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MULTIPSK.c
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MULTIPSK.c
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/*
Copyright 2001-2015 John Wiseman G8BPQ
This file is part of LinBPQ/BPQ32.
LinBPQ/BPQ32 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 3 of the License, or
(at your option) any later version.
LinBPQ/BPQ32 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with LinBPQ/BPQ32. If not, see http://www.gnu.org/licenses
*/
//
// DLL to provide interface to allow G8BPQ switch to use MultoPSK ALE400 Mode
//
// Uses BPQ EXTERNAL interface
//
#define _CRT_SECURE_NO_DEPRECATE
#define _CRT_SECURE_NO_DEPRECATE
#define _USE_32BIT_TIME_T
#include "CHeaders.h"
#include <stdio.h>
#include <time.h>
#include "tncinfo.h"
#include "bpq32.h"
#define VERSION_MAJOR 2
#define VERSION_MINOR 0
#define SD_RECEIVE 0x00
#define SD_SEND 0x01
#define SD_BOTH 0x02
#define TIMESTAMP 352
#define CONTIMEOUT 1200
#define AGWHDDRLEN sizeof(struct AGWHEADER)
unsigned long _beginthread( void( *start_address )(), unsigned stack_size, int arglist);
extern int (WINAPI FAR *GetModuleFileNameExPtr)();
//int ResetExtDriver(int num);
extern char * PortConfig[33];
struct TNCINFO * TNCInfo[34]; // Records are Malloc'd
static void ConnecttoMPSKThread(int port);
void CreateMHWindow();
int Update_MH_List(struct in_addr ipad, char * call, char proto);
static int ConnecttoMPSK();
static int ProcessReceivedData(int bpqport);
static ProcessLine(char * buf, int Port);
int KillTNC(struct TNCINFO * TNC);
int RestartTNC(struct TNCINFO * TNC);
VOID ProcessMPSKPacket(struct TNCINFO * TNC, char * Message, int Len);
struct TNCINFO * GetSessionKey(char * key, struct TNCINFO * TNC);
static VOID SendData(struct TNCINFO * TNC, char * Msg, int MsgLen);
static VOID DoMonitorHddr(struct TNCINFO * TNC, struct AGWHEADER * RXHeader, UCHAR * Msg);
VOID SendRPBeacon(struct TNCINFO * TNC);
char * strlop(char * buf, char delim);
extern UCHAR BPQDirectory[];
#define MAXBPQPORTS 32
#define MAXMPSKPORTS 16
//LOGFONT LFTTYFONT ;
//HFONT hFont ;
static int MPSKChannel[MAXBPQPORTS+1]; // BPQ Port to MPSK Port
static int BPQPort[MAXMPSKPORTS][MAXBPQPORTS+1]; // MPSK Port and Connection to BPQ Port
static int MPSKtoBPQ_Q[MAXBPQPORTS+1]; // Frames for BPQ, indexed by BPQ Port
static int BPQtoMPSK_Q[MAXBPQPORTS+1]; // Frames for MPSK. indexed by MPSK port. Only used it TCP session is blocked
static int MasterPort[MAXBPQPORTS+1]; // Pointer to first BPQ port for a specific MPSK host
// Each port may be on a different machine. We only open one connection to each MPSK instance
static char * MPSKSignon[MAXBPQPORTS+1]; // Pointer to message for secure signin
static unsigned int MPSKInst = 0;
