Answering myself: This is a "feature".
Assigning AVPs multiple times add an additional AVP with the same name.
To overwrite an existing AVP the following syntax is needed:
$(avp(pattern)[*]) = .....
regards
Klaus
On 07.07.2014 12:50, Klaus Darilion wrote:
> Hi!
>
> Kamailio 4.1.4. When using avp_check with fnmatch and AVP the result is
> always TRUE if it is true for 1 time. It only happens with $avp(), but
> not with $var().
>
> Is this a bug or some special behavior of AVPs?
>
>
> xlog("L_ERR", "======= with $$avp(...)================");
>
> $avp(rpid) = "+499539110";
>
> $avp(pattern) = "+499539[2-5]"; # NO MATCH
> if (avp_check("$avp(rpid)", "fm/$avp(pattern)/g")) {
> xlog("L_ERR", "$avp(rpid) matches $avp(pattern): YES");
> } else {
> xlog("L_ERR", "$avp(rpid) matches $avp(pattern): NO");
> }
>
> $avp(pattern) = "+499539*"; # MATCH
> if (avp_check("$avp(rpid)", "fm/$avp(pattern)/g")) {
> xlog("L_ERR", "$avp(rpid) matches $avp(pattern): YES");
> } else {
> xlog("L_ERR", "$avp(rpid) matches $avp(pattern): NO");
> }
>
> $avp(pattern) = "+499539[2-5]"; # NO MATCH
> if (avp_check("$avp(rpid)", "fm/$avp(pattern)/g")) {
> xlog("L_ERR", "$avp(rpid) matches $avp(pattern): YES");
> } else {
> xlog("L_ERR", "$avp(rpid) matches $avp(pattern): NO");
> }
>
>
> xlog("L_ERR", "======= with $$var(...)================");
>
> $var(rpid) = "+499539110";
>
> $var(pattern) = "+499539[2-5]"; # NO MATCH
> if (avp_check("$var(rpid)", "fm/$var(pattern)/g")) {
> xlog("L_ERR", "$var(rpid) matches $var(pattern): YES");
> } else {
> xlog("L_ERR", "$var(rpid) matches $var(pattern): NO");
> }
>
> $var(pattern) = "+499539*"; # MATCH
> if (avp_check("$var(rpid)", "fm/$var(pattern)/g")) {
> xlog("L_ERR", "$var(rpid) matches $var(pattern): YES");
> } else {
> xlog("L_ERR", "$var(rpid) matches $var(pattern): NO");
> }
>
> $var(pattern) = "+499539[2-5]"; # NO MATCH
> if (avp_check("$var(rpid)", "fm/$var(pattern)/g")) {
> xlog("L_ERR", "$var(rpid) matches $var(pattern): YES");
> } else {
> xlog("L_ERR", "$var(rpid) matches $var(pattern): NO");
> }
>
>
>
> --> The result is:
>
>
> <script>: ======= with $avp(...)================
> <script>: +499539110 matches +499539[2-5]: NO
> <script>: +499539110 matches +499539*: YES
> <script>: +499539110 matches +499539[2-5]: YES
> <script>: ======= with $var(...)================
> <script>: +499539110 matches +499539[2-5]: NO
> <script>: +499539110 matches +499539*: YES
> <script>: +499539110 matches +499539[2-5]: NO
>
>
>
> Thanks
> Klaus
>
>
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