add a program to test the exchange durations

pong/app/test-exchange.c

@@ -0,0 +1,106 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <readline/readline.h>
+#include <readline/history.h>
+
+#include <stdint.h>
+
+#include "../../core/communication.h"
+#include "../../core/error.h"
+
+#define SERVICE_NAME "pongd"
+
+#define NUMBER_OF_MESSAGES 1000
+#define MAX_MESSAGE_SIZE  IPC_MAX_MESSAGE_SIZE
+#define MESSAGE "salut ça va ?"
+
+void non_interactive (char msg_type, char *msg, char * service_name, char *env[])
+{
+    struct ipc_message m;
+    memset (&m, 0, sizeof (struct ipc_message));
+    struct ipc_service srv;
+    memset (&srv, 0, sizeof (struct ipc_service));
+
+    // index and version should be filled
+    srv.index = 0;
+    srv.version = 0;
+
+    // init service
+    if (ipc_application_connection (env, &srv, service_name) < 0) {
+        handle_err ("main", "ipc_application_connection < 0");
+        exit (EXIT_FAILURE);
+    }
+
+	for (int i = 0 ; i < NUMBER_OF_MESSAGES ; i++) {
+		ipc_message_format (&m, msg_type, msg, strlen(msg) + 1);
+		// print_msg (&m);
+
+		if (ipc_application_write (&srv, &m) < 0) {
+			handle_err("main", "application_write < 0");
+			exit (EXIT_FAILURE);
+		}
+		ipc_message_empty (&m);
+
+		if (ipc_application_read (&srv, &m) < 0) {
+			handle_err("main", "application_read < 0");
+			exit (EXIT_FAILURE);
+		}
+
+#ifdef WITH_PRINT_MESSAGES
+		if (m.length > 0) {
+			printf ("msg recv: %.*s\n", m.length, m.payload);
+		}
+#endif
+		ipc_message_empty (&m);
+	}
+
+	if (ipc_application_close (&srv) < 0) {
+        handle_err("main", "application_close < 0");
+        exit (EXIT_FAILURE);
+    }
+	ipc_message_empty (&m);
+}
+
+// usage: ipc-debug [service-name]
+int main (int argc, char *argv[], char *env[])
+{
+	if (argc == 1) {
+		printf ("usage: %s service_name [message-type [message]]\n", argv[0]);
+		exit (EXIT_SUCCESS);
+	}
+
+	char service_name[100];
+	memset (service_name, 0, 100);
+
+	int current_param = 1;
+
+	if (argc != 1) {
+		ssize_t t = strlen(argv[current_param]) > 100 ? 100 : strlen(argv[current_param]);
+		memcpy(service_name, argv[current_param], t);
+		current_param++;
+	}
+	else { memcpy(service_name, SERVICE_NAME, strlen(SERVICE_NAME)); }
+
+	char mtype = 2;
+	if (argc > 2) {
+		mtype = atoi(argv[current_param]);
+		current_param++;
+   	}
+
+	char *msg = malloc (MAX_MESSAGE_SIZE);
+	if (msg == NULL) {
+		handle_err("main", "not enough memory");
+		exit (EXIT_FAILURE);
+	}
+	memset(msg, 0, MAX_MESSAGE_SIZE);
+
+	if (argc > 3) { memcpy(msg, argv[current_param], strlen(argv[current_param])); }
+	else          { memcpy(msg, MESSAGE, strlen(MESSAGE)); }
+
+	non_interactive (mtype, msg, service_name, env);
+	free (msg);
+
+    return EXIT_SUCCESS;
+}