bool CNullModem::ServerConnect() {
// check if a connection is available.
clientsocket=serversocket->Accept();
if (!clientsocket) return false;
Bit8u peeripbuf[16];
clientsocket->GetRemoteAddressString(peeripbuf);
LOG_MSG("Serial%d: A client (%s) has connected.",(int)COMNUMBER,peeripbuf);
#if SERIAL_DEBUG
log_ser(dbg_aux,"Nullmodem: A client (%s) has connected.", peeripbuf);
#endif
/* FIXME: It would be nice if the SDL net library had a bind() call to bind only to a specific interface.
* Or maybe it does... what am I missing? */
if (!nonlocal && strcmp((char*)peeripbuf,"127.0.0.1") != 0) {
LOG_MSG("Serial%d: Non-localhost client (%s) dropped by nonlocal:0 policy. To accept connections from network, set nonlocal:1",(int)COMNUMBER,peeripbuf);
delete clientsocket;
clientsocket = NULL;
return false;
}
clientsocket->SetSendBufferSize(256);
rx_state=N_RX_IDLE;
setEvent(SERIAL_POLLING_EVENT, 1);
// we don't accept further connections
delete serversocket;
serversocket=0;
// transmit the line status
setRTSDTR(getRTS(), getDTR());
if (transparent) setCD(true);
return true;
}
void CSerialDummy::setDTR(bool val) {
#ifdef CHECKIT_TESTPLUG
setDSR(val);
setRI(val);
setCD(val);
#endif
}
void CDirectSerial::updateMSR () {
int new_status = SERIAL_getmodemstatus(comport);
setCTS(new_status&SERIAL_CTS? true:false);
setDSR(new_status&SERIAL_DSR? true:false);
setRI(new_status&SERIAL_RI? true:false);
setCD(new_status&SERIAL_CD? true:false);
}
CSerialDummy::CSerialDummy(Bitu id, CommandLine* cmd):CSerial(id, cmd) {
CSerial::Init_Registers();
setRI(false);
setDSR(false);
setCD(false);
setCTS(false);
InstallationSuccessful=true;
}
CSerialLog::CSerialLog(Bitu id, CommandLine* cmd):CSerial(id, cmd) {
CSerial::Init_Registers();
// DSR+CTS on to make sure the DOS COM device will not get stuck waiting for them
setRI(false);
setCD(false);
setDSR(true);
setCTS(true);
InstallationSuccessful=true;
}
bool CNullModem::ServerListen() {
// Start the server listen port.
serversocket = new TCPServerSocket(serverport);
if (!serversocket->isopen) return false;
LOG_MSG("Serial%d: Nullmodem server waiting for connection on port %d...",
COMNUMBER,serverport);
setEvent(SERIAL_SERVER_POLLING_EVENT, 50);
setCD(false);
return true;
}
bool CNullModem::ClientConnect(TCPClientSocket* newsocket) {
Bit8u peernamebuf[16];
clientsocket = newsocket;
if (!clientsocket->isopen) {
LOG_MSG("Serial%d: Connection failed.",COMNUMBER);
delete clientsocket;
clientsocket=0;
setCD(false);
return false;
}
clientsocket->SetSendBufferSize(256);
clientsocket->GetRemoteAddressString(peernamebuf);
// transmit the line status
if (!transparent) setRTSDTR(getRTS(), getDTR());
rx_state=N_RX_IDLE;
LOG_MSG("Serial%d: Connected to %s",COMNUMBER,peernamebuf);
setEvent(SERIAL_POLLING_EVENT, 1);
setCD(true);
return true;
}
void CDirectSerial::updateMSR () {
DWORD dptr = 0;
if (!GetCommModemStatus (hCom, &dptr)) {
#ifdef SERIALPORT_DEBUGMSG
// LOG_MSG ("Serial port at %x: GetCommModemStatus failed!", base);
#endif
//return;
}
setCTS((dptr & MS_CTS_ON)!=0);
setDSR((dptr & MS_DSR_ON)!=0);
setRI ((dptr & MS_RING_ON)!=0);
setCD((dptr & MS_RLSD_ON)!=0);
}
void CNullModem::Disconnect() {
removeEvent(SERIAL_POLLING_EVENT);
removeEvent(SERIAL_RX_EVENT);
// it was disconnected; free the socket and restart the server socket
LOG_MSG("Serial%d: Disconnected.",COMNUMBER);
delete clientsocket;
clientsocket=0;
setDSR(false);
setCTS(false);
setCD(false);
if (serverport) {
serversocket = new TCPServerSocket(serverport);
if (serversocket->isopen)
setEvent(SERIAL_SERVER_POLLING_EVENT, 50);
else delete serversocket;
} else if (dtrrespect) {
setEvent(SERIAL_NULLMODEM_DTR_EVENT,50);
DTR_delta = getDTR(); // try to reconnect the next time DTR is set
}
}
bool CNullModem::ServerConnect() {
// check if a connection is available.
