151 lines
4.9 KiB
C
151 lines
4.9 KiB
C
/**
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* @file ncdinterfacemonitor_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 <string.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <misc/get_iface_info.h>
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#include <misc/ipaddr6.h>
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#include <misc/debug.h>
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#include <base/BLog.h>
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#include <system/BTime.h>
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#include <system/BReactor.h>
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#include <system/BSignal.h>
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#include <ncd/extra/NCDInterfaceMonitor.h>
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BReactor reactor;
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NCDInterfaceMonitor monitor;
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static void signal_handler (void *user);
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static void monitor_handler (void *unused, struct NCDInterfaceMonitor_event event);
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static void monitor_handler_error (void *unused);
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int main (int argc, char **argv)
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{
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int ret = 1;
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if (argc != 2) {
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fprintf(stderr, "Usage: %s <interface>\n", (argc > 0 ? argv[0] : ""));
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goto fail0;
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}
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int ifindex;
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if (!badvpn_get_iface_info(argv[1], NULL, NULL, &ifindex)) {
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DEBUG("get_iface_info 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 (!BNetwork_GlobalInit()) {
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DEBUG("BNetwork_GlobalInit failed");
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goto fail1;
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}
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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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if (!BSignal_Init(&reactor, signal_handler, NULL)) {
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DEBUG("BSignal_Init failed");
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goto fail2;
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}
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int watch_flags = NCDIFMONITOR_WATCH_LINK|NCDIFMONITOR_WATCH_IPV4_ADDR|NCDIFMONITOR_WATCH_IPV6_ADDR;
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if (!NCDInterfaceMonitor_Init(&monitor, ifindex, watch_flags, &reactor, NULL, monitor_handler, monitor_handler_error)) {
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DEBUG("NCDInterfaceMonitor_Init failed");
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goto fail3;
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}
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ret = BReactor_Exec(&reactor);
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NCDInterfaceMonitor_Free(&monitor);
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fail3:
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BSignal_Finish();
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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 ret;
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}
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void signal_handler (void *user)
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{
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DEBUG("termination requested");
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BReactor_Quit(&reactor, 1);
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}
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void monitor_handler (void *unused, struct NCDInterfaceMonitor_event event)
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{
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switch (event.event) {
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case NCDIFMONITOR_EVENT_LINK_UP:
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case NCDIFMONITOR_EVENT_LINK_DOWN: {
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const char *type = (event.event == NCDIFMONITOR_EVENT_LINK_UP) ? "up" : "down";
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printf("link %s\n", type);
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} break;
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case NCDIFMONITOR_EVENT_IPV4_ADDR_ADDED:
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case NCDIFMONITOR_EVENT_IPV4_ADDR_REMOVED: {
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const char *type = (event.event == NCDIFMONITOR_EVENT_IPV4_ADDR_ADDED) ? "added" : "removed";
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uint8_t *addr = (uint8_t *)&event.u.ipv4_addr.addr;
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printf("ipv4 addr %s %d.%d.%d.%d/%d\n", type, (int)addr[0], (int)addr[1], (int)addr[2], (int)addr[3], event.u.ipv4_addr.addr.prefix);
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} break;
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case NCDIFMONITOR_EVENT_IPV6_ADDR_ADDED:
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case NCDIFMONITOR_EVENT_IPV6_ADDR_REMOVED: {
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const char *type = (event.event == NCDIFMONITOR_EVENT_IPV6_ADDR_ADDED) ? "added" : "removed";
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char str[IPADDR6_PRINT_MAX];
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ipaddr6_print_addr(event.u.ipv6_addr.addr.addr, str);
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int dynamic = !!(event.u.ipv6_addr.addr_flags & NCDIFMONITOR_ADDR_FLAG_DYNAMIC);
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printf("ipv6 addr %s %s/%d scope=%"PRIu8" dynamic=%d\n", type, str, event.u.ipv6_addr.addr.prefix, event.u.ipv6_addr.scope, dynamic);
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} break;
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default: ASSERT(0);
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}
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}
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void monitor_handler_error (void *unused)
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{
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DEBUG("monitor error");
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BReactor_Quit(&reactor, 1);
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}
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