static int AttachedProcesses=0;
static HWND hResWnd,hMHWnd;
static BOOL GotMsg;
static HANDLE STDOUT=0;
//SOCKET sock;
static SOCKADDR_IN sinx;
static SOCKADDR_IN rxaddr;
static SOCKADDR_IN destaddr[MAXBPQPORTS+1];
static int addrlen=sizeof(sinx);
//static short MPSKPort=0;
static time_t ltime,lasttime[MAXBPQPORTS+1];
static BOOL CONNECTING[MAXBPQPORTS+1];
static BOOL CONNECTED[MAXBPQPORTS+1];
//HANDLE hInstance;
static fd_set readfs;
static fd_set writefs;
static fd_set errorfs;
static struct timeval timeout;
#ifndef LINBPQ
static BOOL CALLBACK EnumTNCWindowsProc(HWND hwnd, LPARAM lParam)
{
char wtext[200];
struct TNCINFO * TNC = (struct TNCINFO *)lParam;
UINT ProcessId;
char FN[MAX_PATH] = "";
if (TNC->ProgramPath == NULL)
return FALSE;
GetWindowText(hwnd, wtext, 199);
if (strstr(wtext,"* MULTIPSK"))
{
GetWindowThreadProcessId(hwnd, &ProcessId);
TNC->WIMMORPID = ProcessId;
return FALSE;
}
return (TRUE);
}
#endif
static int ExtProc(int fn, int port,unsigned char * buff)
{
UINT * buffptr;
char txbuff[500];
unsigned int bytes,txlen=0;
struct TNCINFO * TNC = TNCInfo[port];
int Stream = 0;
struct STREAMINFO * STREAM;
int TNCOK;
if (TNC == NULL)
return 0; // Port not defined
// Look for attach on any call
for (Stream = 0; Stream <= TNC->MPSKInfo->MaxSessions; Stream++)
{
STREAM = &TNC->Streams[Stream];
if (TNC->PortRecord->ATTACHEDSESSIONS[Stream] && TNC->Streams[Stream].Attached == 0)
{
char Cmd[80];
int len;
// New Attach
int calllen;
STREAM->Attached = TRUE;
calllen = ConvFromAX25(TNC->PortRecord->ATTACHEDSESSIONS[Stream]->L4USER, STREAM->MyCall);
STREAM->MyCall[calllen] = 0;
STREAM->FramesOutstanding = 0;
// Stop Scanning
sprintf(Cmd, "%d SCANSTOP", TNC->Port);
Rig_Command(-1, Cmd);
len = sprintf(Cmd, "%cSTOP_BEACON_ARQ_FAE\x1b", '\x1a');
if (TNC->MPSKInfo->TX)
TNC->CmdSet = TNC->CmdSave = _strdup(Cmd); // Savde till not transmitting
else
send(TNC->WINMORSock, Cmd, len, 0);
}
}
switch (fn)
{
case 1: // poll
if (MasterPort[port] == port)
{
// Only on first port using a host
if (TNC->CONNECTED == FALSE && TNC->CONNECTING == FALSE)
{
// See if time to reconnect
time( <ime );
if (ltime-lasttime[port] >9 )
{
ConnecttoMPSK(port);
lasttime[port]=ltime;
}
}
FD_ZERO(&readfs);
if (TNC->CONNECTED) FD_SET(TNC->WINMORSock,&readfs);
FD_ZERO(&writefs);
if (TNC->CONNECTING) FD_SET(TNC->WINMORSock,&writefs); // Need notification of Connect
if (TNC->BPQtoWINMOR_Q) FD_SET(TNC->WINMORSock,&writefs); // Need notification of busy clearing
FD_ZERO(&errorfs);
if (TNC->CONNECTING ||TNC->CONNECTED) FD_SET(TNC->WINMORSock,&errorfs);
if (select(3,&readfs,&writefs,&errorfs,&timeout) > 0)
{
// See what happened
if (FD_ISSET(TNC->WINMORSock,&readfs))
{
// data available
ProcessReceivedData(port);
}
if (FD_ISSET(TNC->WINMORSock,&writefs))
{
