Рефакторинг Redis

This commit is contained in:
Andrei Astafev 2020-04-23 13:24:22 +03:00
parent 16b6b5b322
commit d7968819b7
12 changed files with 100 additions and 169 deletions

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@ -18,9 +18,6 @@ set(TRGT_moc_hpp
${CMAKE_CURRENT_SOURCE_DIR}/request.hpp) ${CMAKE_CURRENT_SOURCE_DIR}/request.hpp)
set(TRGT_hpp set(TRGT_hpp
${CMAKE_CURRENT_SOURCE_DIR}/client_p.hpp
${CMAKE_CURRENT_SOURCE_DIR}/request_p.hpp
${CMAKE_CURRENT_SOURCE_DIR}/parser_p.hpp
${CMAKE_CURRENT_SOURCE_DIR}/client-inl.hpp ${CMAKE_CURRENT_SOURCE_DIR}/client-inl.hpp
${CMAKE_CURRENT_SOURCE_DIR}/lexer-inl.hpp ${CMAKE_CURRENT_SOURCE_DIR}/lexer-inl.hpp
${CMAKE_CURRENT_SOURCE_DIR}/parser-inl.hpp ${CMAKE_CURRENT_SOURCE_DIR}/parser-inl.hpp

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@ -7,28 +7,10 @@
#include <myx/redis/client.hpp> #include <myx/redis/client.hpp>
#endif #endif
#include <myx/redis/client_p.hpp>
namespace myx { namespace myx {
namespace redis { namespace redis {
ClientPrivate::ClientPrivate( Client* client ) :
lexer ( &socket ),
parser( &lexer )
{
connect( &socket, &QTcpSocket::connected, client, &Client::connected );
connect( &socket, &QTcpSocket::disconnected, client, &Client::disconnected );
connect( &parser, &Parser::reply, this, &ClientPrivate::sendReply );
}
void ClientPrivate::sendReply( const Reply& reply )
{
Q_EMIT queue.dequeue()->reply( reply );
}
Client::Client( QObject* parent ) : Client::Client( QObject* parent ) :
QObject( parent ), QObject( parent ),
d ( new ClientPrivate( this ) ) d ( new ClientPrivate( this ) )
@ -38,41 +20,41 @@ Client::Client( QObject* parent ) :
void Client::connectToHost( const QString& hostName, quint16 port ) void Client::connectToHost( const QString& hostName, quint16 port )
{ {
d->socket.connectToHost( hostName, port ); d->m_socket.connectToHost( hostName, port );
} }
void Client::disconnectFromHost() void Client::disconnectFromHost()
{ {
d->socket.disconnectFromHost(); d->m_socket.disconnectFromHost();
} }
bool Client::isConnected() const bool Client::isConnected() const
{ {
return( d->socket.state() == QAbstractSocket::ConnectedState ); return( d->m_socket.state() == QAbstractSocket::ConnectedState );
} }
Request* Client::sendCommand( const QByteArray& command ) Request* Client::sendCommand( const QByteArray& command )
{ {
d->socket.write( command + "\r\n" ); d->m_socket.write( command + "\r\n" );
auto* request = new Request( this ); auto* request = new Request( this );
d->queue.enqueue( request ); d->m_queue.enqueue( request );
return( request ); return( request );
} }
bool Client::waitForConnected( int msecs ) bool Client::waitForConnected( int msecs )
{ {
return( d->socket.waitForConnected( msecs ) ); return( d->m_socket.waitForConnected( msecs ) );
} }
bool Client::waitForDisconnected( int msecs ) bool Client::waitForDisconnected( int msecs )
{ {
return( d->socket.waitForDisconnected( msecs ) ); return( d->m_socket.waitForDisconnected( msecs ) );
} }
} // namespace redis } // namespace redis

