#define DEBUG_CURL GNUNET_NO
#define DEBUG_HTTP GNUNET_NO
-#define DEBUG_CONNECTIONS GNUNET_NO
+#define DEBUG_CONNECTIONS GNUNET_YES
#define INBOUND GNUNET_NO
#define OUTBOUND GNUNET_YES
struct HTTP_PeerContext
{
+ /**
+ * peer's identity
+ */
struct GNUNET_PeerIdentity identity;
/**
*/
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;
+
+ /**
+ * id for next session
+ */
+ size_t session_id_counter;
};
*/
unsigned int recv_force_disconnect;
+ /**
+ * id for next session
+ * NOTE: 0 is not an ID, zero is not defined. A correct ID is always > 0
+ */
+ size_t session_id;
+
/**
* entity managing sending data
- * outbound session: pointer to curl easy handle
+ * outbound session: CURL *
+ * inbound session: mhd_connection *
*/
void * send_endpoint;
/**
* entity managing recieving data
- * outbound session: pointer to curl easy handle
+ * outbound session: CURL *
+ * inbound session: mhd_connection *
*/
void * recv_endpoint;
};
const void *addr,
size_t addrlen);
-static char * create_url(void * cls, const void * addr, size_t addrlen)
+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",
+ "http://%s/%s;%u",
http_plugin_address_to_string(NULL, addr, addrlen),
- (char *) (&plugin->my_ascii_hash_ident));
+ (char *) (&plugin->my_ascii_hash_ident),id);
return url;
}
* @param msg message to remove
* @return GNUNET_SYSERR if msg not found, GNUNET_OK on success
*/
-
-static int remove_http_message(struct Session * ps, struct HTTP_Message * msg)
+static int remove_http_message (struct Session * ps, struct HTTP_Message * msg)
{
GNUNET_CONTAINER_DLL_remove(ps->pending_msgs_head,ps->pending_msgs_tail,msg);
GNUNET_free(msg);
return GNUNET_OK;
}
+/**
+ * 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 int remove_session (struct HTTP_PeerContext * pc, struct Session * ps, int call_msg_cont, int call_msg_cont_result)
+{
+ struct HTTP_Message * msg;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: removing %s session with id %u\n", ps, (ps->direction == INBOUND) ? "inbound" : "outbound",ps->session_id);
+ GNUNET_free_non_null (ps->addr);
+ GNUNET_SERVER_mst_destroy (ps->msgtok);
+ GNUNET_free(ps->url);
+
+ msg = ps->pending_msgs_head;
+ while (msg!=NULL)
+ {
+ if ((call_msg_cont == GNUNET_YES) && (msg->transmit_cont!=NULL))
+ {
+ msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,call_msg_cont_result);
+ }
+ GNUNET_free(msg);
+ GNUNET_CONTAINER_DLL_remove(ps->pending_msgs_head,ps->pending_msgs_head,msg);
+ }
+
+ GNUNET_CONTAINER_DLL_remove(pc->head,pc->tail,ps);
+ GNUNET_free(ps);
+ ps = NULL;
+ return GNUNET_OK;
+}
+
static struct Session * get_Session (void * cls, struct HTTP_PeerContext *pc, const void * addr, size_t addr_len)
{
struct Session * cc = pc->head;
{
if (0 == memcmp(cc->addr, addr, addr_len))
{
- con = cc;
+ /* connection can not be used, since it is disconnected */
+ if ((cc->recv_force_disconnect==GNUNET_NO) && (cc->send_force_disconnect==GNUNET_NO))
+ con = cc;
break;
}
}
/**
* 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 * ps = *httpSessionCache;
if (ps == NULL)
return;
+ struct HTTP_PeerContext * pc = ps->peercontext;
+ if (connection==ps->recv_endpoint)
+ {
