#include <curl/curl.h>
-#define DEBUG_CURL GNUNET_YES
+#define DEBUG_CURL GNUNET_NO
#define DEBUG_HTTP GNUNET_NO
+#define DEBUG_CONNECTIONS GNUNET_YES
#define INBOUND GNUNET_NO
#define OUTBOUND GNUNET_YES
struct HTTP_PeerContext
{
- struct GNUNET_PeerIdentity identity;
-
- struct HTTP_Session * head;
- struct HTTP_Session * tail;
-};
-
-
-struct HTTP_Session
-{
- struct HTTP_Session * next;
- struct HTTP_Session * prev;
-
- void * addr;
- size_t addrlen;
-
/**
- * target url
+ * peer's identity
*/
- char * url;
+ struct GNUNET_PeerIdentity identity;
/**
- * Message queue for outbound messages
- * head of queue
+ * Pointer to the global plugin struct.
*/
- struct HTTP_Message * pending_msgs_head;
+ struct Plugin *plugin;
/**
- * Message queue for outbound messages
- * tail of queue
+ * Linked list of connections with this peer
+ * head
*/
- struct HTTP_Message * pending_msgs_tail;
+ struct Session * head;
/**
- * partner peer this connection belongs to
+ * Linked list of connections with this peer
+ * tail
*/
- struct HTTP_PeerContext * peercontext;
+ struct Session * tail;
/**
- * message stream tokenizer for incoming data
+ * id for next session
*/
- struct GNUNET_SERVER_MessageStreamTokenizer *msgtok;
+ size_t session_id_counter;
+};
+
+struct Session
+{
/**
- * session direction
- * outbound: GNUNET_YES
- * inbound : GNUNET_NO
+ * API requirement.
*/
- unsigned int direction;
-
- unsigned int send_connected;
- unsigned int send_active;
- unsigned int recv_connected;
- unsigned int recv_active;
+ struct SessionHeader header;
/**
- * entity managing sending data
+ * next session in linked list
*/
- void * send_endpoint;
+ struct Session * next;
/**
- * entity managing recieving data
+ * previous session in linked list
*/
- void * recv_endpoint;
-};
-
-
-struct HTTP_Connection
-{
- struct HTTP_Connection * next;
- struct HTTP_Connection * prev;
-
- void * addr;
- size_t addrlen;
+ struct Session * prev;
/**
- * Message queue for outbound messages
- * head of queue
+ * address of this session
*/
- struct HTTP_Message * pending_msgs_head;
+ void * addr;
/**
- * Message queue for outbound messages
- * tail of queue
+ * address length
*/
- struct HTTP_Message * pending_msgs_tail;
+ size_t addrlen;
/**
* target url
char * url;
/**
- * status of PUT connection
- * connected?
- */
- unsigned int put_connected;
-
- /**
- * status of PUT connection
- * if no data to send, connection is paused
+ * Message queue for outbound messages
+ * head of queue
*/
- unsigned int put_send_paused;
-
- unsigned int get_connected;
+ struct HTTP_Message * pending_msgs_head;
/**
- * curl handle for sending data using HTTP/PUT
- * outbound data
+ * Message queue for outbound messages
+ * tail of queue
*/
- CURL *put_curl_handle;
+ struct HTTP_Message * pending_msgs_tail;
/**
- * curl handle for recieving data using HTTP/GET transmission
- * inbound data
+ * partner peer this connection belongs to
*/
- CURL *get_curl_handle;
-
- struct Session * session;
-
- struct GNUNET_SERVER_MessageStreamTokenizer * get_msgtok;
-};
-
-struct HTTP_Connection_in
-{
- struct HTTP_Connection_in * next;
-
- struct HTTP_Connection_in * prev;
-
- void * addr;
- size_t addrlen;
-
- unsigned int connected;
- unsigned int send_paused;
-
- struct GNUNET_SERVER_MessageStreamTokenizer * msgtok;
-
- struct Session * session;
+ struct HTTP_PeerContext * peercontext;
/**
- * Is there a HTTP/PUT in progress?
+ * message stream tokenizer for incoming data
*/
- int is_put_in_progress;
+ struct GNUNET_SERVER_MessageStreamTokenizer *msgtok;
/**
- * Is the http request invalid?
+ * session direction
+ * outbound: OUTBOUND (GNUNET_YES)
+ * inbound : INBOUND (GNUNET_NO)
*/
- int is_bad_request;
-};
-
-/**
- * Session handle for connections.
- */
-struct Session
-{
+ unsigned int direction;
/**
- * API requirement.
+ * is session connected to send data?
*/
- struct SessionHeader header;
+ unsigned int send_connected;
/**
- * Stored in a linked list.
+ * is send connection active?
