Create simple_server.cpp

Signed-off-by: xXIamNoOneXx <143564810+xXIamNoOneXx@users.noreply.github.com>

simple_server.cpp

@@ -0,0 +1,42 @@
+#include <iostream>
+#include <cstring>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+int main() {
+    int server_socket, client_socket;
+    struct sockaddr_in server_addr, client_addr;
+
+    // Create a socket
+    server_socket = socket(AF_INET, SOCK_STREAM, 0);
+
+    // Configure the server address structure
+    server_addr.sin_family = AF_INET;
+    server_addr.sin_port = htons(12345);  // Choose a port
+    server_addr.sin_addr.s_addr = INADDR_ANY;
+
+    // Bind the socket to the server address
+    bind(server_socket, (struct sockaddr*)&server_addr, sizeof(server_addr));
+
+    // Listen for incoming connections
+    listen(server_socket, 5);  // Number of queued connections
+
+    std::cout << "Server listening on port 12345..." << std::endl;
+
+    // Accept an incoming connection
+    socklen_t client_addr_len = sizeof(client_addr);
+    client_socket = accept(server_socket, (struct sockaddr*)&client_addr, &client_addr_len);
+
+    std::cout << "Accepted connection from " << inet_ntoa(client_addr.sin_addr) << std::endl;
+
+    // Send a welcome message to the client
+    const char* welcome_message = "Welcome to the server!\n";
+    send(client_socket, welcome_message, strlen(welcome_message), 0);
+
+    // Close the sockets
+    close(client_socket);
+    close(server_socket);
+
+    return 0;
+}