dbus-cplusplus/src/message.cpp
2008-07-22 22:34:47 +02:00

645 lines
12 KiB
C++

/*
*
* D-Bus++ - C++ bindings for D-Bus
*
* Copyright (C) 2005-2007 Paolo Durante <shackan@gmail.com>
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_DBUSPP_CONFIG_H
#include <dbus-c++/dbus-c++-config.h>
#endif
#include <dbus-c++/message.h>
#include <dbus/dbus.h>
#include <cstdlib>
#include "internalerror.h"
#include "message_p.h"
using namespace DBus;
/*
*/
int MessageIter::type()
{
return dbus_message_iter_get_arg_type((DBusMessageIter*)&_iter);
}
bool MessageIter::at_end()
{
return type() == DBUS_TYPE_INVALID;
}
bool MessageIter::has_next()
{
return dbus_message_iter_has_next((DBusMessageIter*)&_iter);
}
MessageIter& MessageIter::operator ++()
{
dbus_message_iter_next((DBusMessageIter*)&_iter);
return (*this);
}
MessageIter MessageIter::operator ++(int)
{
MessageIter copy(*this);
++(*this);
return copy;
}
bool MessageIter::append_basic( int type_id, void* value )
{
return dbus_message_iter_append_basic((DBusMessageIter*)&_iter, type_id, value);
}
void MessageIter::get_basic( int type_id, void* ptr )
{
if(type() != type_id)
throw ErrorInvalidArgs("type mismatch");
dbus_message_iter_get_basic((DBusMessageIter*)_iter, ptr);
}
bool MessageIter::append_byte( unsigned char b )
{
return append_basic(DBUS_TYPE_BYTE, &b);
}
unsigned char MessageIter::get_byte()
{
unsigned char b;
get_basic(DBUS_TYPE_BYTE, &b);
return b;
}
bool MessageIter::append_bool( bool b )
{
dbus_bool_t db = b;
return append_basic(DBUS_TYPE_BOOLEAN, &db);
}
bool MessageIter::get_bool()
{
dbus_bool_t db;
get_basic(DBUS_TYPE_BOOLEAN, &db);
return (bool)db;
}
bool MessageIter::append_int16( signed short i )
{
return append_basic(DBUS_TYPE_INT16, &i);
}
signed short MessageIter::get_int16()
{
signed short i;
get_basic(DBUS_TYPE_INT16, &i);
return i;
}
bool MessageIter::append_uint16( unsigned short u )
{
return append_basic(DBUS_TYPE_UINT16, &u);
}
unsigned short MessageIter::get_uint16()
{
unsigned short u;
get_basic(DBUS_TYPE_UINT16, &u);
return u;
}
bool MessageIter::append_int32( signed int i )
{
return append_basic(DBUS_TYPE_INT32, &i);
}
signed int MessageIter::get_int32()
{
signed int i;
get_basic(DBUS_TYPE_INT32, &i);
return i;
}
bool MessageIter::append_uint32( unsigned int u )
{
return append_basic(DBUS_TYPE_UINT32, &u);
}
unsigned int MessageIter::get_uint32()
{
unsigned int u;
get_basic(DBUS_TYPE_UINT32, &u);
return u;
}
signed long long MessageIter::get_int64()
{
signed long long i;
get_basic(DBUS_TYPE_INT64, &i);
return i;
}
bool MessageIter::append_int64( signed long long i )
{
return append_basic(DBUS_TYPE_INT64, &i);
}
unsigned long long MessageIter::get_uint64()
{
unsigned long long u;
get_basic(DBUS_TYPE_UINT64, &u);
return u;
}
bool MessageIter::append_uint64( unsigned long long u )
{
return append_basic(DBUS_TYPE_UINT64, &u);
}
double MessageIter::get_double()
{
double d;
get_basic(DBUS_TYPE_DOUBLE, &d);
return d;
}
bool MessageIter::append_double( double d )
{
return append_basic(DBUS_TYPE_DOUBLE, &d);
}
bool MessageIter::append_string( const char* chars )
{
return append_basic(DBUS_TYPE_STRING, &chars);
}
const char* MessageIter::get_string()
{
char* chars;
get_basic(DBUS_TYPE_STRING, &chars);
return chars;
}
bool MessageIter::append_path( const char* chars )
{
return append_basic(DBUS_TYPE_OBJECT_PATH, &chars);
}
const char* MessageIter::get_path()
{
char* chars;
get_basic(DBUS_TYPE_OBJECT_PATH, &chars);
return chars;
}
bool MessageIter::append_signature( const char* chars )
{
return append_basic(DBUS_TYPE_SIGNATURE, &chars);
}
const char* MessageIter::get_signature()
{
char* chars;
get_basic(DBUS_TYPE_SIGNATURE, &chars);
return chars;
}
MessageIter MessageIter::recurse()
{
MessageIter iter(msg());
dbus_message_iter_recurse((DBusMessageIter*)&_iter, (DBusMessageIter*)&(iter._iter));
return iter;
}
char* MessageIter::signature() const
{
