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/*
* Copyright (C) 2011 Intel Corporation
*
* 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) version 3.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "presence-status.h"
#include "server.h"
SE_BEGIN_CXX
void PresenceStatus::init(){
//initialize the configured peer list
if (!m_initiated) {
SyncConfig::ConfigList list = SyncConfig::getConfigs();
BOOST_FOREACH(const SyncConfig::ConfigList::value_type &server, list) {
SyncConfig config (server.first);
vector<string> urls = config.getSyncURL();
m_peers[server.first].clear();
BOOST_FOREACH (const string &url, urls) {
// take current status into account,
// PresenceStatus::checkPresence() calls init() and
// expects up-to-date information
PeerStatus status;
if ((boost::starts_with(url, "obex-bt") && m_btPresence) ||
(boost::starts_with (url, "http") && m_httpPresence) ||
boost::starts_with (url, "local")) {
status = MIGHTWORK;
} else {
status = NOTRANSPORT;
}
m_peers[server.first].push_back(make_pair(url, status));
}
}
m_initiated = true;
}
}
/* Implement PresenceStatus::checkPresence*/
void PresenceStatus::checkPresence (const string &peer, string& status, std::vector<std::string> &transport) {
if (!m_initiated) {
//might triggered by updateConfigPeers
init();
}
string peerName = SyncConfig::normalizeConfigString (peer);
vector< pair<string, PeerStatus> > mytransports = m_peers[peerName];
if (mytransports.empty()) {
//wrong config name?
status = status2string(NOTRANSPORT);
transport.clear();
return;
}
PeerStatus mystatus = MIGHTWORK;
transport.clear();
//only if all transports are unavailable can we declare the peer
//status as unavailable
BOOST_FOREACH (PeerStatusPair &mytransport, mytransports) {
if (mytransport.second == MIGHTWORK) {
transport.push_back (mytransport.first);
}
}
if (transport.empty()) {
mystatus = NOTRANSPORT;
}
status = status2string(mystatus);
}
void PresenceStatus::updateConfigPeers (const std::string &peer, const ReadOperations::Config_t &config) {
ReadOperations::Config_t::const_iterator iter = config.find ("");
if (iter != config.end()) {
//As a simple approach, just reinitialize the whole STATUSMAP
//it will cause later updatePresenceStatus resend all signals
//and a reload in checkPresence
m_initiated = false;
}
}
void PresenceStatus::updatePresenceStatus (bool newStatus, PresenceStatus::TransportType type) {
if (type == PresenceStatus::HTTP_TRANSPORT) {
updatePresenceStatus (newStatus, m_btPresence);
} else if (type == PresenceStatus::BT_TRANSPORT) {
updatePresenceStatus (m_httpPresence, newStatus);
}else {
}
}
void PresenceStatus::updatePresenceStatus (bool httpPresence, bool btPresence) {
bool httpChanged = (m_httpPresence != httpPresence);
bool btChanged = (m_btPresence != btPresence);
if (m_initiated && !httpChanged && !btChanged) {
//nothing changed
return;
}
//initialize the configured peer list using old presence status
bool initiated = m_initiated;
if (!m_initiated) {
init();
}
// switch to new status
m_httpPresence = httpPresence;
m_btPresence = btPresence;
if (httpChanged) {
m_httpPresenceSignal(httpPresence);
}
if (btChanged) {
m_btPresenceSignal(btPresence);
}
//iterate all configured peers and fire singals
BOOST_FOREACH (StatusPair &peer, m_peers) {
//iterate all possible transports
//TODO One peer might got more than one signals, avoid this
std::vector<pair<string, PeerStatus> > &transports = peer.second;
BOOST_FOREACH (PeerStatusPair &entry, transports) {
string url = entry.first;
if (boost::starts_with (url, "http") && (httpChanged || !initiated)) {
entry.second = m_httpPresence ? MIGHTWORK: NOTRANSPORT;
m_server.emitPresence (peer.first, status2string (entry.second), entry.first);
SE_LOG_DEBUG(NULL,
"http presence signal %s,%s,%s",
peer.first.c_str(),
status2string (entry.second).c_str(), entry.first.c_str());
} else if (boost::starts_with (url, "obex-bt") && (btChanged || !initiated)) {
entry.second = m_btPresence ? MIGHTWORK: NOTRANSPORT;
m_server.emitPresence (peer.first, status2string (entry.second), entry.first);
SE_LOG_DEBUG(NULL,
"bluetooth presence signal %s,%s,%s",
peer.first.c_str(),
status2string (entry.second).c_str(), entry.first.c_str());
} else if (boost::starts_with (url, "local") && !initiated) {
m_server.emitPresence (peer.first, status2string (MIGHTWORK), entry.first);
SE_LOG_DEBUG(NULL,
"local presence signal %s,%s,%s",
peer.first.c_str(),
status2string (MIGHTWORK).c_str(), entry.first.c_str());
}
}
}
}
SE_END_CXX
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