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PMHEARD.CPP
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PMHEARD.CPP
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//----------------------------------------------------------------------------
// HvA Packet monitor - Heard window.
// Based on development code of SV2AGW
//
// FILE: PMHEARD.CPP
// AUTH: Henk van Asselt
// SUBJ: DDE client for Packet Monitor
// HIST: 980112 V0.1
//----------------------------------------------------------------------------
#include "pm_glob.h"
#include <owl\owlpch.h>
#include <owl\applicat.h>
#include <owl\framewin.h>
#include <owl\dc.h>
#include <owl\menu.h>
#include <owl\inputdia.h>
#include "packmon.rh"
#include <ddeml.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <mmsystem.h> // For sound play
#include "buffer.h"
#include "packmon.h"
#include "pmheard.h"
#include "pm_node.h"
#include "pm_log.h"
#include "pm_tcpip.h"
#define GCL_STYLE (-26)
// Response table
DEFINE_RESPONSE_TABLE1(PACKMONWnd, TFrameWindow)
EV_WM_PAINT,
EV_WM_INITMENU,
EV_MESSAGE(WM_SETFONT, WMFONTS),
EV_COMMAND(CM_DDECONNECT, CmConnect),
EV_COMMAND(CM_OPENLOGFILE, CmFileOpen),
EV_COMMAND(CM_SOUNDEFFECTS, CmToggleSoundEffects),
// EV_COMMAND(CM_DDEDISCONNECT, CmDisConnect),
// EV_COMMAND(CM_REQUEST, CmRequest),
// EV_COMMAND(CM_POKE, CmPoke),
// EV_COMMAND_AND_ID(CM_ADVISE, CmAdvise),
EV_COMMAND(CM_HELPABOUT, CmHelpAbout),
END_RESPONSE_TABLE;
// Global variables
char MyCall[] = "HE1PND6";
char Window_Title[] = "PM : Heard Stations";
// static PACKMONWnd* This = 0;
pmBuff Buffer(6000);
HEARDlist heardtable(50);
NODElist nodetable(50);
PM_LOG logfile;
//////////////////////////////////////////////////////////////////
// FUNCTION: IsMultiCall()
// PURPOSE: Check if parameter 'call' is a unique call or a
// multi-call (broadcast) address
// HISTORY: 980605 V0.1
//////////////////////////////////////////////////////////////////
bool
IsMultiCall(char *call)
{
char *multiCallList[] = {
"ID",
"K40",
"FBB",
"BEACON",
"ID",
"CQ",
"NODES",
"QST",
NULL,
};
int i;
for (i=0 ; multiCallList[i] ; i++) {
if (!strcmp(call,multiCallList[i]))
return(TRUE);
}
return(FALSE);
}
//////////////////////////////////////////////////////////////////////
// Skip n lines
//////////////////////////////////////////////////////////////////////
char *skip_n_lines(char *p, int n)
{
int i;
for (i=0 ; i<n ; i++) {
while(*p && *p != '\n' && *p != '\r') // Find CR or LF
*p++;
while (*p == '\n' || *p == '\r') // Skip next CR's and LF's too
*p++;
}
return(p);
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// PID STUFF
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
class PID {
protected:
// variables
int pid;
public:
// functions
int setpid(char *s);
int setpid(int i);
int getpid(void);
char *getstr(char *s);
};
//////////////////////////////////////////////////////////////////////
// setpid(char *s)
// Convert sting, containg PID in 2 hex characters, to an integer
// The integer's hex value is the same as the string, i.e.
// "F0" is returned as 0xF0
//////////////////////////////////////////////////////////////////////
int
PID::setpid(char *s)
{
sscanf(s,"%x",&pid);
return(pid);
}
//////////////////////////////////////////////////////////////////////
// setpid(int i)
//////////////////////////////////////////////////////////////////////
int
PID::setpid(int i)
{
pid = i;
return(pid);
}
//////////////////////////////////////////////////////////////////////
// getstr(char *s)
// Convert pid to string.
