More client library rewrites.
[silc.git] / lib / silcclient / command.c
index 0eed6981311cea8bcaea107d35515439af62e3b8..468ac1bb243e168c552f849ac5980b74bf45c96a 100644 (file)
@@ -139,11 +139,17 @@ silc_client_command_register(SilcClient client,
   SilcClientCommand cmd;
 
   cmd = silc_calloc(1, sizeof(*cmd));
+  if (!cmd)
+    return FALSE;
   cmd->cmd = command;
   cmd->command = command_func;
   cmd->reply = command_reply_func;
-  cmd->name = name ? strdup(name) : NULL;
   cmd->max_args = max_args;
+  cmd->name = name ? strdup(name) : NULL;
+  if (!cmd->name) {
+    silc_free(cmd);
+    return FALSE;
+  }
 
   silc_list_add(client->internal->commands, cmd);
 
@@ -191,20 +197,6 @@ static SilcClientCommand silc_client_command_find(SilcClient client,
   return NULL;
 }
 
-/* Free command context and its internals */
-
-static void silc_client_command_free(SilcClientCommandContext cmd)
-{
-  int i;
-
-  for (i = 0; i < cmd->argc; i++)
-    silc_free(cmd->argv[i]);
-  silc_free(cmd->argv);
-  silc_free(cmd->argv_lens);
-  silc_free(cmd->argv_types);
-  silc_free(cmd);
-}
-
 /* Command thread destructor */
 
 static void silc_client_command_destructor(SilcFSMThread thread,
@@ -353,6 +345,26 @@ static SilcUInt16 silc_client_command_send_va(SilcClientConnection conn,
 
 /****************************** Command API *********************************/
 
+/* Free command context and its internals */
+
+void silc_client_command_free(SilcClientCommandContext cmd)
+{
+  SilcClientCommandReplyCallback cb;
+  int i;
+
+  for (i = 0; i < cmd->argc; i++)
+    silc_free(cmd->argv[i]);
+  silc_free(cmd->argv);
+  silc_free(cmd->argv_lens);
+  silc_free(cmd->argv_types);
+
+  silc_list_start(cmd->reply_callbacks);
+  while ((cb = silc_list_get(cmd->reply_callbacks)))
+    silc_free(cb);
+
+  silc_free(cmd);
+}
+
 /* Executes a command */
 
 SilcUInt16 silc_client_command_call(SilcClient client,
@@ -410,10 +422,10 @@ SilcUInt16 silc_client_command_call(SilcClient client,
       argv_lens = silc_realloc(argv_lens, sizeof(*argv_lens) * (argc + 1));
       argv_types = silc_realloc(argv_types, sizeof(*argv_types) * (argc + 1));
       if (!argv || !argv_lens || !argv_types)
-       return FALSE;
+       return 0;
       argv[argc] = silc_memdup(arg, strlen(arg));
       if (!argv[argc])
-       return FALSE;
+       return 0;
       argv_lens[argc] = strlen(arg);
       argv_types[argc] = argc;
       argc++;
@@ -435,6 +447,8 @@ SilcUInt16 silc_client_command_call(SilcClient client,
   cmd->cmd_ident = silc_client_cmd_ident(conn);
   cmd->called = TRUE;
   cmd->verbose = TRUE;
+  silc_list_init(cmd->reply_callbacks,
+                struct SilcClientCommandReplyCallbackStruct, next);
 
   /*** Call command */
   SILC_LOG_DEBUG(("Calling %s command", silc_get_command_name(cmd->cmd)));
@@ -467,6 +481,8 @@ SilcUInt16 silc_client_command_send(SilcClient client,
     return 0;
   cmd->conn = conn;
   cmd->cmd = command;
+  silc_list_init(cmd->reply_callbacks,
+                struct SilcClientCommandReplyCallbackStruct, next);
 
   /* Send the command */
   va_start(ap, argc);
@@ -588,10 +604,16 @@ SILC_FSM_STATE(silc_client_command_whois)
 
   /* Given without arguments fetches client's own information */
   if (cmd->argc < 2) {
-    silc_client_command_send(conn->client, conn, SILC_COMMAND_WHOIS,
-                            NULL, NULL, 1, 4,
-                            silc_buffer_datalen(conn->internal->local_idp));
-    goto out;
+    silc_client_command_send_va(conn, cmd, cmd->cmd, NULL, NULL, 1, 4,
+                               silc_buffer_data(conn->internal->local_idp),
+                               silc_buffer_len(conn->internal->local_idp));
+
+    /* Notify application */
+    COMMAND(SILC_STATUS_OK);
+
+    /** Wait for command reply */
+    silc_fsm_next(fsm, silc_client_command_reply_wait);
+    return SILC_FSM_CONTINUE;
   }
 
   for (i = 1; i < cmd->argc; i++) {
@@ -1195,11 +1217,6 @@ SILC_FSM_STATE(silc_client_command_stats)
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
 
-  if (cmd->argc < 2) {
-    COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
-    return SILC_FSM_FINISH;
-  }
-
   /* Send the command */
   silc_client_command_send_va(conn, cmd, cmd->cmd, NULL, NULL, 1,
                              1, silc_buffer_datalen(conn->internal->
@@ -2555,7 +2572,16 @@ SILC_FSM_STATE(silc_client_command_getkey)
     /* Check whether user requested server */
     server_entry = silc_client_get_server(client, conn, cmd->argv[1]);
     if (!server_entry) {
+      if (cmd->resolved) {
+       /* Resolving didn't find anything.  We should never get here as
+          errors are handled in the resolving callback. */
+       COMMAND_ERROR(SILC_STATUS_ERR_NO_SUCH_NICK);
+       COMMAND_ERROR(SILC_STATUS_ERR_NO_SUCH_SERVER);
+       return SILC_FSM_FINISH;
+      }
+
       /* No client or server exist with this name, query for both. */
+      cmd->resolved = TRUE;
       SILC_FSM_CALL(silc_client_command_send(client, conn,
                                             SILC_COMMAND_IDENTIFY,
                                             silc_client_command_continue,
@@ -2564,8 +2590,10 @@ SILC_FSM_STATE(silc_client_command_getkey)
                                             strlen(cmd->argv[1]),
                                             2, cmd->argv[1],
                                             strlen(cmd->argv[1])));
+      /* NOT REACHED */
     }
     idp = silc_id_payload_encode(&server_entry->id, SILC_ID_SERVER);
+    silc_client_unref_server(client, conn, server_entry);
   } else {
     client_entry = silc_dlist_get(clients);
     idp = silc_id_payload_encode(&client_entry->id, SILC_ID_CLIENT);