mirror of https://github.com/facebook/rocksdb.git
55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
#ifndef THRIFT_SERVER_TNONBLOCKINGSERVEROBSERVER_H_
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#define THRIFT_SERVER_TNONBLOCKINGSERVEROBSERVER_H_ 1
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#include <stdint.h>
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namespace apache { namespace thrift { namespace server {
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class TNonblockingServerObserver {
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public:
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virtual ~TNonblockingServerObserver() {}
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TNonblockingServerObserver() : sampleRate_(0) {}
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TNonblockingServerObserver(uint32_t sampleRate) : sampleRate_(sampleRate) {}
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class CallTimestamps {
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public:
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uint64_t readBegin;
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uint64_t readEnd;
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uint64_t processBegin;
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uint64_t processEnd;
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uint64_t writeBegin;
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uint64_t writeEnd;
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CallTimestamps() {
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init();
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}
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void init() {
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readBegin = readEnd = 0;
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processBegin = processEnd = 0;
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writeBegin = writeEnd = 0;
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}
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};
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// Notifications for various events on the TNonblockingServer
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virtual void connDropped() = 0;
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virtual void taskKilled() = 0;
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virtual void callCompleted(const CallTimestamps& runtimes) = 0;
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// The observer has to specify a sample rate for callCompleted notifications
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inline uint32_t getSampleRate() const {
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return sampleRate_;
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}
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protected:
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uint32_t sampleRate_;
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};
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}}} // apache::thrift::server
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#endif
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