Started on C-client

CUDSClient/main.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+#define CLIENT_SOCK_FILE "/tmp/cclient.sock"
+#define SERVER_SOCK_FILE "/tmp/udsserver.sock"
+
+int main(void) {
+    struct sockaddr_un server_addr = {};
+    server_addr.sun_family = AF_UNIX;
+    strcpy(server_addr.sun_path, SERVER_SOCK_FILE); // XXX: should be limited to about 104 characters, system dependent
+
+    struct sockaddr_un client_addr = {};
+    client_addr.sun_family = AF_UNIX;
+    strcpy(client_addr.sun_path, CLIENT_SOCK_FILE);
+
+    // get socket
+    int sockfd = socket(AF_UNIX, SOCK_DGRAM, 0);
+
+    // bind client to client_filename
+    if (bind(sockfd, (struct sockaddr *) &client_addr, sizeof(client_addr)) > 0) {
+        if (connect(sockfd, (struct sockaddr *) &server_addr, sizeof(server_addr)) > 0) {
+            unsigned char* messageBuffer = malloc(500);
+            memset(messageBuffer, 0, 500);
+            const char* message = "Hello from C";
+            size_t messageLengthInBytes = strlen(message);
+            messageBuffer[0] = messageLengthInBytes;
+            strcpy((char *)messageBuffer+1, message);
+            send(sockfd, messageBuffer, messageLengthInBytes+1, 0);
+            free(messageBuffer);
+        }
+    }
+
+    // connect client to server_filename
+
+
+    unlink (CLIENT_SOCK_FILE);
+    return 0;
+}