56 lines
1.3 KiB
C
Executable File
56 lines
1.3 KiB
C
Executable File
/* awrite.c - send AAL5 PDU */
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/* Written 1995-1998 by Werner Almesberger, EPFL-LRC/ICA */
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <atm.h>
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static void usage(const char *name)
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{
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fprintf(stderr,"usage: %s [itf.]vpi.vci data [ offset ] \n",name);
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exit(1);
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}
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int main(int argc,char **argv)
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{
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struct sockaddr_atmpvc addr;
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struct atm_qos qos;
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int s,size,offset;
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if (argc != 3 && argc != 4) usage(argv[0]);
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if ((s = socket(PF_ATMPVC,SOCK_DGRAM,0)) < 0) {
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perror("socket");
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return 1;
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}
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memset(&addr,0,sizeof(addr));
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if (text2atm(argv[1],(struct sockaddr *) &addr,sizeof(addr),T2A_PVC) < 0)
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usage(argv[0]);
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offset = argc == 3 ? 0 : atoi(argv[3]);
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memset(&qos,0,sizeof(qos));
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qos.aal = ATM_AAL5;
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qos.txtp.traffic_class = ATM_UBR;
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qos.txtp.max_sdu = strlen(argv[2])-offset;
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if (setsockopt(s,SOL_ATM,SO_ATMQOS,&qos,sizeof(qos)) < 0) {
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perror("setsockopt SO_ATMQOS");
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return 1;
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}
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if (connect(s,(struct sockaddr *) &addr,sizeof(addr)) < 0) {
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perror("connect");
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return 1;
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}
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size = write(s,argv[2]+offset,strlen(argv[2])-offset);
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printf("%d",size);
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if (size < 0) printf(" (%s)",strerror(errno));
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putchar('\n');
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return 0;
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}
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