pxmlw6n2f/Gazebo_Distributed_TCP/interfaces/player/GazeboDriver.cc

365 lines
10 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/* Desc: Gazebo Driver for Player
* Author: Nate Koenig
* Date: 2 March 2006
*/
#include <stdlib.h>
#include <iostream>
#include "GazeboInterface.hh"
#include "SimulationInterface.hh"
#include "Position2dInterface.hh"
#include "LaserInterface.hh"
#include "CameraInterface.hh"
// #include "Graphics3dInterface.hh"
// #include "FiducialInterface.hh"
// #include "Position3dInterface.hh"
// #include "ActarrayInterface.hh"
// #include "OpaqueInterface.hh"
// #include "PTZInterface.hh"
// #include "BumperInterface.hh"
// #include "GripperInterface.hh"
// #include "IRInterface.hh"
// #include "ImuInterface.hh"
/*
#include "PowerInterface.hh"
#include "SonarInterface.hh"
#include "PtzInterface.hh"
#include "GripperInterface.hh"
#include "TruthInterface.hh"
#include "GpsInterface.hh"
*/
#include "GazeboDriver.hh"
//////////////////////////////////////////////////
/// A factory creation function, declared outside of the class so that it
/// can be invoked without any object context (alternatively, you can
/// declare it static in the class). In this function, we create and return
/// (as a generic Driver*) a pointer to a new instance of this driver.
Driver *GazeboDriver_Init(ConfigFile *_cf, int _section)
{
// Create and return a new instance of this driver
return (static_cast<Driver*>(new GazeboDriver(_cf, _section)));
}
//////////////////////////////////////////////////
/// A driver registration function, again declared outside of the class so
/// that it can be invoked without object context. In this function, we add
/// the driver into the given driver table, indicating which interface the
/// driver can support and how to create a driver instance.
void GazeboDriver_Register(DriverTable *_table)
{
// TODO: Fix the PACKAGE_VERSION
// printf("\n ** Gazebo plugin v%s **", PACKAGE_VERSION);
_table->AddDriver(const_cast<char*>("gazebo"), GazeboDriver_Init);
}
//////////////////////////////////////////////////
// need the extern to avoid C++ name-mangling
extern "C"
{
GAZEBO_VISIBLE
int player_driver_init(DriverTable *_table)
{
GazeboDriver_Register(_table);
return(0);
}
}
//////////////////////////////////////////////////
// Retrieve options from the configuration file and do any
// pre-Setup() setup.
GazeboDriver::GazeboDriver(ConfigFile *_cf, int _section)
: Driver(_cf, _section, false, 4096)
{
printf("GazeboDriver::GazeboDriver\n");
this->deviceMaxCount = 0;
if (this->LoadDevices(_cf, _section) < 0)
{
std::cout << "Error: Loading devices\n";
}
}
//////////////////////////////////////////////////
GazeboDriver::~GazeboDriver()
{
}
// Set up the device. Return 0 if things go well, and -1 otherwise.
int GazeboDriver::Setup()
{
return(0);
}
// Shutdown the device
int GazeboDriver::Shutdown()
{
return(0);
}
//////////////////////////////////////////////////
// Process all messages for this driver.
int GazeboDriver::ProcessMessage(QueuePointer &_respQueue,
player_msghdr *_hdr,
void *_data)
{
// find the right interface to handle this config
GazeboInterface *in = this->LookupDevice(_hdr->addr);
if (in)
{
return(in->ProcessMessage(_respQueue, _hdr, _data));
}
else
{
printf("can't find interface for device %d.%d.%d",
this->device_addr.robot,
this->device_addr.interf,
this->device_addr.index);
return(-1);
}
}
//////////////////////////////////////////////////
// Subscribe an device to this driver
int GazeboDriver::Subscribe(player_devaddr_t addr)
{
GazeboInterface *device = this->LookupDevice(addr);
if (device)
{
device->Subscribe();
return Driver::Subscribe(addr);
}
puts("failed to find a device.");
return 1;
}
//////////////////////////////////////////////////
// Remove a device from this driver
int GazeboDriver::Unsubscribe(player_devaddr_t addr)
{
GazeboInterface *device = this->LookupDevice(addr);
if (device)
{
device->Unsubscribe();
return Driver::Unsubscribe(addr);
}
return 1;
}
//////////////////////////////////////////////////
// Main function for device thread
void GazeboDriver::Update()
{
Driver::ProcessMessages();
for (auto device: this->devices)
{
device->Update();
}
return;
}
//////////////////////////////////////////////////
// Helper function to load all devices on startup
