Alex Balashov

####### Global Parameters #########

debug=3
log_stderror=yes
log_facility=LOG_LOCAL0
fork=no
children=5

/* uncomment the next line to disable TCP (default on) */
disable_tcp=yes

/* uncomment the next line to enable the auto temporary blacklisting of
   not available destinations (default disabled) */
disable_dns_blacklist=yes

/* uncomment the next line to enable IPv6 lookup after IPv4 dns
   lookup failures (default disabled) */
#dns_try_ipv6=yes

/* uncomment the next line to disable the auto discovery of local aliases
   based on revers DNS on IPs (default on) */

#auto_aliases=no

port=5060
#listen=udp:192.168.1.2:5060
listen=215.22.22.22:5060
####### Modules Section ########

# Set module path.

mpath="/usr/local/lib/kamailio/modules/"

loadmodule "sl.so"
loadmodule "tm.so"
loadmodule "rr.so"
loadmodule "maxfwd.so"
loadmodule "textops.so"
loadmodule "mi_fifo.so"
loadmodule "uri.so"
loadmodule "xlog.so"
loadmodule "options.so"
loadmodule "dialog.so"

### --- Module-specific parameters --- ###


# ----- mi_fifo params -----

modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")

# ---- tm params ---- #

modparam("tm", "enable_stats", 0)

# ----- rr params -----

# add value to ;lr param to cope with most of the UAs
modparam("rr", "enable_full_lr", 1)
# do not append from tag to the RR (no need for this script)
modparam("rr", "append_fromtag", 0)

# ----- dialog params ----- #

modparam("dialog", "enable_stats", 0)
modparam("dialog", "hash_size", 128)
modparam("dialog", "rr_param", "dlgcor")
modparam("dialog", "dlg_flag", 2)
modparam("dialog", "default_timeout", 120000)
modparam("dialog", "dlg_match_mode", 2)
modparam("dialog", "profiles_with_value", "incoming")


#############################
### REQUEST ROUTING LOGIC ###
#############################

## -- Main REQUEST-ROUTE -- ##

route {

        if (!mf_process_maxfwd_header("10")) {
                sl_send_reply("483","Too Many Hops");
                exit;
        }

        # Reply to OPTIONS pings as necessary.

        if(is_method("OPTIONS")) {
                sl_send_reply("200", "OK");
                exit;
        }

        # Add Record-route header if appropriate.

        if(!is_method("REGISTER|OPTIONS"))
                record_route();

#       if(loose_route()) {
#               xlog("L_INFO", "[LOOSE -->] Performing loose routing for $rm\n");
#
#               if(has_totag()) {
#                       xlog("L_INFO", "[LOOSE -->] This request is in-dialog - to-tag present.\n");
#               } else {
#                       xlog("L_INFO", "[LOOSE -->] This request is out-of-dialog - no to-tag.\n");
#               }
#       }

        if(src_ip == 198.225.86.10) {
                if(is_method("INVITE")) {
                        rewritehostport("210.23.22.23:5060");
                        xlog("L_INFO", "Relaying $rm from $rd to $ru\n");

                        setflag(2);
                        set_dlg_profile("incoming", "$fU");

                        xlog("[D] Added new dialog for $fU\n");

                        t_on_reply("1");
                        t_on_failure("1");

                        if(!t_relay()) {
                                sl_reply_error();
                                exit;
                        }


                } else {

                        xlog("L_INFO", "[SWITCH] Relaying $rm from $rd to $ru (DTAG=$fU)\n");
                        if(is_in_profile("incoming", "$fU")) {
                                xlog("L_INFO", "[SWITCH] [D] This $rm request is in-dialog for a dialog for $fU\n");
                        } else {
                                xlog("L_INFO", "[SWITCH] [D] No dialog affinity for this $rm\n");
                        }

                        t_on_reply("2");

                        if(!t_relay()) {
                                sl_reply_error();
                                exit;
                        }

                        get_profile_size("incoming", "7709600101", "$avp(S:dlg_sz)");

                        xlog("L_INFO", "[SWITCH] [D] Profile size for 7709600101 now: $avp(S:dlg_sz)\n");

                }

        } else {
                xlog("L_INFO", "[Z-END] Relaying $rm to $ru (DTAG=$fU)\n");

                if(is_in_profile("incoming", "$fU")) {
                        xlog("L_INFO", "[Z-END] [D] This request is in-dialog for a dialog for $fU\n");
                }

                t_on_reply("2");

                if(!t_relay()) {
                        sl_reply_error();
                        exit;
                }
        }
}


### -- FAILURE-ROUTE for INVITEs -- ###

failure_route[1] {
        xlog("L_INFO", "[FAILURE-ROUTE 1] Removing dialog for cause $rs\n");

        if(is_in_profile("incoming", "$fU"))
                unset_dlg_profile("incoming", "$fU");
}


### -- ONREPLY-ROUTE for INVITEs -- ###

onreply_route[1] {
        if(t_check_status("^1.+")) {
                xlog("L_INFO", "[ONREPLY-ROUTE 1] Provisional reply $rs received.\n");
                exit;
        }

        else if(t_check_status("200")) {
                xlog("L_INFO", "[ONREPLY-ROUTE 1] 200 OK received for $fU\n");
        }

        if(is_in_profile("incoming", "$fU")) {
                xlog("L_INFO", "[ONREPLY-ROUTE 1] $rm/$rs is part of dialog for $fU\n");
                get_profile_size("incoming", "$fU", "$avp(S:dlg_sz)");
                xlog("L_INFO", "[ONREPLY-ROUTE 1] Dialog profile size is: $avp(S:dlg_sz)\n");
        }
}

### -- ONREPLY-ROUTE for BYEs and CANCELs -- ###

onreply_route[2] {
        xlog("L_INFO", "[ONREPLY-ROUTE 2] Received $rs for $rm\n");
}