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linbpq/Dragon.c

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23.18
2022-08-28 09:35:46 +01:00
/*
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
*/
//
// P4Dragon support Module. Extracted from SCSPactor
//#ifdef WIN32
//#define WRITELOG
//#endif
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_DEPRECATE
#define _USE_32BIT_TIME_T
#include <stdio.h>
#include <stdlib.h>
#include "time.h"
#define MaxStreams 10 // First is used for Pactor, even though Pactor uses channel 31
#include "CHeaders.h"
#include "tncinfo.h"
#include "bpq32.h"
#ifndef WIN32
#ifndef MACBPQ
#include <sys/ioctl.h>
#include <linux/serial.h>
#endif
#endif
static char ClassName[]="DRAGONSTATUS";
static char WindowTitle[] = "P4Dragon";
static int RigControlRow = 185;
#define NARROWMODE 12 // PI/II
#define WIDEMODE 16 // PIII only
extern UCHAR BPQDirectory[];
extern char * PortConfig[33];
extern BOOL RIG_DEBUG;
static RECT Rect;
struct TNCINFO * TNCInfo[34]; // Records are Malloc'd
extern char * RigConfigMsg[35];
VOID __cdecl Debugprintf(const char * format, ...);
char NodeCall[11]; // Nodecall, Null Terminated
unsigned long _beginthread( void( *start_address )(), unsigned stack_size, int arglist);
int DoScanLine(struct TNCINFO * TNC, char * Buff, int Len);
VOID SuspendOtherPorts(struct TNCINFO * ThisTNC);
VOID ReleaseOtherPorts(struct TNCINFO * ThisTNC);
VOID DragonSuspentPort(struct TNCINFO * TNC);
VOID DragonReleasePort(struct TNCINFO * TNC);
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;
char errbuf[256];
BPQport = Port;
TNC = TNCInfo[BPQport] = malloc(sizeof(struct TNCINFO));
memset(TNC, 0, sizeof(struct TNCINFO));
TNC->InitScript = malloc(1000);
TNC->InitScript[0] = 0;
TNC->Dragon = TRUE;
goto ConfigLine;
// 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, "APPL", 4) == 0)
{
p_cmd = strtok(&buf[5], " \t\n\r");
if (p_cmd && p_cmd[0] != ';' && p_cmd[0] != '#')
TNC->ApplCmd=_strdup(_strupr(p_cmd));
}
else
if (_memicmp(buf, "PACKETCHANNELS", 14) == 0) // Packet Channels
TNC->PacketChannels = atoi(&buf[14]);
else
if (_memicmp(buf, "BUSYHOLD", 8) == 0) // Hold Time for Busy Detect
TNC->BusyHold = atoi(&buf[8]);
else
if (_memicmp(buf, "BUSYWAIT", 8) == 0) // Wait time beofre failing connect if busy
TNC->BusyWait = atoi(&buf[8]);
else
if (_memicmp(buf, "USEAPPLCALLS", 12) == 0 && buf[12] != 'F' && buf[12] != 'f')
TNC->UseAPPLCalls = TRUE;
else
if (_memicmp(buf, "USEAPPLCALLSFORPACTOR", 21) == 0)
TNC->UseAPPLCallsforPactor = TRUE;
else
if (_memicmp(buf, "DRAGON", 6) == 0)
{
if (_memicmp(&buf[7], "SINGLE", 6) == 0)
TNC->DragonSingle = TRUE;
}
else
if (_memicmp(buf, "FORCE ROBUST", 12) == 0)
TNC->ForceRobust = TNC->RobustDefault = TRUE;
else
if (_memicmp(buf, "MAXLEVEL", 8) == 0) // Maximum Pactor Level to use.
TNC->MaxLevel = atoi(&buf[8]);
else
if (_memicmp(buf, "WL2KREPORT", 10) == 0)
TNC->WL2K = DecodeWL2KReportLine(buf);
else
strcat (TNC->InitScript, buf);
}
return (TRUE);
}
static BOOL WriteCommBlock(struct TNCINFO * TNC)
{
WriteCOMBlock(TNC->hDevice, TNC->TXBuffer, TNC->TXLen);
TNC->Timeout = 20; // 2 secs
return TRUE;
}
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 SCSCheckRX(struct TNCINFO * TNC);
VOID SCSPoll(int Port);
VOID CRCStuffAndSend(struct TNCINFO * TNC, UCHAR * Msg, int Len);
unsigned short int compute_crc(unsigned char *buf,int len);
int Unstuff(UCHAR * MsgIn, UCHAR * MsgOut, int len);
VOID ProcessDEDFrame(struct TNCINFO * TNC, UCHAR * rxbuff, int len);
VOID ProcessTermModeResponse(struct TNCINFO * TNC);
VOID ExitHost(struct TNCINFO * TNC);
VOID DoTNCReinit(struct TNCINFO * TNC);
VOID DoTermModeTimeout(struct TNCINFO * TNC);
static VOID DoMonitor(struct TNCINFO * TNC, UCHAR * Msg, int Len);
int Switchmode(struct TNCINFO * TNC, int Mode);
VOID SwitchToPacketOnly(struct TNCINFO * TNC);
char status[8][8];
char ModeText[8][14];
char PactorLevelText[5][14];
char PleveltoMode[5];
#ifdef WRITELOG
static HANDLE LogHandle[32] = {INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE};
#endif
//char * Logs[4] = {"1", "2", "3", "4"};
static char BaseDir[MAX_PATH]="c:\\";
static VOID CloseLogFile(int Flags)
{
#ifdef WRITELOG
CloseHandle(LogHandle[Flags]);
LogHandle[Flags] = INVALID_HANDLE_VALUE;
#endif
}
static BOOL OpenLogFile(int Flags)
{
#ifdef WRITELOG
UCHAR FN[MAX_PATH];
time_t T;
struct tm * tm;
T = time(NULL);
tm = gmtime(&T);
sprintf(FN,"%s\\SCSLog_%02d%02d_%d.txt", BPQDirectory, tm->tm_mon + 1, tm->tm_mday, Flags);
LogHandle[Flags] = CreateFile(FN,
GENERIC_WRITE,
FILE_SHARE_READ,
NULL,
OPEN_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL);
SetFilePointer(LogHandle[Flags], 0, 0, FILE_END);