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound connection from peer `%s' was terminated\n", ps, GNUNET_i2s(&pc->identity));
+#endif
+ ps->recv_active = GNUNET_NO;
+ ps->recv_connected = GNUNET_NO;
+ ps->recv_endpoint = NULL;
+ }
+ if (connection==ps->send_endpoint)
+ {
+
+ ps->send_active = GNUNET_NO;
+ ps->send_connected = GNUNET_NO;
+ ps->send_endpoint = NULL;
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: connection from peer `%s' was terminated\n", ps, GNUNET_i2s(&ps->peercontext->identity));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound connection from peer `%s' was terminated\n", ps, GNUNET_i2s(&pc->identity));
#endif
- /* session set to inactive */
- //ps-> = GNUNET_NO;
+ }
+
+ /* 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,
GNUNET_assert(pc != NULL);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Forwarding message to transport service, type %u and size %u from `%s' (`%s')\n",
+ "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));
ps->addrlen);
}
-static void curl_write_mst_cb (void *cls,
+static void curl_receive_mst_cb (void *cls,
void *client,
const struct GNUNET_MessageHeader *message)
{
* 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
return MHD_YES;
}
-int server_read_callback (void *cls, uint64_t pos, char *buf, int max)
+int mhd_send_callback (void *cls, uint64_t pos, char *buf, int max)
{
int bytes_read = 0;
GNUNET_assert (ps!=NULL);
pc = ps->peercontext;
msg = ps->pending_msgs_tail;
-
- if (ps->send_force_disconnect)
+ if (ps->send_force_disconnect==GNUNET_YES)
{
#if DEBUG_CONNECTIONS
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound forced to disconnect\n",ps);
if (msg!=NULL)
{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"mhd_send_callback %X: queue msg size: %u, max %u pos %u msg->pos %u\n",ps,msg->size,max,pos,msg->pos);
if ((msg->size-msg->pos) <= max)
- {
- memcpy(buf,&msg->buf[pos],(msg->size-msg->pos));
- pos+=(msg->size-msg->pos);
- }
- else
- {
- memcpy(buf,&msg->buf[pos],max);
- pos+=max;
- }
+ {
+ memcpy(buf,&msg->buf[msg->pos],(msg->size-msg->pos));
+ bytes_read = msg->size-msg->pos;
+ msg->pos+=(msg->size-msg->pos);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"mhd_send_callback %X: complete: size %u pos %u bytes read %u \n",ps,msg->size,msg->pos,bytes_read);
+ }
+ else
+ {
+ memcpy(buf,&msg->buf[msg->pos],max);
+ msg->pos+=max;
+ bytes_read = max;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"mhd_send_callback %X: partial: size %u pos %u bytes read %u \n",ps,msg->size,msg->pos,bytes_read);
+ }
- if (msg->pos==msg->size)
- {
- if (NULL!=msg->transmit_cont)
- msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,GNUNET_SYSERR);
- res = remove_http_message(ps,msg);
- }
+ if (msg->pos==msg->size)
+ {
+ struct GNUNET_MessageHeader * tmp = (struct GNUNET_MessageHeader *) msg->buf;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"MHD SENT MESSAGE %u bytes msg->type %u msg->size %u\n", bytes_read, ntohs(tmp->type), ntohs(tmp->size));
+ if (NULL!=msg->transmit_cont)
+ msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
+ res = remove_http_message(ps,msg);
+ }
}
return bytes_read;
}
* already exists and create a new one if not.
