// Written by Duncan McCreanor, started February 2003.
// duncan.mccreanor@airservicesaustralia.com
//
-// With minor additions by Vivian Meazza, January 2006
-//
// Copyright (C) 2003 Airservices Australia
// Copyright (C) 2005 Oliver Schroeder
+// Copyright (C) 2006 Mathias Froehlich
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
//
#include <config.h>
#endif
-#ifdef FG_MPLAYER_AS
-
-#include <sys/types.h>
-#if !(defined(_MSC_VER) || defined(__MINGW32__))
-# include <sys/socket.h>
-# include <netinet/in.h>
-# include <arpa/inet.h>
-#endif
-#include <stdlib.h>
-
+#include <iostream>
+#include <algorithm>
+#include <cstring>
+#include <osg/Math> // isNaN
#include <plib/netSocket.h>
+#include <simgear/misc/stdint.hxx>
+#include <simgear/timing/timestamp.hxx>
#include <simgear/debug/logstream.hxx>
+#include <simgear/props/props.hxx>
+#include <AIModel/AIManager.hxx>
#include <Main/fg_props.hxx>
#include "multiplaymgr.hxx"
#include "mpmessages.hxx"
-#include "mpplayer.hxx"
-#define MAX_PACKET_SIZE 1024
+using namespace std;
+
+#define MAX_PACKET_SIZE 1200
+#define MAX_TEXT_SIZE 128
// These constants are provided so that the ident
// command can list file versions
-const char sMULTIPLAYMGR_BID[] =
- "$Id$";
+const char sMULTIPLAYMGR_BID[] = "$Id$";
const char sMULTIPLAYMGR_HID[] = MULTIPLAYTXMGR_HID;
+// A static map of protocol property id values to property paths,
+// This should be extendable dynamically for every specific aircraft ...
+// For now only that static list
+FGMultiplayMgr::IdPropertyList
+const FGMultiplayMgr::sIdPropertyList[] = {
+ {100, "surface-positions/left-aileron-pos-norm", SGPropertyNode::FLOAT},
+ {101, "surface-positions/right-aileron-pos-norm", SGPropertyNode::FLOAT},
+ {102, "surface-positions/elevator-pos-norm", SGPropertyNode::FLOAT},
+ {103, "surface-positions/rudder-pos-norm", SGPropertyNode::FLOAT},
+ {104, "surface-positions/flap-pos-norm", SGPropertyNode::FLOAT},
+ {105, "surface-positions/speedbrake-pos-norm", SGPropertyNode::FLOAT},
+ {106, "gear/tailhook/position-norm", SGPropertyNode::FLOAT},
+ {107, "gear/launchbar/position-norm", SGPropertyNode::FLOAT},
+ {108, "gear/launchbar/state", SGPropertyNode::STRING},
+ {109, "gear/launchbar/holdback-position-norm", SGPropertyNode::FLOAT},
+ {110, "canopy/position-norm", SGPropertyNode::FLOAT},
+ {111, "surface-positions/wing-pos-norm", SGPropertyNode::FLOAT},
+ {112, "surface-positions/wing-fold-pos-norm", SGPropertyNode::FLOAT},
+
+ {200, "gear/gear[0]/compression-norm", SGPropertyNode::FLOAT},
+ {201, "gear/gear[0]/position-norm", SGPropertyNode::FLOAT},
+ {210, "gear/gear[1]/compression-norm", SGPropertyNode::FLOAT},
+ {211, "gear/gear[1]/position-norm", SGPropertyNode::FLOAT},
+ {220, "gear/gear[2]/compression-norm", SGPropertyNode::FLOAT},
+ {221, "gear/gear[2]/position-norm", SGPropertyNode::FLOAT},
+ {230, "gear/gear[3]/compression-norm", SGPropertyNode::FLOAT},
+ {231, "gear/gear[3]/position-norm", SGPropertyNode::FLOAT},
+ {240, "gear/gear[4]/compression-norm", SGPropertyNode::FLOAT},
+ {241, "gear/gear[4]/position-norm", SGPropertyNode::FLOAT},
+
+ {300, "engines/engine[0]/n1", SGPropertyNode::FLOAT},
+ {301, "engines/engine[0]/n2", SGPropertyNode::FLOAT},
+ {302, "engines/engine[0]/rpm", SGPropertyNode::FLOAT},
+ {310, "engines/engine[1]/n1", SGPropertyNode::FLOAT},
+ {311, "engines/engine[1]/n2", SGPropertyNode::FLOAT},
+ {312, "engines/engine[1]/rpm", SGPropertyNode::FLOAT},
+ {320, "engines/engine[2]/n1", SGPropertyNode::FLOAT},
+ {321, "engines/engine[2]/n2", SGPropertyNode::FLOAT},
+ {322, "engines/engine[2]/rpm", SGPropertyNode::FLOAT},
+ {330, "engines/engine[3]/n1", SGPropertyNode::FLOAT},
+ {331, "engines/engine[3]/n2", SGPropertyNode::FLOAT},
+ {332, "engines/engine[3]/rpm", SGPropertyNode::FLOAT},
+ {340, "engines/engine[4]/n1", SGPropertyNode::FLOAT},
+ {341, "engines/engine[4]/n2", SGPropertyNode::FLOAT},
+ {342, "engines/engine[4]/rpm", SGPropertyNode::FLOAT},
+ {350, "engines/engine[5]/n1", SGPropertyNode::FLOAT},
+ {351, "engines/engine[5]/n2", SGPropertyNode::FLOAT},
+ {352, "engines/engine[5]/rpm", SGPropertyNode::FLOAT},
+ {360, "engines/engine[6]/n1", SGPropertyNode::FLOAT},
+ {361, "engines/engine[6]/n2", SGPropertyNode::FLOAT},
+ {362, "engines/engine[6]/rpm", SGPropertyNode::FLOAT},
+ {370, "engines/engine[7]/n1", SGPropertyNode::FLOAT},
+ {371, "engines/engine[7]/n2", SGPropertyNode::FLOAT},
+ {372, "engines/engine[7]/rpm", SGPropertyNode::FLOAT},
+ {380, "engines/engine[8]/n1", SGPropertyNode::FLOAT},
+ {381, "engines/engine[8]/n2", SGPropertyNode::FLOAT},
+ {382, "engines/engine[8]/rpm", SGPropertyNode::FLOAT},
+ {390, "engines/engine[9]/n1", SGPropertyNode::FLOAT},
+ {391, "engines/engine[9]/n2", SGPropertyNode::FLOAT},
+ {392, "engines/engine[9]/rpm", SGPropertyNode::FLOAT},
+
+ {800, "rotors/main/rpm", SGPropertyNode::FLOAT},
+ {801, "rotors/tail/rpm", SGPropertyNode::FLOAT},
+ {810, "rotors/main/blade[0]/position-deg", SGPropertyNode::FLOAT},
+ {811, "rotors/main/blade[1]/position-deg", SGPropertyNode::FLOAT},
+ {812, "rotors/main/blade[2]/position-deg", SGPropertyNode::FLOAT},
+ {813, "rotors/main/blade[3]/position-deg", SGPropertyNode::FLOAT},
+ {820, "rotors/main/blade[0]/flap-deg", SGPropertyNode::FLOAT},
+ {821, "rotors/main/blade[1]/flap-deg", SGPropertyNode::FLOAT},
+ {822, "rotors/main/blade[2]/flap-deg", SGPropertyNode::FLOAT},
+ {823, "rotors/main/blade[3]/flap-deg", SGPropertyNode::FLOAT},
+ {830, "rotors/tail/blade[0]/position-deg", SGPropertyNode::FLOAT},
+ {831, "rotors/tail/blade[1]/position-deg", SGPropertyNode::FLOAT},
+
+ {900, "sim/hitches/aerotow/tow/length", SGPropertyNode::FLOAT},
+ {901, "sim/hitches/aerotow/tow/elastic-constant", SGPropertyNode::FLOAT},
+ {902, "sim/hitches/aerotow/tow/weight-per-m-kg-m", SGPropertyNode::FLOAT},
+ {903, "sim/hitches/aerotow/tow/dist", SGPropertyNode::FLOAT},
