[Devel] t_newtran in BYE

Kapil Dhawan sersavvy at hotmail.com
Thu Aug 3 11:12:29 CEST 2006


With evey Bye i am receiving t_newtran
ERROR: t_newtran: transaction already in process
DEBUG:sl:sl_reply_error: error text is I'm terribly sorry, server error 
occurred (1/SL)

#
# $Id: openser.cfg,v 1.6 2006/02/15 18:23:46 bogdan_iancu Exp $
#
# simple quick-start config script
#

# ----------- global configuration parameters ------------------------

debug=8            # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=yes    # (cmd line: -E)

/* Uncomment these lines to enter debugging mode
fork=no
log_stderror=yes
*/

check_via=no    # (cmd. line: -v)
dns=no          # (cmd. line: -r)
rev_dns=no      # (cmd. line: -R)
port=5060
children=4
fifo="/tmp/openser_fifo"
fifo_db_url="mysql://root:root@localhost/openser"

#
# uncomment the following lines for TLS support
#disable_tls = 0
#listen = tls:your_IP:5061
#tls_verify = 1
#tls_require_certificate = 0
#tls_method = TLSv1
#tls_certificate = "/usr/local/etc/openser/tls/user/user-cert.pem"
#tls_private_key = "/usr/local/etc/openser/tls/user/user-privkey.pem"
#tls_ca_list = "/usr/local/etc/openser/tls/user/user-calist.pem"

# ------------------ module loading ----------------------------------

# Uncomment this if you want to use SQL database
loadmodule "/usr/local/lib/openser/modules/mysql.so"

loadmodule "/usr/local/lib/openser/modules/sl.so"
loadmodule "/usr/local/lib/openser/modules/tm.so"
loadmodule "/usr/local/lib/openser/modules/rr.so"
loadmodule "/usr/local/lib/openser/modules/maxfwd.so"
loadmodule "/usr/local/lib/openser/modules/usrloc.so"
loadmodule "/usr/local/lib/openser/modules/registrar.so"
loadmodule "/usr/local/lib/openser/modules/textops.so"

# Uncomment this if you want digest authentication
# mysql.so must be loaded !
loadmodule "/usr/local/lib/openser/modules/auth.so"
loadmodule "/usr/local/lib/openser/modules/auth_db.so"

# !! Accounting
loadmodule "/usr/local/lib/openser/modules/acc.so"

# !! Nathelper
loadmodule "/usr/local/lib/openser/modules/nathelper.so"

# ----------------- setting module-specific parameters ---------------

# -- usrloc params --

#modparam("usrloc", "db_mode",   0)

# Uncomment this if you want to use SQL database
# for persistent storage and comment the previous line
modparam("usrloc", "db_mode", 2)

# -- auth params --
# Uncomment if you are using auth module
#
modparam("auth_db", "calculate_ha1", yes)
#
# If you set "calculate_ha1" parameter to yes (which true in this config),
# uncomment also the following parameter)
#
modparam("auth_db", "password_column", "password")

# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)

# -- acc params --
# set the reporting log level
modparam("acc", "log_level", 3)
# number of flag, which will be used for accounting; if a message is
# labeled with this flag, its completion status will be reported
modparam("acc", "log_flag", 1)
modparam("acc", "log_missed_flag", 2)
modparam("acc", "failed_transaction_flag", 1)
modparam("acc", "report_cancels", 1)
modparam("acc", "db_url", "mysql://root:root@localhost/openser")
modparam("acc", "db_flag", 1)
modparam("acc", "db_missed_flag", 2)

# !! Nathelper
# -- nathelper params --
modparam("registrar", "nat_flag", 6)
modparam("nathelper", "natping_interval", 30) # Ping interval 30 s
modparam("nathelper", "ping_nated_only", 1)   # Ping only clients behind NAT

# -------------------------  request routing logic -------------------

# main routing logic

route{

        # initial sanity checks -- messages with
        # max_forwards==0, or excessively long requests
        if (!mf_process_maxfwd_header("10")) {
                sl_send_reply("483","Too Many Hops");
                exit;
        };

        if (msg:len >=  2048 ) {
                sl_send_reply("513", "Message too big");
                exit;
        };


