CURL and process not finishing

------=_NextPart_000_1EAA_01C730C0.D34AFEB0
Content-Type: text/plain;
charset="iso-2022-jp"
Content-Transfer-Encoding: 7bit

I am using CURL to check pages outside my site on the internet for some
text, then I email someone on my database who supposedly looks after the
site. The script creates a process that does not terminate. It is running
on a scheduled cronjob so eventually my site has over the maximum of 20
processes running and it goes offline.

It may be that some of the pages I check are hard to get a response from, as
CURL tries to return the target URL. I have removed any emailing that it
does and still get the problem. Is there any way to check that a process is
not terminating after a reasonable time?

John

------=_NextPart_000_1EAA_01C730C0.D34AFEB0--

Re: CURL and process not finishing

On 1/5/07, john@shortstay-london.com wrote:
> I am using CURL to check pages outside my site on the internet for some
> text, then I email someone on my database who supposedly looks after the
> site. The script creates a process that does not terminate. It is running
> on a scheduled cronjob so eventually my site has over the maximum of 20
> processes running and it goes offline.
>
> It may be that some of the pages I check are hard to get a response from, as
> CURL tries to return the target URL. I have removed any emailing that it
> does and still get the problem. Is there any way to check that a process is
> not terminating after a reasonable time?

http://www.php.net/manual/en/function.set-time-limit.php

Get the php script to terminate after a certain amount of time.

You could also use this curl variable: CURLOPT_CONNECTTIMEOUT

in case it's a connection issue... see http://www.php.net/curl

I'd probably also try setting CURLOPT_VERBOSE to see if that reveals
the actual problem rather than guessing.

--
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Re: CURL and process not finishing

----- Original Message -----
From: "chris smith"
To:
Cc:
Sent: Friday, January 05, 2007 12:08 PM
Subject: Re: [PHP-DB] CURL and process not finishing


> On 1/5/07, john@shortstay-london.com wrote:
>> I am using CURL to check pages outside my site on the internet for some
>> text, then I email someone on my database who supposedly looks after the
>> site. The script creates a process that does not terminate. It is
>> running
>> on a scheduled cronjob so eventually my site has over the maximum of 20
>> processes running and it goes offline.
>>
>> It may be that some of the pages I check are hard to get a response from,
>> as
>> CURL tries to return the target URL. I have removed any emailing that it
>> does and still get the problem. Is there any way to check that a process
>> is
>> not terminating after a reasonable time?
>
> http://www.php.net/manual/en/function.set-time-limit.php
>
> Get the php script to terminate after a certain amount of time.
>
> You could also use this curl variable: CURLOPT_CONNECTTIMEOUT
>
> in case it's a connection issue... see http://www.php.net/curl
>
> I'd probably also try setting CURLOPT_VERBOSE to see if that reveals
> the actual problem rather than guessing.
>
> --
> Postgresql & php tutorials
> http://www.designmagick.com/








Thanks, Chris. This is the output:






* About to connect() to www.barcelona-hotel.ws port 80
* Trying 89.171.73.117... * connected
* Connected to www.barcelona-hotel.ws (89.171.73.117) port 80
> GET / HTTP/1.1
Host: www.barcelona-hotel.ws
Accept: */*

< HTTP/1.1 200 OK
< Content-Length: 28177
< Content-Type: text/html
< Content-Location: http://www.barcelona-hotel.ws/index.htm
< Last-Modified: Thu, 16 Mar 2006 10:23:52 GMT
< Accept-Ranges: bytes
< ETag: "466fd4b8e348c61:58b9"
< Server: Microsoft-IIS/6.0
< X-Powered-By: ASP.NET
< Date: Sat, 06 Jan 2007 14:01:46 GMT
* Connection #0 to host www.barcelona-hotel.ws left intact
* About to connect() to www.runawayexchange.com port 80
* Trying 69.56.206.170... * Connection timed out
* couldn't connect to host
* Closing connection #1
* About to connect() to www.runawayexchange.com port 80
* Trying 69.56.206.170... * Connection timed out
* couldn't connect to host
* Closing connection #1
* About to connect() to www.uktravelplanner.co.uk port 80
* Trying 212.227.38.68... * connected
* Connected to www.uktravelplanner.co.uk (212.227.38.68) port 80
> GET / HTTP/1.1
Host: www.uktravelplanner.co.uk
Accept: */*

