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/* Copyright (C) 2007-2008 The Android Open Source Project
**
** This software is licensed under the terms of the GNU General Public
** License version 2, as published by the Free Software Foundation, and
** may be copied, distributed, and modified under those terms.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
*/
#ifndef __sysdeps_h__
#define __sysdeps_h__
/* system-dependent platform abstraction used by the emulated GSM modem
*/
/* to be called before anything else */
extern void sys_main_init( void );
/** callbacks
**/
typedef void (*SysCallback)( void* opaque );
/** events
**/
enum {
SYS_EVENT_READ = 0x01,
SYS_EVENT_WRITE = 0x02,
SYS_EVENT_ERROR = 0x04,
SYS_EVENT_ALL = 0x07
};
/** channels
**/
typedef struct SysChannelRec_* SysChannel;
typedef void (*SysChannelCallback)( void* opaque, int event_flags );
/* XXX: TODO: channel creation functions */
extern SysChannel sys_channel_create_tcp_server( int port );
extern SysChannel sys_channel_create_tcp_handler( SysChannel server_channel );
extern SysChannel sys_channel_create_tcp_client( const char* hostname, int port );
extern int sys_channel_set_non_block( SysChannel channel );
extern void sys_channel_on( SysChannel channel,
int event_flags,
SysChannelCallback event_callback,
void* event_opaqe );
extern int sys_channel_read( SysChannel channel, void* buffer, int size );
extern int sys_channel_write( SysChannel channel, const void* buffer, int size );
extern void sys_channel_close( SysChannel channel );
/** time measurement
**/
typedef long long SysTime;
extern SysTime sys_time_now( void );
/** timers
**/
typedef struct SysTimerRec_* SysTimer;
extern SysTimer sys_timer_create( void );
extern void sys_timer_set( SysTimer timer, SysTime when, SysCallback callback, void* opaque );
extern void sys_timer_unset( SysTimer timer );
extern void sys_timer_destroy( SysTimer timer );
extern long long sys_time_ms( void );
/** main loop (may return immediately on some platform)
**/
extern int sys_main_loop( void );
#endif /* __sysdeps_h__ */
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