// The string has to be declared outside this function
// If the input pid was invalid, the string will be made empty
//////////////////////////////////////////////////////////////////////
char *
PID::getstr(char *s)
{
if (pid > 0 && pid < 0xFF)
sprintf(s,"%02X",pid);
else
s[0] = '\0';
return(s);
}
//////////////////////////////////////////////////////////
// int getpid(void)
//////////////////////////////////////////////////////////
int
PID::getpid()
{
return(pid);
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// FRAMETYPE STUFF
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// str2frame()
// Convert sting, containg frametype, to an integer
//////////////////////////////////////////////////////////////////////
void
FRAME::set(char *s)
{
// Set default frametype
frametype = FRAME_UNKNOWN;
if (!strcmp(s,"UI"))
frametype = FRAME_UI;
else if (!strcmp(s,"UA"))
frametype = FRAME_UA;
else if (!strcmp(s,"RR"))
frametype = FRAME_RR;
else if (!strcmp(s,"REJ"))
frametype = FRAME_REJ;
else if (!strcmp(s,"DM"))
frametype = FRAME_DM;
else if (!strcmp(s,"DISC"))
frametype = FRAME_DISC;
else if (!strcmp(s,"I"))
frametype = FRAME_I;
else if (!strcmp(s,"SABM"))
frametype = FRAME_SABM;
}
//////////////////////////////////////////////////////////////////////
// FUNCTION: frame2str()
// PURPOSE : Convert frametype to string
// RETUrNS : Pointer to the string filled.
// NOTES : String s has to be defined outside this function
// HISTORY : 980208 V0.1
//////////////////////////////////////////////////////////////////////
char *
FRAME::getstr()
{
switch(frametype){
case FRAME_UI : return("UI");
case FRAME_UA : return("UA");
case FRAME_RR : return("RR");
case FRAME_REJ : return("REJ");
case FRAME_DM : return("DM");
case FRAME_DISC: return("DISC");
case FRAME_I : return("I");
case FRAME_SABM: return("SABM");
default : return("");
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////
void
PACKMONWnd::CmFileOpen()
{
#define MAXSIZE 1024
char *s;
TMenu menu(GetMenu());
if (DDE_Connected == TRUE) {
PM_Exit_DDE();
menu.CheckMenuItem(CM_DDECONNECT, MF_UNCHECKED);
DrawMenuBar();
}
static TOpenSaveDialog::TData data (
OFN_HIDEREADONLY|OFN_FILEMUSTEXIST,
"PM Log Files (*.LOG)|*.log|",
0,
0,
"LOG"
);
if (TFileOpenDialog(this, data).Execute() == IDOK) {
while (TRUE) {
// strcpy(ElementName, data.FileName); // Remember the file to open.
logfile.OpenLogFile(data.FileName);
s = logfile.ReadLogData();
if (!s) // Break from loop if end of data is detected.
break;
heardtable.analyze(s,logfile.TimeStamp());
heardtable.display();
EvPaint();
}
}
}
//////////////////////////////////////////////////////////////////////
// is_mail()
// Check if received a broadcast to station address MAIL
// Check the mail entries,
// Examples are:
// 1:Fm EU2PTR To MAIL <UI pid F0> [21:31:09]
// Mail for: PA3FCE GE
// 1:Fm NL3PND To MAIL <UI pid F0> [21:34:00]
// 27-Jan 21:33 <<< Mailbox NL3PND Purmerend >>> 1647 aktive berichten.