< HTTP/1.1 200 OK
< Date: Sat, 06 Jan 2007 14:03:14 GMT
< Server: Apache/2.0.54 (Fedora)
< X-Powered-By: PHP/5.0.4
< Set-Cookie: PHPSESSID=7bam2tis61sr07qli62q26uvr1; path=/
< Expires: Thu, 19 Nov 1981 08:52:00 GMT
< Cache-Control: no-store, no-cache, must-revalidate, post-check=0,
pre-check=0
< Pragma: no-cache
< Content-Length: 5722
< Connection: close
< Content-Type: text/html
* Closing connection #1
* About to connect() to www.uktravelplanner.co.uk port 80
* Trying 212.227.38.68... * connected
* Connected to www.uktravelplanner.co.uk (212.227.38.68) port 80
> GET /links.htm?? HTTP/1.1
Host: www.uktravelplanner.co.uk
Accept: */*

< HTTP/1.1 404 Not Found
< Date: Sat, 06 Jan 2007 14:03:14 GMT
< Server: Apache/2.0.54 (Fedora)
< Content-Length: 298
< Connection: close
< Content-Type: text/html; charset=iso-8859-1
* Closing connection #1
* getaddrinfo(3) failed for http::80
* Couldn't resolve host 'http:'
* Closing connection #1
* getaddrinfo(3) failed for http::80
* Couldn't resolve host 'http:'
* Closing connection #1
* About to connect() to www.bed.cz port 80
* Trying 195.250.146.80... * connected
* Connected to www.bed.cz (195.250.146.80) port 80
> GET / HTTP/1.1
Host: www.bed.cz
Accept: */*

< HTTP/1.1 200 OK
< Date: Sat, 06 Jan 2007 14:02:21 GMT
< Server: Microsoft-IIS/6.0
< X-Powered-By: ASP.NET
< X-AspNet-Version: 2.0.50727
< Set-Cookie: ASP.NET_SessionId=gvugeu45lugalf55hu1x5rfq; path=/; HttpOnly
< Cache-Control: private
< Content-Type: text/html; charset=utf-8
< Content-Length: 59347
>

....and there it stops every time. Is this a script time out, as it stops
while looking at the site it is finding OK?

John

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Re: CURL and process not finishing

Hi

Are you running this as CLI or from your web-server? If the latter, use
phpinfo() and check the max_execution_time isn't causing you problems.

Niel

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Re: CURL and process not finishing

john@shortstay-london.com wrote:
> ----- Original Message ----- From: "chris smith"
> To:
> Cc:
> Sent: Friday, January 05, 2007 12:08 PM
> Subject: Re: [PHP-DB] CURL and process not finishing
>
>
>> On 1/5/07, john@shortstay-london.com wrote:
>>> I am using CURL to check pages outside my site on the internet for some
>>> text, then I email someone on my database who supposedly looks after the
>>> site. The script creates a process that does not terminate. It is
>>> running
>>> on a scheduled cronjob so eventually my site has over the maximum of 20
>>> processes running and it goes offline.
>>>
>>> It may be that some of the pages I check are hard to get a response
>>> from, as
>>> CURL tries to return the target URL. I have removed any emailing
>>> that it
>>> does and still get the problem. Is there any way to check that a
>>> process is
>>> not terminating after a reasonable time?
>>
>> http://www.php.net/manual/en/function.set-time-limit.php
>>
>> Get the php script to terminate after a certain amount of time.
>>
>> You could also use this curl variable: CURLOPT_CONNECTTIMEOUT
>>
>> in case it's a connection issue... see http://www.php.net/curl
>>
>> I'd probably also try setting CURLOPT_VERBOSE to see if that reveals
>> the actual problem rather than guessing.
>>
>> --
>> Postgresql & php tutorials
>> http://www.designmagick.com/
>
>
>
>
>
>
>
>
> Thanks, Chris. This is the output:



> * About to connect() to www.runawayexchange.com port 80
> * Trying 69.56.206.170... * Connection timed out
> * couldn't connect to host
> * Closing connection #1

Problems with this one.

