basic structure and client process chain done

src/client/client.c

@@ -0,0 +1,68 @@
+#include "client.h"
+#include <stdio.h>
+
+int send_message(unsigned int sender, unsigned int receiver) {
+	int pipe_to_child[2];
+
+	if (pipe(pipe_to_child) == -1) {
+		perror("pipe");
+		exit(EXIT_FAILURE);
+	}
+
+	pid_t pid = fork();
+	if (pid == -1) {
+		perror("fork");
+		exit(EXIT_FAILURE);
+	}
+
+	if (pid == 0) {				 // Child process
+		close(pipe_to_child[1]); // Close write end of pipe
+
+		// Redirect stdin to read from pipe_to_child
+		dup2(pipe_to_child[0], STDIN_FILENO);
+
+
+		// Execute a command, for example, a simple "cat" command
+		execlp("./bin/djumbai_client_send/djumbai_client_send", "djumbai_client_send", NULL);
+
+		// If execlp fails
+		perror("execlp");
+		close(pipe_to_child[0]);
+		exit(EXIT_FAILURE);
+	} else {					 // Parent process
+		close(pipe_to_child[0]); // Close read end of pipe
+
+		printf("Please enter your message (Max of %ld bytes):\n", MAX_CONTENT_SIZE);
+		char content[MAX_CONTENT_SIZE];
+		fgets(content, MAX_CONTENT_SIZE, stdin);
+
+		message msg;
+		if (new_message(&msg, sender, receiver, content) != 0) {
+			printf("Error when creating new message\n");
+		}
+
+		// Serialize the message
+		unsigned char buffer[sizeof(struct Message)];
+		if (serialize_message(&msg, sizeof(struct Message), buffer) == -1) {
+			fprintf(stderr, "Error: Serialization failed\n");
+			return 1;
+		}
+
+		write(pipe_to_child[1], buffer, sizeof(buffer));
+
+		// Close the write end of the pipe
+		close(pipe_to_child[1]);
+		// Wait for the child process to finish
+		wait(NULL);
+	}
+
+	return 0;
+}
+
+int main() {
+	// TODO: Client parsing to be done
+	unsigned int sender = getuid();
+	unsigned int receiver = 1000;
+	send_message(sender, receiver);
+	return 0;
+}

src/client/client.h

@@ -0,0 +1,12 @@
+#ifndef CLIENT_H
+#define CLIENT_H
+
+#include "../../libs/communication/communication.h"
+#include "../../libs/protocol/protocol.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+int send_message(unsigned int sender, unsigned int receiver);
+#endif // !CLIENT_H