[OpenSIPS-Users] How can I write down the MI commands into the FIFO file, using an editor.

[Liviu Chircu]

Hi Rodrigo,

Most likely you're starting opensips as root user, however you're 
attempting to write to the FIFO file on behalf of an unprivileged user.

So either do "sudo echo_to_file_command" or just start OpenSIPS in 
unprivileged mode.

Here's my FIFO file, I can write to it:

[liviu ◄ Rivendell ~]$ ls -la /tmp/opensips_fifo
prw------- 1 liviu liviu 0 dec  2 11:02 /tmp/opensips_fifo


BR,

Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com

On 02.12.2015 12:53, Rodrigo Pimenta Carvalho wrote:
>
> Ok. thanks.
>
>
> I will search about it in operational system context. I used to think 
> that such fifo file was 100% supported by OpenSIPS. I didn't realize 
> that it could be something of unix.
>
>
> I'm kind of a beginner in unix or linux.
>
>
> Regards.
>
>
> RODRIGO PIMENTA CARVALHO
> Inatel Competence Center
> Software
> Ph: +55 35 3471 9200 RAMAL 979
>
>
> ------------------------------------------------------------------------
> *De:* users-bounces at lists.opensips.org 
> <users-bounces at lists.opensips.org> em nome de Ionut Muntean 
> <ionutm22 at gmail.com>
> *Enviado:* terça-feira, 1 de dezembro de 2015 17:19
> *Para:* users at lists.opensips.org
> *Assunto:* Re: [OpenSIPS-Users] How can I write down the MI commands 
> into the FIFO file, using an editor.
> Come on, read about FIFO in Linux, lot's of info on the net! Sorry, 
> but you lack some basic Linux OS knowledge ... The FIFO is active and 
> RW if the creating process is active and if you have the permissions 
> to do this.
>
> On 01/12/2015 21:13, Rodrigo Pimenta Carvalho wrote:
>>
>> Ok. Thanks.
>>
>>
>> But, if I cann't edit the file, how could a program (let's say a C 
>> program) write into such file?
>>
>>
>> I will create a executable that will have to write down MI commands 
>> into the FIFO file.
>>
>>
>> Any hint will be very helpful!
>>
>> Thanks a lot!
>>
>>
>> RODRIGO PIMENTA CARVALHO
>> Inatel Competence Center
>> Software
>> Ph: +55 35 3471 9200 RAMAL 979
>>
>>
>> ------------------------------------------------------------------------
>> *De:* users-bounces at lists.opensips.org 
>> <users-bounces at lists.opensips.org> em nome de Brian :: <bc at iptel.co>
>> *Enviado:* terça-feira, 1 de dezembro de 2015 16:38
>> *Para:* OpenSIPS users mailling list
>> *Assunto:* Re: [OpenSIPS-Users] How can I write down the MI commands 
>> into the FIFO file, using an editor.
>> This is not the correct way to go about what you are trying to achieve.
>>
>> You *cant* edit the fifo file. You use (correctly configured) 
>> opensipsctl fifo to send commands in realtime
>>
>> On Tue, Dec 1, 2015 at 5:04 PM, Rodrigo Pimenta Carvalho 
>> <pimenta at inatel.br <mailto:pimenta at inatel.br>> wrote:
>>
>>     Dear OpenSIPS-users,
>>
>>
>>     I my opensips.cfg I have:
>>
>>
>>     ---------------------------------------------------------
>>
>>
>>     ##### FIFO Management Interface
>>     loadmodule "mi_fifo.so"
>>     modparam("mi_fifo", "fifo_name", "/tmp/FifoCommands.txt")    #
>>     arquivo para ler comandos solicitados por aplicações externas.
>>     modparam("mi_fifo", "reply_dir", "/tmp")                     #
>>     diretório onde serão escritas as respostas do OpenSIPS, que serão
>>     lidas pelas aplicações externas.
>>     modparam("mi_fifo", "fifo_mode", 0777)                       #
>>     permissão de scrita e leitura.
>>     modparam("mi_fifo", "fifo_group", "root")                    #
>>     grupo de usuários para o arquivo.
>>     modparam("mi_fifo", "fifo_user", "root")                     #
>>     usuário do arquivo.
>>
>>
>>     ----------------------------------------------------------
>>
>>
>>
>>     When OpenSIPS is not running, I can edit the file
>>     FifoCommands.txt using emacs or vi, for example.
>>
>>
>>     However, when OpenSIPS is running I can not.  The editor tells me
>>     that the file is read only Why? How to solve this? Any configuration?
>>
>>
>>     Any hint will be very helpful!
>>
>>
>>     Thanks a lot.
>>
>>
>>
>>
>>
>>     RODRIGO PIMENTA CARVALHO
>>     Inatel Competence Center
>>     Software
>>     Ph: +55 35 3471 9200 <tel:%2B55%2035%203471%209200> RAMAL 979
>>
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>>
>>
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