Mercurial > mbsePi-apps / file comparison
comparison: www/getonewire.php
www/getonewire.php
- changeset 696
- fe042f9484ac
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| 695:ea20d8adbcaa | 696:fe042f9484ac |
|---|---|
| 1 <?php | |
| 2 | |
| 3 | |
| 4 function open_socket() | |
| 5 { | |
| 6 $sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); | |
| 7 | |
| 8 if (!($sock === false)) { | |
| 9 if (socket_connect($sock, "localhost", 6554)) { | |
| 10 socket_set_option($sock, SOL_SOCKET, SO_RCVTIMEO, array('sec' => 15, 'usec' => 0)); | |
| 11 } else { | |
| 12 socket_close($sock); | |
| 13 } | |
| 14 } | |
| 15 return $sock; | |
| 16 } | |
| 17 | |
| 18 | |
| 19 /** | |
| 20 * @param string $command to send to the server. | |
| 21 * @return string with the complete reply from the | |
| 22 * server. This can be a multiline reply. | |
| 23 */ | |
| 24 function send_cmd($command) | |
| 25 { | |
| 26 $sock = open_socket(); | |
| 27 if ($sock == false) { | |
| 28 return ""; | |
| 29 } | |
| 30 socket_write($sock, $command . "\r\n", 4096); | |
| 31 | |
| 32 $answer = ""; | |
| 33 while (1) { | |
| 34 $line = socket_read($sock, 4096); | |
| 35 if ($line === '') | |
| 36 break; | |
| 37 $answer .= $line; | |
| 38 } | |
| 39 socket_close($sock); | |
| 40 | |
| 41 return $answer; | |
| 42 } | |
| 43 | |
| 44 | |
| 45 function startsWith($haystack, $needle) | |
| 46 { | |
| 47 return !strncmp($haystack, $needle, strlen($needle)); | |
| 48 } | |
| 49 | |
| 50 | |
| 51 $answer = send_cmd("ONEWIRE JSON"); | |
| 52 header("Content-type: application/json"); | |
| 53 | |
| 54 $arr = explode("\r\n", $answer); | |
| 55 if (startsWith($arr[0], "212")) { | |
| 56 echo $arr[1]; | |
| 57 } else { | |
| 58 echo '{}'; | |
| 59 } | |
| 60 |