> * About to connect() to www.uktravelplanner.co.uk port 80
> * Trying 212.227.38.68... * connected
> * Connected to www.uktravelplanner.co.uk (212.227.38.68) port 80
>> GET /links.htm?? HTTP/1.1
> Host: www.uktravelplanner.co.uk
> Accept: */*
>
> < HTTP/1.1 404 Not Found

That's a bad link there (in case you didn't notice it).

>
> ...and there it stops every time. Is this a script time out, as it
> stops while looking at the site it is finding OK?

Set the set_time_limit to 0 (unlimited). Sounds like the script is just
timing out.

--
Postgresql & php tutorials
http://www.designmagick.com/

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Re: CURL and process not finishing

It is on a shared server, max_exec_time is 3000, ie 30 seconds, which yes is
probably being exceeded. However, having set the CURL_CONNECTION_TIMEOUT
thingy it worked a lot better, and the page kept working long after 30
seconds had expired, leaving me with the question: what does
max_execution_time relate to? is it more like a maximum time without
activity.

I still get processes not finishing and accumulating on the server for
several hours, and wonder is it that if the script is terminated by some
other function like max_exec_time that the curl_close() does not get called
in the script and the process remains. Do I need to run another script on a
different cronjob to terminate such processes?



John

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Re: CURL and process not finishing

------=_NextPart_a13_5675_1bd74140.f9539afc_.MIX
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

----- Original Message -----=20
From: "chris smith"
To:
Cc:
Sent: Friday, January 05, 2007 12:08 PM
Subject: Re: [PHP-DB] CURL and process not finishing


> On 1/5/07, john@shortstay-london.com wrote=
:
>> I am using CURL to check pages outside my site on the internet for so=
me
>> text, then I email someone on my database who supposedly looks after =
the
>> site. The script creates a process that does not terminate. It is=20
>> running
>> on a scheduled cronjob so eventually my site has over the maximum of =
20
>> processes running and it goes offline.
>>
>> It may be that some of the pages I check are hard to get a response f=
rom,=20
>> as
>> CURL tries to return the target URL. I have removed any emailing tha=
t it
>> does and still get the problem. Is there any way to check that a pro=
cess=20
>> is
>> not terminating after a reasonable time?
>
> http://www.php.net/manual/en/function.set-time-limit.php
>
> Get the php script to terminate after a certain amount of time.
>
> You could also use this curl variable: CURLOPT_CONNECTTIMEOUT
>
> in case it's a connection issue... see http://www.php.net/curl
>
> I'd probably also try setting CURLOPT_VERBOSE to see if that reveals
> the actual problem rather than guessing.
>
> --=20
> Postgresql & php tutorials
> http://www.designmagick.com/








Thanks, Chris. This is the output:






* About to connect() to www.barcelona-hotel.ws port 80
* Trying 89.171.73.117... * connected
* Connected to www.barcelona-hotel.ws (89.171.73.117) port 80
> GET / HTTP/1.1
Host: www.barcelona-hotel.ws
Accept: */*

< HTTP/1.1 200 OK
< Content-Length: 28177
< Content-Type: text/html
< Content-Location: http://www.barcelona-hotel.ws/index.htm
< Last-Modified: Thu, 16 Mar 2006 10:23:52 GMT
< Accept-Ranges: bytes
< ETag: "466fd4b8e348c61:58b9"
< Server: Microsoft-IIS/6.0
< X-Powered-By: ASP.NET
< Date: Sat, 06 Jan 2007 14:01:46 GMT
* Connection #0 to host www.barcelona-hotel.ws left intact
* About to connect() to www.runawayexchange.com port 80
* Trying 69.56.206.170... * Connection timed out
* couldn't connect to host
* Closing connection #1
* About to connect() to www.runawayexchange.com port 80
* Trying 69.56.206.170... * Connection timed out
* couldn't connect to host
* Closing connection #1
* About to connect() to www.uktravelplanner.co.uk port 80
* Trying 212.227.38.68... * connected
* Connected to www.uktravelplanner.co.uk (212.227.38.68) port 80
> GET / HTTP/1.1
Host: www.uktravelplanner.co.uk
Accept: */*

