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/*
* 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.
*/
#ifndef PLATFORM_POSIX_H_
#define PLATFORM_POSIX_H_
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/select.h>
#include <sys/time.h>
#include <openthread-system.h>
#include <openthread/error.h>
#include <openthread/instance.h>
#include "platform-config.h"
#include "common/logging.hpp"
/**
* This is the socket name used by daemon mode.
*
*/
#define OPENTHREAD_POSIX_APP_SOCKET_NAME OPENTHREAD_POSIX_APP_SOCKET_BASENAME ".sock"
#ifdef __cplusplus
extern "C" {
#endif
enum
{
OT_SIM_EVENT_ALARM_FIRED = 0,
OT_SIM_EVENT_RADIO_RECEIVED = 1,
OT_SIM_EVENT_UART_WRITE = 2,
OT_SIM_EVENT_RADIO_SPINEL_WRITE = 3,
OT_EVENT_DATA_MAX_SIZE = 1024,
};
OT_TOOL_PACKED_BEGIN
struct Event
{
uint64_t mDelay;
uint8_t mEvent;
uint16_t mDataLength;
uint8_t mData[OT_EVENT_DATA_MAX_SIZE];
} OT_TOOL_PACKED_END;
/**
* This function converts an exit code into a string.
*
* @param[in] aExitCode An exit code.
*
* @returns A string representation of an exit code.
*
*/
const char *otExitCodeToString(uint8_t aExitCode);
/**
* This macro checks for the specified condition, which is expected to commonly be true,
* and both records exit status and terminates the program if the condition is false.
*
* @param[in] aCondition The condition to verify
* @param[in] aExitCode The exit code.
*
*/
#define VerifyOrDie(aCondition, aExitCode) \
do \
{ \
if (!(aCondition)) \
{ \
otLogCritPlat("%s() at %s:%d: %s", __func__, __FILE__, __LINE__, otExitCodeToString(aExitCode)); \
exit(aExitCode); \
} \
} while (false)
/**
* This macro checks for the specified error code, which is expected to commonly be successful,
* and both records exit status and terminates the program if the error code is unsuccessful.
*
* @param[in] aError An error code to be evaluated against OT_ERROR_NONE.
*
*/
#define SuccessOrDie(aError) \
VerifyOrDie(aError == OT_ERROR_NONE, \
(aError == OT_ERROR_INVALID_ARGS ? OT_EXIT_INVALID_ARGUMENTS : OT_EXIT_FAILURE))
/**
* This macro unconditionally both records exit status and terminates the program.
*
* @param[in] aExitCode The exit code.
*
*/
#define DieNow(aExitCode) VerifyOrDie(false, aExitCode)
/**
* This macro unconditionally both records exit status and exit message and terminates the program.
*
* @param[in] aMessage The exit message.
* @param[in] aExitCode The exit code.
*
*/
#define DieNowWithMessage(aMessage, aExitCode) \
do \
{ \
fprintf(stderr, "exit(%d): %s line %d, %s, %s\r\n", aExitCode, __func__, __LINE__, aMessage, \
otExitCodeToString(aExitCode)); \
otLogCritPlat("exit(%d): %s line %d, %s, %s", aExitCode, __func__, __LINE__, aMessage, \
otExitCodeToString(aExitCode)); \
exit(aExitCode); \
} while (false)
/**
* Unique node ID.
*
*/
extern uint64_t gNodeId;
/**
* This function initializes the alarm service used by OpenThread.
*
*/
void platformAlarmInit(uint32_t aSpeedUpFactor);
/**
* This function retrieves the time remaining until the alarm fires.
*
* @param[out] aTimeval A pointer to the timeval struct.
*
*/
void platformAlarmUpdateTimeout(struct timeval *tv);
/**
* This function performs alarm driver processing.
*
* @param[in] aInstance The OpenThread instance structure.
*
*/
void platformAlarmProcess(otInstance *aInstance);
/**
* This function returns the next alarm event time.
*
* @returns The next alarm fire time.
