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KAMPactor.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 inteface KAM TNC in Pactor Mode to BPQ32 switch
//
// Uses BPQ EXTERNAL interface
//
// Version 1.2.1.2 July 2010
// Send Change to ISS before each transmission
// Support up to 32 BPQ Ports
// Version 1.2.1.3 August 2010
// Drop RTS as well as DTR on close
// Version 1.2.1.4 August 2010
// Save Minimized State
// Version 1.2.1.5 September 2010
// Fix Freq Display after Node reconfig
// Only use AutoConnect APPL for Pactor Connects
// Version 1.2.2.1 September 2010
// Add option to get config from bpq32.cfg
//#define WIN32_LEAN_AND_MEAN
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_DEPRECATE
#define _USE_32BIT_TIME_T
#include <stdio.h>
#include <stdlib.h>
#include "time.h"
#include "CHeaders.h"
#include "tncinfo.h"
#include "bpq32.h"
#define NARROWMODE Report_P1
#define WIDEMODE Report_P1 // Only supports PI
static char ClassName[]="KAMPACTORSTATUS";
static char WindowTitle[] = "KAM Pactor";
static int RigControlRow = 165;
static RECT Rect;
struct TNCINFO * TNCInfo[34]; // Records are Malloc'd
int DoScanLine(struct TNCINFO * TNC, char * Buff, int Len);
static int
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;
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
ptr = strtok(NULL, " \t\n\r");
if (_stricmp(buf, "ADDR") == 0) // Winmor Using BPQ32 COnfig
{
BPQport = Port;
p_ipad = ptr;
}
else
if (_stricmp(buf, "APPL") == 0) // Using BPQ32 C0nfig
{
BPQport = Port;
p_cmd = ptr;
}
else
if (_stricmp(buf, "PORT") != 0) // Using Old Config
{
// New config without a PORT or APPL - this is a Config Command
strcpy(buf, errbuf);
strcat(buf, "\r");
BPQport = Port;
TNC = TNCInfo[BPQport] = malloc(sizeof(struct TNCINFO));
memset(TNC, 0, sizeof(struct TNCINFO));
TNC->InitScript = malloc(1000);
TNC->InitScript[0] = 0;
goto ConfigLine;
}
else
{
// Old Config from file
BPQport=0;
BPQport = atoi(ptr);
p_cmd = strtok(NULL, " \t\n\r");
if (Port && Port != BPQport)
{
// Want a particular port, and this isn't it
while(TRUE)
{
if (GetLine(buf) == 0)
return TRUE;
if (memcmp(buf, "****", 4) == 0)
return TRUE;
}
}
}
if(BPQport > 0 && BPQport < 33)
{
TNC = TNCInfo[BPQport] = malloc(sizeof(struct TNCINFO));
memset(TNC, 0, sizeof(struct TNCINFO));
TNC->InitScript = malloc(1000);
TNC->InitScript[0] = 0;
if (p_cmd != NULL)
{
if (p_cmd[0] != ';' && p_cmd[0] != '#')
TNC->ApplCmd=_strdup(p_cmd);
}
// Read Initialisation lines
while(TRUE)
{
if (GetLine(buf) == 0)
return TRUE;
ConfigLine:
strcpy(errbuf, buf);
if (memcmp(buf, "****", 4) == 0)
return TRUE;
ptr = strchr(buf, ';');
if (ptr)
{
*ptr++ = 13;
*ptr = 0;
}
if (_memicmp(buf, "OLDMODE", 7) == 0)
TNC->OldMode = TRUE;
else
if (_memicmp(buf, "VERYOLDMODE", 7) == 0)
{
