Module: sip-router Branch: master Commit: 2f240d5f5d1e647cbc6ee55893a65058bf950cda URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=2f240d5f...
Author: Peter Dunkley peter.dunkley@crocodile-rcs.com Committer: Peter Dunkley peter.dunkley@crocodile-rcs.com Date: Thu Oct 11 12:58:38 2012 +0100
modules/msrp: Added support for WS transport
- Updated parser to recognise/decode ";ws" as a transport - Updated netio code to route MSRP messages destined for a WebSocket connection through the websocket module (instead of just tcp_send()ing them).
---
modules/msrp/msrp_netio.c | 59 +++++++++++++++++++++++++++++++++++++++++++- modules/msrp/msrp_parser.c | 6 +++- modules/msrp/msrp_parser.h | 1 + 3 files changed, 63 insertions(+), 3 deletions(-)
diff --git a/modules/msrp/msrp_netio.c b/modules/msrp/msrp_netio.c index 3c12355..86e16d6 100644 --- a/modules/msrp/msrp_netio.c +++ b/modules/msrp/msrp_netio.c @@ -66,6 +66,7 @@ int msrp_send_buffer(str *buf, str *addr, int flags) int msrp_relay(msrp_frame_t *mf) { struct dest_info *dst; + struct tcp_connection *con = NULL; char reqbuf[MSRP_MAX_FRAME_SIZE]; msrp_hdr_t *tpath; msrp_hdr_t *fpath; @@ -73,6 +74,7 @@ int msrp_relay(msrp_frame_t *mf) str_array_t *sar; char *p; char *l; + int port;
if(mf->buf.len>=MSRP_MAX_FRAME_SIZE-1) return -1; @@ -136,7 +138,39 @@ int msrp_relay(msrp_frame_t *mf) } dst = &env->dstinfo; done: - if (tcp_send(dst, 0, reqbuf, p - reqbuf) < 0) { + port = su_getport(&dst->to); + if (likely(port)) + { + ticks_t con_lifetime; + struct ip_addr ip; + + con_lifetime = cfg_get(tcp, tcp_cfg, con_lifetime); + su2ip_addr(&ip, &dst->to); + con = tcpconn_get(dst->id, &ip, port, NULL, con_lifetime); + } + else if (likely(dst->id)) + { + con = tcpconn_get(dst->id, 0, 0, 0, 0); + } + + if (con == NULL) + { + LM_WARN("TCP/TLS connection not found\n"); + return -1; + } + + if (unlikely((con->rcv.proto == PROTO_WS || con->rcv.proto == PROTO_WSS) + && sr_event_enabled(SREV_TCP_WS_FRAME_OUT))) { + ws_event_info_t wsev; + + memset(&wsev, 0, sizeof(ws_event_info_t)); + wsev.type = SREV_TCP_WS_FRAME_OUT; + wsev.buf = reqbuf; + wsev.len = p - reqbuf; + wsev.id = con->id; + return sr_event_exec(SREV_TCP_WS_FRAME_OUT, (void *) &wsev); + } + else if (tcp_send(dst, 0, reqbuf, p - reqbuf) < 0) { LM_ERR("forwarding frame failed\n"); return -1; } @@ -239,6 +273,29 @@ int msrp_reply(msrp_frame_t *mf, str *code, str *text, str *xhdrs) *(p-3) = '$';
env = msrp_get_env(); + + if (unlikely((env->srcinfo.proto == PROTO_WS + || env->srcinfo.proto == PROTO_WSS) + && sr_event_enabled(SREV_TCP_WS_FRAME_OUT))) { + struct tcp_connection *con = tcpconn_get(env->srcinfo.id, 0, 0, + 0, 0); + ws_event_info_t wsev; + + if (con == NULL) + { + LM_WARN("TCP/TLS connection for WebSocket could not be" + "found\n"); + return -1; + } + + memset(&wsev, 0, sizeof(ws_event_info_t)); + wsev.type = SREV_TCP_WS_FRAME_OUT; + wsev.buf = rplbuf; + wsev.len = p - rplbuf; + wsev.id = con->id; + return sr_event_exec(SREV_TCP_WS_FRAME_OUT, (void *) &wsev); + } + else if (tcp_send(&env->srcinfo, 0, rplbuf, p - rplbuf) < 0) { LM_ERR("sending reply failed\n"); return -1; diff --git a/modules/msrp/msrp_parser.c b/modules/msrp/msrp_parser.c index 711f8dd..3f7e336 100644 --- a/modules/msrp/msrp_parser.c +++ b/modules/msrp/msrp_parser.c @@ -505,10 +505,12 @@ int msrp_parse_uri(char *start, int len, msrp_uri_t *uri) if(uri->params.len > 0) { uri->proto.s = uri->params.s; - if(uri->params.len > 3 && strncasecmp(uri->params.s, "tcp", 3)==0) - { + if(uri->params.len > 3 && strncasecmp(uri->params.s, "tcp", 3)==0) { uri->proto.len = 3; uri->proto_no = MSRP_PROTO_TCP; + } else if (uri->params.len > 2 && strncasecmp(uri->params.s, "ws", 2)==0) { + uri->proto.len = 2; + uri->proto_no = MSRP_PROTO_WS; } else { p = q_memchr(uri->params.s, ';', uri->params.len); if(p!=NULL) { diff --git a/modules/msrp/msrp_parser.h b/modules/msrp/msrp_parser.h index 5117d60..9ea5e30 100644 --- a/modules/msrp/msrp_parser.h +++ b/modules/msrp/msrp_parser.h @@ -58,6 +58,7 @@ typedef struct msrp_fline { #define MSRP_SCHEME_MSRPS 2
#define MSRP_PROTO_TCP 1 +#define MSRP_PROTO_WS 2
typedef struct msrp_uri { str buf;
-
Peter Dunkley