*
*/
int32_t platformAlarmGetNext(void);
#define MS_PER_S 1000
#define US_PER_MS 1000
#define US_PER_S 1000000
#define NS_PER_US 1000
/**
* This function advances the alarm time by @p aDelta.
*
* @param[in] aDelta The amount of time to advance.
*
*/
void platformAlarmAdvanceNow(uint64_t aDelta);
/**
* This function initializes the radio service used by OpenThread.
*
* @note Even when @p aPlatformConfig->mResetRadio is false, a reset event (i.e. a PROP_LAST_STATUS between
* [SPINEL_STATUS_RESET__BEGIN, SPINEL_STATUS_RESET__END]) is still expected from RCP.
*
* @param[in] aPlatformConfig Platform configuration structure.
*
*/
void platformRadioInit(const otPlatformConfig *aPlatformConfig);
/**
* This function shuts down the radio service used by OpenThread.
*
*/
void platformRadioDeinit(void);
/**
* This function inputs a received radio frame.
*
* @param[in] aInstance A pointer to the OpenThread instance.
* @param[in] aBuf A pointer to the received radio frame.
* @param[in] aBufLength The size of the received radio frame.
*
*/
void platformRadioReceive(otInstance *aInstance, uint8_t *aBuf, uint16_t aBufLength);
/**
* This function updates the file descriptor sets with file descriptors used by the radio driver.
*
* @param[inout] aReadFdSet A pointer to the read file descriptors.
* @param[inout] aWriteFdSet A pointer to the write file descriptors.
* @param[inout] aMaxFd A pointer to the max file descriptor.
* @param[inout] aTimeout A pointer to the timeout.
*
*/
void platformRadioUpdateFdSet(fd_set *aReadFdSet, fd_set *aWriteFdSet, int *aMaxFd, struct timeval *aTimeout);
/**
* This function performs radio driver processing.
*
* @param[in] aInstance A pointer to the OpenThread instance.
* @param[in] aReadFdSet A pointer to the read file descriptors.
* @param[in] aWriteFdSet A pointer to the write file descriptors.
*
*/
void platformRadioProcess(otInstance *aInstance, const fd_set *aReadFdSet, const fd_set *aWriteFdSet);
/**
* This function initializes the random number service used by OpenThread.
*
*/
void platformRandomInit(void);
/**
* This function initializes the logging service used by OpenThread.
*
* @param[in] aName A name string which will be prefixed to each log line.
*
*/
void platformLoggingInit(const char *aName);
/**
* This function updates the file descriptor sets with file descriptors used by the UART driver.
*
* @param[inout] aReadFdSet A pointer to the read file descriptors.
* @param[inout] aWriteFdSet A pointer to the write file descriptors.
* @param[inout] aMaxFd A pointer to the max file descriptor.
*
*/
void platformUartUpdateFdSet(fd_set *aReadFdSet, fd_set *aWriteFdSet, fd_set *aErrorFdSet, int *aMaxFd);
/**
* This function performs radio driver processing.
*
* @param[in] aReadFdSet A pointer to the read file descriptors.
* @param[in] aWriteFdSet A pointer to the write file descriptors.
* @param[in] aErrorFdSet A pointer to the error file descriptors.
*
*/
void platformUartProcess(const fd_set *aReadFdSet, const fd_set *aWriteFdSet, const fd_set *aErrorFdSet);
/**
* This function initializes platform netif.
*
* @param[in] aInstance A pointer to the OpenThread instance.
*
*/
void platformNetifInit(otInstance *aInstance);
/**
* This function updates the file descriptor sets with file descriptors used by platform netif module.
*
* @param[inout] aReadFdSet A pointer to the read file descriptors.
* @param[inout] aWriteFdSet A pointer to the write file descriptors.
* @param[inout] aErrorFdSet A pointer to the error file descriptors.
* @param[inout] aMaxFd A pointer to the max file descriptor.
*
*/
void platformNetifUpdateFdSet(fd_set *aReadFdSet, fd_set *aWriteFdSet, fd_set *aErrorFdSet, int *aMaxFd);
/**
* This function performs platform netif processing.
