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libsdp: Add method that returns actual source BD_ADDR of SDP session.
Reviewed by: emax, wblock (docs) Differential Revision: https://reviews.freebsd.org/D13456
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parent
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commit
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=333109
@ -25,7 +25,7 @@
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.\" $Id: sdp.3,v 1.1 2003/09/07 20:34:19 max Exp $
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.\" $FreeBSD$
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.\"
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.Dd May 27, 2005
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.Dd April 30, 2018
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.Dt SDP 3
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.Os
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.Sh NAME
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@ -45,6 +45,7 @@
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.Nm sdp_open_local ,
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.Nm sdp_close ,
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.Nm sdp_error ,
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.Nm sdp_get_lcaddr ,
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.Nm sdp_search ,
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.Nm sdp_attr2desc ,
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.Nm sdp_uuid2desc
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@ -75,6 +76,8 @@
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.Ft int32_t
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.Fn sdp_error "void *xs"
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.Ft int32_t
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.Fn sdp_get_lcaddr "void *xs" "bdaddr_t *l"
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.Ft int32_t
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.Fo sdp_search
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.Fa "void *xs" "uint32_t plen" "uint16_t const *pp" "uint32_t alen"
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.Fa "uint32_t const *ap" "uint32_t vlen" "sdp_attr_t *vp"
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@ -188,6 +191,22 @@ calling
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function.
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.Pp
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The
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.Fn sdp_get_lcaddr
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function returns the SDP session actual source BD_ADDR.
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The
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.Fa xs
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parameter should point to a valid SDP session object created with
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.Fn sdp_open .
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The
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.Fa l
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parameter should point to a buffer in which the value for the requested BD_ADDR
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is to be returned.
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.Fn sdp_get_lcaddr
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function is useful if the current SDP session has been opened with the
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.Dv NG_HCI_BDADDR_ANY
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value passed as a source address.
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.Pp
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The
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.Fn sdp_search
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function is used to perform SDP Service Search Attribute Request.
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The
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@ -394,9 +413,10 @@ If the new SDP object was created then caller is still expected to call
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to check if there was connection error.
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.Pp
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The
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.Fn sdp_get_lcaddr ,
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.Fn sdp_search ,
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.Fn sdp_register_service ,
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.Fn sdp_unregister_service
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.Fn sdp_unregister_service ,
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and
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.Fn sdp_change_service
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functions return non-zero value on error.
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@ -532,6 +532,7 @@ void * sdp_open (bdaddr_t const *l, bdaddr_t const *r);
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void * sdp_open_local (char const *control);
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int32_t sdp_close (void *xs);
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int32_t sdp_error (void *xs);
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int32_t sdp_get_lcaddr (void *xs, bdaddr_t *l);
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int32_t sdp_search (void *xs,
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uint32_t plen, uint16_t const *pp,
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@ -180,3 +180,25 @@ sdp_error(void *xss)
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return ((ss != NULL)? ss->error : EINVAL);
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}
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int32_t
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sdp_get_lcaddr(void *xss, bdaddr_t *l)
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{
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sdp_session_p ss = (sdp_session_p) xss;
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struct sockaddr_l2cap sa;
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socklen_t size;
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if (l == NULL || ss == NULL || ss->flags & SDP_SESSION_LOCAL) {
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ss->error = EINVAL;
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goto fail;
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}
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size = sizeof(sa);
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if (getsockname(ss->s, (struct sockaddr *)&sa, &size) == 0) {
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bdaddr_copy(l, &sa.l2cap_bdaddr);
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ss->error = 0;
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} else
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ss->error = errno;
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fail:
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return ((ss->error == 0) ? 0 : -1);
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}
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