[asterisk-dev] HylaFax Protocol Implementation

[Wolfgang Pichler]

Hi Steve,

i have had some problems with the real hylafax server - it crashed my
whole server from time to time while sending documents with more than
1 page - the crash was not reproducible - and - the complet system was
taken down. It was a vmware machine - and i had no chance to get a
console to it to see the last breath of the kernel... so no idea how
to solve it. That was the initial reason to try to write an
replacement for hylafax. Because other system do rely on the hylafax
file structure - i decided to keep it nearly in sync...

The other point is - that hylafax is not really multi domain cabable -
and i am hosting a virtual pbx system here - so it would be nice to
have this feature out of the box...

On the other hand - i now do see how much work there still is pending
- to get this thing to work like a charm. And i have now done a new
satelite system - which does only handle hylafax and t38modem - and
this system does now work without crashes any more. So if there is not
that much respond to my mail - it will also end without ever finishing
it.

Why did you startet an implementation sometimes ?

Is the ahafxd implementation from you ?

br,
Wolfgang

2012/2/6 Steve Underwood <steveu at coppice.org>:
> Hi Wolfgang,
>
>
> On 02/06/2012 04:09 PM, Wolfgang Pichler wrote:
>>
>> Hi all,
>>
>> i have started as sort of proof of concept - to implement a Fax Server
>> in Java which will use asterisk SendFax and ReceiveFax over the
>> manager interface and maybe AGI for ReceiveFax - and will provide on
>> the other side a hylafax compatibe protocol for the clients.
>>
>> It is already working sort of - you can transmit a new fax -
>> everything else is still in development.
>>
>> It does use the apache ftp server (http://mina.apache.org/ftpserver/)
>> as the ftp implemenation - overwriting functions - and adding new
>> functions. To communicate with asterisk i will use the asterisk-java
>> library.
>>
>> On the filesystem i have implementated the same directory structure as
>> hylafax does use (so that some web apps which does work with hylafax
>> will have no problem) - but it is able to use more than one spool root
>> (you can add users - every user can have its own spool root - or users
>> will share a spool root). So you have the ability to host multiple
>> companies with one server instance.
>>
>> I'd like to know if someone is interested in this development - or
>> someone wants to share some ideas...
>>
> Out of interest why did you choose to implement this, rather than feed the
> FAXes to and from a real instance of HylaFAX? I have a half finished Hylafax
> protocol server that's been hanging around for ages, and I never got around
> to finishing it. Part of me says its the right way to go, and another part
> says you might as well use real HylaFAX.
>
> Steve
>
>
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