GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
*/
/**
- * @file transport/plugin_transport_template.c
- * @brief template for a new transport service
- * @author Christian Grothoff
+ * @file transport/plugin_transport_http.c
+ * @brief http transport service plugin
+ * @author Matthias Wachs
*/
#include "platform.h"
+#include "gnunet_common.h"
#include "gnunet_constants.h"
#include "gnunet_protocols.h"
#include "gnunet_connection_lib.h"
-#include "gnunet_server_lib.h"
#include "gnunet_service_lib.h"
#include "gnunet_statistics_service.h"
#include "gnunet_transport_service.h"
#include "gnunet_resolver_service.h"
#include "gnunet_server_lib.h"
+#include "gnunet_container_lib.h"
#include "plugin_transport.h"
#include "gnunet_os_lib.h"
#include "microhttpd.h"
#include <curl/curl.h>
-
-#define DEBUG_CURL GNUNET_NO
#define DEBUG_HTTP GNUNET_NO
+#define DEBUG_CURL GNUNET_NO
+#define DEBUG_CONNECTIONS GNUNET_NO
+#define DEBUG_SESSION_SELECTION GNUNET_NO
+
+#define INBOUND GNUNET_NO
+#define OUTBOUND GNUNET_YES
/**
* Text of the response sent back after the last bytes of a PUT
*/
#define HTTP_CONNECT_TIMEOUT 30
-/**
- * Timeout for a http connect
- */
-#define HTTP_MESSAGE_INITIAL_BUFFERSIZE GNUNET_SERVER_MAX_MESSAGE_SIZE
-
-
-/**
- * Encapsulation of all of the state of the plugin.
- */
-struct Plugin;
/**
* Network format for IPv4 addresses.
/**
* IPv4 address, in network byte order.
*/
- uint32_t ipv4_addr;
+ uint32_t ipv4_addr GNUNET_PACKED;
/**
* Port number, in network byte order.
*/
- uint16_t u_port;
+ uint16_t u_port GNUNET_PACKED;
};
/**
* IPv6 address.
*/
- struct in6_addr ipv6_addr;
+ struct in6_addr ipv6_addr GNUNET_PACKED;
/**
* Port number, in network byte order.
*/
- uint16_t u6_port;
+ uint16_t u6_port GNUNET_PACKED;
};
-
/**
* Message to send using http
*/
struct HTTP_Message
{
/**
- * Next field for linked list
+ * next pointer for double linked list
*/
struct HTTP_Message * next;
+ /**
+ * previous pointer for double linked list
+ */
+ struct HTTP_Message * prev;
+
/**
* buffer containing data to send
*/
size_t pos;
/**
- * amount of data to sent
+ * buffer length
*/
- size_t len;
-
- char * dest_url;
+ size_t size;
/**
* Continuation function to call once the transmission buffer
* Closure for transmit_cont.
*/
void *transmit_cont_cls;
+};
+
+
+struct HTTP_PeerContext
+{
+ /**
+ * peer's identity
+ */
+ struct GNUNET_PeerIdentity identity;
+
+ /**
+ * Pointer to the global plugin struct.
+ */
+ struct Plugin *plugin;
+
+ /**
+ * Linked list of connections with this peer
+ * head
+ */
+ struct Session * head;
+
+ /**
+ * Linked list of connections with this peer
+ * tail
+ */
+ struct Session * tail;
- unsigned int http_result_code;
+ /**
+ * id for next session
+ */
+ size_t session_id_counter;
+
+ /**
+ * Last session used to send data
+ */
+ struct Session * last_session;
};
-/**
- * Session handle for connections.
- */
struct Session
{
+ /**
+ * API requirement.
+ */
+ struct SessionHeader header;
/**
- * Stored in a linked list.
+ * next session in linked list
*/
- struct Session *next;
+ struct Session * next;
/**
- * Pointer to the global plugin struct.
+ * previous session in linked list
*/
- struct Plugin *plugin;
+ struct Session * prev;
/**
- * To whom are we talking to (set to our identity
- * if we are still waiting for the welcome message)
+ * address of this session
*/
- struct GNUNET_PeerIdentity sender;
+ void * addr;
/**
- * Sender's ip address to distinguish between incoming connections
+ * address length
*/
- struct sockaddr_in * addr_inbound;
+ size_t addrlen;
/**
- * Sender's ip address to distinguish between incoming connections
+ * target url
*/
- char * addr_inbound_str;
+ char * url;
+ /**
+ * Message queue for outbound messages
+ * head of queue
+ */
+ struct HTTP_Message * pending_msgs_head;
/**
- * Sender's ip address recieved by transport
+ * Message queue for outbound messages
+ * tail of queue
*/
- struct sockaddr_in * addr_outbound;
+ struct HTTP_Message * pending_msgs_tail;
/**
- * Did we initiate the connection (GNUNET_YES) or the other peer (GNUNET_NO)?
+ * partner peer this connection belongs to
*/
- unsigned int is_client;
+ struct HTTP_PeerContext * peercontext;
/**
- * Is the connection active (GNUNET_YES) or terminated (GNUNET_NO)?
+ * message stream tokenizer for incoming data
*/
- unsigned int is_active;
+ struct GNUNET_SERVER_MessageStreamTokenizer *msgtok;
/**
- * At what time did we reset last_received last?
+ * session direction
+ * outbound: OUTBOUND (GNUNET_YES)
+ * inbound : INBOUND (GNUNET_NO)
*/
- struct GNUNET_TIME_Absolute last_quota_update;
+ unsigned int direction;
/**
- * How many bytes have we received since the "last_quota_update"
- * timestamp?
+ * is session connected to send data?
*/
- uint64_t last_received;
+ unsigned int send_connected;
/**
- * Number of bytes per ms that this peer is allowed
- * to send to us.
+ * is send connection active?
*/
- uint32_t quota;
+ unsigned int send_active;
/**
- * Is there a HTTP/PUT in progress?
+ * connection disconnect forced (e.g. from transport)
*/
- unsigned int is_put_in_progress;
+ unsigned int send_force_disconnect;
/**
- * Is there a HTTP/PUT in progress?
+ * is session connected to receive data?
*/
- unsigned int is_bad_request;
+ unsigned int recv_connected;
/**
- * Encoded hash
+ * is receive connection active?
*/
- struct GNUNET_CRYPTO_HashAsciiEncoded hash;
+ unsigned int recv_active;
- struct HTTP_Message * pending_outbound_msg;;
+ /**
+ * connection disconnect forced (e.g. from transport)
+ */
+ unsigned int recv_force_disconnect;
- struct HTTP_Message * pending_inbound_msg;
+ /**
+ * id for next session
+ * NOTE: 0 is not an ID, zero is not defined. A correct ID is always > 0
+ */
+ size_t session_id;
- CURL *curl_handle;
+ /**
+ * entity managing sending data
+ * outbound session: CURL *
+ * inbound session: mhd_connection *
+ */
+ void * send_endpoint;
- struct GNUNET_SERVER_MessageStreamTokenizer * msgtok;
+ /**
+ * entity managing recieving data
+ * outbound session: CURL *
+ * inbound session: mhd_connection *
+ */
+ void * recv_endpoint;
};
/**
*/
struct GNUNET_TRANSPORT_PluginEnvironment *env;
+ /**
+ * Handle for reporting statistics.
+ */
+ struct GNUNET_STATISTICS_Handle *stats;
+
unsigned int port_inbound;
+ struct GNUNET_CONTAINER_MultiHashMap *peers;
+
+ /**
+ * Daemon for listening for new IPv4 connections.
+ */
+ struct MHD_Daemon *http_server_daemon_v4;
+
+ /**
+ * Daemon for listening for new IPv6connections.
+ */
+ struct MHD_Daemon *http_server_daemon_v6;
+
/**
- * List of open sessions.
+ * Our primary task for http daemon handling IPv4 connections
*/
- struct Session *sessions;
+ GNUNET_SCHEDULER_TaskIdentifier http_server_task_v4;
/**
- * Number of active sessions
+ * Our primary task for http daemon handling IPv6 connections
*/
+ GNUNET_SCHEDULER_TaskIdentifier http_server_task_v6;
- unsigned int session_count;
+ /**
+ * The task sending data
+ */
+ GNUNET_SCHEDULER_TaskIdentifier http_curl_task;
+
+ /**
+ * cURL Multihandle
+ */
+ CURLM * multi_handle;
+
+ /**
+ * 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;
+
+ struct sockaddr_in * bind4_address;
+ struct sockaddr_in6 * bind6_address;
+ char * bind_hostname;
+ int use_ipv6;
+ int use_ipv4;
};
+
/**
- * Daemon for listening for new IPv4 connections.
+ * Function called for a quick conversion of the binary address to
+ * a numeric address. Note that the caller must not free the
+ * address and that the next call to this function is allowed
+ * to override the address again.
