73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
#include "../src/ipc.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define SERVICE_NAME "pong"
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#define SECURE_MALLOC(p, s, wat) p = malloc (s); if (p == NULL) { wat; }
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void connection (char **env, struct ipc_connection_info *ci)
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{
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enum ipc_errors ret = ipc_connection (env, ci, SERVICE_NAME);
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if (ret != IPC_ERROR_NONE) {
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fprintf (stderr, "cannot connect to the server\n");
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exit(EXIT_FAILURE);
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}
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}
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void closing (struct ipc_connection_info *ci)
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{
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enum ipc_errors ret = ipc_close (ci);
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if (ret != IPC_ERROR_NONE) {
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fprintf (stderr, "cannot close server\n");
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exit(EXIT_FAILURE);
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}
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}
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// test the behavior of the server when the client never read its messages
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void send_message (struct ipc_connection_info *ci)
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{
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SECURE_DECLARATION (struct ipc_message, m);
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SECURE_MALLOC (m.payload, 1, exit(EXIT_FAILURE));
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memcpy (m.payload, "", 0);
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m.type = MSG_TYPE_DATA;
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m.user_type = 42;
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m.length = 0;
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ipc_write (ci, &m);
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ipc_message_empty (&m);
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}
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void read_message (struct ipc_connection_info *ci)
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{
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SECURE_DECLARATION (struct ipc_message, m);
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ipc_read (ci, &m);
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if (m.length > 0) {
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printf ("received message: %*.s\n", m.length, m.payload);
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}
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else {
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printf ("received empty message as intended : %d bytes\n", m.length);
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if (m.payload == NULL) {
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printf ("message payload is NULL\n");
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}
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}
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free (m.payload);
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}
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int main(int argc, char * argv[], char **env)
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{
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SECURE_DECLARATION(struct ipc_connection_info,srv1);
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connection (env, &srv1);
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send_message (&srv1);
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read_message (&srv1);
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closing (&srv1);
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return EXIT_SUCCESS;
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}
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