servicescheduler.nc

传感器网络中的嵌入式操作系统源代码

// $Id: ServiceScheduler.nc,v 1.4.4.3 2003/08/18 22:09:46 cssharp Exp $

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// Authors: Robert Szewczyk
// $Id: ServiceScheduler.nc,v 1.4.4.3 2003/08/18 22:09:46 cssharp Exp $


/** 
 * Interface to the scheduler module
 */

includes TosServiceSchedule;

interface ServiceScheduler {
    
    /** 
     * This command is used to (re)schedule a service.  ServiceScheduler
     * assumes the time syncronization and consequently uses an absolute timer
     * to express the schedule. 
     */
    
    command result_t reschedule(uint8_t svc_id,
				tos_service_schedule sched
				);

    /** 
     * This command allows an external component to get the schedule for an
     * individual component. 
     */

    command tos_service_schedule get(uint8_t svc_id);

    /** 
     * This command allows an external component to start all services.  This
     * is useful when it is desirable to disable the service coordinator and
     * leave it in a fully operational state.  
     *
     * @return SUCCESS if all coordinated services were started successfully,
     * FAIL if at least one of them failed. 
     */

    command result_t start_all();

    command result_t setNextEventTime(uint8_t svc_id, tos_time_t nextTime);


    command tos_time_t getNextEventTime(uint8_t svc_id);


    command result_t setExtraSleepTime(uint8_t svc_id, int32_t extraTime);


    command result_t remove(uint8_t svc_id);
}