+ *
+ * @param cls closure
+ * @param addr binary address
+ * @param addrlen length of the address
+ * @return string representing the same address
*/
-static struct MHD_Daemon *http_daemon_v4;
+static const char*
+http_plugin_address_to_string (void *cls,
+ const void *addr,
+ size_t addrlen);
+
/**
- * Daemon for listening for new IPv6connections.
+ * Call MHD to process pending ipv4 requests and then go back
+ * and schedule the next run.
*/
-static struct MHD_Daemon *http_daemon_v6;
-
+static void http_server_daemon_v4_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
/**
- * Our primary task for http daemon handling IPv4 connections
+ * Call MHD to process pending ipv6 requests and then go back
+ * and schedule the next run.
*/
-static GNUNET_SCHEDULER_TaskIdentifier http_task_v4;
+static void http_server_daemon_v6_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
/**
- * Our primary task for http daemon handling IPv6 connections
+ * 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 GNUNET_SCHEDULER_TaskIdentifier http_task_v6;
-
+static ssize_t send_check_connections (void *cls, struct Session *ps);
/**
- * The task sending data
+ * Function setting up file descriptors and scheduling task to run
+ * @param cls closure
+ * @param ses session to send data to
+ * @param
*/
-static GNUNET_SCHEDULER_TaskIdentifier http_task_send;
+static int curl_schedule(void *cls );
-/**
- * Information about this plugin
- */
-static struct Plugin *plugin;
-/**
- * cURL Multihandle
- */
-static CURLM *multi_handle;
+static char * create_url(void * cls, const void * addr, size_t addrlen, size_t id)
+{
+ struct Plugin *plugin = cls;
+ char *url = NULL;
+
+ GNUNET_assert ((addr!=NULL) && (addrlen != 0));
+ GNUNET_asprintf(&url,
+ "http://%s/%s;%u",
+ http_plugin_address_to_string(NULL, addr, addrlen),
+ (char *) (&plugin->my_ascii_hash_ident),id);
+
+ return url;
+}
/**
- * Our ASCII encoded, hashed peer identity
- * This string is used to distinguish between connections and is added to the urls
+ * Removes a message from the linked list of messages
+ * @param con connection to remove message from
+ * @param msg message to remove
+ * @return GNUNET_SYSERR if msg not found, GNUNET_OK on success
*/
-static struct GNUNET_CRYPTO_HashAsciiEncoded my_ascii_hash_ident;
-
-// MW: please document (which timeout is this!?)
-static struct GNUNET_TIME_Relative timeout;
+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_free(msg);
+ return GNUNET_OK;
+}
/**
- * Finds a http session in our linked list using peer identity as a key
- * @param peer peeridentity
- * @return http session corresponding to peer identity
+ * 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
+ * @return GNUNET_SYSERR if msg not found, GNUNET_OK on success
*/
-static struct Session * find_session_by_pi( const struct GNUNET_PeerIdentity *peer )
+static int remove_session (struct HTTP_PeerContext * pc, struct Session * ps, int call_msg_cont, int call_msg_cont_result)
{
- struct Session * cur;
- GNUNET_HashCode hc_peer;
- GNUNET_HashCode hc_current;
+ struct HTTP_Message * msg;
+ 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);
- cur = plugin->sessions;
- hc_peer = peer->hashPubKey;
- while (cur != NULL)
+ msg = ps->pending_msgs_head;
+ while (msg!=NULL)
{
- hc_current = cur->sender.hashPubKey;
- if ( 0 == GNUNET_CRYPTO_hash_cmp( &hc_peer, &hc_current))
- return cur;
- cur = plugin->sessions->next;
+ if ((call_msg_cont == GNUNET_YES) && (msg->transmit_cont!=NULL))
+ {
+ msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,call_msg_cont_result);
+ }
+ GNUNET_free(msg);
+ GNUNET_CONTAINER_DLL_remove(ps->pending_msgs_head,ps->pending_msgs_head,msg);
+ msg = ps->pending_msgs_head;
}
- return NULL;
+
+ GNUNET_CONTAINER_DLL_remove(pc->head,pc->tail,ps);
+ GNUNET_free(ps);
+ ps = NULL;
+ return GNUNET_OK;
}
-/**
- * Finds a http session in our linked list using libcurl handle as a key
- * Needed when sending data with libcurl to differentiate between sessions
- * @param handle peeridentity
- * @return http session corresponding to peer identity
- */
-static struct Session * find_session_by_curlhandle( CURL* handle )
+int remove_peer_context_Iterator (void *cls, const GNUNET_HashCode *key, void *value)
{
- struct Session * cur;
-
- cur = plugin->sessions;
- while (cur != NULL)
+ 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
+ while (ps!=NULL)
{
- if ( handle == cur->curl_handle )
- return cur;
- cur = plugin->sessions->next;
+ 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;
}
- return NULL;
+ GNUNET_free(pc);
+ return GNUNET_YES;
}
/**
- * Create a new session
+ * Add the IP of our network interface to the list of
+ * our external IP addresses.
*
- * @param addr_in address the peer is using inbound
- * @param addr_out address the peer is using outbound
- * @param peer identity
- * @return created session object
+ * @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 struct Session * create_session (struct sockaddr_in *addr_in, struct sockaddr_in *addr_out, const struct GNUNET_PeerIdentity *peer)
+static int
+process_interfaces (void *cls,
+ const char *name,
+ int isDefault,
+ const struct sockaddr *addr, socklen_t addrlen)
{
- struct Session * ses = GNUNET_malloc ( sizeof( struct Session) );
+ struct Plugin *plugin = cls;
+ struct IPv4HttpAddress * t4;
+ struct IPv6HttpAddress * t6;
+ int af;
- ses->addr_inbound = GNUNET_malloc ( sizeof (struct sockaddr_in) );
- ses->addr_outbound = GNUNET_malloc ( sizeof (struct sockaddr_in) );
- ses->plugin = plugin;
- if ((NULL != addr_in) && (( AF_INET == addr_in->sin_family) || ( AF_INET6 == addr_in->sin_family)))
- {
- memcpy(ses->addr_inbound, addr_in, sizeof (struct sockaddr_in));
- }
- if ((NULL != addr_out) && (( AF_INET == addr_out->sin_family) || ( AF_INET6 == addr_out->sin_family)))
- {
- memcpy(ses->addr_outbound, addr_out, sizeof (struct sockaddr_in));
- }
- memcpy(&ses->sender, peer, sizeof (struct GNUNET_PeerIdentity));
- GNUNET_CRYPTO_hash_to_enc(&ses->sender.hashPubKey,&(ses->hash));
- ses->is_active = GNUNET_NO;
- ses->addr_inbound_str = NULL;
- ses->pending_inbound_msg = GNUNET_malloc( sizeof (struct HTTP_Message));
- ses->pending_inbound_msg->buf = GNUNET_malloc(GNUNET_SERVER_MAX_MESSAGE_SIZE);
- ses->pending_inbound_msg->len = GNUNET_SERVER_MAX_MESSAGE_SIZE;
- ses->pending_inbound_msg->pos = 0;
- ses->msgtok = NULL;
- return ses;
+
+ 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
+ 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);
+ if (plugin->bind4_address != NULL)
+ {
+ if (0 == memcmp(&plugin->bind4_address->sin_addr, &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);
+ }
+ GNUNET_free (t4);
+ }
+ else 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));
+ if (IN6_IS_ADDR_LINKLOCAL (&((struct sockaddr_in6 *) addr)->sin6_addr))
+ {
+ return GNUNET_OK;
+ }
+
+ 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,"http",t6,sizeof (struct IPv6HttpAddress) , GNUNET_TIME_UNIT_FOREVER_REL);
+ }
+ }
+ else
+ {
+ 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);
+ }
+ GNUNET_free (t6);
+ }
+ return GNUNET_OK;
}
+
/**
* Callback called by MHD when a connection is terminated
*/
-static void requestCompletedCallback (void *cls, struct MHD_Connection * connection, void **httpSessionCache)
+static void mhd_termination_cb (void *cls, struct MHD_Connection * connection, void **httpSessionCache)
{
- struct Session * cs;
+ struct Session * ps = *httpSessionCache;
+ if (ps == NULL)
+ return;
+ struct HTTP_PeerContext * pc = ps->peercontext;
- cs = *httpSessionCache;
- if (cs != NULL)
+ if (connection==ps->recv_endpoint)
{
- /*GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection from peer `%s' was terminated\n",GNUNET_i2s(&cs->sender));*/
- /* session set to inactive */
- cs->is_active = GNUNET_NO;
- cs->is_put_in_progress = GNUNET_NO;
+#if DEBUG_CONNECTIONS
+ 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;
}
- return;
-}
+ if (connection==ps->send_endpoint)
+ {
+ 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));
+#endif
+ }
-static void messageTokenizerCallback (void *cls,
- void *client,
- const struct
- GNUNET_MessageHeader *
- message)
+ /* if both connections disconnected, remove session */
+ if ((ps->send_connected == GNUNET_NO) && (ps->recv_connected == 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 * cs;
- GNUNET_assert(cls != NULL);
- cs = (struct Session *) cls;
- plugin->env->receive(plugin->env->cls, &(cs->sender), message, 1, NULL , cs->addr_inbound_str, strlen(cs->addr_inbound_str));
+ struct Session *ps = cls;
+ struct HTTP_PeerContext *pc = ps->peercontext;
+ 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));
+#endif
+ pc->plugin->env->receive (ps->peercontext->plugin->env->cls,
+ &pc->identity,
+ message, 1, ps,
+ NULL,
+ 0);
}
/**
- * Check if we are allowed to connect to the given IP.
