[Serusers] Re: [Serdev] nathelper updated to support RTP proxy
Maxim Sobolev
sobomax at portaone.com
Tue Jul 8 21:33:27 CEST 2003
I've applied a fix. Please update and let me know if it helps or not.
Thanks!
Sincerely,
Maxim
Younger Wang wrote:
> The permission tribute of /var/run/rtpproxy.sock is srwxr-xr-x.
>
> ----- Original Message -----
> From: "Younger Wang" <wygmail at yeah.net>
> To: "Maxim Sobolev" <sobomax at portaone.com>
> Cc: <serdev at lists.iptel.org>; <serusers at lists.iptel.org>
> Sent: Tuesday, July 08, 2003 11:35 AM
> Subject: Re: [Serusers] Re: [Serdev] nathelper updated to support RTP proxy
>
>
>
>>The call is made from a Nated ata186. I got the message from rtpproxy:
>>
>>rtpproxy: can't accept connection on control socket: Invalid argument
>>rtpproxy: can't accept connection on control socket: Invalid argument
>>
>>
>>The corresponding Ser output:
>>
>>[root at sip-iptel ser]# ser -f rtpproxy.cfg
>> 0(29376) WARNING: could not rev. resolve 192.17.1.173
>>Listening on
>> 192.17.1.173 [192.17.1.173]:5060
>>Aliases:
>>WARNING: no fork mode
>>textops - initializing
>>stateless - initializing
>> 0(0) INFO: udp_init: SO_RCVBUF is initially 65535
>> 0(0) INFO: udp_init: SO_RCVBUF is finally 131070
>> 0(29376) ERROR: extract_mediaip: no `c=' in SDP
>> 0(29376) ERROR: get_rtpp_port: can't read reply from a RTP proxy
>> 0(29376) WARNING: get_body_len: Content-TYPE header absent!let's assume
>
> the
>
>>content is text/plain ;-)
>> 0(29376) ERROR: on_reply processing failed
>> 0(29376) WARNING: get_body_len: Content-TYPE header absent!let's assume
>
> the
>
>>content is text/plain ;-)
>> 0(29376) ERROR: on_reply processing failed
>> 0(29376) ERROR: extract_mediaip: no `c=' in SDP
>> 0(29376) ERROR: get_rtpp_port: can't read reply from a RTP proxy
>> 0(29376) ERROR: on_reply processing failed
>>
>>
>>Younger Wang
>>
>>
>>
>>----- Original Message -----
>>From: "Maxim Sobolev" <sobomax at portaone.com>
>>To: "Younger Wang" <wygmail at yeah.net>
>>Cc: <serdev at lists.iptel.org>; <serusers at lists.iptel.org>
>>Sent: Monday, July 07, 2003 12:54 PM
>>Subject: Re: [Serusers] Re: [Serdev] nathelper updated to support RTP
>
> proxy
>
>>
>>>Start rtpproxy with `-f' flag which will prevent it from going into the
>>>daemon mode, make a test call and send me rtpproxy's output.
>>>
>>>-Maxim
>>>
>>>Younger Wang wrote:
>>>
>>>
>>>>Hi Maxim,
>>>>
>>>>I made the test. There is some problems:
>>>>1. The source of RTP proxy did not compile. I replaced Makefile with
>>>> Makefile.linux. The following error message is given:
>>>> cc -o main.o -c main.c
>>>> main.c: In function `setbindhost':
>>>> main.c:83: structure has no member named `sin_len'
>>>> make: *** [main.o] Error 1
>>>>
>>>> I commented line 83 in main.c and it compiled and the executive
>>
>>run.
