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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* 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 <string.h>
#include "runner.h"
#include "task.h"
char executable_path[PATHMAX] = { '\0' };
/* Start a specific process declared by TEST_ENTRY or TEST_HELPER. */
/* Returns the exit code of the specific process. */
int run_process(char* name) {
task_entry_t *test;
for (test = (task_entry_t*)&TASKS; test->main; test++) {
if (strcmp(name, test->process_name) == 0) {
return test->main();
}
}
LOGF("Test process %s not found!\n", name);
return 255;
}
/*
* Runs all processes associated with a particular test or benchmark.
* It returns 1 if the test succeeded, 0 if it failed.
* If the test fails it prints diagnostic information.
* If benchmark_output is nonzero, the output from the main process is
* always shown.
*/
int run_task(task_entry_t *test, int timeout, int benchmark_output) {
int i, result, success;
char errmsg[256];
task_entry_t *helper;
int process_count;
process_info_t processes[MAX_PROCESSES];
process_info_t *main_process;
success = 0;
process_count = 0;
/* Start all helpers for this test first. */
for (helper = (task_entry_t*)&TASKS; helper->main; helper++) {
if (helper->is_helper &&
strcmp(test->task_name, helper->task_name) == 0) {
if (process_start(helper->process_name, &processes[process_count]) == -1) {
snprintf((char*)&errmsg,
sizeof(errmsg),
"process `%s` failed to start.",
helper->process_name);
goto finalize;
}
process_count++;
}
}
/* Wait a little bit to allow servers to start. Racy. */
uv_sleep(100);
/* Start the main test process. */
if (process_start(test->process_name, &processes[process_count]) == -1) {
snprintf((char*)&errmsg, sizeof(errmsg), "process `%s` failed to start.",
test->process_name);
goto finalize;
}
main_process = &processes[process_count];
process_count++;
/* Wait for the main process to terminate. */
result = process_wait(main_process, 1, timeout);
if (result == -1) {
FATAL("process_wait failed");
} else if (result == -2) {
snprintf((char*)&errmsg, sizeof(errmsg), "timeout.");
goto finalize;
}
/* Reap the main process. */
result = process_reap(main_process);
if (result != 0) {
snprintf((char*)&errmsg, sizeof(errmsg), "exit code %d.", result);
goto finalize;
}
/* Yes! did it. */
success = 1;
finalize:
/* Kill all (helper) processes that are still running. */
for (i = 0; i < process_count; i++) {
/* If terminate fails the process is probably already closed. */
process_terminate(&processes[i]);
}
/* Wait until all processes have really terminated. */
if (process_wait((process_info_t*)&processes, process_count, -1) < 0) {
FATAL("process_wait failed");
}
/* Show error and output from processes if the test failed. */
if (!success) {
LOGF("\n`%s` failed: %s\n", test->task_name, errmsg);
for (i = 0; i < process_count; i++) {
switch (process_output_size(&processes[i])) {
case -1:
LOGF("Output from process `%s`: (unavailable)\n",
process_get_name(&processes[i]));
break;
case 0:
LOGF("Output from process `%s`: (no output)\n",
process_get_name(&processes[i]));
break;
default:
LOGF("Output from process `%s`:\n", process_get_name(&processes[i]));
process_copy_output(&processes[i], fileno(stderr));
break;
}
}
LOG("=============================================================\n");
/* In benchmark mode show concise output from the main process. */
} else if (benchmark_output) {
switch (process_output_size(main_process)) {
case -1:
LOGF("%s: (unavailabe)\n", test->task_name);
break;
case 0:
LOGF("%s: (no output)\n", test->task_name);
break;
default:
for (i = 0; i < process_count; i++) {
process_copy_output(&processes[i], fileno(stderr));
}
break;
}
}
/* Clean up all process handles. */
for (i = 0; i < process_count; i++) {
process_cleanup(&processes[i]);
}
return success;
}
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