< HTTP/1.1 200 OK
< Date: Sat, 06 Jan 2007 14:03:14 GMT
< Server: Apache/2.0.54 (Fedora)
< X-Powered-By: PHP/5.0.4
< Set-Cookie: PHPSESSID=3D7bam2tis61sr07qli62q26uvr1; path=3D/
< Expires: Thu, 19 Nov 1981 08:52:00 GMT
< Cache-Control: no-store, no-cache, must-revalidate, post-check=3D0,=20
pre-check=3D0
< Pragma: no-cache
< Content-Length: 5722
< Connection: close
< Content-Type: text/html
* Closing connection #1
* About to connect() to www.uktravelplanner.co.uk port 80
* Trying 212.227.38.68... * connected
* Connected to www.uktravelplanner.co.uk (212.227.38.68) port 80
> GET /links.htm?? HTTP/1.1
Host: www.uktravelplanner.co.uk
Accept: */*

< HTTP/1.1 404 Not Found
< Date: Sat, 06 Jan 2007 14:03:14 GMT
< Server: Apache/2.0.54 (Fedora)
< Content-Length: 298
< Connection: close
< Content-Type: text/html; charset=3Diso-8859-1
* Closing connection #1
* getaddrinfo(3) failed for http::80
* Couldn't resolve host 'http:'
* Closing connection #1
* getaddrinfo(3) failed for http::80
* Couldn't resolve host 'http:'
* Closing connection #1
* About to connect() to www.bed.cz port 80
* Trying 195.250.146.80... * connected
* Connected to www.bed.cz (195.250.146.80) port 80
> GET / HTTP/1.1
Host: www.bed.cz
Accept: */*

< HTTP/1.1 200 OK
< Date: Sat, 06 Jan 2007 14:02:21 GMT
< Server: Microsoft-IIS/6.0
< X-Powered-By: ASP.NET
< X-AspNet-Version: 2.0.50727
< Set-Cookie: ASP.NET_SessionId=3Dgvugeu45lugalf55hu1x5rfq; path=3D/; Ht=
tpOnly
< Cache-Control: private
< Content-Type: text/html; charset=3Dutf-8
< Content-Length: 59347
>

..and there it stops every time. Is this a script time out, as it st=
ops=20
while looking at the site it is finding OK?

John=20

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Limited. Any form of distribution, copying or other unauthorised use
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Piranha Studios Limited asserts its rights in this communication and
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Re: CURL and process not finishing

------=_NextPart_1b4_231e_59e34a44.10993e51_.MIX
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Hi

Are you running this as CLI or from your web-server? If the latter, us=
e
phpinfo() and check the max_execution_time isn't causing you problems.

Niel

--=20
PHP Database Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php




************************************************************ **********

IMPORTANT NOTICE

This communication is for the exclusive use of the intended recipient(s)
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it and destroy any copies of it.

This communication may contain confidential information and material
protected by copyright, design right or other intellectual property
rights which are and shall remain the property of Piranha Studios
Limited. Any form of distribution, copying or other unauthorised use
of this communication or the information in it is strictly prohibited.
Piranha Studios Limited asserts its rights in this communication and
the information in it and reserves the right to take action against
anyone who misuses it or the information in it.

