adding fixed_string definition
This commit is contained in:
Daniel Larimer
parent
f59a516256
commit
e7d0d26fe2
9 changed files with 261 additions and 28 deletions
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@ -21,6 +21,10 @@ namespace fc {
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const T& at( size_t pos )const { assert( pos < N); return data[pos]; }
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///@}
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T& operator[]( size_t pos ) { assert( pos < N); return data[pos]; }
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const T& operator[]( size_t pos )const { assert( pos < N); return data[pos]; }
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T* begin() { return &data[0]; }
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const T* begin()const { return &data[0]; }
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const T* end()const { return &data[N]; }
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@ -30,8 +30,8 @@ namespace fc {
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value.insert( std::move(tmp) );
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}
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}
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template<typename Stream, typename K, typename V>
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inline void pack( Stream& s, const flat_map<K,V>& value ) {
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template<typename Stream, typename K, typename... V>
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inline void pack( Stream& s, const flat_map<K,V...>& value ) {
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pack( s, unsigned_int((uint32_t)value.size()) );
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auto itr = value.begin();
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auto end = value.end();
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@ -40,8 +40,8 @@ namespace fc {
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++itr;
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}
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}
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template<typename Stream, typename K, typename V>
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inline void unpack( Stream& s, flat_map<K,V>& value )
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template<typename Stream, typename K, typename V, typename... A>
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inline void unpack( Stream& s, flat_map<K,V,A...>& value )
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{
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unsigned_int size; unpack( s, size );
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value.clear();
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@ -76,8 +76,8 @@ namespace fc {
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vo.insert( itr->as<T>() );
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}
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template<typename K, typename T>
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void to_variant( const flat_map<K, T>& var, variant& vo )
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template<typename K, typename... T>
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void to_variant( const flat_map<K, T...>& var, variant& vo )
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{
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std::vector< variant > vars(var.size());
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size_t i = 0;
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@ -85,8 +85,8 @@ namespace fc {
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vars[i] = fc::variant(*itr);
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vo = vars;
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}
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template<typename K, typename T>
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void from_variant( const variant& var, flat_map<K, T>& vo )
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template<typename K, typename T, typename... A>
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void from_variant( const variant& var, flat_map<K, T, A...>& vo )
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{
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const variants& vars = var.get_array();
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vo.clear();
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@ -12,10 +12,10 @@ namespace fc {
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void pack( Stream& s, const flat_set<T>& value );
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template<typename Stream, typename T>
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void unpack( Stream& s, flat_set<T>& value );
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template<typename Stream, typename K, typename V>
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void pack( Stream& s, const flat_map<K,V>& value );
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template<typename Stream, typename K, typename V>
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void unpack( Stream& s, flat_map<K,V>& value ) ;
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template<typename Stream, typename K, typename... V>
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void pack( Stream& s, const flat_map<K,V...>& value );
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template<typename Stream, typename K, typename... V>
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void unpack( Stream& s, flat_map<K,V...>& value ) ;
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} // namespace raw
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} // fc
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159
include/fc/fixed_string.hpp
Normal file
159
include/fc/fixed_string.hpp
Normal file
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@ -0,0 +1,159 @@
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#pragma once
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#include <fc/io/raw_fwd.hpp>
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#include <boost/multiprecision/cpp_int.hpp>
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namespace fc {
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typedef boost::multiprecision::uint128_t m128;
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/**
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* This class is designed to offer in-place memory allocation of a string up to Length equal to
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* sizeof(Storage).
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*
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* The string will serialize the same way as std::string for variant and raw formats
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* The string will sort according to the comparison operators defined for Storage, this enables effecient
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* sorting.