// Post voor:=> ALL BB1PND
//////////////////////////////////////////////////////////////////////
int HEARDlist::is_mail(char *instr)
{
char *ptr = NULL;
int i = 0;
char *key_string[]= {"Mail for:", "Post voor:", "" };
char s[256];
// Check if this was a broadcast to address MAIL
if (strstr(instr,"To MAIL")) {
return(1); // Success
}
// Check if the information contains one of the key strings
strcpy(s,instr);
for (i=0 ; *key_string[i] ; i++) {
ptr = strstr(s,key_string[i]);
if (ptr)
break;
}
if (!ptr)
return(0); // String not found
else
return(1); // String found
}
//////////////////////////////////////////////////////////////////////
// HEARlist() Constructor
//////////////////////////////////////////////////////////////////////
HEARDlist::HEARDlist(int size)
{
max = size; // Remember the size of the table
heardtable = new _heardentry[size]; // Allocate memory for table
no_stations = 0; // Set actual number of stations
// Clear complete heardtable at once.
memset(heardtable,0,size*sizeof(_heardentry));
}
//////////////////////////////////////////////////////////////////////
// FUNCTION: find_connection()
// PURPOSE : Check if the connection between 'from' to 'to'
// is already in the heard list
// RETURNS: index in heard list if the connection is found
// -1 if the connection is not found
//////////////////////////////////////////////////////////////////////
int HEARDlist::find_connection(char *from, char *to)
{
int i;
for (i=0 ; i<max ; i++) {
if (!strcmp(heardtable[i].call,from) && !strcmp(heardtable[i].tocall,to))
return(i);
}
return(-1);
}
//////////////////////////////////////////////////////////////////////
// add station to heard list
// returns: 0 if station was already in the list.
// 1 if station is added to the list.
//////////////////////////////////////////////////////////////////////
int HEARDlist::add(char *call,char *tocall, char *path, time_t timeStamp, char *pidstr, FRAME frame, int ns, int nr)
{
int index;
PID pid;
// Check if still room in table
if (no_stations >= max)
return(0);
// Check if station is not already in the list
if (find_connection(call,tocall) > -1)
return(0);
// Index is no_stations at this moment
index = no_stations;
// Store data
strcpy(heardtable[index].call,call);
strcpy(heardtable[index].tocall,tocall);
strcpy(heardtable[index].path,path);
heardtable[index].first_time = timeStamp ;
heardtable[index].last_time = timeStamp;
heardtable[index].pid |= pid.setpid(pidstr);
heardtable[index].frame = frame;
heardtable[index].no_frames = 1; // This is the 1st frame
/*
// 980419: I don't know how to resolve this one.....
switch(frame.frametype) {
case FRAME_UI: heardtable[index].UI_cntr++;
break;
case FRAME_RR: heardtable[index].RR_cntr++;
break;
case FRAME_REJ: heardtable[index].REJ_cntr++;
break;
case FRAME_DM: heardtable[index].DM_cntr++;
break;
case FRAME_DISC: heardtable[index].DISC_cntr++;
break;
case FRAME_I: heardtable[index].I_cntr++;
break;
case FRAME_SABM: heardtable[index].SABM_cntr++;
break;
default: break;
}
*/
// Increment station counter
no_stations++;
return(no_stations);
}
//////////////////////////////////////////////////////////////////////
// update()
// update station in the heard list
// returns 0 if all OK
//////////////////////////////////////////////////////////////////////
int HEARDlist::update(int index,char *path, time_t timeStamp,char *pidstr, FRAME frame, int ns, int nr)
{
PID pid;
// Store variables
heardtable[index].last_time = timeStamp;
strcpy(heardtable[index].path,path);
heardtable[index].pid |= pid.setpid(pidstr);
heardtable[index].frame = frame;
heardtable[index].no_frames += 1;
/*
// 980419: I don't know yet how to resolve this one
// Upate frame counters
switch(frametype) {
case FRAME_UI: heardtable[index].UI_cntr++;
break;
case FRAME_RR: heardtable[index].RR_cntr++;
break;
case FRAME_REJ: heardtable[index].REJ_cntr++;
break;
case FRAME_DM: heardtable[index].DM_cntr++;
break;
case FRAME_DISC: heardtable[index].DISC_cntr++;
break;
case FRAME_I: heardtable[index].I_cntr++;
break;
case FRAME_SABM: heardtable[index].SABM_cntr++;
break;
default: break;
}
*/
return(0);
}
//////////////////////////////////////////////////////////////////////
// display()
// display table of heard stations.