TNC->OldMode = TRUE;
TNC->VeryOldMode = TRUE;
}
else
if (_memicmp(buf, "BUSYWAIT", 8) == 0) // Wait time beofre failing connect if busy
TNC->BusyWait = atoi(&buf[8]);
else
if (_memicmp(buf, "WL2KREPORT", 10) == 0)
TNC->WL2K = DecodeWL2KReportLine(buf);
else
strcat (TNC->InitScript, buf);
}
}
return (TRUE);
}
#define FEND 0xC0 // KISS CONTROL CODES
#define FESC 0xDB
#define TFEND 0xDC
#define TFESC 0xDD
static int MaxStreams = 26;
struct TNCINFO * CreateTTYInfo(int port, int speed);
BOOL OpenConnection(int);
BOOL SetupConnection(int);
BOOL CloseConnection(struct TNCINFO * conn);
static BOOL WriteCommBlock(struct TNCINFO * TNC);
BOOL DestroyTTYInfo(int port);
void CheckRXKAM(struct TNCINFO * TNC);
VOID KAMPoll(int Port);
VOID ProcessDEDFrame(struct TNCINFO * TNC, UCHAR * rxbuff, int len);
static VOID ProcessTermModeResponse(struct TNCINFO * TNC);
static VOID DoTNCReinit(struct TNCINFO * TNC);
static VOID DoTermModeTimeout(struct TNCINFO * TNC);
VOID ProcessPacket(struct TNCINFO * TNC, UCHAR * rxbuffer, int Len);
VOID ProcessKPacket(struct TNCINFO * TNC, UCHAR * rxbuffer, int Len);
VOID ProcessKHOSTPacket(struct TNCINFO * TNC, UCHAR * rxbuffer, int Len);
VOID ProcessKNormCommand(struct TNCINFO * TNC, UCHAR * rxbuffer);
VOID ProcessHostFrame(struct TNCINFO * TNC, UCHAR * rxbuffer, int Len);
static VOID DoMonitor(struct TNCINFO * TNC, UCHAR * Msg, int Len);
// Note that Kantronics host Mode uses KISS format Packets (without a KISS COntrol Byte)
VOID EncodeAndSend(struct TNCINFO * TNC, UCHAR * txbuffer, int Len);
static int KissEncode(UCHAR * inbuff, UCHAR * outbuff, int len);
static int KissDecode(UCHAR * inbuff, UCHAR * outbuff, int len);
static int
KAMExtProc(int fn, int port,unsigned char * buff, int code)
{
int txlen = 0;
UINT * buffptr;
struct TNCINFO * TNC = TNCInfo[port];
struct STREAMINFO * STREAM;
int Stream;
if (TNC == NULL)
return 0;
if (fn < 4 || fn > 5)
if (TNC->hDevice == 0)
return 0; // Port not open
switch (fn)
{
case 1: // poll
while (TNC->PortRecord->UI_Q) // Release anything accidentally put on UI_Q
{
buffptr = Q_REM(&TNC->PortRecord->UI_Q);
ReleaseBuffer(buffptr);
}
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
STREAM = &TNC->Streams[Stream];
if (STREAM->ReportDISC)
{
STREAM->ReportDISC = FALSE;
buff[4] = Stream;
return -1;
}
}
CheckRXKAM(TNC);
KAMPoll(port);
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
STREAM = &TNC->Streams[Stream];
if (STREAM->PACTORtoBPQ_Q !=0)
{
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);
}
}
return 0;
case 2: // send
buffptr = GetBuff();
if (buffptr == 0) return (0); // No buffers, so ignore
// Find TNC Record
Stream = buff[4];
STREAM = &TNC->Streams[Stream];
if (!TNC->TNCOK)
{
// Send Error Response
buffptr[1] = 36;