return dbus_message_iter_get_signature((DBusMessageIter*)&_iter);
}
bool MessageIter::append_array( char type, const void* ptr, size_t length )
{
return dbus_message_iter_append_fixed_array((DBusMessageIter*)&_iter, type, &ptr, length);
}
int MessageIter::array_type()
{
return dbus_message_iter_get_element_type((DBusMessageIter*)&_iter);
}
int MessageIter::get_array( void* ptr )
{
int length;
dbus_message_iter_get_fixed_array((DBusMessageIter*)&_iter, ptr, &length);
return length;
}
bool MessageIter::is_array()
{
return dbus_message_iter_get_arg_type((DBusMessageIter*)&_iter) == DBUS_TYPE_ARRAY;
}
bool MessageIter::is_dict()
{
return is_array() && dbus_message_iter_get_element_type((DBusMessageIter*)_iter) == DBUS_TYPE_DICT_ENTRY;
}
MessageIter MessageIter::new_array( const char* sig )
{
MessageIter arr(msg());
dbus_message_iter_open_container(
(DBusMessageIter*)&_iter, DBUS_TYPE_ARRAY, sig, (DBusMessageIter*)&(arr._iter)
);
return arr;
}
MessageIter MessageIter::new_variant( const char* sig )
{
MessageIter var(msg());
dbus_message_iter_open_container(
(DBusMessageIter*)_iter, DBUS_TYPE_VARIANT, sig, (DBusMessageIter*)&(var._iter)
);
return var;
}
MessageIter MessageIter::new_struct()
{
MessageIter stu(msg());
dbus_message_iter_open_container(
(DBusMessageIter*)_iter, DBUS_TYPE_STRUCT, NULL, (DBusMessageIter*)&(stu._iter)
);
return stu;
}
MessageIter MessageIter::new_dict_entry()
{
MessageIter ent(msg());
dbus_message_iter_open_container(
(DBusMessageIter*)_iter, DBUS_TYPE_DICT_ENTRY, NULL, (DBusMessageIter*)&(ent._iter)
);
return ent;
}
void MessageIter::close_container( MessageIter& container )
{
dbus_message_iter_close_container((DBusMessageIter*)&_iter, (DBusMessageIter*)&(container._iter));
}
static bool is_basic_type(int typecode)
{
switch(typecode)
{
case 'y':
case 'b':
case 'n':
case 'q':
case 'i':
case 'u':
case 'x':
case 't':
case 'd':
case 's':
case 'o':
case 'g':
return true;
default:
return false;
}
}
void MessageIter::copy_data( MessageIter& to )
{
for(MessageIter& from = *this; !from.at_end(); ++from)
{
if(is_basic_type(from.type()))
{
debug_log("copying basic type: %c", from.type());
unsigned char value[8];
from.get_basic(from.type(), &value);
to.append_basic(from.type(), &value);
}
else
{
MessageIter from_container = from.recurse();
char* sig = from_container.signature();
debug_log("copying compound type: %c[%s]", from.type(), sig);
MessageIter to_container (to.msg());
dbus_message_iter_open_container
(
(DBusMessageIter*)&(to._iter),
from.type(),
from.type() == DBUS_TYPE_VARIANT ? NULL : sig,
(DBusMessageIter*)&(to_container._iter)
);
from_container.copy_data(to_container);
to.close_container(to_container);
free(sig);
}
}
}
/*
*/
Message::Message()
: _pvt(new Private)
{
}
Message::Message( Message::Private* p, bool incref )
: _pvt(p)
{
if(_pvt->msg && incref) dbus_message_ref(_pvt->msg);
}
Message::Message( const Message& m )
: _pvt(m._pvt)
{
dbus_message_ref(_pvt->msg);
}
Message::~Message()
{
dbus_message_unref(_pvt->msg);
}
Message& Message::operator = ( const Message& m )
{
if(&m != this)
{
dbus_message_unref(_pvt->msg);
_pvt = m._pvt;
dbus_message_ref(_pvt->msg);
}
return *this;
}
Message Message::copy()
{
Private* pvt = new Private(dbus_message_copy(_pvt->msg));
return Message(pvt);
}
bool Message::append( int first_type, ... )
{
va_list vl;
va_start(vl, first_type);
bool b = dbus_message_append_args_valist(_pvt->msg, first_type, vl);
va_end(vl);
return b;
}
void Message::terminate()
{
dbus_message_append_args(_pvt->msg, DBUS_TYPE_INVALID);
}
int Message::type() const
{
return dbus_message_get_type(_pvt->msg);
}
int Message::serial() const
{
return dbus_message_get_serial(_pvt->msg);
}
int Message::reply_serial() const
{
return dbus_message_get_reply_serial(_pvt->msg);
}
bool Message::reply_serial( int s )
{
return dbus_message_set_reply_serial(_pvt->msg, s);
}
const char* Message::sender() const
{
return dbus_message_get_sender(_pvt->msg);