//////////////////////////////////////////////////////////////////////
void HEARDlist::display()
{
int i;
char s[256];
int len = 0;
char pidstr[32];
PID pid;
time_t currentTime;
time_t diffTime;
unsigned int days,hours,minutes;
Buffer.reset(); // Reset buffer pointers as if it is empty
// Print header
sprintf(s," # FROM TO PID TYPE TOT \n");
Buffer.insert(s,strlen(s));
sprintf(s,"== ========== ========== === ==== === \n");
Buffer.insert(s,strlen(s));
// Print station data of the table
for (i=0 ; i<no_stations ; i++) {
pid.setpid(heardtable[i].pid);
len = 0;
len += sprintf(s+len,"%2d ", i+1);
len += sprintf(s+len,"%-10.10s ", heardtable[i].call);
if (IsMultiCall(heardtable[i].tocall))
len += sprintf(s+len,"*");
else
len += sprintf(s+len," ");
len += sprintf(s+len,"%-10.10s ", heardtable[i].tocall);
// len += sprintf(s+len,"%3.3s ", frame.getstr());
len += sprintf(s+len,"%4.4s ", pid.getstr(pidstr));
len += sprintf(s+len,"%3d ", heardtable[i].no_frames);
Buffer.insert(s,strlen(s));
// Print path
/*
if (strlen(heardtable[i].path) != 0) {
sprintf(s,"Via %s ",heardtable[i].path);
Buffer.insert(s,strlen(s));
}
*/
// Print age
currentTime = time(NULL);
diffTime = difftime(currentTime,heardtable[i].last_time);
days = diffTime / 20864;
hours = (diffTime - (days*20864)) / 3600;
minutes = (diffTime - ((days*20864) + (hours*60))) / 60;
sprintf(s,"[%2dd/%02d:%02d] ",
days,hours,minutes);
Buffer.insert(s,strlen(s));
// Print counters. The order is illogical and irrelevant at the moment
/*
sprintf(s,"%2d %2d %2d %2d %2d %2d %2d",
heardtable[i].UI_cntr,
heardtable[i].I_cntr,
heardtable[i].RR_cntr,
heardtable[i].REJ_cntr,
heardtable[i].DM_cntr,
heardtable[i].DISC_cntr,
heardtable[i].SABM_cntr
);
Buffer.insert(s,strlen(s));
*/
// Print the IP address (if any)
if (heardtable[i].ip_address[0]) {
sprintf(s,"IP = [%s] ",heardtable[i].ip_address);
Buffer.insert(s,strlen(s));
}
// Print the ID string (if any)
if (heardtable[i].idstr) {
sprintf(s,"\nID = \"%s\" ",heardtable[i].idstr);
Buffer.insert(s,strlen(s));
}
// Print the mailstring (if any)
if (heardtable[i].mailstr) {
sprintf(s,"\n %s",heardtable[i].mailstr);
Buffer.insert(s,strlen(s));
}
// End with CR/LF
sprintf(s,"\n");
Buffer.insert(s,strlen(s));
}
}
//////////////////////////////////////////////////////////////////////
// analyze_cd()
// analyze pid=CD (ARP) transmission
// returns: > 0 if all OK
// < 0 if error detected
//
// ARP Example:
// 1:Fm NL9PND-10 To NL1MRK-1 <UI pid=CD Len=30 > [20:21:03]
// ARP: len 30 hwtype AX25 prot IP op REQUEST
// sender IPaddr 27.137.16.1 hwaddr NL9PND-10
// target IPaddr 27.137.18.21
//////////////////////////////////////////////////////////////////////
int HEARDlist::analyze_cd(char *instr) {
char *p;
int i;
int ret = 0;
// Check if this is really an ARP message
if (!strstr(instr,"pid=CD") || !strstr(instr,"ARP"))
return(-1);
// Check if this is really an request or an reply
if (!strstr(instr,"REQUEST") && !strstr(instr,"REPLY"))
return(-1);
if (SoundEffects)
sndPlaySound("bye.wav",SND_SYNC);
// Get pointer to start of 3rd line (info on request)
p = instr;
for (i=0 ; i<2 ; i++) {