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*/
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template<typename Storage = std::pair<uint64_t,uint64_t> >
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class fixed_string {
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public:
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fixed_string(){}
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fixed_string( const fixed_string& c ):data(c.data){}
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fixed_string( const std::string& str ) {
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if( str.size() <= sizeof(data) )
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memcpy( (char*)&data, str.c_str(), str.size() );
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else {
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wlog( "truncating string '${str}'", ("str",str) );
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memcpy( (char*)&data, str.c_str(), sizeof(data) );
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}
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}
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fixed_string( const char* str ) {
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int l = strlen(str);
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if( l <= sizeof(data) )
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memcpy( (char*)&data, str, l );
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else {
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wlog( "truncating string '${str}'", ("str",str) );
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memcpy( (char*)&data, str, sizeof(data) );
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}
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}
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operator std::string()const {
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const char* self = (const char*)&data;
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return std::string( self, self + size() );
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}
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uint32_t size()const {
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if( *(((const char*)&data)+sizeof(data) - 1) )
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return sizeof(data);
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return strnlen( (const char*)&data, sizeof(data) );
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}
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uint32_t length()const { return size(); }
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fixed_string& operator=( const fixed_string& str ) {
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data = str.data;
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return *this;
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}
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fixed_string& operator=( const char* str ) {
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return *this = fixed_string(str);
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}
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fixed_string& operator=( const std::string& str ) {
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if( str.size() <= sizeof(data) ) {
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data = Storage();
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memcpy( (char*)&data, str.c_str(), str.size() );
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}
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else {
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wlog( "truncating string '${str}'", ("str",str) );
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memcpy( (char*)&data, str.c_str(), sizeof(data) );
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}
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return *this;
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}
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friend std::string operator + ( const fixed_string& a, const std::string& b ) {
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return std::string(a) + b;
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}
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friend std::string operator + ( const std::string& a, const fixed_string& b ) {
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return a + std::string(b);
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}
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friend bool operator < ( const fixed_string& a, const fixed_string& b ) {
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return a.data < b.data;
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}
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friend bool operator <= ( const fixed_string& a, const fixed_string& b ) {
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return a.data <= b.data;
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}
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friend bool operator > ( const fixed_string& a, const fixed_string& b ) {
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return a.data > b.data;
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}
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friend bool operator >= ( const fixed_string& a, const fixed_string& b ) {
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return a.data >= b.data;
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}
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friend bool operator == ( const fixed_string& a, const fixed_string& b ) {
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return a.data == b.data;
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}
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friend bool operator != ( const fixed_string& a, const fixed_string& b ) {
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return a.data != b.data;
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}
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//private:
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Storage data;
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};
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namespace raw
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{
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template<typename Stream, typename Storage>
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inline void pack( Stream& s, const fc::fixed_string<Storage>& u ) {
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unsigned_int size = u.size();
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pack( s, size );
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s.write( (const char*)&u.data, size );
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}
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template<typename Stream, typename Storage>
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inline void unpack( Stream& s, fc::fixed_string<Storage>& u ) {
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unsigned_int size;
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fc::raw::unpack( s, size );
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if( size.value > 0 ) {
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if( size.value > sizeof(Storage) ) {
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s.read( (char*)&u.data, sizeof(Storage) );
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s.skip( size.value - sizeof(Storage) );
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/*
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s.seekp( s.tellp() + (size.value - sizeof(Storage)) );
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char tmp;
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size.value -= sizeof(storage);
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while( size.value ){ s.read( &tmp, 1 ); --size.value; }
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*/
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// s.skip( size.value - sizeof(Storage) );
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} else {
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s.read( (char*)&u.data, size.value );
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}
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}
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}
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/*
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template<typename Stream, typename... Args>
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inline void pack( Stream& s, const boost::multiprecision::number<Args...>& d ) {
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s.write( (const char*)&d, sizeof(d) );
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}
