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/*
* Ouroboros - Copyright (C) 2016
*
* A simple echo application
*
* Sander Vrijders <sander.vrijders@intec.ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <ouroboros/dev.h>
#include <stdlib.h>
int client_main()
{
int fd = 0;
int result = 0;
char buf[BUF_SIZE];
char * message = "Client says hi!";
ssize_t count = 0;
fd = flow_alloc("echo", NULL, NULL);
if (fd < 0) {
printf("Failed to allocate flow.\n");
return -1;
}
result = flow_alloc_res(fd);
if (result < 0) {
printf("Flow allocation refused.\n");
flow_dealloc(fd);
return -1;
}
if (flow_write(fd, message, strlen(message) + 1) == -1) {
printf("Failed to write SDU.\n");
flow_dealloc(fd);
return -1;
}
count = flow_read(fd, buf, BUF_SIZE);
if (count < 0) {
printf("Failed to read SDU.\n");
flow_dealloc(fd);
return -1;
}
printf("Server replied with %.*s\n", (int) count, buf);
flow_dealloc(fd);
return 0;
}
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