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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* SandNetDevice.cpp
* SandNet device
* Copyright (C) 2005 Simon Newton
*/
#include <sstream>
#include <string>
#include <vector>
#include "ola/Logging.h"
#include "ola/network/NetworkUtils.h"
#include "olad/Plugin.h"
#include "olad/PluginAdaptor.h"
#include "olad/Preferences.h"
#include "plugins/sandnet/SandNetDevice.h"
#include "plugins/sandnet/SandNetPlugin.h"
#include "plugins/sandnet/SandNetPort.h"
namespace ola {
namespace plugin {
namespace sandnet {
using std::ostringstream;
using std::string;
using std::vector;
const char SandNetDevice::IP_KEY[] = "ip";
const char SandNetDevice::NAME_KEY[] = "name";
const char SandNetDevice::SANDNET_DEVICE_NAME[] = "SandNet";
/*
* Create a new device
*/
SandNetDevice::SandNetDevice(SandNetPlugin *owner,
Preferences *prefs,
PluginAdaptor *plugin_adaptor):
Device(owner, SANDNET_DEVICE_NAME),
m_preferences(prefs),
m_plugin_adaptor(plugin_adaptor),
m_node(NULL),
m_timeout_id(ola::thread::INVALID_TIMEOUT) {
}
/*
* Start this device
*/
bool SandNetDevice::StartHook() {
vector<ola::network::UDPSocket*> sockets;
vector<ola::network::UDPSocket*>::iterator iter;
m_node = new SandNetNode(m_preferences->GetValue(IP_KEY));
m_node->SetName(m_preferences->GetValue(NAME_KEY));
// setup the output ports (ie INTO sandnet)
for (int i = 0; i < SANDNET_MAX_PORTS; i++) {
bool ret = m_node->SetPortParameters(i,
SandNetNode::SANDNET_PORT_MODE_IN,
0,
i);
if (!ret) {
OLA_WARN << "SetPortParameters failed";
DeleteAllPorts();
delete m_node;
return false;
}
}
if (!m_node->Start()) {
DeleteAllPorts();
delete m_node;
return false;
}
ostringstream str;
str << SANDNET_DEVICE_NAME << " [" << m_node->GetInterface().ip_address <<
"]";
SetName(str.str());
for (unsigned int i = 0; i < INPUT_PORTS; i++) {
SandNetInputPort *port = new SandNetInputPort(
this,
i,
m_plugin_adaptor,
m_node);
AddPort(port);
}
for (unsigned int i = 0; i < SANDNET_MAX_PORTS ; i++) {
SandNetOutputPort *port = new SandNetOutputPort(this, i, m_node);
AddPort(port);
}
sockets = m_node->GetSockets();
for (iter = sockets.begin(); iter != sockets.end(); ++iter)
m_plugin_adaptor->AddReadDescriptor(*iter);
m_timeout_id = m_plugin_adaptor->RegisterRepeatingTimeout(
ADVERTISEMENT_PERIOD_MS,
NewCallback(this, &SandNetDevice::SendAdvertisement));
return true;
}
/*
* Stop this device
*/
void SandNetDevice::PrePortStop() {
vector<ola::network::UDPSocket*> sockets = m_node->GetSockets();
vector<ola::network::UDPSocket*>::iterator iter;
for (iter = sockets.begin(); iter != sockets.end(); ++iter)
m_plugin_adaptor->RemoveReadDescriptor(*iter);
if (m_timeout_id != ola::thread::INVALID_TIMEOUT) {
m_plugin_adaptor->RemoveTimeout(m_timeout_id);
m_timeout_id = ola::thread::INVALID_TIMEOUT;
}
}
/*
* Stop this device
*/
void SandNetDevice::PostPortStop() {
m_node->Stop();
delete m_node;
m_node = NULL;
}
/*
* Called periodically to send advertisements.
*/
bool SandNetDevice::SendAdvertisement() {
OLA_DEBUG << "Sending Sandnet advertisement";
m_node->SendAdvertisement();
return true;
}
} // namespace sandnet
} // namespace plugin
} // namespace ola
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