}
bool Message::sender( const char* s )
{
return dbus_message_set_sender(_pvt->msg, s);
}
const char* Message::destination() const
{
return dbus_message_get_destination(_pvt->msg);
}
bool Message::destination( const char* s )
{
return dbus_message_set_destination(_pvt->msg, s);
}
bool Message::is_error() const
{
return type() == DBUS_MESSAGE_TYPE_ERROR;
}
bool Message::is_signal( const char* interface, const char* member ) const
{
return dbus_message_is_signal(_pvt->msg, interface, member);
}
MessageIter Message::writer()
{
MessageIter iter(*this);
dbus_message_iter_init_append(_pvt->msg, (DBusMessageIter*)&(iter._iter));
return iter;
}
MessageIter Message::reader() const
{
MessageIter iter(const_cast<Message&>(*this));
dbus_message_iter_init(_pvt->msg, (DBusMessageIter*)&(iter._iter));
return iter;
}
/*
*/
ErrorMessage::ErrorMessage()
{
_pvt->msg = dbus_message_new(DBUS_MESSAGE_TYPE_ERROR);
}
ErrorMessage::ErrorMessage( const Message& to_reply, const char* name, const char* message )
{
_pvt->msg = dbus_message_new_error(to_reply._pvt->msg, name, message);
}
bool ErrorMessage::operator == ( const ErrorMessage& m ) const
{
return dbus_message_is_error(_pvt->msg, m.name());
}
const char* ErrorMessage::name() const
{
return dbus_message_get_error_name(_pvt->msg);
}
bool ErrorMessage::name( const char* n )
{
return dbus_message_set_error_name(_pvt->msg, n);
}
/*
*/
SignalMessage::SignalMessage( const char* name )
{
_pvt->msg = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
member(name);
}
SignalMessage::SignalMessage( const char* path, const char* interface, const char* name )
{
_pvt->msg = dbus_message_new_signal(path, interface, name);
}
bool SignalMessage::operator == ( const SignalMessage& m ) const
{
return dbus_message_is_signal(_pvt->msg, m.interface(), m.member());
}
const char* SignalMessage::interface() const
{
return dbus_message_get_interface(_pvt->msg);
}
bool SignalMessage::interface( const char* i )
{
return dbus_message_set_interface(_pvt->msg, i);
}
const char* SignalMessage::member() const
{
return dbus_message_get_member(_pvt->msg);
}
bool SignalMessage::member( const char* m )
{
return dbus_message_set_member(_pvt->msg, m);
}
const char* SignalMessage::path() const
{
return dbus_message_get_path(_pvt->msg);
}
char** SignalMessage::path_split() const
{
char** p;
dbus_message_get_path_decomposed(_pvt->msg, &p); //todo: return as a std::vector ?
return p;
}
bool SignalMessage::path( const char* p )
{
return dbus_message_set_path(_pvt->msg, p);
}
/*
*/
CallMessage::CallMessage()
{
_pvt->msg = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL);
}
CallMessage::CallMessage( const char* dest, const char* path, const char* iface, const char* method )
{
_pvt->msg = dbus_message_new_method_call(dest, path, iface, method);
}
bool CallMessage::operator == ( const CallMessage& m ) const
{
return dbus_message_is_method_call(_pvt->msg, m.interface(), m.member());
}
const char* CallMessage::interface() const
{
return dbus_message_get_interface(_pvt->msg);
}
bool CallMessage::interface( const char* i )
{
return dbus_message_set_interface(_pvt->msg, i);
}
const char* CallMessage::member() const
{
return dbus_message_get_member(_pvt->msg);
}
bool CallMessage::member( const char* m )
{
return dbus_message_set_member(_pvt->msg, m);
}
const char* CallMessage::path() const
{
return dbus_message_get_path(_pvt->msg);
}
char** CallMessage::path_split() const
{
char** p;
dbus_message_get_path_decomposed(_pvt->msg, &p);
return p;
}
bool CallMessage::path( const char* p )
{
return dbus_message_set_path(_pvt->msg, p);
}
const char* CallMessage::signature() const
{
return dbus_message_get_signature(_pvt->msg);
}
/*
*/
ReturnMessage::ReturnMessage( const CallMessage& callee )
{
_pvt = new Private(dbus_message_new_method_return(callee._pvt->msg));
}
const char* ReturnMessage::signature() const
{
return dbus_message_get_signature(_pvt->msg);
}