Criterion/src/protocol/connect.c

68 lines
1.9 KiB
C

/*
* The MIT License (MIT)
*
* Copyright © 2015-2016 Franklin "Snaipe" Mathieu <http://snai.pe/>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <errno.h>
#include <nanomsg/nn.h>
#include <nanomsg/reqrep.h>
#define URL "ipc://criterion.sock"
#define errno_ignore(Stmt) do { int err = errno; Stmt; errno = err; } while (0)
int bind_server(void) {
int fstrat = NN_FORK_RESET;
nn_setopt(NN_FORK_STRATEGY, &fstrat, sizeof (fstrat));
int sock = nn_socket(AF_SP, NN_REP);
if (sock < 0)
return -1;
if (nn_bind(sock, URL) < 0)
goto error;
return sock;
error: {}
errno_ignore(nn_close(sock));
return -1;
}
int connect_client(void) {
int sock = nn_socket(AF_SP, NN_REQ);
if (sock < 0)
return -1;
if (nn_connect (sock, URL) < 0)
goto error;
return sock;
error: {}
errno_ignore(nn_close(sock));
return -1;
}
void close_socket(int sock) {
nn_close(sock);
}