Module: sip-router Branch: master Commit: 287cccf2af17e5f2f8fe09c41025b4d27bb4fda9 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=287cccf… Author: Andrew Mortensen &lt;admorten(a)isc.upenn.edu&gt; Committer: Andrew Mortensen &lt;admorten(a)isc.upenn.edu&gt; Date: Fri Mar 15 17:01:23 2013 -0400 modules/sca: process BYE without Call-Info from shared line. - Ciscos & Aastras don't seem include Call-Info header in BYE. Look up dialog by tags and release associated appearance-index. --- modules/sca/sca_call_info.c | 68 ++++++++++++++++++++++++------------------ modules/sca/sca_call_info.h | 22 ++++++++++++++ 2 files changed, 61 insertions(+), 29 deletions(-) diff --git a/modules/sca/sca_call_info.c b/modules/sca/sca_call_info.c index dee4f87..7444bf9 100644 --- a/modules/sca/sca_call_info.c +++ b/modules/sca/sca_call_info.c @@ -842,7 +842,7 @@ sca_call_info_is_line_seize_reinvite( sip_msg_t *msg, sca_call_info *call_info, * a Call-Info header is present */ - if ( call_info == NULL ) { + if ( SCA_CALL_INFO_EMPTY( call_info )) { return( 0 ); } if ( !SCA_STR_EMPTY( &to->tag_value )) { @@ -961,7 +961,7 @@ sca_call_info_invite_request_handler( sip_msg_t *msg, sca_call_info *call_info, goto done; } - if ( call_info == NULL ) { + if ( !SCA_CALL_INFO_IS_SHARED_CALLER( call_info )) { /* caller isn't SCA, no more to do. update callee in reply handler. */ rc = 1; goto done; @@ -979,7 +979,6 @@ sca_call_info_invite_request_handler( sip_msg_t *msg, sca_call_info *call_info, goto done; } - if ( sca_call_is_held( msg )) { state = SCA_APPEARANCE_STATE_HELD; if ( call_info->state == SCA_APPEARANCE_STATE_HELD_PRIVATE ) { @@ -1204,13 +1203,12 @@ sca_call_info_invite_reply_200_handler( sip_msg_t *msg, int slot_idx = -1; int rc = -1; - if ( call_info != NULL ) { - /* this implies To-AoR is SCA */ + if ( SCA_CALL_INFO_IS_SHARED_CALLEE( call_info )) { rc = sca_call_info_uri_update( to_aor, call_info, from, to, contact_uri, &msg->callid->body ); } - if ( !sca_uri_is_shared_appearance( sca, from_aor )) { + if ( !SCA_CALL_INFO_IS_SHARED_CALLER( call_info )) { goto done; } @@ -1519,7 +1517,7 @@ sca_call_info_bye_handler( sip_msg_t *msg, sca_call_info *call_info, int rc = -1; if ( msg->first_line.type == SIP_REQUEST ) { - if ( call_info != NULL ) { + if ( SCA_CALL_INFO_IS_SHARED_CALLER( call_info )) { slot_idx = sca_uri_lock_shared_appearance( sca, from_aor ); if ( slot_idx < 0 ) { LM_ERR( "sca_call_info_bye_handler: failed to acquire " @@ -1528,13 +1526,26 @@ sca_call_info_bye_handler( sip_msg_t *msg, sca_call_info *call_info, goto done; } - app = sca_appearance_for_index_unsafe( sca, from_aor, - call_info->index, slot_idx ); - if ( app == NULL ) { - LM_ERR( "sca_call_info_bye_handler: %.*s " - "appearance-index %d is not active", - STR_FMT( from_aor ), call_info->index ); - goto done; + if ( call_info->index != SCA_CALL_INFO_APPEARANCE_INDEX_ANY ) { + app = sca_appearance_for_index_unsafe( sca, from_aor, + call_info->index, slot_idx ); + if ( app == NULL ) { + LM_ERR( "sca_call_info_bye_handler: %.*s " + "appearance-index %d is not active", + STR_FMT( from_aor ), call_info->index ); + goto done; + } + } else { + app = sca_appearance_for_tags_unsafe( sca, from_aor, + &msg->callid->body, &from->tag_value, NULL, slot_idx ); + if ( app == NULL ) { + LM_ERR( "sca_call_info_bye_handler: %.*s " + "dialog leg %.*s;%.