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Code Issues Releases Wiki Activity

Move hiredis wrapper into a separate .so

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...but the new cmake file has some ugly hacks. Trying to work on
the problems...
This commit is contained in:
King_DuckZ 2016-07-13 15:13:59 +01:00
parent 43e53c3740
commit 4e41ea1864
26 changed files with 106 additions and 38 deletions
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144
src/incredis/scan_iterator.hpp Normal file
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/* Copyright 2015, 2016, Michele Santullo
* This file is part of "dindexer".
*
* "dindexer" is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* "dindexer" is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with "dindexer". If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef id774125B851514A26BD7C2AD1D804D732
#define id774125B851514A26BD7C2AD1D804D732
#include "reply.hpp"
#include "helpers/has_method.hpp"
#include "enum.h"
#include <boost/iterator/iterator_facade.hpp>
#include <type_traits>
#include <vector>
#include <cstddef>
#include <boost/utility/string_ref.hpp>
namespace redis {
template <typename ValueFetch>
class ScanIterator;
class Command;
namespace implem {
template <typename ValueFetch>
using ScanIteratorBaseIterator = boost::iterator_facade<ScanIterator<ValueFetch>, const typename ValueFetch::value_type, boost::forward_traversal_tag>;
class ScanIteratorBaseClass {
protected:
explicit ScanIteratorBaseClass ( Command* parCommand );
ScanIteratorBaseClass ( Command* parCommand, boost::string_ref parMatchPattern );
~ScanIteratorBaseClass ( void ) noexcept = default;
bool is_connected ( void ) const;
Reply run ( const char* parCommand, long long parScanContext, std::size_t parCount );
Reply run ( const char* parCommand, const boost::string_ref& parParameter, long long parScanContext, std::size_t parCount );
bool is_equal ( const ScanIteratorBaseClass& parOther ) const { return m_command == parOther.m_command; }
private:
Command* m_command;
boost::string_ref m_match_pattern;
};
} //namespace implem
BETTER_ENUM(ScanCommands, char,
SCAN, SSCAN, ZSCAN, HSCAN
);
template <typename ValueFetch>
class ScanIterator : private implem::ScanIteratorBaseClass, public implem::ScanIteratorBaseIterator<ValueFetch>, private ValueFetch {
friend class boost::iterator_core_access;
typedef implem::ScanIteratorBaseIterator<ValueFetch> base_iterator;
define_has_method(scan_target, ScanTarget);
public:
typedef typename base_iterator::difference_type difference_type;
typedef typename base_iterator::value_type value_type;
typedef typename base_iterator::pointer pointer;
typedef typename base_iterator::reference reference;
typedef typename base_iterator::iterator_category iterator_category;
template <typename Dummy=ValueFetch, typename=typename std::enable_if<not HasScanTargetMethod<Dummy>::value>::type>
ScanIterator ( Command* parCommand, bool parEnd, boost::string_ref parMatchPattern=boost::string_ref() );
template <typename Dummy=ValueFetch, typename=typename std::enable_if<HasScanTargetMethod<Dummy>::value>::type>
ScanIterator ( Command* parCommand, boost::string_ref parKey, bool parEnd, boost::string_ref parMatchPattern=boost::string_ref() );
private:
template <typename T>
Reply forward_scan_command ( typename std::enable_if<HasScanTargetMethod<T>::value, long long>::type parContext );
template <typename T>
Reply forward_scan_command ( typename std::enable_if<not HasScanTargetMethod<T>::value, long long>::type parContext );
bool is_end ( void ) const;
void increment ( void );
bool equal ( const ScanIterator& parOther ) const;
const value_type& dereference ( void ) const;
std::vector<value_type> m_reply;
long long m_scan_context;
std::size_t m_curr_index;
};
template <typename T>
struct ScanSingleValues {
typedef T value_type;
static constexpr const char* command ( void ) { return "SCAN"; }
static constexpr const std::size_t step = 1;
static constexpr const std::size_t work_count = 10;
static const T& make_value ( const Reply* parItem );
};
template <typename T>
struct ScanSingleValuesInKey {
typedef T value_type;
explicit ScanSingleValuesInKey ( boost::string_ref parScanTarget ) : m_scan_target(parScanTarget) {}
static constexpr const char* command ( void ) { return "SSCAN"; }
static constexpr const std::size_t step = 1;
static constexpr const std::size_t work_count = 10;
static const T& make_value ( const Reply* parItem );
boost::string_ref scan_target ( void ) const { return m_scan_target; }
private:
boost::string_ref m_scan_target;
};
template <typename P, char Command, typename A=decltype(P().first), typename B=decltype(P().second)>
struct ScanPairs {
static_assert(Command == ScanCommands::HSCAN or Command == ScanCommands::ZSCAN, "Invalid scan command chosen");
typedef P value_type;
explicit ScanPairs ( boost::string_ref parScanTarget ) : m_scan_target(parScanTarget) {}
static constexpr const char* command ( void ) { return ScanCommands::_from_integral(Command)._to_string(); }
static constexpr const std::size_t step = 2;
static constexpr const std::size_t work_count = 10;
static value_type make_value ( const Reply* parItem );
boost::string_ref scan_target ( void ) const { return m_scan_target; }
private:
boost::string_ref m_scan_target;
};
} //namespace redis
#include "scan_iterator.inl"
#endif