return (LogHandle[Flags] != INVALID_HANDLE_VALUE);
#endif
return 0;
}
static void WriteLogLine(int Flags, char * Msg, int MsgLen)
{
#ifdef WRITELOG
int cnt;
WriteFile(LogHandle[Flags], Msg , MsgLen, &cnt, NULL);
WriteFile(LogHandle[Flags], "\r\n" , 2, &cnt, NULL);
#endif
}
static int ExtProc(int fn, int port,unsigned char * buff)
{
int txlen = 0;
UINT * buffptr;
struct TNCINFO * TNC = TNCInfo[port];
int Param;
int Stream = 0;
struct STREAMINFO * STREAM;
char PLevel;
struct ScanEntry * Scan;
if (TNC == NULL)
return 0;
if (TNC->hDevice == 0)
{
// Clear anything from UI_Q
while (TNC->PortRecord->UI_Q)
{
buffptr = Q_REM(&TNC->PortRecord->UI_Q);
ReleaseBuffer(buffptr);
}
// Try to reopen every 30 secs
if (fn > 3 && fn < 7)
goto ok;
TNC->ReopenTimer++;
if (TNC->ReopenTimer < 300)
return 0;
TNC->ReopenTimer = 0;
OpenCOMMPort(TNC, TNC->PortRecord->PORTCONTROL.SerialPortName, TNC->PortRecord->PORTCONTROL.BAUDRATE, TRUE);
if (TNC->hDevice == 0)
return 0;
#ifndef WIN32
#ifndef MACBPQ
if (TNC->Dragon)
{
struct serial_struct sstruct;
// Need to set custom baud rate
if (ioctl(TNC->hDevice, TIOCGSERIAL, &sstruct) < 0)
{
Debugprintf("Error: Dragon could not get comm ioctl\n");
}
else
{
// set custom divisor to get 829440 baud
sstruct.custom_divisor = 29;
sstruct.flags |= ASYNC_SPD_CUST;
// set serial_struct
if (ioctl(TNC->hDevice, TIOCSSERIAL, &sstruct) < 0)
Debugprintf("Error: Dragon could not set custom comm baud divisor\n");
else
Debugprintf("Dragon custom baud rate set\n");
}
}
#endif
#endif
}
ok:
switch (fn)
{
case 7:
// 100 mS Timer. May now be needed, as Poll can be called more frequently in some circumstances
SCSCheckRX(TNC);
SCSPoll(port);
return 0;
case 1: // poll
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
if (TNC->Streams[Stream].ReportDISC)
{
TNC->Streams[Stream].ReportDISC = FALSE;
buff[4] = Stream;
return -1;
}
}
if (TNC->EnterExit)
return 0; // Switching to Term mode to change bandwidth
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
if (TNC->Streams[Stream].PACTORtoBPQ_Q !=0)
{
int datalen;
buffptr=Q_REM(&TNC->Streams[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
Stream = buff[4];
if (!TNC->TNCOK)
{
// Send Error Response
buffptr[1] = 36;
memcpy(buffptr+2, "No Connection to PACTOR TNC\r", 36);
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
return 0;
}
txlen = GetLengthfromBuffer(buff) - 8;
buffptr[1] = txlen;
memcpy(buffptr+2, &buff[8], txlen);
C_Q_ADD(&TNC->Streams[Stream].BPQtoPACTOR_Q, buffptr);
TNC->Streams[Stream].FramesOutstanding++;
return (0);
case 3: // CHECK IF OK TO SEND. Also used to check if TNC is responding
Stream = (int)buff;
STREAM = &TNC->Streams[Stream];
if (Stream == 0)
{
if (STREAM->FramesOutstanding > 4)
return (1 | TNC->HostMode << 8 | STREAM->Disconnecting << 15);
}
else
{
if (STREAM->FramesOutstanding > 3 || TNC->Buffers < 200)
return (1 | TNC->HostMode << 8 | STREAM->Disconnecting << 15); }
return TNC->HostMode << 8 | STREAM->Disconnecting << 15; // OK, but lock attach if disconnecting
case 4: // reinit
// Ensure in Pactor
TNC->TXBuffer[2] = 31;
TNC->TXBuffer[3] = 0x1;
TNC->TXBuffer[4] = 0x1;
memcpy(&TNC->TXBuffer[5], "PT", 2);
CRCStuffAndSend(TNC, TNC->TXBuffer, 7);
Sleep(25);
ExitHost(TNC);
Sleep(50);
CloseCOMPort(TNC->hDevice);
TNC->hDevice =(HANDLE) -1;
TNC->ReopenTimer = 250;
TNC->HostMode = FALSE;
return (0);
case 5: // Close
// Ensure in Pactor
TNC->TXBuffer[2] = 31;
TNC->TXBuffer[3] = 0x1;
TNC->TXBuffer[4] = 0x1;
memcpy(&TNC->TXBuffer[5], "PT", 2);
CRCStuffAndSend(TNC, TNC->TXBuffer, 7);
Sleep(25);
ExitHost(TNC);
Sleep(25);
CloseCOMPort(TNCInfo[port]->hDevice);
return (0);
case 6: // Scan Interface
Param = (int)buff;
switch (Param)
{
case 1: // Request Permission
if (TNC->TNCOK)
{
// If been in Sync a long time, or if using applcalls and
// Scan had been locked too long just let it change
if (TNC->UseAPPLCallsforPactor)
{
if (TNC->PTCStatus == 6) // Sync
{
int insync = time(NULL) - TNC->TimeEnteredSYNCMode;
if (insync > 4)
{
Debugprintf("SCS Scan - in SYNC for %d Secs - allow change regardless", insync);
return 0;
}
}
else if (TNC->TimeScanLocked)
{
int timeLocked = time(NULL) - TNC->TimeScanLocked;
if (timeLocked > 4)
{
Debugprintf("SCS Scan - Scan Locked for %d Secs - allow change regardless", timeLocked);
TNC->TimeScanLocked = 0;
return 0;
}
}
}
TNC->WantToChangeFreq = TRUE;
TNC->OKToChangeFreq = FALSE;
return TRUE;
}
return 0; // Don't lock scan if TNC isn't responding
case 2: // Check Permission
return TNC->OKToChangeFreq;
case 3: // Release Permission
TNC->WantToChangeFreq = FALSE;
if (TNC->DontReleasePermission) // Disable connects during this interval?
