On Wed, Jul 29, 2009 at 03:20:29PM -0400, Mohammad Dadashzadeh wrote:
> > On Wed, Jul 29, 2009 at 03:06:56PM -0400, Mohammad Dadashzadeh wrote:
> > > > On Wed, Jul 29, 2009 at 01:12:48PM -0400, Mohammad Dadashzadeh wrote:
> > > > > in which file I can change BIOCIMMEDIATE ?
> > > > 
> > > > Please try this libpcap.  By default it should
> > > > work the same way,  if you pass a negative timeout
> > > > to pcap_open_live() you should get immediate mode.
> > > > If you can verify both I'll check it in.
> > > > 
> > > > Regards,
> > > > 
> > > > -seanb
> > > 
> > > 
> > > Should copy libpcap.a into the target machine or Momentics IDE or both?
> > 
> > BTW that was an x86 static variant.
> > 
> > -seanb
> 
> 
> Unfortunately I do not understand  "BTW that was an x86 static variant"
> 
> Could you please explain more?
> 
> I copied into C:\QNX641\target\qnx6\x86\usr\lib but code can not ve compiled. It shows many error.

What are the errors?

-seanb

> On Wed, Jul 29, 2009 at 03:20:29PM -0400, Mohammad Dadashzadeh wrote:
> > > On Wed, Jul 29, 2009 at 03:06:56PM -0400, Mohammad Dadashzadeh wrote:
> > > > > On Wed, Jul 29, 2009 at 01:12:48PM -0400, Mohammad Dadashzadeh wrote:
> > > > > > in which file I can change BIOCIMMEDIATE ?
> > > > > 
> > > > > Please try this libpcap.  By default it should
> > > > > work the same way,  if you pass a negative timeout
> > > > > to pcap_open_live() you should get immediate mode.
> > > > > If you can verify both I'll check it in.
> > > > > 
> > > > > Regards,
> > > > > 
> > > > > -seanb
> > > > 
> > > > 
> > > > Should copy libpcap.a into the target machine or Momentics IDE or both?
> > > 
> > > BTW that was an x86 static variant.
> > > 
> > > -seanb
> > 
> > 
> > Unfortunately I do not understand  "BTW that was an x86 static variant"
> > 
> > Could you please explain more?
> > 
> > I copied into C:\QNX641\target\qnx6\x86\usr\lib but code can not ve compiled
> . It shows many error.
> 
> What are the errors?
> 
> -seanb


Description	Resource	Path	Location	Type
make[2]: *** [C:/ide-4.6-workspace/newPacketcap/x86/o-g/newPacketcap_g] Error 1	newPacketcap		line 0	C/C++ Problem
make[2]: *** [C:/ide-4.6-workspace/newPacketcap/x86/o/newPacketcap] Error 1	newPacketcap		line 0	C/C++ Problem
newPacketcap.c: undefined reference to `pcap_close'	newPacketcap		line 0	C/C++ Problem
newPacketcap.c: undefined reference to `pcap_findalldevs'	newPacketcap		line 0	C/C++ Problem
newPacketcap.c: undefined reference to `pcap_freealldevs'	newPacketcap		line 0	C/C++ Problem
newPacketcap.c: undefined reference to `pcap_lookupdev'	newPacketcap		line 0	C/C++ Problem
newPacketcap.c: undefined reference to `pcap_lookupnet'	newPacketcap		line 0	C/C++ Problem
newPacketcap.c: undefined reference to `pcap_next'	newPacketcap		line 0	C/C++ Problem
newPacketcap.c: undefined reference to `pcap_open_live'	newPacketcap		line 0	C/C++ Problem
undefined reference to `pcap_close'	newPacketcap.c	newPacketcap	line 109	C/C++ Problem
undefined reference to `pcap_findalldevs'	newPacketcap.c	newPacketcap	line 32	C/C++ Problem
undefined reference to `pcap_freealldevs'	newPacketcap.c	newPacketcap	line 65	C/C++ Problem
undefined reference to `pcap_lookupdev'	newPacketcap.c	newPacketcap	line 75	C/C++ Problem
undefined reference to `pcap_lookupnet'	newPacketcap.c	newPacketcap	line 82	C/C++ Problem
undefined reference to `pcap_next'	newPacketcap.c	newPacketcap	line 100	C/C++ Problem
undefined reference to `pcap_open_live'	newPacketcap.c	newPacketcap	line 88	C/C++ Problem

On Wed, Jul 29, 2009 at 03:36:31PM -0400, Mohammad Dadashzadeh wrote:
> 
> Description	Resource	Path	Location	Type
> make[2]: *** [C:/ide-4.6-workspace/newPacketcap/x86/o-g/newPacketcap_g] Error 1	newPacketcap		line 0	C/C++ Problem

Hmm, try this one.

-seanb

> On Wed, Jul 29, 2009 at 03:36:31PM -0400, Mohammad Dadashzadeh wrote:
> > 
> > Description	Resource	Path	Location	Type
> > make[2]: *** [C:/ide-4.6-workspace/newPacketcap/x86/o-g/newPacketcap_g] 
> Error 1	newPacketcap		line 0	C/C++ Problem
> 
> Hmm, try this one.
> 
> -seanb


I tried , no error but I am getting 64-65  packets every 8.3 msec.

