*/
#include "platform.h"
+#include "gnunet_common.h"
#include "gnunet_constants.h"
#include "gnunet_protocols.h"
#include "gnunet_connection_lib.h"
#include "microhttpd.h"
#include <curl/curl.h>
+
#define DEBUG_CURL GNUNET_NO
#define DEBUG_HTTP GNUNET_NO
#define DEBUG_CONNECTIONS GNUNET_NO
+#define DEBUG_SESSION_SELECTION GNUNET_YES
#define INBOUND GNUNET_NO
#define OUTBOUND GNUNET_YES
* id for next session
*/
size_t session_id_counter;
+
+ /**
+ * Last session used to send data
+ */
+ struct Session * last_session;
};
* This string is used to distinguish between connections and is added to the urls
*/
struct GNUNET_CRYPTO_HashAsciiEncoded my_ascii_hash_ident;
+
+ struct in_addr * bind_address;
};
const void *addr,
size_t addrlen);
+
+/**
+ * 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 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);
+
+/**
+ * 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 );
+
+
+
static char * create_url(void * cls, const void * addr, size_t addrlen, size_t id)
{
struct Plugin *plugin = cls;
return GNUNET_OK;
}
-static struct Session * get_Session (void * cls, struct HTTP_PeerContext *pc, const void * addr, size_t addr_len)
+int remove_peer_context_Iterator (void *cls, const GNUNET_HashCode *key, void *value)
{
- struct Session * cc = pc->head;
- struct Session * con = NULL;
- unsigned int count = 0;
+ 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;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Freeing context for peer `%s'\n",GNUNET_i2s(&pc->identity));
- GNUNET_assert((addr_len == sizeof (struct IPv4HttpAddress)) || (addr_len == sizeof (struct IPv6HttpAddress)));
- while (cc!=NULL)
+ while (ps!=NULL)
{
- if (addr_len == cc->addrlen)
+ 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);
+ return GNUNET_YES;
+}
+
+/**
+ * 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;
+ struct in_addr bnd_cmp = ((struct sockaddr_in *) addr)->sin_addr;
+
+ GNUNET_assert(cls !=NULL);
+ af = addr->sa_family;
+ if (af == AF_INET)
{
- if (0 == memcmp(cc->addr, addr, addr_len))
+ t4 = GNUNET_malloc(sizeof(struct IPv4HttpAddress));
+ /* Not skipping loopback addresses
+ if (INADDR_LOOPBACK == ntohl(((struct sockaddr_in *) addr)->sin_addr.s_addr))
{
- /* 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;
+
+ return GNUNET_OK;
+ }
+ */
+ t4->ipv4_addr = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
+ t4->u_port = htons (plugin->port_inbound);
+ if (plugin->bind_address != NULL)
+ {
+ if (0 == memcmp(plugin->bind_address, &bnd_cmp, sizeof (struct in_addr)))
+ plugin->env->notify_address(plugin->env->cls,"http",t4, sizeof (struct IPv4HttpAddress), GNUNET_TIME_UNIT_FOREVER_REL);
}
+ else
+ {
+ plugin->env->notify_address(plugin->env->cls,"http",t4, sizeof (struct IPv4HttpAddress), GNUNET_TIME_UNIT_FOREVER_REL);
+ }
+
}
- count++;
- cc=cc->next;
- }
- return con;
+ else if ((af == AF_INET6) && (plugin->bind_address == NULL))
+ {
+ t6 = GNUNET_malloc(sizeof(struct IPv6HttpAddress));
+ if (IN6_IS_ADDR_LINKLOCAL (&((struct sockaddr_in6 *) addr)->sin6_addr))
+ {
+ /* skip link local addresses */
+ return GNUNET_OK;
+ }
+ /* Not skipping loopback addresses
+ if (IN6_IS_ADDR_LOOPBACK (&((struct sockaddr_in6 *) addr)->sin6_addr))
+ {
+
+ 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_NO;
+ return GNUNET_OK;
}
0);
}
-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,
- "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));
-
- pc->plugin->env->receive (pc->plugin->env->cls,
- &pc->identity,
- message, 1, ps,
- ps->addr,
- ps->addrlen);
-}
-
-
/**
* Check if ip is allowed to connect.
*/
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);
}
addr_len = sizeof(struct IPv6HttpAddress);
}
-
- //ps = get_Session(plugin, pc, addr, addr_len);
ps = NULL;
/* only inbound sessions here */
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.