{
TNC->DontReleasePermission = FALSE;
if (TNC->SyncSupported == FALSE)
TNC->TimeScanLocked = time(NULL) + 100; // Make sure doesnt time out
return 0;
}
TNC->DontWantToChangeFreq = TRUE;
return 0;
default: // Param is Address of a struct ScanEntry
Scan = (struct ScanEntry *)buff;
PLevel = Scan->PMaxLevel;
if (PLevel == 0 && (Scan->HFPacketMode || Scan->RPacketMode))
{
// Switch to Packet for this Interval
if (RIG_DEBUG)
Debugprintf("Dragon Switching to Packet, %d", TNC->HFPacket);
if (TNC->HFPacket == FALSE)
SwitchToPacketOnly(TNC);
return 0;
}
if (PLevel > '0' && PLevel < '5') // 1 - 4
{
if (TNC->Bandwidth != PLevel)
{
TNC->Bandwidth = PLevel;
TNC->MinLevel = Scan->PMinLevel - '0';
Switchmode(TNC, PLevel - '0');
}
if (TNC->UseAPPLCallsforPactor && Scan->APPLCALL[0])
{
// Switch callsign
STREAM = &TNC->Streams[0];
STREAM->CmdSet = STREAM->CmdSave = malloc(100);
strcpy(STREAM->MyCall, Scan->APPLCALL);
sprintf(STREAM->CmdSet, "I%s\rI\r", STREAM->MyCall);
if (RIG_DEBUG)
Debugprintf("SCS Pactor APPLCALL Set to %s", STREAM->MyCall);
}
else
{
if (TNC->HFPacket)
SwitchToPactor(TNC);
}
}
if (Scan->RPacketMode)
if (TNC->RobustTime)
SwitchToPacket(TNC); // Always start in packet, switch to pactor after RobustTime ticks
if (PLevel == '0')
TNC->DontReleasePermission = TRUE; // Dont allow connects in this interval
else
TNC->DontReleasePermission = FALSE;
return 0;
}
}
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>SCS Pactor Status</title></head><body><h3>SCS 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>Buffers</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], "<tr><td>Mode</td><td>%s</td></tr>", TNC->WEB_PACTORLEVEL);
Len += sprintf(&Buff[Len], "</table>");
Len = DoScanLine(TNC, Buff, Len);
return Len;
}
UINT DragonExtInit(EXTPORTDATA * PortEntry)
{
char msg[500];
struct TNCINFO * TNC;
int port;
char * ptr;
int Stream = 0;
char * TempScript;
//
// Will be called once for each Pactor Port
// The COM port number is in IOBASE
//
sprintf(msg,"Dragon %s", PortEntry->PORTCONTROL.SerialPortName);
WritetoConsole(msg);
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->Hardware = H_SCS;
if (TNC->BusyHold == 0)
TNC->BusyHold = 3;
if (TNC->BusyWait == 0)
TNC->BusyWait = 10;
if (TNC->MaxLevel == 0)
TNC->MaxLevel = 3;
// Set up DED addresses for streams (first stream (Pactor) = DED 31
TNC->Streams[0].DEDStream = 31;
for (Stream = 1; Stream <= MaxStreams; Stream++)
{
TNC->Streams[Stream].DEDStream = Stream;
}
if (TNC->PacketChannels > MaxStreams)
TNC->PacketChannels = MaxStreams;
PortEntry->MAXHOSTMODESESSIONS = TNC->PacketChannels + 1;
PortEntry->PERMITGATEWAY = TRUE; // Can change ax.25 call on each stream
PortEntry->SCANCAPABILITIES = CONLOCK; // Scan Control 3 stage/conlock
TNC->PortRecord = PortEntry;
TNC->Interlock = PortEntry->PORTCONTROL.PORTINTERLOCK;
if (PortEntry->PORTCONTROL.PORTCALL[0] == 0)
memcpy(TNC->NodeCall, MYNODECALL, 10);
else
ConvFromAX25(&PortEntry->PORTCONTROL.PORTCALL[0], TNC->NodeCall);
PortEntry->PORTCONTROL.PROTOCOL = 10;
PortEntry->PORTCONTROL.PORTQUALITY = 0;
if (PortEntry->PORTCONTROL.PORTPACLEN == 0)
PortEntry->PORTCONTROL.PORTPACLEN = 100;
TNC->SuspendPortProc = DragonSuspentPort;
TNC->ReleasePortProc = DragonReleasePort;
PortEntry->PORTCONTROL.UICAPABLE = TRUE;
ptr=strchr(TNC->NodeCall, ' ');
if (ptr) *(ptr) = 0; // Null Terminate
// get NODECALL for RP tests
memcpy(NodeCall, MYNODECALL, 10);
ptr=strchr(NodeCall, ' ');
if (ptr) *(ptr) = 0; // Null Terminate
// Set TONES to 4
TempScript = malloc(1000);
strcpy(TempScript, "QUIT\r"); // In case in pac: mode
strcat(TempScript, "TONES 4\r"); // Tones may be changed but I want this as standard
strcat(TempScript, "MAXERR 30\r"); // Max retries
strcat(TempScript, "MODE 0\r"); // ASCII mode, no PTC II compression (Forwarding will use FBB Compression)
strcat(TempScript, "MAXSUM 20\r"); // Max count for memory ARQ
strcat(TempScript, "CWID 0 2\r"); // CW ID disabled
strcat(TempScript, "PTCC 0\r"); // Dragon out of PTC Compatibility Mode
strcat(TempScript, "VER\r"); // Try to determine Controller Type
sprintf(msg, "MYLEVEL %d\r", TNC->MaxLevel);
strcat(TempScript, msg); // Default Level to MAXLEVEL
strcat(TempScript, TNC->InitScript);
free(TNC->InitScript);
TNC->InitScript = TempScript;
// Others go on end so they can't be overriden
strcat(TNC->InitScript, "ADDLF 0\r"); // Auto Line Feed disabled
strcat(TNC->InitScript, "ARX 0\r"); // Amtor Phasing disabled
strcat(TNC->InitScript, "BELL 0\r"); // Disable Bell
strcat(TNC->InitScript, "BC 0\r"); // FEC reception is disabled
strcat(TNC->InitScript, "BKCHR 2\r"); // Breakin Char = 2
strcat(TNC->InitScript, "CHOBELL 0\r"); // Changeover Bell off
strcat(TNC->InitScript, "CMSG 0\r"); // Connect Message Off
strcat(TNC->InitScript, "LFIGNORE 0\r"); // No insertion of Line feed
strcat(TNC->InitScript, "LISTEN 0\r"); // Pactor Listen disabled
strcat(TNC->InitScript, "MAIL 0\r"); // Disable internal mailbox reporting
strcat(TNC->InitScript, "REMOTE 0\r"); // Disable remote control
strcat(TNC->InitScript, "PAC CBELL 0\r"); //
strcat(TNC->InitScript, "PAC CMSG 0\r"); //
strcat(TNC->InitScript, "PAC PRBOX 0\r"); // Turn off Packet Radio Mailbox
// Automatic Status must be enabled for BPQ32
// Pactor must use Host Mode Chanel 31
// PDuplex must be set. The Node code relies on automatic IRS/ISS changeover
// 5 second duplex timer
strcat(TNC->InitScript, "STATUS 2\rPTCHN 31\rPDUPLEX 1\rPDTIMER 5\r");
sprintf(msg, "MYCALL %s\rPAC MYCALL %s\r", TNC->NodeCall, TNC->NodeCall);
strcat(TNC->InitScript, msg);
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);
TNC->WEB_PACTORLEVEL = zalloc(100);
#ifndef LINBPQ
CreatePactorWindow(TNC, ClassName, WindowTitle, RigControlRow, PacWndProc, 235, 500);
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", "Buffers", 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->xIDC_PACTORLEVEL = CreateWindowEx(0, "STATIC", "Mode", WS_CHILD | WS_VISIBLE,10,160,430,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->ClientHeight = 240;
TNC->ClientWidth = 500;
MoveWindows(TNC);
#endif
OpenCOMMPort(TNC, PortEntry->PORTCONTROL.SerialPortName, PortEntry->PORTCONTROL.BAUDRATE, FALSE);
#ifndef WIN32
#ifndef MACBPQ
if (TNC->Dragon)
{
struct serial_struct sstruct;
// Need to set custom baud rate
if (ioctl(TNC->hDevice, TIOCGSERIAL, &sstruct) < 0)
{
printf("Error: Dragon could not get comm ioctl\n");
}
else
{
// set custom divisor to get 829440 baud
sstruct.custom_divisor = 29;
sstruct.flags |= ASYNC_SPD_CUST;
// set serial_struct
if (ioctl(TNC->hDevice, TIOCSSERIAL, &sstruct) < 0)
Debugprintf("Error: Dragon could not set custom comm baud divisor\n");
else
Debugprintf("Dragon custom baud rate set\n");
}
}
#endif
#endif
if (TNC->RobustDefault)
SwitchToPacket(TNC);
WritetoConsole("\n");
return ((int)ExtProc);
}
VOID DragonPoll(int Port)
{
struct TNCINFO * TNC = TNCInfo[Port];
UCHAR * Poll = TNC->TXBuffer;
char Status[80];
int Stream = 0;
int nn;
struct STREAMINFO * STREAM;
if (TNC->MinLevelTimer)
{
TNC->MinLevelTimer--;
if (TNC->MinLevelTimer == 0)
{
// Failed to reach min level in 15 secs
STREAM = &TNC->Streams[0];
if (STREAM->Connected)
{
UINT * buffptr;
Debugprintf("Required Min Level not reached - disconnecting");
// Discard Queued Data, Send a Message, then a disconnect
while (STREAM->BPQtoPACTOR_Q)
ReleaseBuffer(Q_REM(&STREAM->BPQtoPACTOR_Q));
STREAM->NeedDisc = 15; // 1 secs
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr[1] = sprintf((char *)&buffptr[2],
"This port only allows Pactor Level %d or above - Disconnecting\r\n", TNC->MinLevel);
C_Q_ADD(&STREAM->BPQtoPACTOR_Q, buffptr);
}
}
}
if (TNC->SwitchToPactor)
{
TNC->SwitchToPactor--;
if (TNC->SwitchToPactor == 0)
SwitchToPactor(TNC);
}
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
if (TNC->PortRecord->ATTACHEDSESSIONS[Stream] && TNC->Streams[Stream].Attached == 0)
{
// New Attach
// If Pactor, stop scanning and take out of listen mode.
