Protocol Buffers(nanopb)笔记之.proto文件repeated字段

nanopb-0.3.6-linux-x86.tar.gz            这个文件里有很多protocol buffers的例子以及将.proto文件生成.pb.c .pb.h文件
////////////////////////////////////////////////////////////////////
//control_api.proto协议文档
//设置定时喂食任务(APP, 硬件协议)
message SetFeedTimerTaskListReq {
    repeated FeedTimerTask rpt_feed_timer_task_list = 1;  //定时喂食任务列表
}

message SetFeedTimerTaskListRsp {
}

//喂食任务
message FeedTimerTask {
    required int32 ui_time = 1;  //投放时间
    required int32 ui_feed_weight = 2;  //投放量，单位克
    required int32 ui_feed_duration = 3;  //投放时长，单位分钟
    required int32 ui_feed_state = 4;  //喂食任务执行状态，参考FeedState
}
//////////////////////////////////////////////////////////////////
//control_api.pb.h


typedef struct _hxy_control_SetFeedTimerTaskListReq {
    pb_callback_t rpt_feed_timer_task_list;
/* @@protoc_insertion_point(struct:hxy_control_SetFeedTimerTaskListReq) */
} hxy_control_SetFeedTimerTaskListReq;


typedef struct _hxy_control_FeedTimerTask {
    int32_t ui_time;
    int32_t ui_feed_weight;
    int32_t ui_feed_duration;
    int32_t ui_feed_state;
/* @@protoc_insertion_point(struct:hxy_control_FeedTimerTask) */
} hxy_control_FeedTimerTask;
////////////////////////////////////////////////////////////////////////
//control_api.pb.c
const pb_field_t hxy_control_SetFeedTimerTaskListReq_fields[2] = {
    PB_FIELD(  1, MESSAGE , REPEATED, CALLBACK, FIRST, hxy_control_SetFeedTimerTaskListReq, rpt_feed_timer_task_list, rpt_feed_timer_task_list, &hxy_control_FeedTimerTask_fields),
    PB_LAST_FIELD
};

const pb_field_t hxy_control_FeedTimerTask_fields[5] = {
    PB_FIELD(  1, INT32   , REQUIRED, STATIC  , FIRST, hxy_control_FeedTimerTask, ui_time, ui_time, 0),
    PB_FIELD(  2, INT32   , REQUIRED, STATIC  , OTHER, hxy_control_FeedTimerTask, ui_feed_weight, ui_time, 0),
    PB_FIELD(  3, INT32   , REQUIRED, STATIC  , OTHER, hxy_control_FeedTimerTask, ui_feed_duration, ui_feed_weight, 0),
    PB_FIELD(  4, INT32   , REQUIRED, STATIC  , OTHER, hxy_control_FeedTimerTask, ui_feed_state, ui_feed_duration, 0),
    PB_LAST_FIELD
};
///////////////////////////////////////////////////////////////////////////
解码代码如下：

            pb_istream_t stream = pb_istream_from_buffer(buffer, body_length);

            hxy_control_SetFeedTimerTaskListReq  setfeedtimertaskListreq ={NULL};;
            setfeedtimertaskListreq.rpt_feed_timer_task_list.funcs.decode = &decode_setfeedtimertaskListreq;
            setfeedtimertaskListreq.rpt_feed_timer_task_list.arg= "wangwenwen\n\0";
            if (!pb_decode(&stream, hxy_control_SetFeedTimerTaskListReq_fields, &setfeedtimertaskListreq)){
                    db("pb_decode ,hxy_control_SetFeedTimerTaskListReq ERROR\0");
                    return 1;
            }
////////
bool decode_setfeedtimertaskListreq(pb_istream_t *stream, const pb_field_t *field, void **arg)
{
    db("decode_setfeedtimertaskListreq ::%s \n",*arg);

    hxy_control_FeedTimerTask feedtimetask  = {};
        if (!pb_decode(stream, hxy_control_FeedTimerTask_fields, &feedtimetask))
        return false;


    db("ui_time == %d\n",feedtimetask.ui_time);
    db("ui_feed_weight == %d\n",feedtimetask.ui_feed_weight);
        db("ui_feed_duration == %d\n",feedtimetask.ui_feed_duration);
    db("ui_feed_state == %d\n",feedtimetask.ui_feed_state);

   
    return true;

}
/////////////////////////////////////////////////////////////////////////////////////////