>>
>>>>2 I run ser with the example script rtpproxy.cfg (modified to work
>
> in
>
>>my
>>
>>>>network). rtpproxy is also started. I made a nat call and here is the
>>
>>debug
>>
>>>>message:
>>>>
>>>> 0(29497) WARNING: could not rev. resolve 192.17.1.173
>>>>Listening on
>>>> 192.17.1.173 [192.17.1.173]:5060
>>>>Aliases:
>>>>WARNING: no fork mode
>>>>textops - initializing
>>>>stateless - initializing
>>>> 0(0) INFO: udp_init: SO_RCVBUF is initially 65535
>>>> 0(0) INFO: udp_init: SO_RCVBUF is finally 131070
>>>> 0(29497) ERROR: extract_mediaip: no `c=' in SDP
>>>> 0(29497) ERROR: get_rtpp_port: can't read reply from a RTP proxy
>>>> 0(29497) WARNING: get_body_len: Content-TYPE header absent!let's
>
> assume
>
>>the
>>
>>>>content is text/plain ;-)
>>>> 0(29497) ERROR: on_reply processing failed
>>>> 0(29497) WARNING: get_body_len: Content-TYPE header absent!let's
>
> assume
>
>>the
>>
>>>>content is text/plain ;-)
>>>> 0(29497) ERROR: on_reply processing failed
>>>> 0(29497) ERROR: extract_mediaip: no `c=' in SDP
>>>> 0(29497) ERROR: get_rtpp_port: can't read reply from a RTP proxy
>>>> 0(29497) ERROR: on_reply processing failed
>>>> 0(29497) ERROR: extract_mediaip: no `c=' in SDP
>>>> 0(29497) ERROR: get_rtpp_port: can't read reply from a RTP proxy
>>>> 0(29497) WARNING: get_body_len: Content-TYPE header absent!let's
>
> assume
>
>>the
>>
>>>>content is text/plain ;-)
>>>> 0(29497) ERROR: on_reply processing failed
>>>> 0(29497) WARNING: get_body_len: Content-TYPE header absent!let's
>
> assume
>
>>the
>>
>>>>content is text/plain ;-)
>>>> 0(29497) ERROR: on_reply processing failed
>>>> 0(29497) ERROR: extract_mediaip: no `c=' in SDP
>>>> 0(29497) ERROR: get_rtpp_port: can't read reply from a RTP proxy
>>>> 0(29497) ERROR: on_reply processing failed
>>>>
>>>> In fact, it should not work because I did not tell ser how to
>
> find
>
>>>>rtpproxy. But I did not find any information to do so.
>>>>
>>>>3. In rtpproxy.cfg, I found the following script:
>>>>
>>>>if (search("User-Agent: Cisco ATA.*")) {
>>>> setflag(1); # remember this is ATA
>>>> force_rport();
>>>> fix_nated_contact();
>>>>
>>>> What force_rport() is for? And in which module is it defined?
>>>>
>>>>4. There is two option or parameters for rtpproxy.
>>>> rtpproxy: usage: rtpproxy [-f] [-l address]
>>>>
>>>> Is there more information about its usage other than message
>
> above?
>
>>>>5. In README of module nathelper, I found:
>>>>
>>>>Name: fix_nated_sdp()
>>>>Params: mode - 0x01 (add direction=active), 0x02 (rewrite media IP
>>>> address with source address of the message)
>>>>Desc: Rewrites SDP body in accordance with mode flag
>>>>Example: if (search("User-Agent: Cisco ATA.*")
>>
>>{fix_nated_sdp(3);};
>>
>>>>Does fix_nated_sdp(3) means direction=active and rewrite media IP
>>
>>address
>>
>>>>with source address of the message? And what does direction=active
>>
>>means?
>>
>>>> And:
>>>>
>>>>Name: force_rtp_proxy
>>>>Params: none
>>>>
>>>>So what does mean?
>>>>
>>>>
>>>>Your reply is so soon, Maxim.
>>>>
>>>>Younger Wang
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>----- Original Message -----
>>>>From: "Maxim Sobolev" <sobomax at portaone.com>
>>>>To: <serusers at lists.iptel.org>
>>>>Cc: <serdev at lists.iptel.org>
>>>>Sent: Sunday, July 06, 2003 10:16 AM
>>>>Subject: [Serdev] nathelper updated to support RTP proxy
>>>>
>>>>
>>>>
>>>>
>>>>>Folks,
>>>>>
>>>>>Today I've updated nathelper module to support RTP proxy. It would
>>>>>be nice if somebody can test it on platforms other than FreeBSD,
>>>>>because I don't have an access to such boxes right now. The RTP
>>>>>proxy itself can be downloaded from:
>>>>>
>>>>>https://demo.portaone.com/~sobomax/PortaSIP/rtpproxy/
>>>>>
>>>>>Any feedback is greatly appreciated.
>>>>>
>>>>>-Maxim
>>>>>P.S. I've committed it to the HEAD, those with 0.8.11 prerelease
>>>>>please apply the following patch:
>>>>>
>>>>>https://demo.portaone.com/~sobomax/nathelper.diff
>>>>>
>>>>>_______________________________________________
>>>>>Serdev mailing list
>>>>>serdev at lists.iptel.org
>>>>>http://lists.iptel.org/mailman/listinfo/serdev
>>>>
>>>>
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>>>>
>>>>
>>>
>>>
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>>
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