*/
static int
-accessHandlerCallback (void *cls,
+mdh_access_cb (void *cls,
struct MHD_Connection *mhd_connection,
const char *url,
const char *method,
char address[INET6_ADDRSTRLEN+14];
struct GNUNET_PeerIdentity pi_in;
+ size_t id_num = 0;
struct IPv4HttpAddress ipv4addr;
struct IPv6HttpAddress ipv6addr;
struct HTTP_PeerContext *pc;
struct Session *ps;
+ struct Session *ps_tmp;
int res = GNUNET_NO;
int send_error_to_client;
if (NULL == *httpSessionCache)
{
/* check url for peer identity , if invalid send HTTP 404*/
- res = GNUNET_CRYPTO_hash_from_string ( &url[1], &(pi_in.hashPubKey));
+ 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);
{
pc = GNUNET_malloc(sizeof (struct HTTP_PeerContext));
pc->plugin = plugin;
+ pc->session_id_counter=1;
memcpy(&pc->identity, &pi_in, sizeof(struct GNUNET_PeerIdentity));
GNUNET_CONTAINER_multihashmap_put(plugin->peers, &pc->identity.hashPubKey, pc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
}
ipv4addr.u_port = addrin->sin_port;
addr = &ipv4addr;
addr_len = sizeof(struct IPv4HttpAddress);
- //con = session_check_inbound_address (plugin, cs, (const void *) &ipv4addr, sizeof (struct IPv4HttpAddress));
}
/* Incoming IPv6 connection */
if ( AF_INET6 == conn_info->client_addr->sin_family)
addr = &ipv6addr;
addr_len = sizeof(struct IPv6HttpAddress);
}
- /* Set closure and update current session*/
- ps = get_Session(plugin, pc, addr, addr_len);
+
+
+ //ps = get_Session(plugin, pc, addr, addr_len);
+ ps = NULL;
+ /* only inbound sessions here */
+
+ ps_tmp = pc->head;
+ while (ps_tmp!=NULL)
+ {
+ if ((ps_tmp->direction==INBOUND) && (ps_tmp->session_id == id_num) && (id_num!=0))
+ {
+ if ((ps_tmp->recv_force_disconnect!=GNUNET_YES) && (ps_tmp->send_force_disconnect!=GNUNET_YES))
+ ps=ps_tmp;
+ break;
+ }
+ ps_tmp=ps_tmp->next;
+ }
+
if (ps==NULL)
{
ps = GNUNET_malloc(sizeof (struct Session));
ps->recv_connected=GNUNET_NO;
ps->recv_active=GNUNET_NO;
ps->peercontext=pc;
- ps->url = create_url (plugin, ps->addr, ps->addrlen);
+ 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);
}
if (ps->msgtok==NULL)
ps->msgtok = GNUNET_SERVER_mst_create (&mhd_write_mst_cb, ps);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"HTTP Daemon has new an incoming `%s' request from peer `%s' (`%s')\n",
+ 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));
if (ps->recv_force_disconnect)
{
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound forced to disconnect\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound connection was forced to disconnect\n",ps);
#endif
- ps->recv_connected = GNUNET_NO;
ps->recv_active = GNUNET_NO;
return MHD_NO;
}
if ((*upload_data_size == 0) && (ps->recv_active==GNUNET_NO))
{
+ ps->recv_endpoint = mhd_connection;
+ ps->recv_connected = GNUNET_YES;
ps->recv_active = GNUNET_YES;
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound PUT connection connected\n",ps);
+#endif
return MHD_YES;
}
if (ps->send_force_disconnect)
{
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound forced to disconnect\n",ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound connection was forced to disconnect\n",ps);
#endif
- ps->send_connected = GNUNET_NO;
ps->send_active = GNUNET_NO;
return MHD_NO;
}
- response = MHD_create_response_from_callback(-1,32 * 1024, &server_read_callback, ps, NULL);
+ ps->send_connected = GNUNET_YES;
+ ps->send_active = GNUNET_YES;
+ ps->send_endpoint = mhd_connection;
+#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 res;
+ return MHD_YES;
}
return MHD_NO;
}
* @param con connection
* @return bytes sent to peer
*/
-static ssize_t send_check_connections (void *cls, struct Session* ses , struct Session *ps);
-
+static ssize_t send_check_connections (void *cls, struct Session *ps);
