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fixed bug with absolute-path dummynet files.

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added pid of producer to dummynet packets.
This commit is contained in:
gardners 2012-06-21 15:52:44 +09:30
parent 5e338f6285
commit 136a7bcf56
1 changed files with 12 additions and 3 deletions
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15
overlay_interface.c
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@ -276,9 +276,13 @@ int overlay_interface_init(char *name,struct sockaddr_in src_addr,struct sockadd
snprintf(dummyfile,1024,"%s",&name[1]);
} else
/* Relative to instance path */
if (!FORM_SERVAL_INSTANCE_PATH(dummyfile, &name[1]) || (I(fd) = open(dummyfile,O_APPEND|O_RDWR)) < 1) {
return WHY("could not open dummy interface file for append");
}
if (!FORM_SERVAL_INSTANCE_PATH(dummyfile, &name[1]))
return WHY("could not form dummy interfance name");
if ((I(fd) = open(dummyfile,O_APPEND|O_RDWR)) < 1) {
return WHY("could not open dummy interface file for append");
}
/* Seek to end of file as initial reading point */
I(offset)=lseek(I(fd),0,SEEK_END); /* socket gets reused to hold file offset */
/* XXX later add pretend location information so that we can decide which "packets" to receive
@ -428,9 +432,14 @@ int overlay_broadcast_ensemble(int interface_number,
if (overlay_interfaces[interface_number].fileP)
{
char buf[2048];
bzero(&buf[0],128);
/* Version information */
buf[0]=1; buf[1]=0;
buf[2]=0; buf[3]=0;
/* PID of creator */
buf[4]=getpid()&0xff; buf[5]=getpid()>>8;
/* TODO make a structure for all this stuff */
/* bytes 4-5 = half-power beam height (uint16) */
/* bytes 6-7 = half-power beam width (uint16) */
/* bytes 8-11 = range in metres, centre beam (uint32) */