IPv6? */
+ if (GNUNET_CONFIGURATION_have_value (env->cfg,
+ component_name, "USE_IPv6"))
+ {
+ plugin->use_ipv6 = GNUNET_CONFIGURATION_get_value_yesno (env->cfg,
+ component_name,
+ "USE_IPv6");
+ }
+ /* Use IPv4? */
+ if (GNUNET_CONFIGURATION_have_value (env->cfg,
+ component_name, "USE_IPv4"))
+ {
+ plugin->use_ipv4 = GNUNET_CONFIGURATION_get_value_yesno (env->cfg,
+ component_name,"USE_IPv4");
+ }
+ /* use local addresses? */
+
+ if (GNUNET_CONFIGURATION_have_value (env->cfg,
+ component_name, "USE_LOCALADDR"))
+ {
+ plugin->use_localaddresses = GNUNET_CONFIGURATION_get_value_yesno (env->cfg,
+ component_name,
+ "USE_LOCALADDR");
+ }
/* Reading port number from config file */
if ((GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_number (env->cfg,
- "transport-http",
+ component_name,
"PORT",
&port)) ||
(port > 65535) )
{
GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
- "http",
- _
- ("Require valid port number for transport plugin `%s' in configuration!\n"),
- "transport-http");
- libgnunet_plugin_transport_http_done (api);
+ component_name,
+ _("Require valid port number for transport plugin `%s' in configuration!\n"),
+ PROTOCOL_PREFIX);
+ GNUNET_free(component_name);
+ LIBGNUNET_PLUGIN_TRANSPORT_DONE (api);
return NULL;
}
+
+ /* Reading ipv4 addresse to bind to from config file */
+ if ( (plugin->use_ipv4==GNUNET_YES) &&
+ (GNUNET_CONFIGURATION_have_value (env->cfg,
+ component_name, "BINDTO4")))
+ {
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (env->cfg,
+ component_name,
+ "BINDTO4",
+ &plugin->bind_hostname));
+ plugin->bind4_address = GNUNET_malloc(sizeof(struct sockaddr_in));
+ plugin->bind4_address->sin_family = AF_INET;
+ plugin->bind4_address->sin_port = htons (port);
+
+ if (plugin->bind_hostname!=NULL)
+ {
+ if (inet_pton(AF_INET,plugin->bind_hostname, &plugin->bind4_address->sin_addr)<=0)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
+ component_name,
+ _("Misconfigured address to bind to in configuration!\n"));
+ GNUNET_free(plugin->bind4_address);
+ GNUNET_free(plugin->bind_hostname);
+ plugin->bind_hostname = NULL;
+ plugin->bind4_address = NULL;
+ }
+ }
+ }
+
+ /* Reading ipv4 addresse to bind to from config file */
+ if ( (plugin->use_ipv6==GNUNET_YES) &&
+ (GNUNET_CONFIGURATION_have_value (env->cfg,
+ component_name, "BINDTO6")))
+ {
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg,
+ component_name,
+ "BINDTO6",
+ &plugin->bind_hostname))
+ {
+ plugin->bind6_address = GNUNET_malloc(sizeof(struct sockaddr_in6));
+ plugin->bind6_address->sin6_family = AF_INET6;
+ plugin->bind6_address->sin6_port = htons (port);
+ if (plugin->bind_hostname!=NULL)
+ {
+ if (inet_pton(AF_INET6,plugin->bind_hostname, &plugin->bind6_address->sin6_addr)<=0)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
+ component_name,
+ _("Misconfigured address to bind to in configuration!\n"));
+ GNUNET_free(plugin->bind6_address);
+ GNUNET_free(plugin->bind_hostname);
+ plugin->bind_hostname = NULL;
+ plugin->bind6_address = NULL;
+ }
+ }
+ }
+ }
+
+#if BUILD_HTTPS
+ /* Reading HTTPS crypto related configuration */
+ /* Get crypto init string from config */
+ if (GNUNET_CONFIGURATION_have_value (env->cfg,
+ "transport-https", "CRYPTO_INIT"))
+ {
+ GNUNET_CONFIGURATION_get_value_string (env->cfg,
+ "transport-https",
+ "CRYPTO_INIT",
+ &plugin->crypto_init);
+ }
+ else
+ {
+ GNUNET_asprintf(&plugin->crypto_init,"NORMAL");
+ }
+
+ /* Get private key file from config */
+ if (GNUNET_CONFIGURATION_have_value (env->cfg,
+ "transport-https", "KEY_FILE"))
+ {
+ GNUNET_CONFIGURATION_get_value_filename (env->cfg,
+ "transport-https",
+ "KEY_FILE",
+ &key_file);
+ }
+ if (key_file==NULL)
+ GNUNET_asprintf(&key_file,"https.key");
+
+ /* Get private key file from config */
+ if (GNUNET_CONFIGURATION_have_value (env->cfg,"transport-https", "CERT_FILE"))
+ {
+ GNUNET_CONFIGURATION_get_value_filename (env->cfg,
+ "transport-https",
+ "CERT_FILE",
+ &cert_file);
+ }
+ if (cert_file==NULL)
+ GNUNET_asprintf(&cert_file,"https.cert");
+