+ * Check if ip is allowed to connect.
*/
static int
-acceptPolicyCallback (void *cls,
+mhd_accept_cb (void *cls,
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;
}
+int mhd_send_callback (void *cls, uint64_t pos, char *buf, int max)
+{
+ int bytes_read = 0;
+
+ struct Session * ps = cls;
+ struct HTTP_PeerContext * pc;
+ struct HTTP_Message * msg;
+
+ 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);
+#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);
+ }
+ else
+ {
+ memcpy(buf,&msg->buf[msg->pos],max);
+ msg->pos+=max;
+ bytes_read = max;
+ }
+
+ if (msg->pos==msg->size)
+ {
+ if (NULL!=msg->transmit_cont)
+ msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
+ remove_http_message(ps,msg);
+ }
+ }
+ 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
-accessHandlerCallback (void *cls,
- struct MHD_Connection *session,
+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)
{
+ struct Plugin *plugin = cls;
struct MHD_Response *response;
- struct Session * cs;
- struct Session * cs_temp;
const union MHD_ConnectionInfo * conn_info;
+
struct sockaddr_in *addrin;
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 = NULL;
+ struct Session *ps_tmp = NULL;
+
int res = GNUNET_NO;
- struct GNUNET_MessageHeader *cur_msg;
int send_error_to_client;
+ void * addr;
+ size_t addr_len;
-
- cur_msg = NULL;
+ GNUNET_assert(cls !=NULL);
send_error_to_client = GNUNET_NO;
- if ( NULL == *httpSessionCache)
+ if (NULL == *httpSessionCache)
{
- /* check url for peer identity */
- res = GNUNET_CRYPTO_hash_from_string ( &url[1], &(pi_in.hashPubKey));
+ /* 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 (session, MHD_HTTP_NOT_FOUND, response);
+ 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");
else
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;
+ }
- conn_info = MHD_get_connection_info(session, MHD_CONNECTION_INFO_CLIENT_ADDRESS );
+ 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;
+ 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);
+ }
+
+ 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);
}
/* Incoming IPv6 connection */
if ( AF_INET6 == conn_info->client_addr->sin_family)
{
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);
}
- /* find existing session for address */
- cs = NULL;
- if (plugin->session_count > 0)
- {
- cs = plugin->sessions;
- while ( NULL != cs)
- {
-
- /* Comparison based on ip address */
- // res = (0 == memcmp(&(conn_info->client_addr->sin_addr),&(cs->addr->sin_addr), sizeof (struct in_addr))) ? GNUNET_YES : GNUNET_NO;
- /* Comparison based on ip address, port number and address family */
- // res = (0 == memcmp((conn_info->client_addr),(cs->addr), sizeof (struct sockaddr_in))) ? GNUNET_YES : GNUNET_NO;
+ ps = NULL;
+ /* only inbound sessions here */
- /* Comparison based on PeerIdentity */
- res = (0 == memcmp(&pi_in,&(cs->sender), sizeof (struct GNUNET_PeerIdentity))) ? GNUNET_YES : GNUNET_NO;
-
- if ( GNUNET_YES == res)
- {
- /* existing session for this address found */
- /*GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Session for peer `%s' found\n",GNUNET_i2s(&cs->sender));*/
- break;
- }
- cs = cs->next;
- }
- }
- /* no existing session, create a new one*/
- if (cs == NULL )
+ ps_tmp = pc->head;
+ while (ps_tmp!=NULL)
{
- /* create new session object */
- cs = create_session(conn_info->client_addr, NULL, &pi_in);
-
- /* Insert session into linked list */
- if ( plugin->sessions == NULL)
+ if ((ps_tmp->direction==INBOUND) && (ps_tmp->session_id == id_num) && (id_num!=0))
{
- plugin->sessions = cs;
- plugin->session_count = 1;
+ if ((ps_tmp->recv_force_disconnect!=GNUNET_YES) && (ps_tmp->send_force_disconnect!=GNUNET_YES))
+ ps=ps_tmp;
+ break;
}
- cs_temp = plugin->sessions;
- while ( cs_temp->next != NULL )
- {
- cs_temp = cs_temp->next;
- }
- if (cs_temp != cs )
- {
- cs_temp->next = cs;
- plugin->session_count++;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"New Session `%s' inserted, count %u \n", GNUNET_i2s(&cs->sender), plugin->session_count);
+ ps_tmp=ps_tmp->next;
}
- /* Set closure and update current session*/
- if (*httpSessionCache == NULL)
+ if (ps==NULL)
{
- *httpSessionCache = cs;
- /* Updating session */
- memcpy(cs->addr_inbound,conn_info->client_addr, sizeof(struct sockaddr_in));
- if (cs->addr_inbound_str != NULL)
- GNUNET_free (cs->addr_inbound_str);
- if ( AF_INET == cs->addr_inbound->sin_family)
- {
- GNUNET_asprintf(&cs->addr_inbound_str,"%s:%u",address,ntohs(cs->addr_inbound->sin_port));
- }
-
- if ( AF_INET6 == cs->addr_inbound->sin_family)
- {
- GNUNET_asprintf(&cs->addr_inbound_str,"[%s]:%u",address,ntohs(cs->addr_inbound->sin_port));
-
- }
- if (cs->msgtok==NULL)
- cs->msgtok = GNUNET_SERVER_mst_create (GNUNET_SERVER_MAX_MESSAGE_SIZE, cs, &messageTokenizerCallback, cs);
+ 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);
}
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"HTTP Daemon has new an incoming `%s' request from peer `%s' (`%s')\n",method, GNUNET_i2s(&cs->sender),cs->addr_inbound_str);
- }
- else
- {
- cs = *httpSessionCache;
+
+ *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
}
+
/* Is it a PUT or a GET request */
- if ( 0 == strcmp (MHD_HTTP_METHOD_PUT, method) )
+ if (0 == strcmp (MHD_HTTP_METHOD_PUT, method))
{
- /* New */
- if ((*upload_data_size == 0) && (cs->is_put_in_progress == GNUNET_NO))
+ if (ps->recv_force_disconnect == GNUNET_YES)
{
- if (cs->pending_inbound_msg->pos !=0 )
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Incoming message from peer `%s', while existing message with %u bytes was not forwarded to transport'\n"),
- GNUNET_i2s(&cs->sender), cs->pending_inbound_msg->pos);
- cs->pending_inbound_msg->pos = 0;
- }
- /* not yet ready */
- cs->is_put_in_progress = GNUNET_YES;
- cs->is_bad_request = GNUNET_NO;
- cs->is_active = GNUNET_YES;
- return MHD_YES;
+#if DEBUG_CONNECTIONS
+ 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) && (cs->is_bad_request != GNUNET_YES))
+ if ((*upload_data_size == 0) && (ps->recv_active==GNUNET_NO))
{
- if ((*upload_data_size + cs->pending_inbound_msg->pos < cs->pending_inbound_msg->len) && (*upload_data_size + cs->pending_inbound_msg->pos <= GNUNET_SERVER_MAX_MESSAGE_SIZE))
- {
- /* copy uploaded data to buffer */
- memcpy(&cs->pending_inbound_msg->buf[cs->pending_inbound_msg->pos],upload_data,*upload_data_size);
- cs->pending_inbound_msg->pos += *upload_data_size;
- *upload_data_size = 0;
- return MHD_YES;
- }
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"%u bytes not added to message of %u bytes, message to big\n",*upload_data_size, cs->pending_inbound_msg->pos);
- cs->is_bad_request = GNUNET_YES;
- /* (*upload_data_size) bytes not processed */
- return MHD_YES;
- }
+ 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);
+#endif
+ return MHD_YES;
}
- if ((cs->is_put_in_progress == GNUNET_YES) && (cs->is_bad_request == GNUNET_YES))
+ /* Transmission of all data complete */
+ if ((*upload_data_size == 0) && (ps->recv_active == GNUNET_YES))
{
- *upload_data_size = 0;
response = MHD_create_response_from_data (strlen (HTTP_PUT_RESPONSE),HTTP_PUT_RESPONSE, MHD_NO, MHD_NO);
