sntp.h

来自「AMLOGIC DPF source code」· C头文件 代码 · 共 72 行

/*******************************************************************
 * 
 *  Copyright C 2005 by Amlogic, Inc. All Rights Reserved.
 *
 *  Description: 
 *
 *  Author: Eric Knudstrup
 *  Created: Wed Nov  1 23:18:38 2006
 *
 *******************************************************************/

#ifndef SNTP_H
#define SNTP_H

#define SNTP_DEFAULT_REQ_INTERVAL (60 * 60)

typedef enum {
    SNTP_RESULT_OK,
    SNTP_RESULT_ALLOC_ERROR,
    SNTP_RESULT_DNS_FAILED,
    SNTP_RESULT_DNS_TIMEOUT,
    SNTP_RESULT_SEND_FAILED,
    SNTP_RESULT_TIMEOUT,
    SNTP_RESULT_UNSYNCH,       /** Server is unsynchronized */
    SNTP_RESULT_DENIED,        /** Server doesn't want us */
} sntp_result_t;

typedef void (*sntp_cb_t)(sntp_result_t result, unsigned secs, unsigned usecs);

/*;emacs generated header for file c:\sources\avos2\trunk\net\sntp\sntp.c. Do not edit between here and end */
/**
 * Set the SNTP server name/address and begin polling.
 * If the host is not a dotted decimal address the SNTP module will
 * attempt to resolve the name before sending requests.
 * Giving a NULL host will stop polling.
 */
extern int
sntp_start(char *host, int delay);

/**
 * Stop SNTP client.
 */
extern void
sntp_stop(void);

/**
 * Configure SNTP timer intervals and the request
 * callback. The request interval must be greater than
 * or equal to the timeout.
 */
extern int
sntp_configure_timers(unsigned request_interval, 
                      unsigned request_timeout);

/**
 * Initialize SNTP parameters. Polling will not begin until
 * sntp_start() is called.
 */
extern int
sntp_init(sntp_cb_t result_callback);


/**
 * Get next SNTP server from built-in server list.
 */
extern char *
sntp_getnext_server(void);

/*;end emacs generated header for file c:\sources\avos2\trunk\net\sntp\sntp.c. Do not edit between here and end */

#endif