*/
- struct Session *next;
+ unsigned int send_active;
/**
- * Pointer to the global plugin struct.
+ * connection disconnect forced (e.g. from transport)
*/
- struct Plugin *plugin;
+ unsigned int send_force_disconnect;
/**
- * To whom are we talking to (set to our identity
- * if we are still waiting for the welcome message)
+ * is session connected to receive data?
*/
- struct GNUNET_PeerIdentity identity;
+ unsigned int recv_connected;
/**
- * Did we initiate the connection (GNUNET_YES) or the other peer (GNUNET_NO)?
+ * is receive connection active?
*/
- int is_client;
+ unsigned int recv_active;
/**
- * At what time did we reset last_received last?
+ * connection disconnect forced (e.g. from transport)
*/
- struct GNUNET_TIME_Absolute last_quota_update;
+ unsigned int recv_force_disconnect;
/**
- * How many bytes have we received since the "last_quota_update"
- * timestamp?
+ * id for next session
+ * NOTE: 0 is not an ID, zero is not defined. A correct ID is always > 0
*/
- uint64_t last_received;
+ size_t session_id;
/**
- * Number of bytes per ms that this peer is allowed
- * to send to us.
+ * entity managing sending data
+ * outbound session: CURL *
+ * inbound session: mhd_connection *
*/
- uint32_t quota;
+ void * send_endpoint;
/**
- * Encoded hash
+ * entity managing recieving data
+ * outbound session: CURL *
+ * inbound session: mhd_connection *
*/
- struct GNUNET_CRYPTO_HashAsciiEncoded hash;
-
- struct HTTP_Connection *outbound_connections_head;
- struct HTTP_Connection *outbound_connections_tail;
-
- struct HTTP_Connection_in *inbound_connections_head;
- struct HTTP_Connection_in *inbound_connections_tail;
+ void * recv_endpoint;
};
/**
unsigned int port_inbound;
- /**
- * Hashmap for all existing sessions.
- */
- struct GNUNET_CONTAINER_MultiHashMap *sessions;
-
struct GNUNET_CONTAINER_MultiHashMap *peers;
/**
const void *addr,
size_t addrlen);
-/**
- * Create a new session
- * @param cls plugin as closure
- * @param addr_in address the peer is using inbound
- * @param addr_len_in address length
- * @param addr_out address the peer is using outbound
- * @param addr_len_out address length
- * @param peer identity
- * @return created session object
- */
-static struct Session *
-create_session (void * cls,
- char * addr_in,
- size_t addrlen_in,
- char * addr_out,
- size_t addrlen_out,
- const struct GNUNET_PeerIdentity *peer)
-{
- struct Plugin *plugin = cls;
- struct Session * cs = GNUNET_malloc ( sizeof( struct Session) );
-
- GNUNET_assert(cls !=NULL);
- cs->plugin = plugin;
- memcpy(&cs->identity, peer, sizeof (struct GNUNET_PeerIdentity));
- GNUNET_CRYPTO_hash_to_enc(&cs->identity.hashPubKey,&(cs->hash));
- cs->outbound_connections_head = NULL;
- cs->outbound_connections_tail = NULL;
- return cs;
-}
-
-/**
- * Check if session for this peer is already existing, otherwise create it
- * @param cls the plugin used
- * @param p peer to get session for
- * @return session found or created
- */
-static struct Session * session_get (void * cls, const struct GNUNET_PeerIdentity *p)
-{
- struct Plugin *plugin = cls;
- struct Session *cs;
- unsigned int res;
-
- cs = GNUNET_CONTAINER_multihashmap_get (plugin->sessions, &p->hashPubKey);
- if (cs == NULL)
- {
- cs = create_session(plugin, NULL, 0, NULL, 0, p);
- res = GNUNET_CONTAINER_multihashmap_put ( plugin->sessions,
- &cs->identity.hashPubKey,
- cs,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
- if (res == GNUNET_OK)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "New Session `%s' inserted\n", GNUNET_i2s(p));
- }
- return cs;
-}
-
-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 HTTP_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);
}
/**
- * Check if session already knows this address for a outbound connection to this peer
- * If address not in session, add it to the session
- * @param cls the plugin used
- * @param cs the session
- * @param addr address
- * @param addr_len address length
- * @return the found or created address
+ * 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 HTTP_Connection * session_check_outbound_address (void * cls, struct Session *cs, const void * addr, size_t addr_len)
+static int remove_session (struct HTTP_PeerContext * pc, struct Session * ps, int call_msg_cont, int call_msg_cont_result)
{
- struct Plugin *plugin = cls;
- struct HTTP_Connection * cc = cs->outbound_connections_head;
