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Removed useless checks before calling luaL_unref

This commit is contained in:
philip 2016-03-25 23:35:07 -04:00
parent 426e805c43
commit ab950ff518
1 changed files with 25 additions and 50 deletions
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75
app/modules/mqtt.c
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@ -125,10 +125,8 @@ static void mqtt_socket_disconnected(void *arg) // tcp only
mud->pesp_conn = NULL;
}
if(mud->self_ref != LUA_NOREF){ // TODO: should we unref the client and delete it?
luaL_unref(L, LUA_REGISTRYINDEX, mud->self_ref);
mud->self_ref = LUA_NOREF; // unref this, and the mqtt.socket userdata will delete it self
}
luaL_unref(L, LUA_REGISTRYINDEX, mud->self_ref);
mud->self_ref = LUA_NOREF; // unref this, and the mqtt.socket userdata will delete it self
}
if(call_back){
@ -832,35 +830,21 @@ static int mqtt_delete( lua_State* L )
// -------
// free (unref) callback ref
if(LUA_NOREF!=mud->cb_connect_ref){
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_ref);
mud->cb_connect_ref = LUA_NOREF;
}
if(LUA_NOREF!=mud->cb_connect_fail_ref){
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_fail_ref);
mud->cb_connect_fail_ref = LUA_NOREF;
}
if(LUA_NOREF!=mud->cb_disconnect_ref){
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_disconnect_ref);
mud->cb_disconnect_ref = LUA_NOREF;
}
if(LUA_NOREF!=mud->cb_message_ref){
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_message_ref);
mud->cb_message_ref = LUA_NOREF;
}
if(LUA_NOREF!=mud->cb_suback_ref){
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_suback_ref);
mud->cb_suback_ref = LUA_NOREF;
}
if(LUA_NOREF!=mud->cb_puback_ref){
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_puback_ref);
mud->cb_puback_ref = LUA_NOREF;
}
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_ref);
mud->cb_connect_ref = LUA_NOREF;
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_fail_ref);
mud->cb_connect_fail_ref = LUA_NOREF;
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_disconnect_ref);
mud->cb_disconnect_ref = LUA_NOREF;
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_message_ref);
mud->cb_message_ref = LUA_NOREF;
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_suback_ref);
mud->cb_suback_ref = LUA_NOREF;
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_puback_ref);
mud->cb_puback_ref = LUA_NOREF;
lua_gc(L, LUA_GCSTOP, 0);
if(LUA_NOREF!=mud->self_ref){
luaL_unref(L, LUA_REGISTRYINDEX, mud->self_ref);
mud->self_ref = LUA_NOREF;
}
luaL_unref(L, LUA_REGISTRYINDEX, mud->self_ref);
mud->self_ref = LUA_NOREF;
lua_gc(L, LUA_GCRESTART, 0);
NODE_DBG("leave mqtt_delete.\n");
return 0;
@ -1069,8 +1053,7 @@ static int mqtt_socket_connect( lua_State* L )
// call back function when a connection is obtained, tcp only
if ((stack<=top) && (lua_type(L, stack) == LUA_TFUNCTION || lua_type(L, stack) == LUA_TLIGHTFUNCTION)){
lua_pushvalue(L, stack); // copy argument (func) to the top of stack
if(mud->cb_connect_ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_ref);
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_ref);
mud->cb_connect_ref = luaL_ref(L, LUA_REGISTRYINDEX);
stack++;
}
@ -1078,15 +1061,13 @@ static int mqtt_socket_connect( lua_State* L )
// call back function when a connection fails
if ((stack<=top) && (lua_type(L, stack) == LUA_TFUNCTION || lua_type(L, stack) == LUA_TLIGHTFUNCTION)){
lua_pushvalue(L, stack); // copy argument (func) to the top of stack
if(mud->cb_connect_fail_ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_fail_ref);
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_fail_ref);
mud->cb_connect_fail_ref = luaL_ref(L, LUA_REGISTRYINDEX);
stack++;
}
lua_pushvalue(L, 1); // copy userdata to the top of stack
if(mud->self_ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, mud->self_ref);
luaL_unref(L, LUA_REGISTRYINDEX, mud->self_ref);
mud->self_ref = luaL_ref(L, LUA_REGISTRYINDEX);
espconn_status = espconn_regist_connectcb(pesp_conn, mqtt_socket_connected);
@ -1191,16 +1172,13 @@ static int mqtt_socket_on( lua_State* L )
lua_pushvalue(L, 3); // copy argument (func) to the top of stack
if( sl == 7 && c_strcmp(method, "connect") == 0){
if(mud->cb_connect_ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_ref);
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_ref);
mud->cb_connect_ref = luaL_ref(L, LUA_REGISTRYINDEX);
}else if( sl == 7 && c_strcmp(method, "offline") == 0){
if(mud->cb_disconnect_ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_disconnect_ref);
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_disconnect_ref);
mud->cb_disconnect_ref = luaL_ref(L, LUA_REGISTRYINDEX);
}else if( sl == 7 && c_strcmp(method, "message") == 0){
if(mud->cb_message_ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_message_ref);
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_message_ref);
mud->cb_message_ref = luaL_ref(L, LUA_REGISTRYINDEX);
}else{
lua_pop(L, 1);
@ -1298,8 +1276,7 @@ static int mqtt_socket_unsubscribe( lua_State* L ) {
if( lua_type( L, stack ) == LUA_TFUNCTION || lua_type( L, stack ) == LUA_TLIGHTFUNCTION ) { // TODO: this will overwrite the previous one.
lua_pushvalue( L, stack ); // copy argument (func) to the top of stack
if( mud->cb_unsuback_ref != LUA_NOREF )
luaL_unref( L, LUA_REGISTRYINDEX, mud->cb_unsuback_ref );
luaL_unref( L, LUA_REGISTRYINDEX, mud->cb_unsuback_ref );
mud->cb_unsuback_ref = luaL_ref( L, LUA_REGISTRYINDEX );
}
@ -1414,8 +1391,7 @@ static int mqtt_socket_subscribe( lua_State* L ) {
if( lua_type( L, stack ) == LUA_TFUNCTION || lua_type( L, stack ) == LUA_TLIGHTFUNCTION ) { // TODO: this will overwrite the previous one.
lua_pushvalue( L, stack ); // copy argument (func) to the top of stack
if( mud->cb_suback_ref != LUA_NOREF )
luaL_unref( L, LUA_REGISTRYINDEX, mud->cb_suback_ref );
luaL_unref( L, LUA_REGISTRYINDEX, mud->cb_suback_ref );
mud->cb_suback_ref = luaL_ref( L, LUA_REGISTRYINDEX );
}
@ -1490,8 +1466,7 @@ static int mqtt_socket_publish( lua_State* L )
if (lua_type(L, stack) == LUA_TFUNCTION || lua_type(L, stack) == LUA_TLIGHTFUNCTION){
lua_pushvalue(L, stack); // copy argument (func) to the top of stack
if(mud->cb_puback_ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_puback_ref);
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_puback_ref);
mud->cb_puback_ref = luaL_ref(L, LUA_REGISTRYINDEX);
}