acl/app/master/daemon/manage/action/service_reload.cpp
2017-09-10 17:54:07 +08:00

162 lines
3.4 KiB
C++

/**
* Copyright (C) 2015-2018
* All rights reserved.
*
* AUTHOR(S)
* Zheng Shuxin
* E-mail: zhengshuxin@qiyi.com
*
* VERSION
* Tue 27 Jun 2017 10:43:03 AM CST
*/
#include "stdafx.h"
#include <signal.h>
#include "master/master_params.h"
#include "master/master_api.h"
#include "manage/http_client.h"
#include "service_reload.h"
#define STATUS_TIMEOUT 503
service_reload::service_reload(http_client& client, reload_res_t& res)
: client_(client)
, res_(res)
, proc_count_(0)
, proc_signaled_(0)
, servers_finished_(0)
{
timeout_ = (long long) acl_var_master_reload_timeo * 1000;
}
bool service_reload::reload_one(const char* path, reload_res_data_t& data)
{
data.status = STATUS_TIMEOUT;
data.path = path;
data.proc_count = 0;
data.proc_signaled = 0;
data.proc_ok = 0;
data.proc_err = 0;
int ret = acl_master_reload(path, &data.proc_count,
&data.proc_signaled, service_reload_callback, this);
if (ret < 0)
{
data.status = 404;
return false;
}
return true;
}
bool service_reload::run(const reload_req_t& req)
{
size_t n = 0;
if (req.timeout > 0)
timeout_ = req.timeout * 1000;
logger(">>>>timeout_: %lld, %lld<<<", timeout_, req.timeout);
acl_event_request_timer(acl_var_master_global_event,
service_reload_timer, this, timeout_, 0);
for (std::vector<reload_req_data_t>::const_iterator
cit = req.data.begin(); cit != req.data.end(); ++cit)
{
reload_res_data_t data;
if (reload_one((*cit).path.c_str(), data))
{
proc_count_ += data.proc_count;
proc_signaled_ += data.proc_signaled;
servers_[data.path] = data;
n++;
}
else
res_.data.push_back(data);
}
return true;
}
void service_reload::service_reload_timer(int, ACL_EVENT*, void* ctx)
{
service_reload* reload = (service_reload *) ctx;
reload->on_timeout();
}
void service_reload::service_reload_callback(ACL_MASTER_PROC* proc, int sig,
int status, void* ctx)
{
service_reload* reload = (service_reload *) ctx;
if (sig != SIGHUP)
{
logger_error("not SIGHUP, invalid signum=%d", sig);
return;
}
std::map<acl::string, reload_res_data_t>::iterator it =
reload->servers_.find(proc->serv->conf);
if (it == reload->servers_.end())
{
logger_error("not found, path=%s", proc->serv->conf);
return;
}
if (status == ACL_MASTER_STAT_SIGHUP_OK)
it->second.proc_ok++;
else
{
reload->res_.status = 500;
reload->res_.msg = "some services reload failed";
it->second.proc_err++;
}
if (it->second.proc_ok + it->second.proc_err == it->second.proc_count)
{
if (it->second.proc_err > 0)
it->second.status = 500;
else
it->second.status = 200;
reload->res_.data.push_back(it->second);
reload->servers_finished_++;
reload->check_all();
}
}
void service_reload::check_all(void)
{
if (servers_finished_ == servers_.size())
{
clean_all();
client_.on_reload_finish();
}
}
void service_reload::clean_all(void)
{
acl_event_cancel_timer(acl_var_master_global_event,
service_reload_timer, this);
for (std::map<acl::string, reload_res_data_t>::iterator
it = servers_.begin(); it != servers_.end(); ++it)
{
acl_master_reload_clean(it->first.c_str());
}
}
void service_reload::on_timeout(void)
{
clean_all();
logger("reload timeout reached, timeout=%lld ms", timeout_ / 1000);
for (std::map<acl::string, reload_res_data_t>::iterator
it = servers_.begin(); it != servers_.end(); ++it)
{
if (it->second.status == STATUS_TIMEOUT)
res_.data.push_back(it->second);
}
client_.on_reload_finish();
}