static int
check ()
{
void *ret;
GNUNET_log_skip (1, GNUNET_NO);
ret = GNUNET_PLUGIN_load ("libgnunet_plugin_missing", NULL);
GNUNET_log_skip (0, GNUNET_NO);
if (ret != NULL)
return 1;
ret = GNUNET_PLUGIN_load ("libgnunet_plugin_test", "in");
if (ret == NULL)
return 1;
if (0 != strcmp (ret, "Hello"))
return 2;
ret = GNUNET_PLUGIN_unload ("libgnunet_plugin_test", "out");
if (ret == NULL)
return 3;
if (0 != strcmp (ret, "World"))
return 4;
free (ret);
GNUNET_PLUGIN_load_all ("libgnunet_plugin_tes", "in", &test_cb, "test");
return 0;
}
/**
* Function called when the service shuts down. Unloads our namestore
* plugin.
*
* @param api api to unload
*/
static void
unload_plugin (struct GNUNET_NAMESTORE_PluginFunctions *api)
{
char *libname;
GNUNET_asprintf (&libname, "libgnunet_plugin_namestore_%s", plugin_name);
GNUNET_break (NULL == GNUNET_PLUGIN_unload (libname, api));
GNUNET_free (libname);
}
/**
* Shutdown address subsystem.
*/
void
GAS_plugin_done ()
{
GNUNET_PLUGIN_unload (plugin,
sf);
sf = NULL;
GNUNET_free (plugin);
plugin = NULL;
}
static void
test_cb (void *cls, const char *libname, void *lib_ret)
{
void *ret;
GNUNET_assert (0 == strcmp (cls, "test"));
GNUNET_assert (0 == strcmp (lib_ret, "Hello"));
ret = GNUNET_PLUGIN_unload (libname, "out");
GNUNET_assert (NULL != ret);
GNUNET_assert (0 == strcmp (ret, "World"));
}
/**
* Unload all plugins
*/
void
GST_plugins_unload ()
{
struct TransportPlugin *plug;
while (NULL != (plug = plugins_head))
{
GNUNET_break (NULL == GNUNET_PLUGIN_unload (plug->lib_name, plug->api));
GNUNET_free (plug->lib_name);
GNUNET_free (plug->short_name);
GNUNET_CONTAINER_DLL_remove (plugins_head, plugins_tail, plug);
GNUNET_free (plug);
}
}
/**
* Destroy a data cache (and free associated resources).
*
* @param h handle to the datastore
*/
void
GNUNET_DATACACHE_destroy (struct GNUNET_DATACACHE_Handle *h)
{
if (NULL != h->filter)
GNUNET_CONTAINER_bloomfilter_free (h->filter);
if (h->api != NULL)
GNUNET_break (NULL == GNUNET_PLUGIN_unload (h->lib_name, h->api));
GNUNET_free (h->lib_name);
GNUNET_free (h->short_name);
GNUNET_free (h->section);
if (h->bloom_name != NULL)
{
if (0 != UNLINK (h->bloom_name))
GNUNET_log_from_strerror_file (GNUNET_ERROR_TYPE_WARNING, "datacache",
"unlink", h->bloom_name);
GNUNET_free (h->bloom_name);
}
GNUNET_STATISTICS_destroy (h->stats, GNUNET_NO);
GNUNET_free (h);
}
/**
* Load and initialize all plugins. The respective functions will be
* invoked by the plugins when the respective events happen. The
* closure will be set to a 'const char*' containing the name of the
* plugin that caused the call.
*
* @param recv_cb function to call when data is received
* @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
*/
void
GST_plugins_load (GNUNET_TRANSPORT_PluginReceiveCallback recv_cb,
GNUNET_TRANSPORT_AddressNotification address_cb,
GNUNET_TRANSPORT_SessionStart session_start_cb,
GNUNET_TRANSPORT_SessionEnd session_end_cb)
{
struct TransportPlugin *plug;
struct TransportPlugin *next;
unsigned long long tneigh;
char *libname;
char *plugs;
char *pos;
int fail;
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_number (GST_cfg,
"TRANSPORT",
"NEIGHBOUR_LIMIT",
&tneigh))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Transport service is lacking NEIGHBOUR_LIMIT option.\n"));
return;
}
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (GST_cfg,
"TRANSPORT",
"PLUGINS",
&plugs))
return;
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"),
pos);
GNUNET_asprintf (&libname,
"libgnunet_plugin_transport_%s",
pos);
plug = GNUNET_new (struct TransportPlugin);
plug->short_name = GNUNET_strdup (pos);
plug->lib_name = libname;
plug->env.cfg = GST_cfg;
plug->env.my_identity = &GST_my_identity;
plug->env.get_our_hello = &GST_hello_get;
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 = &plugin_env_address_to_type;
plug->env.update_address_distance = &plugin_env_update_distance;
plug->env.max_connections = tneigh;
plug->env.stats = GST_stats;
GNUNET_CONTAINER_DLL_insert (plugins_head,
plugins_tail,
plug);
}
GNUNET_free (plugs);
next = plugins_head;
while (NULL != next)
{
plug = next;
next = plug->next;
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"),
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);
GNUNET_free (plug);
}
}
}
