148 lines
3.4 KiB
C
148 lines
3.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "../src/ipc.h"
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#define MSG "coucou"
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#define SERVICE_NAME "pong"
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#define PRINTERR(ret,msg) {\
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const char * err = ipc_errors_get (ret);\
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fprintf(stderr, "error while %s: %s\n", msg, err);\
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}
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void non_interactive (char *env[])
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{
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enum ipc_errors ret;
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struct ipc_message m;
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memset (&m, 0, sizeof (struct ipc_message));
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SECURE_DECLARATION(struct ipc_connection_info, srv);
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// init service
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ret = ipc_connection (env, &srv, SERVICE_NAME);
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if (ret != IPC_ERROR_NONE) {
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PRINTERR(ret, "application connection");
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exit (EXIT_FAILURE);
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}
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printf ("msg to send (%ld): %.*s\n", (ssize_t) strlen(MSG) +1, (int) strlen(MSG), MSG);
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ret = ipc_message_format_data (&m, /* type */ 'a', MSG, (ssize_t) strlen(MSG) +1);
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if (ret != IPC_ERROR_NONE) {
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PRINTERR(ret, "message format data");
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exit (EXIT_FAILURE);
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}
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// printf ("msg to send in the client: ");
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// ipc_message_print (&m);
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ret = ipc_write (&srv, &m);
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if (ret != IPC_ERROR_NONE) {
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PRINTERR(ret, "application write");
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exit (EXIT_FAILURE);
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}
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ipc_message_empty (&m);
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ret = ipc_read (&srv, &m);
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if (ret != IPC_ERROR_NONE) {
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PRINTERR(ret, "application read");
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exit (EXIT_FAILURE);
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}
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printf ("msg recv: %s\n", m.payload);
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ipc_message_empty (&m);
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ret = ipc_close (&srv);
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if (ret != IPC_ERROR_NONE) {
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PRINTERR(ret, "application close");
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exit (EXIT_FAILURE);
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}
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}
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void interactive (char *env[])
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{
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enum ipc_errors ret;
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SECURE_DECLARATION(struct ipc_connection_info, srv);
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// index and version should be filled
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srv.index = 0;
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srv.version = 0;
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// init service
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ret = ipc_connection (env, &srv, SERVICE_NAME);
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if (ret != IPC_ERROR_NONE) {
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PRINTERR(ret, "application connection");
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exit (EXIT_FAILURE);
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}
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SECURE_DECLARATION(struct ipc_event, event);
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SECURE_DECLARATION(struct ipc_connection_infos, services);
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ipc_add (&services, &srv);
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while (1) {
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printf ("msg to send: ");
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fflush (stdout);
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ret = ipc_wait_event (&services, NULL, &event);
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if (ret != IPC_ERROR_NONE) {
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PRINTERR(ret, "application peek event");
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exit (EXIT_FAILURE);
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}
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switch (event.type) {
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case IPC_EVENT_TYPE_EXTRA_SOCKET:
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{
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struct ipc_message *m = event.m;
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if ( m->length == 0 || strncmp (m->payload, "exit", 4) == 0) {
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ipc_message_empty (m);
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free (m);
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ipc_connections_free (&services);
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ret = ipc_close (&srv);
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if (ret != IPC_ERROR_NONE) {
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PRINTERR(ret, "application close");
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exit (EXIT_FAILURE);
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}
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exit (EXIT_SUCCESS);
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}
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ret = ipc_write (&srv, m);
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if (ret != IPC_ERROR_NONE) {
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PRINTERR(ret, "application write");
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exit (EXIT_FAILURE);
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}
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}
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break;
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case IPC_EVENT_TYPE_MESSAGE:
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{
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struct ipc_message *m = event.m;
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printf ("msg recv: %.*s", m->length, m->payload);
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};
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break;
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case IPC_EVENT_TYPE_DISCONNECTION:
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case IPC_EVENT_TYPE_NOT_SET:
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case IPC_EVENT_TYPE_CONNECTION:
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case IPC_EVENT_TYPE_ERROR:
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default :
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fprintf (stderr, "should not happen, event type %d\n", event.type);
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}
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}
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}
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int main (int argc, char *argv[], char *env[])
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{
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argc = argc; // warnings
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argv = argv; // warnings
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if (argc == 1)
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non_interactive (env);
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else
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interactive (env);
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return EXIT_SUCCESS;
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}
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