clientsocket=serversocket->Accept();
if (!clientsocket) return false;
Bit8u peeripbuf[16];
clientsocket->GetRemoteAddressString(peeripbuf);
LOG_MSG("Serial%d: A client (%s) has connected.",COMNUMBER,peeripbuf);
#if SERIAL_DEBUG
log_ser(dbg_aux,"Nullmodem: A client (%s) has connected.", peeripbuf);
#endif
clientsocket->SetSendBufferSize(256);
rx_state=N_RX_IDLE;
setEvent(SERIAL_POLLING_EVENT, 1);
// we don't accept further connections
delete serversocket;
serversocket=0;
// transmit the line status
setRTSDTR(getRTS(), getDTR());
if (transparent) setCD(true);
return true;
}
bool ResourceManager::init() {
uint32 i, j;
// Until proven differently, assume we're on CD 1. This is so the start
// dialog will be able to play any music at all.
setCD(1);
// We read in the resource info which tells us the names of the
// resource cluster files ultimately, although there might be groups
// within the clusters at this point it makes no difference. We only
// wish to know what resource files there are and what is in each
Common::File file;
if (!file.open("resource.inf")) {
GUIErrorMessage("Broken Sword II: Cannot open resource.inf");
return false;
}
// The resource.inf file is a simple text file containing the names of
// all the resource files.
while (1) {
char *buf = _resFiles[_totalClusters].fileName;
uint len = sizeof(_resFiles[_totalClusters].fileName);
if (!file.readLine(buf, len))
break;
int pos = strlen(buf);
if (buf[pos - 1] == 0x0A)
buf[pos - 1] = 0;
_resFiles[_totalClusters].numEntries = -1;
_resFiles[_totalClusters].entryTab = NULL;
if (++_totalClusters >= MAX_res_files) {
GUIErrorMessage("Broken Sword II: Too many entries in resource.inf");
return false;
}
}
file.close();
// Now load in the binary id to res conversion table
if (!file.open("resource.tab")) {
GUIErrorMessage("Broken Sword II: Cannot open resource.tab");
return false;
}
// Find how many resources
uint32 size = file.size();
_totalResFiles = size / 4;
// Table seems ok so malloc some space
_resConvTable = (uint16 *)malloc(size);
for (i = 0; i < size / 2; i++)
_resConvTable[i] = file.readUint16LE();
if (file.eos() || file.err()) {
file.close();
GUIErrorMessage("Broken Sword II: Cannot read resource.tab");
return false;
}
file.close();
// Check that we have cd.inf file, unless we are running PSX
// version, which has all files on one disc.
if (!file.open("cd.inf") && !Sword2Engine::isPsx()) {
GUIErrorMessage("Broken Sword II: Cannot open cd.inf");
return false;
}
CdInf *cdInf = new CdInf[_totalClusters];
for (i = 0; i < _totalClusters; i++) {
if (Sword2Engine::isPsx()) { // We are running PSX version, artificially fill CdInf structure
cdInf[i].cd = CD1;
} else { // We are running PC version, read cd.inf file
file.read(cdInf[i].clusterName, sizeof(cdInf[i].clusterName));
cdInf[i].cd = file.readByte();
if (file.eos() || file.err()) {
delete[] cdInf;
file.close();
GUIErrorMessage("Broken Sword II: Cannot read cd.inf");
return false;
}
}
// It has been reported that there are two different versions
// of the cd.inf file: One where all clusters on CD also have
// the LOCAL_CACHE bit set. This bit is no longer used. To
// avoid future problems, let's normalize the flag once and for
// all here.
if (cdInf[i].cd & LOCAL_PERM)
cdInf[i].cd = 0;
else if (cdInf[i].cd & CD1)
cdInf[i].cd = 1;
else if (cdInf[i].cd & CD2)
cdInf[i].cd = 2;
else
cdInf[i].cd = 0;
// Any file on "CD 0" may be needed at all times. Verify that
// it exists. Any other missing cluster will be requested with
// an "insert CD" message. Of course, the file may still vanish
// during game-play (oh, that wascally wabbit!) in which case
// the resource manager will print a fatal error.
if (cdInf[i].cd == 0 && !Common::File::exists((char *)cdInf[i].clusterName)) {
GUIErrorMessage("Broken Sword II: Cannot find " + Common::String((char *)cdInf[i].clusterName));
delete[] cdInf;
return false;
}
}
file.close();
// We check the presence of resource files in cd.inf
// This is ok in PC version, but in PSX version we don't
// have cd.inf so we'll have to skip this.
