struct WelcomeMessage
{
/**
- * Type is GNUNET_MESSAGE_TYPE_TRANSPORT_TCP_WELCOME.
+ * Type is #GNUNET_MESSAGE_TYPE_TRANSPORT_TCP_WELCOME.
*/
struct GNUNET_MessageHeader header;
struct TCP_NAT_ProbeMessage
{
/**
- * Type is GNUNET_MESSAGE_TYPE_TRANSPORT_TCP_NAT_PROBE.
+ * Type is #GNUNET_MESSAGE_TYPE_TRANSPORT_TCP_NAT_PROBE.
*/
struct GNUNET_MessageHeader header;
*/
static struct Session *
lookup_session_by_client (struct Plugin *plugin,
- const struct GNUNET_SERVER_Client *client)
+ struct GNUNET_SERVER_Client *client)
{
struct Session *ret;
struct SessionClientCtx sc_ctx;
&session->target,
session));
}
- GNUNET_SERVER_client_set_user_context (session->client,
- (void *) NULL);
+ if (NULL != session->client)
+ GNUNET_SERVER_client_set_user_context (session->client,
+ (void *) NULL);
/* clean up state */
if (NULL != session->transmit_handle)
}
+/**
+ * Function that is called to get the keepalive factor.
+ * GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT is divided by this number to
+ * calculate the interval between keepalive packets.
+ *
+ * @param cls closure with the `struct Plugin`
+ * @return keepalive factor
+ */
+static unsigned int
+tcp_query_keepalive_factor (void *cls)
+{
+ return 3;
+}
+
+
/**
* Session was idle, so disconnect it
*
char *cbuf;
size_t ret;
- GNUNET_assert (NULL != session);
session->transmit_handle = NULL;
plugin = session->plugin;
if (NULL == buf)
{
struct PendingMessage *pm;
- GNUNET_assert (session->client != NULL);
- if (session->transmit_handle != NULL)
+ GNUNET_assert (NULL != session->client);
+ if (NULL != session->transmit_handle)
return;
if (NULL == (pm = session->pending_messages_head))
return;
&session->target,
session))
{
- GNUNET_assert (session->client != NULL);
- reschedule_session_timeout (session);
+ GNUNET_assert (NULL != session->client);
GNUNET_SERVER_client_set_timeout (session->client,
GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT);
GNUNET_STATISTICS_update (plugin->env->stats,
process_pending_messages (session);
return msgbuf_size;
}
- else if (GNUNET_YES == GNUNET_CONTAINER_multipeermap_contains_value(plugin->nat_wait_conns, &session->target, session))
+ else if (GNUNET_YES ==
+ GNUNET_CONTAINER_multipeermap_contains_value(plugin->nat_wait_conns,
+ &session->target,
+ session))
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"This NAT WAIT session for peer `%s' is not yet ready!\n",
GNUNET_i2s (&session->target));
- reschedule_session_timeout (session);
GNUNET_STATISTICS_update (plugin->env->stats,
gettext_noop ("# bytes currently in TCP buffers"),
msgbuf_size, GNUNET_NO);
LOG (GNUNET_ERROR_TYPE_ERROR,
"Invalid session %p\n", session);
if (NULL != cont)
- cont (cont_cls, &session->target, GNUNET_SYSERR, pm->message_size, 0);
+ cont (cont_cls,
+ &session->target,
+ GNUNET_SYSERR,
+ pm->message_size,
+ 0);
GNUNET_break (0);
GNUNET_free (pm);
return GNUNET_SYSERR; /* session does not exist here */
{
struct SessionItCtx * si_ctx = cls;
struct Session * session = value;
-#if 0
- char * a1 = strdup (tcp_address_to_string(NULL, session->addr, session->addrlen));
- char * a2 = strdup (tcp_address_to_string(NULL, si_ctx->addr, si_ctx->addrlen));
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Comparing: %s %u <-> %s %u\n",
- a1,
- session->addrlen,
- a2,
- si_ctx->addrlen);
- GNUNET_free (a1);
- GNUNET_free (a2);
-#endif
+
if (session->addrlen != si_ctx->addrlen)
return GNUNET_YES;
if (0 != memcmp (session->addr, si_ctx->addr, si_ctx->addrlen))
return GNUNET_YES;
-#if 0
- a1 = strdup (tcp_address_to_string (NULL, session->addr, session->addrlen));