memcpy(buffptr+2, "No Connection to PACTOR TNC\r", 36);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
return 0;
}
txlen = GetLengthfromBuffer(buff) - 8;
buffptr[1] = txlen;
memcpy(buffptr+2, &buff[8], txlen);
C_Q_ADD(&STREAM->BPQtoPACTOR_Q, buffptr);
if(STREAM->Connected)
{
STREAM->FramesOutstanding++;
STREAM->FramesQueued++;
STREAM->BytesOutstanding += txlen;
}
return (0);
case 3: // CHECK IF OK TO SEND. Also used to check if TNC is responding
Stream = code;
STREAM = &TNC->Streams[Stream];
if (Stream == 0)
{
if (TNC->HFPacket)
{
if (TNC->Mem1 < 2000 || TNC->Streams[0].FramesOutstanding > 4)
return (1 | TNC->HostMode << 8 | STREAM->Disconnecting << 15);
}
else
{
if (TNC->Streams[0].FramesQueued > 4)
return (1 | TNC->HostMode << 8 | STREAM->Disconnecting << 15);
}
}
else
{
if (STREAM->FramesOutstanding > 3 || STREAM->BytesOutstanding > 500 || TNC->Mem1 < 500)
return (1 | TNC->HostMode << 8 | STREAM->Disconnecting << 15);
}
return TNC->HostMode << 8 | STREAM->Disconnecting << 15; // OK, but lock attach if disconnecting
case 4: // reinit
return (0);
case 5: // Close
EncodeAndSend(TNC, "Q", 1); // Exit Host Mode
Sleep(50);
CloseCOMPort(TNCInfo[port]->hDevice);
return (0);
case 6: // Scan Control
return 0; // None Yet
}
return 0;
}
static int WebProc(struct TNCINFO * TNC, char * Buff, BOOL LOCAL)
{
int Len = sprintf(Buff, "<html><meta http-equiv=expires content=0><meta http-equiv=refresh content=15>"
"<head><title>KAM Pactor Status</title></head><body><h3>KAM Pactor Status</h3>");
Len += sprintf(&Buff[Len], "<table style=\"text-align: left; width: 480px; font-family: monospace; align=center \" border=1 cellpadding=2 cellspacing=2>");
Len += sprintf(&Buff[Len], "<tr><td width=90px>Comms State</td><td>%s</td></tr>", TNC->WEB_COMMSSTATE);
Len += sprintf(&Buff[Len], "<tr><td>TNC State</td><td>%s</td></tr>", TNC->WEB_TNCSTATE);
Len += sprintf(&Buff[Len], "<tr><td>Mode</td><td>%s</td></tr>", TNC->WEB_MODE);
Len += sprintf(&Buff[Len], "<tr><td>Status</td><td>%s</td></tr>", TNC->WEB_STATE);
Len += sprintf(&Buff[Len], "<tr><td>TX/RX State</td><td>%s</td></tr>", TNC->WEB_TXRX);
Len += sprintf(&Buff[Len], "<tr><td>Free Space</td><td>%s</td></tr>", TNC->WEB_BUFFERS);
Len += sprintf(&Buff[Len], "<tr><td>Traffic</td><td>%s</td></tr>", TNC->WEB_TRAFFIC);
Len += sprintf(&Buff[Len], "</table>");
Len = DoScanLine(TNC, Buff, Len);
return Len;
}
void *
KAMExtInit(EXTPORTDATA * PortEntry)
{
char msg[500];
struct TNCINFO * TNC;
int port;
char * ptr;
char * TempScript;
//
// Will be called once for each Pactor Port
// The COM port number is in IOBASE
//
Debugprintf("KAM Extinit %x", KAMExtInit);
port=PortEntry->PORTCONTROL.PORTNUMBER;
sprintf(msg,"KAM Pactor %s", PortEntry->PORTCONTROL.SerialPortName);
WritetoConsole(msg);
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 KAMExtProc;
