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d46eebf794
Sometimes a stray whitespace may be inserted in the address field, for example when copying and pasting from somewhere else.
88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
#include <assert.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "ConnectionHistory.hpp"
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#include "../../server/tracy_pdqsort.h"
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#include "profiler/TracyStorage.hpp"
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ConnectionHistory::ConnectionHistory()
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: m_fn( tracy::GetSavePath( "connection.history" ) )
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{
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FILE* f = fopen( m_fn.c_str(), "rb" );
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if( !f ) return;
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uint64_t sz;
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if( fread( &sz, 1, sizeof( sz ), f ) != sizeof( sz ) ) goto err;
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for( uint64_t i=0; i<sz; i++ )
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{
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uint64_t ssz, cnt;
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if( fread( &ssz, 1, sizeof( ssz ), f ) != sizeof( ssz ) ) goto err;
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if( ssz >= 1024 ) goto err;
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char tmp[1024];
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if( fread( tmp, 1, ssz, f ) != ssz ) goto err;
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if( fread( &cnt, 1, sizeof( cnt ), f ) != sizeof( cnt ) ) goto err;
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m_connHistMap.emplace( std::string( tmp, tmp+ssz ), cnt );
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}
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fclose( f );
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Rebuild();
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return;
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err:
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fclose( f );
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m_connHistMap.clear();
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}
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ConnectionHistory::~ConnectionHistory()
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{
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FILE* f = fopen( m_fn.c_str(), "wb" );
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if( !f ) return;
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uint64_t sz = uint64_t( m_connHistMap.size() );
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fwrite( &sz, 1, sizeof( uint64_t ), f );
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for( auto& v : m_connHistMap )
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{
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sz = uint64_t( v.first.size() );
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fwrite( &sz, 1, sizeof( uint64_t ), f );
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fwrite( v.first.c_str(), 1, sz, f );
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fwrite( &v.second, 1, sizeof( v.second ), f );
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}
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fclose( f );
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}
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void ConnectionHistory::Rebuild()
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{
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std::vector<std::unordered_map<std::string, uint64_t>::const_iterator> vec;
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vec.reserve( m_connHistMap.size() );
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for( auto it = m_connHistMap.begin(); it != m_connHistMap.end(); ++it )
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{
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vec.emplace_back( it );
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}
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tracy::pdqsort_branchless( vec.begin(), vec.end(), []( const auto& lhs, const auto& rhs ) { return lhs->second > rhs->second; } );
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std::swap( m_connHistVec, vec );
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}
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void ConnectionHistory::Count( const std::string& name )
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{
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auto it = m_connHistMap.find( name );
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if( it != m_connHistMap.end() )
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{
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it->second++;
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}
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else
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{
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m_connHistMap.emplace( name, 1 );
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}
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Rebuild();
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}
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void ConnectionHistory::Erase( size_t idx )
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{
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assert( idx < m_connHistVec.size() );
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m_connHistMap.erase( m_connHistVec[idx] );
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Rebuild();
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}
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