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@ -4,17 +4,18 @@
#pragma once #pragma once
#include <myx/base/config.hpp> #include <myx/base/config.hpp>
#include <myx/redis/lexer.hpp>
#include <myx/redis/parser.hpp>
#include <myx/redis/request.hpp> #include <myx/redis/request.hpp>
#include <QObject> #include <QQueue>
#include <QScopedPointer> #include <QScopedPointer>
#include <QTcpSocket>
namespace myx { namespace myx {
namespace redis { namespace redis {
QT_FORWARD_DECLARE_CLASS( ClientPrivate )
/** /**
* @brief Provides access to a Redis server * @brief Provides access to a Redis server
*/ */
@ -105,6 +106,33 @@ public:
private: private:
class ClientPrivate : public QObject
{
Q_OBJECT
friend class Client;
explicit ClientPrivate( Client* client = nullptr ) :
m_lexer ( &m_socket ),
m_parser( &m_lexer )
{
connect( &m_socket, &QTcpSocket::connected, client, &Client::connected );
connect( &m_socket, &QTcpSocket::disconnected, client, &Client::disconnected );
connect( &m_parser, &Parser::reply, this, &ClientPrivate::sendReply );
}
QTcpSocket m_socket;
QQueue< Request* > m_queue;
Lexer m_lexer;
Parser m_parser;
Q_SLOT void sendReply( const myx::redis::Reply& reply )
{
Q_EMIT m_queue.dequeue()->reply( reply );
}
}; // class ClientPrivate
const QScopedPointer< ClientPrivate > d; const QScopedPointer< ClientPrivate > d;
}; // class Client }; // class Client
@ -117,4 +145,4 @@ private:
#endif #endif
#endif // MYX_REDIS_CLIENT_HPP_ #endif // ifndef MYX_REDIS_CLIENT_HPP_

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@ -1,39 +0,0 @@
#ifndef MYX_REDIS_CLIENT_P_HPP_
#define MYX_REDIS_CLIENT_P_HPP_
#include <myx/redis/client.hpp>
#include <myx/redis/lexer.hpp>
#include <myx/redis/parser.hpp>
#include <myx/redis/reply.hpp>
#include <myx/redis/request.hpp>
#include <QObject>
#include <QQueue>
#include <QTcpSocket>
namespace myx {
namespace redis {
class ClientPrivate : public QObject
{
Q_OBJECT
public:
explicit ClientPrivate( Client* = nullptr );
QTcpSocket socket;
QQueue< Request* > queue;
Lexer lexer;
Parser parser;
private:
Q_SLOT void sendReply( const myx::redis::Reply& );
}; // class ClientPrivate
} // namespace redis
} // namespace myx
#endif // MYX_REDIS_CLIENT_P_HPP_

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@ -57,4 +57,4 @@ private:
#endif #endif
#endif // MYX_REDIS_LEXER_HPP_ #endif // ifndef MYX_REDIS_LEXER_HPP_

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@ -25,15 +25,15 @@ void Parser::readCharacter( const char c )
switch ( c ) switch ( c )
{ {
case '+': case '+':
m_stack.append( ParserTaskPrivate( Reply::Status ) ); break; m_stack.append( Task( Reply::kStatus ) ); break;
case '-': case '-':
m_stack.append( ParserTaskPrivate( Reply::Error ) ); break; m_stack.append( Task( Reply::kError ) ); break;
case ':': case ':':
m_stack.append( ParserTaskPrivate( Reply::Integer ) ); break; m_stack.append( Task( Reply::kInteger ) ); break;
case '$': case '$':
m_stack.append( ParserTaskPrivate( Reply::Bulk ) ); break; m_stack.append( Task( Reply::kBulk ) ); break;
case '*': case '*':
m_stack.append( ParserTaskPrivate( Reply::MultiBulk ) ); break; m_stack.append( Task( Reply::kMultiBulk ) ); break;
default: default:
break; break;
} }
@ -42,13 +42,13 @@ void Parser::readCharacter( const char c )
void Parser::readUnsafeString( const QString& value ) void Parser::readUnsafeString( const QString& value )
{ {
if ( tos().reply.type() == Reply::MultiBulk ) if ( tos().m_reply.type() == Reply::kMultiBulk )
{ {
tos().count = value.toInt(); tos().m_count = value.toInt();
} }
else else
{ {
tos().reply.value() = value; tos().m_reply.value() = value;
} }
descend(); descend();
@ -57,7 +57,7 @@ void Parser::readUnsafeString( const QString& value )
void Parser::readSafeString( const QByteArray& value ) void Parser::readSafeString( const QByteArray& value )
{ {
tos().reply.value() = value; tos().m_reply.value() = value;
descend(); descend();
} }
@ -66,21 +66,21 @@ void Parser::descend()
{ {
while ( true ) while ( true )
{ {
if ( ( tos().reply.type() == Reply::MultiBulk ) && if ( ( tos().m_reply.type() == Reply::kMultiBulk ) &&
( tos().reply.value().toList().count() < tos().count ) ) ( tos().m_reply.value().toList().count() < tos().m_count ) )
{ {
return; return;
} }
if ( m_stack.count() == 1 ) if ( m_stack.count() == 1 )
{ {
auto r = m_stack.takeLast().reply; auto r = m_stack.takeLast().m_reply;
Q_EMIT reply( r ); Q_EMIT reply( r );
return; return;
} }
auto r = m_stack.takeLast().reply; auto r = m_stack.takeLast().m_reply;
tos().reply.value().toList().append( QVariant::fromValue( r ) ); tos().m_reply.value().toList().append( QVariant::fromValue( r ) );
} }
} }

