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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 <atomic>
#include "common/ceph_mutex.h"
#include "common/shunique_lock.h"
#include "common/admin_socket.h"
#include <set>
#include <ostream>
#include <string>
#include <shared_mutex>
#include <boost/circular_buffer.hpp>
#define SSTR(o) ({ \
std::stringstream ss; \
ss << o; \
ss.str(); \
})
#define RGW_SNS_FLAG_ACTIVE 1
#define RGW_SNS_FLAG_ERROR 2
class RGWRados;
class RGWSyncTraceManager;
class RGWSyncTraceNode;
class RGWSyncTraceServiceMapThread;
using RGWSyncTraceNodeRef = std::shared_ptr<RGWSyncTraceNode>;
class RGWSyncTraceNode final {
friend class RGWSyncTraceManager;
CephContext *cct;
RGWSyncTraceNodeRef parent;
uint16_t state{0};
std::string status;
ceph::mutex lock = ceph::make_mutex("RGWSyncTraceNode::lock");
std::string type;
std::string id;
std::string prefix;
std::string resource_name;
uint64_t handle;
boost::circular_buffer<std::string> history;
// private constructor, create with RGWSyncTraceManager::add_node()
RGWSyncTraceNode(CephContext *_cct, uint64_t _handle,
const RGWSyncTraceNodeRef& _parent,
const std::string& _type, const std::string& _id);
public:
void set_resource_name(const std::string& s) {
resource_name = s;
}
const std::string& get_resource_name() {
return resource_name;
}
void set_flag(uint16_t s) {
state |= s;
}
void unset_flag(uint16_t s) {
state &= ~s;
}
bool test_flags(uint16_t f) {
return (state & f) == f;
}
void log(int level, const std::string& s);
std::string to_str() {
return prefix + " " + status;
}
const std::string& get_prefix() {
return prefix;
}
std::ostream& operator<<(std::ostream& os) {
os << to_str();
return os;
}
boost::circular_buffer<std::string>& get_history() {
return history;
}
bool match(const std::string& search_term, bool search_history);
};
class RGWSyncTraceManager : public AdminSocketHook {
friend class RGWSyncTraceNode;
mutable std::shared_timed_mutex lock;
using shunique_lock = ceph::shunique_lock<decltype(lock)>;
CephContext *cct;
RGWSyncTraceServiceMapThread *service_map_thread{nullptr};
std::map<uint64_t, RGWSyncTraceNodeRef> nodes;
boost::circular_buffer<RGWSyncTraceNodeRef> complete_nodes;
std::atomic<uint64_t> count = { 0 };
std::list<std::array<std::string, 3> > admin_commands;
uint64_t alloc_handle() {
return ++count;
}
void finish_node(RGWSyncTraceNode *node);
public:
RGWSyncTraceManager(CephContext *_cct, int max_lru) : cct(_cct), complete_nodes(max_lru) {}
~RGWSyncTraceManager();
void init(RGWRados *store);
const RGWSyncTraceNodeRef root_node;
RGWSyncTraceNodeRef add_node(const RGWSyncTraceNodeRef& parent,
const std::string& type,
const std::string& id = "");
int hook_to_admin_command();
int call(std::string_view command, const cmdmap_t& cmdmap,
const bufferlist&,
Formatter *f,
std::ostream& ss,
bufferlist& out) override;
std::string get_active_names();
};
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