+ {904, "sim/hitches/aerotow/tow/connected-to-property-node", SGPropertyNode::BOOL},
+ {905, "sim/hitches/aerotow/tow/connected-to-ai-or-mp-callsign", SGPropertyNode::STRING},
+ {906, "sim/hitches/aerotow/tow/brake-force", SGPropertyNode::FLOAT},
+ {907, "sim/hitches/aerotow/tow/end-force-x", SGPropertyNode::FLOAT},
+ {908, "sim/hitches/aerotow/tow/end-force-y", SGPropertyNode::FLOAT},
+ {909, "sim/hitches/aerotow/tow/end-force-z", SGPropertyNode::FLOAT},
+ {930, "sim/hitches/aerotow/is-slave", SGPropertyNode::BOOL},
+ {931, "sim/hitches/aerotow/speed-in-tow-direction", SGPropertyNode::FLOAT},
+ {932, "sim/hitches/aerotow/open", SGPropertyNode::BOOL},
+ {933, "sim/hitches/aerotow/local-pos-x", SGPropertyNode::FLOAT},
+ {934, "sim/hitches/aerotow/local-pos-y", SGPropertyNode::FLOAT},
+ {935, "sim/hitches/aerotow/local-pos-z", SGPropertyNode::FLOAT},
+
+ {1001, "controls/flight/slats", SGPropertyNode::FLOAT},
+ {1002, "controls/flight/speedbrake", SGPropertyNode::FLOAT},
+ {1003, "controls/flight/spoilers", SGPropertyNode::FLOAT},
+ {1004, "controls/gear/gear-down", SGPropertyNode::FLOAT},
+ {1005, "controls/lighting/nav-lights", SGPropertyNode::FLOAT},
+ {1006, "controls/armament/station[0]/jettison-all", SGPropertyNode::BOOL},
+
+ {1100, "sim/model/variant", SGPropertyNode::INT},
+ {1101, "sim/model/livery/file", SGPropertyNode::STRING},
+
+ {1200, "environment/wildfire/data", SGPropertyNode::STRING},
+
+ {10001, "sim/multiplay/transmission-freq-hz", SGPropertyNode::STRING},
+ {10002, "sim/multiplay/chat", SGPropertyNode::STRING},
+
+ {10100, "sim/multiplay/generic/string[0]", SGPropertyNode::STRING},
+ {10101, "sim/multiplay/generic/string[1]", SGPropertyNode::STRING},
+ {10102, "sim/multiplay/generic/string[2]", SGPropertyNode::STRING},
+ {10103, "sim/multiplay/generic/string[3]", SGPropertyNode::STRING},
+ {10104, "sim/multiplay/generic/string[4]", SGPropertyNode::STRING},
+ {10105, "sim/multiplay/generic/string[5]", SGPropertyNode::STRING},
+ {10106, "sim/multiplay/generic/string[6]", SGPropertyNode::STRING},
+ {10107, "sim/multiplay/generic/string[7]", SGPropertyNode::STRING},
+ {10108, "sim/multiplay/generic/string[8]", SGPropertyNode::STRING},
+ {10109, "sim/multiplay/generic/string[9]", SGPropertyNode::STRING},
+ {10110, "sim/multiplay/generic/string[10]", SGPropertyNode::STRING},
+ {10111, "sim/multiplay/generic/string[11]", SGPropertyNode::STRING},
+ {10112, "sim/multiplay/generic/string[12]", SGPropertyNode::STRING},
+ {10113, "sim/multiplay/generic/string[13]", SGPropertyNode::STRING},
+ {10114, "sim/multiplay/generic/string[14]", SGPropertyNode::STRING},
+ {10115, "sim/multiplay/generic/string[15]", SGPropertyNode::STRING},
+ {10116, "sim/multiplay/generic/string[16]", SGPropertyNode::STRING},
+ {10117, "sim/multiplay/generic/string[17]", SGPropertyNode::STRING},
+ {10118, "sim/multiplay/generic/string[18]", SGPropertyNode::STRING},
+ {10119, "sim/multiplay/generic/string[19]", SGPropertyNode::STRING},
+
+ {10200, "sim/multiplay/generic/float[0]", SGPropertyNode::FLOAT},
+ {10201, "sim/multiplay/generic/float[1]", SGPropertyNode::FLOAT},
+ {10202, "sim/multiplay/generic/float[2]", SGPropertyNode::FLOAT},
+ {10203, "sim/multiplay/generic/float[3]", SGPropertyNode::FLOAT},
+ {10204, "sim/multiplay/generic/float[4]", SGPropertyNode::FLOAT},
+ {10205, "sim/multiplay/generic/float[5]", SGPropertyNode::FLOAT},
+ {10206, "sim/multiplay/generic/float[6]", SGPropertyNode::FLOAT},
+ {10207, "sim/multiplay/generic/float[7]", SGPropertyNode::FLOAT},
+ {10208, "sim/multiplay/generic/float[8]", SGPropertyNode::FLOAT},
+ {10209, "sim/multiplay/generic/float[9]", SGPropertyNode::FLOAT},
+ {10210, "sim/multiplay/generic/float[10]", SGPropertyNode::FLOAT},
+ {10211, "sim/multiplay/generic/float[11]", SGPropertyNode::FLOAT},
+ {10212, "sim/multiplay/generic/float[12]", SGPropertyNode::FLOAT},
+ {10213, "sim/multiplay/generic/float[13]", SGPropertyNode::FLOAT},
+ {10214, "sim/multiplay/generic/float[14]", SGPropertyNode::FLOAT},
+ {10215, "sim/multiplay/generic/float[15]", SGPropertyNode::FLOAT},
+ {10216, "sim/multiplay/generic/float[16]", SGPropertyNode::FLOAT},
+ {10217, "sim/multiplay/generic/float[17]", SGPropertyNode::FLOAT},
+ {10218, "sim/multiplay/generic/float[18]", SGPropertyNode::FLOAT},
+ {10219, "sim/multiplay/generic/float[19]", SGPropertyNode::FLOAT},
+
+ {10300, "sim/multiplay/generic/int[0]", SGPropertyNode::INT},
+ {10301, "sim/multiplay/generic/int[1]", SGPropertyNode::INT},
+ {10302, "sim/multiplay/generic/int[2]", SGPropertyNode::INT},
+ {10303, "sim/multiplay/generic/int[3]", SGPropertyNode::INT},
+ {10304, "sim/multiplay/generic/int[4]", SGPropertyNode::INT},
+ {10305, "sim/multiplay/generic/int[5]", SGPropertyNode::INT},
+ {10306, "sim/multiplay/generic/int[6]", SGPropertyNode::INT},
+ {10307, "sim/multiplay/generic/int[7]", SGPropertyNode::INT},
+ {10308, "sim/multiplay/generic/int[8]", SGPropertyNode::INT},
+ {10309, "sim/multiplay/generic/int[9]", SGPropertyNode::INT},
+ {10310, "sim/multiplay/generic/int[10]", SGPropertyNode::INT},
+ {10311, "sim/multiplay/generic/int[11]", SGPropertyNode::INT},
+ {10312, "sim/multiplay/generic/int[12]", SGPropertyNode::INT},
+ {10313, "sim/multiplay/generic/int[13]", SGPropertyNode::INT},
+ {10314, "sim/multiplay/generic/int[14]", SGPropertyNode::INT},
+ {10315, "sim/multiplay/generic/int[15]", SGPropertyNode::INT},
+ {10316, "sim/multiplay/generic/int[16]", SGPropertyNode::INT},
+ {10317, "sim/multiplay/generic/int[17]", SGPropertyNode::INT},
+ {10318, "sim/multiplay/generic/int[18]", SGPropertyNode::INT},
+ {10319, "sim/multiplay/generic/int[19]", SGPropertyNode::INT},
+};
+
+const unsigned
+FGMultiplayMgr::numProperties = (sizeof(FGMultiplayMgr::sIdPropertyList)
+ / sizeof(FGMultiplayMgr::sIdPropertyList[0]));
+
+// Look up a property ID using binary search.