- a2 = strdup (tcp_address_to_string (NULL, si_ctx->addr, si_ctx->addrlen));
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Comparing: %s %u <-> %s %u , OK!\n",
- a1,
- session->addrlen,
- a2,
- si_ctx->addrlen);
- GNUNET_free (a1);
- GNUNET_free (a2);
-#endif
/* Found existing session */
si_ctx->result = session;
return GNUNET_NO;
}
+static void
+tcp_plugin_update_session_timeout (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ struct Session *session)
+{
+ struct Plugin *plugin = cls;
+
+ if (GNUNET_SYSERR == find_session (plugin, session))
+ return;
+ reschedule_session_timeout (session);
+}
+
+
/**
* Create a new session to transmit data to the target
* This session will used to send data to this peer and the plugin will
GNUNET_YES);
session->addrlen = 0;
session->addr = NULL;
- session->ats_address_network_type = (enum GNUNET_ATS_Network_Type) ntohl (ats.value)
-;
+ session->ats_address_network_type = (enum GNUNET_ATS_Network_Type) ntohl (ats.value);
GNUNET_break (session->ats_address_network_type != GNUNET_ATS_NET_UNSPECIFIED);
session->nat_connection_timeout = GNUNET_SCHEDULER_add_delayed (NAT_TIMEOUT,
&nat_connect_timeout,
/* create new outbound session */
GNUNET_assert (plugin->cur_connections <= plugin->max_connections);
sa = GNUNET_CONNECTION_create_from_sockaddr (af, sb, sbs);
- if (sa == NULL)
+ if (NULL == sa)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Failed to create connection to `%4s' at `%s'\n",
ppc_cancel_task (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- int count = 0;
struct PrettyPrinterContext *ppc = cls;
- struct PrettyPrinterContext *cur;
- for (cur = ppc_dll_head; (NULL != cur); cur = cur->next)
- {
- if (cur != ppc)
- count++;
- }
-
- // GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cancel request %p, %u pending\n", ppc, count);
ppc->timeout_task = GNUNET_SCHEDULER_NO_TASK;
if (NULL != ppc->resolver_handle)
{
struct PrettyPrinterContext *ppc = cls;
struct PrettyPrinterContext *cur;
char *ret;
- int count = 0;
- for (cur = ppc_dll_head; (NULL != cur); cur = cur->next)
- {
- if (cur != ppc)
- count++;
- }
- //GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Callback request %p == %s, %u pending\n", ppc, hostname, count);
- if (hostname == NULL)
+ if (NULL == hostname)
{
ppc->asc (ppc->asc_cls, NULL);
GNUNET_CONTAINER_DLL_remove (ppc_dll_head, ppc_dll_tail, ppc);
GNUNET_SCHEDULER_cancel (ppc->timeout_task);
ppc->timeout_task = GNUNET_SCHEDULER_NO_TASK;
ppc->resolver_handle = NULL;
- //GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Done request %p, %u pending\n", ppc, count);
GNUNET_free (ppc);
return;
}
for (cur = ppc_dll_head; (NULL != cur); cur = cur->next)
- {
- if (cur == ppc)
- break;
- }
+ if (cur == ppc)
+ break;
if (NULL == cur)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Invalid callback for PPC %p \n", ppc);
- return;
+ GNUNET_break (0);
+ return;
}
if (GNUNET_YES == ppc->ipv6)
- GNUNET_asprintf (&ret, "%s.%u.[%s]:%d", PLUGIN_NAME, ppc->options, hostname, ppc->port);
+ GNUNET_asprintf (&ret,
+ "%s.%u.[%s]:%d",
+ PLUGIN_NAME,
+ ppc->options,
+ hostname,
+ ppc->port);
else
- GNUNET_asprintf (&ret, "%s.%u.%s:%d", PLUGIN_NAME, ppc->options, hostname, ppc->port);
+ GNUNET_asprintf (&ret,
+ "%s.%u.%s:%d",
+ PLUGIN_NAME,
+ ppc->options,
+ hostname,
+ ppc->port);
ppc->asc (ppc->asc_cls, ret);
GNUNET_free (ret);
}
asc (asc_cls, NULL);
return;
}
- ppc = GNUNET_malloc (sizeof (struct PrettyPrinterContext));
+ ppc = GNUNET_new (struct PrettyPrinterContext);
if (addrlen == sizeof (struct IPv6TcpAddress))
ppc->ipv6 = GNUNET_YES;
else
* traffic to a 3rd party that might try to man-in-the-middle our
* traffic.
