added plugin read config op

Author: João Meira

include/mptcpd/plugin.h

@@ -345,6 +345,10 @@ MPTCPD_API bool mptcpd_plugin_register_ops(
         char const *name,
         struct mptcpd_plugin_ops const *ops);
 
+MPTCPD_API bool mptcpd_plugin_read_config(char const *filename,
+                                          mptcpd_parse_func_t fun,
+                                          void *user_data);
+
 #ifdef __cplusplus
 }
 #endif

include/mptcpd/private/plugin.h

@@ -42,6 +42,7 @@ struct mptcpd_interface;
  */
 MPTCPD_API bool mptcpd_plugin_load(char const *dir,
                                    char const *default_name,
+                                   char const *plugins_conf_dir,
                                    struct l_queue const *plugins_to_load,
                                    struct mptcpd_pm *pm);
 

lib/plugin.c

@@ -39,6 +39,7 @@
 # define MPTCP_PM_NAME_LEN GENL_NAMSIZ
 #endif
 
+#include <mptcpd/private/configuration.h>
 #include <mptcpd/private/plugin.h>
 #include <mptcpd/plugin.h>
 
@@ -86,6 +87,8 @@ static char _default_name[MPTCP_PM_NAME_LEN + 1];
  */
 static struct mptcpd_plugin_ops const *_default_ops;
 
+static char *_conf_dir;
+
 // ----------------------------------------------------------------
 //                      Implementation Details
 // ----------------------------------------------------------------
@@ -432,6 +435,7 @@ static void unload_plugins(struct mptcpd_pm *pm)
 
 bool mptcpd_plugin_load(char const *dir,
                         char const *default_name,
+                        char const *plugins_conf_dir,
                         struct l_queue const *plugins_to_load,
                         struct mptcpd_pm *pm)
 {
@@ -440,6 +444,14 @@ bool mptcpd_plugin_load(char const *dir,
                 return false;
         }
 
+        if (plugins_conf_dir == NULL) {
+                l_error("No plugins configuration directory specified.");
+                return false;
+        }
+
+        if (_conf_dir == NULL)
+                _conf_dir = l_strdup(plugins_conf_dir);
+
         if (_plugin_infos == NULL)
                 _plugin_infos = l_queue_new();
 
@@ -569,6 +581,25 @@ bool mptcpd_plugin_register_ops(char const *name,
         return registered;
 }
 
+bool mptcpd_plugin_read_config(char const *filename,
+                               mptcpd_parse_func_t fun,
+                               void *user_data)
+{
+        assert(filename != NULL);
+        assert(fun != NULL);
+
+        char *const path = l_strdup_printf("%s/%s.conf",
+                                           _conf_dir,
+                                           filename);
+
+        bool success = mptcpd_config_read(path, fun, user_data);
+
+        l_free(path);
+
+        return success;
+}
+                                
+
 // ----------------------------------------------------------------
 //               Plugin Operation Callback Invocation
 // ----------------------------------------------------------------

src/path_manager.c

@@ -826,6 +826,7 @@ static void complete_pm_init(void *data)
          */
         if (!mptcpd_plugin_load(pm->config->plugin_dir,
                                 pm->config->default_plugin,
+                                pm->config->plugins_conf_dir,
                                 pm->config->plugins_to_load,
                                 pm)) {
                 l_error("Unable to load path manager plugins.");