added sample test files in python and c++ for

linux socket testing

linux_socket_test.cpp

@@ -0,0 +1,63 @@
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+
+#define SOCKET_FILE "/tmp/mysocket"
+
+// WARNING: UNTESTED
+
+int main() {
+    int server_fd, client_fd;
+    struct sockaddr_un addr;
+    char buf[1024];
+    ssize_t num_read;
+
+    // Remove any previous socket file
+    unlink(SOCKET_FILE);
+
+    server_fd = socket(AF_UNIX, SOCK_STREAM, 0);
+    if (server_fd == -1) {
+        perror("socket");
+        exit(EXIT_FAILURE);
+    }
+
+    memset(&addr, 0, sizeof(struct sockaddr_un));
+    addr.sun_family = AF_UNIX;
+    strncpy(addr.sun_path, SOCKET_FILE, sizeof(addr.sun_path) - 1);
+
+    if (bind(server_fd, (struct sockaddr *)&addr, sizeof(struct sockaddr_un)) == -1) {
+        perror("bind");
+        exit(EXIT_FAILURE);
+    }
+
+    if (listen(server_fd, 5) == -1) {
+        perror("listen");
+        exit(EXIT_FAILURE);
+    }
+
+    std::cout << "Listening on " << SOCKET_FILE << "..." << std::endl;
+
+    while (true) {
+        client_fd = accept(server_fd, NULL, NULL);
+        if (client_fd == -1) {
+            perror("accept");
+            continue;
+        }
+
+        num_read = read(client_fd, buf, sizeof(buf) - 1);
+        if (num_read > 0) {
+            buf[num_read] = '\0';
+            std::cout << "Received: " << buf << std::endl;
+            write(client_fd, buf, num_read); // Echo back
+        }
+        close(client_fd);
+    }
+
+    close(server_fd);
+    unlink(SOCKET_FILE);
+    return 0;
+}

linux_socket_test.py

@@ -0,0 +1,25 @@
+import socket
+import os
+
+SOCKET_FILE = '/tmp/mysocket'
+
+if os.path.exists(SOCKET_FILE):
+    os.remove(SOCKET_FILE)
+
+server = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+server.bind(SOCKET_FILE)
+server.listen(1)
+
+print(f"Listening on {SOCKET_FILE}...")
+
+try:
+    while True:
+        conn, _ = server.accept()
+        data = conn.recv(1024)
+        if data:
+            print("Received:", data.decode())
+            conn.sendall(data)  # Echo back
+        conn.close()
+finally:
+    server.close()
+    os.remove(SOCKET_FILE)