}
TNC->Port = port;
TNC->Hardware = H_KAM;
if (TNC->BusyWait == 0)
TNC->BusyWait = 10;
PortEntry->MAXHOSTMODESESSIONS = 11; // Default
TNC->PortRecord = PortEntry;
if (PortEntry->PORTCONTROL.PORTCALL[0] == 0)
memcpy(TNC->NodeCall, MYNODECALL, 10);
else
ConvFromAX25(&PortEntry->PORTCONTROL.PORTCALL[0], TNC->NodeCall);
PortEntry->PORTCONTROL.PROTOCOL = 10; // WINMOR/Pactor
PortEntry->PORTCONTROL.PORTQUALITY = 0;
PortEntry->SCANCAPABILITIES = NONE; // No Scan Control
TNC->Interlock = PortEntry->PORTCONTROL.PORTINTERLOCK;
if (PortEntry->PORTCONTROL.PORTPACLEN == 0)
PortEntry->PORTCONTROL.PORTPACLEN = 100;
ptr=strchr(TNC->NodeCall, ' ');
if (ptr) *(ptr) = 0; // Null Terminate
// Set Essential Params and MYCALL
TempScript = malloc(4000);
strcpy(TempScript, "MARK 1400\r");
strcat(TempScript, "SPACE 1600\r");
strcat(TempScript, "SHIFT MODEM\r");
strcat(TempScript, "INV ON\r");
strcat(TempScript, "PTERRS 30\r"); // Default Retries
strcat(TempScript, "MAXUSERS 1/10\r");
strcat(TempScript, TNC->InitScript);
free(TNC->InitScript);
TNC->InitScript = TempScript;
// Others go on end so they can't be overriden
strcat(TNC->InitScript, "ECHO OFF\r");
strcat(TNC->InitScript, "XMITECHO ON\r");
strcat(TNC->InitScript, "TXFLOW OFF\r");
strcat(TNC->InitScript, "XFLOW OFF\r");
strcat(TNC->InitScript, "TRFLOW OFF\r");
strcat(TNC->InitScript, "AUTOCR 0\r");
strcat(TNC->InitScript, "AUTOLF OFF\r");
strcat(TNC->InitScript, "CRADD OFF\r");
strcat(TNC->InitScript, "CRSUP OFF\r");
strcat(TNC->InitScript, "CRSUP OFF/OFF\r");
strcat(TNC->InitScript, "LFADD OFF/OFF\r");
strcat(TNC->InitScript, "LFADD OFF\r");
strcat(TNC->InitScript, "LFSUP OFF/OFF\r");
strcat(TNC->InitScript, "LFSUP OFF\r");
strcat(TNC->InitScript, "RING OFF\r");
strcat(TNC->InitScript, "ARQBBS OFF\r");
// Set the ax.25 MYCALL
sprintf(msg, "MYCALL %s/%s\r", TNC->NodeCall, TNC->NodeCall);
strcat(TNC->InitScript, msg);
// look for the MAXUSERS config line, and get the limits
TNC->InitScript = _strupr(TNC->InitScript);
ptr = strstr(TNC->InitScript, "MAXUSERS");
if (ptr)
{
ptr = strchr(ptr,'/'); // to the separator
if (ptr)
PortEntry->MAXHOSTMODESESSIONS = atoi(++ptr) + 1;
}
if (PortEntry->MAXHOSTMODESESSIONS > 26)
PortEntry->MAXHOSTMODESESSIONS = 26;
TNC->WebWindowProc = WebProc;
TNC->WebWinX = 510;
TNC->WebWinY = 280;
TNC->WEB_COMMSSTATE = zalloc(100);
TNC->WEB_TNCSTATE = zalloc(100);
strcpy(TNC->WEB_TNCSTATE, "Free");
TNC->WEB_MODE = zalloc(100);
TNC->WEB_TRAFFIC = zalloc(100);
TNC->WEB_BUFFERS = zalloc(100);
TNC->WEB_STATE = zalloc(100);
TNC->WEB_TXRX = zalloc(100);
#ifndef LINBPQ
CreatePactorWindow(TNC, ClassName, WindowTitle, RigControlRow, PacWndProc, 500, 213);
