154 lines
4.9 KiB
C
154 lines
4.9 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 <nanomsg/nn.h>
|
|
#include <stdlib.h>
|
|
#include "protocol/protocol.h"
|
|
#include "criterion/logging.h"
|
|
#include "io/event.h"
|
|
#include "io/asprintf.h"
|
|
|
|
int read_message(int sock, criterion_protocol_msg *message) {
|
|
int res;
|
|
unsigned char *buf = NULL;
|
|
int read = res = nn_recv(sock, &buf, NN_MSG, 0);
|
|
|
|
if (read <= 0)
|
|
goto cleanup;
|
|
|
|
pb_istream_t stream = pb_istream_from_buffer(buf, read);
|
|
if (!pb_decode(&stream, criterion_protocol_msg_fields, message)) {
|
|
res = -2;
|
|
goto cleanup;
|
|
}
|
|
|
|
res = 1;
|
|
cleanup:
|
|
if (buf)
|
|
nn_freemsg(buf);
|
|
return res;
|
|
}
|
|
|
|
int write_message(int sock, const criterion_protocol_msg *message) {
|
|
int res = -1;
|
|
size_t size;
|
|
unsigned char *buf = NULL;
|
|
if (!pb_get_encoded_size(&size, criterion_protocol_msg_fields, message))
|
|
goto cleanup;
|
|
|
|
buf = malloc(size);
|
|
pb_ostream_t stream = pb_ostream_from_buffer(buf, size);
|
|
if (!pb_encode(&stream, criterion_protocol_msg_fields, message))
|
|
goto cleanup;
|
|
|
|
int written = nn_send(sock, buf, size, 0);
|
|
if (written <= 0 || written != (int) size)
|
|
goto cleanup;
|
|
|
|
res = 1;
|
|
cleanup:
|
|
free(buf);
|
|
return res;
|
|
}
|
|
|
|
const char *message_names[] = {
|
|
[criterion_protocol_submessage_birth_tag] = "birth",
|
|
[criterion_protocol_submessage_phase_tag] = "phase",
|
|
[criterion_protocol_submessage_death_tag] = "death",
|
|
[criterion_protocol_submessage_message_tag] = "message",
|
|
[criterion_protocol_submessage_assert_tag] = "assert",
|
|
};
|
|
|
|
void cr_send_to_runner(const criterion_protocol_msg *message) {
|
|
if (write_message(g_client_socket, message) != 1) {
|
|
criterion_perror("Could not write the \"%s\" message down the event pipe: %s.\n",
|
|
message_names[message->data.which_value],
|
|
nn_strerror(errno));
|
|
abort();
|
|
}
|
|
|
|
unsigned char *buf = NULL;
|
|
int read = nn_recv(g_client_socket, &buf, NN_MSG, 0);
|
|
|
|
if (read <= 0) {
|
|
criterion_perror("Could not read ack: %s.\n", nn_strerror(errno));
|
|
abort();
|
|
}
|
|
|
|
criterion_protocol_ack ack;
|
|
pb_istream_t stream = pb_istream_from_buffer(buf, read);
|
|
if (!pb_decode(&stream, criterion_protocol_ack_fields, &ack)) {
|
|
criterion_perror("Could not decode ack: %s.\n", PB_GET_ERROR(&stream));
|
|
abort();
|
|
}
|
|
|
|
if (ack.status_code != criterion_protocol_ack_status_OK) {
|
|
criterion_perror("Runner returned an error: %s.\n", ack.message ? ack.message : "Unknown error");
|
|
abort();
|
|
}
|
|
pb_release(criterion_protocol_ack_fields, &ack);
|
|
|
|
if (buf)
|
|
nn_freemsg(buf);
|
|
}
|
|
|
|
void send_ack(int sock, bool ok, const char *msg, ...) {
|
|
criterion_protocol_ack ack;
|
|
ack.status_code = ok ? criterion_protocol_ack_status_OK : criterion_protocol_ack_status_ERROR;
|
|
ack.message = NULL;
|
|
|
|
if (!ok) {
|
|
va_list ap;
|
|
va_start(ap, msg);
|
|
if (cr_vasprintf(&ack.message, msg, ap) < 0)
|
|
ack.message = NULL;
|
|
va_end(ap);
|
|
}
|
|
|
|
size_t size;
|
|
unsigned char *buf = NULL;
|
|
if (!pb_get_encoded_size(&size, criterion_protocol_ack_fields, &ack)) {
|
|
criterion_perror("Could not calculate the size of an ack.\n");
|
|
abort();
|
|
}
|
|
|
|
buf = malloc(size);
|
|
pb_ostream_t stream = pb_ostream_from_buffer(buf, size);
|
|
if (!pb_encode(&stream, criterion_protocol_ack_fields, &ack)) {
|
|
criterion_perror("Could not encode ack: %s.\n", PB_GET_ERROR(&stream));
|
|
abort();
|
|
}
|
|
|
|
int written = nn_send(sock, buf, size, 0);
|
|
if (written <= 0 || written != (int) size) {
|
|
criterion_perror("Could not send ack: %s.\n", nn_strerror(errno));
|
|
abort();
|
|
}
|
|
|
|
free(buf);
|
|
}
|
|
|
|
void free_message(criterion_protocol_msg *msg) {
|
|
pb_release(criterion_protocol_msg_fields, msg);
|
|
}
|