+namespace
+{
+ struct ComparePropertyId
+ {
+ bool operator()(const FGMultiplayMgr::IdPropertyList& lhs,
+ const FGMultiplayMgr::IdPropertyList& rhs)
+ {
+ return lhs.id < rhs.id;
+ }
+ bool operator()(const FGMultiplayMgr::IdPropertyList& lhs,
+ unsigned id)
+ {
+ return lhs.id < id;
+ }
+ bool operator()(unsigned id,
+ const FGMultiplayMgr::IdPropertyList& rhs)
+ {
+ return id < rhs.id;
+ }
+ };
+
+}
+const FGMultiplayMgr::IdPropertyList* FGMultiplayMgr::findProperty(unsigned id)
+{
+ std::pair<const IdPropertyList*, const IdPropertyList*> result
+ = std::equal_range(sIdPropertyList, sIdPropertyList + numProperties, id,
+ ComparePropertyId());
+ if (result.first == result.second) {
+ return 0;
+ } else {
+ return result.first;
+ }
+}
+
+namespace
+{
+ bool verifyProperties(const xdr_data_t* data, const xdr_data_t* end)
+ {
+ const xdr_data_t* xdr = data;
+ while (xdr < end) {
+ unsigned id = XDR_decode_uint32(*xdr);
+ const FGMultiplayMgr::IdPropertyList* plist
+ = FGMultiplayMgr::findProperty(id);
+
+ if (plist) {
+ xdr++;
+ // How we decode the remainder of the property depends on the type
+ switch (plist->type) {
+ case SGPropertyNode::INT:
+ case SGPropertyNode::BOOL:
+ case SGPropertyNode::LONG:
+ xdr++;
+ break;
+ case SGPropertyNode::FLOAT:
+ case SGPropertyNode::DOUBLE:
+ {
+ float val = XDR_decode_float(*xdr);
+ if (osg::isNaN(val))
+ return false;
+ xdr++;
+ break;
+ }
+ case SGPropertyNode::STRING:
+ case SGPropertyNode::UNSPECIFIED:
+ {
+ // String is complicated. It consists of
+ // The length of the string
+ // The string itself
+ // Padding to the nearest 4-bytes.
+ // XXX Yes, each byte is padded out to a word! Too late
+ // to change...
+ uint32_t length = XDR_decode_uint32(*xdr);
+ xdr++;
+ // Old versions truncated the string but left the length
+ // unadjusted.
+ if (length > MAX_TEXT_SIZE)
+ length = MAX_TEXT_SIZE;
+ xdr += length;
+ // Now handle the padding
+ while ((length % 4) != 0)
+ {
+ xdr++;
+ length++;
+ //cout << "0";
+ }
+ }
+ break;
+ default:
+ // cerr << "Unknown Prop type " << id << " " << type << "\n";
+ xdr++;
+ break;
+ }
+ }
+ else {
+ // give up; this is a malformed property list.
+ return false;
+ }
+ }
+ return true;
+ }
+}
//////////////////////////////////////////////////////////////////////
//
// MultiplayMgr constructor
//////////////////////////////////////////////////////////////////////
FGMultiplayMgr::FGMultiplayMgr()
{
- m_Initialised = false;
- m_LocalPlayer = NULL;
- m_RxAddress = "0";
- m_RxPort = 0;
- m_Initialised = false;
- m_HaveServer = false;
-
- send_all_props= false;
+ mSocket = 0;
+ mInitialised = false;
+ mHaveServer = false;
} // FGMultiplayMgr::FGMultiplayMgr()
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
FGMultiplayMgr::~FGMultiplayMgr()
{
- Close();
+ Close();
} // FGMultiplayMgr::~FGMultiplayMgr()
//////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////
-// Name: getSendAll
-// Description: getter for send_all
-/////////////////////////////////////////////////////////////////////
-bool FGMultiplayMgr::getSendAllProps() {
- return send_all_props;
-}
-
-//////////////////////////////////////////////////////////////////////
-// Name: setSendAll
-// Description: setter for send_all
-/////////////////////////////////////////////////////////////////////
-void FGMultiplayMgr::setSendAllProps(bool s) {
- send_all_props = s;
-}
-
//////////////////////////////////////////////////////////////////////
//
// Initialise object
bool
FGMultiplayMgr::init (void)
{
- string TxAddress; // Destination address
- int TxPort;
-
- //////////////////////////////////////////////////
- // Initialise object if not already done
- //////////////////////////////////////////////////
- if (m_Initialised)
- {
- SG_LOG( SG_NETWORK, SG_WARN,
- "FGMultiplayMgr::init - already initialised" );
- return (false);
+ //////////////////////////////////////////////////
+ // Initialise object if not already done
+ //////////////////////////////////////////////////
+ if (mInitialised) {
+ SG_LOG(SG_NETWORK, SG_WARN, "FGMultiplayMgr::init - already initialised");
+ return false;
+ }
+ //////////////////////////////////////////////////
+ // Set members from property values
+ //////////////////////////////////////////////////
+ short rxPort = fgGetInt("/sim/multiplay/rxport");
+ string rxAddress = fgGetString("/sim/multiplay/rxhost");
+ short txPort = fgGetInt("/sim/multiplay/txport");
+ string txAddress = fgGetString("/sim/multiplay/txhost");
+ mCallsign = fgGetString("/sim/multiplay/callsign");
+ if (txPort > 0 && !txAddress.empty()) {
+ mServer.set(txAddress.c_str(), txPort);
+ if (strncmp (mServer.getHost(), "0.0.0.0", 8) == 0) {
+ mHaveServer = false;
+ SG_LOG(SG_NETWORK, SG_ALERT,
+ "FGMultiplayMgr - could not resolve '"
+ << txAddress << "', Multiplayermode disabled");
+ } else {
+ mHaveServer = true;
}
- //////////////////////////////////////////////////
- // Set members from property values
- //////////////////////////////////////////////////
- TxAddress = fgGetString ("/sim/multiplay/txhost");
- TxPort = fgGetInt ("/sim/multiplay/txport");
- m_Callsign = fgGetString ("/sim/multiplay/callsign");
- m_RxAddress = fgGetString ("/sim/multiplay/rxhost");
- m_RxPort = fgGetInt ("/sim/multiplay/rxport");
- if (m_RxPort <= 0)
- {
- m_RxPort = 5000;
- }
- if (m_Callsign == "")
- {
- // FIXME: use getpwuid
- m_Callsign = "JohnDoe";
- }
- if (m_RxAddress == "")
- {
- m_RxAddress = "127.0.0.1";
- }
- if ((TxPort > 0) && (TxAddress != ""))
- {
- m_HaveServer = true;
- m_Server.set (TxAddress.c_str(), TxPort);
- }
- SG_LOG(SG_NETWORK,SG_INFO,"FGMultiplayMgr::init-txaddress= "<<TxAddress);
- SG_LOG(SG_NETWORK,SG_INFO,"FGMultiplayMgr::init-txport= "<<TxPort );
- SG_LOG(SG_NETWORK,SG_INFO,"FGMultiplayMgr::init-rxaddress="<<m_RxAddress );
- SG_LOG(SG_NETWORK,SG_INFO,"FGMultiplayMgr::init-rxport= "<<m_RxPort);
- SG_LOG(SG_NETWORK,SG_INFO,"FGMultiplayMgr::init-callsign= "<<m_Callsign);
- m_DataSocket = new netSocket();
- if (!m_DataSocket->open(false))
- {
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::init - Failed to create data socket" );
- return (false);
- }
- m_DataSocket->setBlocking(false);
- m_DataSocket->setBroadcast(true);
- if (m_DataSocket->bind(m_RxAddress.c_str(), m_RxPort) != 0)
- {
- perror("bind");
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::Open - Failed to bind receive socket" );
- return (false);
- }
- m_LocalPlayer = new MPPlayer();
- if (!m_LocalPlayer->Open(m_RxAddress, m_RxPort, m_Callsign,
- fgGetString("/sim/model/path"), true))
- {
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::init - Failed to create local player" );
- return (false);
- }
- m_Initialised = true;
- send_all_props= true;
- return (true);
+ if (rxPort <= 0)
+ rxPort = txPort;
+ }
+ if (rxPort <= 0) {
+ SG_LOG(SG_NETWORK, SG_ALERT,
+ "FGMultiplayMgr - No receiver port, Multiplayermode disabled");
+ return (false);
+ }
+ if (mCallsign.empty())
+ mCallsign = "JohnDoe"; // FIXME: use getpwuid
+ SG_LOG(SG_NETWORK,SG_INFO,"FGMultiplayMgr::init-txaddress= "<<txAddress);
+ SG_LOG(SG_NETWORK,SG_INFO,"FGMultiplayMgr::init-txport= "<<txPort );
+ SG_LOG(SG_NETWORK,SG_INFO,"FGMultiplayMgr::init-rxaddress="<<rxAddress );
+ SG_LOG(SG_NETWORK,SG_INFO,"FGMultiplayMgr::init-rxport= "<<rxPort);
+ SG_LOG(SG_NETWORK,SG_INFO,"FGMultiplayMgr::init-callsign= "<<mCallsign);
+ Close(); // Should Init be called twice, close Socket first
+ // A memory leak was reported here by valgrind
+ mSocket = new netSocket();
+ if (!mSocket->open(false)) {
+ SG_LOG( SG_NETWORK, SG_ALERT,
+ "FGMultiplayMgr::init - Failed to create data socket" );
+ return false;
+ }
+ mSocket->setBlocking(false);
+ if (mSocket->bind(rxAddress.c_str(), rxPort) != 0) {
+ perror("bind");
+ SG_LOG( SG_NETWORK, SG_ALERT,
+ "FGMultiplayMgr::Open - Failed to bind receive socket" );
+ return false;
+ }
+ mInitialised = true;
+ return true;
} // FGMultiplayMgr::init()
//////////////////////////////////////////////////////////////////////
void
FGMultiplayMgr::Close (void)
{
- //////////////////////////////////////////////////
- // Delete local player
- //////////////////////////////////////////////////
- if (m_LocalPlayer)
- {
- delete m_LocalPlayer;
- m_LocalPlayer = NULL;
- }
- //////////////////////////////////////////////////
- // Delete any existing players
- //////////////////////////////////////////////////
- t_MPClientListIterator CurrentPlayer;
- t_MPClientListIterator P;
- CurrentPlayer = m_MPClientList.begin ();
- while (CurrentPlayer != m_MPClientList.end ())
- {
- P = CurrentPlayer;
- delete (*P);
- *P = 0;
- CurrentPlayer = m_MPClientList.erase (P);
- }
- //////////////////////////////////////////////////
- // Delete socket
- //////////////////////////////////////////////////
- if (m_DataSocket)
- {
- m_DataSocket->close();
- delete m_DataSocket;
- m_DataSocket = NULL;
- }
- m_Initialised = false;
+ mMultiPlayerMap.clear();
+
+ if (mSocket) {
+ mSocket->close();
+ delete mSocket;
+ mSocket = 0;
+ }
+ mInitialised = false;
} // FGMultiplayMgr::Close(void)
//////////////////////////////////////////////////////////////////////
// Description: Sends the position data for the local position.
