#include
#include
#include
#include
#include
#include
#include
#include
#include
#include “common.h”

int main()
{
int connSock, in, i, ret, flags;
struct sockaddr_in servaddr;
struct sctp_status status;
struct sctp_sndrcvinfo sndrcvinfo;
struct sctp_event_subscribe events;
struct sctp_initmsg initmsg;
char buffer[MAX_BUFFER+1];

/* Create an SCTP TCP-Style Socket */
connSock = socket( AF_INET, SOCK_STREAM, IPPROTO_SCTP );

/* Specify that a maximum of 5 streams will be available per socket */
memset( &initmsg, 0, sizeof(initmsg) );
initmsg.sinit_num_ostreams = 5;
initmsg.sinit_max_instreams = 5;
initmsg.sinit_max_attempts = 4;
ret = setsockopt( connSock, IPPROTO_SCTP, SCTP_INITMSG,
&initmsg, sizeof(initmsg) );

/* Specify the peer endpoint to which we’ll connect */
bzero( (void *)&servaddr, sizeof(servaddr) );
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(MY_PORT_NUM);
servaddr.sin_addr.s_addr = inet_addr( “127.0.0.1” );

/* Connect to the server */
ret = connect( connSock, (struct sockaddr *)&servaddr, sizeof(servaddr) );

/* Enable receipt of SCTP Snd/Rcv Data via sctp_recvmsg */
memset( (void *)&events, 0, sizeof(events) );
events.sctp_data_io_event = 1;
ret = setsockopt( connSock, SOL_SCTP, SCTP_EVENTS,
(const void *)&events, sizeof(events) );

/* Read and emit the status of the Socket (optional step) */
in = sizeof(status);
ret = getsockopt( connSock, SOL_SCTP, SCTP_STATUS,
(void *)&status, (socklen_t *)&in );

printf(“assoc id = %d\n”, status.sstat_assoc_id );
printf(“state = %d\n”, status.sstat_state );
printf(“instrms = %d\n”, status.sstat_instrms );
printf(“outstrms = %d\n”, status.sstat_outstrms );

/* Expect two messages from the peer */

for (i = 0 ; i 0) {
buffer[in] = 0;
if (sndrcvinfo.sinfo_stream == LOCALTIME_STREAM) {
printf(“(Local) %s\n”, buffer);
} else if (sndrcvinfo.sinfo_stream == GMT_STREAM) {
printf(“(GMT ) %s\n”, buffer);
}
}

}

/* Close our socket and exit */
close(connSock);

return 0;
}