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 $this->errors[] = 'PLCAPI error: ' . $error_msg . ' in ' . $file . ' on line ' . $line;
53 error_log(end($this->errors));
58 if (empty($this->trace)) {
61 $last_trace = end($this->trace);
62 return implode("\\n", $last_trace['errors']);
71 function microtime_float()
73 list($usec, $sec) = explode(" ", microtime());
74 return ((float) $usec + (float) $sec);
77 function call($method, $args = NULL)
79 if ($this->multicall) {
80 $this->calls[] = array ('methodName' => $method,
84 return $this->internal_call ($method, $args, 3);
88 function internal_call($method, $args = NULL, $backtrace_level = 2)
92 // Verify peer certificate if talking over SSL
93 if ($this->port == 443) {
94 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 2);
95 if (!empty($this->cainfo)) {
96 curl_setopt($curl, CURLOPT_CAINFO, $this->cainfo);
97 } elseif (defined('PLC_API_CA_SSL_CRT')) {
98 curl_setopt($curl, CURLOPT_CAINFO, PLC_API_CA_SSL_CRT);
105 // Set the URL for the request
106 $url .= $this->server . ':' . $this->port . '/' . $this->path;
107 curl_setopt($curl, CURLOPT_URL, $url);
109 // Marshal the XML-RPC request as a POST variable. <nil/> is an
110 // extension to the XML-RPC spec that is supported in our custom
111 // version of xmlrpc.so via the 'allow_null' output_encoding key.
112 $request = xmlrpc_encode_request($method, $args, array('allow_null' => TRUE));
113 curl_setopt($curl, CURLOPT_POSTFIELDS, $request);
115 // Construct the HTTP header
116 $header[] = 'Content-type: text/xml';
117 $header[] = 'Content-length: ' . strlen($request);
118 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
120 // Set some miscellaneous options
121 curl_setopt($curl, CURLOPT_TIMEOUT, 180);
123 // Get the output of the request
124 curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
125 $t0 = $this->microtime_float();
126 $output = curl_exec($curl);
127 $t1 = $this->microtime_float();
129 if (curl_errno($curl)) {
130 $this->error_log('curl: ' . curl_error($curl), true);
133 $ret = xmlrpc_decode($output);
134 if (is_array($ret) && xmlrpc_is_fault($ret)) {
135 $this->error_log('Fault Code ' . $ret['faultCode'] . ': ' .
136 $ret['faultString'], $backtrace_level, true);
143 $this->trace[] = array('method' => $method,
145 'runtime' => $t1 - $t0,
147 'errors' => $this->errors);
148 $this->errors = array();
155 if (!empty($this->calls)) {
156 $this->error_log ('Warning: multicall already in progress');
159 $this->multicall = true;
164 if (!empty ($this->calls)) {
166 $results = $this->internal_call ('system.multicall', array ($this->calls));
167 foreach ($results as $result) {
168 if (is_array($result)) {
169 if (xmlrpc_is_fault($result)) {
170 $this->error_log('Fault Code ' . $result['faultCode'] . ': ' .
171 $result['faultString'], 1, true);
173 // Thierry - march 30 2007
174 // using $adm->error() is broken with begin/commit style
175 // this is because error() uses last item in trace and checks for ['errors']
176 // when using begin/commit we do run internal_call BUT internal_call checks for
177 // multicall's result globally, not individual results, so ['errors'] comes empty
178 // I considered hacking internal_call
179 // to *NOT* maintain this->trace at all when invoked with multicall
180 // but it is too complex to get all values right
181 // so let's go for the hacky way, and just record individual errors at the right place
182 $this->trace[count($this->trace)-1]['errors'][] = end($this->errors);
194 $this->calls = array();
195 $this->multicall = false;