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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2012 New Dream Network/Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*/
#ifndef OPREQUEST_H_
#define OPREQUEST_H_
#include "osd/osd_op_util.h"
#include "osd/osd_types.h"
#include "common/TrackedOp.h"
#ifdef HAVE_JAEGER
#include "common/tracer.h"
#endif
/**
* The OpRequest takes in a Message* and takes over a single reference
* to it, which it puts() when destroyed.
*/
struct OpRequest : public TrackedOp {
friend class OpTracker;
private:
OpInfo op_info;
public:
int maybe_init_op_info(const OSDMap &osdmap);
auto get_flags() const { return op_info.get_flags(); }
bool op_info_needs_init() const { return op_info.get_flags() == 0; }
bool check_rmw(int flag) const { return op_info.check_rmw(flag); }
bool may_read() const { return op_info.may_read(); }
bool may_write() const { return op_info.may_write(); }
bool may_cache() const { return op_info.may_cache(); }
bool rwordered_forced() const { return op_info.rwordered_forced(); }
bool rwordered() const { return op_info.rwordered(); }
bool includes_pg_op() const { return op_info.includes_pg_op(); }
bool need_read_cap() const { return op_info.need_read_cap(); }
bool need_write_cap() const { return op_info.need_write_cap(); }
bool need_promote() const { return op_info.need_promote(); }
bool need_skip_handle_cache() const { return op_info.need_skip_handle_cache(); }
bool need_skip_promote() const { return op_info.need_skip_promote(); }
bool allows_returnvec() const { return op_info.allows_returnvec(); }
std::vector<OpInfo::ClassInfo> classes() const {
return op_info.get_classes();
}
void _dump(ceph::Formatter *f) const override;
bool has_feature(uint64_t f) const {
return request->get_connection()->has_feature(f);
}
private:
Message *request; /// the logical request we are tracking
osd_reqid_t reqid;
entity_inst_t req_src_inst;
uint8_t hit_flag_points;
uint8_t latest_flag_point;
utime_t dequeued_time;
static const uint8_t flag_queued_for_pg=1 << 0;
static const uint8_t flag_reached_pg = 1 << 1;
static const uint8_t flag_delayed = 1 << 2;
static const uint8_t flag_started = 1 << 3;
static const uint8_t flag_sub_op_sent = 1 << 4;
static const uint8_t flag_commit_sent = 1 << 5;
OpRequest(Message *req, OpTracker *tracker);
protected:
void _dump_op_descriptor_unlocked(std::ostream& stream) const override;
void _unregistered() override;
bool filter_out(const std::set<std::string>& filters) override;
public:
~OpRequest() override {
request->put();
}
bool check_send_map = true; ///< true until we check if sender needs a map
epoch_t sent_epoch = 0; ///< client's map epoch
epoch_t min_epoch = 0; ///< min epoch needed to handle this msg
bool hitset_inserted;
#ifdef HAVE_JAEGER
jspan osd_parent_span = nullptr;
void set_osd_parent_span(jspan& span) {
if(osd_parent_span){
jaeger_tracing::finish_span(osd_parent_span);
}
osd_parent_span = move(span);
}
#else
void set_osd_parent_span(...) {}
#endif
template<class T>
const T* get_req() const { return static_cast<const T*>(request); }
const Message *get_req() const { return request; }
Message *get_nonconst_req() { return request; }
entity_name_t get_source() {
if (request) {
return request->get_source();
} else {
return entity_name_t();
}
}
uint8_t state_flag() const {
return latest_flag_point;
}
std::string_view state_string() const override {
switch(latest_flag_point) {
case flag_queued_for_pg: return "queued for pg";
case flag_reached_pg: return "reached pg";
case flag_delayed: return "delayed";
case flag_started: return "started";
case flag_sub_op_sent: return "waiting for sub ops";
case flag_commit_sent: return "commit sent; apply or cleanup";
default: break;
}
return "no flag points reached";
}
static std::string get_state_string(uint8_t flag) {
std::string flag_point;
switch(flag) {
case flag_queued_for_pg:
flag_point = "queued for pg";
break;
case flag_reached_pg:
flag_point = "reached pg";
break;
case flag_delayed:
flag_point = "delayed";
break;
case flag_started:
flag_point = "started";
break;
case flag_sub_op_sent:
flag_point = "waiting for sub ops";
break;
case flag_commit_sent:
flag_point = "commit sent; apply or cleanup";
break;
}
return flag_point;
}
void mark_queued_for_pg() {
mark_flag_point(flag_queued_for_pg, "queued_for_pg");
}
void mark_reached_pg() {
mark_flag_point(flag_reached_pg, "reached_pg");
}
void mark_delayed(const std::string& s) {
mark_flag_point_string(flag_delayed, s);
}
void mark_started() {
mark_flag_point(flag_started, "started");
}
void mark_sub_op_sent(const std::string& s) {
mark_flag_point_string(flag_sub_op_sent, s);
}
void mark_commit_sent() {
mark_flag_point(flag_commit_sent, "commit_sent");
}
utime_t get_dequeued_time() const {
return dequeued_time;
}
void set_dequeued_time(utime_t deq_time) {
dequeued_time = deq_time;
}
osd_reqid_t get_reqid() const {
return reqid;
}
typedef boost::intrusive_ptr<OpRequest> Ref;
private:
void mark_flag_point(uint8_t flag, const char *s);
void mark_flag_point_string(uint8_t flag, const std::string& s);
};
typedef OpRequest::Ref OpRequestRef;
#endif /* OPREQUEST_H_ */
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