aboutsummaryrefslogtreecommitdiffstats
path: root/library/cpp/actors/core/log.h
blob: a7d8ec058a1006de4a41e8d8d44de82ba3fa1c12 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
#pragma once

#include "defs.h"

#include "log_iface.h"
#include "log_settings.h"
#include "actorsystem.h"
#include "events.h"
#include "event_local.h"
#include "hfunc.h"
#include "mon.h"

#include <util/generic/vector.h>
#include <util/string/printf.h>
#include <util/string/builder.h>
#include <library/cpp/logger/all.h>
#include <library/cpp/monlib/dynamic_counters/counters.h>
#include <library/cpp/monlib/metrics/metric_registry.h>
#include <library/cpp/json/writer/json.h>
#include <library/cpp/svnversion/svnversion.h>

#include <library/cpp/actors/memory_log/memlog.h>

// TODO: limit number of messages per second
// TODO: make TLogComponentLevelRequest/Response network messages

#define IS_LOG_PRIORITY_ENABLED(actorCtxOrSystem, priority, component)                           \
    (static_cast<::NActors::NLog::TSettings*>((actorCtxOrSystem).LoggerSettings()) &&            \
     static_cast<::NActors::NLog::TSettings*>((actorCtxOrSystem).LoggerSettings())->Satisfies(   \
             static_cast<::NActors::NLog::EPriority>(priority),                                  \
             static_cast<::NActors::NLog::EComponent>(component),                                \
             0ull)                                                                               \
    )

#define LOG_LOG_SAMPLED_BY(actorCtxOrSystem, priority, component, sampleBy, ...)                                               \
    do {                                                                                                                       \
        ::NActors::NLog::TSettings* mSettings = static_cast<::NActors::NLog::TSettings*>((actorCtxOrSystem).LoggerSettings()); \
        ::NActors::NLog::EPriority mPriority = static_cast<::NActors::NLog::EPriority>(priority);                              \
        ::NActors::NLog::EComponent mComponent = static_cast<::NActors::NLog::EComponent>(component);                          \
        if (mSettings && mSettings->Satisfies(mPriority, mComponent, sampleBy)) {                                              \
            ::NActors::MemLogAdapter(                                                                                          \
                actorCtxOrSystem, priority, component, __VA_ARGS__);                                                           \
        }                                                                                                                      \
    } while (0) /**/

#define LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, priority, component, sampleBy, stream)  \
    LOG_LOG_SAMPLED_BY(actorCtxOrSystem, priority, component, sampleBy, "%s", [&]() { \
        TStringBuilder logStringBuilder;                                               \
        logStringBuilder << stream;                                                    \
        return static_cast<TString>(logStringBuilder);                                 \
    }().data())

#define LOG_LOG(actorCtxOrSystem, priority, component, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, priority, component, 0ull, __VA_ARGS__)
#define LOG_LOG_S(actorCtxOrSystem, priority, component, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, priority, component, 0ull, stream)

// use these macros for logging via actor system or actor context
#define LOG_EMERG(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_EMERG, component, __VA_ARGS__)
#define LOG_ALERT(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_ALERT, component, __VA_ARGS__)
#define LOG_CRIT(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_CRIT, component, __VA_ARGS__)
#define LOG_ERROR(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_ERROR, component, __VA_ARGS__)
#define LOG_WARN(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_WARN, component, __VA_ARGS__)
#define LOG_NOTICE(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_NOTICE, component, __VA_ARGS__)
#define LOG_INFO(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_INFO, component, __VA_ARGS__)
#define LOG_DEBUG(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_DEBUG, component, __VA_ARGS__)
#define LOG_TRACE(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_TRACE, component, __VA_ARGS__)

#define LOG_EMERG_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_EMERG, component, stream)
#define LOG_ALERT_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_ALERT, component, stream)
#define LOG_CRIT_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_CRIT, component, stream)
#define LOG_ERROR_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_ERROR, component, stream)
#define LOG_WARN_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_WARN, component, stream)
#define LOG_NOTICE_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_NOTICE, component, stream)
#define LOG_INFO_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_INFO, component, stream)
#define LOG_DEBUG_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_DEBUG, component, stream)
#define LOG_TRACE_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_TRACE, component, stream)

