diff options
Diffstat (limited to 'lib/diameter/doc/src')
| -rw-r--r-- | lib/diameter/doc/src/diameter.xml | 37 | ||||
| -rw-r--r-- | lib/diameter/doc/src/diameter_app.xml | 7 |
2 files changed, 35 insertions, 9 deletions
diff --git a/lib/diameter/doc/src/diameter.xml b/lib/diameter/doc/src/diameter.xml index 36b6cbf0cf..2cad70e3bc 100644 --- a/lib/diameter/doc/src/diameter.xml +++ b/lib/diameter/doc/src/diameter.xml @@ -277,6 +277,10 @@ callback.</p> </taglist> +<p> +An invalid option will cause <seealso marker="#call">call/4</seealso> +to fail.</p> + <marker id="capability"/> </item> @@ -405,6 +409,8 @@ sense.</p> <code> eval([{M,F,A} | T]) -> apply(M, F, T ++ A); +eval([[F|A] | T]) -> + eval([F | T ++ A]); eval([F|A]) -> apply(F, A); eval(F) -> @@ -461,14 +467,14 @@ or any peer if the request does not contain a <c>Destination-Realm</c> AVP.</p> </item> -<tag><c>{host, any|UTF8String()}</c></tag> +<tag><c>{host, any|DiameterIdentity()}</c></tag> <item> <p> Matches only those peers whose <c>Origin-Host</c> has the specified value, or all peers if the atom <c>any</c>.</p> </item> -<tag><c>{realm, any|UTF8String()</c></tag> +<tag><c>{realm, any|DiameterIdentity()</c></tag> <item> <p> Matches only those peers whose <c>Origin-Realm</c> has the @@ -478,8 +484,9 @@ value, or all peers if the atom <c>any</c>.</p> <tag><c>{eval, evaluable()}</c></tag> <item> <p> -Matches only those peers for which the specified evaluable() evaluates -to true on the peer's <c>diameter_caps</c> record.</p> +Matches only those peers for which the specified evaluable() returns +<c>true</c> on the connection's <c>diameter_caps</c> record. +Any other return value or exception is equivalent to <c>false</c>.</p> </item> <tag><c>{neg, peer_filter()}</c></tag> @@ -503,6 +510,21 @@ specified list.</p> </taglist> +<p> +Note that the <c>host</c> and <c>realm</c> filters examine the +outgoing request as passed to <seealso marker="#call">call/4</seealso>, +assuming that this is a record- or list-valued message() as documented +in <seealso marker="diameter_app">diameter_app(3)</seealso>, and that +the message contains at most one of each AVP. +If this is not the case then the <c>{host|realm, DiameterIdentity()}</c> +filters must be used to achieve the desired result. +Note also that an empty host/realm (which should not be typical) +is equivalent to an unspecified one for the purposes of filtering.</p> + +<p> +An invalid filter is equivalent to <c>{any, []}</c>, a filter +that matches no peer.</p> + <marker id="service_event"/> </item> @@ -787,7 +809,7 @@ transports.</p> <type> <v>SvcName = service_name()</v> <v>App = application_alias()</v> -<v>Request = diameter_app:message()</v> +<v>Request = diameter_app:message() | term()</v> <v>Answer = term()</v> <v>Options = [call_opt()]</v> </type> @@ -819,9 +841,8 @@ If there are no suitable peers, or if <seealso marker="diameter_app#pick_peer">pick_peer/4</seealso> rejects them by returning 'false', then <c>{error, no_connection}</c> is returned. -If <seealso marker="diameter_app#pick_peer">pick_peer/4</seealso> -selects a candidate peer then a request process is spawned for the -outgoing request, in which there is a +Otherwise <seealso marker="diameter_app#pick_peer">pick_peer/4</seealso> +is followed by a <seealso marker="diameter_app#prepare_request">prepare_request/3</seealso> callback, the message is encoded and sent.</p> diff --git a/lib/diameter/doc/src/diameter_app.xml b/lib/diameter/doc/src/diameter_app.xml index fc359b9d1d..f2bada84ae 100644 --- a/lib/diameter/doc/src/diameter_app.xml +++ b/lib/diameter/doc/src/diameter_app.xml @@ -269,7 +269,12 @@ The candidate peers list will only include those which are selected by any <c>filter</c> option specified in the call to <seealso marker="diameter#call">diameter:call/4</seealso>, and only those which have indicated support for the Diameter application in -question.</p> +question. +The order of the elements is unspecified except that any +peers whose Origin-Host and Origin-Realm matches that of the +outgoing request (in the sense of a <c>{filter, {all, [host, realm]}}</c> +option to <seealso marker="diameter#call">diameter:call/4</seealso>) +will be placed at the head of the list.</p> <p> The return values <c>false</c> and <c>{false, State}</c> are |