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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef COMMON_ZIPKIN_TRACE_H
#define COMMON_ZIPKIN_TRACE_H
#include "acconfig.h"
#include "include/encoding.h"
#ifdef WITH_BLKIN
#include <ztracer.hpp>
#else // !WITH_BLKIN
// add stubs for noop Trace and Endpoint
// match the "real" struct
struct blkin_trace_info {
int64_t trace_id;
int64_t span_id;
int64_t parent_span_id;
};
namespace ZTracer
{
static inline int ztrace_init() { return 0; }
class Endpoint {
public:
Endpoint(const char *name) {}
Endpoint(const char *ip, int port, const char *name) {}
void copy_ip(const std::string &newip) {}
void copy_name(const std::string &newname) {}
void copy_address_from(const Endpoint *endpoint) {}
void share_address_from(const Endpoint *endpoint) {}
void set_port(int p) {}
};
class Trace {
public:
Trace() {}
Trace(const char *name, const Endpoint *ep, const Trace *parent = NULL) {}
Trace(const char *name, const Endpoint *ep,
const blkin_trace_info *i, bool child=false) {}
bool valid() const { return false; }
operator bool() const { return false; }
int init(const char *name, const Endpoint *ep, const Trace *parent = NULL) {
return 0;
}
int init(const char *name, const Endpoint *ep,
const blkin_trace_info *i, bool child=false) {
return 0;
}
void copy_name(const std::string &newname) {}
const blkin_trace_info* get_info() const { return NULL; }
void set_info(const blkin_trace_info *i) {}
void keyval(const char *key, const char *val) const {}
void keyval(const char *key, int64_t val) const {}
void keyval(const char *key, const char *val, const Endpoint *ep) const {}
void keyval(const char *key, int64_t val, const Endpoint *ep) const {}
void event(const char *event) const {}
void event(const char *event, const Endpoint *ep) const {}
};
} // namespace ZTrace
#endif // !WITH_BLKIN
static inline void encode(const blkin_trace_info& b, ceph::buffer::list& bl)
{
using ceph::encode;
encode(b.trace_id, bl);
encode(b.span_id, bl);
encode(b.parent_span_id, bl);
}
static inline void decode(blkin_trace_info& b, ceph::buffer::list::const_iterator& p)
{
using ceph::decode;
decode(b.trace_id, p);
decode(b.span_id, p);
decode(b.parent_span_id, p);
}
#endif // COMMON_ZIPKIN_TRACE_H
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