limit sockets used by HTTP server

seems that ctrl and msg sockets are not needed

components/raop/raop_sink.c

@@ -218,7 +218,7 @@ void raop_sink_init(raop_cmd_vcb_t cmd_cb, raop_data_cb_t data_cb) {
 		raop_cbs.data = data_cb;
 		TimerHandle_t timer = xTimerCreate("raopStart", 5000 / portTICK_RATE_MS, pdTRUE, NULL, raop_start_handler);
 		xTimerStart(timer, portMAX_DELAY);
-		LOG_INFO( "delaying AirPlay start");		
+		LOG_INFO( "Delaying AirPlay start");		
 	}	
 }
 

components/services/buttons.c

@@ -47,7 +47,8 @@ static EXT_RAM_ATTR struct button_s {
 	TimerHandle_t timer;
 } buttons[MAX_BUTTONS];
 
-static EXT_RAM_ATTR struct {
+// can't use EXT_RAM_ATTR for initialized structure
+static struct {
 	int gpio, level;
 	struct button_s *button;
 } polled_gpio[] = { {36, -1, NULL}, {39, -1, NULL}, {-1, -1, NULL} };

components/squeezelite/controls.c

@@ -218,7 +218,6 @@ static void notify(in_addr_t ip, u16_t hport, u16_t cport) {
 	
 	// close existing CLI connection and open new one
 	if (cli_sock >= 0) closesocket(cli_sock);
-	cli_sock = socket(AF_INET, SOCK_STREAM, 0);
 	connect_cli_socket();
 	
 	LOG_INFO("notified server %s hport %hu cport %hu", inet_ntoa(ip), hport, cport);

components/wifi-manager/_esp_httpd_main.c

@@ -76,24 +76,7 @@ static esp_err_t _httpd_server_init(struct httpd_data *hd)
         return ESP_FAIL;
     }
 
-    int ctrl_fd = cs_create_ctrl_sock(hd->config.ctrl_port);
-    if (ctrl_fd < 0) {
-        ESP_LOGE(TAG, LOG_FMT("error in creating ctrl socket (%d)"), errno);
-        close(fd);
-        return ESP_FAIL;
-    }
-
-    int msg_fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-    if (msg_fd < 0) {
-        ESP_LOGE(TAG, LOG_FMT("error in creating msg socket (%d)"), errno);
-        close(fd);
-        close(ctrl_fd);
-        return ESP_FAIL;
-    }
-
     hd->listen_fd = fd;
-    hd->ctrl_fd = ctrl_fd;
-    hd->msg_fd  = msg_fd;
     return ESP_OK;
 }
 
@@ -198,14 +181,6 @@ static esp_err_t _httpd_server(struct httpd_data *hd)
     }
 
     /* Case0: Do we have a control message? */
-    if (FD_ISSET(hd->ctrl_fd, &read_set)) {
-        ESP_LOGD(TAG, LOG_FMT("processing ctrl message"));
-        _httpd_process_ctrl_msg(hd);
-        if (hd->hd_td.status == THREAD_STOPPING) {
-            ESP_LOGD(TAG, LOG_FMT("stopping thread"));
-            return ESP_FAIL;
-        }
-    }
 
     /* Case1: Do we have any activity on the current data
      * sessions? */
@@ -259,8 +234,6 @@ static void _httpd_thread(void *arg)
     }
 
     ESP_LOGD(TAG, LOG_FMT("web server exiting"));
-    close(hd->msg_fd);
-    cs_free_ctrl_sock(hd->ctrl_fd);
     _httpd_close_all_sessions(hd);
     close(hd->listen_fd);
     hd->hd_td.status = THREAD_STOPPED;