- res = MHD_queue_response (session, MHD_HTTP_REQUEST_ENTITY_TOO_LARGE, response);
- if (res == MHD_YES)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Sent HTTP/1.1: 413 Request Entity Too Large as PUT Response\n");
- cs->is_bad_request = GNUNET_NO;
- cs->is_put_in_progress =GNUNET_NO;
- cs->pending_inbound_msg->pos = 0;
- }
+ 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);
+#endif
MHD_destroy_response (response);
+ ps->recv_active=GNUNET_NO;
return MHD_YES;
}
- if ((*upload_data_size == 0) && (cs->is_put_in_progress == GNUNET_YES) && (cs->is_bad_request == GNUNET_NO))
+ /* Recieving data */
+ if ((*upload_data_size > 0) && (ps->recv_active == GNUNET_YES))
{
- send_error_to_client = GNUNET_YES;
- cur_msg = NULL;
- /* split and check messages and forward here */
- /* checking size */
-
- if (cs->pending_inbound_msg->pos >= sizeof (struct GNUNET_MessageHeader))
- {
- cur_msg = (struct GNUNET_MessageHeader *) cs->pending_inbound_msg->buf;
- //unsigned int len = ntohs (cur_msg->size);
-
- res = GNUNET_SERVER_mst_receive(cs->msgtok,cs->pending_inbound_msg->buf,cs->pending_inbound_msg->pos, GNUNET_NO, GNUNET_NO);
- if ((res != GNUNET_SYSERR) && (res != GNUNET_NO))
- send_error_to_client = GNUNET_NO;
-#if 0
- if (len == cs->pending_inbound_msg->pos)
- {
- if ( AF_INET == cs->addr_inbound->sin_family)
- {
- inet_ntop(AF_INET, &(cs->addr_inbound)->sin_addr,address,INET_ADDRSTRLEN);
- GNUNET_asprintf(&tmp,"%s:%u",address,ntohs(cs->addr_inbound->sin_port));
- }
-
- if ( AF_INET6 == cs->addr_inbound->sin_family)
- {
- inet_ntop(AF_INET6, &((struct sockaddr_in6 *) cs->addr_inbound)->sin6_addr,address,INET6_ADDRSTRLEN);
- GNUNET_asprintf(&tmp,"[%s]:%u",address,ntohs(cs->addr_inbound->sin_port));
-
- }
- plugin->env->receive(plugin->env->cls, &(cs->sender), cur_msg, 1, NULL , tmp, strlen(tmp));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Forwarded 1 message with %u bytes of data to transport service\n", cs->pending_inbound_msg->pos);
- GNUNET_free(tmp);
- send_error_to_client = GNUNET_NO;
- }
- if (len < cs->pending_inbound_msg->pos)
- {
- /* more than one message in recieved data, have to split up*/
- char * tmp = NULL;
- unsigned int bytes_proc = 0;
- unsigned int c_msgs = 0;
- unsigned int len;
- /* one message in recieved data, can pass directly*/
- if ( AF_INET == cs->addr_inbound->sin_family)
- {
- inet_ntop(AF_INET, &(cs->addr_inbound)->sin_addr,address,INET_ADDRSTRLEN);
- GNUNET_asprintf(&tmp,"%s:%u",address,ntohs(cs->addr_inbound->sin_port));
- }
-
- if ( AF_INET6 == cs->addr_inbound->sin_family)
- {
- inet_ntop(AF_INET6, &((struct sockaddr_in6 *) cs->addr_inbound)->sin6_addr,address,INET6_ADDRSTRLEN);
- GNUNET_asprintf(&tmp,"[%s]:%u",address,ntohs(cs->addr_inbound->sin_port));
-
- }
- send_error_to_client = GNUNET_NO;
- while (bytes_proc < cs->pending_inbound_msg->pos)
- {
- cur_msg = (struct GNUNET_MessageHeader *) &cs->pending_inbound_msg->buf[bytes_proc];
- len = ntohs (cur_msg->size);
- if ((bytes_proc+len) <=cs->pending_inbound_msg->pos)
- {
- plugin->env->receive(plugin->env->cls, &(cs->sender), cur_msg, 1, NULL , tmp, strlen(tmp));
- bytes_proc += ntohs(cur_msg->size);
- c_msgs++;
- }
- else
- {
- send_error_to_client = GNUNET_YES;
- break;
- }
- }
-
- if (send_error_to_client == GNUNET_NO)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Forwarded %u messages with %u bytes of data to transport service\n",
- c_msgs, bytes_proc);
- else
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,"Forwarded %u messages with %u bytes, last msg was inconsistent, %u bytes left\n",
- c_msgs, bytes_proc,cs->pending_inbound_msg->pos-bytes_proc);
- GNUNET_free(tmp);
- }
- if (len > cs->pending_inbound_msg->pos)
- {
- /* message size bigger than data recieved -> malformed */
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Recieved malformed message: size in header %u bytes, recieved: %u \n", len, cs->pending_inbound_msg->pos);
- }
-#endif
- }
-
- if (send_error_to_client == GNUNET_NO)
- {
- response = MHD_create_response_from_data (strlen (HTTP_PUT_RESPONSE),HTTP_PUT_RESPONSE, MHD_NO, MHD_NO);
- res = MHD_queue_response (session, MHD_HTTP_OK, response);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Sent HTTP/1.1: 200 OK as PUT Response\n",HTTP_PUT_RESPONSE, strlen (HTTP_PUT_RESPONSE), res );
- MHD_destroy_response (response);
- }
- else
- {
- response = MHD_create_response_from_data (strlen (HTTP_PUT_RESPONSE),HTTP_PUT_RESPONSE, MHD_NO, MHD_NO);
- res = MHD_queue_response (session, MHD_HTTP_BAD_REQUEST, response);
- MHD_destroy_response (response);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Sent HTTP/1.1: 400 BAD REQUEST as PUT Response\n");
- }
-
- //GNUNET_free_non_null (cur_msg);
- cs->is_put_in_progress = GNUNET_NO;
- cs->is_bad_request = GNUNET_NO;
- cs->pending_inbound_msg->pos = 0;
- return res;
+ res = GNUNET_SERVER_mst_receive(ps->msgtok, ps, upload_data,*upload_data_size, GNUNET_NO, GNUNET_NO);
+ (*upload_data_size) = 0;
+ return MHD_YES;
}
+ else
+ return MHD_NO;
}
if ( 0 == strcmp (MHD_HTTP_METHOD_GET, method) )
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Got GET Request\n");
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"URL: `%s'\n",url);
- response = MHD_create_response_from_data (strlen (HTTP_PUT_RESPONSE),HTTP_PUT_RESPONSE, MHD_NO, MHD_NO);
- res = MHD_queue_response (session, MHD_HTTP_OK, response);
- MHD_destroy_response (response);
- return res;
+ 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);
+#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_force_disconnect = GNUNET_NO;
+#if DEBUG_CONNECTIONS
+ 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;
}
return MHD_NO;
}
-
-/**
- * Call MHD to process pending requests and then go back
- * and schedule the next run.
- */
-static void http_daemon_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
-
/**
* Function that queries MHD's select sets and
* starts the task waiting for them.
*/
static GNUNET_SCHEDULER_TaskIdentifier
-http_daemon_prepare (struct MHD_Daemon *daemon_handle)
+http_server_daemon_prepare (void * cls, 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);
FD_ZERO(&es);
GNUNET_NETWORK_fdset_copy_native (wrs, &rs, max);
GNUNET_NETWORK_fdset_copy_native (wws, &ws, max);
GNUNET_NETWORK_fdset_copy_native (wes, &es, max);
- ret = GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK,
- tv,
- wrs,
- wws,
- &http_daemon_run,
- daemon_handle);
+ if (daemon_handle == plugin->http_server_daemon_v4)
+ {
+ if (plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_server_task_v4);
+ plugin->http_server_daemon_v4 = GNUNET_SCHEDULER_NO_TASK;
+ }
+
+ 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 (daemon_handle == plugin->http_server_daemon_v6)
+ {
+ 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;
+ }
+
+ 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);
+ }
GNUNET_NETWORK_fdset_destroy (wrs);
GNUNET_NETWORK_fdset_destroy (wws);
GNUNET_NETWORK_fdset_destroy (wes);
* Call MHD to process pending requests and then go back
* and schedule the next run.