//
//////////////////////////////////////////////////////////////////////
-void
-FGMultiplayMgr::SendMyPosition
- (
- const double lat, const double lon, const double alt,
- const double heading, const double roll, const double pitch,
- const double speedN, const double speedE, const double speedD,
- const double left_aileron, const double right_aileron, const double elevator, const double rudder,
- //const double rpms[6],
- const double rateH, const double rateR, const double rateP,
- const double accN, const double accE, const double accD
- )
+
+/**
+ * The buffer that holds a multi-player message, suitably aligned.
+ */
+union FGMultiplayMgr::MsgBuf
{
- T_MsgHdr MsgHdr;
- T_PositionMsg PosMsg;
- char Msg[sizeof(T_MsgHdr) + sizeof(T_PositionMsg)];
+ MsgBuf()
+ {
+ memset(&Msg, 0, sizeof(Msg));
+ }
- if ((! m_Initialised) || (! m_HaveServer))
+ T_MsgHdr* msgHdr()
{
- if (! m_Initialised)
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::SendMyPosition - not initialised" );
- if (! m_HaveServer)
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::SendMyPosition - no server" );
- return;
+ return reinterpret_cast<T_MsgHdr*>(Msg);
}
- m_LocalPlayer->SetPosition(lat, lon, alt,
- heading, roll, pitch,
- speedN, speedE, speedD,
- left_aileron, right_aileron, elevator, rudder,
- //rpms,
- rateH, rateR, rateP,
- accN, accE, accD);
- m_LocalPlayer->FillPosMsg(&MsgHdr, &PosMsg);
- memcpy(Msg, &MsgHdr, sizeof(T_MsgHdr));
- memcpy(Msg + sizeof(T_MsgHdr), &PosMsg, sizeof(T_PositionMsg));
- m_DataSocket->sendto (Msg,
- sizeof(T_MsgHdr) + sizeof(T_PositionMsg), 0, &m_Server);
- SG_LOG( SG_NETWORK, SG_DEBUG,
- "FGMultiplayMgr::SendMyPosition" );
-
-} // FGMultiplayMgr::SendMyPosition()
-//////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////
-//
-// Description: Sends the property data for the local player.
-//
-//////////////////////////////////////////////////////////////////////
-void FGMultiplayMgr::SendPropMessage (const string &property, SGPropertyNode::Type type, double value)
-
- {SG_LOG( SG_NETWORK, SG_INFO,
- "FGMultiplayMgr::Property: " << property << " Type " << type << " value " << value);
+ const T_MsgHdr* msgHdr() const
+ {
+ return reinterpret_cast<const T_MsgHdr*>(Msg);
+ }
- T_MsgHdr MsgHdr;
- T_PropertyMsg PropMsg;
- unsigned int iNextBlockPosition = 0;
- char Msg[sizeof(T_MsgHdr) + sizeof(T_PropertyMsg)];
+ T_PositionMsg* posMsg()
+ {
+ return reinterpret_cast<T_PositionMsg*>(Msg + sizeof(T_MsgHdr));
+ }
- if ((! m_Initialised) || (! m_HaveServer))
+ const T_PositionMsg* posMsg() const
{
- return;
+ return reinterpret_cast<const T_PositionMsg*>(Msg + sizeof(T_MsgHdr));
+ }
+
+ xdr_data_t* properties()
+ {
+ return reinterpret_cast<xdr_data_t*>(Msg + sizeof(T_MsgHdr)
+ + sizeof(T_PositionMsg));
+ }
+
+ const xdr_data_t* properties() const
+ {
+ return reinterpret_cast<const xdr_data_t*>(Msg + sizeof(T_MsgHdr)
+ + sizeof(T_PositionMsg));
+ }
+ /**
+ * The end of the properties buffer.
+ */
+ xdr_data_t* propsEnd()
+ {
+ return reinterpret_cast<xdr_data_t*>(Msg + MAX_PACKET_SIZE);
+ };
+
+ const xdr_data_t* propsEnd() const
+ {
+ return reinterpret_cast<const xdr_data_t*>(Msg + MAX_PACKET_SIZE);
+ };
+ /**
+ * The end of properties actually in the buffer. This assumes that
+ * the message header is valid.
+ */
+ xdr_data_t* propsRecvdEnd()
+ {
+ return reinterpret_cast<xdr_data_t*>(Msg + msgHdr()->MsgLen);
+ }
+
+ const xdr_data_t* propsRecvdEnd() const
+ {
+ return reinterpret_cast<const xdr_data_t*>(Msg + msgHdr()->MsgLen);
}
- m_LocalPlayer->FillMsgHdr(&MsgHdr, PROP_MSG_ID);
- strncpy(PropMsg.property, property.c_str(), MAX_PROPERTY_LEN);
- PropMsg.property[MAX_PROPERTY_LEN-1] = '\0';
- PropMsg.type = XDR_encode_uint32(type);
- PropMsg.val = XDR_encode_double(value);
- SG_LOG( SG_NETWORK, SG_INFO,
- "FGMultiplayMgr::sending property message: "
- << PropMsg.property << " " << PropMsg.type << " " << PropMsg.val);
+ xdr_data2_t double_val;
+ char Msg[MAX_PACKET_SIZE];
+};
+
+void
+FGMultiplayMgr::SendMyPosition(const FGExternalMotionData& motionInfo)
+{
+ if ((! mInitialised) || (! mHaveServer))
+ return;
+ if (! mHaveServer) {
+ SG_LOG( SG_NETWORK, SG_ALERT, "FGMultiplayMgr::SendMyPosition - no server");
+ return;
+ }
+
+ MsgBuf msgBuf;
+ T_PositionMsg* PosMsg = msgBuf.posMsg();
+
+ strncpy(PosMsg->Model, fgGetString("/sim/model/path"), MAX_MODEL_NAME_LEN);
+ PosMsg->Model[MAX_MODEL_NAME_LEN - 1] = '\0';
+
+ PosMsg->time = XDR_encode_double (motionInfo.time);
+ PosMsg->lag = XDR_encode_double (motionInfo.lag);
+ for (unsigned i = 0 ; i < 3; ++i)
+ PosMsg->position[i] = XDR_encode_double (motionInfo.position(i));
+ SGVec3f angleAxis;
+ motionInfo.orientation.getAngleAxis(angleAxis);
+ for (unsigned i = 0 ; i < 3; ++i)
+ PosMsg->orientation[i] = XDR_encode_float (angleAxis(i));
+ for (unsigned i = 0 ; i < 3; ++i)
+ PosMsg->linearVel[i] = XDR_encode_float (motionInfo.linearVel(i));
+ for (unsigned i = 0 ; i < 3; ++i)
+ PosMsg->angularVel[i] = XDR_encode_float (motionInfo.angularVel(i));
+ for (unsigned i = 0 ; i < 3; ++i)
+ PosMsg->linearAccel[i] = XDR_encode_float (motionInfo.linearAccel(i));
+ for (unsigned i = 0 ; i < 3; ++i)
+ PosMsg->angularAccel[i] = XDR_encode_float (motionInfo.angularAccel(i));
+
+ xdr_data_t* ptr = msgBuf.properties();
+ std::vector<FGPropertyData*>::const_iterator it;
+ it = motionInfo.properties.begin();
+ //cout << "OUTPUT PROPERTIES\n";
+ xdr_data_t* msgEnd = msgBuf.propsEnd();
+ while (it != motionInfo.properties.end() && ptr + 2 < msgEnd) {
- memcpy (Msg, &MsgHdr, sizeof(T_MsgHdr));
- memcpy (Msg + sizeof(T_MsgHdr), &PropMsg, sizeof(T_PropertyMsg));
- m_DataSocket->sendto (Msg,
- sizeof(T_MsgHdr) + sizeof(T_PropertyMsg), 0, &m_Server);
-} // FGMultiplayMgr::SendPropMessage ()
+ // First element is the ID. Write it out when we know we have room for
+ // the whole property.
