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/*
* logging unit-tests
*
* Copyright (C) 2016 Linaro Ltd.
*
* Author: Alex Bennée <alex.bennee@linaro.org>
*
* 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 "qemu/osdep.h"
#include <glib/gstdio.h>
#include "qemu-common.h"
#include "qapi/error.h"
#include "qemu/log.h"
static void test_parse_range(void)
{
Error *err = NULL;
qemu_set_dfilter_ranges("0x1000+0x100", &error_abort);
g_assert_false(qemu_log_in_addr_range(0xfff));
g_assert(qemu_log_in_addr_range(0x1000));
g_assert(qemu_log_in_addr_range(0x1001));
g_assert(qemu_log_in_addr_range(0x10ff));
g_assert_false(qemu_log_in_addr_range(0x1100));
qemu_set_dfilter_ranges("0x1000-0x100", &error_abort);
g_assert_false(qemu_log_in_addr_range(0x1001));
g_assert(qemu_log_in_addr_range(0x1000));
g_assert(qemu_log_in_addr_range(0x0f01));
g_assert_false(qemu_log_in_addr_range(0x0f00));
qemu_set_dfilter_ranges("0x1000..0x1100", &error_abort);
g_assert_false(qemu_log_in_addr_range(0xfff));
g_assert(qemu_log_in_addr_range(0x1000));
g_assert(qemu_log_in_addr_range(0x1100));
g_assert_false(qemu_log_in_addr_range(0x1101));
qemu_set_dfilter_ranges("0x1000..0x1000", &error_abort);
g_assert_false(qemu_log_in_addr_range(0xfff));
g_assert(qemu_log_in_addr_range(0x1000));
g_assert_false(qemu_log_in_addr_range(0x1001));
qemu_set_dfilter_ranges("0x1000+0x100,0x2100-0x100,0x3000..0x3100",
&error_abort);
g_assert(qemu_log_in_addr_range(0x1050));
g_assert(qemu_log_in_addr_range(0x2050));
g_assert(qemu_log_in_addr_range(0x3050));
qemu_set_dfilter_ranges("0xffffffffffffffff-1", &error_abort);
g_assert(qemu_log_in_addr_range(UINT64_MAX));
g_assert_false(qemu_log_in_addr_range(UINT64_MAX - 1));
qemu_set_dfilter_ranges("0..0xffffffffffffffff", &err);
g_assert(qemu_log_in_addr_range(0));
g_assert(qemu_log_in_addr_range(UINT64_MAX));
qemu_set_dfilter_ranges("2..1", &err);
error_free_or_abort(&err);
qemu_set_dfilter_ranges("0x1000+onehundred", &err);
error_free_or_abort(&err);
qemu_set_dfilter_ranges("0x1000+0", &err);
error_free_or_abort(&err);
}
static void set_log_path_tmp(char const *dir, char const *tpl, Error **errp)
{
gchar *file_path = g_build_filename(dir, tpl, NULL);
qemu_set_log_filename(file_path, errp);
g_free(file_path);
}
static void test_parse_path(gconstpointer data)
{
gchar const *tmp_path = data;
Error *err = NULL;
set_log_path_tmp(tmp_path, "qemu.log", &error_abort);
set_log_path_tmp(tmp_path, "qemu-%d.log", &error_abort);
set_log_path_tmp(tmp_path, "qemu.log.%d", &error_abort);
set_log_path_tmp(tmp_path, "qemu-%d%d.log", &err);
error_free_or_abort(&err);
}
static void test_logfile_write(gconstpointer data)
{
QemuLogFile *logfile;
QemuLogFile *logfile2;
gchar const *dir = data;
Error *err = NULL;
g_autofree gchar *file_path;
g_autofree gchar *file_path1;
FILE *orig_fd;
/*
* Before starting test, set log flags, to ensure the file gets
* opened below with the call to qemu_set_log_filename().
* In cases where a logging backend other than log is used,
* this is needed.
*/
qemu_set_log(CPU_LOG_TB_OUT_ASM);
file_path = g_build_filename(dir, "qemu_test_log_write0.log", NULL);
file_path1 = g_build_filename(dir, "qemu_test_log_write1.log", NULL);
/*
* Test that even if an open file handle is changed,
* our handle remains valid due to RCU.
*/
qemu_set_log_filename(file_path, &err);
g_assert(!err);
rcu_read_lock();
logfile = atomic_rcu_read(&qemu_logfile);
orig_fd = logfile->fd;
g_assert(logfile && logfile->fd);
fprintf(logfile->fd, "%s 1st write to file\n", __func__);
fflush(logfile->fd);
/* Change the logfile and ensure that the handle is still valid. */
qemu_set_log_filename(file_path1, &err);
g_assert(!err);
logfile2 = atomic_rcu_read(&qemu_logfile);
g_assert(logfile->fd == orig_fd);
g_assert(logfile2->fd != logfile->fd);
fprintf(logfile->fd, "%s 2nd write to file\n", __func__);
fflush(logfile->fd);
rcu_read_unlock();
}
static void test_logfile_lock(gconstpointer data)
{
FILE *logfile;
gchar const *dir = data;
Error *err = NULL;
g_autofree gchar *file_path;
file_path = g_build_filename(dir, "qemu_test_logfile_lock0.log", NULL);
/*
* Test the use of the logfile lock, such
* that even if an open file handle is closed,
* our handle remains valid for use due to RCU.
*/
qemu_set_log_filename(file_path, &err);
logfile = qemu_log_lock();
g_assert(logfile);
fprintf(logfile, "%s 1st write to file\n", __func__);
fflush(logfile);
/*
* Initiate a close file and make sure our handle remains
* valid since we still have the logfile lock.
*/
qemu_log_close();
fprintf(logfile, "%s 2nd write to file\n", __func__);
fflush(logfile);
qemu_log_unlock(logfile);
g_assert(!err);
}
/* Remove a directory and all its entries (non-recursive). */
static void rmdir_full(gchar const *root)
{
GDir *root_gdir = g_dir_open(root, 0, NULL);
gchar const *entry_name;
g_assert_nonnull(root_gdir);
while ((entry_name = g_dir_read_name(root_gdir)) != NULL) {
gchar *entry_path = g_build_filename(root, entry_name, NULL);
g_assert(g_remove(entry_path) == 0);
g_free(entry_path);
}
g_dir_close(root_gdir);
g_assert(g_rmdir(root) == 0);
}
int main(int argc, char **argv)
{
gchar *tmp_path = g_dir_make_tmp("qemu-test-logging.XXXXXX", NULL);
int rc;
g_test_init(&argc, &argv, NULL);
g_assert_nonnull(tmp_path);
g_test_add_func("/logging/parse_range", test_parse_range);
g_test_add_data_func("/logging/parse_path", tmp_path, test_parse_path);
g_test_add_data_func("/logging/logfile_write_path",
tmp_path, test_logfile_write);
g_test_add_data_func("/logging/logfile_lock_path",
tmp_path, test_logfile_lock);
rc = g_test_run();
rmdir_full(tmp_path);
g_free(tmp_path);
return rc;
}
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