- struct HTTP_Connection * con = NULL;
-
- GNUNET_assert((addr_len == sizeof (struct IPv4HttpAddress)) || (addr_len == sizeof (struct IPv6HttpAddress)));
+ 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);
- while (cc!=NULL)
+ msg = ps->pending_msgs_head;
+ while (msg!=NULL)
{
- if (addr_len == cc->addrlen)
+ if ((call_msg_cont == GNUNET_YES) && (msg->transmit_cont!=NULL))
{
- if (0 == memcmp(cc->addr, addr, addr_len))
- {
- con = cc;
- break;
- }
+ msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,call_msg_cont_result);
}
- cc=cc->next;
+ GNUNET_free(msg);
+ GNUNET_CONTAINER_DLL_remove(ps->pending_msgs_head,ps->pending_msgs_head,msg);
}
- if (con==NULL)
- {
- con = GNUNET_malloc(sizeof(struct HTTP_Connection) + addr_len);
- con->addrlen = addr_len;
- con->addr=&con[1];
- con->url=create_url(plugin, addr, addr_len);
- con->put_curl_handle = NULL;
- con->put_connected = GNUNET_NO;
- con->get_curl_handle = NULL;
- con->get_connected = GNUNET_NO;
- con->session = cs;
- memcpy(con->addr, addr, addr_len);
- GNUNET_CONTAINER_DLL_insert(cs->outbound_connections_head,cs->outbound_connections_tail,con);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Created new connection %X to peer `%s'\n",con,GNUNET_i2s(&cs->identity));
- }
- return con;
+ GNUNET_CONTAINER_DLL_remove(pc->head,pc->tail,ps);
+ GNUNET_free(ps);
+ ps = NULL;
+ return GNUNET_OK;
}
-static struct HTTP_Session * get_HTTP_Session (void * cls, struct HTTP_PeerContext *pc, const void * addr, size_t addr_len)
+static struct Session * get_Session (void * cls, struct HTTP_PeerContext *pc, const void * addr, size_t addr_len)
{
- struct HTTP_Session * cc = pc->head;
- struct HTTP_Session * con = NULL;
+ struct Session * cc = pc->head;
+ struct Session * con = NULL;
unsigned int count = 0;
GNUNET_assert((addr_len == sizeof (struct IPv4HttpAddress)) || (addr_len == sizeof (struct IPv6HttpAddress)));
{
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;
}
}
/**
- * Check if session already knows this address for a inbound connection to this peer
- * If address not in session, add it to the session
- * @param cls not needed, can be NULL
- * @param cs the session
- * @param addr address
- * @param addr_len address length
- * @return the found or created address
+ * Callback called by MHD when a connection is terminated
*/
-static struct HTTP_Connection_in * session_check_inbound_address (void * cls, struct Session *cs, const void * addr, size_t addr_len)
+static void mhd_termination_cb (void *cls, struct MHD_Connection * connection, void **httpSessionCache)
{
- struct HTTP_Connection_in * cc = cs->inbound_connections_head;
- struct HTTP_Connection_in * con = NULL;
-
- GNUNET_assert((addr_len == sizeof (struct IPv4HttpAddress)) || (addr_len == sizeof (struct IPv6HttpAddress)));
+ struct Session * ps = *httpSessionCache;
+ if (ps == NULL)
+ return;
+ struct HTTP_PeerContext * pc = ps->peercontext;
- while (cc!=NULL)
+ if (connection==ps->recv_endpoint)
{
- if (addr_len == cc->addrlen)
- {
- if (0 == memcmp(cc->addr, addr, addr_len))
- {
- con = cc;
- break;
- }
- }
- cc=cc->next;
+#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: outbound connection from peer `%s' was terminated\n", ps, GNUNET_i2s(&pc->identity));
+#endif
+ }
- if (con==NULL)
+ /* if both connections disconnected, remove session */
+ if ((ps->send_connected == GNUNET_NO) && (ps->recv_connected == GNUNET_NO))
{
- con = GNUNET_malloc(sizeof(struct HTTP_Connection_in) + addr_len);
- con->addrlen = addr_len;
- con->addr=&con[1];
- con->connected = GNUNET_NO;
- con->session = cs;
- memcpy(con->addr, addr, addr_len);
- GNUNET_CONTAINER_DLL_insert(cs->inbound_connections_head,cs->inbound_connections_tail,con);
+ remove_session(pc,ps,GNUNET_YES,GNUNET_SYSERR);
}
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X for inbound address %s (%s) was found\n",
- con,
- GNUNET_i2s(&cs->identity),
- http_plugin_address_to_string(NULL,con->addr,con->addrlen));
- return con;
-}
-
-
-/**
- * Callback called by MHD when a connection is terminated
- */
-static void requestCompletedCallback (void *cls, struct MHD_Connection * connection, void **httpSessionCache)
-{
- struct HTTP_Connection_in * con;
-
- con = *httpSessionCache;
- if (con == NULL)
- return;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection from peer `%s' was terminated\n",GNUNET_i2s(&con->session->identity));
- /* session set to inactive */
