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Allow plugins to provide an error message. Useful for reporting problems

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when registering the plugins.
This commit is contained in:
Jan Vidar Krey
2010-07-29 08:41:26 +02:00
parent 920d696ff5
commit 97feb3635e
4 changed files with 45 additions and 27 deletions
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18
src/core/hub.c
View File

@@ -826,22 +826,12 @@ void hub_plugins_load(struct hub_info* hub)
void hub_plugins_unload(struct hub_info* hub)
{
if (!hub->plugins || !hub->plugins->loaded)
if (hub->plugins)
{
return;
plugin_shutdown(hub->plugins);
hub_free(hub->plugins);
hub->plugins = 0;
}
struct uhub_plugin_handle* plugin = (struct uhub_plugin_handle*) list_get_first(hub->plugins->loaded);
while (plugin)
{
plugin_unload(plugin);
plugin = (struct uhub_plugin_handle*) list_get_next(hub->plugins->loaded);
}
list_destroy(hub->plugins->loaded);
hub_free(hub->plugins->plugin_dir);
hub_free(hub->plugins);
hub->plugins = 0;
}
#endif

22
src/core/pluginloader.c
View File

@@ -105,7 +105,7 @@ struct uhub_plugin_handle* plugin_load(const char* filename, const char* config)
}
else
{
LOG_ERROR("Unable to load plugin: %s - Failed to initialize", filename);
LOG_ERROR("Unable to load plugin: %s - Failed to initialize: %s", filename, handle->error_msg);
}
}
@@ -127,10 +127,16 @@ static int plugin_parse_line(char* line, int line_count, void* ptr_data)
char *directive, *soname, *params;
if (cfg_token_count(tokens) == 0)
{
cfg_tokens_free(tokens);
return 0;
}
if (cfg_token_count(tokens) < 2)
{
cfg_tokens_free(tokens);
return -1;
}
directive = cfg_token_get_first(tokens);
soname = cfg_token_get_next(tokens);
@@ -141,12 +147,12 @@ static int plugin_parse_line(char* line, int line_count, void* ptr_data)
if (!params)
params = "";
LOG_TRACE("Load plugin: \"%s\", params=\"%s\"", soname, params);
struct uhub_plugin_handle* plugin = plugin_load(soname, params);
if (plugin)
{
list_append(handle->loaded, plugin);
cfg_tokens_free(tokens);
return 0;
}
}
@@ -175,5 +181,17 @@ int plugin_initialize(struct hub_config* config, struct uhub_plugins* handle)
return 0;
}
void plugin_shutdown(struct uhub_plugins* handle)
{
struct uhub_plugin_handle* plugin = (struct uhub_plugin_handle*) list_get_first(handle->loaded);
while (plugin)
{
list_remove(handle->loaded, plugin);
plugin_unload(plugin);
plugin = (struct uhub_plugin_handle*) list_get_first(handle->loaded);
}
list_destroy(handle->loaded);
}
#endif /* PLUGIN_SUPPORT */

2
src/core/pluginloader.h
View File

@@ -39,7 +39,6 @@ struct uhub_plugin
struct uhub_plugins
{
struct linked_list* loaded;
char* plugin_dir;
};
// High level plugin loader ode
@@ -48,6 +47,7 @@ extern void plugin_unload(struct uhub_plugin_handle* plugin);
// extern void plugin_unload(struct uhub_plugin_handle*);
extern int plugin_initialize(struct hub_config* config, struct uhub_plugins* handle);
extern void plugin_shutdown(struct uhub_plugins* handle);
// Low level plugin loader code (used internally)
extern struct uhub_plugin* plugin_open(const char* filename);