162 lines
4.8 KiB
C
162 lines
4.8 KiB
C
/**
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* @file ncdudevmanager_test.c
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* @author Ambroz Bizjak <ambrop7@gmail.com>
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*
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* @section LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <misc/debug.h>
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#include <system/BTime.h>
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#include <base/BLog.h>
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#include <system/BReactor.h>
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#include <system/BUnixSignal.h>
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#include <system/BProcess.h>
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#include <system/BNetwork.h>
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#include <udevmonitor/NCDUdevManager.h>
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BReactor reactor;
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BUnixSignal usignal;
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BProcessManager manager;
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NCDUdevManager umanager;
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NCDUdevClient client;
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static void signal_handler (void *user, int signo);
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static void client_handler (void *unused, char *devpath, int have_map, BStringMap map);
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int main (int argc, char **argv)
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{
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if (!(argc == 1 || (argc == 2 && !strcmp(argv[1], "--no-udev")))) {
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fprintf(stderr, "Usage: %s [--no-udev]\n", (argc > 0 ? argv[0] : NULL));
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goto fail0;
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}
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int no_udev = (argc == 2);
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if (!BNetwork_GlobalInit()) {
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DEBUG("BNetwork_GlobalInit failed");
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goto fail0;
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}
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BTime_Init();
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BLog_InitStdout();
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if (!BReactor_Init(&reactor)) {
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DEBUG("BReactor_Init failed");
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goto fail1;
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}
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sigset_t set;
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sigemptyset(&set);
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sigaddset(&set, SIGINT);
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sigaddset(&set, SIGTERM);
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sigaddset(&set, SIGHUP);
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if (!BUnixSignal_Init(&usignal, &reactor, set, signal_handler, NULL)) {
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fprintf(stderr, "BUnixSignal_Init failed\n");
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goto fail2;
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}
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if (!BProcessManager_Init(&manager, &reactor)) {
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DEBUG("BProcessManager_Init failed");
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goto fail3;
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}
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NCDUdevManager_Init(&umanager, no_udev, &reactor, &manager);
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NCDUdevClient_Init(&client, &umanager, NULL, client_handler);
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BReactor_Exec(&reactor);
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NCDUdevClient_Free(&client);
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NCDUdevManager_Free(&umanager);
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BProcessManager_Free(&manager);
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fail3:
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BUnixSignal_Free(&usignal, 0);
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fail2:
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BReactor_Free(&reactor);
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fail1:
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BLog_Free();
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fail0:
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DebugObjectGlobal_Finish();
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return 1;
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}
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static void signal_handler (void *user, int signo)
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{
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if (signo == SIGHUP) {
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fprintf(stderr, "received SIGHUP, restarting client\n");
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NCDUdevClient_Free(&client);
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NCDUdevClient_Init(&client, &umanager, NULL, client_handler);
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} else {
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fprintf(stderr, "received %s, exiting\n", (signo == SIGINT ? "SIGINT" : "SIGTERM"));
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// exit event loop
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BReactor_Quit(&reactor, 1);
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}
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}
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void client_handler (void *unused, char *devpath, int have_map, BStringMap map)
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{
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printf("event %s\n", devpath);
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if (!have_map) {
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printf(" no map\n");
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} else {
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printf(" map:\n");
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const char *name = BStringMap_First(&map);
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while (name) {
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printf(" %s=%s\n", name, BStringMap_Get(&map, name));
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name = BStringMap_Next(&map, name);
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}
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}
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const BStringMap *cache_map = NCDUdevManager_Query(&umanager, devpath);
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if (!cache_map) {
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printf(" no cache\n");
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} else {
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printf(" cache:\n");
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const char *name = BStringMap_First(cache_map);
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while (name) {
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printf(" %s=%s\n", name, BStringMap_Get(cache_map, name));
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name = BStringMap_Next(cache_map, name);
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}
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}
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if (have_map) {
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BStringMap_Free(&map);
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}
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free(devpath);
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}
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