- con->is_put_in_progress = GNUNET_NO;
- con->is_bad_request = GNUNET_NO;
}
static void mhd_write_mst_cb (void *cls,
void *client,
const struct GNUNET_MessageHeader *message)
{
- struct HTTP_Connection_in * con = cls;
- GNUNET_assert(con != NULL);
+
+ struct Session *ps = cls;
+ struct HTTP_PeerContext *pc = ps->peercontext;
+ GNUNET_assert(ps != NULL);
+ GNUNET_assert(pc != NULL);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Forwarding message to transport service, type %u and size %u from `%s' (`%s')\n",
+ "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(&(con->session->identity)),http_plugin_address_to_string(NULL,con->addr,con->addrlen));
+ GNUNET_i2s(&(ps->peercontext)->identity),http_plugin_address_to_string(NULL,ps->addr,ps->addrlen));
- con->session->plugin->env->receive (con->session->plugin->env->cls,
- &con->session->identity,
- message, 1, con->session,
- NULL,
- 0);
+ pc->plugin->env->receive (ps->peercontext->plugin->env->cls,
+ &pc->identity,
+ message, 1, ps,
+ ps->addr,
+ 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)
{
- struct HTTP_Connection * con = cls;
- GNUNET_assert(con != NULL);
+ struct Session *ps = cls;
+ struct HTTP_PeerContext *pc = ps->peercontext;
+ GNUNET_assert(ps != NULL);
+ GNUNET_assert(pc != NULL);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Forwarding message to transport service, type %u and size %u from `%s' (`%s')\n",
ntohs(message->type),
ntohs(message->size),
- GNUNET_i2s(&(con->session->identity)),http_plugin_address_to_string(NULL,con->addr,con->addrlen));
+ GNUNET_i2s(&(pc->identity)),http_plugin_address_to_string(NULL,ps->addr,ps->addrlen));
- con->session->plugin->env->receive (con->session->plugin->env->cls,
- &con->session->identity,
- message, 1, con->session,
- con->addr,
- con->addrlen);
+ pc->plugin->env->receive (pc->plugin->env->cls,
+ &pc->identity,
+ message, 1, ps,
+ ps->addr,
+ ps->addrlen);
}
* Check if ip is allowed to connect.
*/
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;
- struct HTTP_Connection * con = cls;
+ struct Session * ps = cls;
+ struct HTTP_PeerContext * pc;
struct HTTP_Message * msg;
int res;res=5;
- msg=con->pending_msgs_tail;
+ 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)
{
- /*
+ 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 != con->pending_msgs_tail->transmit_cont)
- msg->transmit_cont (msg->transmit_cont_cls,&con->session->identity,GNUNET_SYSERR);
- res = remove_http_message(con,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,
{
struct Plugin *plugin = cls;
struct MHD_Response *response;
- struct Session * cs;
- struct HTTP_Connection_in * con;
const union MHD_ConnectionInfo * conn_info;
+
struct sockaddr_in *addrin;
struct sockaddr_in6 *addrin6;
+
char address[INET6_ADDRSTRLEN+14];
struct GNUNET_PeerIdentity pi_in;
- int res = GNUNET_NO;
- int send_error_to_client;
+ size_t id_num = 0;
+
struct IPv4HttpAddress ipv4addr;
struct IPv6HttpAddress ipv6addr;
+
struct HTTP_PeerContext *pc;
- struct HTTP_Session *ps;
+ struct Session *ps;
+ struct Session *ps_tmp;
+
+ int res = GNUNET_NO;
+ int send_error_to_client;
void * addr;
size_t addr_len;
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);
}
else
{
- con = *httpSessionCache;
- cs = con->session;
+ ps = *httpSessionCache;
+ pc = ps->peercontext;
}
if (NULL == *httpSessionCache)
{
- /* get session for peer identity */
- cs = session_get (plugin ,&pi_in);
-
/* get peer context */
pc = GNUNET_CONTAINER_multihashmap_get (plugin->peers, &pi_in.hashPubKey);
/* Peer unknown */
if (pc==NULL)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"RECV: CREATING NEW PEER CONTEXT\n");
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);
}
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"RECV: PEER CONTEXT FOUND\n");
- }
conn_info = MHD_get_connection_info(mhd_connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS );
/* Incoming IPv4 connection */
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)
ipv6addr.u6_port = addrin6->sin6_port;
addr = &ipv6addr;
addr_len = sizeof(struct IPv6HttpAddress);
- con = session_check_inbound_address (plugin, cs, &ipv6addr, sizeof (struct IPv6HttpAddress));
}
- /* Set closure and update current session*/
- ps = get_HTTP_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)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"RECV: CREATING NEW SESSION %s\n",http_plugin_address_to_string(NULL, addr, addr_len));
