Mercurial > hg > freeDiameter-dtls
comparison libfdcore/sctp_dtls.c @ 1227:33b94b5b8289
Use path_mtu instead of MTU. Now large packets exchange are successful.
| author | Sebastien Decugis <sdecugis@freediameter.net> |
|---|---|
| date | Thu, 20 Jun 2013 09:55:03 +0800 |
| parents | 835fe2345db6 |
| children |
comparison
equal
deleted
inserted
replaced
| 1226:835fe2345db6 | 1227:33b94b5b8289 |
|---|---|
| 678 /* Send a new Diameter message over the association */ | 678 /* Send a new Diameter message over the association */ |
| 679 int fd_sctp_dtls_send(struct cnxctx * conn, unsigned char * buf, size_t len) | 679 int fd_sctp_dtls_send(struct cnxctx * conn, unsigned char * buf, size_t len) |
| 680 { | 680 { |
| 681 ssize_t ret; | 681 ssize_t ret; |
| 682 size_t sent = 0; | 682 size_t sent = 0; |
| 683 size_t maxlen = gnutls_dtls_get_data_mtu(conn->cc_tls_para.session); | |
| 683 TRACE_ENTRY("%p %p %zd", conn, buf, len); | 684 TRACE_ENTRY("%p %p %zd", conn, buf, len); |
| 684 | 685 |
| 685 CHECK_PARAMS(conn); | 686 CHECK_PARAMS(conn); |
| 686 | 687 |
| 687 /* First, decide which stream this data will be sent to */ | 688 /* First, decide which stream this data will be sent to */ |
| 697 } | 698 } |
| 698 | 699 |
| 699 /* Now send the data over this stream. Do it in a loop in case the length is larger than the MTU */ | 700 /* Now send the data over this stream. Do it in a loop in case the length is larger than the MTU */ |
| 700 do { | 701 do { |
| 701 size_t tosend = len - sent; | 702 size_t tosend = len - sent; |
| 702 if (tosend > DTLS_SCTP_MTU) | 703 if (tosend > maxlen) |
| 703 tosend = DTLS_SCTP_MTU; | 704 tosend = maxlen; |
| 704 CHECK_GNUTLS_DO( ret = fd_tls_send_handle_error(conn, conn->cc_tls_para.session, buf + sent, tosend), ); | 705 CHECK_GNUTLS_DO( ret = fd_tls_send_handle_error(conn, conn->cc_tls_para.session, buf + sent, tosend), ); |
| 705 if (ret <= 0) | 706 if (ret <= 0) |
| 706 return ENOTCONN; | 707 return ENOTCONN; |
| 707 | 708 |
| 708 sent += ret; | 709 sent += ret; |