79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
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/*
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* service_instance.cc
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*
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* Created on : 2017.3.6
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* Author : qiulu
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*/
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#include "service_instance.h"
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#include "sstream"
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#include "dirent.h"
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#include "json/value.h"
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#include "json/writer.h"
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#include <sys/mman.h>
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using namespace std;
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const char *active_root = "/export/servers/active_service/";
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bool ServiceInstance::Init()
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{
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ostringstream integer_oss;
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integer_oss << m_Port;
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m_Dir = active_root + integer_oss.str() + "/stats";
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DIR* dir;
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dir = opendir(m_Dir.c_str());
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if (dir == NULL) {
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log_error("can not open directory [%s]", m_Dir.c_str());
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return false;
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}
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closedir(dir);
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return true;
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}
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void ServiceInstance::StatsMap(Json::Value &packet)
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{
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string file = m_Dir + m_FileName;
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string body_str = "";
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int fd = open(file.c_str(), O_RDONLY, 0);
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void *statmap = NULL;
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struct stat st;
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if (fd > 0){
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fstat(fd, &st);
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statmap = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
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}
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CpaStat *stat;
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if (NULL != statmap) {
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stat = (CpaStat *)statmap;
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EncodePacket(stat, packet);
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munmap(statmap, st.st_size);
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}
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if(fd > 0)
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close(fd);
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}
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void ServiceInstance::EncodePacket(CpaStat *stat,Json::Value &packet)
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{
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//Json::Value packet;
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//Json::FastWriter wr;
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string body_str;
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packet["port"] = static_cast<Json::Value::Int64>(m_Port);
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packet["appname"] = m_AppName;
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packet["ip"] = m_Ip;
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packet["req_cnt"] = static_cast<Json::Value::Int64>(stat->req_cnt);
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packet["active_cnt"] = static_cast<Json::Value::Int64>(stat->active_cnt);
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packet["android_active_cnt"] = static_cast<Json::Value::Int64>(stat->android_active_cnt);
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packet["ios_active_cnt"] = static_cast<Json::Value::Int64>(stat->ios_active_cnt);
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double aver_req_time = (0 != stat->aver_req_time[1]) ?
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((double)stat->aver_req_time[0] / (double)stat->aver_req_time[1]) : 0;
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packet["aver_req_time"] = aver_req_time;
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packet["sys_err_cnt"] = static_cast<Json::Value::Int64>(stat->sys_err_cnt);
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packet["net_err_cnt"] = static_cast<Json::Value::Int64>(stat->net_err_cnt);
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packet["para_err_cnt"] = static_cast<Json::Value::Int64>(stat->para_err_cnt);
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packet["sign_err_cnt"] = static_cast<Json::Value::Int64>(stat->sign_err_cnt);
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packet["valid_active_cnt"] = static_cast<Json::Value::Int64>(stat->valid_active_cnt);
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//body_str = wr.write(packet);
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//return body_str;
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}
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