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
15 require_once 'plc_config.php';
28 function PLCAPI($auth = NULL,
29 $server = PLC_API_HOST,
35 $this->server = $server;
38 $this->cainfo = $cainfo;
39 $this->errors = array();
40 $this->trace = array();
41 $this->calls = array();
42 $this->multicall = false;
45 function error_log($error_msg, $backtrace_level = 1)
47 $backtrace = debug_backtrace();
48 $file = $backtrace[$backtrace_level]['file'];
49 $line = $backtrace[$backtrace_level]['line'];
51 $this->errors[] = 'PLCAPI error: ' . $error_msg . ' in ' . $file . ' on line ' . $line;
52 error_log(end($this->errors));
57 if (empty($this->trace)) {
60 $last_trace = end($this->trace);
61 return implode("\\n", $last_trace['errors']);
70 function microtime_float()
72 list($usec, $sec) = explode(" ", microtime());
73 return ((float) $usec + (float) $sec);
76 function call($method, $args = NULL)
78 if ($this->multicall) {
79 $this->calls[] = array ('methodName' => $method,
83 return $this->internal_call ($method, $args, 3);
87 function internal_call($method, $args = NULL, $backtrace_level = 2)
91 // Verify peer certificate if talking over SSL
92 if ($this->port == 443) {
93 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 2);
94 if (!empty($this->cainfo)) {
95 curl_setopt($curl, CURLOPT_CAINFO, $this->cainfo);
96 } elseif (defined('PLC_API_CA_SSL_CRT')) {
97 curl_setopt($curl, CURLOPT_CAINFO, PLC_API_CA_SSL_CRT);
104 // Set the URL for the request
105 $url .= $this->server . ':' . $this->port . '/' . $this->path;
106 curl_setopt($curl, CURLOPT_URL, $url);
108 // Marshal the XML-RPC request as a POST variable. <nil/> is an
109 // extension to the XML-RPC spec that is supported in our custom
110 // version of xmlrpc.so via the 'allow_null' output_encoding key.
111 $request = xmlrpc_encode_request($method, $args, array('allow_null' => TRUE));
112 curl_setopt($curl, CURLOPT_POSTFIELDS, $request);
114 // Construct the HTTP header
115 $header[] = 'Content-type: text/xml';
116 $header[] = 'Content-length: ' . strlen($request);
117 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
119 // Set some miscellaneous options
120 curl_setopt($curl, CURLOPT_TIMEOUT, 30);
122 // Get the output of the request
123 curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
124 $t0 = $this->microtime_float();
125 $output = curl_exec($curl);
126 $t1 = $this->microtime_float();
128 if (curl_errno($curl)) {
129 $this->error_log('curl: ' . curl_error($curl), true);
132 $ret = xmlrpc_decode($output);
133 if (is_array($ret) && xmlrpc_is_fault($ret)) {
134 $this->error_log('Fault Code ' . $ret['faultCode'] . ': ' .
135 $ret['faultString'], $backtrace_level, true);
142 $this->trace[] = array('method' => $method,
144 'runtime' => $t1 - $t0,
146 'errors' => $this->errors);
147 $this->errors = array();
154 if (!empty($this->calls)) {
155 $this->error_log ('Warning: multicall already in progress');
158 $this->multicall = true;
163 if (!empty ($this->calls)) {
165 $results = $this->internal_call ('system.multicall', array ($this->calls));
166 foreach ($results as $result) {
167 if (is_array($result)) {
168 if (xmlrpc_is_fault($result)) {
169 $this->error_log('Fault Code ' . $result['faultCode'] . ': ' .
170 $result['faultString'], 1, true);
172 // Thierry - march 30 2007
173 // using $adm->error() is broken with begin/commit style
174 // this is because error() uses last item in trace and checks for ['errors']
175 // when using begin/commit we do run internal_call BUT internal_call checks for
176 // multicall's result globally, not individual results, so ['errors'] comes empty
177 // I considered hacking internal_call
178 // to *NOT* maintain this->trace at all when invoked with multicall
179 // but it is too complex to get all values right
180 // so let's go for the hacky way, and just record individual errors at the right place
181 $this->trace[count($this->trace)-1]['errors'][] = end($this->errors);
193 $this->calls = array();
194 $this->multicall = false;