*/
-static void http_daemon_run (void *cls,
+static void http_server_daemon_v4_run (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct MHD_Daemon *daemon_handle = cls;
-
- if (daemon_handle == http_daemon_v4)
- http_task_v4 = GNUNET_SCHEDULER_NO_TASK;
+ struct Plugin *plugin = cls;
- if (daemon_handle == http_daemon_v6)
- http_task_v6 = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_assert(cls !=NULL);
+ plugin->http_server_task_v4 = GNUNET_SCHEDULER_NO_TASK;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
- GNUNET_assert (MHD_YES == MHD_run (daemon_handle));
- if (daemon_handle == http_daemon_v4)
- http_task_v4 = http_daemon_prepare (daemon_handle);
- if (daemon_handle == http_daemon_v6)
- http_task_v6 = http_daemon_prepare (daemon_handle);
+ 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;
}
+
/**
- * Removes a message from the linked list of messages
- * @param ses session to remove message from
- * @param msg message to remove
- * @return GNUNET_SYSERR if msg not found, GNUNET_OK on success
+ * Call MHD to process pending requests and then go back
+ * and schedule the next run.
*/
-
-static int remove_http_message(struct Session * ses, struct HTTP_Message * msg)
+static void http_server_daemon_v6_run (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct HTTP_Message * cur;
- struct HTTP_Message * next;
+ struct Plugin *plugin = cls;
- cur = ses->pending_outbound_msg;
- next = NULL;
+ GNUNET_assert(cls !=NULL);
+ plugin->http_server_task_v6 = GNUNET_SCHEDULER_NO_TASK;
- if (cur == NULL)
- return GNUNET_SYSERR;
-
- if (cur == msg)
- {
- ses->pending_outbound_msg = cur->next;
- GNUNET_free (cur->buf);
- GNUNET_free (cur->dest_url);
- GNUNET_free (cur);
- cur = NULL;
- return GNUNET_OK;
- }
-
- while (cur->next!=msg)
- {
- if (cur->next != NULL)
- cur = cur->next;
- else
- return GNUNET_SYSERR;
- }
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ return;
- cur->next = cur->next->next;
- GNUNET_free (cur->next->buf);
- GNUNET_free (cur->next->dest_url);
- GNUNET_free (cur->next);
- cur->next = NULL;
- return GNUNET_OK;
+ 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;
}
-
-static size_t 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;
- struct Session * ses = stream;
+ long http_result = 0;
+ int res;
+ /* Getting last http result code */
+ 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;
+#if DEBUG_CONNECTIONS
+ 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);
+ }
+ }
+ }
tmp = NULL;
if ((size * nmemb) < SIZE_MAX)
if (tmp[len-2] == 13)
tmp[len-2]= '\0';
}
-#if DEBUG_CURL
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Header: `%s'\n",tmp);
-#endif
- if (0==strcmp (tmp,"HTTP/1.1 100 Continue"))
- {
- ses->pending_outbound_msg->http_result_code=100;
- }
- if (0==strcmp (tmp,"HTTP/1.1 200 OK"))
- {
- ses->pending_outbound_msg->http_result_code=200;
- }
- if (0==strcmp (tmp,"HTTP/1.1 400 Bad Request"))
+ }
+ if (NULL != tmp)
+ GNUNET_free (tmp);
+
+ return size * nmemb;
+}
+
+static size_t curl_put_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);
+ 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))
{
- ses->pending_outbound_msg->http_result_code=400;
+ 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);
+#endif
}
- if (0==strcmp (tmp,"HTTP/1.1 404 Not Found"))
+ if ((http_result == 200) && (ps->send_connected==GNUNET_YES))
{
- ses->pending_outbound_msg->http_result_code=404;
+ 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);
+#endif
}
- if (0==strcmp (tmp,"HTTP/1.1 413 Request Entity Too Large"))
+ }
+
+ tmp = NULL;
+ if ((size * nmemb) < SIZE_MAX)
+ tmp = GNUNET_malloc (len+1);
+
+ if ((tmp != NULL) && (len > 0))
+ {
+ memcpy(tmp,ptr,len);
+ if (len>=2)
{
- ses->pending_outbound_msg->http_result_code=413;
+ if (tmp[len-2] == 13)
+ tmp[len-2]= '\0';
}
}
if (NULL != tmp)
* @param ptr source pointer, passed to the libcurl handle
* @return bytes written to stream
*/
-static size_t send_read_callback(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 * ses = ptr;
- struct HTTP_Message * msg = ses->pending_outbound_msg;
+ struct Session * ps = ptr;
+ struct HTTP_Message * msg = ps->pending_msgs_tail;
size_t bytes_sent;
size_t len;
+ if (ps->send_active == GNUNET_NO)
+ 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);
+#endif
+ ps->send_active = GNUNET_NO;
+ return CURL_READFUNC_PAUSE;
+ }
+
+ msg = ps->pending_msgs_tail;
/* data to send */
- if (( msg->pos < msg->len))
+ if (msg->pos < msg->size)
{
/* data fit in buffer */
- if ((msg->len - msg->pos) <= (size * nmemb))
+ if ((msg->size - msg->pos) <= (size * nmemb))
{
- len = (msg->len - msg->pos);
+ len = (msg->size - msg->pos);
memcpy(stream, &msg->buf[msg->pos], len);
msg->pos += len;
bytes_sent = len;
/* no data to send */
else
{
- bytes_sent = 0;
- }
- return bytes_sent;
-}
-
-/**
-* Callback method used with libcurl
-* Method is called when libcurl needs to write data during sending
-* @param stream pointer where to write data
-* @param size size of an individual element
-* @param nmemb count of elements that can be written to the buffer
-* @param ptr destination pointer, passed to the libcurl handle
-* @return bytes read from stream
-*/
-static size_t send_write_callback( void *stream, size_t size, size_t nmemb, void *ptr)
-{
- char * data = NULL;
-
- if ((size * nmemb) < SIZE_MAX)
- data = GNUNET_malloc(size*nmemb +1);
- if (data != NULL)
- {
- memcpy( data, stream, size*nmemb);
- data[size*nmemb] = '\0';
- free (data);
- }
- return (size * nmemb);
-
-}
-
-/**
- * Function setting up file descriptors and scheduling task to run
- * @param ses session to send data to
- * @return bytes sent to peer
- */
-static size_t send_prepare(struct Session* ses );
-
-/**
- * Function setting up curl handle and selecting message to send
- * @param ses session to send data to
- * @return bytes sent to peer
- */
-static ssize_t send_select_init (struct Session* ses )
-{
- int bytes_sent = 0;
- CURLMcode mret;
- struct HTTP_Message * msg;
+ bytes_sent = 0;
+ }
- if ( NULL == ses->curl_handle)
- ses->curl_handle = curl_easy_init();
- if( NULL == ses->curl_handle)
+ if ( msg->pos == msg->size)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Getting cURL handle failed\n");
- return -1;
+#if DEBUG_CONNECTIONS
+ 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);
}
- msg = ses->pending_outbound_msg;
+ 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);
+#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
+ pc->plugin->env->receive (pc->plugin->env->cls,
+ &pc->identity,
+ message, 1, ps,
+ ps->addr,
+ ps->addrlen);
+}
-#if DEBUG_CURL
- curl_easy_setopt(ses->curl_handle, CURLOPT_VERBOSE, 1L);
+/**
+* Callback method used with libcurl
+* Method is called when libcurl needs to write data during sending
+* @param stream pointer where to write data
+* @param size size of an individual element
+* @param nmemb count of elements that can be written to the buffer
+* @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)
+{
+ struct Session * ps = ptr;
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: %u bytes received\n",ps, size*nmemb);
#endif
- curl_easy_setopt(ses->curl_handle, CURLOPT_URL, msg->dest_url);
- curl_easy_setopt(ses->curl_handle, CURLOPT_PUT, 1L);
- curl_easy_setopt(ses->curl_handle, CURLOPT_HEADERFUNCTION, &header_function);
- curl_easy_setopt(ses->curl_handle, CURLOPT_WRITEHEADER, ses);
- curl_easy_setopt(ses->curl_handle, CURLOPT_READFUNCTION, send_read_callback);
- curl_easy_setopt(ses->curl_handle, CURLOPT_READDATA, ses);