static size_t curl_get_header_function( void *ptr, size_t size, size_t nmemb, void *stream)
{
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, NULL, ps);
+ send_check_connections (ps->peercontext->plugin, ps);
}
}
}
* @param ptr source pointer, passed to the libcurl handle
* @return bytes written to stream
*/
-static size_t send_curl_send_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 * ps = ptr;
struct HTTP_Message * msg = ps->pending_msgs_tail;
* @param ptr destination pointer, passed to the libcurl handle
* @return bytes read from stream
*/
-static size_t send_curl_receive_callback( void *stream, size_t size, size_t nmemb, void *ptr)
+static size_t curl_receive_cb( void *stream, size_t size, size_t nmemb, void *ptr)
{
struct Session * ps = ptr;
#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: %u bytes recieved\n",ps, size*nmemb);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: %u bytes received\n",ps, size*nmemb);
#endif
- GNUNET_SERVER_mst_receive(ps->msgtok, ps, stream, size*nmemb, GNUNET_NO, GNUNET_NO);
+ struct GNUNET_MessageHeader * msg = stream;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: %u bytes msg->type %u msg->size %u\n",ps, size*nmemb, ntohs(msg->type), ntohs(msg->size));
+
+ // GNUNET_SERVER_mst_receive(ps->msgtok, ps, stream, size*nmemb, GNUNET_NO, GNUNET_NO);
return (size * nmemb);
}
* @param con connection
* @return bytes sent to peer
*/
-static ssize_t send_check_connections (void *cls, struct Session* ses , struct Session *ps)
+static ssize_t send_check_connections (void *cls, struct Session *ps)
{
struct Plugin *plugin = cls;
int bytes_sent = 0;
curl_easy_setopt(ps->recv_endpoint, CURLOPT_URL, ps->url);
curl_easy_setopt(ps->recv_endpoint, CURLOPT_HEADERFUNCTION, &curl_get_header_function);
curl_easy_setopt(ps->recv_endpoint, CURLOPT_WRITEHEADER, ps);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_READFUNCTION, send_curl_send_callback);
+ 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, send_curl_receive_callback);
+ 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);
return -1;
}
bytes_sent = send_schedule (plugin, NULL);
- if (ps->msgtok != NULL)
- ps->msgtok = GNUNET_SERVER_mst_create (&curl_write_mst_cb, ps);
#if DEBUG_CONNECTIONS
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound not connected, initiating connection\n",ps);
#endif
curl_easy_setopt(ps->send_endpoint, CURLOPT_PUT, 1L);
curl_easy_setopt(ps->send_endpoint, CURLOPT_HEADERFUNCTION, &curl_put_header_function);
curl_easy_setopt(ps->send_endpoint, CURLOPT_WRITEHEADER, ps);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_READFUNCTION, send_curl_send_callback);
+ 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, send_curl_receive_callback);
+ 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);
ps->recv_endpoint=NULL;
}
}
- if (ps->pending_msgs_tail != NULL)
- {
- if (ps->pending_msgs_tail->pos>0)
- remove_http_message(ps, ps->pending_msgs_tail);
- }
+ if ((ps->recv_connected == GNUNET_NO) && (ps->send_connected == GNUNET_NO))
+ remove_session (pc, ps, GNUNET_YES, GNUNET_SYSERR);
return;
default:
break;
struct HTTP_Message *msg;
struct HTTP_PeerContext * pc;
- struct Session * ps;
+ struct Session * ps = NULL;
+ struct Session * ps_tmp = NULL;
GNUNET_assert(cls !=NULL);
- GNUNET_assert ((addr!=NULL) && (addrlen != 0));
+
+ 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);
pc = GNUNET_CONTAINER_multihashmap_get (plugin->peers, &target->hashPubKey);
/* Peer unknown */
{
pc = GNUNET_malloc(sizeof (struct HTTP_PeerContext));
pc->plugin = plugin;
+ pc->session_id_counter=1;
memcpy(&pc->identity, target, sizeof(struct GNUNET_PeerIdentity));
GNUNET_CONTAINER_multihashmap_put(plugin->peers, &pc->identity.hashPubKey, pc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
}
- ps = get_Session(plugin, pc, addr, addrlen);
