Merge pull request #94 from facchinm/sockets_close

Close sockets when physical link is disconnected

Author: sandeepmistry

src/WiFi.cpp

@@ -53,6 +53,12 @@ static void wifi_cb(uint8_t u8MsgType, void *pvMsg)
 						WiFi._submask = 0;
 						WiFi._gateway = 0;
 					}
+					// Close sockets to clean state
+					// Clients will need to reconnect once the physical link will be re-established
+					for (int i=0; i < TCP_SOCK_MAX; i++) {
+						if (WiFi._client[i])
+							WiFi._client[i]->stop();
+					}
 				} else if (WiFi._mode == WL_AP_MODE) {
 					WiFi._status = WL_AP_LISTENING;
 				}

src/WiFiClient.cpp

@@ -152,7 +152,7 @@ int WiFiClient::connect(IPAddress ip, uint16_t port, uint8_t opt, const uint8_t
 		_socket = -1;
 		return 0;
 	}
-	
+
 	// Wait for connection or timeout:
 	unsigned long start = millis();
 	while (!IS_CONNECTED && millis() - start < 20000) {
@@ -164,6 +164,8 @@ int WiFiClient::connect(IPAddress ip, uint16_t port, uint8_t opt, const uint8_t
 		return 0;
 	}
 
+	WiFi._client[_socket] = this;
+
 	return 1;
 }