Mohammad

On Wed, Jul 29, 2009 at 03:46:36PM -0400, Mohammad Dadashzadeh wrote:
> > On Wed, Jul 29, 2009 at 03:36:31PM -0400, Mohammad Dadashzadeh wrote:
> > > 
> > > Description	Resource	Path	Location	Type
> > > make[2]: *** [C:/ide-4.6-workspace/newPacketcap/x86/o-g/newPacketcap_g] 
> > Error 1	newPacketcap		line 0	C/C++ Problem
> > 
> > Hmm, try this one.
> > 
> > -seanb
> 
> 
> I tried , no error but I am getting 64-65  packets every 8.3 msec.
> 

You changed the timeout to a negative value?

-seanb

> On Wed, Jul 29, 2009 at 03:46:36PM -0400, Mohammad Dadashzadeh wrote:
> > > On Wed, Jul 29, 2009 at 03:36:31PM -0400, Mohammad Dadashzadeh wrote:
> > > > 
> > > > Description	Resource	Path	Location	Type
> > > > make[2]: *** [C:/ide-4.6-workspace/newPacketcap/x86/o-g/newPacketcap_g] 
> 
> > > Error 1	newPacketcap		line 0	C/C++ Problem
> > > 
> > > Hmm, try this one.
> > > 
> > > -seanb
> > 
> > 
> > I tried , no error but I am getting 64-65  packets every 8.3 msec.
> > 
> 
> You changed the timeout to a negative value?
> 
> -seanb


yes handle = pcap_open_live(dev, 1000, 1, -1, errbuf);



#include <pcap.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <sys/netmgr.h>
#include <sys/neutrino.h>


int main(int argc, char *argv[])
{
	pcap_t *handle;			/* Session handle */
	char *dev;			/* The device to sniff on */
	pcap_if_t *alldevs;
	pcap_if_t *d;
	char errbuf[PCAP_ERRBUF_SIZE];	/* Error string */
	struct bpf_program fp;		/* The compiled filter */
	bpf_u_int32 mask;		/* Our netmask */
	bpf_u_int32 net;		/* Our IP */
	struct pcap_pkthdr header;	/* The header that pcap gives us */
	const u_char *packet;		/* The actual packet */
	time_t local_tv_sec;
	struct tm *ltime;
	int i=0;
	char timestr[16];
	int inum;
	FILE *stream1;
	//const u_char *packet;



	/* Retrieve the device list on the local machine */
	if (pcap_findalldevs(&alldevs, errbuf) == -1)
	{
		fprintf(stderr,"Error in pcap_findalldevs: %s\n", errbuf);
		exit(1);
	}

	stream1=fopen("test2.txt","w");


	/* Print the list */
	for(d=alldevs; d; d=d->next)
	{
		printf("%d. %s", ++i, d->name);
		if (d->description)
			printf(" (%s)\n", d->description);
		else
			printf(" (No description available)\n");
	}

	if(i==0)
	{
		printf("\nNo interfaces found! Make sure WinPcap is installed.\n");
		return -1;
	}

	printf("Enter the interface number (1-%d):",i);
	//scanf("%d", &inum);
	inum=1;

	if(inum < 1 || inum > i)
	{
		printf("\nInterface number out of range.\n");
		/* Free the device list */
		pcap_freealldevs(alldevs);
		return -1;
	}

	/* Jump to the selected adapter */
	for(d=alldevs, i=0; i< inum-1 ;d=d->next, i++);


	/* Define the device */

	dev = pcap_lookupdev(errbuf);
	strcpy(dev,"wm0");
	if (dev == NULL) {
		fprintf(stderr, "Couldn't find default device: %s\n", errbuf);
		return(2);
	}
	/* Find the properties for the device */
	if (pcap_lookupnet(dev, &net, &mask, errbuf) == -1) {
		fprintf(stderr, "Couldn't get netmask for device %s: %s\n", dev, errbuf);
		net = 0;
		mask = 0;
	}
	/* Open the session in promiscuous mode */
	handle = pcap_open_live(dev, 1000, 1, -1, errbuf);
	if (handle == NULL) {
		fprintf(stderr, "Couldn't open device %s: %s\n", errbuf);
		return(2);
	}

	/* Grab a packet */
	//packet = pcap_next(handle, &header);


	for(i=0;i<32000;i++)
	{
		packet=pcap_next(handle, &header);
		local_tv_sec = header.ts.tv_sec;
		ltime=localtime(&local_tv_sec);
		strftime( timestr, sizeof(timestr), "%H:%M:%S", ltime);
		fprintf(stream1,"%s,%.6d len:%d\n", timestr, header.ts.tv_usec, header.len);
	}
	/* Print its length */
	//printf("Jacked a packet with length of [%d]\n", header.len);
	/* And close the session */
	pcap_close(handle);
	fclose(stream1);
	printf("\n done");
	return(0);
}

> > On Wed, Jul 29, 2009 at 03:46:36PM -0400, Mohammad Dadashzadeh wrote:
> > > > On Wed, Jul 29, 2009 at 03:36:31PM -0400, Mohammad Dadashzadeh wrote:
> > > > > 
> > > > > Description	Resource	Path	Location	Type
> > > > > make[2]: *** [C:/ide-4.6-workspace/newPacketcap/x86/o-g/newPacketcap_g
> ] 
> > 
> > > > Error 1	newPacketcap		line 0	C/C++ Problem
> > > > 
> > > > Hmm, try this one.
> > > > 
> > > > -seanb
> > > 
> > > 
> > > I tried , no error but I am getting 64-65  packets every 8.3 msec.
> > > 
> > 
> > You changed the timeout to a negative value?
> > 
> > -seanb
> 
> 
> yes handle = pcap_open_live(dev, 1000, 1, -1, errbuf);
> 

Whatever I put as to_ms, there is no change in interval of reading packets.

Mohammad