- curl_easy_setopt(ses->curl_handle, CURLOPT_WRITEFUNCTION, send_write_callback);
- curl_easy_setopt(ses->curl_handle, CURLOPT_READDATA, ses);
- curl_easy_setopt(ses->curl_handle, CURLOPT_INFILESIZE_LARGE, (curl_off_t) msg->len);
- curl_easy_setopt(ses->curl_handle, CURLOPT_TIMEOUT, (long) (timeout.value / 1000 ));
- curl_easy_setopt(ses->curl_handle, CURLOPT_CONNECTTIMEOUT, HTTP_CONNECT_TIMEOUT);
- curl_easy_setopt(ses->curl_handle, CURLOPT_BUFFERSIZE, GNUNET_SERVER_MAX_MESSAGE_SIZE);
-
- mret = curl_multi_add_handle(multi_handle, ses->curl_handle);
- 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 -1;
- }
- bytes_sent = send_prepare (ses );
- return bytes_sent;
+ GNUNET_SERVER_mst_receive(ps->msgtok, ps, stream, size*nmemb, GNUNET_NO, GNUNET_NO);
+ return (size * nmemb);
+
}
-static void send_execute (void *cls,
+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 * cs = NULL;
+ struct Session *ps = NULL;
+ struct HTTP_PeerContext *pc = NULL;
+ struct HTTP_Message * cur_msg = NULL;
+ long http_result;
+
+ GNUNET_assert(cls !=NULL);
- http_task_send = GNUNET_SCHEDULER_NO_TASK;
+ plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
do
{
running = 0;
- mret = curl_multi_perform (multi_handle, &running);
- if (running < handles_last_run)
+ mret = curl_multi_perform (plugin->multi_handle, &running);
+ if ((running < handles_last_run) && (running>0))
{
do
{
- msg = curl_multi_info_read (multi_handle, &running);
- GNUNET_break (msg != NULL);
- if (msg == NULL)
- break;
+ 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 );
- cs = find_session_by_curlhandle (msg->easy_handle);
- GNUNET_assert ( cs != NULL );
- GNUNET_assert ( cs->pending_outbound_msg != 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) )
- {
-
- GNUNET_log(GNUNET_ERROR_TYPE_INFO,
- _("%s failed for `%s' at %s:%d: `%s'\n"),
- "curl_multi_perform",
- GNUNET_i2s(&cs->sender),
- __FILE__,
- __LINE__,
- curl_easy_strerror (msg->data.result));
+ {
/* sending msg failed*/
- if (( NULL != cs->pending_outbound_msg) && ( NULL != cs->pending_outbound_msg->transmit_cont))
- cs->pending_outbound_msg->transmit_cont (cs->pending_outbound_msg->transmit_cont_cls,&cs->sender,GNUNET_SYSERR);
+ 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
{
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Send to peer `%s' completed with code %u\n", GNUNET_i2s(&cs->sender),cs->pending_outbound_msg->http_result_code);
-
- curl_easy_cleanup(cs->curl_handle);
- cs->curl_handle=NULL;
-
- /* Calling transmit continuation */
- if (( NULL != cs->pending_outbound_msg) && (NULL != cs->pending_outbound_msg->transmit_cont))
+ if (msg->easy_handle == ps->send_endpoint)
{
- /* HTTP 1xx : Last message before here was informational */
- if ((cs->pending_outbound_msg->http_result_code >=100) && (cs->pending_outbound_msg->http_result_code < 200))
- cs->pending_outbound_msg->transmit_cont (cs->pending_outbound_msg->transmit_cont_cls,&cs->sender,GNUNET_OK);
- /* HTTP 2xx: successful operations */
- if ((cs->pending_outbound_msg->http_result_code >=200) && (cs->pending_outbound_msg->http_result_code < 300))
- cs->pending_outbound_msg->transmit_cont (cs->pending_outbound_msg->transmit_cont_cls,&cs->sender,GNUNET_OK);
- /* HTTP 3xx..5xx: error */
- if ((cs->pending_outbound_msg->http_result_code >=300) && (cs->pending_outbound_msg->http_result_code < 600))
- cs->pending_outbound_msg->transmit_cont (cs->pending_outbound_msg->transmit_cont_cls,&cs->sender,GNUNET_SYSERR);
+ 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 (GNUNET_OK != remove_http_message(cs, cs->pending_outbound_msg))
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Message could not be removed from session `%s'", GNUNET_i2s(&cs->sender));
-
- /* send pending messages */
- if (cs->pending_outbound_msg != NULL)
+ if (msg->easy_handle == ps->recv_endpoint)
{
- send_select_init (cs);
+#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;
}
}
- return;
+ if ((ps->recv_connected == GNUNET_NO) && (ps->send_connected == GNUNET_NO))
+ remove_session (pc, ps, GNUNET_YES, GNUNET_SYSERR);
+ break;
default:
break;
}
handles_last_run = running;
}
while (mret == CURLM_CALL_MULTI_PERFORM);
- send_prepare(cls);
+ curl_schedule(plugin);
}
/**
* Function setting up file descriptors and scheduling task to run
* @param ses session to send data to
- * @return bytes sent to peer
+ * @return GNUNET_SYSERR for hard failure, GNUNET_OK for ok
*/
-static size_t send_prepare(struct Session* ses )
+static int curl_schedule(void *cls )
{
+ 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->env->sched, plugin->http_curl_task);
+ plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+
max = -1;
FD_ZERO (&rs);
FD_ZERO (&ws);
FD_ZERO (&es);
- mret = curl_multi_fdset (multi_handle, &rs, &ws, &es, &max);
+ mret = curl_multi_fdset (plugin->multi_handle, &rs, &ws, &es, &max);
if (mret != CURLM_OK)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("%s failed at %s:%d: `%s'\n"),
"curl_multi_fdset", __FILE__, __LINE__,
curl_multi_strerror (mret));
- return -1;
+ return GNUNET_SYSERR;
}
- mret = curl_multi_timeout (multi_handle, &to);
+ mret = curl_multi_timeout (plugin->multi_handle, &to);
if (mret != CURLM_OK)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("%s failed at %s:%d: `%s'\n"),
"curl_multi_timeout", __FILE__, __LINE__,
curl_multi_strerror (mret));
- return -1;
+ return GNUNET_SYSERR;
}
grs = GNUNET_NETWORK_fdset_create ();
gws = GNUNET_NETWORK_fdset_create ();
GNUNET_NETWORK_fdset_copy_native (grs, &rs, max + 1);
GNUNET_NETWORK_fdset_copy_native (gws, &ws, max + 1);
- http_task_send = GNUNET_SCHEDULER_add_select (plugin->env->sched,
+ 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,
- &send_execute,
- ses);
+ &curl_perform,
+ plugin);
GNUNET_NETWORK_fdset_destroy (gws);
GNUNET_NETWORK_fdset_destroy (grs);
+ 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;
+}
- /* FIXME: return bytes REALLY sent */
- return 0;
+static struct Session * send_select_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))
+ {
+#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.
+ * a message using the plugin. Note that in the case of a
+ * peer disconnecting, the continuation MUST be called
+ * prior to the disconnect notification itself. This function
+ * will be called with this peer's HELLO message to initiate
+ * a fresh connection to another peer.
*
* @param cls closure
* @param target who should receive this message
- * @param priority how important is the message
* @param msgbuf the message to transmit
* @param msgbuf_size number of bytes in 'msgbuf'
- * @param to when should we time out
+ * @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
+ * require plugins to discard the message after the timeout,
+ * just advisory for the desired delay; most plugins will ignore
+ * this as well)
* @param session which session must be used (or NULL for "any")
* @param addr the address to use (can be NULL if the plugin
* is "on its own" (i.e. re-use existing TCP connection))
* @param addrlen length of the address in bytes
* @param force_address GNUNET_YES if the plugin MUST use the given address,
- * otherwise the plugin may use other addresses or
- * existing connections (if available)
+ * GNUNET_NO means the plugin may use any other address and
+ * GNUNET_SYSERR means that only reliable existing
+ * bi-directional connections should be used (regardless
+ * of address)
* @param cont continuation to call once the message has
* been transmitted (or if the transport is ready
* for the next transmission call; or if the
- * peer disconnected...)