- ps = GNUNET_malloc(sizeof (struct HTTP_Session));
+ ps = GNUNET_malloc(sizeof (struct Session));
ps->addr = GNUNET_malloc(addr_len);
memcpy(ps->addr,addr,addr_len);
ps->addrlen = addr_len;
- ps->direction=GNUNET_NO;
+ ps->direction=INBOUND;
ps->pending_msgs_head = NULL;
ps->pending_msgs_tail = NULL;
- ps->url = create_url (plugin, ps->addr, ps->addrlen);
+ 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);
}
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"RECV: SESSION CONTEXT FOUND\n");
- }
- *httpSessionCache = con;
- if (con->msgtok==NULL)
- con->msgtok = GNUNET_SERVER_mst_create (&mhd_write_mst_cb, con);
+ *httpSessionCache = 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(&cs->identity),
- http_plugin_address_to_string(NULL, con->addr, con->addrlen));
+ GNUNET_i2s(&pc->identity),
+ http_plugin_address_to_string(NULL, ps->addr, ps->addrlen));
}
/* Is it a PUT or a GET request */
if (0 == strcmp (MHD_HTTP_METHOD_PUT, method))
{
- if ((*upload_data_size == 0) && (con->is_put_in_progress==GNUNET_NO))
+ if (ps->recv_force_disconnect)
{
- con->is_put_in_progress = GNUNET_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) && (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;
}
/* Transmission of all data complete */
- if ((*upload_data_size == 0) && (con->is_put_in_progress == GNUNET_YES))
+ if ((*upload_data_size == 0) && (ps->recv_active == GNUNET_YES))
{
- response = MHD_create_response_from_data (strlen (HTTP_PUT_RESPONSE),HTTP_PUT_RESPONSE, MHD_NO, MHD_NO);
- res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
- 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);
- return MHD_YES;
-
- con->is_put_in_progress = GNUNET_NO;
- con->is_bad_request = GNUNET_NO;
- return res;
+ response = MHD_create_response_from_data (strlen (HTTP_PUT_RESPONSE),HTTP_PUT_RESPONSE, MHD_NO, MHD_NO);
+ res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: Sent HTTP/1.1: 200 OK as PUT Response\n",ps);
+#endif
+ MHD_destroy_response (response);
+ ps->recv_active=GNUNET_NO;
+ return MHD_YES;
}
/* Recieving data */
- if ((*upload_data_size > 0) && (con->is_put_in_progress == GNUNET_YES))
+ if ((*upload_data_size > 0) && (ps->recv_active == GNUNET_YES))
{
- res = GNUNET_SERVER_mst_receive(con->msgtok, con, upload_data,*upload_data_size, GNUNET_NO, GNUNET_NO);
+ res = GNUNET_SERVER_mst_receive(ps->msgtok, ps, upload_data,*upload_data_size, GNUNET_NO, GNUNET_NO);
(*upload_data_size) = 0;
return MHD_YES;
}
}
if ( 0 == strcmp (MHD_HTTP_METHOD_GET, method) )
{
- response = MHD_create_response_from_callback(-1,32 * 1024, &server_read_callback, con, NULL);
+ if (ps->send_force_disconnect)
+ {
+#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;
+#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);
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"HTTP Daemon has new an incoming `%s' request from peer `%s' (`%s')\n",
- method,
- GNUNET_i2s(&cs->identity),
- http_plugin_address_to_string(NULL, con->addr, con->addrlen));
-
-
- return res;
+ return MHD_YES;
}
return MHD_NO;
}
return;
}
+/**
+ * Function setting up curl handle and selecting message to send
+ * @param cls plugin
+ * @param ses session to send data to
+ * @param con connection
+ * @return bytes sent to peer
+ */
+static ssize_t send_check_connections (void *cls, struct Session *ps);
-static size_t curl_header_function( void *ptr, size_t size, size_t nmemb, void *stream)
+static size_t curl_get_header_function( void *ptr, size_t size, size_t nmemb, void *stream)
{
- struct HTTP_Session * ps = stream;
+ struct Session * ps = stream;
char * tmp;
size_t len = size * nmemb;
long http_result = 0;
int res;
-
/* Getting last http result code */
if (ps->recv_connected==GNUNET_NO)
{
if (http_result == 200)
{
ps->recv_connected = GNUNET_YES;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound connected\n",ps);
+ 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);
}
}
}
return size * nmemb;
}
+static size_t curl_put_header_function( 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))
+ {
+ 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 ((http_result == 200) && (ps->send_connected==GNUNET_YES))
+ {
+ ps->send_connected = GNUNET_NO;
+ ps->send_active = GNUNET_NO;
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: sending disconnected\n",ps);
+#endif
+ }
+ }
+
+ tmp = NULL;
+ if ((size * nmemb) < SIZE_MAX)