#define LOG_EMERG_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_EMERG, component, sampleBy, __VA_ARGS__)
#define LOG_ALERT_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_ALERT, component, sampleBy, __VA_ARGS__)
#define LOG_CRIT_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_CRIT, component, sampleBy, __VA_ARGS__)
#define LOG_ERROR_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_ERROR, component, sampleBy, __VA_ARGS__)
#define LOG_WARN_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_WARN, component, sampleBy, __VA_ARGS__)
#define LOG_NOTICE_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_NOTICE, component, sampleBy, __VA_ARGS__)
#define LOG_INFO_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_INFO, component, sampleBy, __VA_ARGS__)
#define LOG_DEBUG_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_DEBUG, component, sampleBy, __VA_ARGS__)
#define LOG_TRACE_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_TRACE, component, sampleBy, __VA_ARGS__)

#define LOG_EMERG_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_EMERG, component, sampleBy, stream)
#define LOG_ALERT_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_ALERT, component, sampleBy, stream)
#define LOG_CRIT_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_CRIT, component, sampleBy, stream)
#define LOG_ERROR_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_ERROR, component, sampleBy, stream)
#define LOG_WARN_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_WARN, component, sampleBy, stream)
#define LOG_NOTICE_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_NOTICE, component, sampleBy, stream)
#define LOG_INFO_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_INFO, component, sampleBy, stream)
#define LOG_DEBUG_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_DEBUG, component, sampleBy, stream)
#define LOG_TRACE_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_TRACE, component, sampleBy, stream)

// Log Throttling
#define LOG_LOG_THROTTLE(throttler, actorCtxOrSystem, priority, component, ...) \
    do {                                                                        \
        if ((throttler).Kick()) {                                               \
            LOG_LOG(actorCtxOrSystem, priority, component, __VA_ARGS__);        \
        }                                                                       \
    } while (0) /**/

#define TRACE_EVENT(component)                                                                                                         \
    const auto& currentTracer = component;                                                                                             \
    if (ev->HasEvent()) {                                                                                                              \
        LOG_TRACE(*TlsActivationContext, currentTracer, "%s, received event# %" PRIu32 ", Sender %s, Recipient %s: %s",                                  \
                  __FUNCTION__, ev->Type, ev->Sender.ToString().data(), SelfId().ToString().data(), ev->GetBase()->ToString().substr(0, 1000).data()); \
    } else {                                                                                                                           \
        LOG_TRACE(*TlsActivationContext, currentTracer, "%s, received event# %" PRIu32 ", Sender %s, Recipient %s",                                      \
                  __FUNCTION__, ev->Type, ev->Sender.ToString().data(), ev->Recipient.ToString().data());                                          \
    }
#define TRACE_EVENT_TYPE(eventType) LOG_TRACE(*TlsActivationContext, currentTracer, "%s, processing event %s", __FUNCTION__, eventType)

class TLog;
class TLogBackend;

namespace NActors {
    class TLoggerActor;

    ////////////////////////////////////////////////////////////////////////////////
    // SET LOG LEVEL FOR A COMPONENT
    ////////////////////////////////////////////////////////////////////////////////
    class TLogComponentLevelRequest: public TEventLocal<TLogComponentLevelRequest, int(NLog::EEv::LevelReq)> {
    public:
        // set given priority for the component
        TLogComponentLevelRequest(NLog::EPriority priority, NLog::EComponent component)
            : Priority(priority)
            , Component(component)
        {
        }

        // set given priority for all components
        TLogComponentLevelRequest(NLog::EPriority priority)
            : Priority(priority)
            , Component(NLog::InvalidComponent)
        {
        }

    protected:
        NLog::EPriority Priority;
        NLog::EComponent Component;

        friend class TLoggerActor;
    };

    class TLogComponentLevelResponse: public TEventLocal<TLogComponentLevelResponse, int(NLog::EEv::LevelResp)> {
    public:
        TLogComponentLevelResponse(int code, const TString& explanation)
            : Code(code)
            , Explanation(explanation)
        {
        }

        int GetCode() const {
            return Code;
        }

        const TString& GetExplanation() const {
            return Explanation;
        }

    protected:
        int Code;
        TString Explanation;
    };

    class TLogIgnored: public TEventLocal<TLogIgnored, int(NLog::EEv::Ignored)> {
    public:
        TLogIgnored() {
        }
    };