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;
return size * nmemb;
}
-static size_t curl_put_header_function( void *ptr, size_t size, size_t nmemb, void *stream)
+static size_t curl_put_header_cb( void *ptr, size_t size, size_t nmemb, void *stream)
{
struct Session * ps = stream;
return bytes_sent;
}
+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,
+ "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));
+
+ pc->plugin->env->receive (pc->plugin->env->cls,
+ &pc->identity,
+ message, 1, ps,
+ ps->addr,
+ ps->addrlen);
+}
+
+
/**
* Callback method used with libcurl
* Method is called when libcurl needs to write data during sending
}
-/**
- * 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 );
-
-
-
-/**
- * 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
- */
-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;
+ struct CURLMsg *msg;
CURLMcode mret;
- struct HTTP_Message * msg;
-
- struct GNUNET_TIME_Relative timeout = GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT;
+ struct Session *ps = NULL;
+ struct HTTP_PeerContext *pc = NULL;
+ struct HTTP_Message * cur_msg = NULL;
+ long http_result;
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)
+ plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ return;
+
+ do
{
- 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,
- _("Connection: %X: %s failed at %s:%d: `%s'\n"),
- ps,
- "curl_multi_add_handle", __FILE__, __LINE__,
- curl_multi_strerror (mret));
- return GNUNET_SYSERR;
- }
- if (curl_schedule (plugin) == 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,
- _("Connection: %X: %s failed at %s:%d: `%s'\n"),
- ps,
- "curl_multi_add_handle", __FILE__, __LINE__,
- curl_multi_strerror (mret));
- return GNUNET_SYSERR;
- }
- }
- if (curl_schedule (plugin) == GNUNET_SYSERR)
- return GNUNET_SYSERR;
- 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;
-}
-
-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
- {
- running = 0;
- mret = curl_multi_perform (plugin->multi_handle, &running);
- if ((running < handles_last_run) && (running>0))
+ running = 0;
+ mret = curl_multi_perform (plugin->multi_handle, &running);
+ if ((running < handles_last_run) && (running>0))
{
do
{
return GNUNET_OK;
}
+/**
+ * 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
+ */
+static ssize_t send_check_connections (void *cls, struct Session *ps)
+{
+ struct Plugin *plugin = cls;
+ 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_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.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,
+ _("Connection: %X: %s failed at %s:%d: `%s'\n"),
+ ps,
+ "curl_multi_add_handle", __FILE__, __LINE__,
+ curl_multi_strerror (mret));
+ return GNUNET_SYSERR;
+ }
+ if (curl_schedule (plugin) == 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_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.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,
+ _("Connection: %X: %s failed at %s:%d: `%s'\n"),
+ ps,
+ "curl_multi_add_handle", __FILE__, __LINE__,
+ curl_multi_strerror (mret));
+ return GNUNET_SYSERR;
+ }
+ }
+ if (curl_schedule (plugin) == GNUNET_SYSERR)
+ return GNUNET_SYSERR;
+ 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;
+}
+
+static struct Session * send_get_session (void * cls, 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))
+ {
+#ifdef 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))
+ {
+#ifdef 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))
+ {
+#ifdef 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))
+ {
+#ifdef 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))
+ {
+#ifdef 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))
+ {
+#ifdef 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
struct HTTP_PeerContext * pc;
struct Session * ps = NULL;
- struct Session * ps_tmp = NULL;
+ //struct Session * ps_tmp = NULL;
GNUNET_assert(cls !=NULL);
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);
}
- /* 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;
- }
- 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_get_session (plugin, 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 (ps==NULL)
{
if ((addr!=NULL) && (addrlen!=0))
{
+ ps = GNUNET_malloc(sizeof (struct Session));
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));
+ 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 connection to peer %s\n", GNUNET_i2s(target));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection: creating new session %X to peer %s\n", ps, GNUNET_i2s(target));
- ps = GNUNET_malloc(sizeof (struct Session));
if ((addrlen!=0) && (addr!=NULL))
{
ps->addr = GNUNET_malloc(addrlen);
}
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));
+ 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));
return GNUNET_SYSERR;
}
}
GNUNET_CONTAINER_DLL_insert(ps->pending_msgs_head,ps->pending_msgs_tail,msg);
if (send_check_connections (plugin, ps) != GNUNET_SYSERR)
+ {
+ if (force_address != GNUNET_YES)
+ pc->last_session = ps;
+
+ if (pc->last_session==NULL)
+ pc->last_session = ps;
return msg->size;
+ }
else
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));
- /* Not skipping loopback addresses
- if (INADDR_LOOPBACK == ntohl(((struct sockaddr_in *) addr)->sin_addr.s_addr))
- {
-
- 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;
- }
- /* Not skipping loopback addresses
- if (IN6_IS_ADDR_LOOPBACK (&((struct sockaddr_in6 *) addr)->sin6_addr))
- {
-
- 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_NO;
- return GNUNET_OK;
-}
-
-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;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Freeing context for peer `%s'\n",GNUNET_i2s(&pc->identity));
-
- 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);
- return GNUNET_YES;
-}
-
/**
* Exit point from the plugin.
plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
}
+ GNUNET_free_non_null (plugin->bind_address);
GNUNET_free (plugin);
GNUNET_free (api);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Unload http plugin complete...\n");
struct GNUNET_TRANSPORT_PluginFunctions *api;
struct GNUNET_TIME_Relative gn_timeout;
long long unsigned int port;
+ char * hostname;
GNUNET_assert(cls !=NULL);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting http plugin...\n");
plugin->stats = env->stats;
plugin->env = env;
plugin->peers = NULL;
+ plugin->bind_address = GNUNET_malloc(sizeof(struct in_addr*));
api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
api->cls = plugin;
libgnunet_plugin_transport_http_done (api);
return NULL;
}
+
+ /* Reading port number from config file */
+ if (GNUNET_CONFIGURATION_have_value (env->cfg,
+ "transport-http", "BINDTO"))
+ {
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (env->cfg,
+ "transport-http",
+ "BINDTO",
+ &hostname));
+ if (inet_aton(hostname, plugin->bind_address)==0)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,"Misconfigured address to bind to in configuration\n");
+ GNUNET_free(plugin->bind_address);
+ plugin->bind_address = NULL;
+ }
+ }
GNUNET_assert ((port > 0) && (port <= 65535));
plugin->port_inbound = port;
gn_timeout = GNUNET_CONSTANTS_IDLE_CONNECTION_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 |
port,
&mhd_accept_cb,
plugin , &mdh_access_cb, plugin,
+ //MHD_OPTION_SOCK_ADDR, (struct sockaddr *) &in4,
MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 32,
MHD_OPTION_PER_IP_CONNECTION_LIMIT, (unsigned int) 6,
MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) timeout,
projects / oweals / gnunet.git / commitdiff