if (!Sword2Engine::isPsx()) {
for (i = 0; i < _totalClusters; i++) {
for (j = 0; j < _totalClusters; j++) {
if (scumm_stricmp((char *)cdInf[j].clusterName, _resFiles[i].fileName) == 0)
break;
}
if (j == _totalClusters) {
delete[] cdInf;
GUIErrorMessage(Common::String(_resFiles[i].fileName) + " is not in cd.inf");
return false;
}
_resFiles[i].cd = cdInf[j].cd;
}
}
delete[] cdInf;
debug(1, "%d resources in %d cluster files", _totalResFiles, _totalClusters);
for (i = 0; i < _totalClusters; i++)
debug(2, "filename of cluster %d: -%s (%d)", i, _resFiles[i].fileName, _resFiles[i].cd);
_resList = (Resource *)malloc(_totalResFiles * sizeof(Resource));
for (i = 0; i < _totalResFiles; i++) {
_resList[i].ptr = NULL;
_resList[i].size = 0;
_resList[i].refCount = 0;
_resList[i].prev = _resList[i].next = NULL;
}
return true;
}
/**
* Returns the address of a resource. Loads if not in memory. Retains a count.
*/
byte *ResourceManager::openResource(uint32 res, bool dump) {
assert(res < _totalResFiles);
// FIXME: In PSX edition, not all top menu icons are present (TOP menu is not used).
// Though, at present state, the engine still ask for the resources.
if (Sword2Engine::isPsx()) { // We need to "rewire" missing icons
if (res == 342) res = 364; // Rewire RESTORE ICON to SAVE ICON
}
// Is the resource in memory already? If not, load it.
if (!_resList[res].ptr) {
// Fetch the correct file and read in the correct portion.
uint16 cluFileNum = _resConvTable[res * 2]; // points to the number of the ascii filename
assert(cluFileNum != 0xffff);
// Relative resource within the file
// First we have to find the file via the _resConvTable
uint16 actual_res = _resConvTable[(res * 2) + 1];
debug(5, "openResource %s res %d", _resFiles[cluFileNum].fileName, res);
// If we're loading a cluster that's only available from one
// of the CDs, remember which one so that we can play the
// correct speech and music.
if (Sword2Engine::isPsx()) // We have only one disk in PSX version
setCD(CD1);
else
setCD(_resFiles[cluFileNum].cd);
// Actually, as long as the file can be found we don't really
// care which CD it's on. But if we can't find it, keep asking
// for the CD until we do.
Common::File *file = openCluFile(cluFileNum);
if (_resFiles[cluFileNum].entryTab == NULL) {
// we didn't read from this file before, get its index table
readCluIndex(cluFileNum, file);
}
assert(_resFiles[cluFileNum].entryTab);
uint32 pos = _resFiles[cluFileNum].entryTab[actual_res * 2 + 0];
uint32 len = _resFiles[cluFileNum].entryTab[actual_res * 2 + 1];
file->seek(pos, SEEK_SET);
debug(6, "res len %d", len);
// Ok, we know the length so try and allocate the memory.
_resList[res].ptr = _vm->_memory->memAlloc(len, res);
_resList[res].size = len;
_resList[res].refCount = 0;
file->read(_resList[res].ptr, len);
debug(3, "Loaded resource '%s' (%d) from '%s' on CD %d (%d)", fetchName(_resList[res].ptr), res, _resFiles[cluFileNum].fileName, getCD(), _resFiles[cluFileNum].cd);
if (dump) {
char buf[256];
const char *tag;
switch (fetchType(_resList[res].ptr)) {
case ANIMATION_FILE:
tag = "anim";
break;
case SCREEN_FILE:
tag = "layer";
break;
case GAME_OBJECT:
tag = "object";
break;
case WALK_GRID_FILE:
tag = "walkgrid";
break;
case GLOBAL_VAR_FILE:
tag = "globals";
break;
case PARALLAX_FILE_null:
tag = "parallax"; // Not used!