// Set call to connecting user's call
// If Stream 0 Put in Pactor Mode so Busy Detect will work
int calllen=0;
TNC->Streams[Stream].Attached = TRUE;
calllen = ConvFromAX25(TNC->PortRecord->ATTACHEDSESSIONS[Stream]->L4USER, TNC->Streams[Stream].MyCall);
TNC->Streams[Stream].MyCall[calllen] = 0;
if (Stream == 0)
{
// Release Scan Lock if it is held
if (TNC->DontReleasePermission)
{
TNC->DontReleasePermission = FALSE;
TNC->DontWantToChangeFreq = TRUE;
}
TNC->Streams[Stream].CmdSet = TNC->Streams[Stream].CmdSave = malloc(100);
sprintf(TNC->Streams[Stream].CmdSet, "I%s\r", "SCSPTC");
Debugprintf("SCS Pactor CMDSet = %s", TNC->Streams[Stream].CmdSet);
SuspendOtherPorts(TNC); // Prevent connects on other ports in same scan gruop
sprintf(TNC->WEB_TNCSTATE, "In Use by %s", TNC->Streams[0].MyCall);
SetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
// Stop Scanner
sprintf(Status, "%d SCANSTOP", TNC->Port);
TNC->SwitchToPactor = 0; // Cancel any RP to Pactor switch
Rig_Command(-1, Status);
}
}
}
if (TNC->Timeout)
{
TNC->Timeout--;
if (TNC->Timeout) // Still waiting
return;
TNC->Retries--;
if(TNC->Retries)
{
WriteCommBlock(TNC); // Retransmit Block
return;
}
// Retried out.
if (TNC->HostMode == 0)
{
DoTermModeTimeout(TNC);
return;
}
// Retried out in host mode - Clear any connection and reinit the TNC
Debugprintf("PACTOR - Link to TNC Lost");
TNC->TNCOK = FALSE;
sprintf(TNC->WEB_COMMSSTATE,"%s Open but TNC not responding", TNC->PortRecord->PORTCONTROL.SerialPortName);
SetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
// Clear anything from UI_Q
while (TNC->PortRecord->UI_Q)
{
UINT * buffptr = Q_REM(&TNC->PortRecord->UI_Q);
ReleaseBuffer(buffptr);
}
TNC->HostMode = 0;
TNC->ReinitState = 0;
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
if (TNC->PortRecord->ATTACHEDSESSIONS[Stream]) // Connected
{
TNC->Streams[Stream].Connected = FALSE; // Back to Command Mode
TNC->Streams[Stream].ReportDISC = TRUE; // Tell Node
}
}
}
// We delay clearing busy for BusyHold secs
if (TNC->Busy)
if (TNC->Mode != 7)
TNC->Busy--;
if (TNC->BusyDelay) // Waiting to send connect
{
// Still Busy?
if (InterlockedCheckBusy(TNC) == 0)
{
// No, so send
TNC->Streams[0].CmdSet = TNC->ConnectCmd;
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);
Debugprintf("SCS Pactor CMDSet = %s", TNC->Streams[0].CmdSet);
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);
}
}
}
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
STREAM = &TNC->Streams[Stream];
if (STREAM->Attached)
CheckForDetach(TNC, Stream, STREAM, TidyClose, ForcedClose, CloseComplete);
if (STREAM->NeedDisc)
{
STREAM->NeedDisc--;
if (STREAM->NeedDisc == 0)
STREAM->ReportDISC = TRUE;
}
if (TNC->Timeout)
return; // We've sent something
}
// if we have just restarted or TNC appears to be in terminal mode, run Initialisation Sequence
if (!TNC->HostMode)
{
DoTNCReinit(TNC);
return;
}
TNC->PollSent = FALSE;
//If sending internal command list, send next element
for (Stream = 0; Stream <= MaxStreams; Stream++)
{
if (TNC->Streams[Stream].CmdSet)
{
char * start, * end;
int len;
start = TNC->Streams[Stream].CmdSet;
if (*(start) == 0) // End of Script
{
free(TNC->Streams[Stream].CmdSave);
TNC->Streams[Stream].CmdSet = NULL;
}
else
{
if (*(start) == 1)
{
// This is UI data, not a command. Send it to channel 0
int uilen = strlen(&start[1]);
Poll[2] = 0; // UI Channel
Poll[3] = 0; // Data
Poll[4] = uilen - 1;
memcpy(&Poll[5], &start[1], uilen);
CRCStuffAndSend(TNC, Poll, uilen + 5);
free(TNC->Streams[Stream].CmdSave);
TNC->Streams[Stream].CmdSet = NULL;
return;
}
end = strchr(start, 13);
len = ++end - start -1; // exclude cr
TNC->Streams[Stream].CmdSet = end;
Poll[2] = TNC->Streams[Stream].DEDStream; // Channel
Poll[3] = 1; // Command
Poll[4] = len - 1;
memcpy(&Poll[5], start, len);
OpenLogFile(TNC->Port);
WriteLogLine(TNC->Port, &Poll[5], len);
CloseLogFile(TNC->Port);
CRCStuffAndSend(TNC, Poll, len + 5);
return;
}
}
}
// if Freq Change needed, check if ok to do it.
if (TNC->TNCOK)
{
if (TNC->WantToChangeFreq)
{
Poll[2] = 31; // Command
Poll[3] = 1; // Command
Poll[4] = 2; // Len -1
Poll[5] = '%';
Poll[6] = 'W';
Poll[7] = '0';
CRCStuffAndSend(TNC, Poll, 8);
TNC->InternalCmd = TRUE;
TNC->WantToChangeFreq = FALSE;
return;
}
if (TNC->DontWantToChangeFreq)
{
Poll[2] = 31; // Command
Poll[3] = 1; // Command
Poll[4] = 2; // Len -1
Poll[5] = '%';
Poll[6] = 'W';
Poll[7] = '1';
CRCStuffAndSend(TNC, Poll, 8);
TNC->InternalCmd = TRUE;
TNC->DontWantToChangeFreq = FALSE;
TNC->OKToChangeFreq = FALSE;
return;
}
}
// Send Radio Command if avail
if (TNC->TNCOK && TNC->BPQtoRadio_Q)
{
int datalen;
UINT * buffptr;
buffptr=Q_REM(&TNC->BPQtoRadio_Q);
datalen=buffptr[1];
Poll[2] = 253; // Radio Channel
Poll[3] = 0; // Data?