CreateWindowEx(0, "STATIC", "Comms State", WS_CHILD | WS_VISIBLE, 10,6,120,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_COMMSSTATE = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE, 116,6,386,20, TNC->hDlg, NULL, hInstance, NULL);
CreateWindowEx(0, "STATIC", "TNC State", WS_CHILD | WS_VISIBLE, 10,28,106,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_TNCSTATE = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE, 116,28,520,20, TNC->hDlg, NULL, hInstance, NULL);
CreateWindowEx(0, "STATIC", "Mode", WS_CHILD | WS_VISIBLE, 10,50,80,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_MODE = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE, 116,50,200,20, TNC->hDlg, NULL, hInstance, NULL);
CreateWindowEx(0, "STATIC", "Status", WS_CHILD | WS_VISIBLE, 10,72,110,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_STATE = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE, 116,72,144,20, TNC->hDlg, NULL, hInstance, NULL);
CreateWindowEx(0, "STATIC", "TX/RX State", WS_CHILD | WS_VISIBLE,10,94,80,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_TXRX = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE,116,94,374,20 , TNC->hDlg, NULL, hInstance, NULL);
CreateWindowEx(0, "STATIC", "Free Space", WS_CHILD | WS_VISIBLE,10,116,80,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_BUFFERS = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE,116,116,374,20 , TNC->hDlg, NULL, hInstance, NULL);
CreateWindowEx(0, "STATIC", "Traffic", WS_CHILD | WS_VISIBLE,10,138,80,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_TRAFFIC = CreateWindowEx(0, "STATIC", "RX 0 TX 0 ACKED 0", WS_CHILD | WS_VISIBLE,116,138,374,20 , TNC->hDlg, NULL, hInstance, NULL);
TNC->ClientHeight = 213;
TNC->ClientWidth = 500;
MoveWindows(TNC);
#endif
OpenCOMMPort(TNC, PortEntry->PORTCONTROL.SerialPortName, PortEntry->PORTCONTROL.BAUDRATE, FALSE);
WritetoConsole("\n");
return KAMExtProc;
}
void CheckRXKAM(struct TNCINFO * TNC)
{
int Length, Len;
// only try to read number of bytes in queue
if (TNC->RXLen == 500)
TNC->RXLen = 0;
Len = ReadCOMBlock(TNC->hDevice, &TNC->RXBuffer[TNC->RXLen], 500 - TNC->RXLen);
if (Len == 0)
return;
TNC->RXLen += Len;
Length = TNC->RXLen;
// If first char != FEND, then probably a Terminal Mode Frame. Wait for CR on end
if (TNC->RXBuffer[0] != FEND)
{
// Char Mode Frame I think we need to see cmd: on end
// If we think we are in host mode, then to could be noise - just discard.
if (TNC->HostMode)
{
TNC->RXLen = 0; // Ready for next frame
return;
}
TNC->RXBuffer[TNC->RXLen] = 0;
// if (TNC->RXBuffer[TNC->RXLen-2] != ':')
if (strstr(TNC->RXBuffer, "cmd:") == 0)
return; // Wait for rest of frame
// Complete Char Mode Frame
TNC->RXLen = 0; // Ready for next frame
if (TNC->HostMode == 0)
{
// We think TNC is in Terminal Mode
ProcessTermModeResponse(TNC);
return;
}
// We thought it was in Host Mode, but are wrong.
