138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
#ifndef platform_h__included
|
|
#define platform_h__included
|
|
|
|
#include "mqtt_internal.h"
|
|
|
|
/* Sadly we have to have a Windows-ism here */
|
|
#if MSVC
|
|
typedef unsigned long (__stdcall *PlatformTask)(void *context);
|
|
|
|
// Use this to define the PlatformTask callback functions to be cross platform
|
|
#define PlatformTaskFunc(_name) unsigned long __stdcall _name(void *context)
|
|
#else
|
|
typedef void *(*PlatformTask)(void *context);
|
|
|
|
// Use this to define the PlatformTask callback functions to be cross platform
|
|
#define PlatformTaskFunc(_name) void *_name(void *context)
|
|
#endif
|
|
|
|
typedef void (*PlatformTimerCallback)(MQTTHandle *handle, int timer_handle);
|
|
|
|
/** maximum receiver buffer size, defined by platform */
|
|
extern const size_t max_receive_buffer_size;
|
|
|
|
typedef enum {
|
|
PlatformStatusOk, /**< Everything ok */
|
|
PlatformStatusError, /**< Non-recoverable error */
|
|
PlatformStatusRetry /**< Recoverable error */
|
|
} PlatformStatusCode;
|
|
|
|
|
|
/**
|
|
* Initialize platform specific data
|
|
*
|
|
* @param handle: The handle to initialize
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_init(MQTTHandle *handle);
|
|
|
|
/**
|
|
* Platform specific function to release resources associated with a MQTTHandle
|
|
*
|
|
* @param handle: The handle to clean up
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_release(MQTTHandle *handle);
|
|
|
|
/**
|
|
* Platform specific function to start a reading thread
|
|
*
|
|
* @param handle: The broker connection handle
|
|
* @param task_handle: Task handle output
|
|
* @param callback: callback to run in the thread
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_run_task(MQTTHandle *handle, int *task_handle, PlatformTask callback);
|
|
|
|
/**
|
|
* Platform specific function to clean up the reading thread
|
|
*
|
|
* @param handle: State handle
|
|
* @param task_handle: Task handle to clean up
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_cleanup_task(MQTTHandle *handle, int task_handle);
|
|
|
|
/**
|
|
* Resolve host
|
|
*
|
|
* @param hostname: Hostname to resolve
|
|
* @param ip_out: resulting IP address if no error occured
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_resolve_host(char *hostname, char *ip_out);
|
|
|
|
/**
|
|
* Connect to host from configuration
|
|
*
|
|
* @param handle: The configuration
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_connect(MQTTHandle *handle);
|
|
|
|
/**
|
|
* Read from the "socket" in the handle
|
|
*
|
|
* @param handle: State handle
|
|
* @param buffer: Read target
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_read(MQTTHandle *handle, Buffer *buffer);
|
|
|
|
/**
|
|
* Write to the "socket" in the handle
|
|
*
|
|
* @param handle: State handle
|
|
* @param buffer: Write source
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_write(MQTTHandle *handle, Buffer *buffer);
|
|
|
|
/**
|
|
* Disconnect the "socket" in the handle
|
|
*
|
|
* @param handle: State handle
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_disconnect(MQTTHandle *handle);
|
|
|
|
|
|
/**
|
|
* Set a recurring timer
|
|
*
|
|
* @param handle: State handle
|
|
* @param interval: Number of seconds to call the callback in
|
|
* @param timer_handle: Timer handle out
|
|
* @param callback: Callback to call
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_create_timer(MQTTHandle *handle, int interval, int *timer_handle, PlatformTimerCallback callback);
|
|
|
|
/**
|
|
* Destroy a recurring timer
|
|
* @param handle
|
|
* @param timer_handle
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_destroy_timer(MQTTHandle *handle, int timer_handle);
|
|
|
|
|
|
/**
|
|
* Sleep for some milliseconds, may yield the task, so the sleep time could be longer
|
|
*
|
|
* @param milliseconds: minimum number of milliseconds to sleep
|
|
* @return Platform status code
|
|
*/
|
|
PlatformStatusCode platform_sleep(int milliseconds);
|
|
|
|
#endif /* platform_h__included */
|