*s is not active", + STR_FMT( from_aor ), + STR_FMT( &msg->callid->body ), + STR_FMT( &from->tag_value )); + goto done; + } } if ( SCA_STR_EQ( &app->dialog.call_id, &msg->callid->body )) { @@ -1600,7 +1611,7 @@ sca_call_info_bye_handler( sip_msg_t *msg, sca_call_info *call_info, } } } else { - if ( call_info != NULL ) { + if ( SCA_CALL_INFO_IS_SHARED_CALLEE( call_info )) { slot_idx = sca_hash_table_index_for_key( sca->appearances, to_aor ); sca_hash_table_lock_index( sca->appearances, slot_idx ); @@ -1664,7 +1675,7 @@ sca_call_info_cancel_handler( sip_msg_t *msg, sca_call_info *call_info, * find appearance by dialog if Call-Info not present. */ /* XXX also handle CANCEL w/ Call-Info header? Some UAs might send it */ - if ( sca_uri_is_shared_appearance( sca, from_aor )) { + if ( SCA_CALL_INFO_IS_SHARED_CALLER( call_info )) { app = sca_appearance_unlink_by_tags( sca, from_aor, &msg->callid->body, &from->tag_value, NULL ); if ( app ) { @@ -1806,7 +1817,7 @@ struct sca_call_info_dispatch call_info_dispatch[] = { int sca_call_info_update( sip_msg_t *msg, char *p1, char *p2 ) { - sca_call_info call_info, *call_info_p = NULL; + sca_call_info call_info; hdr_field_t *call_info_hdr; struct to_body *from; struct to_body *to; @@ -1848,8 +1859,6 @@ sca_call_info_update( sip_msg_t *msg, char *p1, char *p2 ) STR_FMT( &call_info_hdr->body )); return( -1 ); } - - call_info_p = &call_info; } if ( sca_get_msg_from_header( msg, &from ) < 0 ) { @@ -1925,18 +1934,19 @@ sca_call_info_update( sip_msg_t *msg, char *p1, char *p2 ) } /* early check to see if we're dealing with any SCA endpoints */ - if ( call_info_p == NULL ) { - /* no Call-Info header in packet, check if AoRs are SCA */ - - if ( !sca_uri_is_shared_appearance( sca, &from_aor ) && - !sca_uri_is_shared_appearance( sca, &to_aor )) { - LM_DBG( "Neither %.*s nor %.*s are SCA AoRs", - STR_FMT( &from_aor ), STR_FMT( &to_aor )); - goto done; - } + if ( sca_uri_is_shared_appearance( sca, &from_aor )) { + call_info.ua_shared |= SCA_CALL_INFO_SHARED_CALLER; + } + if ( sca_uri_is_shared_appearance( sca, &to_aor )) { + call_info.ua_shared |= SCA_CALL_INFO_SHARED_CALLEE; + } + if ( call_info.ua_shared == SCA_CALL_INFO_SHARED_NONE ) { + LM_DBG( "Neither %.*s nor %.*s are SCA AoRs", + STR_FMT( &from_aor ), STR_FMT( &to_aor )); + goto done; } - rc = call_info_dispatch[ i ].handler( msg, call_info_p, from, to, + rc = call_info_dispatch[ i ].handler( msg, &call_info, from, to, &from_aor, &to_aor, &contact_uri ); if ( rc < 0 ) { LM_ERR( "Failed to update Call-Info state for %.*s", diff --git a/modules/sca/sca_call_info.h b/modules/sca/sca_call_info.h index b62207e..80d1265 100644 --- a/modules/sca/sca_call_info.h +++ b/modules/sca/sca_call_info.h @@ -30,14 +30,36 @@ /* pass to sca_notify_subscriber to include all appearances in Call-Info hdr */ #define SCA_CALL_INFO_APPEARANCE_INDEX_ANY 0 +enum { + SCA_CALL_INFO_SHARED_NONE = 0, + SCA_CALL_INFO_SHARED_CALLER = (1 << 0), + SCA_CALL_INFO_SHARED_CALLEE = (1 << 1), +}; + struct _sca_call_info { str sca_uri; int index; int state; str uri; + + /* mask tracking which endpoints in a call are shared */ + int ua_shared; }; typedef struct _sca_call_info sca_call_info; +#define SCA_CALL_INFO_EMPTY( ci1 ) \ + (!(ci1) && ((ci1)->index == SCA_CALL_INFO_APPEARANCE_INDEX_ANY && \ + (ci1)->state == SCA_APPEARANCE_STATE_UNKNOWN)) + +#define SCA_CALL_INFO_IS_SHARED_CALLER( ci1 ) \ + (!SCA_CALL_INFO_EMPTY((ci1)) && \ + (((sca_call_info *)(ci1))->ua_shared & SCA_CALL_INFO_SHARED_CALLER)) + +#define SCA_CALL_INFO_IS_SHARED_CALLEE( ci1 ) \ + (!SCA_CALL_INFO_EMPTY((ci1)) && \ + (((sca_call_info *)(ci1))->ua_shared & SCA_CALL_INFO_SHARED_CALLEE)) + + extern const str SCA_CALL_INFO_HEADER_STR;