if (BPQtoMPSK_Q[port] == 0)
{
// Connect success
TNC->CONNECTED = TRUE;
TNC->CONNECTING = FALSE;
// If required, send signon
send(TNC->WINMORSock,"\x1a", 1, 0);
send(TNC->WINMORSock,"DIGITAL MODE ?", 14, 0);
send(TNC->WINMORSock,"\x1b", 1, 0);
// EnumWindows(EnumTNCWindowsProc, (LPARAM)TNC);
}
else
{
// Write block has cleared. Send rest of packet
buffptr=Q_REM(&BPQtoMPSK_Q[port]);
txlen=buffptr[1];
memcpy(txbuff,buffptr+2,txlen);
bytes=send(TNC->WINMORSock,(const char FAR *)&txbuff,txlen,0);
ReleaseBuffer(buffptr);
}
}
if (FD_ISSET(TNC->WINMORSock,&errorfs))
{
// if connecting, then failed, if connected then has just disconnected
// if (CONNECTED[port])
// if (!CONNECTING[port])
// {
// i=sprintf(ErrMsg, "MPSK Connection lost for BPQ Port %d\r\n", port);
// WritetoConsole(ErrMsg);
// }
CONNECTING[port]=FALSE;
CONNECTED[port]=FALSE;
}
}
}
// See if any frames for this port
for (Stream = 0; Stream <= TNC->MPSKInfo->MaxSessions; Stream++)
{
STREAM = &TNC->Streams[Stream];
// Have to time out connects, as TNC doesn't report failure
if (STREAM->Connecting)
{
STREAM->Connecting--;
if (STREAM->Connecting == 0)
{
// Report Connect Failed, and drop back to command mode
buffptr = GetBuff();
if (buffptr)
{
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "MPSK} Failure with %s\r", STREAM->RemoteCall);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
}
STREAM->Connected = FALSE; // Back to Command Mode
STREAM->DiscWhenAllSent = 10;
// Send Disc to TNC
TidyClose(TNC, Stream);
}
}
if (STREAM->Attached)
CheckForDetach(TNC, Stream, STREAM, TidyClose, ForcedClose, CloseComplete);
if (STREAM->ReportDISC)
{
STREAM->ReportDISC = FALSE;
buff[4] = Stream;
return -1;
}
// if Busy, send buffer status poll
if (STREAM->PACTORtoBPQ_Q == 0)
{
if (STREAM->DiscWhenAllSent)
{
STREAM->DiscWhenAllSent--;
if (STREAM->DiscWhenAllSent == 0)
STREAM->ReportDISC = TRUE; // Dont want to leave session attached. Causes too much confusion
}
}
else
{
int datalen;
buffptr=Q_REM(&STREAM->PACTORtoBPQ_Q);
datalen=buffptr[1];
buff[4] = Stream;
buff[7] = 0xf0;
memcpy(&buff[8],buffptr+2,datalen); // Data goes to +7, but we have an extra byte
datalen+=8;
PutLengthinBuffer(buff, datalen);
// buff[5]=(datalen & 0xff);
// buff[6]=(datalen >> 8);
ReleaseBuffer(buffptr);
return (1);
}
}
if (TNC->PortRecord->UI_Q)
{
struct _MESSAGE * buffptr;
SOCKET Sock;
buffptr = Q_REM(&TNC->PortRecord->UI_Q);
Sock = TNCInfo[MasterPort[port]]->WINMORSock;
ReleaseBuffer((UINT *)buffptr);
}
return (0);
case 2: // send
if (!TNCInfo[MasterPort[port]]->CONNECTED) return 0; // Don't try if not connected to TNC
Stream = buff[4];
STREAM = &TNC->Streams[Stream];
// txlen=(buff[6]<<8) + buff[5] - 8;
txlen = GetLengthfromBuffer(buff) - 8;
if (STREAM->Connected)
{
SendData(TNC, &buff[8], txlen);
