Module: sip-router Branch: master Commit: 53d2ca58c013289e55a771ff69ad1448ef912aae URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=53d2ca5… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: Wed Dec 21 14:18:51 2011 +0100 sdpops: keep codecs functions can do filtering on media type - a second optional paramter with media type can be given to keep codecs function to avoid removing codecs from wrong media stream --- modules/sdpops/sdpops_mod.c | 69 ++++++++++++++++++++++++++++++------------ 1 files changed, 49 insertions(+), 20 deletions(-) diff --git a/modules/sdpops/sdpops_mod.c b/modules/sdpops/sdpops_mod.c index 6806c4b..2dc8aaa 100644 --- a/modules/sdpops/sdpops_mod.c +++ b/modules/sdpops/sdpops_mod.c @@ -57,8 +57,12 @@ static cmd_export_t cmds[] = { 1, fixup_spve_null, 0, ANY_ROUTE}, {"sdp_keep_codecs_by_id", (cmd_function)w_sdp_keep_codecs_by_id, 1, fixup_spve_null, 0, ANY_ROUTE}, + {"sdp_keep_codecs_by_id", (cmd_function)w_sdp_keep_codecs_by_id, + 2, fixup_spve_spve, 0, ANY_ROUTE}, {"sdp_keep_codecs_by_name", (cmd_function)w_sdp_keep_codecs_by_name, 1, fixup_spve_null, 0, ANY_ROUTE}, + {"sdp_keep_codecs_by_name", (cmd_function)w_sdp_keep_codecs_by_name, + 2, fixup_spve_spve, 0, ANY_ROUTE}, {"sdp_with_media", (cmd_function)w_sdp_with_media, 1, fixup_spve_null, 0, ANY_ROUTE}, {"sdp_with_codecs_by_id", (cmd_function)w_sdp_with_codecs_by_id, @@ -412,7 +416,7 @@ static int w_sdp_remove_codecs_by_name(sip_msg_t* msg, char* codecs, char* bar) /** * */ -int sdp_keep_codecs_by_id(sip_msg_t* msg, str* codecs) +int sdp_keep_codecs_by_id(sip_msg_t* msg, str* codecs, str *media) { sdp_info_t *sdp = NULL; int sdp_session_num; @@ -452,20 +456,26 @@ int sdp_keep_codecs_by_id(sip_msg_t* msg, str* codecs) LM_DBG("stream %d of %d - payloads [%.*s]\n", sdp_stream_num, sdp_session_num, sdp_stream->payloads.len, sdp_stream->payloads.s); - sdp_codecs = sdp_stream->payloads; - tmp_codecs = sdp_stream->payloads; - while(str_find_token(&tmp_codecs, &rm_codec, ' ')==0 - && rm_codec.len>0) + if((media==NULL) + || (media->len==sdp_stream->media.len + && strncasecmp(sdp_stream->media.s, media->s, + media->len)==0)) { - tmp_codecs.len -=(int)(&rm_codec.s[rm_codec.len]-tmp_codecs.s); - tmp_codecs.s = rm_codec.s + rm_codec.len; - - if(sdp_codec_in_str(codecs, &rm_codec, ',')==0) { - LM_DBG("codecs [%.*s] - remove [%.*s]\n", - sdp_codecs.len, sdp_codecs.s, - rm_codec.len, rm_codec.s); - sdp_remove_str_codec_id(msg, &sdp_codecs, &rm_codec); - sdp_remove_str_codec_id_attrs(msg, sdp_stream, &rm_codec); + sdp_codecs = sdp_stream->payloads; + tmp_codecs = sdp_stream->payloads; + while(str_find_token(&tmp_codecs, &rm_codec, ' ')==0 + && rm_codec.len>0) + { + tmp_codecs.len -=(int)(&rm_codec.s[rm_codec.len]-tmp_codecs.s); + tmp_codecs.s = rm_codec.s + rm_codec.len; + + if(sdp_codec_in_str(codecs, &rm_codec, ',')==0) { + LM_DBG("codecs [%.*s] - remove [%.*s]\n", + sdp_codecs.len, sdp_codecs.s, + rm_codec.len, rm_codec.s); + sdp_remove_str_codec_id(msg, &sdp_codecs, &rm_codec); + sdp_remove_str_codec_id_attrs(msg, sdp_stream, &rm_codec); + } } } sdp_stream_num++; @@ -479,9 +489,10 @@ int sdp_keep_codecs_by_id(sip_msg_t* msg, str* codecs) /** * */ -static int w_sdp_keep_codecs_by_id(sip_msg_t* msg, char* codecs, char* bar) +static int w_sdp_keep_codecs_by_id(sip_msg_t* msg, char* codecs, char* media) { str lcodecs = {0, 0}; + str lmedia = {0, 0}; if(codecs==0) { @@ -494,8 +505,16 @@ static int w_sdp_keep_codecs_by_id(sip_msg_t* msg, char* codecs, char* bar) LM_ERR("unable to get the list of codecs\n"); return -1; } + if(media!=NULL) + { + if(fixup_get_svalue(msg, (gparam_p)media, &lmedia)!=0) + { + LM_ERR("unable to get the media type\n"); + return -1; + } + } - if(sdp_keep_codecs_by_id(msg, &lcodecs)<0) + if(sdp_keep_codecs_by_id(msg, &lcodecs, (media)?&lmedia:NULL)<0) return -1; return 1; } @@ -503,7 +522,7 @@ static int w_sdp_keep_codecs_by_id(sip_msg_t* msg, char* codecs, char* bar) /** * */ -int sdp_keep_codecs_by_name(sip_msg_t* msg, str* codecs) +int sdp_keep_codecs_by_name(sip_msg_t* msg, str* codecs, str *media) { sdp_info_t *sdp = NULL; str idslist; @@ -526,7 +545,7 @@ int sdp_keep_codecs_by_name(sip_msg_t* msg, str* codecs) if(sdpops_build_ids_list(sdp, codecs, &idslist)<0) return -1; - if(sdp_keep_codecs_by_id(msg, &idslist)<0) + if(sdp_keep_codecs_by_id(msg, &idslist, media)<0) return -1; return 0; @@ -536,9 +555,10 @@ int sdp_keep_codecs_by_name(sip_msg_t* msg, str* codecs) /** * */ -static int w_sdp_keep_codecs_by_name(sip_msg_t* msg, char* codecs, char* bar) +static int w_sdp_keep_codecs_by_name(sip_msg_t* msg, char* codecs, char* media) { str lcodecs = {0, 0}; + str lmedia = {0, 0}; if(codecs==0) { @@ -552,7 +572,16 @@ static int w_sdp_keep_codecs_by_name(sip_msg_t* msg, char* codecs, char* bar) return -1; } - if(sdp_keep_codecs_by_name(msg, &lcodecs)<0) + if(media!=NULL) + { + if(fixup_get_svalue(msg, (gparam_p)media, &lmedia)!=0) + { + LM_ERR("unable to get the media type\n"); + return -1; + } + } + + if(sdp_keep_codecs_by_name(msg, &lcodecs, (media)?&lmedia:NULL)<0) return -1; return 1; }