while(*p != '\n' && *p != '\r') // Find CR or LF
*p++;
while (*p == '\n' || *p == '\r') // Skip next CR's and LF's too
*p++;
}
ret = analyze_arp(p);
if (strstr(instr,"REQUEST"))
return(ret);
// if this is an REPLY, goto the 4th line and get the reply data too
while(*p != '\n' && *p != '\r') // Find CR or LF
*p++;
while (*p == '\n' || *p == '\r') // Skip next CR's and LF's too
*p++;
ret = analyze_arp(p);
return(ret);
}
//////////////////////////////////////////////////////////////////////
// FUNCTION: analyze_tcpip()
//
// Example:
// 1:Fm NL9PND-10 To NL1MRK-1 <UI pid=CC Len=150 [21:53:28]
// IP: len 150 27.137.16.1->27.137.18.21 ihl 20 ttl 24 prot TCP
// TCP: 1036->25 Seq xc9e7f3b9 Ack x14de2062 ACK Wnd 2048 Data 110
// Topics covered in this issue include:
// 1) new gateway
// by Orrin Winton <[email protected]>
//////////////////////////////////////////////////////////////////////
int HEARDlist::analyze_tcpip(char *instr)
{
char *p = NULL;
PM_TCPIP data;
// Set pointer to start of input string
p = instr;
// Search for start of 2nd line
while (*p != '\n' && *p !='\r')
p++;
while (*p == '\n' || *p == '\r')
p++;
// Search for start of 3rd line
while (*p != '\n' && *p !='\r')
p++;
while (*p == '\n' || *p == '\r')
p++;
data.get_sendport(p);
data.get_rcvport(p);
data.get_seqnr(p);
return(0);
}
//////////////////////////////////////////////////////////////////////
// analyze_arp()
// analyze pid CD (TCPIP) - ARP transmission
// returns: > 0 if all OK
// < 0 if error detected
//
// ARP Example:
//
// "1:Fm NL9PND-10 To NL1MRK-1 <UI pid=CD Len=30 > [20:21:03]"
// "ARP: len 30 hwtype AX25 prot IP op REQUEST "
// "sender IPaddr 27.137.16.1 hwaddr NL9PND-10 "
// "target IPaddr 27.137.18.21 "
////////////////////////////////////////////////////////////////////////
int HEARDlist::analyze_arp(char *instr) {
char s[512];
PM_TCPIP data;
int ret = 0;
int i;
// We are already on the 3rd line of the string
// Copy the input string
strcpy(s,instr);
// Get 3rd token of the string
ret = data.get_hwip(s);
if (ret > 0) {
i = find_call(data.hw_address);
if (i > 0) {
strcpy(heardtable[i].ip_address,data.ip_address);
}
}
return(ret);
}
//////////////////////////////////////////////////////////////////////
// analyze_cf()
// analyze pid CF (netrom) transmission
// returns: 0 if all OK
// -1 if error detected
//
//////////////////////////////////////////////////////////////////////
int HEARDlist::analyze_cf(char *instr) {
char *tok = NULL;
char s[512];
char from_call[20];
char to_call[20];
char *p;
if (SoundEffects)
sndPlaySound("bye.wav",SND_SYNC);
// We play it very save to get FROM call
strcpy(s,instr); // Make an copy of the input string
p = strstr(s,"Fm"); // Find the "Fm" identifier
if (!p)
return(-1); // No From call detected.
tok = strtok(p+3," "); // Fm
if (tok)
strcpy(from_call,tok);
// We play it very save to get TO call
strcpy(s,instr); // Make an copy of the input string
p = strstr(s,"To"); // Find the "To" identifier
if (!p)
return(-1); // No From call detected.
tok = strtok(p+3," "); // Fm
if (tok)
strcpy(to_call,tok);
return(0); // Return ALL OK.