+ tmp = GNUNET_malloc (len+1);
+
+ if ((tmp != NULL) && (len > 0))
+ {
+ memcpy(tmp,ptr,len);
+ if (len>=2)
+ {
+ if (tmp[len-2] == 13)
+ tmp[len-2]= '\0';
+ }
+#if DEBUG_HTTP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Header: `%s' %u \n",tmp, http_result);
+#endif
+ }
+ if (NULL != tmp)
+ GNUNET_free (tmp);
+
+ return size * nmemb;
+}
+
/**
* Callback method used with libcurl
* Method is called when libcurl needs to read data during sending
* @param ptr source pointer, passed to the libcurl handle
* @return bytes written to stream
*/
-static size_t send_curl_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 HTTP_Session * ps = ptr;
+ struct Session * ps = ptr;
struct HTTP_Message * msg = ps->pending_msgs_tail;
size_t bytes_sent;
size_t len;
if (ps->pending_msgs_tail == NULL)
{
+#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;
}
if ( msg->pos == msg->size)
{
+#if DEBUG_CONNECTIONS
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: Message with %u bytes sent, removing message from queue \n",ps, msg->pos);
+#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);
* @param ptr destination pointer, passed to the libcurl handle
* @return bytes read from stream
*/
-static size_t send_curl_write_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 HTTP_Session * ps = ptr;
+ struct Session * ps = ptr;
+#if DEBUG_CONNECTIONS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: %u bytes received\n",ps, size*nmemb);
+#endif
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: %u bytes recieved\n",ps, size*nmemb);
- 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 HTTP_Session *ps)
+static ssize_t send_check_connections (void *cls, struct Session *ps)
{
struct Plugin *plugin = cls;
int bytes_sent = 0;
if (ps->direction == OUTBOUND)
{
+ /* RECV DIRECTION */
/* Check if session is connected to receive data, otherwise connect to peer */
if (ps->recv_connected == GNUNET_NO)
{
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_header_function);
+ 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_read_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_write_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);
curl_multi_strerror (mret));
return -1;
}
-
- if (ps->msgtok != NULL)
- ps->msgtok = GNUNET_SERVER_mst_create (&curl_write_mst_cb, ps);
+ bytes_sent = send_schedule (plugin, NULL);
+#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 0;
+
+ /* 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_connected == GNUNET_NO)
+ 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 bytes_sent;
}
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
curl_easy_pause(ps->send_endpoint,CURLPAUSE_CONT);
ps->send_active=GNUNET_YES;
return bytes_sent;
}
}
-
/* not connected, initiate connection */
- if ( NULL == ps->send_endpoint)
+ if ((ps->send_connected==GNUNET_NO) && (NULL == ps->send_endpoint))
ps->send_endpoint = curl_easy_init();
GNUNET_assert (ps->send_endpoint != NULL);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound not connected, initiating connection\n",ps);
-
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
#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_READFUNCTION, send_curl_read_callback);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_HEADERFUNCTION, &curl_put_header_function);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_WRITEHEADER, ps);
+ curl_easy_setopt(ps->send_endpoint, CURLOPT_READFUNCTION, curl_send_cb);
curl_easy_setopt(ps->send_endpoint, CURLOPT_READDATA, ps);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_WRITEFUNCTION, send_curl_write_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);
curl_multi_strerror (mret));
return -1;
}
- ps->send_connected = GNUNET_YES;
bytes_sent = send_schedule (plugin, NULL);
return bytes_sent;
}
if (ps->direction == INBOUND)
{
GNUNET_assert (NULL != ps->pending_msgs_tail);
+ bytes_sent = 0;
msg = ps->pending_msgs_tail;
- if ((ps->recv_connected==GNUNET_YES) && (ps->recv_connected==GNUNET_YES))
+ if ((ps->recv_connected==GNUNET_YES) && (ps->send_connected==GNUNET_YES))
bytes_sent = msg->size;
return bytes_sent;
}
+ return 0;
}
static void send_execute (void *cls,
int running;
struct CURLMsg *msg;
CURLMcode mret;
- struct HTTP_Session *ps = NULL;
+ struct Session *ps = NULL;
struct HTTP_PeerContext *pc = NULL;
struct HTTP_Message * cur_msg = NULL;
long http_result;
/* sending msg failed*/