Piranha Studios Limited cannot accept any liability sustained as a
result of software viruses and would recommend that you carry out your
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This communication may contain confidential information and material
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Limited. Any form of distribution, copying or other unauthorised use
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Piranha Studios Limited asserts its rights in this communication and
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Piranha Studios Limited cannot accept any liability sustained as a
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Re: CURL and process not finishing

------=_NextPart_024_59f8_c4a84026.876c982f_.MIX
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

john@shortstay-london.com wrote:
> ----- Original Message ----- From: "chris smith"
> To:
> Cc:
> Sent: Friday, January 05, 2007 12:08 PM
> Subject: Re: [PHP-DB] CURL and process not finishing
>=20
>=20
>> On 1/5/07, john@shortstay-london.com wrot=
e:
>>> I am using CURL to check pages outside my site on the internet for s=
ome
>>> text, then I email someone on my database who supposedly looks after=
the
>>> site. The script creates a process that does not terminate. It is=20
>>> running
>>> on a scheduled cronjob so eventually my site has over the maximum of=
20
>>> processes running and it goes offline.
>>>
>>> It may be that some of the pages I check are hard to get a response=20
>>> from, as
>>> CURL tries to return the target URL. I have removed any emailing=20
>>> that it
>>> does and still get the problem. Is there any way to check that a=20
>>> process is
>>> not terminating after a reasonable time?
>>
>> http://www.php.net/manual/en/function.set-time-limit.php
>>
>> Get the php script to terminate after a certain amount of time.
>>
>> You could also use this curl variable: CURLOPT_CONNECTTIMEOUT
>>
>> in case it's a connection issue... see http://www.php.net/curl
>>
>> I'd probably also try setting CURLOPT_VERBOSE to see if that reveals
>> the actual problem rather than guessing.
>>
>> --=20
>> Postgresql & php tutorials
>> http://www.designmagick.com/
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
> Thanks, Chris. This is the output:



> * About to connect() to www.runawayexchange.com port 80
> * Trying 69.56.206.170... * Connection timed out
> * couldn't connect to host
> * Closing connection #1

Problems with this one.

> * About to connect() to www.uktravelplanner.co.uk port 80
> * Trying 212.227.38.68... * connected
> * Connected to www.uktravelplanner.co.uk (212.227.38.68) port 80
>> GET /links.htm?? HTTP/1.1
> Host: www.uktravelplanner.co.uk
> Accept: */*
>=20
> < HTTP/1.1 404 Not Found

That's a bad link there (in case you didn't notice it).

>=20
> ...and there it stops every time. Is this a script time out, as it=20
> stops while looking at the site it is finding OK?

Set the set_time_limit to 0 (unlimited). Sounds like the script is just=20
timing out.

--=20
Postgresql & php tutorials
http://www.designmagick.com/

--=20
PHP Database Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php




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it and destroy any copies of it.

This communication may contain confidential information and material
protected by copyright, design right or other intellectual property
rights which are and shall remain the property of Piranha Studios
Limited. Any form of distribution, copying or other unauthorised use
of this communication or the information in it is strictly prohibited.
Piranha Studios Limited asserts its rights in this communication and
the information in it and reserves the right to take action against
anyone who misuses it or the information in it.

Piranha Studios Limited cannot accept any liability sustained as a
result of software viruses and would recommend that you carry out your
own virus checks before opening any attachment.

************************************************************ ************
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of this communication or the information in it is strictly prohibited.
Piranha Studios Limited asserts its rights in this communication and
the information in it and reserves the right to take action against
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Piranha Studios Limited cannot accept any liability sustained as a
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Re: CURL and process not finishing

------=_NextPart_c42_ec29_46334049.70f7f9c0_.MIX
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

It is on a shared server, max_exec_time is 3000, ie 30 seconds, which ye=
s is
probably being exceeded. However, having set the CURL_CONNECTION_TIMEOU=
T
thingy it worked a lot better, and the page kept working long after 30
seconds had expired, leaving me with the question: what does
max_execution_time relate to? is it more like a maximum time without=20
activity.

I still get processes not finishing and accumulating on the server for=20
several hours, and wonder is it that if the script is terminated by some=
=20
other function like max_exec_time that the curl_close() does not get cal=
led=20
in the script and the process remains. Do I need to run another script =
on a=20
different cronjob to terminate such processes?



John

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Re: CURL and process not finishing

Hi

> leaving me with the question: what does
> max_execution_time relate to? is it more like a maximum time without
> activity.

max_execution_time is the time php gets to execute code. From the
documentation: "The maximum execution time is not affected by system
calls, stream operations etc. Please see the set_time_limit() function
for more details."


Niel

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