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executable file
·216 lines (168 loc) · 5.96 KB
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/*
* queue_processor.cpp
*
* Created on: 2015��10��27��
* Author: dell
*/
#include <string>
#include "queue_processor.h"
#include "worker_util.h"
QueueProcessor::QueueProcessor()
{
}
QueueProcessor::~QueueProcessor()
{
}
int QueueProcessor::fill_response(Document& request,int code,const char* reason)
{
request.AddMember(FIELD_CODE,code,request.GetAllocator() );
if(code !=0)
{
rapidjson::Value value(reason,strlen(reason)) ;
request.AddMember(FIELD_REASON,value,request.GetAllocator() ) ;
}
return 0 ;
}
int QueueProcessor::process(Document& request)
{
int action = json_get_value(request,FIELD_ACTION,0);
switch(action)
{
case ACTION_LIST:
case ACTION_LOCAL_LIST:
return process_list(request,json_get_value(request,"pattern","") ) ;
case ACTION_GET_LEADER:
return process_get_leader(request) ;
}
std::string queue_name = json_get_value(request,FIELD_QUEUE,"") ;
if(queue_name.size() <1 ) return -1 ;
if(action == ACTION_PRODUCE ) return process_virtual_produce(request,queue_name) ;
Queue* queue = get_worker().get_queue(queue_name) ;
if(queue == NULL) return fill_response(request,-1,"invalid queue") ;
switch(action)
{
case ACTION_CONSUME:
return process_consume(request,*queue) ;
case ACTION_CONFIRM:
return process_confirm(request,*queue) ;
case ACTION_MONITOR:
case ACTION_LOCAL_MONITOR:
return process_monitor(request,*queue) ;
case ACTION_CONFIG:
return process_config(request,*queue) ;
case ACTION_CLEAR:
return process_clear(request,*queue) ;
default:
return fill_response(request,-1,"invalid action") ;
}
return 0 ;
}
int QueueProcessor::process_virtual_produce(Document& request,const std::string& queue_name)
{
const QueueNameContainer* queue_list = get_worker().real_queue_name(queue_name);
if (queue_list != NULL)
{
for(auto& name : *queue_list)
{
Queue* queue = get_worker().get_queue(name) ;
if(queue) process_produce(request,*queue) ;
}
}
else
{
Queue* queue = get_worker().get_queue(queue_name) ;
if(queue) process_produce(request,*queue) ;
}
request.RemoveMember(FIELD_DATA) ;
request.RemoveMember(FIELD_DELAY) ;
request.RemoveMember(FIELD_TTL) ;
request.RemoveMember(FIELD_RETRY) ;
return 0 ;
}
static const JsonFieldInfo PRODUCE_FILED_LIST{
{FIELD_DATA,rapidjson::kStringType},
//{FIELD_DELAY,rapidjson::kNumberType },
} ;
int QueueProcessor::process_produce(Document& request,Queue& queue)
{
if(!json_check_field(request,PRODUCE_FILED_LIST)) return fill_response(request,-1,"field error") ; ;
int now = time(0) ;
int delay = json_get_value(request,FIELD_DELAY,now) ;
if(delay < now ) delay = now -1 ;
int ttl = json_get_value(request,FIELD_TTL,delay+3600) ;
if( delay > ttl ) return fill_response(request,-1,"time error") ; ;
int retry = json_get_value(request,FIELD_RETRY,0) ;
if(retry < 0 ) return -1 ;
int msg_id = queue.produce(request[FIELD_DATA].GetString(),delay,ttl,retry) ;
if(msg_id >0)
{
request.AddMember(FIELD_MSG_ID,msg_id,request.GetAllocator()) ;
fill_response(request) ;
}
else
{
fill_response(request,-1,"system error") ;
}
return 0 ;
}
int QueueProcessor::process_consume(Document& request,Queue& queue)
{
std::string data ;
int msg_id = queue.consume(data) ;
if(msg_id >0)
{
request.AddMember(FIELD_MSG_ID,msg_id,request.GetAllocator()) ;
request.AddMember(FIELD_DATA,data,request.GetAllocator()) ;
}
return fill_response(request) ;
}
int QueueProcessor::process_confirm(Document& request,Queue& queue)
{
int msg_id = json_get_value(request,FIELD_MSG_ID,0) ;
if(msg_id >0) queue.erase(msg_id) ;
return fill_response(request) ;
}
void QueueProcessor::fill_server_info(Document& server_info)
{
VoteData leader_info , self_info ;
get_leader_vote_data(leader_info);
server_info.AddMember("leader_node_id",leader_info.node_id(),server_info.GetAllocator()) ;
get_self_vote_data(self_info) ;
server_info.AddMember("node_id", self_info.node_id(),server_info.GetAllocator()) ;
server_info.AddMember("trans_id",self_info.trans_id(),server_info.GetAllocator()) ;
}
int QueueProcessor::process_monitor(Document& request,Queue& queue)
{
request.AddMember("size",queue.size(),request.GetAllocator()) ;
request.AddMember("max_id",queue.max_id(),request.GetAllocator()) ;
request.AddMember("wait_status",queue.wait_status(),request.GetAllocator()) ;
fill_server_info(request) ;
return fill_response(request) ;
}
int QueueProcessor::process_list(Document& request,const char* pattern)
{
rapidjson::Document queue_list ;
get_worker().list_queue(queue_list,pattern) ;
request.AddMember("queue_count",queue_list.Size(),request.GetAllocator()) ;
request.AddMember("queue_list",queue_list,request.GetAllocator()) ;
fill_server_info(request) ;
return fill_response(request) ;
}
int QueueProcessor::process_get_leader(Document& request)
{
VoteData leader_info ;
get_leader_vote_data(leader_info);
request.AddMember("leader_node_id",leader_info.node_id(),request.GetAllocator()) ;
request.AddMember("leader_host",leader_info.host(),request.GetAllocator()) ;
request.AddMember("leader_port",leader_info.port(),request.GetAllocator()) ;
return fill_response(request) ;
}
int QueueProcessor::process_config(Document& request,Queue& queue)
{
return fill_response(request,-1,"not support") ;
}
int QueueProcessor::process_clear(Document& request,Queue& queue)
{
//queue.clear() ;
return fill_response(request,-1,"not support") ;
}