+ * peer disconnected...); can be NULL
* @param cont_cls closure for cont
* @return number of bytes used (on the physical network, with overheads);
* -1 on hard errors (i.e. address invalid); 0 is a legal value
*/
static ssize_t
http_plugin_send (void *cls,
- const struct GNUNET_PeerIdentity *target,
- const char *msgbuf,
- size_t msgbuf_size,
- unsigned int priority,
- struct GNUNET_TIME_Relative to,
- struct Session *session,
- const void *addr,
- size_t addrlen,
- int force_address,
- GNUNET_TRANSPORT_TransmitContinuation cont,
- void *cont_cls)
+ const struct GNUNET_PeerIdentity *target,
+ const char *msgbuf,
+ size_t msgbuf_size,
+ unsigned int priority,
+ struct GNUNET_TIME_Relative to,
+ struct Session *session,
+ const void *addr,
+ size_t addrlen,
+ int force_address,
+ GNUNET_TRANSPORT_TransmitContinuation cont,
+ void *cont_cls)
{
- char * address;
- char * url;
- struct Session* ses;
- struct Session* ses_temp;
- struct HTTP_Message * msg;
- struct HTTP_Message * tmp;
- int bytes_sent = 0;
-
- url = NULL;
- address = NULL;
- /* find session for peer */
- ses = find_session_by_pi (target);
- /* if (NULL != ses ) GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Existing session for peer `%s' found\n", GNUNET_i2s(target));*/
- if ( ses == NULL)
- {
- /* create new session object */
+ struct Plugin *plugin = cls;
+ struct HTTP_Message *msg;
+ struct HTTP_PeerContext * pc;
+ struct Session * ps = NULL;
- ses = create_session(NULL, (struct sockaddr_in *) addr, target);
- ses->is_active = GNUNET_YES;
+ GNUNET_assert(cls !=NULL);
- /* Insert session into linked list */
- if ( plugin->sessions == NULL)
- {
- plugin->sessions = ses;
- plugin->session_count = 1;
- }
- ses_temp = plugin->sessions;
- while ( ses_temp->next != NULL )
- {
- ses_temp = ses_temp->next;
- }
- if (ses_temp != ses )
- {
- ses_temp->next = ses;
- plugin->session_count++;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "New Session `%s' inserted, count %u\n", GNUNET_i2s(target), plugin->session_count);
+#if DEBUG_HTTP
+ char * force = GNUNET_malloc(40);
+ 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_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;
+ 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_assert (addr!=NULL);
- unsigned int port;
+ ps = send_select_session (plugin, pc, addr, addrlen, force_address, session);
- /* setting url to send to */
- if (force_address == GNUNET_YES)
+ /* session not existing, but address forced -> creating new session */
+ if (ps==NULL)
{
- if (addrlen == (sizeof (struct IPv4HttpAddress)))
+ if ((addr!=NULL) && (addrlen!=0))
{
- address = GNUNET_malloc(INET_ADDRSTRLEN + 1);
- inet_ntop(AF_INET, &((struct IPv4HttpAddress *) addr)->ipv4_addr,address,INET_ADDRSTRLEN);
- port = ntohs(((struct IPv4HttpAddress *) addr)->u_port);
- GNUNET_asprintf (&url,
- "http://%s:%u/%s",
- address,
- port,
- (char *) (&my_ascii_hash_ident));
- GNUNET_free(address);
+ 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
+ if ((addrlen!=0) && (addr!=NULL))
+ {
+ ps->addr = GNUNET_malloc(addrlen);
+ memcpy(ps->addr,addr,addrlen);
+ ps->addrlen = addrlen;
+ }
+ 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 if (addrlen == (sizeof (struct IPv6HttpAddress)))
+ else
{
- address = GNUNET_malloc(INET6_ADDRSTRLEN + 1);
- inet_ntop(AF_INET6, &((struct IPv6HttpAddress *) addr)->ipv6_addr,address,INET6_ADDRSTRLEN);
- port = ntohs(((struct IPv6HttpAddress *) addr)->u6_port);
- GNUNET_asprintf(&url,
- "http://%s:%u/%s",
- address,port,(char *) (&my_ascii_hash_ident));
- GNUNET_free(address);
+#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;
}
}
- timeout = to;
- /* setting up message */
- msg = GNUNET_malloc (sizeof (struct HTTP_Message));
+
+ /* create msg */
+ msg = GNUNET_malloc (sizeof (struct HTTP_Message) + msgbuf_size);
msg->next = NULL;
- msg->len = msgbuf_size;
+ msg->size = msgbuf_size;
msg->pos = 0;
- msg->buf = GNUNET_malloc (msgbuf_size);
- msg->dest_url = url;
+ 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);
- /* insert created message in list of pending messages */
- if (ses->pending_outbound_msg == NULL)
- {
- ses->pending_outbound_msg = msg;
- }
- tmp = ses->pending_outbound_msg;
- while ( NULL != tmp->next)
+ if (send_check_connections (plugin, ps) != GNUNET_SYSERR)
{
- tmp = tmp->next;
- }
- if ( tmp != msg)
- {
- tmp->next = msg;
- }
+ if (force_address != GNUNET_YES)
+ pc->last_session = ps;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"HTTP Plugin: sending %u bytes of data from peer `%s' to peer `%s'\n",msgbuf_size,GNUNET_i2s(plugin->env->my_identity),GNUNET_i2s(&ses->sender));
- if (msg == ses->pending_outbound_msg)
- {
- bytes_sent = send_select_init (ses);
- return bytes_sent;
+ if (pc->last_session==NULL)
+ pc->last_session = ps;
+ return msg->size;
}
- return msgbuf_size;
+ else
+ return GNUNET_SYSERR;
}
http_plugin_disconnect (void *cls,
const struct GNUNET_PeerIdentity *target)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"HTTP Plugin: http_plugin_disconnect\n");
- // struct Plugin *plugin = cls;
- // FIXME
+
+
+ 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)
+ {
+ //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;
+ }
}
unsigned int port;
unsigned int res;
+ GNUNET_assert(cls !=NULL);
if (addrlen == sizeof (struct IPv6HttpAddress))
{
address = GNUNET_malloc (INET6_ADDRSTRLEN);
res = GNUNET_asprintf(&ret,"http://%s:%u/",address,port);
GNUNET_free (address);
GNUNET_assert(res != 0);
-
asc (asc_cls, ret);
+ GNUNET_free_non_null (ret);
}
*/
static int
http_plugin_address_suggested (void *cls,
- void *addr, size_t addrlen)
+ const void *addr, size_t addrlen)
{
+ struct Plugin *plugin = cls;
struct IPv4HttpAddress *v4;
struct IPv6HttpAddress *v6;
unsigned int port;
+ GNUNET_assert(cls !=NULL);
if ((addrlen != sizeof (struct IPv4HttpAddress)) &&
(addrlen != sizeof (struct IPv6HttpAddress)))
{
if (addrlen == sizeof (struct IPv4HttpAddress))
{
v4 = (struct IPv4HttpAddress *) addr;
+ /* Not skipping loopback
if (INADDR_LOOPBACK == ntohl(v4->ipv4_addr))
{
return GNUNET_SYSERR;
- }
+ } */
port = ntohs (v4->u_port);
if (port != plugin->port_inbound)
{
return GNUNET_SYSERR;
}
}
- else
+ if (addrlen == sizeof (struct IPv6HttpAddress))
{
v6 = (struct IPv6HttpAddress *) addr;
if (IN6_IS_ADDR_LINKLOCAL (&v6->ipv6_addr))
}
}
-
return GNUNET_OK;
}
struct sockaddr_in6 a6;
char * address;
char * ret;
- unsigned int port;
+ uint16_t port;
unsigned int res;
if (addrlen == sizeof (struct IPv6HttpAddress))
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 IPv4HttpAddress t4;
- struct IPv6HttpAddress t6;
- int af;
- void *arg;
- uint16_t args;
-
- af = addr->sa_family;
- if (af == AF_INET)
- {
- 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);
- arg = &t4;
- args = sizeof (t4);
- }
- else if (af == AF_INET6)
- {
- 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);
- arg = &t6;
- args = sizeof (t6);
- }
- else
- {
- GNUNET_break (0);
- return GNUNET_OK;
- }
- plugin->env->notify_address(plugin->env->cls,"http",arg, args, GNUNET_TIME_UNIT_FOREVER_REL);
- return GNUNET_OK;
-}
/**
* Exit point from the plugin.
