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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab ft=cpp
#pragma once
#include <map>
#include <string>
#include <vector>
#include "common/RWLock.h"
#include "rgw_request.h"
#include "rgw_process.h"
#include "rgw_process_env.h"
#include "rgw_realm_reloader.h"
#include "rgw_auth_registry.h"
#include "rgw_sal_rados.h"
#define dout_context g_ceph_context
namespace rgw::dmclock {
class SyncScheduler;
class ClientConfig;
class SchedulerCtx;
}
class RGWFrontendConfig {
std::string config;
std::multimap<std::string, std::string> config_map;
std::string framework;
int parse_config(const std::string& config,
std::multimap<std::string, std::string>& config_map);
public:
explicit RGWFrontendConfig(const std::string& config)
: config(config) {
}
int init() {
const int ret = parse_config(config, config_map);
return ret < 0 ? ret : 0;
}
void set_default_config(RGWFrontendConfig& def_conf);
std::optional<std::string> get_val(const std::string& key);
bool get_val(const std::string& key,
const std::string& def_val,
std::string* out);
bool get_val(const std::string& key, int def_val, int *out);
std::string get_val(const std::string& key,
const std::string& def_val) {
std::string out;
get_val(key, def_val, &out);
return out;
}
const std::string& get_config() {
return config;
}
std::multimap<std::string, std::string>& get_config_map() {
return config_map;
}
std::string get_framework() const {
return framework;
}
};
class RGWFrontend {
public:
virtual ~RGWFrontend() {}
virtual int init() = 0;
virtual int run() = 0;
virtual void stop() = 0;
virtual void join() = 0;
virtual void pause_for_new_config() = 0;
virtual void unpause_with_new_config() = 0;
};
class RGWProcessFrontend : public RGWFrontend {
protected:
RGWFrontendConfig* conf;
RGWProcess* pprocess;
RGWProcessEnv& env;
RGWProcessControlThread* thread;
public:
RGWProcessFrontend(RGWProcessEnv& pe, RGWFrontendConfig* _conf)
: conf(_conf), pprocess(nullptr), env(pe), thread(nullptr) {
}
~RGWProcessFrontend() override {
delete thread;
delete pprocess;
}
int run() override {
ceph_assert(pprocess); /* should have initialized by init() */
thread = new RGWProcessControlThread(pprocess);
thread->create("rgw_frontend");
return 0;
}
void stop() override;
void join() override {
thread->join();
}
void pause_for_new_config() override {
pprocess->pause();
}
void unpause_with_new_config() override {
pprocess->unpause_with_new_config();
}
}; /* RGWProcessFrontend */
class RGWLoadGenFrontend : public RGWProcessFrontend, public DoutPrefixProvider {
public:
RGWLoadGenFrontend(RGWProcessEnv& pe, RGWFrontendConfig *_conf)
: RGWProcessFrontend(pe, _conf) {}
CephContext *get_cct() const {
return env.driver->ctx();
}
unsigned get_subsys() const
{
return ceph_subsys_rgw;
}
std::ostream& gen_prefix(std::ostream& out) const
{
return out << "rgw loadgen frontend: ";
}
int init() override {
int num_threads;
conf->get_val("num_threads", g_conf()->rgw_thread_pool_size, &num_threads);
std::string uri_prefix;
conf->get_val("prefix", "", &uri_prefix);
RGWLoadGenProcess *pp = new RGWLoadGenProcess(
g_ceph_context, env, num_threads, std::move(uri_prefix), conf);
pprocess = pp;
std::string uid_str;
conf->get_val("uid", "", &uid_str);
if (uid_str.empty()) {
derr << "ERROR: uid param must be specified for loadgen frontend"
<< dendl;
return -EINVAL;
}
rgw_user uid(uid_str);
std::unique_ptr<rgw::sal::User> user = env.driver->get_user(uid);
int ret = user->load_user(this, null_yield);
if (ret < 0) {
derr << "ERROR: failed reading user info: uid=" << uid << " ret="
<< ret << dendl;
return ret;
}
auto aiter = user->get_info().access_keys.begin();
if (aiter == user->get_info().access_keys.end()) {
derr << "ERROR: user has no S3 access keys set" << dendl;
return -EINVAL;
}
pp->set_access_key(aiter->second);
return 0;
}
}; /* RGWLoadGenFrontend */
// FrontendPauser implementation for RGWRealmReloader
class RGWFrontendPauser : public RGWRealmReloader::Pauser {
std::vector<RGWFrontend*> &frontends;
RGWRealmReloader::Pauser* pauser;
public:
RGWFrontendPauser(std::vector<RGWFrontend*> &frontends,
RGWRealmReloader::Pauser* pauser = nullptr)
: frontends(frontends), pauser(pauser) {}
void pause() override {
for (auto frontend : frontends)
frontend->pause_for_new_config();
if (pauser)
pauser->pause();
}
void resume(rgw::sal::Driver* driver) override {
for (auto frontend : frontends)
frontend->unpause_with_new_config();
if (pauser)
pauser->resume(driver);
}
};
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