+ /* read key & certificates from file */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Loading TLS certificate `%s' `%s'\n",
+ key_file, cert_file);
+
+ plugin->key = load_certificate( key_file );
+ plugin->cert = load_certificate( cert_file );
+
+ if ((plugin->key==NULL) || (plugin->cert==NULL))
+ {
+ char * cmd;
+ int ret = 0;
+ GNUNET_asprintf(&cmd,
+ "gnunet-transport-certificate-creation %s %s",
+ key_file, cert_file);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "No usable TLS certificate found, creating certificate \n");
+ ret = system(cmd);
+ if (ret != 0)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
+ "https",
+ _("Could not create a new TLS certificate, shell script `%s' failed!\n"),cmd,
+ "transport-https");
+ GNUNET_free (key_file);
+ GNUNET_free (cert_file);
+ GNUNET_free (component_name);
+ LIBGNUNET_PLUGIN_TRANSPORT_DONE(api);
+ GNUNET_free (cmd);
+ return NULL;
+ }
+ GNUNET_free (cmd);
+ plugin->key = load_certificate( key_file );
+ plugin->cert = load_certificate( cert_file );
+ if ((plugin->key==NULL) || (plugin->cert==NULL))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
+ "https",
+ _("No usable TLS certificate found and creating one failed! \n"),
+ "transport-https");
+ GNUNET_free (key_file);
+ GNUNET_free (cert_file);
+ GNUNET_free (component_name);
+
+ LIBGNUNET_PLUGIN_TRANSPORT_DONE(api);
+ return NULL;
+ }
+ }
+ GNUNET_free (key_file);
+ GNUNET_free (cert_file);
+
+ GNUNET_assert((plugin->key!=NULL) && (plugin->cert!=NULL));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TLS certificate loaded\n");
+#endif
+
GNUNET_assert ((port > 0) && (port <= 65535));
plugin->port_inbound = port;
gn_timeout = GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT;
- unsigned int timeout = (gn_timeout.value) / 1000;
- if ((plugin->http_server_daemon_v4 == NULL) && (plugin->http_server_daemon_v6 == NULL) && (port != 0))
+ unsigned int timeout = (gn_timeout.rel_value) / 1000;
+ if ( (plugin->http_server_daemon_v6 == NULL) &&
+ (plugin->use_ipv6 == GNUNET_YES) &&
+ (port != 0) )
{
- plugin->http_server_daemon_v6 = MHD_start_daemon (
-#if DEBUG_HTTP
- MHD_USE_DEBUG |
-#endif
- MHD_USE_IPv6,
- port,
- &mhd_accept_cb,
- plugin , &mdh_access_cb, plugin,
- MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 32,
- MHD_OPTION_PER_IP_CONNECTION_LIMIT, (unsigned int) 6,
- MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) timeout,
- MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (16 * 1024),
- MHD_OPTION_NOTIFY_COMPLETED, &mhd_termination_cb, NULL,
- MHD_OPTION_END);
- plugin->http_server_daemon_v4 = MHD_start_daemon (
-#if DEBUG_HTTP
- MHD_USE_DEBUG |
-#endif
- MHD_NO_FLAG,
- port,
- &mhd_accept_cb,
- plugin , &mdh_access_cb, plugin,
- MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 32,
- MHD_OPTION_PER_IP_CONNECTION_LIMIT, (unsigned int) 6,
- MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) timeout,
- MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (16 * 1024),
- MHD_OPTION_NOTIFY_COMPLETED, &mhd_termination_cb, NULL,
- MHD_OPTION_END);
+ struct sockaddr * tmp = (struct sockaddr *) plugin->bind6_address;
+ plugin->http_server_daemon_v6 = MHD_start_daemon (
+#if DEBUG_MHD
+ MHD_USE_DEBUG |
+#endif
+#if BUILD_HTTPS
+ MHD_USE_SSL |
+#endif
+ MHD_USE_IPv6,
+ port,
+ &mhd_accept_cb, plugin,
+ &mhd_access_cb, plugin,
+ MHD_OPTION_SOCK_ADDR, tmp,
+ MHD_OPTION_CONNECTION_LIMIT, (unsigned int) plugin->max_connect_per_transport,
+#if BUILD_HTTPS
+ MHD_OPTION_HTTPS_PRIORITIES, plugin->crypto_init,
+ MHD_OPTION_HTTPS_MEM_KEY, plugin->key,
+ MHD_OPTION_HTTPS_MEM_CERT, plugin->cert,
+#endif
+ MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) timeout,
+ MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (2 * GNUNET_SERVER_MAX_MESSAGE_SIZE),
+ MHD_OPTION_NOTIFY_COMPLETED, &mhd_termination_cb, plugin,
+ MHD_OPTION_EXTERNAL_LOGGER, mhd_logger, plugin->mhd_log,
+ MHD_OPTION_END);
+ }
+ if ( (plugin->http_server_daemon_v4 == NULL) &&
+ (plugin->use_ipv4 == GNUNET_YES) &&
+ (port != 0) )
+ {
