> Sorry:
> I am not sure whether it is the right place
> to ask this question. if not, do please tell me
> ,where I should ask the question.
> I write a small sctp server program, but when
> build with cc(sunstudio11,cc -g server.c -lnsl
> -lsocket -lsctp) in soalris 10, it always return
> error, but works well when build with /usr/sfw/gcc
> -g server.c -lnsl -lsocket -lsctp.
> en build with cc, the program keeps saying:
> "sctp_failed: 11:Resource temporarily unavailable"
> what should I do, as I want to use cc.thanks.
> following is my program:
> #include <sys/socket.h> /* basic socket
> definitions */
> #include <netinet/in.h> /* sockaddr_in{} and
> other Internet defns */
> #include <errno.h>
> #include <arpa/inet.h> /* inet(3) functions
> */
> #include <netinet/sctp.h> /* note if sctp does
> not exist we blow up :> */
> #include<stdlib.h>
> #include <string.h>
> #include<strings.h>
> #define BUFFSIZE 100
> #define SERV_PORT 8080
> #define SA struct sockaddr
>
> int
> main(int argc, char **argv)
> {
> int sock_fd, msg_flags;
> char readbuf[BUFFSIZE];
> struct sockaddr_in servaddr, cliaddr;
> struct sctp_sndrcvinfo sri;
> struct sctp_event_subscribe evnts;
> int stream_increment = 1;
> socklen_t len;
> int rd_sz;
>
> sock_fd = socket(AF_INET, SOCK_SEQPACKET,
> IPPROTO_SCTP);
> / sock_fd = socket(AF_INET, SOCK_STREAM, 0);
> memset(&servaddr,0, sizeof(servaddr));
> servaddr.sin_family = AF_INET;
> servaddr.sin_addr.s_addr =
> htonl(INADDR_ANY);
> servaddr.sin_port = htons(SERV_PORT);
> if(bind(sock_fd, (SA *) & servaddr,
> sizeof(servaddr))<0)
{
printf("bind failed for:%s\n",strerror(errno));
exit(1);
}
memset(&evnts,0, sizeof(evnts));
evnts.sctp_data_io_event = 1;
if(setsockopt(sock_fd, IPPROTO_SCTP, SCTP_EVENTS,
&evnts, sizeof(evnts))<0)
{
printf("setsockopt failed for:%s\n",strerror(errno));
exit(1);
}
if(listen(sock_fd, 7)<0)
{
printf("listen failed for:%s\n",strerror(errno));
exit(1);
}
for (;;) {
len = sizeof(struct sockaddr_in);
rd_sz = sctp_recvmsg(sock_fd, readbuf, sizeof(readbuf),
(SA *) & cliaddr, &len,
&sri, &msg_flags);
if(rd_sz<=0)
{
printf("sctp_failed: %d:%s\n",errno, strerror(errno));
continue;
}
readbuf[rd_sz]=0;
printf("received:%s:length=%d\n",readbuf,rd_sz);
sctp_sendmsg(sock_fd, readbuf, rd_sz,
(SA *) & cliaddr, len,
sri.sinfo_ppid,
sri.sinfo_flags,
sri.sinfo_stream,
0, 0);
}
}
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