renamed to pierog, extracted socket and file writers

03_Perun_Lua_Wrapper/pierog/src/SocketOutput.cpp

@@ -0,0 +1,60 @@
+#include "SocketOutput.h"
+
+SocketOutput::SocketOutput(std::string host,
+                           const int port): tcpHost(std::move(host)), tcpPort(port) {
+
+    address = new SOCKADDR_IN;
+    address->sin_family = AF_INET;
+    address->sin_port = htons(u_short(this->tcpPort));
+    address->sin_addr.s_addr = *((unsigned long*)gethostbyname(this->tcpHost.c_str())->h_addr);
+}
+
+SocketOutput::~SocketOutput() = default;
+
+int SocketOutput::write(std::string *payload) {
+
+    if(!(isConnected() || _connect())) {
+        return 0;
+    }
+
+    int bytesSent = send(tcpSocket, payload->c_str(), payload->length(), 0);
+    if(bytesSent == payload->length()) {
+        return 0;
+    }
+
+    if(bytesSent > 0) {
+        return bytesSent;
+    } else {
+        switch (WSAGetLastError()) {
+            case WSAECONNRESET:     // Connection reset
+            case WSAECONNABORTED:   // Connection aborted
+            case WSAESHUTDOWN:      // Connection closed
+                disconnect();
+        }
+        return 0;
+    }
+}
+
+bool SocketOutput::isConnected() {
+    return connectionState == CONNECTED;
+}
+
+bool SocketOutput::_connect() {
+    if(tcpSocket == INVALID_SOCKET) {
+        tcpSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+    }
+    if(connectionState != CONNECTED) {
+        if (connect(tcpSocket, (sockaddr *) address, sizeof(SOCKADDR_IN)) == 0) {
+            connectionState = CONNECTED;
+            return true;
+        }
+    }
+
+    return false;
+}
+
+void SocketOutput::disconnect() {
+    closesocket(tcpSocket);
+    tcpSocket = INVALID_SOCKET;
+    connectionState = DISCONNECTED;
+}