| -rw-r--r-- | x11/ipc/client/ocopclient.cpp | 129 | ||||
| -rw-r--r-- | x11/ipc/client/ocopclient.h | 56 |
2 files changed, 185 insertions, 0 deletions
diff --git a/x11/ipc/client/ocopclient.cpp b/x11/ipc/client/ocopclient.cpp new file mode 100644 index 0000000..1c25271 --- a/dev/null +++ b/x11/ipc/client/ocopclient.cpp @@ -0,0 +1,129 @@ +#include <errno.h> +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <sys/socket.h> +#include <sys/un.h> + + +#include <qfile.h> +#include <qtimer.h> + +#include "../common/ocoppacket.h" + +#include "ocopclient.h" + +OCOPClient::OCOPClient( const QString& path, QObject* obj ) + : QObject( obj ) +{ + init(QFile::encodeName(path) ); +} +OCOPClient::~OCOPClient() { + close( m_socket ); +} +void OCOPClient::init( const QCString& str ) { + struct sockaddr_un unix_adr; + if ( (m_socket = socket(PF_UNIX, SOCK_STREAM, 0) ) < 0 ) { + qWarning("could not socket"); + QTimer::singleShot(400, this,SLOT(init() ) ); + return; + } + memset(&unix_adr, 0, sizeof(unix_adr ) ); + unix_adr.sun_family = AF_UNIX; + sprintf(unix_adr.sun_path,"%s/.opie.cop", getenv("HOME") ); + int length = sizeof(unix_adr.sun_family) + strlen(unix_adr.sun_path); + + if ( ::connect(m_socket, (struct sockaddr*)&unix_adr, length ) < 0 ) { + qWarning("could not connect %d", errno ); + close( m_socket ); + QTimer::singleShot(400, this, SLOT(init() ) ); + return; + } + m_notify = new QSocketNotifier(m_socket, QSocketNotifier::Read, this ); + connect( m_notify, SIGNAL(activated(int) ), + this, SLOT(newData() ) ); +} +/** + * new data + * read the header check magic number + * and maybe read body + */ +void OCOPClient::newData() { + OCOPPacket pack = packet(); + if ( pack.channel().isEmpty() ) + return; + + switch( pack.type() ) { + case OCOPPacket::Register: + case OCOPPacket::Unregister: + case OCOPPacket::Method: + case OCOPPacket::RegisterChannel: + case OCOPPacket::UnregisterChannel: + case OCOPPacket::Return: + case OCOPPacket::Signal: + /* is Registered should be handled sync */ + case OCOPPacket::isRegistered: + break; + /* emit the signal */ + case OCOPPacket::Call: + emit called( pack.channel(), pack.header(), pack.content() ); + break; + } +} +OCOPPacket OCOPClient::packet() { + QCString chan; + QCString func; + QByteArray ar; + OCOPHead head; + memset(&head, 0, sizeof(head) ); + read(m_socket, &head, sizeof(head) ); + if ( head.magic == 47 ) { + read(m_socket, chan.data(), head.chlen ); + read(m_socket, func.data(), head.funclen ); + read(m_socket, ar.data(), head.datalen ); + } + OCOPPacket pack(head.type, chan, func, data ); + return pack; +} +/* + * we've blocking IO here on these sockets + * so we send and go on read + * this will be blocked + */ +bool OCOPClient::isRegistered( const QCString& chan ) { + /* should I disconnect the socket notfier? */ + OCOPPacket packe(OCOPPacket::IsRegistered, chan ); + OCOPHead head = packe.head(); + write(m_socket, &head, sizeof(head) ); + + /* block */ + OCOPPacket pack = packet(); + + /* connect here again */ + if ( pack.channel() == chan ) { + QCString func = pack.header(); + if (func[0] == 1 ) + return; + } + + return false; +}; +void OCOPClient::send( const QCString& chan, const QCString& fu, const QByteArray& arr ) { + OCOPPacket pack(OCOPPacket::Call, chan, fu, arr ); + call( pack ); +} +void OCOPClient::addChannel(const QCString& channet) { + OCOPPacket pack(OCOPPacket::RegisterChannel, channel ); + call( pack ); +} +void OCOPClient::delChannel(const QCString& chan ) { + OCOPPacket pack(OCOPPacket::UnregisterChannel, channel ); + call( pack ); +} +void OCOPPacket::call( const OCOPPacket& pack ) { + OCOPHead head = pack.head(); + write(m_socket, &head, sizeof(head) ); + write(m_socket, pack.channel().data(), pack.channel().size() ); + write(m_socket, pack.header().data(), pack.header().size() ); + write(m_socket, pack.content().data(), pack.content().size() ); +} diff --git a/x11/ipc/client/ocopclient.h b/x11/ipc/client/ocopclient.h new file mode 100644 index 0000000..5300132 --- a/dev/null +++ b/x11/ipc/client/ocopclient.h @@ -0,0 +1,56 @@ +#ifndef OPIE_OCOP_CLIENT_H +#define OPIE_OCOP_CLIENT_H + + +#include <qobject.h> +#include <qcstring.h> +#include <qmap.h> +#include <qsignal.h> +#include <qstring.h> +#include <qsocketnotifier.h> + + +/** + * This is the OCOP client + * It currently only supports + * asking if a Channel is registered, + * calling and receiving calls + */ +class OCOPPacket; +class OCOPClient : public QObject{ + Q_OBJECT +public: + + /** + * Occasionally I decide to start a Server from here + */ + OCOPClient(const QString& pathToServer = QString::null, QObject* obj = 0l); + ~OCOPClient(); + + bool isRegistered( const QCString& )const; + void send( const QCString& chan, const QCString&, const QByteArray& msg ); + + /** + * add a channel and does connect to a signal + * callback is the object + * slot is the SLOT() + */ + void addChannel( const QCString& channel ); + void delChannel( const QCString& channel ); +/* no direct signals due the design */ +signals: + void called(const QCString&, const QCString&, const QByteArray ); +private slots: + void init(const QCString& pa); + void newData(); +private: + OCOPPacket packet(); + void call( const OCOPPacket& ); + + QSocketNotifier* m_notify; + int m_socket; +private slots: + +}; + +#endif |