[OpenSIPS-Users] load balancing in opensips

[Bogdan-Andrei Iancu]

Hi Ghaith,

are your calls hiting the usrloc after setting the outbound socket? 
because, looking at the script, I think so . And the lookup("location") 
function does override the outbound socket setting.

Regards,
Bogdan


Ghaith ALKAYYEM wrote:
> Hi,
>
> I'm trying to connect OpenSIP to 3 WAN links, and I want to distribute
> the traffic between those links according to the dialing number. So, I
> tried some modules like lcr and load_balance but the test didn't succeed
> because those modules are forwarding the traffic to another SIP gateway
> or media gateway.
>
> I tried to change the outbound interface via force_send_socket and
> setting mhomed=1 and OpenSIPS still connect through the main interface.
>
> The IPs of the system are:
> 172.23.1.20
> 172.23.1.19
> 172.23.1.18
> and the originating IP is always 172.23.1.20
>
> please find a part of my configuration file:
>
>
>
>
> # main request routing logic
>
> mhomed=1
>
> route{
>
> if($ct=~"2000.*")
> {
>        #load_balance("2","conf");
>        force_send_socket(172.23.1.19:5060);
> };
> if($ct=~"3000.*")
> {
>        #load_balance("1","conf");
>        force_send_socket(172.23.1.18:5060);
> };
>
>        if (!mf_process_maxfwd_header("10")) {
>                sl_send_reply("483","Too Many Hops");
>                exit;
>        }
>
>        if (has_totag()) {
>                # sequential request withing a dialog should
>                # take the path determined by record-routing
>                if (loose_route()) {
>                        if (is_method("BYE")) {
>                                setflag(1); # do accounting ...
>                                setflag(3); # ... even if the transaction
> fails
>                        } else if (is_method("INVITE")) {
>                                # even if in most of the cases is
> useless, do RR for
>                                # re-INVITEs alos, as some buggy clients
> do change route set
>                                # during the dialog.
>                                record_route();
>                        }
>                        # route it out to whatever destination was set by
> loose_route()
>                        # in $du (destination URI).
>                        route(1);
>                } else {
>                        /* uncomment the following lines if you want to
> enable presence */
>                        ##if (is_method("SUBSCRIBE") && $rd ==
> "your.server.ip.address") {
>                        ##      # in-dialog subscribe requests
>                        ##      route(2);
>                        ##      exit;
>                        ##}
>                        if ( is_method("ACK") ) {
>                                if ( t_check_trans() ) {
>                                        # non loose-route, but stateful
> ACK; must be an ACK after
>                                        # a 487 or e.g. 404 from upstream
> server
>                                        t_relay();
>                                        exit;
>                                } else {
>                                        # ACK without matching
> transaction ->
>                                        # ignore and discard
>                                        exit;
>                                }
>                        }
>                        sl_send_reply("404","Not here");
>                }
>                exit;
>        }
>
>        #initial requests
>
>        # CANCEL processing
>        if (is_method("CANCEL"))
>        {
>                if (t_check_trans())
>                        t_relay();
>                exit;
>        }
>
>        t_check_trans();
>
>        # authenticate if from local subscriber (uncomment to enable
> auth)
>        # authenticate all initial non-REGISTER request that pretend to
> be
>
>        # preloaded route checking
>        if (loose_route()) {
>                xlog("L_ERR",
>                "Attempt to route with preloaded Route's
> [$fu/$tu/$ru/$ci]");
>                if (!is_method("ACK"))
>                        sl_send_reply("403","Preload Route denied");
>                exit;
>        }
>        # record routing
>        if (!is_method("REGISTER|MESSAGE"))
>                record_route();
>
>        # account only INVITEs
>        if (is_method("INVITE")) {
>                setflag(1); # do accounting
>        }
>        if (!uri==myself)
>        ## replace with following line if multi-domain support is used
>        ##if (!is_uri_host_local())
>        {
>                append_hf("P-hint: outbound\r\n");
>                # if you have some interdomain connections via TLS
>                ##if($rd=="tls_domain1.net") {
>                ##      t_relay("tls:domain1.net");
>                ##      exit;
>                ##} else if($rd=="tls_domain2.net") {
>                ##      t_relay("tls:domain2.net");
>                ##      exit;
>                ##}
>                route(1);
>        }
>
>        # requests for my domain
>
>        ## uncomment this if you want to enable presence server
>        ##   and comment the next 'if' block
>        ##   NOTE: uncomment also the definition of route[2] from  below
>        ##if( is_method("PUBLISH|SUBSCRIBE"))
>        ##              route(2);
>
>        if (is_method("PUBLISH"))
>        {
>                sl_send_reply("503", "Service Unavailable");
>                exit;
>        }
>
>        if (is_method("REGISTER"))
>        {
>                # authenticate the REGISTER requests (uncomment to enable
> auth)
>                ##if (!www_authorize("", "subscriber"))
>                ##{
>                ##      www_challenge("", "0");
>                ##      exit;
>                ##}
>                ##
>                ##if (!check_to())
>                ##{
>                ##      sl_send_reply("403","Forbidden auth ID");
>                ##      exit;
>                ##}
>
>                if (!save("location"))
>                        sl_reply_error();
>
>                exit;
>        }
>
>        if ($rU==NULL) {
>                # request with no Username in RURI
>                sl_send_reply("484","Address Incomplete");
>                exit;
>        }
>        # apply DB based aliases (uncomment to enable)
>        ##alias_db_lookup("dbaliases");
>
>        if (!lookup("location")) {
>                switch ($retcode) {
>                        case -1:
>                        case -3:
>                                t_newtran();
>                                t_reply("404", "Not Found");
>                                exit;
>                        case -2:
>                                sl_send_reply("405", "Method Not
> Allowed");
>                                exit;
>                }
>        }
>
>        # when routing via usrloc, log the missed calls also
>        setflag(2);
>
>        route(1);
> }
>
>
>
>
> Many thnaks.
>
>
>
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