TNC->HostMode = FALSE;
return;
}
// Receiving a Host Mode frame
if (TNC->HostMode == 0) // If we are in Term Mode, discard it. Probably in recovery
{
TNC->RXLen = 0; // Ready for next frame
return;
}
if (Length < 3) // Minimum Frame Sise
return;
if (TNC->RXBuffer[Length-1] != FEND)
return; // Wait till we have a full frame
ProcessHostFrame(TNC, TNC->RXBuffer, Length); // Could have multiple packets in buffer
TNC->RXLen = 0; // Ready for next frame
return;
}
VOID ProcessHostFrame(struct TNCINFO * TNC, UCHAR * rxbuffer, int Len)
{
UCHAR * FendPtr;
int NewLen;
// Split into KISS Packets. By far the most likely is a single KISS frame
// so treat as special case
if (rxbuffer[1] == FEND) // Two FENDS - probably got out of sync
{
rxbuffer++;
Len--;
}
FendPtr = memchr(&rxbuffer[1], FEND, Len-1);
if (FendPtr == &rxbuffer[Len-1])
{
ProcessKHOSTPacket(TNC, &rxbuffer[1], Len - 2);
return;
}
// Process the first Packet in the buffer
NewLen = FendPtr - rxbuffer -1;
ProcessKHOSTPacket(TNC, &rxbuffer[1], NewLen);
// Loop Back
ProcessHostFrame(TNC, FendPtr+1, Len - NewLen - 2);
return;
}
static BOOL WriteCommBlock(struct TNCINFO * TNC)
{
WriteCOMBlock(TNC->hDevice, TNC->TXBuffer, TNC->TXLen);
return TRUE;
}
VOID KAMPoll(int Port)
{
struct TNCINFO * TNC = TNCInfo[Port];
struct STREAMINFO * STREAM;
UCHAR * Poll = TNC->TXBuffer;
char Status[80];
int Stream;
if (TNC->PortRecord == 0)
Stream = 0;
// If Pactor Session has just been attached, drop back to cmd mode and set Pactor Call to
// the connecting user's callsign
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
STREAM = &TNC->Streams[Stream];
if (TNC->PortRecord->ATTACHEDSESSIONS[Stream] && STREAM->Attached == 0)
{
// New Attach
STREAM->Attached = TRUE;
if (Stream == 0) // HF Port
{
int calllen;
UCHAR TXMsg[1000] = "D20";
int datalen;
char Msg[80];
TNC->HFPacket = FALSE;
TNC->TimeInRX = 0;
calllen = ConvFromAX25(TNC->PortRecord->ATTACHEDSESSIONS[0]->L4USER, TNC->Streams[0].MyCall);
TNC->Streams[0].MyCall[calllen] = 0;
EncodeAndSend(TNC, "X", 1); // ??Return to packet mode??
if (TNC->VeryOldMode)
datalen = sprintf(TXMsg, "C20MYCALL %s", TNC->Streams[0].MyCall);
else
datalen = sprintf(TXMsg, "C20MYPTCALL %s", TNC->Streams[0].MyCall);
EncodeAndSend(TNC, TXMsg, datalen);
TNC->InternalCmd = 'M';
TNC->NeedPACTOR = 0; // Cancel enter Pactor
sprintf(TNC->WEB_TNCSTATE, "In Use by %s", TNC->Streams[0].MyCall);
SetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
// Stop Scanning
sprintf(Msg, "%d SCANSTOP", TNC->Port);
Rig_Command(-1, Msg);
}
}
}
if (TNC->Timeout)
{
TNC->Timeout--;
if (TNC->Timeout) // Still waiting
return;
// Timed Out
if (TNC->HostMode == 0)
{
DoTermModeTimeout(TNC);
return;
}
// Timed out in host mode - Clear any connection and reinit the TNC
Debugprintf("KAM PACTOR - Link to TNC Lost");
TNC->TNCOK = FALSE;
TNC->HostMode = 0;
TNC->ReinitState = 0;
sprintf(TNC->WEB_COMMSSTATE, "%s Open but TNC not responding", TNC->PortRecord->PORTCONTROL.SerialPortName);
SetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
UINT * buffptr;
STREAM = &TNC->Streams[Stream];
if (TNC->PortRecord->ATTACHEDSESSIONS[Stream]) // Connected
{
STREAM->Connected = FALSE; // Back to Command Mode
STREAM->ReportDISC = TRUE; // Tell Node
}
STREAM->FramesQueued = 0;
while(STREAM->BPQtoPACTOR_Q)
{
buffptr=Q_REM(&STREAM->BPQtoPACTOR_Q);
ReleaseBuffer(buffptr);
}
while(STREAM->PACTORtoBPQ_Q)
{
buffptr=Q_REM(&STREAM->PACTORtoBPQ_Q);
ReleaseBuffer(buffptr);
}
}
}
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
STREAM = &TNC->Streams[Stream];
if (STREAM->Attached)
CheckForDetach(TNC, Stream, STREAM, TidyClose, ForcedClose, CloseComplete);
}
// if we have just restarted or TNC appears to be in terminal mode, run Initialisation Sequence
if (!TNC->HostMode)
{
DoTNCReinit(TNC);
return;
}
if (TNC->BusyDelay) // Waiting to send connect
{
// Still Busy?
if (InterlockedCheckBusy(TNC) == 0)
{
// No, so send
EncodeAndSend(TNC, TNC->ConnectCmd, strlen(TNC->ConnectCmd));
free(TNC->ConnectCmd);
TNC->Timeout = 50;
TNC->InternalCmd = 'C'; // So we dont send the reply to the user.
