Changeset 178 for trunk/wifidog/src/conf.c

Timestamp:

08/09/04 18:38:03 (9 years ago)

Author:

alexcv

Message:

Added functions to handle the auth servers list.

Files:

• trunk/wifidog/src/conf.c (modified) (8 diffs)

trunk/wifidog/src/conf.c

@@ -31 +31 @@
 #include <syslog.h>
 
+#include <pthread.h>
+
 #include <string.h>
 
@@ -43 +45 @@
  * Holds the current configuration of the gateway */
 static s_config config;
+
+/** @internal
+ * Mutex for the configuration file, used by the auth_servers related
+ * functions. */
+static pthread_mutex_t config_mutex = PTHREAD_MUTEX_INITIALIZER;
 
 /** @internal
@@ -61 +68 @@
         oGatewayPort,
         oAuthServer,
+        oAuthServMaxTries,
         oAuthservPath,
         oAuthservLoginUrl,
@@ -86 +94 @@
         { "gatewayport",        oGatewayPort },
         { "authserver",         oAuthServer },
+        { "authservmaxtries",   oAuthServMaxTries },
         { "authservpath",       oAuthservPath },
         { "authservloginurl",   oAuthservLoginUrl },
@@ -125 +134 @@
         config.gw_port = DEFAULT_GATEWAYPORT;
         config.auth_servers = NULL;
+        config.authserv_maxtries = DEFAULT_AUTHSERVMAXTRIES;
         config.authserv_path = strdup(DEFAULT_AUTHSERVPATH);
         config.authserv_loginurl = NULL;
@@ -251 +261 @@
                                         sscanf(p1, "%d", &config.httpdmaxconn);
                                         break;
+                                case oAuthServMaxTries:
+                                        sscanf(p1, "%d", &config.authserv_maxtries);
+                                        break;
                                 case oAuthservPath:
                                         free(config.authserv_path);
@@ -336 +349 @@
 /** @internal
     Register a new auth server.
+
+    @param host Hostname of the server
+    @param port Port of the server
 */
 static void
@@ -368 +384 @@
         debug(LOG_DEBUG, "Auth server added");
 }
+
+/**
+ * This function returns the current (first auth_server)
+ */
+t_auth_serv *
+get_auth_server(void)
+{
+
+        /* This is as good as atomic */
+        return config.auth_servers;
+}
+
+/**
+ * This function marks the current auth_server, if it matches the argument,
+ * as bad. Basically, the "bad" server becomes the last one on the list.
+ */
+void
+mark_auth_server_bad(t_auth_serv *bad_server)
+{
+        t_auth_serv     *tmp;
+
+        /* lock mutex so two different threads both don't mark the same
+         * server as bad */
+        pthread_mutex_lock(&config_mutex);
+
+        if (config.auth_servers == bad_server) {
+                /* Go to the last */
+                for (tmp = config.auth_servers; tmp->next != NULL; tmp = tmp->next);
+                /* Set bad server as last */
+                tmp->next = bad_server;
+                /* Remove bad server from start of list */
+                config.auth_servers = bad_server->next;
+                /* Set the next pointe to NULL in the last element */
+                bad_server->next = NULL;
+        }
+
+        pthread_mutex_unlock(&config_mutex);
+}