}
//////////////////////////////////////////////////////////////////////
// find_call()
// Find call in heardlist.
// Returns: > 0 index in heard list
// < 0 if call is not found
//////////////////////////////////////////////////////////////////////
int HEARDlist::find_call(char *call)
{
int i = -1;
for (i=0 ; i<max ; i++) {
if (strlen(heardtable[i].call) == 0)
return(-1);
if (!strcmp(call,heardtable[i].call)) {
return(i);
}
}
return(-1); // Not found
}
//////////////////////////////////////////////////////////////////////
// add_idstr()
// Add id string to call in heard list.
// returns: -1 if no success
//////////////////////////////////////////////////////////////////////
int HEARDlist::add_idstr(char *call, char *s)
{
int i = -1;
char *tok;
i = find_call(call);
if (i > -1) { // If found
tok = strtok(s,"\r"); // Skip first line
if (!tok)
return(-1);
tok = strtok(NULL,"\r");
if (!tok)
return(-1);
if (heardtable[i].idstr) {
free(heardtable[i].idstr);
}
heardtable[i].idstr = strdup(tok);
}
return(i);
}
//////////////////////////////////////////////////////////////////////
// add_mailstr()
// Add "mail for" string to call in heard list.
// Returns index in station list if found
// -1 in case of general error.
//////////////////////////////////////////////////////////////////////
int HEARDlist::add_mailstr(char *call, char *instr)
{
int i = -1;
char *tok;
char *s;
char *p;
s = strdup(instr); // Make copy of input string
i = find_call(call);
if (i == -1)
return(-1); // Return if call not found in list
tok = strtok(s,"\r");
while(tok) {
p = strstr(tok,"Mail for");
if (p) {
if (heardtable[i].mailstr) {
free(heardtable[i].mailstr);
}
heardtable[i].mailstr = strdup(p);
free(s);
return(i);
}
tok= strtok(NULL,"\r");
}
return(-1); // Error
}
//////////////////////////////////////////////////////////////////////
// analyze()
// analyze data by received data string from PE engine
// returnfs: 0 if all OK
// -1 if error detected
//////////////////////////////////////////////////////////////////////
int HEARDlist::analyze(char *instr, time_t timeStamp)
{
#define MAXPATHLEN 100
char s[512];
char from_call[20];
char to_call[20];
FRAME frame;
char pidstr[20];
int msglen=0;
int index = -1;
char path[MAXPATHLEN+1];
char *p = NULL;
int port;
int ns = -1 , nr = -1;
// Example input strings
// 1:Fm EU2PTR To ID Via TCP <UI pid=F0 Len=64 > [21:31:37]
// 1:Fm NL1PTP To CQ <UI pid=F0 [DAMA] Len=144 > [21:30:25]
// 1:Fm NL3PND To FBB <UI pid=F0 Len=10 > [21:20:44]
// 1:Fm NL9PTP To NODES <UI pid=CF Len=70 > [21:15:55]
// Initialize strings
from_call[0] = '\0';
to_call[0] = '\0';
pidstr[0] = '\0';
path[0]='\0';
// Get first 3 parameters, which is the same for every frame
sscanf(instr,"%d:%*s %s %*s %s",&port,from_call,to_call);
// If the keyword Via is found, extract the path
p = strstr(instr,"Via"); // Find the "Via" identifier
if (p) {
p+=4;
sscanf(p,"%s,",path);
}
// Determine the frame type (UI, I, RR etc.)