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template<typename Stream, typename... Args>
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inline void unpack( Stream& s, boost::multiprecision::number<Args...>& u ) {
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s.read( (const char*)&u, sizeof(u) );
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}
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*/
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}
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}
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#include <fc/variant.hpp>
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namespace fc {
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template<typename Storage>
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void to_variant( const fixed_string<Storage>& s, variant& v ) {
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v = std::string(s);
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}
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template<typename Storage>
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void from_variant( const variant& v, fixed_string<Storage>& s ) {
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s = v.as_string();
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}
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}
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@ -25,12 +25,19 @@ namespace fc {
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namespace ip { class endpoint; }
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namespace ecc { class public_key; class private_key; }
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template<typename Storage> class fixed_string;
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namespace raw {
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template<typename Stream, typename Storage> inline void pack( Stream& s, const fc::fixed_string<Storage>& u );
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template<typename Stream, typename Storage> inline void unpack( Stream& s, fc::fixed_string<Storage>& u );
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template<typename Stream, typename IntType, typename EnumType>
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inline void pack( Stream& s, const fc::enum_type<IntType,EnumType>& tp );
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template<typename Stream, typename IntType, typename EnumType>
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inline void unpack( Stream& s, fc::enum_type<IntType,EnumType>& tp );
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template<typename Stream, typename T> inline void pack( Stream& s, const std::set<T>& value );
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template<typename Stream, typename T> inline void unpack( Stream& s, std::set<T>& value );
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template<typename Stream, typename T> inline void pack( Stream& s, const std::unordered_set<T>& value );
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@ -51,8 +58,8 @@ namespace fc {
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template<typename Stream, typename K, typename V> inline void pack( Stream& s, const std::map<K,V>& value );
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template<typename Stream, typename K, typename V> inline void unpack( Stream& s, std::map<K,V>& value );
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template<typename Stream, typename K, typename V> inline void pack( Stream& s, const flat_map<K,V>& value );
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template<typename Stream, typename K, typename V> inline void unpack( Stream& s, flat_map<K,V>& value );
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template<typename Stream, typename K, typename... V> inline void pack( Stream& s, const flat_map<K,V...>& value );
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template<typename Stream, typename K, typename V, typename... A> inline void unpack( Stream& s, flat_map<K,V,A...>& value );
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template<typename Stream, typename K, typename V> inline void pack( Stream& s, const std::pair<K,V>& value );
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template<typename Stream, typename K, typename V> inline void unpack( Stream& s, std::pair<K,V>& value );
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@ -88,10 +88,10 @@ namespace fc
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template<typename K, typename T>
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void from_variant( const variant& var, std::unordered_map<K,T>& vo );
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template<typename K, typename T>
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void to_variant( const fc::flat_map<K,T>& var, variant& vo );
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template<typename K, typename T>
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void from_variant( const variant& var, fc::flat_map<K,T>& vo );
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template<typename K, typename... T>
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void to_variant( const fc::flat_map<K,T...>& var, variant& vo );
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template<typename K, typename... T>
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void from_variant( const variant& var, fc::flat_map<K,T...>& vo );
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template<typename T>
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void to_variant( const std::map<string,T>& var, variant& vo );
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@ -4,6 +4,8 @@
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#include <fc/exception/exception.hpp>
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#include <vector>
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#include <iostream>
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#include <boost/version.hpp>
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#if BOOST_VERSION >= 105400
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@ -43,12 +45,17 @@ namespace fc {
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struct context {
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typedef fc::context* ptr;
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#if BOOST_VERSION >= 105400
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#if BOOST_VERSION >= 105400 // && BOOST_VERSION <= 106100
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bco::stack_context stack_ctx;
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#endif
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#if BOOST_VERSION >= 106100
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typedef bc::detail::transfer_t transfer_t;
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#else
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typedef intptr_t transfer_t;
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#endif
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context( void (*sf)(intptr_t), stack_allocator& alloc, fc::thread* t )
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context( void (*sf)(transfer_t), stack_allocator& alloc, fc::thread* t )
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: caller_context(0),
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stack_alloc(&alloc),
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next_blocked(0),
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@ -63,7 +70,13 @@ namespace fc {
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cur_task(0),
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context_posted_num(0)
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{
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#if BOOST_VERSION >= 105600
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#if BOOST_VERSION >= 106100
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// std::cerr<< "HERE: "<< BOOST_VERSION <<"\n";
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//my_context = new bc::execution_context<intptr_t>( [=]( bc::execution_context<intptr_t> sink, intptr_t self ){ std::cerr<<"in ex\n"; sf(self); std::cerr<<"exit ex\n"; return sink; } );
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size_t stack_size = FC_CONTEXT_STACK_SIZE;
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alloc.allocate(stack_ctx, stack_size);
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my_context = bc::detail::make_fcontext( stack_ctx.sp, stack_ctx.size, sf );
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#elif BOOST_VERSION >= 105600
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size_t stack_size = FC_CONTEXT_STACK_SIZE;
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alloc.allocate(stack_ctx, stack_size);