}
else
{
char Command[80];
int len;
buff[8 + txlen] = 0;
_strupr(&buff[8]);
if (_memicmp(&buff[8], "D\r", 2) == 0)
{
TidyClose(TNC, buff[4]);
STREAM->ReportDISC = TRUE; // Tell Node
return 0;
}
// See if Local command (eg RADIO)
if (_memicmp(&buff[8], "RADIO ", 6) == 0)
{
sprintf(&buff[8], "%d %s", TNC->Port, &buff[14]);
if (Rig_Command(TNC->PortRecord->ATTACHEDSESSIONS[0]->L4CROSSLINK->CIRCUITINDEX, &buff[8]))
{
}
else
{
UINT * buffptr = GetBuff();
if (buffptr == 0) return 1; // No buffers, so ignore
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "%s", &buff[8]);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
}
return 1;
}
if (STREAM->Connecting && _memicmp(&buff[8], "ABORT", 5) == 0)
{
len = sprintf(Command,"%cSTOP_SELECTIVE_CALL_ARQ_FAE\x1b", '\x1a');
if (TNC->MPSKInfo->TX)
TNC->CmdSet = TNC->CmdSave = _strdup(Command); // Save till not transmitting
else
send(TNC->WINMORSock, Command, len, 0);
TNC->InternalCmd = TRUE;
return (0);
}
if (_memicmp(&buff[8], "MODE", 4) == 0)
{
buff[7 + txlen] = 0; // Remove CR
len = sprintf(Command,"%cDIGITAL MODE %s\x1b", '\x1a', &buff[13]);
if (TNC->MPSKInfo->TX)
TNC->CmdSet = TNC->CmdSave = _strdup(Command); // Save till not transmitting
else
send(TNC->WINMORSock, Command, len, 0);
TNC->InternalCmd = TRUE;
return (0);
}
if (_memicmp(&buff[8], "INUSE?", 6) == 0)
{
// Return Error if in use, OK if not
UINT * buffptr = GetBuff();
int s = 0;
while(s <= TNC->MPSKInfo->MaxSessions)
{
if (s != Stream)
{
if (TNC->PortRecord->ATTACHEDSESSIONS[s])
{
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "MPSK} Error - In use\r");
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
return 1; // Busy
}
}
s++;
}
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "MPSK} Ok - Not in use\r");
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
return 1;
}
// See if a Connect Command.
if (toupper(buff[8]) == 'C' && buff[9] == ' ' && txlen > 2) // Connect
{
char * ptr;
char * context;
_strupr(&buff[8]);
buff[8 + txlen] = 0;
memset(STREAM->RemoteCall, 0, 10);
ptr = strtok_s(&buff[10], " ,\r", &context);
strcpy(STREAM->RemoteCall, ptr);
len = sprintf(Command,"%cCALLSIGN_TO_CALL_ARQ_FAE %s%c%cSELECTIVE_CALL_ARQ_FAE\x1b",
'\x1a', STREAM->RemoteCall, '\x1b', '\x1a');
if (TNC->MPSKInfo->TX)
TNC->CmdSet = TNC->CmdSave = _strdup(Command); // Save till not transmitting
else
send(TNC->WINMORSock, Command, len, 0);
STREAM->Connecting = TNC->MPSKInfo->ConnTimeOut; // It doesn't report failure
// sprintf(Status, "%s Connecting to %s", TNC->Streams[0].MyCall, TNC->Streams[0].RemoteCall);
// SetDlgItemText(TNC->hDlg, IDC_TNCSTATE, Status);
return 0;
}
// Send any other command to Multipsk
_strupr(&buff[8]);
buff[7 + txlen] = 0;
len = sprintf(Command,"%c%s\x1b", '\x1a', &buff[8]);
