a249c67504
This CL is a merge from the widevine repo of: http://go/wvgerrit/16491 Circular Buffer http://go/wvgerrit/16512 Circular Buffer Tests http://go/wvgerrit/16493 Entry Writer http://go/wvgerrit/16495 Profiled Scope http://go/wvgerrit/16500 Stats Collection http://go/wvgerrit/16543 Disallow Stats Copy or Assign http://go/wvgerrit/16514 Moving OEM Function Enum http://go/wvgerrit/16501 Defining Session Interface http://go/wvgerrit/16502 Session Definitions http://go/wvgerrit/16573 Remove code to num bytes table http://go/wvgerrit/16556 Connecting Profiler to Profiled Scope http://go/wvgerrit/16557 Android Reading Profiler History http://go/wvgerrit/16574 Adding Get Stats Method http://go/wvgerrit/16606 Seperating Session Parsing http://go/wvgerrit/16607 Adding get stats method to DRMPlugin http://go/wvgerrit/16608 Fixing Linux Build Failure http://go/wvgerrit/16612 Stop Clearing History http://go/wvgerrit/16613 Accessing profiler information using session id http://go/wvgerrit/16614 Making All Session Subsets of Global Session BUG: 25123303 BUG: 26027857 Change-Id: Ie2422e644aa631871852ea0e461695aeb7060f88
74 lines
1.5 KiB
C++
74 lines
1.5 KiB
C++
// Copyright 2016 Google Inc. All Rights Reserved.
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#ifndef WVCDM_PROFILER_SESSION_H_
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#define WVCDM_PROFILER_SESSION_H_
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#include <map>
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#include <stddef.h>
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#include <stdint.h>
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#include <vector>
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#include "circular_buffer.h"
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#include "entry_writer.h"
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#include "oem_functions.h"
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#include "stats.h"
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namespace wvcdm {
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namespace oemprofiler {
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class ProfilerSession {
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public:
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ProfilerSession();
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void Submit(
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OEM_FUNCTION fid,
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uint64_t start_time,
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uint64_t end_time,
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const uint8_t* meta_data,
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size_t meta_data_length);
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// clear all samples and stats
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void Clear();
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void ReadHistory(std::vector<uint8_t>& output) const;
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void ReadAllStats(std::vector<uint8_t>& output) const;
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const Stat& ReadStat(OEM_FUNCTION fid) const;
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static void Open(int64_t sid);
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static void Close(int64_t sid);
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static ProfilerSession* Find(int64_t sid);
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private:
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Stat stats_[OEM_FUNCTION_COUNT];
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CircularBuffer buffer_;
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uint64_t time_at_head_;
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uint64_t time_at_tail_;
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bool RequestSpace(uint8_t num_bytes);
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bool ReadNextEntryRealEndTime(uint64_t* output);
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bool DropLastEntry();
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// Read a variable length value. This is the read that matches
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// EntryWriter's WriteVLV.
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int ReadVLV(size_t offset, uint64_t* output) const;
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ProfilerSession(const ProfilerSession&);
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void operator=(const ProfilerSession&);
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static uint8_t GetByte(uint64_t value, size_t byte_index);
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static std::map<int64_t, ProfilerSession*> sessions_;
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};
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} // namespace oemprofiler
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} // namespace wvcdm
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#endif
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