STREAM->Connecting = TRUE;
TNC->Streams[0].Connecting = TRUE;
sprintf(TNC->WEB_TNCSTATE, "%s Connecting to %s", TNC->Streams[0].MyCall, TNC->Streams[0].RemoteCall);
SetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
TNC->BusyDelay = 0;
return;
}
else
{
// Wait Longer
TNC->BusyDelay--;
if (TNC->BusyDelay == 0)
{
// Timed out - Send Error Response
UINT * buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr[1]=39;
memcpy(buffptr+2,"Sorry, Can't Connect - Channel is busy\r", 39);
C_Q_ADD(&TNC->Streams[0].PACTORtoBPQ_Q, buffptr);
free(TNC->ConnectCmd);
}
}
}
if (TNC->NeedPACTOR)
{
TNC->NeedPACTOR--;
if (TNC->NeedPACTOR == 0)
{
int datalen;
UCHAR TXMsg[80] = "D20";
if (TNC->VeryOldMode)
datalen = sprintf(TXMsg, "C20MYCALL %s", TNC->NodeCall);
else
datalen = sprintf(TXMsg, "C20MYPTCALL %s", TNC->NodeCall);
EncodeAndSend(TNC, TXMsg, datalen);
if (TNC->OldMode)
EncodeAndSend(TNC, "C20PACTOR", 9); // Back to Listen
else
EncodeAndSend(TNC, "C20TOR", 6); // Back to Listen
TNC->InternalCmd = 'T';
TNC->Timeout = 50;
TNC->IntCmdDelay--;
// Restart Scanning
sprintf(Status, "%d SCANSTART 15", TNC->Port);
Rig_Command(-1, Status);
return;
}
}
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
STREAM = &TNC->Streams[Stream];
// If in HF Packet mode, normal flow control doesn't seem to work
// If more that 4 packets sent, send a status poll. and use response to
// reset frames outstanding
if ((Stream == 0) && (TNC->HFPacket) && (TNC->Streams[0].FramesOutstanding > 4))
{
EncodeAndSend(TNC, "C10S", 4);
TNC->InternalCmd = 'S';
TNC->Timeout = 50;
return;
}
if (TNC->TNCOK && STREAM->BPQtoPACTOR_Q)
{
int datalen;
UCHAR TXMsg[1000] = "D20";
int * buffptr;
UCHAR * MsgPtr;
char Status[80];
if (STREAM->Connected)
{
int Next;
if (Stream > 0)
sprintf(TXMsg, "D1%c", Stream + '@');
else if (TNC->HFPacket)
memcpy(TXMsg, "D2A", 3);
else
{
// Pactor
// Limit amount in TX, so we keep some on the TX Q and don't send turnround too early
if (TNC->Streams[0].BytesTXed - TNC->Streams[0].BytesAcked > 200)
continue;
// Dont send if IRS State
// If in IRS state for too long, force turnround
if (TNC->TXRXState == 'R')
{
if (TNC->TimeInRX++ > 15)
EncodeAndSend(TNC, "T", 1); // Changeover to ISS
else
goto Poll;
}
TNC->TimeInRX = 0;
}
buffptr=Q_REM(&STREAM->BPQtoPACTOR_Q);
STREAM->FramesQueued--;
datalen=buffptr[1];
MsgPtr = (UCHAR *)&buffptr[2];
if (TNC->SwallowSignon && Stream == 0)
{
TNC->SwallowSignon = FALSE;
if (strstr(MsgPtr, "Connected")) // Discard *** connected
{