if (msg->easy_handle == ps->send_endpoint)
{
+#if DEBUG_CONNECTIONS
GNUNET_log(GNUNET_ERROR_TYPE_INFO,
_("Connection %X: HTTP PUT to peer `%s' (`%s') failed: `%s' `%s'\n"),
ps,
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,msg->easy_handle);
curl_easy_cleanup(ps->send_endpoint);
ps->send_endpoint=NULL;
cur_msg = ps->pending_msgs_tail;
/* 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,
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,msg->easy_handle);
curl_easy_cleanup(ps->recv_endpoint);
ps->recv_endpoint=NULL;
}
if (msg->easy_handle == ps->send_endpoint)
{
GNUNET_assert (CURLE_OK == curl_easy_getinfo(msg->easy_handle, CURLINFO_RESPONSE_CODE, &http_result));
+#if DEBUG_CONNECTIONS
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Connection %X: HTTP PUT connection to peer `%s' (`%s') was closed with HTTP code %u\n",
ps,
GNUNET_i2s(&pc->identity),
http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
http_result);
-
+#endif
/* Calling transmit continuation */
cur_msg = ps->pending_msgs_tail;
if (( NULL != cur_msg) && (NULL != cur_msg->transmit_cont))
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,msg->easy_handle);
curl_easy_cleanup(ps->send_endpoint);
ps->send_endpoint =NULL;
}
if (msg->easy_handle == ps->recv_endpoint)
{
+#if DEBUG_CONNECTIONS
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Connection %X: HTTP GET connection to peer `%s' (`%s') was closed with HTTP code %u\n",
ps,
GNUNET_i2s(&pc->identity),
http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
http_result);
-
+#endif
ps->recv_connected = GNUNET_NO;
+ ps->recv_active = GNUNET_NO;
+ curl_multi_remove_handle(plugin->multi_handle,msg->easy_handle);
curl_easy_cleanup(ps->recv_endpoint);
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 HTTP_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 */
if (pc==NULL)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"SEND: CREATING NEW PEER CONTEXT\n");
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);
}
- else
+
+ /* Search for existing session using the passed address */
+ if ((addr!=NULL) && (addrlen != 0))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"SEND: PEER CONTEXT FOUND\n");
+ ps = get_Session(plugin, pc, addr, addrlen);
}
- ps = get_HTTP_Session(plugin, pc, addr, addrlen);
- /* session not existing, but address forced -> creating new session */
- if ((ps==NULL) && (force_address == GNUNET_YES))
+ if (ps != NULL)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Found existing connection to peer %s with given address, using %X\n", GNUNET_i2s(target), ps);
+
+ /* Search for existing session using the passed session */
+ if ((ps==NULL) && (force_address != GNUNET_YES))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"SEND: CREATING NEW SESSION %s\n",http_plugin_address_to_string(NULL, addr, addrlen));
- ps = GNUNET_malloc(sizeof (struct HTTP_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->url = create_url (plugin, ps->addr, ps->addrlen);
- GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
+ ps_tmp = pc->head;
+ while (ps_tmp!=NULL)
+ {
+ if ((ps_tmp==session) && (ps_tmp->recv_force_disconnect==GNUNET_NO) && (ps_tmp->send_force_disconnect==GNUNET_NO) &&
+ (ps_tmp->recv_connected==GNUNET_YES) && (ps_tmp->send_connected==GNUNET_YES))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Found existing connection to peer %s with given session, using inbound session %X\n", GNUNET_i2s(target), ps_tmp);
+ ps = ps_tmp;
+ break;
+ }
+ ps_tmp=ps_tmp->next;
+ }
}
+
/* session not existing, address not forced -> looking for other session */
- if ((ps==NULL) && (force_address == GNUNET_NO))
+ if ((ps==NULL) && (force_address != GNUNET_YES))
{
- /* FIXME: CREATING SESSION, SHOULD CHOOSE EXISTING */
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"SEND: CREATING NEW SESSION %s\n",http_plugin_address_to_string(NULL, addr, addrlen));
- ps = GNUNET_malloc(sizeof (struct HTTP_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->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));
}
- if ((ps==NULL) && (force_address == GNUNET_SYSERR))
+
+ /* session not existing, but address forced -> creating new session */
+ if ((ps==NULL) || ((ps==NULL) && (force_address == GNUNET_YES)))
{
- /* FIXME: CREATING SESSION, SHOULD CHOOSE EXISTING */
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"SEND: CREATING NEW SESSION %s\n",http_plugin_address_to_string(NULL, addr, addrlen));