if (TNC->MPSKInfo->TX)
TNC->CmdSet = TNC->CmdSave = _strdup(Command); // Save till not transmitting
else
send(TNC->WINMORSock, Command, len, 0);
TNC->InternalCmd = TRUE;
}
return (0);
case 3:
Stream = (int)buff;
TNCOK = TNCInfo[MasterPort[port]]->CONNECTED;
STREAM = &TNC->Streams[Stream];
if (STREAM->FramesOutstanding > 8)
return (1 | TNCOK << 8 | STREAM->Disconnecting << 15);
return TNCOK << 8 | STREAM->Disconnecting << 15; // OK, but lock attach if disconnecting
break;
case 4: // reinit
shutdown(TNC->WINMORSock, SD_BOTH);
Sleep(100);
closesocket(TNC->WINMORSock);
TNC->CONNECTED = FALSE;
if (TNC->WIMMORPID && TNC->WeStartedTNC)
{
KillTNC(TNC);
RestartTNC(TNC);
}
return (0);
case 5: // Close
shutdown(TNC->WINMORSock, SD_BOTH);
Sleep(100);
closesocket(TNC->WINMORSock);
if (TNC->WIMMORPID && TNC->WeStartedTNC)
{
KillTNC(TNC);
}
return 0;
}
return 0;
}
#ifndef LINBPQ
static KillTNC(struct TNCINFO * TNC)
{
HANDLE hProc;
if (TNC->PTTMode)
Rig_PTT(TNC->RIG, FALSE); // Make sure PTT is down
if (TNC->WIMMORPID == 0) return 0;
hProc = OpenProcess(PROCESS_TERMINATE | PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, TNC->WIMMORPID);
if (hProc)
{
TerminateProcess(hProc, 0);
CloseHandle(hProc);
}
TNC->WIMMORPID = 0; // So we don't try again
return 0;
}
static RestartTNC(struct TNCINFO * TNC)
{
STARTUPINFO SInfo; // pointer to STARTUPINFO
PROCESS_INFORMATION PInfo; // pointer to PROCESS_INFORMATION
char HomeDir[MAX_PATH];
int i, ret;
SInfo.cb=sizeof(SInfo);
SInfo.lpReserved=NULL;
SInfo.lpDesktop=NULL;
SInfo.lpTitle=NULL;
SInfo.dwFlags=0;
SInfo.cbReserved2=0;
SInfo.lpReserved2=NULL;
if (TNC->ProgramPath)
{
strcpy(HomeDir, TNC->ProgramPath);
i = strlen(HomeDir);
while(--i)
{
if (HomeDir[i] == '/' || HomeDir[i] == '\\')
{
HomeDir[i] = 0;
break;
}
}
ret = CreateProcess(TNC->ProgramPath, "MultiPSK TCP_IP_ON", NULL, NULL, FALSE,0 ,NULL ,HomeDir, &SInfo, &PInfo);
if (ret)
TNC->WIMMORPID = PInfo.dwProcessId;
return ret;
}
return 0;
}
#endif
UINT MPSKExtInit(EXTPORTDATA * PortEntry)
{
int i, port;
char Msg[255];
struct TNCINFO * TNC;
char * ptr;
//
// Will be called once for each MPSK port to be mapped to a BPQ Port
// The MPSK port number is in CHANNEL - A=0, B=1 etc
//
// The Socket to connect to is in IOBASE
//
port = PortEntry->PORTCONTROL.PORTNUMBER;
ReadConfigFile(port, ProcessLine);
TNC = TNCInfo[port];
if (TNC == NULL)
{
// Not defined in Config file
sprintf(Msg," ** Error - no info in BPQ32.cfg for this port\n");
WritetoConsole(Msg);
return (int) ExtProc;
}
TNC->Port = port;
TNC->PortRecord = PortEntry;
if (PortEntry->PORTCONTROL.PORTCALL[0] == 0)
memcpy(TNC->NodeCall, MYNODECALL, 10);
else
ConvFromAX25(&PortEntry->PORTCONTROL.PORTCALL[0], TNC->NodeCall);
TNC->Interlock = PortEntry->PORTCONTROL.PORTINTERLOCK;
