#35062 [Bgs->Opn]: socket_read() produces warnings on non blocking sockets
ID: 35062 Updated by: [EMAIL PROTECTED] Reported By: dima at dimych dot sumy dot ua -Status: Bogus +Status: Open Bug Type: Sockets related Operating System: FreeBSD 4.9-STABLE #0 PHP Version: 4.4.1RC1 New Comment: opening it again, as this seems a different issue. We should have the EAGAIN constant and use it for non-blocking sockets. returning false isnt't a good idea. Previous Comments: [2005-11-04 16:23:08] [EMAIL PROTECTED] Please do not submit the same bug more than once. An existing bug report already describes this very problem. Even if you feel that your issue is somewhat different, the resolution is likely to be the same. Thank you for your interest in PHP. See bug #21197 [2005-11-04 14:53:52] dima at dimych dot sumy dot ua I`m look everyware in the Internet and don`t find any workaround for this problem. And error logs still growing... This code decreases count of warnings: -- code -- $startTime = microtime_float(true); socket_send($socket, $package, strLen($package), 0); socket_set_block($socket); $to = array('sec' => 0, 'usec' => 50); socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, $to); if (socket_read($socket, 4096)) { socket_close($socket); return microtime_float() - $startTime; } socket_close($socket); -- end of code -- my "ping" function launches once per 5 minutes for around 50 hosts, but not all of them alive. Dead hosts causes warnings. [2005-11-02 14:37:46] dima at dimych dot sumy dot ua I`m not agree what it is bogus part of code from ext/sockets/sockets.c: -- code -- if (type == PHP_NORMAL_READ) { retval = php_read(php_sock->bsd_socket, tmpbuf, length, 0); } else { retval = recv(php_sock->bsd_socket, tmpbuf, length, 0); } if (retval == -1) { PHP_SOCKET_ERROR(php_sock, "unable to read from socket", errno); efree(tmpbuf); RETURN_FALSE; } -- end of code -- As you can see any processing for EAGAIN not exists. Warning will be generated in any case. 1. I`m developing icmp ping function and "no reply" is not an error in my program. 2. Function, what can say is any data to receive, not exists. 3. I do not want to turn warnings off. Because I need them in other places. [2005-11-02 08:52:06] dima at dimych dot sumy dot ua Description: Use of socket_read() on non blocking sockets produces warinigs like: socket_read() unable to read from socket [35]: Resource temporarily unavailable I`m storing all php errors in log file /var/log/php.log. This warning causes overflow of /var partition because socket_read() called to wait icmp message. Reproduce code: --- $socket = socket_create(AF_INET, SOCK_RAW, 1); socket_connect($socket, $host, null); $startTime = microtime_float(true); socket_send($socket, $data, strLen($data), 0); socket_set_nonblock($socket); while((microtime_float() - $startTime) < 0.5) { $mt = microtime_float(); if (socket_read($socket, 255)) { break; } } socket_close($socket); Expected result: no warnings in php.log Actual result: -- I`m receive huge count of warinigs in my php.log file like this: socket_read() unable to read from socket [35]: Resource temporarily unavailable -- Edit this bug report at http://bugs.php.net/?id=35062&edit=1
#35062 [Bgs->Opn]: socket_read() produces warnings on non blocking sockets
ID: 35062 User updated by: dima at dimych dot sumy dot ua Reported By: dima at dimych dot sumy dot ua -Status: Bogus +Status: Open Bug Type: Sockets related Operating System: FreeBSD 4.9-STABLE #0 PHP Version: 4.4.1RC1 New Comment: I`m look everyware in the Internet and don`t find any workaround for this problem. And error logs still growing... This code decreases count of warnings: -- code -- $startTime = microtime_float(true); socket_send($socket, $package, strLen($package), 0); socket_set_block($socket); $to = array('sec' => 0, 'usec' => 50); socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, $to); if (socket_read($socket, 4096)) { socket_close($socket); return microtime_float() - $startTime; } socket_close($socket); -- end of code -- my "ping" function launches once per 5 minutes for around 50 hosts, but not all of them alive. Dead hosts causes warnings. Previous Comments: [2005-11-02 14:37:46] dima at dimych dot sumy dot ua I`m not agree what it is bogus part of code from ext/sockets/sockets.c: -- code -- if (type == PHP_NORMAL_READ) { retval = php_read(php_sock->bsd_socket, tmpbuf, length, 0); } else { retval = recv(php_sock->bsd_socket, tmpbuf, length, 0); } if (retval == -1) { PHP_SOCKET_ERROR(php_sock, "unable to read from socket", errno); efree(tmpbuf); RETURN_FALSE; } -- end of code -- As you can see any processing for EAGAIN not exists. Warning will be generated in any case. 1. I`m developing icmp ping function and "no reply" is not an error in my program. 2. Function, what can say is any data to receive, not exists. 3. I do not want to turn warnings off. Because I need them in other places. [2005-11-02 14:18:22] [EMAIL PROTECTED] Sorry, but your problem does not imply a bug in PHP itself. For a list of more appropriate places to ask for help using PHP, please visit http://www.php.net/support.php as this bug system is not the appropriate forum for asking support questions. Due to the volume of reports we can not explain in detail here why your report is not a bug. The support channels will be able to provide an explanation for you. Thank you for your interest in PHP. [2005-11-02 08:52:06] dima at dimych dot sumy dot ua Description: Use of socket_read() on non blocking sockets produces warinigs like: socket_read() unable to read from socket [35]: Resource temporarily unavailable I`m storing all php errors in log file /var/log/php.log. This warning causes overflow of /var partition because socket_read() called to wait icmp message. Reproduce code: --- $socket = socket_create(AF_INET, SOCK_RAW, 1); socket_connect($socket, $host, null); $startTime = microtime_float(true); socket_send($socket, $data, strLen($data), 0); socket_set_nonblock($socket); while((microtime_float() - $startTime) < 0.5) { $mt = microtime_float(); if (socket_read($socket, 255)) { break; } } socket_close($socket); Expected result: no warnings in php.log Actual result: -- I`m receive huge count of warinigs in my php.log file like this: socket_read() unable to read from socket [35]: Resource temporarily unavailable -- Edit this bug report at http://bugs.php.net/?id=35062&edit=1