| /* |
| * Copyright (c) 2016, The OpenThread Authors. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holder nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @file |
| * @brief |
| * This file includes the platform-specific initializers. |
| */ |
| |
| #include "platform-simulation.h" |
| |
| #if OPENTHREAD_SIMULATION_VIRTUAL_TIME == 0 |
| |
| #include <assert.h> |
| #include <errno.h> |
| #include <getopt.h> |
| #include <libgen.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <syslog.h> |
| |
| #include <openthread/tasklet.h> |
| #include <openthread/platform/alarm-milli.h> |
| #include <openthread/platform/radio.h> |
| |
| uint32_t gNodeId = 1; |
| |
| extern bool gPlatformPseudoResetWasRequested; |
| extern otRadioCaps gRadioCaps; |
| |
| static volatile bool gTerminate = false; |
| |
| static void handleSignal(int aSignal) |
| { |
| OT_UNUSED_VARIABLE(aSignal); |
| |
| gTerminate = true; |
| } |
| |
| /** |
| * This enumeration defines the argument return values. |
| * |
| */ |
| enum |
| { |
| OT_SIM_OPT_HELP = 'h', |
| OT_SIM_OPT_SLEEP_TO_TX = 't', |
| OT_SIM_OPT_TIME_SPEED = 's', |
| OT_SIM_OPT_UNKNOWN = '?', |
| }; |
| |
| static void PrintUsage(const char *aProgramName, int aExitCode) |
| { |
| fprintf(stderr, |
| "Syntax:\n" |
| " %s [Options] NodeId\n" |
| "Options:\n" |
| " -h --help Display this usage information.\n" |
| " -t --sleep-to-tx Let radio support direct transition from sleep to TX with CSMA.\n" |
| " -s --time-speed=val Speed up the time in simulation.\n", |
| aProgramName); |
| |
| exit(aExitCode); |
| } |
| |
| void otSysInit(int aArgCount, char *aArgVector[]) |
| { |
| char * endptr; |
| uint32_t speedUpFactor = 1; |
| |
| static const struct option long_options[] = { |
| {"help", no_argument, 0, OT_SIM_OPT_HELP}, |
| {"sleep-to-tx", no_argument, 0, OT_SIM_OPT_SLEEP_TO_TX}, |
| {"time-speed", required_argument, 0, OT_SIM_OPT_TIME_SPEED}, |
| {0, 0, 0, 0}, |
| }; |
| |
| if (gPlatformPseudoResetWasRequested) |
| { |
| gPlatformPseudoResetWasRequested = false; |
| return; |
| } |
| |
| optind = 1; |
| |
| while (true) |
| { |
| int c = getopt_long(aArgCount, aArgVector, "hts:", long_options, NULL); |
| |
| if (c == -1) |
| { |
| break; |
| } |
| |
| switch (c) |
| { |
| case OT_SIM_OPT_UNKNOWN: |
| PrintUsage(aArgVector[0], EXIT_FAILURE); |
| break; |
| case OT_SIM_OPT_HELP: |
| PrintUsage(aArgVector[0], EXIT_SUCCESS); |
| break; |
| case OT_SIM_OPT_SLEEP_TO_TX: |
| gRadioCaps |= OT_RADIO_CAPS_SLEEP_TO_TX; |
| break; |
| case OT_SIM_OPT_TIME_SPEED: |
| speedUpFactor = (uint32_t)strtol(optarg, &endptr, 10); |
| if (*endptr != '\0' || speedUpFactor == 0) |
| { |
| fprintf(stderr, "Invalid value for TimerSpeedUpFactor: %s\n", optarg); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| if (optind != aArgCount - 1) |
| { |
| PrintUsage(aArgVector[0], EXIT_FAILURE); |
| } |
| |
| gNodeId = (uint32_t)strtol(aArgVector[optind], &endptr, 0); |
| |
| if (*endptr != '\0' || gNodeId < 1 || gNodeId > MAX_NETWORK_SIZE) |
| { |
| fprintf(stderr, "Invalid NodeId: %s\n", aArgVector[optind]); |
| exit(EXIT_FAILURE); |
| } |
| |
| openlog(basename(aArgVector[0]), LOG_PID, LOG_USER); |
| setlogmask(setlogmask(0) & LOG_UPTO(LOG_NOTICE)); |
| |
| signal(SIGTERM, &handleSignal); |
| signal(SIGHUP, &handleSignal); |
| |
| platformAlarmInit(speedUpFactor); |
| platformRadioInit(); |
| #if OPENTHREAD_CONFIG_RADIO_LINK_TREL_ENABLE |
| platformTrelInit(speedUpFactor); |
| #endif |
| platformRandomInit(); |
| } |
| |
| bool otSysPseudoResetWasRequested(void) |
| { |
| return gPlatformPseudoResetWasRequested; |
| } |
| |
| void otSysDeinit(void) |
| { |
| platformRadioDeinit(); |
| #if OPENTHREAD_CONFIG_RADIO_LINK_TREL_ENABLE |
| platformTrelDeinit(); |
| #endif |
| } |
| |
| void otSysProcessDrivers(otInstance *aInstance) |
| { |
| fd_set read_fds; |
| fd_set write_fds; |
| fd_set error_fds; |
| int max_fd = -1; |
| struct timeval timeout; |
| int rval; |
| |
| FD_ZERO(&read_fds); |
| FD_ZERO(&write_fds); |
| FD_ZERO(&error_fds); |
| |
| platformUartUpdateFdSet(&read_fds, &write_fds, &error_fds, &max_fd); |
| platformRadioUpdateFdSet(&read_fds, &write_fds, &max_fd); |
| platformAlarmUpdateTimeout(&timeout); |
| #if OPENTHREAD_CONFIG_RADIO_LINK_TREL_ENABLE |
| platformTrelUpdateFdSet(&read_fds, &write_fds, &timeout, &max_fd); |
| #endif |
| |
| if (otTaskletsArePending(aInstance)) |
| { |
| timeout.tv_sec = 0; |
| timeout.tv_usec = 0; |
| } |
| |
| rval = select(max_fd + 1, &read_fds, &write_fds, &error_fds, &timeout); |
| |
| if (rval >= 0) |
| { |
| platformUartProcess(); |
| platformRadioProcess(aInstance, &read_fds, &write_fds); |
| } |
| else if (errno != EINTR) |
| { |
| perror("select"); |
| exit(EXIT_FAILURE); |
| } |
| |
| platformAlarmProcess(aInstance); |
| #if OPENTHREAD_CONFIG_RADIO_LINK_TREL_ENABLE |
| platformTrelProcess(aInstance, &read_fds, &write_fds); |
| #endif |
| |
| if (gTerminate) |
| { |
| exit(0); |
| } |
| } |
| |
| #endif // OPENTHREAD_SIMULATION_VIRTUAL_TIME == 0 |