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@ -5,7 +5,7 @@
#include <myx/base/config.hpp> #include <myx/base/config.hpp>
#include <myx/redis/lexer.hpp> #include <myx/redis/lexer.hpp>
#include <myx/redis/parser_p.hpp> // #include <myx/redis/parser_p.hpp>
#include <myx/redis/reply.hpp> #include <myx/redis/reply.hpp>
#include <QList> #include <QList>
@ -33,9 +33,23 @@ private:
void descend(); void descend();
QList< ParserTaskPrivate > m_stack; class Task
{
friend class Parser;
ParserTaskPrivate& tos() { return( m_stack.last() ); } enum { kUnknown = -2 };
explicit Task( Reply::Type type ) :
m_reply( type ),
m_count( kUnknown ) {}
Reply m_reply;
int m_count;
};
QList< Task > m_stack;
Task& tos() { return( m_stack.last() ); }
}; // class Parser }; // class Parser
} // namespace redis } // namespace redis
@ -46,4 +60,4 @@ private:
#include "parser-inl.hpp" #include "parser-inl.hpp"
#endif #endif
#endif // MYX_REDIS_PARSER_HPP_ #endif // ifndef MYX_REDIS_PARSER_HPP_

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@ -1,30 +0,0 @@
#ifndef MYX_REDIS_PARSER_P_HPP_
#define MYX_REDIS_PARSER_P_HPP_
#pragma once
#include <myx/redis/reply.hpp>
namespace myx {
namespace redis {
class ParserTaskPrivate
{
friend class Parser;
enum { Unknown = -2 };
ParserTaskPrivate( Reply::Type type ) :
reply( type ),
count( Unknown ) {}
Reply reply;
int count;
};
} // namespace redis
} // namespace myx
#endif // MYX_REDIS_PARSER_P_HPP_

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@ -28,7 +28,7 @@ public:
* *
* This value is only set when the default constructor is used. * This value is only set when the default constructor is used.
*/ */
Invalid, kInvalid,
/** /**
* @brief A status reply * @brief A status reply
@ -36,7 +36,7 @@ public:
* The value property will contain the status message returned * The value property will contain the status message returned
* by the server as a QString. * by the server as a QString.
*/ */
Status, kStatus,
/** /**
* @brief An error reply * @brief An error reply
@ -44,7 +44,7 @@ public:
* The value property will contain the error message returned by * The value property will contain the error message returned by
* the server as a QString. * the server as a QString.
*/ */
Error, kError,
/** /**
* @brief An integer reply * @brief An integer reply
@ -52,7 +52,7 @@ public:
* The value property will contain the integer value returned by * The value property will contain the integer value returned by
* the server as a qlonglong. * the server as a qlonglong.
*/ */
Integer, kInteger,
/** /**
* @brief A bulk reply * @brief A bulk reply
@ -60,7 +60,7 @@ public:
* The value property will contain the bulk reply returned by * The value property will contain the bulk reply returned by
* the server as a QByteArray. * the server as a QByteArray.
*/ */
Bulk, kBulk,
/** /**
* @brief A multi-bulk reply * @brief A multi-bulk reply
@ -69,7 +69,7 @@ public:
* by the server as a QVariantList. Each entry in the list is of * by the server as a QVariantList. Each entry in the list is of
* type Reply. * type Reply.
*/ */
MultiBulk kMultiBulk
}; };
/** /**
@ -98,7 +98,7 @@ public:
private: private:
Type m_type { Invalid }; Type m_type { kInvalid };
QVariant m_value; QVariant m_value;
}; // class Reply }; // class Reply
@ -108,4 +108,4 @@ private:
Q_DECLARE_METATYPE( myx::redis::Reply ) Q_DECLARE_METATYPE( myx::redis::Reply )
#endif // MYX_REDIS_REPLY_HPP_ #endif // ifndef MYX_REDIS_REPLY_HPP_

