[Freeswitch-dev] api getvar / setvar problem

Anthony Minessale anthony.minessale at gmail.com
Tue Nov 10 08:37:26 PST 2009

Are you writing your own client code?
What language are you using?
Have you seen the ESL library in tree that can be used as a client?

If you are writing your own client:
 are you following the protocol properly?
 read lines only until you reach 2 newline in a row while collecting headers
 when you have read 2 newline if there was a content-type you must read that
exact number of bytes no more or no less.
When you send commands are you terminating them with 2 newlines?
Have you disabled nagle's algorithm?

If you lose your framing somewhere you will certainly mess up eventually.

This is why I wrote the ESL lib for everyone to use.

On Mon, Nov 9, 2009 at 9:19 PM, Bob Coleman <bobc at devassert.com> wrote:

> Hi,
> I am pretty sure I am doing something wrong but here goes.
> I am using outbound event socket running on windows and everytime I
> send an api uuid_getvar or uuid_setvar the reply I get back is
> fragmented.
> I get the content type and the line that tells me the length, but then
> I get a blank line and nothing more coming down the socket. If I try
> to read another line after the blank line it blocks.
> eg.
> content-type: api/response
> content-length: ??
> If I make another call, say just api i get the actual variable
> contents i expected from the first call followed by the next content
> header??
> I can product a small demo if necessary, and that is my next step for
> diagnosing this, ie remove all the back ground stuff and focus on the
> problem, but I am hoping someone else has come across this and can
> point me in the right direction
> Cheers
> Bob
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Anthony Minessale II

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