+ xdr_data_t id = XDR_encode_uint32((*it)->id);
+ // The actual data representation depends on the type
+ switch ((*it)->type) {
+ case SGPropertyNode::INT:
+ case SGPropertyNode::BOOL:
+ case SGPropertyNode::LONG:
+ *ptr++ = id;
+ *ptr++ = XDR_encode_uint32((*it)->int_value);
+ //cout << "Prop:" << (*it)->id << " " << (*it)->type << " "<< (*it)->int_value << "\n";
+ break;
+ case SGPropertyNode::FLOAT:
+ case SGPropertyNode::DOUBLE:
+ *ptr++ = id;
+ *ptr++ = XDR_encode_float((*it)->float_value);
+ //cout << "Prop:" << (*it)->id << " " << (*it)->type << " "<< (*it)->float_value << "\n";
+ break;
+ case SGPropertyNode::STRING:
+ case SGPropertyNode::UNSPECIFIED:
+ {
+ // String is complicated. It consists of
+ // The length of the string
+ // The string itself
+ // Padding to the nearest 4-bytes.
+ const char* lcharptr = (*it)->string_value;
+
+ if (lcharptr != 0)
+ {
+ // Add the length
+ ////cout << "String length: " << strlen(lcharptr) << "\n";
+ uint32_t len = strlen(lcharptr);
+ if (len > MAX_TEXT_SIZE)
+ len = MAX_TEXT_SIZE;
+ // XXX This should not be using 4 bytes per character!
+ // If there's not enough room for this property, drop it
+ // on the floor.
+ if (ptr + 2 + ((len + 3) & ~3) > msgEnd)
+ goto escape;
+ //cout << "String length unint32: " << len << "\n";
+ *ptr++ = id;
+ *ptr++ = XDR_encode_uint32(len);
+ if (len != 0)
+ {
+ // Now the text itself
+ // XXX This should not be using 4 bytes per character!
+ int lcount = 0;
+ while ((*lcharptr != '\0') && (lcount < MAX_TEXT_SIZE))
+ {
+ *ptr++ = XDR_encode_int8(*lcharptr);
+ lcharptr++;
+ lcount++;
+ }
+
+ //cout << "Prop:" << (*it)->id << " " << (*it)->type << " " << len << " " << (*it)->string_value;
+
+ // Now pad if required
+ while ((lcount % 4) != 0)
+ {
+ *ptr++ = XDR_encode_int8(0);
+ lcount++;
+ //cout << "0";
+ }
+
+ //cout << "\n";
+ }
+ }
+ else
+ {
+ // Nothing to encode
+ *ptr++ = id;
+ *ptr++ = XDR_encode_uint32(0);
+ //cout << "Prop:" << (*it)->id << " " << (*it)->type << " 0\n";
+ }
+ }
+ break;
+
+ default:
+ //cout << " Unknown Type: " << (*it)->type << "\n";
+ *ptr++ = id;
+ *ptr++ = XDR_encode_float((*it)->float_value);;
+ //cout << "Prop:" << (*it)->id << " " << (*it)->type << " "<< (*it)->float_value << "\n";
+ break;
+ }
+
+ ++it;
+ }
+escape:
+ unsigned msgLen = reinterpret_cast<char*>(ptr) - msgBuf.Msg;
+ FillMsgHdr(msgBuf.msgHdr(), POS_DATA_ID, msgLen);
+ mSocket->sendto(msgBuf.Msg, msgLen, 0, &mServer);
+ SG_LOG(SG_NETWORK, SG_DEBUG, "FGMultiplayMgr::SendMyPosition");
+} // FGMultiplayMgr::SendMyPosition()
+
+//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//
//
//////////////////////////////////////////////////////////////////////
void
-FGMultiplayMgr::SendTextMessage
- (
- const string &MsgText
- ) const
+FGMultiplayMgr::SendTextMessage(const string &MsgText)
{
- T_MsgHdr MsgHdr;
- T_ChatMsg ChatMsg;
- unsigned int iNextBlockPosition = 0;
- char Msg[sizeof(T_MsgHdr) + sizeof(T_ChatMsg)];
+ if (!mInitialised || !mHaveServer)
+ return;
- if ((! m_Initialised) || (! m_HaveServer))
- {
- return;
- }
- m_LocalPlayer->FillMsgHdr(&MsgHdr, CHAT_MSG_ID);
- //////////////////////////////////////////////////
- // Divide the text string into blocks that fit
- // in the message and send the blocks.
- //////////////////////////////////////////////////
- while (iNextBlockPosition < MsgText.length())
- {
- strncpy (ChatMsg.Text,
- MsgText.substr(iNextBlockPosition, MAX_CHAT_MSG_LEN - 1).c_str(),
- MAX_CHAT_MSG_LEN);
- ChatMsg.Text[MAX_CHAT_MSG_LEN - 1] = '\0';
- memcpy (Msg, &MsgHdr, sizeof(T_MsgHdr));
- memcpy (Msg + sizeof(T_MsgHdr), &ChatMsg, sizeof(T_ChatMsg));
- m_DataSocket->sendto (Msg,
- sizeof(T_MsgHdr) + sizeof(T_ChatMsg), 0, &m_Server);
- iNextBlockPosition += MAX_CHAT_MSG_LEN - 1;
- }
+ T_MsgHdr MsgHdr;
+ FillMsgHdr(&MsgHdr, CHAT_MSG_ID);
+ //////////////////////////////////////////////////
+ // Divide the text string into blocks that fit
+ // in the message and send the blocks.
+ //////////////////////////////////////////////////
+ unsigned iNextBlockPosition = 0;
+ T_ChatMsg ChatMsg;
+
+ char Msg[sizeof(T_MsgHdr) + sizeof(T_ChatMsg)];
+ while (iNextBlockPosition < MsgText.length()) {
+ strncpy (ChatMsg.Text,
+ MsgText.substr(iNextBlockPosition, MAX_CHAT_MSG_LEN - 1).c_str(),
+ MAX_CHAT_MSG_LEN);
+ ChatMsg.Text[MAX_CHAT_MSG_LEN - 1] = '\0';
+ memcpy (Msg, &MsgHdr, sizeof(T_MsgHdr));
+ memcpy (Msg + sizeof(T_MsgHdr), &ChatMsg, sizeof(T_ChatMsg));
+ mSocket->sendto (Msg, sizeof(T_MsgHdr) + sizeof(T_ChatMsg), 0, &mServer);
+ iNextBlockPosition += MAX_CHAT_MSG_LEN - 1;
+
+ }
+
+
} // FGMultiplayMgr::SendTextMessage ()
//////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////
void
-FGMultiplayMgr::ProcessData (void)
+FGMultiplayMgr::Update(void)
{
- char Msg[MAX_PACKET_SIZE]; // Buffer for received message
- int Bytes; // Bytes received
- T_MsgHdr* MsgHdr; // Pointer to header in received data
- netAddress SenderAddress;
+ if (!mInitialised)
+ return;
- if (! m_Initialised)
- {
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::ProcessData - not initialised" );
- return;
- }
+ /// Just for expiry
+ long stamp = SGTimeStamp::now().getSeconds();
+
+ //////////////////////////////////////////////////
+ // Read the receive socket and process any data
+ //////////////////////////////////////////////////
+ int bytes;
+ do {
+ MsgBuf msgBuf;
//////////////////////////////////////////////////
- // Read the receive socket and process any data
+ // Although the recv call asks for
+ // MAX_PACKET_SIZE of data, the number of bytes
+ // returned will only be that of the next
+ // packet waiting to be processed.