        # !! Nathelper
        # Special handling for NATed clients; first, NAT test is
        # executed: it looks for via!=received and RFC1918 addresses
        # in Contact (may fail if line-folding is used); also,
        # the received test should, if completed, should check all
        # vias for presence of received
        if (nat_uac_test("3")) {
                # Allow RR-ed requests, as these may indicate that
                # a NAT-enabled proxy takes care of it; unless it is
                # a REGISTER

                if (method == "REGISTER" || ! search("^Record-Route:")) {
                    log("LOG: Someone trying to register from private IP, 
rewriting\n");

                    # This will work only for user agents that support 
symmetric
                    # communication. We tested quite many of them and 
majority is
                    # smart enough to be symmetric. In some phones it takes 
a configuration
                    # option. With Cisco 7960, it is called NAT_Enable=Yes, 
with kphone it is
                    # called "symmetric media" and "symmetric signalling".

                    fix_nated_contact(); # Rewrite contact with source IP of 
signalling
                    if (method == "INVITE") {
                        fix_nated_sdp("1"); # Add direction=active to SDP
                    };
                    force_rport(); # Add rport parameter to topmost Via
                    setflag(6);    # Mark as NATed
                };
        };

        # labeled all transaction for accounting
#        setflag(1);
#        setflag(2);
        # we record-route all messages -- to make sure that
        # subsequent messages will go through our proxy; that's
        # particularly good if upstream and downstream entities
        # use different transport protocol
        if (!method=="REGISTER")
                record_route();

        # subsequent messages withing a dialog should take the
        # path determined by record-routing
        if (loose_route()) {
                # mark routing logic in request
                append_hf("P-hint: rr-enforced\r\n");
                route(1);
        };

        if (!uri==myself) {
                # mark routing logic in request
                append_hf("P-hint: outbound\r\n");
                # if you have some interdomain connections via TLS
                #if(uri=~"@tls_domain1.net") {
                #       t_relay("tls:domain1.net");
                #       exit;
                #} else if(uri=~"@tls_domain2.net") {
                #       t_relay("tls:domain2.net");
                #       exit;
                #}
                route(1);
        };
        # if the request is for other domain use UsrLoc
        # (in case, it does not work, use the following command
        # with proper names and addresses in it)
        if (uri==myself) {

                if (method=="REGISTER") {

                        # Uncomment this if you want to use digest 
authentication
                        if (!www_authorize("", "subscriber")) {
                                www_challenge("", "0");
                                exit;
                        };

                        save("location");
                        exit;
                };

                lookup("aliases");
                if (!uri==myself) {
                        append_hf("P-hint: outbound alias\r\n");
                        route(1);
                };

                # native SIP destinations are handled using our USRLOC DB
                if (!lookup("location")) {
                        rewriteport("5065");
                        route(1);
#                       sl_send_reply("404", "Not Found");
                        exit;
                };
                append_hf("P-hint: usrloc applied\r\n");
        };
        t_on_failure("2");
        route(1);
}
route[1]
{
        # !! Nathelper
        if (uri=~"[@:](192\.168\.|10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.)" && 
!search("^Route:")){
            sl_send_reply("479", "We don't forward to private IP 
addresses");
            return;
        };

        # if client or server know to be behind a NAT, enable relay
        if (isflagset(6)) {
            force_rtp_proxy();
        };

        # NAT processing of replies; apply to all transactions (for example,
        # re-INVITEs from public to private UA are hard to identify as
        # NATed at the moment of request processing); look at replies
        t_on_reply("1");

        # send it out now; use stateful forwarding as it works reliably
        # even for UDP2TCP
        if (!t_relay()) {
                sl_reply_error();
        };
}

failure_route[2] {
        t_on_reply("1");
        append_branch();
        t_relay("udp:x.y.z.w:5065");
        exit;
}

# !! Nathelper
onreply_route[1] {
    # NATed transaction ?
    if (isflagset(6) && status =~ "(183)|2[0-9][0-9]") {
        fix_nated_contact();
        force_rtp_proxy();
    # otherwise, is it a transaction behind a NAT and we did not
    # know at time of request processing ? (RFC1918 contacts)
    } else if (nat_uac_test("1")) {
        fix_nated_contact();
    };
}

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