break;
case RUN_LIST:
tag = "runlist";
break;
case TEXT_FILE:
tag = "text";
break;
case SCREEN_MANAGER:
tag = "screen";
break;
case MOUSE_FILE:
tag = "mouse";
break;
case WAV_FILE:
tag = "wav";
break;
case ICON_FILE:
tag = "icon";
break;
case PALETTE_FILE:
tag = "palette";
break;
default:
tag = "unknown";
break;
}
sprintf(buf, "dumps/%s-%d.dmp", tag, res);
if (!Common::File::exists(buf)) {
Common::DumpFile out;
if (out.open(buf))
out.write(_resList[res].ptr, len);
}
}
// close the cluster
file->close();
delete file;
_usedMem += len;
checkMemUsage();
} else if (_resList[res].refCount == 0)
removeFromCacheList(_resList + res);
_resList[res].refCount++;
return _resList[res].ptr;
}
void CSerialLog::setDTR(bool val) {
setDSR(val);
setRI(val);
setCD(val);
}
CNullModem::CNullModem(Bitu id, CommandLine* cmd):CSerial (id, cmd) {
Bitu temptcpport=23;
memset(&telClient, 0, sizeof(telClient));
InstallationSuccessful = false;
serversocket = 0;
clientsocket = 0;
serverport = 0;
clientport = 0;
rx_retry = 0;
rx_retry_max = 20;
rx_state=N_RX_DISC;
tx_gather = 12;
dtrrespect=false;
tx_block=false;
receiveblock=false;
transparent=false;
telnet=false;
Bitu bool_temp=0;
// usedtr: The nullmodem will
// 1) when it is client connect to the server not immediately but
// as soon as a modem-aware application is started (DTR is switched on).
// 2) only receive data when DTR is on.
if (getBituSubstring("usedtr:", &bool_temp, cmd)) {
if (bool_temp==1) {
dtrrespect=true;
transparent=true;
DTR_delta=false; // connect immediately when DTR is already 1
}
}
// transparent: don't add additional handshake control.
if (getBituSubstring("transparent:", &bool_temp, cmd)) {
if (bool_temp==1) transparent=true;
else transparent=false;
}
// telnet: interpret telnet commands.
if (getBituSubstring("telnet:", &bool_temp, cmd)) {
if (bool_temp==1) {
transparent=true;
telnet=true;
}
}
// rxdelay: How many milliseconds to wait before causing an
// overflow when the application is unresponsive.
if (getBituSubstring("rxdelay:", &rx_retry_max, cmd)) {
if (!(rx_retry_max<=10000)) {
rx_retry_max=50;
}
}
// txdelay: How many milliseconds to wait before sending data.
// This reduces network overhead quite a lot.
if (getBituSubstring("txdelay:", &tx_gather, cmd)) {
if (!(tx_gather<=500)) {
tx_gather=12;
}
}
// port is for both server and client
if (getBituSubstring("port:", &temptcpport, cmd)) {
if (!(temptcpport>0&&temptcpport<65536)) {
temptcpport=23;
}
}
// socket inheritance (client-alike)
if (getBituSubstring("inhsocket:", &bool_temp, cmd)) {
#ifdef NATIVESOCKETS
if (Netwrapper_GetCapabilities()&NETWRAPPER_TCP_NATIVESOCKET) {
if (bool_temp==1) {
int sock;
if (control->cmdline->FindInt("-socket",sock,true)) {
dtrrespect=false;
transparent=true;
LOG_MSG("Inheritance socket handle: %d",sock);
if (!ClientConnect(new TCPClientSocket(sock)))
return;
} else {
LOG_MSG("Serial%d: -socket parameter missing.",COMNUMBER);
return;
}
}
} else {
LOG_MSG("Serial%d: socket inheritance not supported on this platform.",
COMNUMBER);
return;
}
#else
LOG_MSG("Serial%d: socket inheritance not available.", COMNUMBER);
#endif
} else {
// normal server/client
std::string tmpstring;
if (cmd->FindStringBegin("server:",tmpstring,false)) {
// we are a client
const char* hostnamechar=tmpstring.c_str();
size_t hostlen=strlen(hostnamechar)+1;
if (hostlen>sizeof(hostnamebuffer)) {
hostlen=sizeof(hostnamebuffer);
hostnamebuffer[sizeof(hostnamebuffer)-1]=0;
}
memcpy(hostnamebuffer,hostnamechar,hostlen);
clientport=(Bit16u)temptcpport;
if (dtrrespect) {
// we connect as soon as DTR is switched on
setEvent(SERIAL_NULLMODEM_DTR_EVENT, 50);
LOG_MSG("Serial%d: Waiting for DTR...",COMNUMBER);
} else if (!ClientConnect(
new TCPClientSocket((char*)hostnamebuffer,(Bit16u)clientport)))
return;
} else {
// we are a server
serverport = (Bit16u)temptcpport;
if (!ServerListen()) return;
}
}
CSerial::Init_Registers();
InstallationSuccessful = true;
setCTS(dtrrespect||transparent);
setDSR(dtrrespect||transparent);
setRI(false);
setCD(clientsocket > 0); // CD on if connection established
}