*
* @param[in] aReadFdSet A pointer to the read file descriptors.
* @param[in] aWriteFdSet A pointer to the write file descriptors.
* @param[in] aErrorFdSet A pointer to the error file descriptors.
*
*/
void platformNetifProcess(const fd_set *aReadFdSet, const fd_set *aWriteFdSet, const fd_set *aErrorFdSet);
/**
* This function initialize virtual time simulation.
*
*/
void platformSimInit(void);
/**
* This function deinitialize virtual time simulation.
*
*/
void platformSimDeinit(void);
/**
* This function performs virtual time simulation processing.
*
* @param[in] aInstance A pointer to the OpenThread instance.
* @param[in] aReadFdSet A pointer to the read file descriptors.
* @param[in] aWriteFdSet A pointer to the write file descriptors.
*
*/
void platformSimProcess(otInstance * aInstance,
const fd_set *aReadFdSet,
const fd_set *aWriteFdSet,
const fd_set *aErrorFdSet);
/**
* This function updates the file descriptor sets with file descriptors
* used by the virtual time simulation.
*
* @param[inout] aReadFdSet A pointer to the read file descriptors.
* @param[inout] aWriteFdSet A pointer to the write file descriptors.
* @param[inout] aErrorFdSet A pointer to the error file descriptors.
* @param[inout] aMaxFd A pointer to the max file descriptor.
* @param[inout] aTimeout A pointer to the timeout.
*
*/
void platformSimUpdateFdSet(fd_set * aReadFdSet,
fd_set * aWriteFdSet,
fd_set * aErrorFdSet,
int * aMaxFd,
struct timeval *aTimeout);
/**
* This function sends radio spinel event of virtual time simulation.
*
* @param[in] aData A pointer to the spinel frame.
* @param[in] aLength Length of the spinel frame.
*
*/
void platformSimSendRadioSpinelWriteEvent(const uint8_t *aData, uint16_t aLength);
/**
* This function receives an event of virtual time simulation.
*
* @param[out] aEvent A pointer to the event receiving the event.
*
*/
void platformSimReceiveEvent(struct Event *aEvent);
/**
* This function sends sleep event through virtual time simulation.
*
* @param[in] aTimeout A pointer to the time sleeping.
*
*/
void platformSimSendSleepEvent(const struct timeval *aTimeout);
/**
* This function performs radio spinel processing of virtual time simulation.
*
* @param[in] aInstance A pointer to the OpenThread instance.
* @param[in] aEvent A pointer to the current event.
*
*/
void platformSimRadioSpinelProcess(otInstance *aInstance, const struct Event *aEvent);
/**
* This function gets system time in microseconds without applying speed up factor.
*
* @returns System time in microseconds.
*
*/
uint64_t platformGetTime(void);
/**
* This function initializes platform UDP driver.
*
* @param[in] aIfName The name of Thread's platform network interface.
*
*/
void platformUdpInit(const char *aIfName);
/**
* This function performs platform UDP driver processing.
*
* @param[in] aInstance The OpenThread instance structure.
* @param[in] aReadFdSet A pointer to the read file descriptors.
*
*/
void platformUdpProcess(otInstance *aInstance, const fd_set *aReadSet);
/**
* This function updates the file descriptor sets with file descriptors used by the platform UDP driver.
*
* @param[in] aInstance The OpenThread instance structure.
* @param[inout] aReadFdSet A pointer to the read file descriptors.
* @param[inout] aMaxFd A pointer to the max file descriptor.
*/
void platformUdpUpdateFdSet(otInstance *aInstance, fd_set *aReadFdSet, int *aMaxFd);
/**
* This function creates a socket with SOCK_CLOEXEC flag set.
*
* @param[in] aDomain The communication domain.
* @param[in] aType The semantics of communication.
* @param[in] aProtocol The protocol to use.
*
* @returns The file descriptor of the created socket.
*
* @retval -1 Failed to create socket.
*
*/
int SocketWithCloseExec(int aDomain, int aType, int aProtocol);
#ifdef __cplusplus
}
#endif
#endif // PLATFORM_POSIX_H_