Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * D-Bus++ - C++ bindings for D-Bus |
| 4 | * |
| 5 | * Copyright (C) 2005-2007 Paolo Durante <shackan@gmail.com> |
| 6 | * |
| 7 | * |
| 8 | * This library is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU Lesser General Public |
| 10 | * License as published by the Free Software Foundation; either |
| 11 | * version 2.1 of the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This library is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * Lesser General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Lesser General Public |
| 19 | * License along with this library; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #ifdef HAVE_CONFIG_H |
| 25 | #include <config.h> |
| 26 | #endif |
| 27 | |
| 28 | #include <dbus-c++/pendingcall.h> |
| 29 | |
| 30 | #include <dbus/dbus.h> |
| 31 | |
| 32 | #include "internalerror.h" |
| 33 | #include "pendingcall_p.h" |
| 34 | #include "message_p.h" |
| 35 | |
| 36 | using namespace DBus; |
| 37 | |
| 38 | PendingCall::Private::Private(DBusPendingCall *dpc) |
| 39 | : call(dpc), dataslot(-1) |
| 40 | { |
| 41 | if (!dbus_pending_call_allocate_data_slot(&dataslot)) |
| 42 | { |
| 43 | throw ErrorNoMemory("Unable to allocate data slot"); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | PendingCall::Private::~Private() |
| 48 | { |
| 49 | if (dataslot != -1) |
| 50 | { |
| 51 | dbus_pending_call_allocate_data_slot(&dataslot); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | void PendingCall::Private::notify_stub(DBusPendingCall *dpc, void *data) |
| 56 | { |
| 57 | PendingCall::Private *pvt = static_cast<PendingCall::Private *>(data); |
| 58 | |
| 59 | PendingCall pc(pvt); |
| 60 | pvt->slot(pc); |
| 61 | } |
| 62 | |
| 63 | PendingCall::PendingCall(PendingCall::Private *p) |
| 64 | : _pvt(p) |
| 65 | { |
| 66 | if (!dbus_pending_call_set_notify(_pvt->call, Private::notify_stub, p, NULL)) |
| 67 | { |
| 68 | throw ErrorNoMemory("Unable to initialize pending call"); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | PendingCall::PendingCall(const PendingCall &c) |
| 73 | : _pvt(c._pvt) |
| 74 | { |
| 75 | dbus_pending_call_ref(_pvt->call); |
| 76 | } |
| 77 | |
| 78 | PendingCall::~PendingCall() |
| 79 | { |
| 80 | dbus_pending_call_unref(_pvt->call); |
| 81 | } |
| 82 | |
| 83 | PendingCall &PendingCall::operator = (const PendingCall &c) |
| 84 | { |
| 85 | if (&c != this) |
| 86 | { |
| 87 | dbus_pending_call_unref(_pvt->call); |
| 88 | _pvt = c._pvt; |
| 89 | dbus_pending_call_ref(_pvt->call); |
| 90 | } |
| 91 | return *this; |
| 92 | } |
| 93 | |
| 94 | bool PendingCall::completed() |
| 95 | { |
| 96 | return dbus_pending_call_get_completed(_pvt->call); |
| 97 | } |
| 98 | |
| 99 | void PendingCall::cancel() |
| 100 | { |
| 101 | dbus_pending_call_cancel(_pvt->call); |
| 102 | } |
| 103 | |
| 104 | void PendingCall::block() |
| 105 | { |
| 106 | dbus_pending_call_block(_pvt->call); |
| 107 | } |
| 108 | |
| 109 | void PendingCall::data(void *p) |
| 110 | { |
| 111 | if (!dbus_pending_call_set_data(_pvt->call, _pvt->dataslot, p, NULL)) |
| 112 | { |
| 113 | throw ErrorNoMemory("Unable to initialize data slot"); |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | void *PendingCall::data() |
| 118 | { |
| 119 | return dbus_pending_call_get_data(_pvt->call, _pvt->dataslot); |
| 120 | } |
| 121 | |
| 122 | Slot<void, PendingCall &>& PendingCall::slot() |
| 123 | { |
| 124 | return _pvt->slot; |
| 125 | } |
| 126 | |
| 127 | Message PendingCall::steal_reply() |
| 128 | { |
| 129 | DBusMessage *dmsg = dbus_pending_call_steal_reply(_pvt->call); |
| 130 | if (!dmsg) |
| 131 | { |
| 132 | dbus_bool_t callComplete = dbus_pending_call_get_completed(_pvt->call); |
| 133 | |
| 134 | if (callComplete) |
| 135 | throw ErrorNoReply("No reply available"); |
| 136 | else |
| 137 | throw ErrorNoReply("Call not complete"); |
| 138 | } |
| 139 | |
| 140 | return Message(new Message::Private(dmsg)); |
| 141 | } |
| 142 | |