Thrift now works in PHP, hot stuff

Summary: End to end communication working in Thrift with PHP

Problem: It's a bit slower than pillar still. Need to find out why.

Reviewed By: aditya

Test Plan: Unit tests are in the test directory. Get lucas on the PHP case...




git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@664720 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/php/src/protocol/TProtocol.php b/lib/php/src/protocol/TProtocol.php
new file mode 100644
index 0000000..5a69bbd
--- /dev/null
+++ b/lib/php/src/protocol/TProtocol.php
@@ -0,0 +1,157 @@
+<?php
+
+/** Types */
+require_once THRIFT_ROOT.'/protocol/TType.php';
+
+/**
+ * Protocol module.
+ *
+ * @package thrift.protocol
+ * @author Mark Slee <mcslee@facebook.com>
+ */
+abstract class TProtocol {
+
+  /**
+   * Writes a struct header.
+   *
+   * @param TTransport $out  Output transport
+   * @param string     $name Struct name
+   * @throws TException on write error
+   * @return int How many bytes written
+   */
+  public abstract function writeStructBegin($out, $name);
+
+
+  /**
+   * Close a struct.
+   *
+   * @param TTransport $out Output transport
+   * @throws TException on write error
+   * @return int How many bytes written
+   */
+  public abstract function writeStructEnd($out);
+
+  /*
+   * Starts a field.
+   *
+   * @param TTransport $out  Output transport
+   * @param string     $name Field name
+   * @param int        $type Field type
+   * @param int        $fid  Field id
+   * @throws TException on write error
+   * @return int How many bytes written
+   */
+  public abstract function writeFieldBegin($out, $fieldName, $fieldType, $fieldId);
+
+  public abstract function writeFieldEnd($out);
+
+  public abstract function writeFieldStop($out);
+
+  public abstract function writeMapBegin($out, $keyType, $valType, $size);
+
+  public abstract function writeMapEnd($out);
+  
+  public abstract function writeListBegin($out, $elemType, $size);
+  
+  public abstract function writeListEnd($out);
+
+  public abstract function writeSetBegin($out, $elemType, $size);
+
+  public abstract function writeSetEnd($out);
+  
+  public abstract function writeByte($out, $byte);
+  
+  public abstract function writeI32($out, $i32);
+
+  public abstract function writeI64($out, $i64);
+
+  public abstract function writeString($out, $str);
+
+
+  public abstract function readStructBegin($in, &$name);
+  
+  public abstract function readStructEnd($in);
+
+  public abstract function readFieldBegin($in, &$name, &$fieldType, &$fieldId);
+
+  public abstract function readFieldEnd($in);
+
+  public abstract function readMapBegin($in, &$keyType, &$valType, &$size);
+
+  public abstract function readMapEnd($in);
+
+  public abstract function readListBegin($in, &$elemType, &$size);
+  
+  public abstract function readListEnd($in);
+
+  public abstract function readSetBegin($in, &$elemType, &$size);
+  
+  public abstract function readSetEnd($in);
+
+  public abstract function readByte($in, &$byte);
+  
+  public abstract function readI32($in, &$i32);
+
+  public abstract function readI64($in, &$i64);
+
+  public abstract function readString($in, &$str);
+
+  public function skip($in, $type) {
+    switch ($type) {
+    case TType::BYTE:
+      return $this->readByte($in, $byte);
+    case TType::I32:
+      return $this->readI32($in, $i32);
+    case TType::I64:
+      return $this->readI64($in, $i64);
+    case TType::STRING:
+      return $this->readString($in, $str);
+    case TType::STRUCT:
+      {
+        $result = $this->readStructBegin($in, $name);
+        while (true) {
+          $result += $this->readFieldBegin($in, $name, $ftype, $fid);
+          if ($ftype == TType::STOP) {
+            break;
+          }
+          $result += $this->skip($in, $ftype);
+          $result += $this->readFieldEnd($in);
+        }
+        $result += $this->readStructEnd($in);
+        return $result;
+      }
+    case TType::MAP:
+      {
+        $result = $this->readMapBegin($in, $keyType, $valType, $size);
+        for ($i = 0; $i < $size; $i++) {
+          $result += $this->skip($in, $keyType);
+          $result += $this->skip($in, $valType);
+        }
+        $result += $this->readMapEnd($in);
+        return $result;
+      }
+    case TType::SET:
+      {
+        $result = $this->readSetBegin($in, $elemType, $size);
+        for ($i = 0; $i < $size; $i++) {
+          $result += $this->skip($in, $elemType);
+        }
+        $result += $this->readSetEnd($in);
+        return $result;
+      }
+    case TType::LST:
+      {
+        $result = $this->readListBegin($in, $elemType, $size);
+        for ($i = 0; $i < $size; $i++) {
+          $result += $this->skip($in, $elemType);
+        }
+        $result += $this->readListEnd($in);
+        return $result;
+      }
+    default:
+      return 0;
+    }
+  }
+}
+
+?>