    ////////////////////////////////////////////////////////////////////////////////
    // LOGGER ACTOR
    ////////////////////////////////////////////////////////////////////////////////
    class ILoggerMetrics {
    public:
        virtual ~ILoggerMetrics() = default;

        virtual void IncActorMsgs() = 0;
        virtual void IncDirectMsgs() = 0;
        virtual void IncLevelRequests() = 0;
        virtual void IncIgnoredMsgs() = 0;
        virtual void IncAlertMsgs() = 0;
        virtual void IncEmergMsgs() = 0;
        virtual void IncDroppedMsgs() = 0;

        virtual void GetOutputHtml(IOutputStream&) = 0;
    };

    class TLoggerActor: public TActor<TLoggerActor> {
    public:
        static constexpr IActor::EActivityType ActorActivityType() {
            return IActor::LOG_ACTOR;
        }

        TLoggerActor(TIntrusivePtr<NLog::TSettings> settings,
                     TAutoPtr<TLogBackend> logBackend,
                     TIntrusivePtr<NMonitoring::TDynamicCounters> counters);
        TLoggerActor(TIntrusivePtr<NLog::TSettings> settings,
                     std::shared_ptr<TLogBackend> logBackend,
                     TIntrusivePtr<NMonitoring::TDynamicCounters> counters);
        TLoggerActor(TIntrusivePtr<NLog::TSettings> settings,
                     TAutoPtr<TLogBackend> logBackend,
                     std::shared_ptr<NMonitoring::TMetricRegistry> metrics);
        TLoggerActor(TIntrusivePtr<NLog::TSettings> settings,
                     std::shared_ptr<TLogBackend> logBackend,
                     std::shared_ptr<NMonitoring::TMetricRegistry> metrics);
        ~TLoggerActor();

        void StateFunc(TAutoPtr<IEventHandle>& ev, const TActorContext& ctx) {
            switch (ev->GetTypeRewrite()) {
                HFunc(TLogIgnored, HandleIgnoredEvent);
                HFunc(NLog::TEvLog, HandleLogEvent);
                HFunc(TLogComponentLevelRequest, HandleLogComponentLevelRequest);
                HFunc(NMon::TEvHttpInfo, HandleMonInfo);
            }
        }

        STFUNC(StateDefunct) {
            switch (ev->GetTypeRewrite()) {
                cFunc(TLogIgnored::EventType, HandleIgnoredEventDrop);
                hFunc(NLog::TEvLog, HandleLogEventDrop);
                HFunc(TLogComponentLevelRequest, HandleLogComponentLevelRequest);
                HFunc(NMon::TEvHttpInfo, HandleMonInfo);
                cFunc(TEvents::TEvWakeup::EventType, HandleWakeup);
            }
        }

        // Directly call logger instead of sending a message
        void Log(TInstant time, NLog::EPriority priority, NLog::EComponent component, const char* c, ...);

        static void Throttle(const NLog::TSettings& settings);

    private:
        TIntrusivePtr<NLog::TSettings> Settings;
        std::shared_ptr<TLogBackend> LogBackend;
        ui64 IgnoredCount = 0;
        ui64 PassedCount = 0;
        static TAtomic IsOverflow;
        TDuration WakeupInterval{TDuration::Seconds(5)};
        std::unique_ptr<ILoggerMetrics> Metrics;

        void BecomeDefunct();
        void HandleIgnoredEvent(TLogIgnored::TPtr& ev, const NActors::TActorContext& ctx);
        void HandleIgnoredEventDrop();
        void HandleLogEvent(NLog::TEvLog::TPtr& ev, const TActorContext& ctx);
        void HandleLogEventDrop(const NLog::TEvLog::TPtr& ev);
        void HandleLogComponentLevelRequest(TLogComponentLevelRequest::TPtr& ev, const TActorContext& ctx);
        void HandleMonInfo(NMon::TEvHttpInfo::TPtr& ev, const TActorContext& ctx);
        void HandleWakeup();
        [[nodiscard]] bool OutputRecord(TInstant time, NLog::EPrio priority, NLog::EComponent component, const TString& formatted) noexcept;
        void RenderComponentPriorities(IOutputStream& str); 
        void LogIgnoredCount(TInstant now);
        void WriteMessageStat(const NLog::TEvLog& ev);
        static const char* FormatLocalTimestamp(TInstant time, char* buf);
    };

