starting to add new Socket interface

slsSupportLib/src/ServerSocket.cpp

@@ -0,0 +1,46 @@
+#include "ServerSocket.h"
+#include "DataSocket.h"
+#include <arpa/inet.h>
+#include <iostream>
+#include <unistd.h>
+#define DEFAULT_PACKET_SIZE 1286
+#define SOCKET_BUFFER_SIZE (100 * 1024 * 1024) //100 MB
+#define DEFAULT_BACKLOG 5
+
+namespace sls {
+
+ServerSocket::ServerSocket(int port) : DataSocket(socket(AF_INET, SOCK_STREAM, 0)) {
+
+    std::cout << "Server constructed\n";
+
+    struct sockaddr_in serverAddr;
+    serverAddr.sin_family = AF_INET;
+    serverAddr.sin_port = htons(port);
+    serverAddr.sin_addr.s_addr = htonl(INADDR_ANY);
+
+    if (bind(getSocketId(), (struct sockaddr *)&serverAddr, sizeof(serverAddr)) != 0) {
+        close();
+        throw std::runtime_error("Server ERROR: cannot  bind socket");
+    }
+    if (listen(getSocketId(), DEFAULT_BACKLOG) != 0) {
+        close();
+        throw std::runtime_error("Server ERROR: cannot  listen to socket");
+    }
+}
+
+DataSocket ServerSocket::accept() {
+    struct sockaddr_in clientAddr;
+    socklen_t addr_size = sizeof clientAddr;
+    int newSocket = ::accept(getSocketId(), (struct sockaddr *)&clientAddr, &addr_size);
+    if (newSocket == -1) {
+        throw std::runtime_error("Server ERROR: socket accept failed\n");
+    }
+    inet_ntop(AF_INET, &(clientAddr.sin_addr), &thisClient_.front(), INET_ADDRSTRLEN);
+    std::cout << "lastClient: " << lastClient_ << " thisClient: " << thisClient_ << '\n';
+    //Here goes any check for locks etc
+    lastClient_ = thisClient_;
+
+    return DataSocket(newSocket);
+}
+
+}; //namespace sls