//////////////////////////////////////////////////
- do {
- //////////////////////////////////////////////////
- // Although the recv call asks for
- // MAX_PACKET_SIZE of data, the number of bytes
- // returned will only be that of the next
- // packet waiting to be processed.
- //////////////////////////////////////////////////
- Bytes = m_DataSocket->recvfrom (Msg, MAX_PACKET_SIZE, 0,
- &SenderAddress);
- //////////////////////////////////////////////////
- // no Data received
- //////////////////////////////////////////////////
- if (Bytes <= 0)
- {
- if (errno != EAGAIN)
- {
- perror("FGMultiplayMgr::MP_ProcessData");
- }
- return;
- }
- if (Bytes <= (int)sizeof(MsgHdr))
- {
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::MP_ProcessData - "
+ netAddress SenderAddress;
+ bytes = mSocket->recvfrom(msgBuf.Msg, sizeof(msgBuf.Msg), 0,
+ &SenderAddress);
+ //////////////////////////////////////////////////
+ // no Data received
+ //////////////////////////////////////////////////
+ if (bytes <= 0) {
+ if (errno != EAGAIN && errno != 0) // MSVC output "NoError" otherwise
+ perror("FGMultiplayMgr::MP_ProcessData");
+ break;
+ }
+ if (bytes <= sizeof(T_MsgHdr)) {
+ SG_LOG( SG_NETWORK, SG_ALERT, "FGMultiplayMgr::MP_ProcessData - "
<< "received message with insufficient data" );
- return;
- }
- //////////////////////////////////////////////////
- // Read header
- //////////////////////////////////////////////////
- MsgHdr = (T_MsgHdr *)Msg;
- MsgHdr->Magic = XDR_decode_uint32 (MsgHdr->Magic);
- MsgHdr->Version = XDR_decode_uint32 (MsgHdr->Version);
- MsgHdr->MsgId = XDR_decode_uint32 (MsgHdr->MsgId);
- MsgHdr->MsgLen = XDR_decode_uint32 (MsgHdr->MsgLen);
- MsgHdr->ReplyPort = XDR_decode_uint32 (MsgHdr->ReplyPort);
- if (MsgHdr->Magic != MSG_MAGIC)
- {
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::MP_ProcessData - "
+ break;
+ }
+ //////////////////////////////////////////////////
+ // Read header
+ //////////////////////////////////////////////////
+ T_MsgHdr* MsgHdr = msgBuf.msgHdr();
+ MsgHdr->Magic = XDR_decode_uint32 (MsgHdr->Magic);
+ MsgHdr->Version = XDR_decode_uint32 (MsgHdr->Version);
+ MsgHdr->MsgId = XDR_decode_uint32 (MsgHdr->MsgId);
+ MsgHdr->MsgLen = XDR_decode_uint32 (MsgHdr->MsgLen);
+ MsgHdr->ReplyPort = XDR_decode_uint32 (MsgHdr->ReplyPort);
+ MsgHdr->Callsign[MAX_CALLSIGN_LEN -1] = '\0';
+ if (MsgHdr->Magic != MSG_MAGIC) {
+ SG_LOG( SG_NETWORK, SG_ALERT, "FGMultiplayMgr::MP_ProcessData - "
<< "message has invalid magic number!" );
- }
- if (MsgHdr->Version != PROTO_VER)
- {
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::MP_ProcessData - "
+ break;
+ }
+ if (MsgHdr->Version != PROTO_VER) {
+ SG_LOG( SG_NETWORK, SG_ALERT, "FGMultiplayMgr::MP_ProcessData - "
<< "message has invalid protocoll number!" );
- }
- //////////////////////////////////////////////////
- // Process the player data unless we generated it
- //////////////////////////////////////////////////
- if (m_Callsign == MsgHdr->Callsign)
- {
- return;
- }
- //////////////////////////////////////////////////
- // Process messages
- //////////////////////////////////////////////////
- switch(MsgHdr->MsgId)
- {
- case CHAT_MSG_ID:
- ProcessChatMsg ((char*) & Msg, SenderAddress);
- break;
- case POS_DATA_ID:
- ProcessPosMsg ((char*) & Msg, SenderAddress);
- break;
- case PROP_MSG_ID:
- ProcessPropMsg ((char *) & Msg, SenderAddress);
- break;
- default:
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::MP_ProcessData - "
- << "Unknown message Id received: "
- << MsgHdr->MsgId );
- break;
- } // switch
- } while (Bytes > 0);
+ break;
+ }
+ if (MsgHdr->MsgLen != bytes) {
+ SG_LOG(SG_NETWORK, SG_ALERT, "FGMultiplayMgr::MP_ProcessData - "
+ << "message from " << MsgHdr->Callsign << " has invalid length!");
+ break;
+ }
+ //////////////////////////////////////////////////
+ // Process messages
+ //////////////////////////////////////////////////
+ switch (MsgHdr->MsgId) {
+ case CHAT_MSG_ID:
+ ProcessChatMsg(msgBuf, SenderAddress);
+ break;
+ case POS_DATA_ID:
+ ProcessPosMsg(msgBuf, SenderAddress, stamp);
+ break;
+ case UNUSABLE_POS_DATA_ID:
+ case OLD_OLD_POS_DATA_ID:
+ case OLD_PROP_MSG_ID:
+ case OLD_POS_DATA_ID:
+ break;
+ default:
+ SG_LOG( SG_NETWORK, SG_ALERT, "FGMultiplayMgr::MP_ProcessData - "
+ << "Unknown message Id received: " << MsgHdr->MsgId );
+ break;
+ }
+ } while (bytes > 0);
+
+ // check for expiry
+ MultiPlayerMap::iterator it = mMultiPlayerMap.begin();
+ while (it != mMultiPlayerMap.end()) {
+ if (it->second->getLastTimestamp() + 10 < stamp) {
+ std::string name = it->first;
+ it->second->setDie(true);
+ mMultiPlayerMap.erase(it);
+ it = mMultiPlayerMap.upper_bound(name);
+ } else
+ ++it;
+ }
} // FGMultiplayMgr::ProcessData(void)
//////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////
void
-FGMultiplayMgr::ProcessPosMsg
- (
- const char *Msg,
- netAddress & SenderAddress
- )
+FGMultiplayMgr::ProcessPosMsg(const FGMultiplayMgr::MsgBuf& Msg,
+ const netAddress& SenderAddress, long stamp)
{
- T_PositionMsg* PosMsg; // Pointer to position message in received data
- T_MsgHdr* MsgHdr; // Pointer to header in received data
- bool ActivePlayer;
- struct in_addr PlayerAddress;
- int time, timeusec;
- double lat, lon, alt;
- double hdg, roll, pitch;
- double speedN, speedE, speedD;
- double left_aileron, right_aileron, elevator, rudder;
- //double rpms[6];
- double rateH, rateR, rateP;
- double accN, accE, accD;
- t_MPClientListIterator CurrentPlayer;
-
- ActivePlayer = false;
- MsgHdr = (T_MsgHdr *)Msg;
- if (MsgHdr->MsgLen < sizeof(T_MsgHdr) + sizeof(T_PositionMsg))
+ const T_MsgHdr* MsgHdr = Msg.msgHdr();
+ if (MsgHdr->MsgLen < sizeof(T_MsgHdr) + sizeof(T_PositionMsg)) {
+ SG_LOG( SG_NETWORK, SG_ALERT, "FGMultiplayMgr::MP_ProcessData - "
+ << "Position message received with insufficient data" );
+ return;
+ }
+ const T_PositionMsg* PosMsg = Msg.posMsg();
+ FGExternalMotionData motionInfo;
+ motionInfo.time = XDR_decode_double(PosMsg->time);
+ motionInfo.lag = XDR_decode_double(PosMsg->lag);
+ for (unsigned i = 0; i < 3; ++i)
+ motionInfo.position(i) = XDR_decode_double(PosMsg->position[i]);
+ SGVec3f angleAxis;
+ for (unsigned i = 0; i < 3; ++i)
+ angleAxis(i) = XDR_decode_float(PosMsg->orientation[i]);
+ motionInfo.orientation = SGQuatf::fromAngleAxis(angleAxis);
+ for (unsigned i = 0; i < 3; ++i)
+ motionInfo.linearVel(i) = XDR_decode_float(PosMsg->linearVel[i]);
+ for (unsigned i = 0; i < 3; ++i)
+ motionInfo.angularVel(i) = XDR_decode_float(PosMsg->angularVel[i]);
+ for (unsigned i = 0; i < 3; ++i)
+ motionInfo.linearAccel(i) = XDR_decode_float(PosMsg->linearAccel[i]);
+ for (unsigned i = 0; i < 3; ++i)
+ motionInfo.angularAccel(i) = XDR_decode_float(PosMsg->angularAccel[i]);
+
+
+ //cout << "INPUT MESSAGE\n";
+
+ // There was a bug in 1.9.0 and before: T_PositionMsg was 196 bytes
+ // on 32 bit architectures and 200 bytes on 64 bit, and this
+ // structure is put directly on the wire. By looking at the padding,
+ // we can sort through the mess, mostly:
+ // If padding is 0 (which is not a valid property type), then the
+ // message was produced by a new client or an old 64 bit client that
+ // happened to have 0 on the stack;
+ // Else if the property list starting with the padding word is
+ // well-formed, then the client is probably an old 32 bit client and
+ // we'll go with that;
+ // Else it is an old 64-bit client and properties start after the
+ // padding.
