3 // PlanetLab Central Slice API (PLCAPI) PHP interface
5 // DO NOT EDIT. This file was automatically generated at
8 // Mark Huang <mlhuang@cs.princeton.edu>
9 // Copyright (C) 2005-2006 The Trustees of Princeton University
16 require_once 'plc_config.php';
29 function PLCAPI($auth = NULL,
30 $server = PLC_API_HOST,
36 $this->server = $server;
39 $this->cainfo = $cainfo;
40 $this->errors = array();
41 $this->trace = array();
42 $this->calls = array();
43 $this->multicall = false;
46 function error_log($error_msg, $backtrace_level = 1)
48 $backtrace = debug_backtrace();
49 $file = $backtrace[$backtrace_level]['file'];
50 $line = $backtrace[$backtrace_level]['line'];
52 $error_line='PLCAPI error: ' . $error_msg ;
53 if ($file) $error_line .= ' in file ' . $file;
54 if ($line) $error_line .= ' on line ' . $line;
55 $this->errors[] = $error_line;
56 error_log($error_line);
61 if (empty($this->trace)) {
64 $last_trace = end($this->trace);
65 return implode("\\n", $last_trace['errors']);
74 function microtime_float()
76 list($usec, $sec) = explode(" ", microtime());
77 return ((float) $usec + (float) $sec);
80 function call($method, $args = NULL)
82 if ($this->multicall) {
83 $this->calls[] = array ('methodName' => $method,
87 return $this->internal_call ($method, $args, 3);
91 function internal_call($method, $args = NULL, $backtrace_level = 2)
95 // Verify peer certificate if talking over SSL
96 if ($this->port == 443) {
97 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 2);
98 if (!empty($this->cainfo)) {
99 curl_setopt($curl, CURLOPT_CAINFO, $this->cainfo);
100 } elseif (defined('PLC_API_CA_SSL_CRT')) {
101 curl_setopt($curl, CURLOPT_CAINFO, PLC_API_CA_SSL_CRT);
108 // Set the URL for the request
109 $url .= $this->server . ':' . $this->port . '/' . $this->path;
110 curl_setopt($curl, CURLOPT_URL, $url);
112 // Marshal the XML-RPC request as a POST variable. <nil/> is an
113 // extension to the XML-RPC spec that is supported in our custom
114 // version of xmlrpc.so via the 'allow_null' output_encoding key.
115 $request = xmlrpc_encode_request($method, $args, array('allow_null' => TRUE));
116 curl_setopt($curl, CURLOPT_POSTFIELDS, $request);
118 // Construct the HTTP header
119 $header[] = 'Content-type: text/xml';
120 $header[] = 'Content-length: ' . strlen($request);
121 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
123 // Set some miscellaneous options
124 curl_setopt($curl, CURLOPT_TIMEOUT, 180);
126 // Get the output of the request
127 curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
128 $t0 = $this->microtime_float();
129 $output = curl_exec($curl);
130 $t1 = $this->microtime_float();
132 if (curl_errno($curl)) {
133 $this->error_log('curl: ' . curl_error($curl), true);
136 $ret = xmlrpc_decode($output);
137 if (is_array($ret) && xmlrpc_is_fault($ret)) {
138 $this->error_log('Fault Code ' . $ret['faultCode'] . ': ' .
139 $ret['faultString'], $backtrace_level, true);
146 $this->trace[] = array('method' => $method,
148 'runtime' => $t1 - $t0,
150 'errors' => $this->errors);
151 $this->errors = array();
158 if (!empty($this->calls)) {
159 $this->error_log ('Warning: multicall already in progress');
162 $this->multicall = true;
167 if (!empty ($this->calls)) {
169 $results = $this->internal_call ('system.multicall', array ($this->calls));
170 foreach ($results as $result) {
171 if (is_array($result)) {
172 if (xmlrpc_is_fault($result)) {
173 $this->error_log('Fault Code ' . $result['faultCode'] . ': ' .
174 $result['faultString'], 1, true);
176 // Thierry - march 30 2007
177 // using $adm->error() is broken with begin/commit style
178 // this is because error() uses last item in trace and checks for ['errors']
179 // when using begin/commit we do run internal_call BUT internal_call checks for
180 // multicall's result globally, not individual results, so ['errors'] comes empty
181 // I considered hacking internal_call
182 // to *NOT* maintain this->trace at all when invoked with multicall
183 // but it is too complex to get all values right
184 // so let's go for the hacky way, and just record individual errors at the right place
185 $this->trace[count($this->trace)-1]['errors'][] = end($this->errors);
197 $this->calls = array();
198 $this->multicall = false;
207 function __call($name, $args)
209 array_unshift($args, $this->auth);
210 return $this->call($name, $args);
216 $adm = new PLCAPI(array('AuthMethod' => "capability",
217 'Username' => PLC_API_MAINTENANCE_USER,
218 'AuthString' => PLC_API_MAINTENANCE_PASSWORD));