PortEntry->PORTCONTROL.PROTOCOL = 10;
PortEntry->PERMITGATEWAY = TRUE; // Can change ax.25 call on each stream
PortEntry->PORTCONTROL.PORTQUALITY = 0;
PortEntry->SCANCAPABILITIES = NONE; // Scan Control - None
if (PortEntry->PORTCONTROL.PORTPACLEN == 0)
PortEntry->PORTCONTROL.PORTPACLEN = 64;
ptr=strchr(TNC->NodeCall, ' ');
if (ptr) *(ptr) = 0; // Null Terminate
TNC->Hardware = H_MPSK;
MPSKChannel[port] = PortEntry->PORTCONTROL.CHANNELNUM-65;
PortEntry->MAXHOSTMODESESSIONS = 1;
i=sprintf(Msg,"MPSK Host %s Port %d \n",
TNC->WINMORHostName, TNC->WINMORPort);
WritetoConsole(Msg);
// See if we already have a port for this host
MasterPort[port] = port;
for (i = 1; i < port; i++)
{
if (i == port) continue;
if (TNCInfo[i] && TNCInfo[i]->WINMORPort == TNC->WINMORPort &&
_stricmp(TNCInfo[i]->WINMORHostName, TNC->WINMORHostName) == 0)
{
MasterPort[port] = i;
break;
}
}
BPQPort[PortEntry->PORTCONTROL.CHANNELNUM-65][MasterPort[port]] = port;
#ifndef LINBPQ
if (MasterPort[port] == port)
{
if (EnumWindows(EnumTNCWindowsProc, (LPARAM)TNC))
if (TNC->ProgramPath)
TNC->WeStartedTNC = RestartTNC(TNC);
ConnecttoMPSK(port);
}
#endif
time(&lasttime[port]); // Get initial time value
// SendMessage(0x40eaa, WM_COMMAND, 0x03000eaa, 0x40eaa);
return ((int) ExtProc);
}
static ProcessLine(char * buf, int Port)
{
UCHAR * ptr,* p_cmd;
char * p_ipad = 0;
char * p_port = 0;
unsigned short WINMORport = 0;
int BPQport;
int len=510;
struct TNCINFO * TNC;
struct MPSKINFO * AGW;
char errbuf[256];
strcpy(errbuf, buf);
ptr = strtok(buf, " \t\n\r");
if(ptr == NULL) return (TRUE);
if(*ptr =='#') return (TRUE); // comment
if(*ptr ==';') return (TRUE); // comment
if (_stricmp(buf, "ADDR"))
return FALSE; // Must start with ADDR
ptr = strtok(NULL, " \t\n\r");
BPQport = Port;
p_ipad = ptr;
TNC = TNCInfo[BPQport] = zalloc(sizeof(struct TNCINFO));
AGW = TNC->MPSKInfo = zalloc(sizeof(struct MPSKINFO)); // AGW Sream Mode Specific Data
AGW->MaxSessions = 10;
AGW->ConnTimeOut = CONTIMEOUT;
TNC->InitScript = malloc(1000);
TNC->InitScript[0] = 0;
if (p_ipad == NULL)
p_ipad = strtok(NULL, " \t\n\r");
if (p_ipad == NULL) return (FALSE);
p_port = strtok(NULL, " \t\n\r");
if (p_port == NULL) return (FALSE);
TNC->WINMORPort = atoi(p_port);
TNC->destaddr.sin_family = AF_INET;
TNC->destaddr.sin_port = htons(TNC->WINMORPort);
TNC->WINMORHostName = malloc(strlen(p_ipad)+1);
if (TNC->WINMORHostName == NULL) return TRUE;
strcpy(TNC->WINMORHostName,p_ipad);
ptr = strtok(NULL, " \t\n\r");
if (ptr)
{
if (_memicmp(ptr, "PATH", 4) == 0)
{
p_cmd = strtok(NULL, "\n\r");
if (p_cmd) TNC->ProgramPath = _strdup(_strupr(p_cmd));
}
}
// Read Initialisation lines
while(TRUE)
{
if (GetLine(buf) == 0)
return TRUE;
strcpy(errbuf, buf);
if (memcmp(buf, "****", 4) == 0)
return TRUE;