+ // There is a chance that we could be fooled by garbage in the
+ // padding looking like a valid property, so verifyProperties() is
+ // strict about the validity of the property values.
+ const xdr_data_t* xdr = Msg.properties();
+ if (PosMsg->pad != 0) {
+ if (verifyProperties(&PosMsg->pad, Msg.propsRecvdEnd()))
+ xdr = &PosMsg->pad;
+ else if (!verifyProperties(xdr, Msg.propsRecvdEnd()))
+ goto noprops;
+ }
+ while (xdr < Msg.propsRecvdEnd()) {
+ FGPropertyData* pData = new FGPropertyData;
+ SGPropertyNode::Type type = SGPropertyNode::UNSPECIFIED;
+
+ // First element is always the ID
+ pData->id = XDR_decode_uint32(*xdr);
+ //cout << pData->id << " ";
+ xdr++;
+
+ // Check the ID actually exists and get the type
+ const IdPropertyList* plist = findProperty(pData->id);
+
+ if (plist)
{
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::MP_ProcessData - "
- << "Position message received with insufficient data" );
- return;
- } else if (MsgHdr->MsgLen > sizeof(T_MsgHdr) + sizeof(T_PositionMsg)) {
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::MP_ProcessData - "
- << "Position message received with more data than I can handle" );
- }
- PosMsg = (T_PositionMsg *)(Msg + sizeof(T_MsgHdr));
- time = XDR_decode_uint32 (PosMsg->time);
- timeusec = XDR_decode_uint32 (PosMsg->timeusec);
- lat = XDR_decode_double (PosMsg->lat);
- lon = XDR_decode_double (PosMsg->lon);
- alt = XDR_decode_double (PosMsg->alt);
- hdg = XDR_decode_double (PosMsg->hdg);
- roll = XDR_decode_double (PosMsg->roll);
- pitch = XDR_decode_double (PosMsg->pitch);
- speedN = XDR_decode_double (PosMsg->speedN);
- speedE = XDR_decode_double (PosMsg->speedE);
- speedD = XDR_decode_double (PosMsg->speedD);
- left_aileron = XDR_decode_float (PosMsg->left_aileron);
- right_aileron = XDR_decode_float (PosMsg->right_aileron);
- elevator = XDR_decode_float (PosMsg->elevator);
- rudder = XDR_decode_float (PosMsg->rudder);
- /*for (int i = 0; i < 6; i++) {
- rpms[i] = XDR_decode_float (PosMsg->rpms[i]);
- }*/
- rateH = XDR_decode_float (PosMsg->rateH);
- rateR = XDR_decode_float (PosMsg->rateR);
- rateP = XDR_decode_float (PosMsg->rateP);
- accN = XDR_decode_float (PosMsg->accN);
- accE = XDR_decode_float (PosMsg->accE);
- accD = XDR_decode_float (PosMsg->accD);
+ pData->type = plist->type;
+ // How we decode the remainder of the property depends on the type
+ switch (pData->type) {
+ case SGPropertyNode::INT:
+ case SGPropertyNode::BOOL:
+ case SGPropertyNode::LONG:
+ pData->int_value = XDR_decode_uint32(*xdr);
+ xdr++;
+ //cout << pData->int_value << "\n";
+ break;
+ case SGPropertyNode::FLOAT:
+ case SGPropertyNode::DOUBLE:
+ pData->float_value = XDR_decode_float(*xdr);
+ xdr++;
+ //cout << pData->float_value << "\n";
+ break;
+ case SGPropertyNode::STRING:
+ case SGPropertyNode::UNSPECIFIED:
+ {
+ // String is complicated. It consists of
+ // The length of the string
+ // The string itself
+ // Padding to the nearest 4-bytes.
+ uint32_t length = XDR_decode_uint32(*xdr);
+ xdr++;
+ //cout << length << " ";
+ // Old versions truncated the string but left the length unadjusted.
+ if (length > MAX_TEXT_SIZE)
+ length = MAX_TEXT_SIZE;
+ pData->string_value = new char[length + 1];
+ //cout << " String: ";
+ for (int i = 0; i < length; i++)
+ {
+ pData->string_value[i] = (char) XDR_decode_int8(*xdr);
+ xdr++;
+ //cout << pData->string_value[i];
+ }
- //////////////////////////////////////////////////
- // Check if the player is already in the game
- // by using the Callsign
- //////////////////////////////////////////////////
- for (CurrentPlayer = m_MPClientList.begin ();
- CurrentPlayer != m_MPClientList.end ();
- CurrentPlayer++)
+ pData->string_value[length] = '\0';
+
+ // Now handle the padding
+ while ((length % 4) != 0)
+ {
+ xdr++;
+ length++;
+ //cout << "0";
+ }
+ //cout << "\n";
+ }
+ break;
+
+ default:
+ pData->float_value = XDR_decode_float(*xdr);
+ SG_LOG(SG_NETWORK, SG_ALERT, "Unknown Prop type " << pData->id << " " << pData->type);
+ xdr++;
+ break;
+ }
+
+ motionInfo.properties.push_back(pData);
+ }
+ else
{
- if ((*CurrentPlayer)->CompareCallsign(MsgHdr->Callsign))
- {
- // Player found. Update the data for the player if the timestamp is OK
- if ((*CurrentPlayer)->CheckTime(time, timeusec))
- (*CurrentPlayer)->SetPosition(lat, lon, alt,
- hdg, roll, pitch,
- speedN, speedE, speedD,
- left_aileron, right_aileron, elevator, rudder,
- //rpms,
- rateH, rateR, rateP,
- accN, accE, accD
- );
- ActivePlayer = true;
- }
- } // for (...)
- if (ActivePlayer)
- { // nothing more to do
- return;
+ // We failed to find the property. We'll try the next packet immediately.