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@ -8,7 +8,6 @@
#ifndef MYXLIB_HEADER_ONLY #ifndef MYXLIB_HEADER_ONLY
#include <myx/redis/request.hpp> #include <myx/redis/request.hpp>
#endif #endif
#include <myx/redis/request_p.hpp>
#include <QTimer> #include <QTimer>
@ -16,15 +15,9 @@ namespace myx {
namespace redis { namespace redis {
void RequestPrivate::quitEventLoop()
{
loop.exit( 1 );
}
Request::Request( QObject* parent ) : Request::Request( QObject* parent ) :
QObject( parent ), QObject( parent ),
d ( new RequestPrivate ) d ( new Loop )
{ {
connect( this, &Request::reply, this, &Request::deleteLater ); connect( this, &Request::reply, this, &Request::deleteLater );
} }
@ -36,14 +29,14 @@ bool Request::waitForReply( int msecs )
timer.setInterval( msecs ); timer.setInterval( msecs );
timer.setSingleShot( true ); timer.setSingleShot( true );
connect( &timer, &QTimer::timeout, &d->loop, &QEventLoop::quit ); connect( &timer, &QTimer::timeout, &d->m_loop, &QEventLoop::quit );
connect( this, &Request::reply, d.data(), &RequestPrivate::quitEventLoop ); connect( this, &Request::reply, d.data(), &Loop::quitEventLoop );
/* /*
* If the timer fires, the return value will be 0. * If the timer fires, the return value will be 0.
* Otherwise, quitEventLoop() will terminate the loop with 1. * Otherwise, quitEventLoop() will terminate the loop with 1.
*/ */
return( ( d->loop.exec( QEventLoop::ExcludeUserInputEvents ) != 0 ) ); return( ( d->m_loop.exec( QEventLoop::ExcludeUserInputEvents ) != 0 ) );
} }
} // namespace redis } // namespace redis

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@ -6,15 +6,14 @@
#include <myx/base/config.hpp> #include <myx/base/config.hpp>
#include <myx/redis/reply.hpp> #include <myx/redis/reply.hpp>
#include <QObject> #include <QEventLoop>
#include <QScopedPointer> #include <QScopedPointer>
namespace myx { namespace myx {
namespace redis { namespace redis {
QT_FORWARD_DECLARE_CLASS( RequestPrivate );
/** /**
* @brief Represents a Redis command and its response * @brief Represents a Redis command and its response
*/ */
@ -50,7 +49,19 @@ public:
private: private:
const QScopedPointer< RequestPrivate > d; class Loop : public QObject
{
Q_OBJECT
friend class Request;
explicit Loop( QObject* parent = nullptr );
QEventLoop m_loop;
Q_SLOT void quitEventLoop() { m_loop.exit( 1 ); }
};
const QScopedPointer< Loop > d;
}; // class Request }; // class Request
} // namespace redis } // namespace redis
@ -61,4 +72,4 @@ private:
#include "request-inl.hpp" #include "request-inl.hpp"
#endif #endif
#endif // MYX_REDIS_REQUEST_HPP_ #endif // ifndef MYX_REDIS_REQUEST_HPP_

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@ -1,25 +0,0 @@
#ifndef MYX_REDIS_REQUEST_P_HPP_
#define MYX_REDIS_REQUEST_P_HPP_
#include <QEventLoop>
#include <QObject>
namespace myx {
namespace redis {
class RequestPrivate : public QObject
{
Q_OBJECT
public:
explicit RequestPrivate( QObject* parent = nullptr );
QEventLoop loop;
Q_SLOT void quitEventLoop();
};
} // namespace redis
} // namespace myx
#endif // MYX_REDIS_REQUEST_P_HPP_