ptr = strchr(buf, ';');
if (ptr)
{
*ptr++ = 13;
*ptr = 0;
}
if (_memicmp(buf, "CONTIMEOUT", 10) == 0)
AGW->ConnTimeOut = atoi(&buf[11]) * 10;
else
if (_memicmp(buf, "UPDATEMAP", 9) == 0)
TNC->PktUpdateMap = TRUE;
else
if (_memicmp(buf, "ALEBEACON", 9) == 0) // Send Beacon after each session
TNC->MPSKInfo->Beacon = TRUE;
else
if (_memicmp(buf, "DEFAULTMODE", 11) == 0) // Send Beacon after each session
strcpy(TNC->MPSKInfo->DefaultMode, &buf[12]);
else
strcat (TNC->InitScript, buf);
}
return (TRUE);
}
static int ConnecttoMPSK(int port)
{
_beginthread(ConnecttoMPSKThread,0,port);
return 0;
}
static VOID ConnecttoMPSKThread(port)
{
char Msg[255];
int err,i;
u_long param=1;
BOOL bcopt=TRUE;
struct hostent * HostEnt;
struct TNCINFO * TNC = TNCInfo[port];
Sleep(5000); // Allow init to complete
TNC->destaddr.sin_addr.s_addr = inet_addr(TNC->WINMORHostName);
if (TNC->destaddr.sin_addr.s_addr == INADDR_NONE)
{
// Resolve name to address
HostEnt = gethostbyname (TNC->WINMORHostName);
if (!HostEnt) return; // Resolve failed
memcpy(&TNC->destaddr.sin_addr.s_addr,HostEnt->h_addr,4);
memcpy(&TNC->Datadestaddr.sin_addr.s_addr,HostEnt->h_addr,4);
}
closesocket(TNC->WINMORSock);
TNC->WINMORSock=socket(AF_INET,SOCK_STREAM,0);
if (TNC->WINMORSock == INVALID_SOCKET)
{
i=sprintf(Msg, "Socket Failed for MPSK socket - error code = %d\n", WSAGetLastError());
WritetoConsole(Msg);
return;
}
sinx.sin_family = AF_INET;
sinx.sin_addr.s_addr = INADDR_ANY;
sinx.sin_port = 0;
TNC->CONNECTING = TRUE;
if (connect(TNC->WINMORSock,(LPSOCKADDR) &TNC->destaddr,sizeof(TNC->destaddr)) == 0)
{
//
// Connected successful
//
TNC->CONNECTED=TRUE;
}
else
{
if (TNC->Alerted == FALSE)
{
err=WSAGetLastError();
i=sprintf(Msg, "Connect Failed for MPSK socket - error code = %d\n", err);
WritetoConsole(Msg);
SetDlgItemText(TNC->hDlg, IDC_COMMSSTATE, "Connection to TNC failed");
TNC->Alerted = TRUE;
}
TNC->CONNECTING = FALSE;
return;
}
TNC->LastFreq = 0; // so V4 display will be updated
SetDlgItemText(TNC->hDlg, IDC_COMMSSTATE, "Connected to MPSK TNC");
return;
}
static int ProcessReceivedData(int port)
{
unsigned int bytes;
int i;
char ErrMsg[255];
char Message[500];
struct TNCINFO * TNC = TNCInfo[port];
// Need to extract messages from byte stream
bytes = recv(TNC->WINMORSock,(char *)&Message, 500, 0);
if (bytes == SOCKET_ERROR)
{
// i=sprintf(ErrMsg, "Read Failed for MPSK socket - error code = %d\r\n", WSAGetLastError());
// WritetoConsole(ErrMsg);
closesocket(TNC->WINMORSock);
TNC->CONNECTED = FALSE;
if (TNC->Streams[0].Attached)
TNC->Streams[0].ReportDISC = TRUE;
return (0);
}
if (bytes == 0)
{
// zero bytes means connection closed
i=sprintf(ErrMsg, "MPSK Connection closed for BPQ Port %d\n", port);
WritetoConsole(ErrMsg);
TNC->CONNECTED = FALSE;