Poll[4] = datalen - 1;
memcpy(&Poll[5], buffptr+2, datalen);
ReleaseBuffer(buffptr);
CRCStuffAndSend(TNC, Poll, datalen + 5);
if (RIG_DEBUG)
{
Debugprintf("SCS Rig Command Queued, Len = %d", datalen );
Debugprintf("%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
Poll[5], Poll[6], Poll[7], Poll[8], Poll[9], Poll[10], Poll[11], Poll[12],
Poll[13], Poll[14], Poll[15], Poll[16], Poll[17], Poll[18], Poll[19], Poll[20]);
}
// Debugprintf("SCS Sending Rig Command");
return;
}
if (TNC->TNCOK && TNC->PortRecord->UI_Q)
{
int datalen;
char * Buffer;
char CCMD[80] = "C";
char Call[12] = " ";
struct _MESSAGE * buffptr;
buffptr = Q_REM(&TNC->PortRecord->UI_Q);
datalen = buffptr->LENGTH - 7;
Buffer = &buffptr->DEST[0]; // Raw Frame
Buffer[datalen] = 0;
// Buffer has an ax.25 header, which we need to pick out and set as channel 0 Connect address
// before sending the beacon
ConvFromAX25(Buffer, &Call[1]); // Dest
strlop(&Call[1], ' ');
strcat(CCMD, Call);
Buffer += 14; // Skip Origin
datalen -= 7;
while ((Buffer[-1] & 1) == 0)
{
ConvFromAX25(Buffer, &Call[1]);
strlop(&Call[1], ' ');
strcat(CCMD, Call);
Buffer += 7; // End of addr
datalen -= 7;
}
if (Buffer[0] == 3) // UI
{
Buffer += 2;
datalen -= 2;
Poll[2] = 0; // UI Channel
Poll[3] = 1; // CMD
Poll[4] = strlen(CCMD) - 1;
strcpy(&Poll[5], CCMD);
CRCStuffAndSend(TNC, Poll, Poll[4] + 6); // Set Dest and Path
TNC->Streams[0].CmdSet = TNC->Streams[0].CmdSave = zalloc(400);
sprintf(TNC->Streams[0].CmdSet, "%c%s", 1, Buffer); // Flag CmdSet as Data
}
ReleaseBuffer((UINT *)buffptr);
return;
}
// Check status Periodically
if (TNC->TNCOK)
{
if (TNC->IntCmdDelay == 6)
{
Poll[2] = 254; // Channel
Poll[3] = 0x1; // Command
Poll[4] = 1; // Len-1
Poll[5] = 'G'; // Extended Status Poll
Poll[6] = '3';
CRCStuffAndSend(TNC, Poll, 7);
TNC->InternalCmd = TRUE;
TNC->IntCmdDelay--;
return;
}
if (TNC->IntCmdDelay == 4)
{
Poll[2] = 31; // Channel
Poll[3] = 0x1; // Command
Poll[4] = 1; // Len-1
Poll[5] = '%'; // Bytes acked Status
Poll[6] = 'T';
CRCStuffAndSend(TNC, Poll, 7);
TNC->InternalCmd = TRUE;
TNC->IntCmdDelay--;
return;
}
if (TNC->IntCmdDelay <=0)
{
Poll[2] = 31; // Channel
Poll[3] = 0x1; // Command
Poll[4] = 1; // Len-1
Poll[5] = '@'; // Buffer Status
Poll[6] = 'B';
CRCStuffAndSend(TNC, Poll, 7);
TNC->InternalCmd = TRUE;
TNC->IntCmdDelay = 20; // Every 2 secs
return;
}
else
TNC->IntCmdDelay--;
}
// If busy, send status poll, send Data if avail
// We need to start where we last left off, or a busy stream will lock out the others
for (nn = 0; nn <= MaxStreams; nn++)
{
Stream = TNC->LastStream++;
if (TNC->LastStream > MaxStreams) TNC->LastStream = 0;
if (TNC->TNCOK && TNC->Streams[Stream].BPQtoPACTOR_Q)
{
int datalen;
UINT * buffptr;
char * Buffer;
// Dont send to Pactor if waiting for Min Level to be reached
if (TNC->MinLevelTimer && Stream == 0)
continue;
buffptr=Q_REM(&TNC->Streams[Stream].BPQtoPACTOR_Q);
datalen=buffptr[1];
Buffer = (char *)&buffptr[2]; // Data portion of frame
Poll[2] = TNC->Streams[Stream].DEDStream; // Channel
if (TNC->Streams[Stream].Connected)
{
if (TNC->SwallowSignon && Stream == 0)
{
TNC->SwallowSignon = FALSE;
if (strstr(Buffer, "Connected")) // Discard *** connected
{
ReleaseBuffer(buffptr);
return;
}
}
Poll[3] = 0; // Data?
TNC->Streams[Stream].BytesTXed += datalen;
Poll[4] = datalen - 1;
memcpy(&Poll[5], buffptr+2, datalen);
ReleaseBuffer(buffptr);
OpenLogFile(TNC->Port);
WriteLogLine(TNC->Port, &Poll[5], datalen);
CloseLogFile(TNC->Port);
CRCStuffAndSend(TNC, Poll, datalen + 5);
TNC->Streams[Stream].InternalCmd = TNC->Streams[Stream].Connected;
if (STREAM->Disconnecting && TNC->Streams[Stream].BPQtoPACTOR_Q == 0)
TidyClose(TNC, 0);
return;
}
// Command. Do some sanity checking and look for things to process locally
Poll[3] = 1; // Command
datalen--; // Exclude CR
Buffer[datalen] = 0; // Null Terminate
_strupr(Buffer);
if (_memicmp(Buffer, "D", 1) == 0)
{
TNC->Streams[Stream].ReportDISC = TRUE; // Tell Node
ReleaseBuffer(buffptr);
return;
}
if (memcmp(Buffer, "RADIO ", 6) == 0)
{
sprintf(&Buffer[40], "%d %s", TNC->Port, &Buffer[6]);
if (Rig_Command(TNC->PortRecord->ATTACHEDSESSIONS[0]->L4CROSSLINK->CIRCUITINDEX, &Buffer[40]))
{
ReleaseBuffer(buffptr);
}
else
{
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "%s", &Buffer[40]);
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
}
return;
}
if (memcmp(Buffer, "MYLEVEL ", 8) == 0)
{
Switchmode(TNC, Buffer[8] - '0');
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "Ok\r");
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
return;
}
if (_memicmp(Buffer, "OVERRIDEBUSY", 12) == 0)
{
TNC->OverrideBusy = TRUE;
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "SCS} OK\r");
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
return;
}
if ((Stream == 0) && memcmp(Buffer, "RPACKET", 7) == 0)
{
TNC->HFPacket = TRUE;
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "SCS} OK\r");
C_Q_ADD(&TNC->Streams[0].PACTORtoBPQ_Q, buffptr);
return;
}
if ((Stream == 0) && memcmp(Buffer, "PACTOR", 6) == 0)
{
TNC->HFPacket = FALSE;
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "SCS} OK\r");
C_Q_ADD(&TNC->Streams[0].PACTORtoBPQ_Q, buffptr);
return;
}