+ SG_LOG(SG_NETWORK, SG_INFO, "FGMultiplayMgr::ProcessPosMsg - "
+ "message from " << MsgHdr->Callsign << " has unknown property id "
+ << pData->id);
}
- //////////////////////////////////////////////////
- // Player not active, so add as new player
- //////////////////////////////////////////////////
- MPPlayer* NewPlayer;
- NewPlayer = new MPPlayer;
- NewPlayer->Open(SenderAddress.getHost(), MsgHdr->ReplyPort,
- MsgHdr->Callsign, PosMsg->Model, false);
- if (NewPlayer->CheckTime(time, timeusec))
- NewPlayer->SetPosition(lat, lon, alt,
- hdg, roll, pitch,
- speedN, speedE, speedD,
- left_aileron, right_aileron, elevator, rudder,
- //rpms,
- rateH, rateR, rateP,
- accN, accE, accD);
- m_MPClientList.push_back (NewPlayer);
-
- // if we have a new player then we need to send all our properties
- send_all_props = true;
-
+ }
+ noprops:
+ FGAIMultiplayer* mp = getMultiplayer(MsgHdr->Callsign);
+ if (!mp)
+ mp = addMultiplayer(MsgHdr->Callsign, PosMsg->Model);
+ mp->addMotionInfo(motionInfo, stamp);
} // FGMultiplayMgr::ProcessPosMsg()
//////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////
void
-FGMultiplayMgr::ProcessChatMsg
- (
- const char *Msg,
- netAddress & SenderAddress
- )
+FGMultiplayMgr::ProcessChatMsg(const MsgBuf& Msg,
+ const netAddress& SenderAddress)
{
- T_ChatMsg* ChatMsg; // Pointer to chat message in received data
- T_MsgHdr* MsgHdr; // Pointer to header in received data
+ const T_MsgHdr* MsgHdr = Msg.msgHdr();
+ if (MsgHdr->MsgLen < sizeof(T_MsgHdr) + 1) {
+ SG_LOG( SG_NETWORK, SG_ALERT, "FGMultiplayMgr::MP_ProcessData - "
+ << "Chat message received with insufficient data" );
+ return;
+ }
+
+ char *chatStr = new char[MsgHdr->MsgLen - sizeof(T_MsgHdr)];
+ strncpy(chatStr,
+ (reinterpret_cast<const T_ChatMsg *>(Msg.Msg + sizeof(T_MsgHdr)))
+ ->Text,
+ MsgHdr->MsgLen - sizeof(T_MsgHdr));
+ chatStr[MsgHdr->MsgLen - sizeof(T_MsgHdr) - 1] = '\0';
+
+ const T_ChatMsg* ChatMsg
+ = reinterpret_cast<const T_ChatMsg *>(Msg.Msg + sizeof(T_MsgHdr));
+ SG_LOG (SG_NETWORK, SG_WARN, "Chat [" << MsgHdr->Callsign << "]"
+ << " " << chatStr);
- MsgHdr = (T_MsgHdr *)Msg;
- if (MsgHdr->MsgLen < sizeof(T_MsgHdr) + 1)
- {
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::MP_ProcessData - "
- << "Chat message received with insufficient data" );
- return;
- }
-
- char *MsgBuf = new char[MsgHdr->MsgLen - sizeof(T_MsgHdr)];
- strncpy(MsgBuf, ((T_ChatMsg *)(Msg + sizeof(T_MsgHdr)))->Text, MsgHdr->MsgLen - sizeof(T_MsgHdr));
- MsgBuf[MsgHdr->MsgLen - sizeof(T_MsgHdr) - 1] = '\0';
-
- ChatMsg = (T_ChatMsg *)(Msg + sizeof(T_MsgHdr));
- SG_LOG ( SG_NETWORK, SG_ALERT,
- "Chat [" << MsgHdr->Callsign << "]" << " " << MsgBuf << endl);
- delete [] MsgBuf;
+ delete [] chatStr;
} // FGMultiplayMgr::ProcessChatMsg ()
//////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////
-//
-// handle a property message
-//
-//////////////////////////////////////////////////////////////////////
-void FGMultiplayMgr::ProcessPropMsg ( const char *Msg, netAddress & SenderAddress )
+void
+FGMultiplayMgr::FillMsgHdr(T_MsgHdr *MsgHdr, int MsgId, unsigned _len)
{
- T_PropertyMsg* PropMsg; // Pointer to the message itself
- T_MsgHdr* MsgHdr; // Pointer to the message header
- t_MPClientListIterator CurrentPlayer;
-
- MsgHdr = (T_MsgHdr *) Msg;
-
- if (MsgHdr->MsgLen < sizeof(T_MsgHdr) + sizeof(T_PropertyMsg)) {
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::MP_ProcessData - "
- << "Properties message received with insufficient data" );
- return;
- } else if (MsgHdr->MsgLen > sizeof(T_MsgHdr) + sizeof(T_PropertyMsg)) {
- SG_LOG( SG_NETWORK, SG_ALERT,
- "FGMultiplayMgr::MP_ProcessData - "
- << "Properties message received with more data than I know how to handle" );
- return;
- }
-
- PropMsg = (T_PropertyMsg *)(Msg + sizeof(T_MsgHdr));
-
- //////////////////////////////////////////////////
- // Check if the player is already in the game
- // by using the Callsign, but don't activate
- // new players (they need to send a position
- // message)
- //////////////////////////////////////////////////
- for (CurrentPlayer = m_MPClientList.begin ();
- CurrentPlayer != m_MPClientList.end ();
- CurrentPlayer++)
- {
- if ((*CurrentPlayer)->CompareCallsign(MsgHdr->Callsign))
- {
- // Player found. Update the data for the player.
- (*CurrentPlayer)->SetProperty(PropMsg->property,
- (SGPropertyNode::Type) XDR_decode_uint32(PropMsg->type),
- XDR_decode_double(PropMsg->val));
- SG_LOG( SG_NETWORK, SG_INFO,
- "FGMultiplayMgr::MP_ProcessData - "
- << PropMsg->property
- << (SGPropertyNode::Type) XDR_decode_uint32(PropMsg->type)
- << XDR_decode_double(PropMsg->val) );
- }
- } // for (...)
+ uint32_t len;
+ switch (MsgId) {
+ case CHAT_MSG_ID:
+ len = sizeof(T_MsgHdr) + sizeof(T_ChatMsg);
+ break;
+ case POS_DATA_ID:
+ len = _len;
+ break;
+ default:
+ len = sizeof(T_MsgHdr);
+ break;
+ }
+ MsgHdr->Magic = XDR_encode_uint32(MSG_MAGIC);
+ MsgHdr->Version = XDR_encode_uint32(PROTO_VER);
+ MsgHdr->MsgId = XDR_encode_uint32(MsgId);
+ MsgHdr->MsgLen = XDR_encode_uint32(len);
+ MsgHdr->ReplyAddress = 0; // Are obsolete, keep them for the server for
+ MsgHdr->ReplyPort = 0; // now
+ strncpy(MsgHdr->Callsign, mCallsign.c_str(), MAX_CALLSIGN_LEN);
+ MsgHdr->Callsign[MAX_CALLSIGN_LEN - 1] = '\0';
}
-//////////////////////////////////////////////////////////////////////
-//
-// For each active player, tell the player object
-// to update its position on the scene. If a player object
-// returns status information indicating that it has not
-// had an update for some time then the player is deleted.
-//
-//////////////////////////////////////////////////////////////////////
-void
-FGMultiplayMgr::Update (void)
+FGAIMultiplayer*
+FGMultiplayMgr::addMultiplayer(const std::string& callsign,
+ const std::string& modelName)
{
- MPPlayer::TPlayerDataState ePlayerDataState;
- t_MPClientListIterator CurrentPlayer;
+ if (0 < mMultiPlayerMap.count(callsign))
+ return mMultiPlayerMap[callsign].get();
- CurrentPlayer = m_MPClientList.begin ();
- while (CurrentPlayer != m_MPClientList.end ())
- {
- ePlayerDataState = (*CurrentPlayer)->Draw();
- //////////////////////////////////////////////////
- // If the player has not received an update for
- // some time then assume that the player has quit.
- //////////////////////////////////////////////////
- if (ePlayerDataState == MPPlayer::PLAYER_DATA_EXPIRED)
- {
- SG_LOG( SG_NETWORK, SG_ALERT, "FGMultiplayMgr::Update - "
- << "Deleting player from game. Callsign: "
- << (*CurrentPlayer)->Callsign() );
- t_MPClientListIterator P;
- P = CurrentPlayer;
- delete (*P);
- *P = 0;
- CurrentPlayer = m_MPClientList.erase (P);
- }
- else CurrentPlayer++;
- }
-} // FGMultiplayMgr::Update()
-//////////////////////////////////////////////////////////////////////
+ FGAIMultiplayer* mp = new FGAIMultiplayer;
+ mp->setPath(modelName.c_str());
+ mp->setCallSign(callsign);
+ mMultiPlayerMap[callsign] = mp;
+
+ FGAIManager *aiMgr = (FGAIManager*)globals->get_subsystem("ai_model");
+ if (aiMgr) {
+ aiMgr->attach(mp);
+
+ /// FIXME: that must follow the attach ATM ...
+ for (unsigned i = 0; i < numProperties; ++i)
+ mp->addPropertyId(sIdPropertyList[i].id, sIdPropertyList[i].name);
+ }
-#endif // FG_MPLAYER_AS
+ return mp;
+}
+FGAIMultiplayer*
+FGMultiplayMgr::getMultiplayer(const std::string& callsign)
+{
+ if (0 < mMultiPlayerMap.count(callsign))
+ return mMultiPlayerMap[callsign].get();
+ else
+ return 0;
+}
projects / flightgear.git / blobdiff