Criterion/src/io/event.c

153 lines
5 KiB
C

/*
* The MIT License (MIT)
*
* Copyright © 2015 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 <stdio.h>
#include <string.h>
#include <csptr/smalloc.h>
#include "criterion/stats.h"
#include "criterion/common.h"
#include "criterion/hooks.h"
#include "core/worker.h"
#include "event.h"
FILE *g_event_pipe = NULL;
void destroy_event(void *ptr, UNUSED void *meta) {
struct event *ev = ptr;
free(ev->data);
}
void destroy_assert_event(void *ptr, UNUSED void *meta) {
struct event *ev = ptr;
free((void*) ((struct criterion_assert_stats *) ev->data)->message);
free(ev->data);
}
struct event *read_event(FILE *f) {
unsigned kind;
if (fread(&kind, sizeof (unsigned), 1, f) == 0)
return NULL;
unsigned long long pid;
if (fread(&pid, sizeof (unsigned long long), 1, f) == 0)
return NULL;
switch (kind) {
case ASSERT: {
const size_t assert_size = sizeof (struct criterion_assert_stats);
struct criterion_assert_stats *buf = NULL;
char *msg = NULL;
buf = malloc(assert_size);
if (fread(buf, assert_size, 1, f) == 0)
goto fail_assert;
size_t len = 0;
if (fread(&len, sizeof (size_t), 1, f) == 0)
goto fail_assert;
msg = malloc(len);
if (fread(msg, len, 1, f) == 0)
goto fail_assert;
buf->message = msg;
struct event *ev = smalloc(
.size = sizeof (struct event),
.dtor = destroy_assert_event
);
*ev = (struct event) { .pid = pid, .kind = kind, .data = buf };
return ev;
fail_assert:
free(buf);
free(msg);
return NULL;
}
case THEORY_FAIL: {
size_t len = 0;
if (fread(&len, sizeof (size_t), 1, f) == 0)
return NULL;
char *buf = malloc(len);
if (fread(buf, len, 1, f) == 0) {
free(buf);
return NULL;
}
struct event *ev = smalloc(
.size = sizeof (struct event),
.dtor = destroy_event
);
*ev = (struct event) { .pid = pid, .kind = kind, .data = buf };
return ev;
}
case POST_TEST: {
double *elapsed_time = malloc(sizeof (double));
if (fread(elapsed_time, sizeof (double), 1, f) == 0) {
free(elapsed_time);
return NULL;
}
struct event *ev = smalloc(
.size = sizeof (struct event),
.dtor = destroy_event
);
*ev = (struct event) { .pid = pid, .kind = kind, .data = elapsed_time };
return ev;
}
case WORKER_TERMINATED: {
struct worker_status *status = malloc(sizeof (struct worker_status));
if (fread(status, sizeof (struct worker_status), 1, f) == 0) {
free(status);
return NULL;
}
struct event *ev = smalloc(
.size = sizeof (struct event),
.dtor = destroy_event
);
*ev = (struct event) { .pid = pid, .kind = kind, .data = status };
return ev;
}
default: {
struct event *ev = smalloc(sizeof (struct event));
*ev = (struct event) { .pid = pid, .kind = kind, .data = NULL };
return ev;
}
}
}
void send_event(int kind, void *data, size_t size) {
unsigned long long pid = get_process_id();
unsigned char *buf = malloc(sizeof (int) + sizeof (pid) + size);
memcpy(buf, &kind, sizeof (int));
memcpy(buf + sizeof (int), &pid, sizeof (pid));
memcpy(buf + sizeof (int) + sizeof (pid), data, size);
if (fwrite(buf, sizeof (int) + sizeof (pid) + size, 1, g_event_pipe) == 0)
abort();
free(buf);
}