Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
henrike@webrtc.org
201
talk/examples/plus/presencepushtask.cc
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201
talk/examples/plus/presencepushtask.cc
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/*
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* libjingle
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* Copyright 2004--2005, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "talk/base/stringencode.h"
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#include "presencepushtask.h"
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#include "talk/xmpp/constants.h"
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#include <sstream>
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namespace buzz {
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// string helper functions -----------------------------------------------------
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static bool
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IsXmlSpace(int ch) {
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return ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t';
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}
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static bool
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ListContainsToken(const std::string & list, const std::string & token) {
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size_t i = list.find(token);
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if (i == std::string::npos || token.empty())
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return false;
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bool boundary_before = (i == 0 || IsXmlSpace(list[i - 1]));
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bool boundary_after = (i == list.length() - token.length() || IsXmlSpace(list[i + token.length()]));
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return boundary_before && boundary_after;
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}
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bool
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PresencePushTask::HandleStanza(const XmlElement * stanza) {
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if (stanza->Name() != QN_PRESENCE)
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return false;
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if (stanza->HasAttr(QN_TYPE) && stanza->Attr(QN_TYPE) != STR_UNAVAILABLE) {
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if (stanza->Attr(QN_TYPE) == STR_ERROR) {
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// Pass on the error.
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const XmlElement* error_xml_elem = stanza->FirstNamed(QN_ERROR);
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if (!error_xml_elem) {
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return false;
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}
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SignalStatusError(*error_xml_elem);
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return true;
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}
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}
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QueueStanza(stanza);
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return true;
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}
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static bool IsUtf8FirstByte(int c) {
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return (((c)&0x80)==0) || // is single byte
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((unsigned char)((c)-0xc0)<0x3e); // or is lead byte
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}
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int
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PresencePushTask::ProcessStart() {
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const XmlElement * stanza = NextStanza();
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if (stanza == NULL)
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return STATE_BLOCKED;
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Status s;
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s.set_jid(Jid(stanza->Attr(QN_FROM)));
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if (stanza->Attr(QN_TYPE) == STR_UNAVAILABLE) {
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s.set_available(false);
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SignalStatusUpdate(s);
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}
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else {
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s.set_available(true);
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const XmlElement * status = stanza->FirstNamed(QN_STATUS);
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if (status != NULL) {
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s.set_status(status->BodyText());
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// Truncate status messages longer than 300 bytes
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if (s.status().length() > 300) {
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size_t len = 300;
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// Be careful not to split legal utf-8 chars in half
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while (!IsUtf8FirstByte(s.status()[len]) && len > 0) {
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len -= 1;
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}
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std::string truncated(s.status(), 0, len);
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s.set_status(truncated);
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}
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}
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const XmlElement * priority = stanza->FirstNamed(QN_PRIORITY);
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if (priority != NULL) {
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int pri;
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if (talk_base::FromString(priority->BodyText(), &pri)) {
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s.set_priority(pri);
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}
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}
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const XmlElement * show = stanza->FirstNamed(QN_SHOW);
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if (show == NULL || show->FirstChild() == NULL) {
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s.set_show(Status::SHOW_ONLINE);
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}
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else {
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if (show->BodyText() == "away") {
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s.set_show(Status::SHOW_AWAY);
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}
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else if (show->BodyText() == "xa") {
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s.set_show(Status::SHOW_XA);
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}
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else if (show->BodyText() == "dnd") {
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s.set_show(Status::SHOW_DND);
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}
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else if (show->BodyText() == "chat") {
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s.set_show(Status::SHOW_CHAT);
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}
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else {
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s.set_show(Status::SHOW_ONLINE);
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}
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}
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const XmlElement * caps = stanza->FirstNamed(QN_CAPS_C);
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if (caps != NULL) {
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std::string node = caps->Attr(QN_NODE);
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std::string ver = caps->Attr(QN_VER);
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std::string exts = caps->Attr(QN_EXT);
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s.set_know_capabilities(true);
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std::string capability;
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std::stringstream ss(exts);
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while (ss >> capability) {
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s.AddCapability(capability);
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}
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s->set_caps_node(node);
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s->set_version(ver);
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}
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const XmlElement* delay = stanza->FirstNamed(kQnDelayX);
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if (delay != NULL) {
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// Ideally we would parse this according to the Psuedo ISO-8601 rules
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// that are laid out in JEP-0082:
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// http://www.jabber.org/jeps/jep-0082.html
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std::string stamp = delay->Attr(kQnStamp);
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s.set_sent_time(stamp);
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}
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const XmlElement *nick = stanza->FirstNamed(kQnNickname);
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if (nick) {
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std::string user_nick = nick->BodyText();
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s.set_user_nick(user_nick);
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}
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const XmlElement *plugin = stanza->FirstNamed(QN_PLUGIN);
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if (plugin) {
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const XmlElement *api_cap = plugin->FirstNamed(QN_CAPABILITY);
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if (api_cap) {
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const std::string &api_capability = api_cap->BodyText();
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s.set_api_capability(api_capability);
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}
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const XmlElement *api_msg = plugin->FirstNamed(QN_DATA);
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if (api_msg) {
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const std::string &api_message = api_msg->BodyText();
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s.set_api_message(api_message);
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}
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}
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const XmlElement* data_x = stanza->FirstNamed(QN_MUC_USER_X);
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if (data_x != NULL) {
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const XmlElement* item = data_x->FirstNamed(QN_MUC_USER_ITEM);
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if (item != NULL) {
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s.set_muc_role(item->Attr(QN_ROLE));
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}
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}
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SignalStatusUpdate(s);
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}
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return STATE_START;
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}
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}
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