- /* session not existing, but address forced -> creating new session */
- if ((force_address == GNUNET_YES) && (ps==NULL))
+ /* Search for existing session using the passed address */
+ if ((addr!=NULL) && (addrlen != 0))
{
- ps = GNUNET_malloc(sizeof (struct Session));
- ps->addr = GNUNET_malloc(addrlen);
- memcpy(ps->addr,addr,addrlen);
- ps->addrlen = addrlen;
- ps->direction=OUTBOUND;
- ps->recv_connected = GNUNET_NO;
- ps->send_connected = GNUNET_NO;
- ps->pending_msgs_head = NULL;
- ps->pending_msgs_tail = NULL;
- ps->peercontext=pc;
- ps->url = create_url (plugin, ps->addr, ps->addrlen);
- GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
+ ps = get_Session(plugin, pc, addr, addrlen);
}
- /* session not existing, address not forced -> looking for other session */
- if ((ps==NULL) && (force_address == GNUNET_NO))
- {
- //struct PeerContext * tmp = pc->head;
+ if (ps != NULL)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Found existing connection to peer %s with given address, using %X\n", GNUNET_i2s(target), ps);
-
- ps = GNUNET_malloc(sizeof (struct Session));
- ps->addr = GNUNET_malloc(addrlen);
- memcpy(ps->addr,addr,addrlen);
- ps->addrlen = addrlen;
- ps->direction=OUTBOUND;
- ps->recv_connected = GNUNET_NO;
- ps->send_connected = GNUNET_NO;
- ps->pending_msgs_head = NULL;
- ps->pending_msgs_tail = NULL;
- ps->peercontext=pc;
- ps->url = create_url (plugin, ps->addr, ps->addrlen);
- GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
+ /* Search for existing session using the passed session */
+ if ((ps==NULL) && (force_address != GNUNET_YES))
+ {
+ ps_tmp = pc->head;
+ while (ps_tmp!=NULL)
+ {
+ if ((ps_tmp==session) && (ps_tmp->recv_force_disconnect==GNUNET_NO) && (ps_tmp->send_force_disconnect==GNUNET_NO) &&
+ (ps_tmp->recv_connected==GNUNET_YES) && (ps_tmp->send_connected==GNUNET_YES))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Found existing connection to peer %s with given session, using inbound session %X\n", GNUNET_i2s(target), ps_tmp);
+ ps = ps_tmp;
+ break;
+ }
+ ps_tmp=ps_tmp->next;
+ }
}
- if ((ps==NULL) && (force_address == GNUNET_SYSERR))
+
+ /* session not existing, address not forced -> looking for other session */
+ if ((ps==NULL) && (force_address != GNUNET_YES))
{
- /* FIXME: CREATING SESSION, SHOULD CHOOSE EXISTING */
- ps = GNUNET_malloc(sizeof (struct Session));
- ps->addr = GNUNET_malloc(addrlen);
- memcpy(ps->addr,addr,addrlen);
- ps->addrlen = addrlen;
- ps->direction=OUTBOUND;
- ps->recv_connected = GNUNET_NO;
- ps->send_connected = GNUNET_NO;
- ps->pending_msgs_head = NULL;
- ps->pending_msgs_tail = NULL;
- ps->peercontext=pc;
- ps->url = create_url (plugin, ps->addr, ps->addrlen);
- GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection, but free to choose existing, searching for existing connection to peer %s\n", GNUNET_i2s(target));
+ /* Choosing different session to peer when possible */
+ struct Session * tmp = pc->head;
+ while (tmp!=NULL)
+ {
+ if ((tmp->recv_connected) && (tmp->send_connected) && (tmp->recv_force_disconnect==GNUNET_NO) && (tmp->send_force_disconnect==GNUNET_NO))
+ {
+ ps = tmp;
+ }
+ tmp = tmp->next;
+ }
+ if (ps != NULL)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection to peer %s, selected connection %X\n", GNUNET_i2s(target),ps);
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection to peer %s, no connection found\n", GNUNET_i2s(target));
}
- char * force = GNUNET_malloc(30);
- 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' %s (%s), session: %X\n",
- msgbuf_size,
- GNUNET_i2s(&pc->identity),
- force,
- http_plugin_address_to_string(NULL, addr, addrlen),
- ps);
+ /* session not existing, but address forced -> creating new session */
+ if ((ps==NULL) || ((ps==NULL) && (force_address == GNUNET_YES)))