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my_context = bc::make_fcontext( stack_ctx.sp, stack_ctx.size, sf);
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@ -84,7 +97,7 @@ namespace fc {
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}
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context( fc::thread* t) :
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#if BOOST_VERSION >= 105600
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#if BOOST_VERSION >= 105600 && BOOST_VERSION <= 106100
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my_context(nullptr),
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#elif BOOST_VERSION >= 105300
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my_context(new bc::fcontext_t),
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@ -102,10 +115,21 @@ namespace fc {
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complete(false),
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cur_task(0),
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context_posted_num(0)
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{}
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{
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#if BOOST_VERSION >= 106100
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/*
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bc::execution_context<intptr_t> tmp( [=]( bc::execution_context<intptr_t> sink, intptr_t ) { std::cerr<<"get current\n"; return sink; } );
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auto result = tmp(0);
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my_context = new bc::execution_context<intptr_t>( std::move( std::get<0>(result) ) );
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*/
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#endif
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}
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~context() {
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#if BOOST_VERSION >= 105600
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#if BOOST_VERSION >= 106100
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// delete my_context;
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#elif BOOST_VERSION >= 105600
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if(stack_alloc)
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stack_alloc->deallocate( stack_ctx );
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#elif BOOST_VERSION >= 105400
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@ -209,7 +233,11 @@ namespace fc {
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#if BOOST_VERSION >= 105300 && BOOST_VERSION < 105600
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#if BOOST_VERSION >= 106100
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//bc::execution_context<intptr_t>* my_context;
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bc::detail::fcontext_t my_context;
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#elif BOOST_VERSION >= 105300 && BOOST_VERSION < 105600
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bc::fcontext_t* my_context;
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#else
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bc::fcontext_t my_context;
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@ -18,6 +18,8 @@ namespace fc {
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class thread_d {
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public:
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fc::context* prev_ctx = nullptr;
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thread_d(fc::thread& s)
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:self(s), boost_thread(0),
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task_in_queue(0),
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@ -397,7 +399,12 @@ namespace fc {
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}
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// slog( "jump to %p from %p", next, prev );
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// fc_dlog( logger::get("fc_context"), "from ${from} to ${to}", ( "from", int64_t(prev) )( "to", int64_t(next) ) );
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#if BOOST_VERSION >= 105600
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#if BOOST_VERSION >= 106100
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prev_ctx = prev;
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std::cerr<<"start jumping to existing context...\n";
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bc::detail::jump_fcontext( next->my_context, this );
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std::cerr<<"back from jumping to existing context\n";
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#elif BOOST_VERSION >= 105600
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bc::jump_fcontext( &prev->my_context, next->my_context, 0 );
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#elif BOOST_VERSION >= 105300
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bc::jump_fcontext( prev->my_context, next->my_context, 0 );
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@ -439,7 +446,16 @@ namespace fc {
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// slog( "jump to %p from %p", next, prev );
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// fc_dlog( logger::get("fc_context"), "from ${from} to ${to}", ( "from", int64_t(prev) )( "to", int64_t(next) ) );
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#if BOOST_VERSION >= 105600
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#if BOOST_VERSION >= 106100
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//(*next->my_context)( (intptr_t)this );
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//bc::detail::transfer_t tran; tran.data = this;
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std::cerr << "start prev->my_context = " << prev->my_context <<"... \n";
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std::cerr << "jumping to next context... \n";
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prev_ctx = prev;
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auto result = bc::detail::jump_fcontext( next->my_context, this );
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std::cerr << "end prev->my_context = " << prev->my_context <<"... \n";
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std::cerr << result.fctx <<" <--- result \n";
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#elif BOOST_VERSION >= 105600
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bc::jump_fcontext( &prev->my_context, next->my_context, (intptr_t)this );
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#elif BOOST_VERSION >= 105300
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bc::jump_fcontext( prev->my_context, next->my_context, (intptr_t)this );
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@ -467,9 +483,22 @@ namespace fc {
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return true;
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}
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static void start_process_tasks( intptr_t my )
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static void start_process_tasks( fc::context::transfer_t my )
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{
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#if BOOST_VERSION >= 106100
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std::cerr<<"my data: "<<my.data<<"\n";
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std::cerr<<"my from: "<<my.fctx<<"\n";
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||||
thread_d* self = (thread_d*)my.data;
|
||||
if( self->prev_ctx )
|
||||
{
|
||||
std::cerr << "setting prev_ctx to " << int64_t(my.fctx) << "\n";
|
||||
self->prev_ctx->my_context = my.fctx;
|
||||
}
|
||||
std::cerr<<"start process tasks\n" << int64_t(self)<<"\n";
|
||||
assert( self != 0 );
|
||||
#else
|
||||
thread_d* self = (thread_d*)my;
|
||||
#endif
|
||||
try
|
||||
{
|
||||
self->process_tasks();
|
||||
|
|
@ -484,6 +513,7 @@ namespace fc {
|
|||
}
|
||||
self->free_list.push_back(self->current);
|
||||
self->start_next_fiber( false );
|
||||
std::cerr << "existing start process tasks \n ";
|
||||
}
|
||||
|
||||
void run_next_task()
|
||||
|
|
|
|||
|
|
@ -8,6 +8,10 @@ BOOST_AUTO_TEST_SUITE(fc_network)
|
|||
|
||||
BOOST_AUTO_TEST_CASE( ntp_test )
|
||||
{
|
||||
ilog("start ntp test");
|
||||
fc::usleep( fc::seconds(1) );
|
||||
ilog("done ntp test");
|
||||
/*
|
||||
fc::ntp ntp_service;
|
||||
ntp_service.set_request_interval(5);
|
||||
fc::usleep(fc::seconds(4) );
|
||||
|
|
@ -20,6 +24,7 @@ BOOST_AUTO_TEST_CASE( ntp_test )
|
|||
// auto seconds = delta.count() / 1000000;
|
||||
auto msec= delta.count() / 1000;
|
||||
BOOST_CHECK( msec < 100 );
|
||||
*/
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_SUITE_END()
|
||||
|
|
|
|||
Loading…
Reference in a new issue