*
- * @param cls closure, our 'struct Plugin*'
+ * @param cls closure, our `struct Plugin *`
* @param addr pointer to the address
* @param addrlen length of addr
* @return #GNUNET_OK if this is a plausible address for this peer
if ((addrlen != sizeof (struct IPv4TcpAddress)) &&
(addrlen != sizeof (struct IPv6TcpAddress)))
{
-
-
- return GNUNET_SYSERR;
+ GNUNET_break_op (0);
+ return GNUNET_SYSERR;
}
if (addrlen == sizeof (struct IPv4TcpAddress))
v4 = (struct IPv4TcpAddress *) addr;
if (0 != memcmp (&v4->options, &myoptions, sizeof (myoptions)))
{
- GNUNET_break (0);
- return GNUNET_SYSERR;
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
}
if (GNUNET_OK != check_port (plugin, ntohs (v4->t4_port)))
return GNUNET_SYSERR;
gettext_noop ("# TCP WELCOME messages received"), 1,
GNUNET_NO);
session = lookup_session_by_client (plugin, client);
- if (session != NULL)
+ if (NULL != session)
{
- if (GNUNET_OK == GNUNET_SERVER_client_get_address (client, &vaddr, &alen))
+ if (GNUNET_OK ==
+ GNUNET_SERVER_client_get_address (client, &vaddr, &alen))
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Found existing session %p for peer `%s'\n",
else
{
GNUNET_SERVER_client_keep (client);
- if (plugin->service != NULL) /* Otherwise value is incremented in tcp_access_check */
+ if (NULL != plugin->service) /* Otherwise value is incremented in tcp_access_check */
plugin->cur_connections++;
if (plugin->cur_connections == plugin->max_connections)
GNUNET_SERVER_suspend (plugin->server); /* Maximum number of connections rechead */
/* Notify transport and ATS about new session */
if (GNUNET_YES == session->inbound)
{
- plugin->env->session_start (NULL, &wm->clientIdentity, PLUGIN_NAME,
- (GNUNET_YES == session->inbound) ? NULL : session->addr,
- (GNUNET_YES == session->inbound) ? 0 : session->addrlen,
- session, &ats, 1);
+ plugin->env->session_start (NULL,
+ &wm->clientIdentity,
+ PLUGIN_NAME,
+ (GNUNET_YES == session->inbound) ? NULL : session->addr,
+ (GNUNET_YES == session->inbound) ? 0 : session->addrlen,
+ session, &ats, 1);
}
-
process_pending_messages (session);
-
GNUNET_SERVER_client_set_timeout (client,
GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
* Task to signal the server that we can continue
* receiving from the TCP client now.
*
- * @param cls the 'struct Session*'
+ * @param cls the `struct Session*`
* @param tc task context (unused)
*/
static void
-delayed_done (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+delayed_done (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Session *session = cls;
/* FIXME: do we need to track these probe context objects so that
* we can clean them up on plugin unload? */
- tcp_probe_ctx = GNUNET_malloc (sizeof (struct TCPProbeContext));
+ tcp_probe_ctx = GNUNET_new (struct TCPProbeContext);
tcp_probe_ctx->message.header.size =
htons (sizeof (struct TCP_NAT_ProbeMessage));
tcp_probe_ctx->message.header.type =
api->get_session = &tcp_plugin_get_session;
api->disconnect_session = &tcp_disconnect_session;
+ api->query_keepalive_factor = &tcp_query_keepalive_factor;
api->disconnect_peer = &tcp_plugin_disconnect;
api->address_pretty_printer = &tcp_plugin_address_pretty_printer;
api->check_address = &tcp_plugin_check_address;
api->address_to_string = &tcp_address_to_string;
api->string_to_address = &tcp_string_to_address;
api->get_network = &tcp_get_network;
+ api->update_session_timeout = &tcp_plugin_update_session_timeout;
plugin->service = service;
if (NULL != service)
{
/**
* Exit point from the plugin.
+ *
+ * @param cls the `struct GNUNET_TRANSPORT_PluginFunctions`
+ * @return NULL
*/
void *
libgnunet_plugin_transport_tcp_done (void *cls)
projects / oweals / gnunet.git / blobdiff