| 1 | |
| 2 | //////////////////////////////////////////////////////////////////////////////// |
| 3 | // |
| 4 | // File: ecrc.php: ECR Daemon Client Library |
| 5 | // Description: Php Module interface to ecrd (ECR Daemon). |
| 6 | // Author: Andrew@DeFaria.com |
| 7 | // Created: Tue Feb 15 09:40:57 PST 2005 |
| 8 | // Modified: |
| 9 | // Language: Php |
| 10 | // |
| 11 | // (c) Copyright 2005, LynuxWorks, all rights reserved. |
| 12 | // |
| 13 | //////////////////////////////////////////////////////////////////////////////// |
| 14 | require_once "Net/Socket.php"; |
| 15 | |
| 16 | define ("SERVER", "lynx12"); |
| 17 | define ("PORT", 1500); |
| 18 | |
| 19 | $ecrserver; |
| 20 | $verbose = $_REQUEST [verbose]; |
| 21 | $debug = $_REQUEST [debug]; |
| 22 | |
| 23 | function verbose ($msg) { |
| 24 | global $verbose; |
| 25 | |
| 26 | if ($verbose == 1) { |
| 27 | print "$msg<br>"; |
| 28 | } // if |
| 29 | } // verbose |
| 30 | |
| 31 | function debug ($msg) { |
| 32 | global $debug; |
| 33 | |
| 34 | if ($debug == 1) { |
| 35 | print "DEBUG: $msg<br>"; |
| 36 | } // if |
| 37 | } // debug |
| 38 | |
| 39 | function Connect ($host, $port = 1500) { |
| 40 | global $ecrserver; |
| 41 | |
| 42 | debug ("Connect ($host, $port)"); |
| 43 | |
| 44 | $ecrserver = ConnectToServer ($host, $port); |
| 45 | |
| 46 | if (is_object ($ecrserver)) { |
| 47 | verbose ("Connected to $host"); |
| 48 | SendServerAck ($ecrserver); |
| 49 | } // if |
| 50 | |
| 51 | return $ecrserver; |
| 52 | } // Connect |
| 53 | |
| 54 | function Disconnect () { |
| 55 | global $ecrserver; |
| 56 | global $command; |
| 57 | |
| 58 | $msg; |
| 59 | |
| 60 | if ($ecrserver) { |
| 61 | if ($command == "shutdown") { |
| 62 | $msg = "Disconnected from server - shutdown server"; |
| 63 | } else { |
| 64 | $command = "quit"; |
| 65 | $msg = "Disconnected from server"; |
| 66 | } // if |
| 67 | SendServerCmd ($ecrserver, $command); |
| 68 | GetServerAck ($ecrserver); |
| 69 | verbose ($msg); |
| 70 | $ecrserver->disconnect (); |
| 71 | } // if |
| 72 | } // Disconnect |
| 73 | |
| 74 | function GetECRRecord ($ecr) { |
| 75 | global $ecrserver; |
| 76 | |
| 77 | $fields; |
| 78 | |
| 79 | debug ("ENTER GetECRRecord ($ecr)"); |
| 80 | if (!$ecrserver) { |
| 81 | verbose ("Not connected to server yet!"); |
| 82 | verbose ("Attempting connection to $default_server..."); |
| 83 | if (!Connect (SERVER)) { |
| 84 | print "Unable to connect to server ". SERVER . "<br>"; |
| 85 | exit (1); |
| 86 | } // if |
| 87 | } // if |
| 88 | |
| 89 | SendServerCmd ($ecrserver, $ecr); |
| 90 | GetServerAck ($ecrserver); |
| 91 | |
| 92 | if ($ecr == "*") { |
| 93 | verbose ("Getting all ECRs"); |
| 94 | $fields = GetServerList ($ecrserver); |
| 95 | } else { |
| 96 | verbose ("Getting specific ECR $ecr"); |
| 97 | $fields = GetServerResponse ($ecrserver); |
| 98 | } // if |
| 99 | |
| 100 | SendServerAck ($ecrserver); |
| 101 | |
| 102 | return $fields; |
| 103 | } // GetECRRecord |
| 104 | |
| 105 | function Shutdown () { |
| 106 | global $command; |
| 107 | |
| 108 | verbose ("Sending disconnect command to server"); |
| 109 | $command = "quit"; |
| 110 | Disconnect (); |
| 111 | } // Shutdown |
| 112 | |
| 113 | function ConnectToServer ($host, $port = 1500) { |
| 114 | $socket = new Net_Socket (); |
| 115 | |
| 116 | debug ("Socket created... Attempting to connect to $host:$port"); |
| 117 | // create a tcp connection to the specified host and port |
| 118 | if (@$socket->connect ($host, $port) == 1) { |
| 119 | verbose ("Socket $socket connected"); |
| 120 | } else { |
| 121 | print "Unable to connect to server $host:$port!<br>"; |
| 122 | exit (1); |
| 123 | } // if |
| 124 | |
| 125 | return $socket; |
| 126 | } // ConnectToServer |
| 127 | |
| 128 | function SendServerAck ($server) { |
| 129 | $server->write ("ACK" . "\n"); |
| 130 | } // SendServerAck |
| 131 | |
| 132 | function GetServerAck ($server) { |
| 133 | while ($srvresp = $server->readLine ()) { |
| 134 | if ($srvresp == "ACK") { |
| 135 | return; |
| 136 | } // if |
| 137 | verbose ("Received $srvresp from server - expected ACK"); |
| 138 | } // while |
| 139 | } // GetServerAck |
| 140 | |
| 141 | function GetServerList ($server) { |
| 142 | $ecrs = array (); |
| 143 | |
| 144 | while ($srvresp = $server->readLine ()) { |
| 145 | if ($srvresp == "ACK") { |
| 146 | break; |
| 147 | } // if |
| 148 | |
| 149 | if (preg_match ("/ECR.*was not found/", $srvresp)) { |
| 150 | return; |
| 151 | } else { |
| 152 | array_push ($ecrs, $srvresp); |
| 153 | } // if |
| 154 | } // while |
| 155 | |
| 156 | return $ecrs; |
| 157 | } # GetServerList |
| 158 | |
| 159 | function GetServerResponse ($server) { |
| 160 | $fields; |
| 161 | |
| 162 | while ($srvresp = $server->readLine ()) { |
| 163 | if ($srvresp == "ACK") { |
| 164 | break; |
| 165 | } // if |
| 166 | |
| 167 | if (preg_match ("/ECR.*was not found/", $srvresp)) { |
| 168 | return; |
| 169 | } else { |
| 170 | preg_match ("/(^\w+):\s+(.*)/s", $srvresp, $matches); |
| 171 | $value = str_replace ("\\n", "\n", $matches [2]); |
| 172 | $fields {$matches [1]} = $value; |
| 173 | } // if |
| 174 | } // while |
| 175 | |
| 176 | return $fields; |
| 177 | } // GetServerResponse |
| 178 | |
| 179 | function SendServerCmd ($server, $command) { |
| 180 | $server->write ($command . "\n"); |
| 181 | } // SendServerCmd |
| 182 | ?> |