+ plugin->http_server_daemon_v4 = MHD_start_daemon (
+#if DEBUG_MHD
+ MHD_USE_DEBUG |
+#endif
+#if BUILD_HTTPS
+ MHD_USE_SSL |
+#endif
+ MHD_NO_FLAG,
+ port,
+ &mhd_accept_cb, plugin ,
+ &mhd_access_cb, plugin,
+ MHD_OPTION_SOCK_ADDR, (struct sockaddr_in *) plugin->bind4_address,
+ MHD_OPTION_CONNECTION_LIMIT, (unsigned int) plugin->max_connect_per_transport,
+#if BUILD_HTTPS
+ MHD_OPTION_HTTPS_PRIORITIES, plugin->crypto_init,
+ MHD_OPTION_HTTPS_MEM_KEY, plugin->key,
+ MHD_OPTION_HTTPS_MEM_CERT, plugin->cert,
+#endif
+ MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) timeout,
+ MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (2 * GNUNET_SERVER_MAX_MESSAGE_SIZE),
+ MHD_OPTION_NOTIFY_COMPLETED, &mhd_termination_cb, plugin,
+ MHD_OPTION_EXTERNAL_LOGGER, mhd_logger, plugin->mhd_log,
+ MHD_OPTION_END);
}
if (plugin->http_server_daemon_v4 != NULL)
plugin->http_server_task_v4 = http_server_daemon_prepare (plugin, plugin->http_server_daemon_v4);
if (plugin->http_server_daemon_v6 != NULL)
plugin->http_server_task_v6 = http_server_daemon_prepare (plugin, plugin->http_server_daemon_v6);
-
+
+
if (plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting MHD with IPv4 on port %u\n",port);
- else if (plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting MHD with IPv4 and IPv6 on port %u\n",port);
+ {
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Starting MHD with IPv4 bound to %s with port %u\n",
+ (plugin->bind_hostname!=NULL) ? plugin->bind_hostname : "every address",port);
+#endif
+ }
+ else if ( (plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK) &&
+ (plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK) )
+ {
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Starting MHD with IPv6 bound to %s with port %u\n",
+ (plugin->bind_hostname!=NULL) ? plugin->bind_hostname : "every address", port);
+#endif
+ }
+ else if ( (plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK) &&
+ (plugin->http_server_task_v4 == GNUNET_SCHEDULER_NO_TASK) )
+ {
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Starting MHD with IPv4 and IPv6 bound to %s with port %u\n",
+ (plugin->bind_hostname!=NULL) ? plugin->bind_hostname : "every address",
+ port);
+#endif
+ }
else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No MHD was started, transport plugin not functional!\n");
- libgnunet_plugin_transport_http_done (api);
- return NULL;
- }
-
+ {
+ char * tmp = NULL;
+ if ((plugin->use_ipv6 == GNUNET_YES) && (plugin->use_ipv4 == GNUNET_YES))
+ GNUNET_asprintf(&tmp,"with IPv4 and IPv6 enabled");
+ if ((plugin->use_ipv6 == GNUNET_NO) && (plugin->use_ipv4 == GNUNET_YES))
+ GNUNET_asprintf(&tmp,"with IPv4 enabled");
+ if ((plugin->use_ipv6 == GNUNET_YES) && (plugin->use_ipv4 == GNUNET_NO))
+ GNUNET_asprintf(&tmp,"with IPv6 enabled");
+ if ((plugin->use_ipv6 == GNUNET_NO) && (plugin->use_ipv4 == GNUNET_NO))
+ GNUNET_asprintf(&tmp,"with NO IP PROTOCOL enabled");
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("HTTP Server with %s could not be started on port %u! %s plugin failed!\n"),
+ tmp, port, PROTOCOL_PREFIX);
+ GNUNET_free (tmp);
+ GNUNET_free (component_name);
+ LIBGNUNET_PLUGIN_TRANSPORT_DONE (api);
+ return NULL;
+ }
+
/* Initializing cURL */
curl_global_init(CURL_GLOBAL_ALL);
plugin->multi_handle = curl_multi_init();
-
+
if ( NULL == plugin->multi_handle )
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
- "http",
- _("Could not initialize curl multi handle, failed to start http plugin!\n"),
- "transport-http");
- libgnunet_plugin_transport_http_done (api);
- return NULL;
- }
-
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
+ component_name,
+ _("Could not initialize curl multi handle, failed to start %s plugin!\n"),
+ PROTOCOL_PREFIX);
+ GNUNET_free(component_name);
+ LIBGNUNET_PLUGIN_TRANSPORT_DONE (api);
+ return NULL;
+ }
+
plugin->peers = GNUNET_CONTAINER_multihashmap_create (10);
GNUNET_OS_network_interfaces_list (&process_interfaces, plugin);
-
+
+ GNUNET_free(component_name);
return api;
}
projects / oweals / gnunet.git / blobdiff