* plugin that caused the call.
*
* @param recv_cb function to call when data is received
+ * @param register_quota_cb function to call to register a quota callback
+ * @param unregister_quota_cb function to call to unregister a quota callback
* @param address_cb function to call when our public addresses changed
+ * @param session_start_cb function to call when a session was created
* @param session_end_cb function to call when a session was terminated
+ * @param address_type_cb function to call when a address type is requested
+ * @param metric_update_cb function to call when address metrics change
*/
void
GST_plugins_load (GNUNET_TRANSPORT_PluginReceiveCallback recv_cb,
+ GNUNET_TRANSPORT_RegisterQuotaNotification register_quota_cb,
+ GNUNET_TRANSPORT_UnregisterQuotaNotification unregister_quota_cb,
GNUNET_TRANSPORT_AddressNotification address_cb,
- GNUNET_TRANSPORT_SessionEnd session_end_cb)
+ GNUNET_TRANSPORT_SessionStart session_start_cb,
+ GNUNET_TRANSPORT_SessionEnd session_end_cb,
+ GNUNET_TRANSPORT_AddressToType address_type_cb,
+ GNUNET_TRANSPORT_UpdateAddressMetrics metric_update_cb)
{
struct TransportPlugin *plug;
struct TransportPlugin *next;
char *libname;
char *plugs;
char *pos;
+ int fail;
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_number (GST_cfg, "TRANSPORT",
GNUNET_CONFIGURATION_get_value_string (GST_cfg, "TRANSPORT", "PLUGINS",
&plugs))
return;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Starting transport plugins `%s'\n"),
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Starting transport plugins `%s'\n"),
plugs);
for (pos = strtok (plugs, " "); pos != NULL; pos = strtok (NULL, " "))
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Loading `%s' transport plugin\n"),
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Loading `%s' transport plugin\n"),
pos);
GNUNET_asprintf (&libname, "libgnunet_plugin_transport_%s", pos);
- plug = GNUNET_malloc (sizeof (struct TransportPlugin));
+ plug = GNUNET_new (struct TransportPlugin);
plug->short_name = GNUNET_strdup (pos);
plug->lib_name = libname;
plug->env.cfg = GST_cfg;
plug->env.cls = plug->short_name;
plug->env.receive = recv_cb;
plug->env.notify_address = address_cb;
+ plug->env.session_start = session_start_cb;
plug->env.session_end = session_end_cb;
+ plug->env.get_address_type = address_type_cb;
+ plug->env.update_address_metrics = metric_update_cb;
+ plug->env.register_quota_notification = register_quota_cb;
+ plug->env.unregister_quota_notification = unregister_quota_cb;
plug->env.max_connections = tneigh;
plug->env.stats = GST_stats;
GNUNET_CONTAINER_DLL_insert (plugins_head, plugins_tail, plug);
{
plug = next;
next = plug->next;
- plug->api = GNUNET_PLUGIN_load (libname, &plug->env);
- if (plug->api == NULL)
+ plug->api = GNUNET_PLUGIN_load (plug->lib_name, &plug->env);
+ if (NULL == plug->api)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to load transport plugin for `%s'\n"), pos);
+ _("Failed to load transport plugin for `%s'\n"),
+ plug->lib_name);
+ GNUNET_CONTAINER_DLL_remove (plugins_head, plugins_tail, plug);
+ GNUNET_free (plug->short_name);
+ GNUNET_free (plug->lib_name);
+ GNUNET_free (plug);
+ continue;
+ }
+ fail = GNUNET_NO;
+ if (NULL == plug->api->address_pretty_printer)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "address_pretty_printer",
+ plug->lib_name);
+ }
+ if (NULL == plug->api->address_to_string)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "address_to_string",
+ plug->lib_name);
+ }
+ if (NULL == plug->api->string_to_address)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "string_to_address",
+ plug->lib_name);
+ }
+ if (NULL == plug->api->check_address)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "check_address",
+ plug->lib_name);
+ }
+ if (NULL == plug->api->get_session)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "get_session",
+ plug->lib_name);
+ }
+ if (NULL == plug->api->get_network)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "get_network",
+ plug->lib_name);
+ }
+ if (NULL == plug->api->send)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "send",
+ plug->lib_name);
+ }
+ if (NULL == plug->api->disconnect_peer)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "disconnect_peer",
+ plug->lib_name);
+ }
+ if (NULL == plug->api->disconnect_session)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "disconnect_session",
+ plug->lib_name);
+ }
+ if (NULL == plug->api->query_keepalive_factor)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "query_keepalive_factor",
+ plug->lib_name);
+ }
+ if (NULL == plug->api->update_session_timeout)
+ {
+ fail = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Missing function `%s' in transport plugin for `%s'\n"),
+ "update_session_timeout",
+ plug->lib_name);
+ }
+ if (GNUNET_YES == fail)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Did not load plugin `%s' due to missing functions\n"),
+ plug->lib_name);
+ GNUNET_break (NULL == GNUNET_PLUGIN_unload (plug->lib_name, plug->api));
GNUNET_CONTAINER_DLL_remove (plugins_head, plugins_tail, plug);
GNUNET_free (plug->short_name);
GNUNET_free (plug->lib_name);
}
+/**
+ * Obtain the plugin API based on a the stripped plugin name after the underscore.
+ *
+ * Example: GST_plugins_printer_find (http_client) will return all plugins
+ * starting with the prefix "http":
+ * http_client or server if loaded
+ *
+ * @param name name of the plugin
+ * @return the plugin's API, NULL if the plugin is not loaded
+ */
+struct GNUNET_TRANSPORT_PluginFunctions *
+GST_plugins_printer_find (const char *name)
+{
+ struct TransportPlugin *head = plugins_head;
+
+ char *stripped = GNUNET_strdup (name);
+ char *sep = strchr (stripped, '_');
+ if (NULL != sep)
+ sep[0] = '\0';
+
+ while (head != NULL)
+ {
+ if (head->short_name == strstr (head->short_name, stripped))
+ break;
+ head = head->next;
+ }
+ GNUNET_free (stripped);
+ if (NULL == head)
+ return NULL;
+ return head->api;
+}
+
+
/**
* Convert a given address to a human-readable format. Note that the
* return value will be overwritten on the next call to this function.
GST_plugins_a2s (const struct GNUNET_HELLO_Address *address)
{
struct GNUNET_TRANSPORT_PluginFunctions *api;
+ static char unable_to_show[1024];
+ static const char *s;
if (address == NULL)
- return "<inbound>";
- api = GST_plugins_find (address->transport_name);
- if ((api == NULL) || (address->address_length == 0) || (address->address == NULL))
- return NULL;
- return api->address_to_string (NULL, address->address, address->address_length);
+ {
+ GNUNET_break (0); /* a HELLO address cannot be NULL */
+ return "<invalid>";
+ }
+ if (0 == address->address_length)
+ return TRANSPORT_SESSION_INBOUND_STRING; /* Addresse with length 0 are inbound, address->address itself may be NULL */
+ api = GST_plugins_printer_find (address->transport_name);
+ if (NULL == api)
+ return "<plugin unknown>";
+ if (0 == address->address_length)
+ {
+ GNUNET_snprintf (unable_to_show, sizeof (unable_to_show),
+ "<unable to stringify %u-byte long address of %s transport>",
+ (unsigned int) address->address_length,
+ address->transport_name);
+ return unable_to_show;
+ }
+ return (NULL != (s = api->address_to_string (NULL, address->address,
+ address->address_length)) ? s : "<invalid>");
}