{
struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
struct Plugin *plugin = api->cls;
- struct Session * cs;
- struct Session * cs_next;
CURLMcode mret;
+ GNUNET_assert(cls !=NULL);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Unloading http plugin...\n");
-
- if ( http_task_v4 != GNUNET_SCHEDULER_NO_TASK)
+ if (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)
{
- GNUNET_SCHEDULER_cancel(plugin->env->sched, http_task_v4);
- http_task_v4 = GNUNET_SCHEDULER_NO_TASK;
+ MHD_stop_daemon (plugin->http_server_daemon_v6);
+ plugin->http_server_daemon_v6 = NULL;
}
- if ( http_task_v6 != GNUNET_SCHEDULER_NO_TASK)
+ if ( plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK)
{
- GNUNET_SCHEDULER_cancel(plugin->env->sched, http_task_v6);
- http_task_v6 = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_server_task_v4);
+ plugin->http_server_task_v4 = GNUNET_SCHEDULER_NO_TASK;
}
- if ( http_task_send != GNUNET_SCHEDULER_NO_TASK)
+ if ( plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK)
{
- GNUNET_SCHEDULER_cancel(plugin->env->sched, http_task_send);
- http_task_send = 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 (http_daemon_v4 != NULL)
+
+ /* free all peer information */
+ if (plugin->peers!=NULL)
{
- MHD_stop_daemon (http_daemon_v4);
- http_daemon_v4 = NULL;
+ GNUNET_CONTAINER_multihashmap_iterate (plugin->peers,
+ &remove_peer_context_Iterator,
+ plugin);
+ GNUNET_CONTAINER_multihashmap_destroy (plugin->peers);
}
- if (http_daemon_v6 != NULL)
+ if (plugin->multi_handle!=NULL)
{
- MHD_stop_daemon (http_daemon_v6);
- http_daemon_v6 = NULL;
+ mret = curl_multi_cleanup(plugin->multi_handle);
+#if DEBUG_HTTP
+ if ( CURLM_OK != mret)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"curl multihandle clean up failed\n");
+#endif
+ plugin->multi_handle = NULL;
}
+ curl_global_cleanup();
- /* free all sessions */
- cs = plugin->sessions;
-
- while ( NULL != cs)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Freeing session for peer `%s'\n",GNUNET_i2s(&cs->sender));
-
- cs_next = cs->next;
-
- /* freeing messages */
- struct HTTP_Message *cur;
- struct HTTP_Message *tmp;
- cur = cs->pending_outbound_msg;
-
- while (cur != NULL)
- {
- tmp = cur->next;
- if (NULL != cur->buf)
- GNUNET_free (cur->buf);
- GNUNET_free (cur);
- cur = tmp;
- }
- GNUNET_SERVER_mst_destroy (cs->msgtok);
- GNUNET_free (cs->pending_inbound_msg->buf);
- GNUNET_free (cs->pending_inbound_msg);
- GNUNET_free_non_null (cs->addr_inbound);
- GNUNET_free_non_null (cs->addr_inbound_str);
- GNUNET_free_non_null (cs->addr_outbound);
- GNUNET_free (cs);
-
- plugin->session_count--;
- cs = cs_next;
- }
-
- mret = curl_multi_cleanup(multi_handle);
- if ( CURLM_OK != mret)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"curl multihandle clean up failed");
+ 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_free_non_null (plugin->bind4_address);
+ GNUNET_free_non_null (plugin->bind6_address);
+ GNUNET_free_non_null(plugin->bind_hostname);
GNUNET_free (plugin);
GNUNET_free (api);
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Unload http plugin complete...\n");
+#endif
return NULL;
}
libgnunet_plugin_transport_http_init (void *cls)
{
struct GNUNET_TRANSPORT_PluginEnvironment *env = cls;
+ struct Plugin *plugin;
struct GNUNET_TRANSPORT_PluginFunctions *api;
- unsigned int timeout;
struct GNUNET_TIME_Relative gn_timeout;
long long unsigned int port;
+ GNUNET_assert(cls !=NULL);
+#if DEBUG_HTTP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting http plugin...\n");
+#endif
plugin = GNUNET_malloc (sizeof (struct Plugin));
+ plugin->stats = env->stats;
plugin->env = env;
- plugin->sessions = NULL;
+ plugin->peers = NULL;
+ plugin->bind4_address = NULL;
+ plugin->use_ipv6 = GNUNET_YES;
+ plugin->use_ipv4 = GNUNET_YES;
+
api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
api->cls = plugin;
api->send = &http_plugin_send;
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), &my_ascii_hash_ident);
+ GNUNET_CRYPTO_hash_to_enc ( &(plugin->env->my_identity->hashPubKey), &plugin->my_ascii_hash_ident);
+ /* Reading port number from config file */
+ if (GNUNET_CONFIGURATION_have_value (env->cfg,
+ "transport-http", "USE_IPv6"))
+ {
+ plugin->use_ipv6 = GNUNET_CONFIGURATION_get_value_yesno (env->cfg,
+ "transport-http",
+ "USE_IPv6");
+ }
+ /* Reading port number from config file */
+ if (GNUNET_CONFIGURATION_have_value (env->cfg,
+ "transport-http", "USE_IPv4"))
+ {
+ plugin->use_ipv4 = GNUNET_CONFIGURATION_get_value_yesno (env->cfg,
+ "transport-http",
+ "USE_IPv4");
+ }
/* Reading port number from config file */
if ((GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_number (env->cfg,
{
GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
"http",
- _
- ("Require valid port number for transport plugin `%s' in configuration!\n"),
+ _("Require valid port number for transport plugin `%s' in configuration!\n"),
"transport-http");
libgnunet_plugin_transport_http_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,
+ "transport-http", "BINDTO4")))
+ {
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (env->cfg,
+ "transport-http",
+ "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 (inet_pton(AF_INET,plugin->bind_hostname, &plugin->bind4_address->sin_addr)<=0)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
+ "http",
+ _("Misconfigured address to bind to in configuration!\n"),
+ "transport-http");
+ 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,
+ "transport-http", "BINDTO6")))
+ {
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (env->cfg,
+ "transport-http",
+ "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 (inet_pton(AF_INET6,plugin->bind_hostname, &plugin->bind6_address->sin6_addr)<=0)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
+ "http",
+ _("Misconfigured address to bind to in configuration!\n"),
+ "transport-http");
+ GNUNET_free(plugin->bind6_address);
+ GNUNET_free(plugin->bind_hostname);
+ plugin->bind_hostname = NULL;
+ plugin->bind6_address = NULL;
+ }
+ }
+
GNUNET_assert ((port > 0) && (port <= 65535));
plugin->port_inbound = port;
gn_timeout = GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT;
- timeout = ( gn_timeout.value / 1000);
- if ((http_daemon_v4 == NULL) && (http_daemon_v6 == NULL) && (port != 0))
- {
- http_daemon_v6 = MHD_start_daemon (MHD_USE_IPv6,
+ unsigned int timeout = (gn_timeout.value) / 1000;
+ if ((plugin->http_server_daemon_v6 == NULL) && (plugin->use_ipv6 == GNUNET_YES) && (port != 0))
+ {
+ struct sockaddr * tmp = (struct sockaddr *) plugin->bind6_address;
+ plugin->http_server_daemon_v6 = MHD_start_daemon (
+#if DEBUG_CONNECTIONS
+ MHD_USE_DEBUG |
+#endif
+ MHD_USE_IPv6,
port,
- &acceptPolicyCallback,
- NULL , &accessHandlerCallback, NULL,
- MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 16,
- MHD_OPTION_PER_IP_CONNECTION_LIMIT, (unsigned int) 1,
- MHD_OPTION_CONNECTION_TIMEOUT, timeout,
- /* FIXME: set correct limit */
+ &mhd_accept_cb,
+ plugin , &mdh_access_cb, plugin,
+ MHD_OPTION_SOCK_ADDR, tmp,
+ 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, &requestCompletedCallback, NULL,
+ MHD_OPTION_NOTIFY_COMPLETED, &mhd_termination_cb, NULL,
MHD_OPTION_END);
- http_daemon_v4 = MHD_start_daemon (MHD_NO_FLAG,
+ }
+ if ((plugin->http_server_daemon_v4 == NULL) && (plugin->use_ipv4 == GNUNET_YES) && (port != 0))
+ {
+ plugin->http_server_daemon_v4 = MHD_start_daemon (
+#if DEBUG_CONNECTIONS
+ MHD_USE_DEBUG |
+#endif
+ MHD_NO_FLAG,
port,
- &acceptPolicyCallback,
- NULL , &accessHandlerCallback, NULL,
- MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 16,
- MHD_OPTION_PER_IP_CONNECTION_LIMIT, (unsigned int) 1,
- MHD_OPTION_CONNECTION_TIMEOUT, timeout,
- /* FIXME: set correct limit */
+ &mhd_accept_cb,
+ plugin , &mdh_access_cb, plugin,
+ MHD_OPTION_SOCK_ADDR, (struct sockaddr_in *)plugin->bind4_address,
+ 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, &requestCompletedCallback, NULL,
+ MHD_OPTION_NOTIFY_COMPLETED, &mhd_termination_cb, NULL,
MHD_OPTION_END);
- }
- if (http_daemon_v4 != NULL)
- http_task_v4 = http_daemon_prepare (http_daemon_v4);
- if (http_daemon_v6 != NULL)
- http_task_v6 = http_daemon_prepare (http_daemon_v6);
-
- if (http_task_v4 != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting MHD with IPv4 on port %u\n",port);
- else if (http_task_v6 != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting MHD with IPv4 and IPv6 on port %u\n",port);
+ }
+ 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)
+ {
+#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
{
+#if DEBUG_HTTP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No MHD was started, transport plugin not functional!\n");
+#endif
libgnunet_plugin_transport_http_done (api);
return NULL;
}
/* Initializing cURL */
- multi_handle = curl_multi_init();
- if ( NULL == multi_handle )
+ 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");
+ "http",
+ _("Could not initialize curl multi handle, failed to start http plugin!\n"),
+ "transport-http");
libgnunet_plugin_transport_http_done (api);
return NULL;
}
+ plugin->peers = GNUNET_CONTAINER_multihashmap_create (10);
GNUNET_OS_network_interfaces_list (&process_interfaces, plugin);
return api;
}
-/* end of plugin_transport_template.c */
+/* end of plugin_transport_http.c */