PIEthernet fix: no more close outdated fd on disconnect (error at work with MHD)

libs/main/io_devices/piethernet.cpp

@@ -214,9 +214,7 @@ void PIEthernet::init() {
 	if (sock != -1) return;
 	// piCout << "init " << type();
 	PRIVATE->event.destroy();
-	if (sock_s == sock) sock_s = -1;
-	closeSocket(sock);
-	closeSocket(sock_s);
+	closeSockets();
 	int st = 0, pr = 0;
 	if (type() == UDP) {
 		st = SOCK_DGRAM;
@@ -356,6 +354,13 @@ void PIEthernet::closeSocket(int & sd) {
 }
 
 
+void PIEthernet::closeSockets() {
+	if (sock_s == sock) sock_s = -1;
+	closeSocket(sock);
+	closeSocket(sock_s);
+}
+
+
 void PIEthernet::applyTimeouts() {
 	if (sock < 0) return;
 	PISystemTime rtm = readTimeout(), wtm = writeTimeout();
@@ -577,9 +582,7 @@ void PIEthernet::stopThreadedListen() {
 		if (!server_thread_.waitForFinish(1_s)) server_thread_.terminate();
 	}
 	PRIVATE->event.destroy();
-	if (sock_s == sock) sock_s = -1;
-	closeSocket(sock);
-	closeSocket(sock_s);
+	closeSockets();
 }
 
 
@@ -736,7 +739,7 @@ ssize_t PIEthernet::readDevice(void * read_to, ssize_t max_size) {
 			if (connected_.exchange(false)) {
 				opened_ = false;
 				// piCoutObj << "Disconnect on read," << ethErrorString();
-				closeSocket(sock);
+				closeSockets();
 				init();
 				disconnected(rs < 0);
 			}
@@ -831,7 +834,7 @@ ssize_t PIEthernet::writeDevice(const void * data, ssize_t max_size) {
 			if (connected_.exchange(false)) {
 				opened_ = false;
 				// piCoutObj << "Disconnect on write," << ethErrorString();
-				closeSocket(sock);
+				closeSockets();
 				init();
 				disconnected(true);
 				if (params[KeepConnection]) {
@@ -988,7 +991,7 @@ bool PIEthernet::connectTCP() {
 		if (ethIsWriteable(sock))
 			return true;
 		else {
-			closeSocket(sock);
+			closeSockets();
 			init();
 		}
 	}

libs/main/io_devices/piethernet.h

@@ -653,6 +653,7 @@ protected:
 	bool openDevice() override;
 	bool closeDevice() override;
 	void closeSocket(int & sd);
+	void closeSockets();
 	void applyTimeouts();
 	void applyBuffers();
 	void applyTimeout(int fd, int opt, PISystemTime tm);