1 /*
2 * libjingle
3 * Copyright 2011, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "talk/xmpp/pubsubclient.h"
29
30 #include <string>
31 #include <vector>
32
33 #include "talk/xmpp/constants.h"
34 #include "talk/xmpp/jid.h"
35 #include "talk/xmpp/pubsubtasks.h"
36
37 namespace buzz {
38
RequestItems()39 void PubSubClient::RequestItems() {
40 PubSubRequestTask* request_task =
41 new PubSubRequestTask(parent_, pubsubjid_, node_);
42 request_task->SignalResult.connect(this, &PubSubClient::OnRequestResult);
43 request_task->SignalError.connect(this, &PubSubClient::OnRequestError);
44
45 PubSubReceiveTask* receive_task =
46 new PubSubReceiveTask(parent_, pubsubjid_, node_);
47 receive_task->SignalUpdate.connect(this, &PubSubClient::OnReceiveUpdate);
48
49 receive_task->Start();
50 request_task->Start();
51 }
52
PublishItem(const std::string & itemid,XmlElement * payload,std::string * task_id_out)53 void PubSubClient::PublishItem(
54 const std::string& itemid, XmlElement* payload, std::string* task_id_out) {
55 std::vector<XmlElement*> children;
56 children.push_back(payload);
57 PublishItem(itemid, children, task_id_out);
58 }
59
PublishItem(const std::string & itemid,const std::vector<XmlElement * > & children,std::string * task_id_out)60 void PubSubClient::PublishItem(
61 const std::string& itemid, const std::vector<XmlElement*>& children,
62 std::string* task_id_out) {
63 PubSubPublishTask* publish_task =
64 new PubSubPublishTask(parent_, pubsubjid_, node_, itemid, children);
65 publish_task->SignalError.connect(this, &PubSubClient::OnPublishError);
66 publish_task->SignalResult.connect(this, &PubSubClient::OnPublishResult);
67 publish_task->Start();
68 if (task_id_out) {
69 *task_id_out = publish_task->task_id();
70 }
71 }
72
RetractItem(const std::string & itemid,std::string * task_id_out)73 void PubSubClient::RetractItem(
74 const std::string& itemid, std::string* task_id_out) {
75 PubSubRetractTask* retract_task =
76 new PubSubRetractTask(parent_, pubsubjid_, node_, itemid);
77 retract_task->SignalError.connect(this, &PubSubClient::OnRetractError);
78 retract_task->SignalResult.connect(this, &PubSubClient::OnRetractResult);
79 retract_task->Start();
80 if (task_id_out) {
81 *task_id_out = retract_task->task_id();
82 }
83 }
84
OnRequestResult(PubSubRequestTask * task,const std::vector<PubSubItem> & items)85 void PubSubClient::OnRequestResult(PubSubRequestTask* task,
86 const std::vector<PubSubItem>& items) {
87 SignalItems(this, items);
88 }
89
OnRequestError(IqTask * task,const XmlElement * stanza)90 void PubSubClient::OnRequestError(IqTask* task,
91 const XmlElement* stanza) {
92 SignalRequestError(this, stanza);
93 }
94
OnReceiveUpdate(PubSubReceiveTask * task,const std::vector<PubSubItem> & items)95 void PubSubClient::OnReceiveUpdate(PubSubReceiveTask* task,
96 const std::vector<PubSubItem>& items) {
97 SignalItems(this, items);
98 }
99
GetItemFromStanza(const XmlElement * stanza)100 const XmlElement* GetItemFromStanza(const XmlElement* stanza) {
101 if (stanza != NULL) {
102 const XmlElement* pubsub = stanza->FirstNamed(QN_PUBSUB);
103 if (pubsub != NULL) {
104 const XmlElement* publish = pubsub->FirstNamed(QN_PUBSUB_PUBLISH);
105 if (publish != NULL) {
106 return publish->FirstNamed(QN_PUBSUB_ITEM);
107 }
108 }
109 }
110 return NULL;
111 }
112
OnPublishResult(PubSubPublishTask * task)113 void PubSubClient::OnPublishResult(PubSubPublishTask* task) {
114 const XmlElement* item = GetItemFromStanza(task->stanza());
115 SignalPublishResult(this, task->task_id(), item);
116 }
117
OnPublishError(IqTask * task,const XmlElement * error_stanza)118 void PubSubClient::OnPublishError(IqTask* task,
119 const XmlElement* error_stanza) {
120 PubSubPublishTask* publish_task =
121 static_cast<PubSubPublishTask*>(task);
122 const XmlElement* item = GetItemFromStanza(publish_task->stanza());
123 SignalPublishError(this, publish_task->task_id(), item, error_stanza);
124 }
125
OnRetractResult(PubSubRetractTask * task)126 void PubSubClient::OnRetractResult(PubSubRetractTask* task) {
127 SignalRetractResult(this, task->task_id());
128 }
129
OnRetractError(IqTask * task,const XmlElement * stanza)130 void PubSubClient::OnRetractError(IqTask* task,
131 const XmlElement* stanza) {
132 PubSubRetractTask* retract_task =
133 static_cast<PubSubRetractTask*>(task);
134 SignalRetractError(this, retract_task->task_id(), stanza);
135 }
136
137
GetPublisherNickFromPubSubItem(const XmlElement * item_elem)138 const std::string PubSubClient::GetPublisherNickFromPubSubItem(
139 const XmlElement* item_elem) {
140 if (item_elem == NULL) {
141 return "";
142 }
143
144 return Jid(item_elem->Attr(QN_ATTR_PUBLISHER)).resource();
145 }
146 } // namespace buzz
147