if (Stream == 0 && Buffer[0] == 'C' && datalen > 2) // Pactor Connect
Poll[2] = TNC->Streams[0].DEDStream = 31; // Pactor Channel
if (Stream == 0 && Buffer[0] == 'R' && Buffer[1] == 'C') // Robust Packet Connect
{
Poll[2] = TNC->Streams[0].DEDStream = 30; // Last Packet Channel
memmove(Buffer, &Buffer[1], datalen--);
}
if (Buffer[0] == 'C' && datalen > 2) // Connect
{
if (*(++Buffer) == ' ') Buffer++; // Space isn't needed
if ((memcmp(Buffer, "P1 ", 3) == 0) ||(memcmp(Buffer, "P2 ", 3) == 0))
{
// Port Selector for Packet Connect convert to 2:CALL
Buffer[0] = Buffer[1];
Buffer[1] = ':';
memmove(&Buffer[2], &Buffer[3], datalen--);
Buffer += 2;
}
memcpy(TNC->Streams[Stream].RemoteCall, Buffer, 9);
TNC->Streams[Stream].Connecting = TRUE;
if (Stream == 0)
{
// Send Call, Mode Command followed by connect
TNC->Streams[0].CmdSet = TNC->Streams[0].CmdSave = malloc(100);
if (TNC->Streams[0].DEDStream == 30)
sprintf(TNC->Streams[0].CmdSet, "I%s\rPR\r%s\r", TNC->Streams[0].MyCall, (char *)buffptr+8);
else
if (TNC->Dragon)
sprintf(TNC->Streams[0].CmdSet, "I%s\r%s\r", TNC->Streams[0].MyCall, (char *)buffptr+8);
else
sprintf(TNC->Streams[0].CmdSet, "I%s\rPT\r%s\r", TNC->Streams[0].MyCall, (char *)buffptr+8);
ReleaseBuffer(buffptr);
// See if Busy
if (InterlockedCheckBusy(TNC))
{
// Channel Busy. Unless override set, wait
if (TNC->OverrideBusy == 0)
{
// Send Mode Command now, save command, and wait up to 10 secs
// No, leave in Pactor, or Busy Detect won't work. Queue the whole conect sequence
TNC->ConnectCmd = TNC->Streams[0].CmdSet;
TNC->Streams[0].CmdSet = NULL;
sprintf(TNC->WEB_TNCSTATE, "Waiting for clear channel");
SetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
TNC->BusyDelay = TNC->BusyWait * 10;
TNC->Streams[Stream].Connecting = FALSE; // Not connecting Yet
return;
}
}
TNC->OverrideBusy = FALSE;
sprintf(TNC->WEB_TNCSTATE, "%s Connecting to %s", TNC->Streams[Stream].MyCall, TNC->Streams[Stream].RemoteCall);
SetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
Debugprintf("SCS Pactor CMDSet = %s", TNC->Streams[Stream].CmdSet);
TNC->Streams[0].InternalCmd = FALSE;
return;
}
}
Poll[4] = datalen - 1;
memcpy(&Poll[5], buffptr+2, datalen);
ReleaseBuffer(buffptr);
OpenLogFile(TNC->Port);
WriteLogLine(TNC->Port, &Poll[5], datalen);
CloseLogFile(TNC->Port);
CRCStuffAndSend(TNC, Poll, datalen + 5);
TNC->Streams[Stream].InternalCmd = TNC->Streams[Stream].Connected;
return;
}
// if frames outstanding, issue a poll
if (TNC->Streams[Stream].FramesOutstanding)
{
Poll[2] = TNC->Streams[Stream].DEDStream;
Poll[3] = 0x1; // Command
Poll[4] = 0; // Len-1
Poll[5] = 'L'; // Status
CRCStuffAndSend(TNC, Poll, 6);
TNC->InternalCmd = TRUE;
TNC->IntCmdDelay--;
return;
}
}
TNC->PollSent = TRUE;
// Use General Poll (255)
Poll[2] = 255 ; // Channel
Poll[3] = 0x1; // Command
if (TNC->ReinitState == 3)
{
TNC->ReinitState = 0;
Poll[3] = 0x41;
}
Poll[4] = 0; // Len-1
Poll[5] = 'G'; // Poll
CRCStuffAndSend(TNC, Poll, 6);
TNC->InternalCmd = FALSE;
return;
}
//#include "Mmsystem.h"
static VOID ProcessIncomingCall(struct TNCINFO * TNC, struct STREAMINFO * STREAM, int Stream)
{
APPLCALLS * APPL;
char * ApplPtr = APPLS;
int App;
char Appl[10];
char FreqAppl[10] = ""; // Frequecy-specific application
char DestCall[10];
TRANSPORTENTRY * SESS;
struct WL2KInfo * WL2K = TNC->WL2K;
UCHAR * ptr;
UCHAR Buffer[80];
UINT * buffptr;
char * Call = STREAM->RemoteCall;
if (Stream > 0 && Stream < 30)
ProcessIncommingConnectEx(TNC, Call, Stream, FALSE, TRUE); // No CTEXT
else
ProcessIncommingConnectEx(TNC, Call, Stream, TRUE, TRUE);
SESS = TNC->PortRecord->ATTACHEDSESSIONS[Stream];
if (SESS == NULL)
return; // Cant do much without one
if (Stream > 0 && Stream < 30)
{
// Packet Connect. Much safer to process here, even though it means
// duplicating some code, or the Pactor/RP mode tests get very complicated
strcpy(DestCall, STREAM->MyCall);
Debugprintf("PTC Packet Incoming Call - MYCALL = *%s*", DestCall);
for (App = 0; App < 32; App++)
{
APPL=&APPLCALLTABLE[App];
memcpy(Appl, APPL->APPLCALL_TEXT, 10);
ptr=strchr(Appl, ' ');
if (ptr)
*ptr = 0;
if (_stricmp(DestCall, Appl) == 0)
break;
}
if (App < 32)
{
char AppName[13];
memcpy(AppName, &ApplPtr[App * sizeof(CMDX)], 12);
AppName[12] = 0;
// Make sure app is available
Debugprintf("Connect is to APPL %s", AppName);
if (CheckAppl(TNC, AppName))
{
int MsgLen = sprintf(Buffer, "%s\r", AppName);
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr[1] = MsgLen;
memcpy(buffptr+2, Buffer, MsgLen);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
TNC->SwallowSignon = TRUE;
}
else
{
char Msg[] = "Application not available\r\n";
// Send a Message, then a disconenct
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr[1] = strlen(Msg);
memcpy(&buffptr[2], Msg, strlen(Msg));
C_Q_ADD(&STREAM->BPQtoPACTOR_Q, buffptr);
STREAM->NeedDisc = 100; // 10 secs
}
return;
}
// Not to a known appl - drop through to Node
if (CTEXTLEN)
{
int Len = CTEXTLEN, CTPaclen = 100;
int Next = 0;
while (Len > CTPaclen) // CTEXT Paclen
{
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr[1] = CTPaclen;
memcpy(&buffptr[2], &CTEXTMSG[Next], CTPaclen);
C_Q_ADD(&STREAM->BPQtoPACTOR_Q, buffptr);
Next += CTPaclen;
Len -= CTPaclen;
}