- ps = GNUNET_malloc(sizeof (struct HTTP_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->url = create_url (plugin, ps->addr, ps->addrlen);
- GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
- }
+ 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));
- 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);
+ 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);
}
http_plugin_disconnect (void *cls,
const struct GNUNET_PeerIdentity *target)
{
+
struct Plugin *plugin = cls;
- struct HTTP_Connection *con;
- struct Session *cs;
+ struct HTTP_PeerContext *pc = NULL;
+ struct Session *ps = NULL;
+
+ pc = GNUNET_CONTAINER_multihashmap_get (plugin->peers, &target->hashPubKey);
+ if (pc==NULL)
+ return;
- /* get session from hashmap */
- cs = session_get(plugin, target);
- con = cs->outbound_connections_head;
+ ps = pc->head;
- while (con!=NULL)
+ while (ps!=NULL)
{
- if (con->put_curl_handle!=NULL)
- curl_easy_cleanup(con->put_curl_handle);
- con->put_curl_handle=NULL;
- con->put_connected = GNUNET_NO;
- while (con->pending_msgs_head!=NULL)
+ if (ps->direction==OUTBOUND)
{
- //remove_http_message(con, con->pending_msgs_head);
+ if (ps->send_endpoint!=NULL)
+ {
+ curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint);
+ curl_easy_cleanup(ps->send_endpoint);
+ ps->send_endpoint=NULL;
+ ps->send_force_disconnect = GNUNET_YES;
+ }
+ if (ps->recv_endpoint!=NULL)
+ {
+ curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint);
+ curl_easy_cleanup(ps->recv_endpoint);
+ ps->recv_endpoint=NULL;
+ ps->recv_force_disconnect = GNUNET_YES;
+ }
+ }
+ if (ps->direction==INBOUND)
+ {
+ ps->recv_force_disconnect = GNUNET_YES;
+ ps->send_force_disconnect = GNUNET_YES;
+ }
+ while (ps->pending_msgs_head!=NULL)
+ {
+ remove_http_message(ps, ps->pending_msgs_head);
}
- con=con->next;
+ ps->recv_active = GNUNET_NO;
+ ps->send_active = GNUNET_NO;
+ ps=ps->next;
}
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"All connections to peer `%s' terminated\n", GNUNET_i2s(target));
}
return GNUNET_OK;
}
-int hashMapFreeIterator (void *cls, const GNUNET_HashCode *key, void *value)
-{
- struct Session * cs = value;
- struct HTTP_Connection * con = cs->outbound_connections_head;
- struct HTTP_Connection * tmp_con = cs->outbound_connections_head;
- struct HTTP_Message * msg = NULL;
- struct HTTP_Message * tmp_msg = NULL;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Freeing session for peer `%s'\n",GNUNET_i2s(&cs->identity));
-
- /* freeing connections */
- while (con!=NULL)
- {
- GNUNET_free(con->url);
- if (con->put_curl_handle!=NULL)
- curl_easy_cleanup(con->put_curl_handle);
- con->put_curl_handle = NULL;
- msg = con->pending_msgs_head;
- while (msg!=NULL)
- {
- tmp_msg=msg->next;
- GNUNET_free(msg);
- msg = tmp_msg;
- }
- tmp_con=con->next;
- GNUNET_free(con);
- con=tmp_con;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"All sessions freed \n");
-
- GNUNET_free (cs);
- return GNUNET_YES;
-}
-
-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 HTTP_Session * ps = pc->head;
- struct HTTP_Session * tmp = NULL;
+ struct Session * ps = pc->head;
+ struct Session * tmp = NULL;
struct HTTP_Message * msg = NULL;
struct HTTP_Message * msg_tmp = NULL;
{
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);
GNUNET_assert(cls !=NULL);
-
if ( plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK)
{
GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_server_task_v4);
plugin->http_server_daemon_v6 = NULL;
}
- /* free all sessions */
- GNUNET_CONTAINER_multihashmap_iterate (plugin->sessions,
- &hashMapFreeIterator,
- NULL);
/* free all peer information */
GNUNET_CONTAINER_multihashmap_iterate (plugin->peers,
- &peer_context_Iterator,
+ &remove_peer_context_Iterator,
NULL);
-
- GNUNET_CONTAINER_multihashmap_destroy (plugin->sessions);
GNUNET_CONTAINER_multihashmap_destroy (plugin->peers);
mret = curl_multi_cleanup(plugin->multi_handle);
plugin = GNUNET_malloc (sizeof (struct Plugin));
plugin->env = env;
- plugin->sessions = NULL;
+ plugin->peers = NULL;
api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
api->cls = plugin;
{
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)
return NULL;
}
- plugin->sessions = GNUNET_CONTAINER_multihashmap_create (10);
plugin->peers = GNUNET_CONTAINER_multihashmap_create (10);
GNUNET_OS_network_interfaces_list (&process_interfaces, plugin);