int GazeboDriver::LoadDevices(ConfigFile *_cf, int _section)
{
// Get the device count
this->deviceMaxCount = _cf->GetTupleCount(_section, "provides");
if (!player_quiet_startup)
{
printf(" Gazebo Plugin driver creating %d %s\n",
this->deviceMaxCount,
this->deviceMaxCount == 1 ? "device" : "devices");
}
// Load all the devices
for (int d = 0; d < this->deviceMaxCount; d++)
{
player_devaddr_t playerAddr;
// Read in the Device address
if (_cf->ReadDeviceAddr(&playerAddr, _section,
"provides", 0, d, NULL) != 0)
{
this->SetError(-1);
return -1;
}
if (!player_quiet_startup)
{
printf(" %d.%d.%d is ",
playerAddr.robot, playerAddr.interf, playerAddr.index);
fflush(stdout);
}
GazeboInterface *ifsrc = NULL;
switch (playerAddr.interf)
{
case PLAYER_SIMULATION_CODE:
if (!player_quiet_startup) printf(" a simulation interface.\n");
ifsrc = new SimulationInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_POSITION2D_CODE:
if (!player_quiet_startup) printf(" a position2d interface.\n");
ifsrc = new Position2dInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_LASER_CODE:
if (!player_quiet_startup) printf(" a laser interface.\n");
ifsrc = new LaserInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_CAMERA_CODE:
if (!player_quiet_startup) printf(" a camera interface.\n");
ifsrc = new CameraInterface(playerAddr, this, _cf, _section);
break;
/*case PLAYER_GRAPHICS3D_CODE:
if (!player_quiet_startup) printf(" a graphics3d interface.\n");
ifsrc = new Graphics3dInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_FIDUCIAL_CODE:
if (!player_quiet_startup) printf(" a fiducial interface.\n");
ifsrc = new FiducialInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_POSITION3D_CODE:
if (!player_quiet_startup) printf(" a position3d interface.\n");
ifsrc = new Position3dInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_ACTARRAY_CODE:
if (!player_quiet_startup) printf(" an actarray interface.\n");
ifsrc = new ActarrayInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_OPAQUE_CODE:
if (!player_quiet_startup) printf(" an opaque interface.\n");
ifsrc = new OpaqueInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_PTZ_CODE:
if (!player_quiet_startup) printf(" a ptz interface.\n");
ifsrc = new PTZInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_GRIPPER_CODE:
if (!player_quiet_startup) printf(" a gripper interface.\n");
ifsrc = new GripperInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_BUMPER_CODE:
if (!player_quiet_startup) printf(" a bumper interface.\n");
ifsrc = new BumperInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_IR_CODE:
if (!player_quiet_startup) printf(" an ir interface.\n");
ifsrc = new IRInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_IMU_CODE:
if (!player_quiet_startup) printf(" an imu interface.\n");
ifsrc = new ImuInterface(playerAddr, this, _cf, _section);
break;
*/
/* case PLAYER_POWER_CODE:
if (!player_quiet_startup) printf(" a power interface.\n");
ifsrc = new PowerInterface(playerAddr, this, _cf, _section);
break;
case PLAYER_SONAR_CODE:
if (!player_quiet_startup) printf(" a sonar interface.\n");
ifsrc = new SonarInterface(playerAddr, this, cf, _section);
break;
case PLAYER_GPS_CODE:
if (!player_quiet_startup) printf(" a gps interface.\n");
ifsrc = new GpsInterface(playerAddr, this, cf, _section);
break;
*/
default:
printf("error: Gazebo driver doesn't support interface type %d\n",
playerAddr.interf);
this->SetError(-1);
return -1;
}
if (ifsrc)
{
// attempt to add this interface and we're done
if (this->AddInterface(ifsrc->device_addr))
{
printf("Gazebo driver error: AddInterface() failed\n");
this->SetError(-2);
return -1;
}
// store the Interaface in our device list
this->devices.push_back(ifsrc);
}
else
{
printf("No Gazebo source found for interface %d:%d:%d",
playerAddr.robot,
playerAddr.interf,
playerAddr.index);
this->SetError(-3);
return -1;
}
}
return 0;
}
//////////////////////////////////////////////////
// Find a device according to a player_devaddr
GazeboInterface *GazeboDriver::LookupDevice(player_devaddr_t _addr)
{
for (auto iface: this->devices)
{
if (iface->device_addr.robot == _addr.robot &&
iface->device_addr.interf == _addr.interf &&
iface->device_addr.index == _addr.index)
return iface;
}
return NULL;
}