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr[1] = Len;
memcpy(&buffptr[2], &CTEXTMSG[Next], Len);
C_Q_ADD(&STREAM->BPQtoPACTOR_Q, buffptr);
}
return;
}
//Connect on HF port. May be Pactor or RP on some models
if (TNC->RIG && TNC->RIG != &TNC->DummyRig)
{
sprintf(TNC->WEB_TNCSTATE, "%s Connected to %s Inbound Freq %s", STREAM->RemoteCall, TNC->NodeCall, TNC->RIG->Valchar);
SESS->Frequency = (atof(TNC->RIG->Valchar) * 1000000.0) + 1500; // Convert to Centre Freq
// If Scan Entry has a Appl, save it
if (TNC->RIG->FreqPtr[0]->APPL[0])
strcpy(FreqAppl, &TNC->RIG->FreqPtr[0]->APPL[0]);
}
else
{
sprintf(TNC->WEB_TNCSTATE, "%s Connected to %s Inbound", STREAM->RemoteCall, TNC->NodeCall);
if (WL2K)
SESS->Frequency = WL2K->Freq;
}
if (WL2K)
strcpy(SESS->RMSCall, WL2K->RMSCall);
SESS->Mode = PleveltoMode[TNC->Streams[Stream].PTCStatus1];
SetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
if (TNC->MinLevel > 1)
TNC->MinLevelTimer = 150; // Check we have reached right level
// If an autoconnect APPL is defined, send it
// See which application the connect is for
strcpy(DestCall, STREAM->MyCall);
Debugprintf("Pactor Incoming Call - MYCALL = *%s*", DestCall);
if (TNC->UseAPPLCallsforPactor && strcmp(DestCall, TNC->NodeCall) != 0) // Not Connect to Node Call
{
for (App = 0; App < 32; App++)
{
APPL=&APPLCALLTABLE[App];
memcpy(Appl, APPL->APPLCALL_TEXT, 10);
ptr=strchr(Appl, ' ');
if (ptr)
*ptr = 0;
if (_stricmp(DestCall, Appl) == 0)
break;
}
if (App < 32)
{
char AppName[13];
memcpy(AppName, &ApplPtr[App * sizeof(CMDX)], 12);
AppName[12] = 0;
// Make sure app is available
Debugprintf("Connect is to APPL %s", AppName);
if (CheckAppl(TNC, AppName))
{
int MsgLen = sprintf(Buffer, "%s\r", AppName);
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr[1] = MsgLen;
memcpy(buffptr+2, Buffer, MsgLen);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
TNC->SwallowSignon = TRUE;
}
else
{
char Msg[] = "Application not available\r\n";
// Send a Message, then a disconenct
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr[1] = strlen(Msg);
memcpy(&buffptr[2], Msg, strlen(Msg));
C_Q_ADD(&STREAM->BPQtoPACTOR_Q, buffptr);
STREAM->NeedDisc = 100; // 10 secs
}
return;
}
// Not to a known appl - drop through to Node
}
if (TNC->HFPacket && TNC->UseAPPLCalls)
goto DontUseAPPLCmd;
Debugprintf("Pactor Call is %s Freq Specific Appl is %s Freq is %s",
DestCall, FreqAppl, TNC->RIG->Valchar);
if (FreqAppl[0]) // Frequency spcific APPL overrides TNC APPL
{
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
Debugprintf("Using Freq Specific Appl %s", FreqAppl);
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "%s\r", FreqAppl);
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
TNC->SwallowSignon = TRUE;
return;
}
if (TNC->ApplCmd)
{
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
Debugprintf("Using Default Appl %s", TNC->ApplCmd);
buffptr[1] = sprintf((UCHAR *)&buffptr[2], "%s\r", TNC->ApplCmd);
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
TNC->SwallowSignon = TRUE;
return;
}
DontUseAPPLCmd:
if (FULL_CTEXT && CTEXTLEN && HFCTEXTLEN == 0)
{
int Len = CTEXTLEN, CTPaclen = 100;
int Next = 0;
while (Len > CTPaclen) // CTEXT Paclen
{
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr[1] = CTPaclen;
memcpy(&buffptr[2], &CTEXTMSG[Next], CTPaclen);
C_Q_ADD(&STREAM->BPQtoPACTOR_Q, buffptr);
Next += CTPaclen;
Len -= CTPaclen;
}
buffptr = GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr[1] = Len;
memcpy(&buffptr[2], &CTEXTMSG[Next], Len);
C_Q_ADD(&STREAM->BPQtoPACTOR_Q, buffptr);
}
}
#pragma pack(1)
typedef struct _MESSAGEY
{
// BASIC LINK LEVEL MESSAGE BUFFER LAYOUT
struct _MESSAGEY * CHAIN;
UCHAR PORT;
USHORT LENGTH;
UCHAR DEST[7];
UCHAR ORIGIN[7];
// MAY BE UP TO 56 BYTES OF DIGIS
UCHAR CTL;
UCHAR PID;
union
{ /* array named screen */
UCHAR L2DATA[256];
struct _L3MESSAGE L3MSG;
};
UCHAR Padding[BUFFLEN - sizeof(time_t) - sizeof(VOID *) - 256 - 7 - 16];
time_t Timestamp;
VOID * Linkptr; // For ACKMODE processing
}MESSAGEY;
#pragma pack()
static MESSAGEY Monframe; // I frames come in two parts.
#define TIMESTAMP 352
MESSAGEY * AdjMsg; // Adjusted fir digis
static VOID DoMonitor(struct TNCINFO * TNC, UCHAR * Msg, int Len)
{
// Convert to ax.25 form and pass to monitor
UCHAR * ptr, * starptr;
char * context;
if (Msg[0] == 6) // Second part of I or UI
{
int len = Msg[1] +1;
memcpy(AdjMsg->L2DATA, &Msg[2], len);
Monframe.LENGTH += len;
time(&Monframe.Timestamp);
BPQTRACE((MESSAGE *)&Monframe, TRUE);
return;
}
Monframe.LENGTH = 23; // Control Frame
Monframe.PORT = TNC->Port;
AdjMsg = &Monframe; // Adjusted fir digis
ptr = strstr(Msg, "fm ");
ConvToAX25(&ptr[3], Monframe.ORIGIN);
ptr = strstr(ptr, "to ");
ConvToAX25(&ptr[3], Monframe.DEST);
ptr = strstr(ptr, "via ");
if (ptr)
{
// We have digis
char Save[100];
char * fiddle;
memcpy(Save, &ptr[4], 60);
ptr = strtok_s(Save, " ", &context);
DigiLoop:
fiddle = (char *)AdjMsg;
fiddle += 7;
AdjMsg = (MESSAGEY *)fiddle;
Monframe.LENGTH += 7;
starptr = strchr(ptr, '*');
if (starptr)
*(starptr) = 0;
ConvToAX25(ptr, AdjMsg->ORIGIN);
if (starptr)
AdjMsg->ORIGIN[6] |= 0x80; // Set end of address
ptr = strtok_s(NULL, " ", &context);