+ {
+ if ((addr!=NULL) && (addrlen!=0))
+ {
+ if (force_address == GNUNET_YES)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection & forced address: creating new connection to peer %s\n", GNUNET_i2s(target));
+ if (force_address != GNUNET_YES)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection: creating new connection to peer %s\n", GNUNET_i2s(target));
+
+ ps = GNUNET_malloc(sizeof (struct Session));
+ if ((addrlen!=0) && (addr!=NULL))
+ {
+ ps->addr = GNUNET_malloc(addrlen);
+ memcpy(ps->addr,addr,addrlen);
+ ps->addrlen = addrlen;
+ }
+ else
+ {
+ ps->addr = NULL;
+ ps->addrlen = 0;
+ }
+ ps->direction=OUTBOUND;
+ ps->recv_connected = GNUNET_NO;
+ ps->recv_force_disconnect = GNUNET_NO;
+ ps->send_connected = GNUNET_NO;
+ ps->send_force_disconnect = GNUNET_NO;
+ ps->pending_msgs_head = NULL;
+ ps->pending_msgs_tail = NULL;
+ ps->peercontext=pc;
+ ps->session_id = pc->session_id_counter;
+ pc->session_id_counter++;
+ ps->url = create_url (plugin, ps->addr, ps->addrlen, ps->session_id);
+ if (ps->msgtok == NULL)
+ ps->msgtok = GNUNET_SERVER_mst_create (&curl_receive_mst_cb, ps);
+ GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing session & and no address given: no way to send this message to peer `%s'!\n", GNUNET_i2s(target));
+ return -1;
+ }
+ }
- GNUNET_free(force);
/* create msg */
msg = GNUNET_malloc (sizeof (struct HTTP_Message) + msgbuf_size);
msg->next = NULL;
memcpy (msg->buf,msgbuf, msgbuf_size);
GNUNET_CONTAINER_DLL_insert(ps->pending_msgs_head,ps->pending_msgs_tail,msg);
- return send_check_connections (plugin, session, ps);
+ return send_check_connections (plugin, ps);
}
curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint);
curl_easy_cleanup(ps->send_endpoint);
ps->send_endpoint=NULL;
+ ps->send_force_disconnect = GNUNET_YES;
}
if (ps->recv_endpoint!=NULL)
{
curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint);
curl_easy_cleanup(ps->recv_endpoint);
ps->recv_endpoint=NULL;
+ ps->recv_force_disconnect = GNUNET_YES;
}
}
if (ps->direction==INBOUND)
{
remove_http_message(ps, ps->pending_msgs_head);
}
- ps->recv_connected = GNUNET_NO;
ps->recv_active = GNUNET_NO;
- ps->send_connected = GNUNET_NO;
ps->send_active = GNUNET_NO;
ps=ps->next;
}
return GNUNET_OK;
}
-int peer_context_Iterator (void *cls, const GNUNET_HashCode *key, void *value)
+int remove_peer_context_Iterator (void *cls, const GNUNET_HashCode *key, void *value)
{
struct HTTP_PeerContext * pc = value;
struct Session * ps = pc->head;
{
tmp = ps->next;
- GNUNET_free(ps->addr);
+ GNUNET_free_non_null (ps->addr);
GNUNET_free(ps->url);
if (ps->msgtok != NULL)
GNUNET_SERVER_mst_destroy (ps->msgtok);
/* free all peer information */
GNUNET_CONTAINER_multihashmap_iterate (plugin->peers,
- &peer_context_Iterator,
+ &remove_peer_context_Iterator,
NULL);
GNUNET_CONTAINER_multihashmap_destroy (plugin->peers);
{
plugin->http_server_daemon_v6 = MHD_start_daemon (MHD_USE_IPv6,
port,
- &acceptPolicyCallback,
- plugin , &accessHandlerCallback, plugin,
+ &mhd_accept_cb,
+ plugin , &mdh_access_cb, plugin,
MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 16,
MHD_OPTION_PER_IP_CONNECTION_LIMIT, (unsigned int) 1,
MHD_OPTION_CONNECTION_TIMEOUT, (gn_timeout.value / 1000),
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);
plugin->http_server_daemon_v4 = MHD_start_daemon (MHD_NO_FLAG,
port,
- &acceptPolicyCallback,
- plugin , &accessHandlerCallback, plugin,
+ &mhd_accept_cb,
+ plugin , &mdh_access_cb, plugin,
MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 16,
MHD_OPTION_PER_IP_CONNECTION_LIMIT, (unsigned int) 1,
MHD_OPTION_CONNECTION_TIMEOUT, (gn_timeout.value / 1000),
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 (plugin->http_server_daemon_v4 != NULL)
projects / oweals / gnunet.git / blobdiff