    ////////////////////////////////////////////////////////////////////////////////
    // LOG THROTTLING
    // TTrivialLogThrottler -- log a message every 'period' duration
    // Use case:
    //  TTrivialLogThrottler throttler(TDuration::Minutes(1));
    //  ....
    //  LOG_LOG_THROTTLE(throttler, ctx, NActors::NLog::PRI_ERROR, SOME, "Error");
    ////////////////////////////////////////////////////////////////////////////////
    class TTrivialLogThrottler {
    public:
        TTrivialLogThrottler(TDuration period)
            : Period(period)
        {
        }

        // return value:
        // true -- write to log
        // false -- don't write to log, throttle
        bool Kick() {
            auto now = TInstant::Now();
            if (now >= (LastWrite + Period)) {
                LastWrite = now;
                return true;
            } else {
                return false;
            }
        }

    private:
        TInstant LastWrite;
        TDuration Period;
    };

    ////////////////////////////////////////////////////////////////////////////////
    // SYSLOG BACKEND
    ////////////////////////////////////////////////////////////////////////////////
    TAutoPtr<TLogBackend> CreateSysLogBackend(const TString& ident,
                                              bool logPError, bool logCons);
    TAutoPtr<TLogBackend> CreateStderrBackend();
    TAutoPtr<TLogBackend> CreateFileBackend(const TString& fileName);
    TAutoPtr<TLogBackend> CreateNullBackend();
    TAutoPtr<TLogBackend> CreateCompositeLogBackend(TVector<TAutoPtr<TLogBackend>>&& underlyingBackends);

    /////////////////////////////////////////////////////////////////////
    //  Logging adaptors for memory log and logging into filesystem
    /////////////////////////////////////////////////////////////////////

    namespace NDetail {
        inline void Y_PRINTF_FORMAT(2, 3) PrintfV(TString& dst, const char* format, ...) {
            va_list params;
            va_start(params, format);
            vsprintf(dst, format, params);
            va_end(params);
        }

        inline void PrintfV(TString& dst, const char* format, va_list params) {
            vsprintf(dst, format, params);
        }
    } // namespace NDetail

    template <typename TCtx>
    inline void DeliverLogMessage(TCtx& ctx, NLog::EPriority mPriority, NLog::EComponent mComponent, TString &&str)
    {
        const NLog::TSettings *mSettings = ctx.LoggerSettings();
        TLoggerActor::Throttle(*mSettings);
        ctx.Send(new IEventHandle(mSettings->LoggerActorId, TActorId(), new NLog::TEvLog(mPriority, mComponent, std::move(str))));
    }

    template <typename TCtx, typename... TArgs>
    inline void MemLogAdapter(
        TCtx& actorCtxOrSystem,
        NLog::EPriority mPriority,
        NLog::EComponent mComponent,
        const char* format, TArgs&&... params) {
        TString Formatted;


        if constexpr (sizeof... (params) > 0) {
            NDetail::PrintfV(Formatted, format, std::forward<TArgs>(params)...);
        } else {
            NDetail::PrintfV(Formatted, "%s", format);
        }

        MemLogWrite(Formatted.data(), Formatted.size(), true);
        DeliverLogMessage(actorCtxOrSystem, mPriority, mComponent, std::move(Formatted));
    }

    template <typename TCtx>
    Y_WRAPPER inline void MemLogAdapter(
        TCtx& actorCtxOrSystem,
        NLog::EPriority mPriority,
        NLog::EComponent mComponent,
        const TString& str) {

        MemLogWrite(str.data(), str.size(), true);
        DeliverLogMessage(actorCtxOrSystem, mPriority, mComponent, TString(str));
    }

    template <typename TCtx>
    Y_WRAPPER inline void MemLogAdapter(
        TCtx& actorCtxOrSystem,
        NLog::EPriority mPriority,
        NLog::EComponent mComponent,
        TString&& str) {

        MemLogWrite(str.data(), str.size(), true);
        DeliverLogMessage(actorCtxOrSystem, mPriority, mComponent, std::move(str));
    }
}