if (memcmp(ptr, "ctl", 3))
goto DigiLoop;
}
AdjMsg->ORIGIN[6] |= 1; // Set end of address
ptr = strstr(Msg, "ctl ");
if (memcmp(&ptr[4], "SABM", 4) == 0)
AdjMsg->CTL = 0x2f;
else
if (memcmp(&ptr[4], "DISC", 4) == 0)
AdjMsg->CTL = 0x43;
else
if (memcmp(&ptr[4], "UA", 2) == 0)
AdjMsg->CTL = 0x63;
else
if (memcmp(&ptr[4], "DM", 2) == 0)
AdjMsg->CTL = 0x0f;
else
if (memcmp(&ptr[4], "UI", 2) == 0)
AdjMsg->CTL = 0x03;
else
if (memcmp(&ptr[4], "RR", 2) == 0)
AdjMsg->CTL = 0x1 | (ptr[6] << 5);
else
if (memcmp(&ptr[4], "RNR", 3) == 0)
AdjMsg->CTL = 0x5 | (ptr[7] << 5);
else
if (memcmp(&ptr[4], "REJ", 3) == 0)
AdjMsg->CTL = 0x9 | (ptr[7] << 5);
else
if (memcmp(&ptr[4], "FRMR", 4) == 0)
AdjMsg->CTL = 0x87;
else
if (ptr[4] == 'I')
{
AdjMsg->CTL = (ptr[5] << 5) | (ptr[6] & 7) << 1 ;
}
if (strchr(&ptr[4], '+'))
{
AdjMsg->CTL |= 0x10;
Monframe.DEST[6] |= 0x80; // SET COMMAND
}
if (strchr(&ptr[4], '-'))
{
AdjMsg->CTL |= 0x10;
Monframe.ORIGIN[6] |= 0x80; // SET COMMAND
}
if (Msg[0] == 5) // More to come
{
ptr = strstr(ptr, "pid ");
sscanf(&ptr[3], "%x", (int *)&AdjMsg->PID);
return;
}
time(&Monframe.Timestamp);
BPQTRACE((MESSAGE *)&Monframe, TRUE);
}
//1:fm G8BPQ to KD6PGI-1 ctl I11^ pid F0
//fm KD6PGI-1 to G8BPQ ctl DISC+
VOID TidyClose(struct TNCINFO * TNC, int Stream)
{
// Queue it as we may have just sent data
TNC->Streams[Stream].CmdSet = TNC->Streams[Stream].CmdSave = malloc(100);
sprintf(TNC->Streams[Stream].CmdSet, "D\r");
}
VOID ForcedClose(struct TNCINFO * TNC, int Stream)
{
// Sending D twice should do a "Dirty Disconnect"
// Try thst first. If it still doesn't disconnect maybe try restart
unsigned char Resp[500] = "";
char * Poll = &TNC->TXBuffer[0];
int n;
Debugprintf("Failed to disconnect TNC - trying a forced disconnect");
Poll[2] = 31;
Poll[3] = 1;
Poll[4] = 0;
Poll[5] = 'D';
CRCStuffAndSend(TNC, Poll, 6);
// Wait for response before sending another
n = 0;
while (CheckRXHost(TNC, Resp) == FALSE)
{
Sleep(5);
n++;
if (n > 100) break;
}
Poll[2] = 31;
Poll[3] = 1;
Poll[4] = 0;
Poll[5] = 'D';
CRCStuffAndSend(TNC, Poll, 6);
n = 0;
while (CheckRXHost(TNC, Resp) == FALSE)
{
Sleep(5);
n++;
if (n > 100) break;
}
// See if it worked
Poll[2] = 254; // Channel
Poll[3] = 0x1; // Command
Poll[4] = 1; // Len-1
Poll[5] = 'G'; // Extended Status Poll
Poll[6] = '3';
CRCStuffAndSend(TNC, Poll, 7);
n = 0;
while (CheckRXHost(TNC, Resp) == FALSE)
{
Sleep(5);
n++;
if (n > 100) break;
}
Debugprintf("PTC Status Now %x %x %x %x %x %x %x %x",
Resp[0], Resp[1], Resp[2], Resp[3], Resp[4], Resp[5], Resp[6], Resp[7]);
TNC->Timeout = 0;
return;
// Maybe best just to restart the TNC
if (TNC->PacketChannels == 0) // Not using packet
{
Debugprintf("Forced Disconnect Failed - restarting TNC");
// Ensure in Pactor
if(TNC->Dragon == 0)
{
TNC->TXBuffer[2] = 31;
TNC->TXBuffer[3] = 0x1;
TNC->TXBuffer[4] = 0x1;
memcpy(&TNC->TXBuffer[5], "PT", 2);
CRCStuffAndSend(TNC, TNC->TXBuffer, 7);
n = 0;
while (CheckRXHost(TNC, Resp) == FALSE)
{
Sleep(5);
n++;
if (n > 100) break;
}
}
Sleep(50);
ExitHost(TNC);
Sleep(50);
n = 0;
while (CheckRXHost(TNC, Resp) == FALSE)
{
Sleep(5);
n++;
if (n > 100) break;
}
TNC->Timeout = 0;
TNC->HostMode = FALSE;
TNC->ReinitState = 0;
return;
}
}
VOID CloseComplete(struct TNCINFO * TNC, int Stream)
{
char Status[80];
struct STREAMINFO * STREAM = &TNC->Streams[Stream];
Debugprintf("SCS Pactor Close Complete - Stream = %d", Stream);
STREAM->CmdSet = STREAM->CmdSave = malloc(100);
strcpy(STREAM->MyCall, TNC->NodeCall);
if (Stream == 0 || TNC->HFPacket)
{
SetWindowText(TNC->xIDC_TNCSTATE, "Free");
strcpy(TNC->WEB_TNCSTATE, "Free");
sprintf(Status, "%d SCANSTART 15", TNC->Port);
Rig_Command(-1, Status);
if (TNC->HFPacket)
{
sprintf(STREAM->CmdSet, "I%s\rPR\r", TNC->NodeCall);
TNC->Streams[0].DEDStream = 30; // Packet Channel
Debugprintf("BPQ32 Session Closed - switch to Packet");
}
else
{
if (TNC->Dragon)
sprintf(STREAM->CmdSet, "I%s\r", TNC->NodeCall);
else
sprintf(STREAM->CmdSet, "I%s\rPT\r", TNC->NodeCall);
TNC->Streams[0].DEDStream = 31; // Pactor Channel
Debugprintf("BPQ32 Session Closed - switch to Pactor");
}
}
else
sprintf(STREAM->CmdSet, "I%s\r", TNC->NodeCall);
Debugprintf("SCS Pactor CMDSet = %s", STREAM->CmdSet);
ReleaseOtherPorts(TNC);
}
VOID DragonSuspentPort(struct TNCINFO * TNC)
{
struct STREAMINFO * STREAM = &TNC->Streams[0];
STREAM->CmdSet = STREAM->CmdSave = zalloc(100);
sprintf(STREAM->CmdSet, "I%s\r", "SCSPTC"); // Should prevent connects
Debugprintf("SCS Pactor CMDSet = %s", STREAM->CmdSet);
}
VOID DragonReleasePort(struct TNCINFO * TNC)
{
struct STREAMINFO * STREAM = &TNC->Streams[0];
STREAM->CmdSet = STREAM->CmdSave = zalloc(100);
if (TNC->UseAPPLCallsforPactor && TNC->RIG && TNC->RIG != &TNC->DummyRig)
sprintf(STREAM->CmdSet, "I%s\r", TNC->RIG->FreqPtr[0]->APPLCALL);
else
sprintf(STREAM->CmdSet, "I%s\r", TNC->NodeCall);
Debugprintf("SCS Pactor CMDSet = %s", STREAM->CmdSet);
}
VOID SwitchToPacketOnly(struct TNCINFO * TNC)
{
TNC->Streams[0].CmdSet = TNC->Streams[0].CmdSave = malloc(100);
sprintf(TNC->Streams[0].CmdSet, "PR\r");
TNC->HFPacket = TRUE;
TNC->Streams[0].DEDStream = 30; // Packet Channel
TNC->SwitchToPactor = TNC->RobustTime;
if (RIG_DEBUG)
Debugprintf("BPQ32 Scan - switch to Packet");
}