p = strstr(instr,"<");
if (p) {
sscanf(p,"<%s",s);
frame.set(s);
}
if (frame.frametype == FRAME_I) {
sscanf(p,"<%*s R%d S%d",&nr,&ns);
}
// Get PID
p = strstr(instr,"pid=");
if (p) {
sscanf(p,"pid=%s",pidstr);
}
// Get message length
p = strstr(instr,"Len=");
if (p) {
sscanf(p,"Len=%d",&msglen);
}
// If station already in the heardlist, update data,
// else add the station to the heardlist
index = find_connection(from_call,to_call);
if (index > -1)
update(index,path,timeStamp,pidstr,frame,ns,nr);
else
add(from_call,to_call,path,timeStamp,pidstr,frame,ns,nr);
// Analyze pid=CF connection or broadcast
if (!strcmp(pidstr,"CF"))
analyze_cf(instr);
// Analyze pid=CD connections or broadcasts
if (!strcmp(pidstr,"CD"))
analyze_cd(instr);
// Analyze pid=CC (TCPIP) connections or broadcasts
if (!strcmp(pidstr,"CC"))
analyze_tcpip(instr);
// Check Special TO CALLS and perform action.
if (!strcmp(to_call,"NODES")) {
if (SoundEffects)
sndPlaySound("camera.wav",SND_SYNC);
}
else if (!strcmp(to_call,"MAIL")) {
if (SoundEffects)
sndPlaySound("meepmeep.wav",SND_SYNC);
add_mailstr(from_call,instr);
}
else if (!strcmp(to_call,"FBB")) {
if (SoundEffects)
sndPlaySound("whoosh.wav",SND_SYNC);
}
else if (!strcmp(to_call,"ID") || !strcmp(to_call,"BEACON")) {
add_idstr(from_call,instr);
}
return(0);
}
//
// This function is called when the callback function is notified of
// available data.
//
#ifdef PE_ENGINE
void
PACKMONWnd::ReceivedData(HDDEDATA hData)
#else
PACKMON::ReceivedData(char *s)
#endif
{
/*
This function is called when the callback function is notified of
available data.and receives the data.
*/
//Term[x] is the program window (each for radioport)
static short int size;//be carefull here for WIN95 an INT variable is 32 bit long
//we need only 16 bit so Short INT
static char szData2[3010];
static char szData[3010];
DWORD Result;
time_t currentTime;
if( hData != NULL ) {
#ifdef PE_ENGINE
Result=DdeGetData( hData,(LPSTR) &szData2, sizeof( szData2 ), 0 );
if (Result<1)
return;
szData2[800]='\0'; //we copy the data to another string
memmove(szData,szData2,(size_t)Result+1);
memmove(&size,szData+2,2); //take the data size (only the valaible data)
int port=szData[0]; //take the port number starting from 0 for first port
#endif
switch(szData[1]) //check the kind of data we have
{
case 'D'://DATA from AX25 CONNECT Channel
//do here anything you wish
break;
case 'T'://TXDATA MONITOR our data
case 'U'://MONITOR DATA UNPROTO
case 'S'://MONITOR HEADER
case 'I'://MONITOR HEADER+DATA CONNECT OTHER STATIONS
if (SoundEffects)
sndPlaySound("type.wav",SND_SYNC);
currentTime = time(NULL);
heardtable.analyze(szData+4,currentTime);
heardtable.display();
break;
case 'H'://MHeardList
char temp[200];
long FirstTime,LastTime;
memmove(&FirstTime,szData+13,sizeof(long));
memmove(&LastTime,szData+13+sizeof(long),sizeof(long));
char *t1, t2[30];
time_t t;;
t=(time_t) FirstTime;t1=ctime(&t);
strcpy(t2,t1);
t=(time_t) LastTime;t1=ctime(&t);
wsprintf(temp,"Port%d>%9.9s %24.24s %24.24s\r",
port+1,szData+2,t2,t1);
Buffer.insert(temp,strlen(temp));
break;
default:
Buffer.insert("ERROR RECEIVED\r",15);
break;
}//END SWITCH
EvPaint();
}
}
///////////////////////////////////////////////////////
// get_PEheard()
// Get heard list from the SV2AGW packet engine.
// HIST: 980120 V0.2
///////////////////////////////////////////////////////
void PACKMONWnd::get_PEheard()
{
static char szTemp[50];
char str[12];
short int count;
extern char MyCall[];
str[0]='H';
str[1]='\0';
count=strlen(str);
szTemp[0]='S'; // 'S' = Send
szTemp[1]=0; // Port number