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/TBinaryProtocol.php b/lib/php/src/protocol/TBinaryProtocol.php
new file mode 100644
index 0000000..867a8aa
--- /dev/null
+++ b/lib/php/src/protocol/TBinaryProtocol.php
@@ -0,0 +1,195 @@
+<?php
+
+/** For transport operations */
+require_once THRIFT_ROOT.'/transport/TTransport.php';
+
+/**
+ * Binary implementation of the Thrift protocol.
+ *
+ * @package thrift.protocol
+ * @author Mark Slee <mcslee@facebook.com>
+ */
+class TBinaryProtocol extends TProtocol {
+
+  public function writeStructBegin($out, $name) {
+    return 0;
+  }
+
+  public function writeStructEnd($out) {
+    return 0;
+  }
+
+  public function writeFieldBegin($out, $fieldName, $fieldType, $fieldId) {
+    return
+      $this->writeByte($out, $fieldType) +
+      $this->writeI32($out, $fieldId);
+  }
+
+  public function writeFieldEnd($out) {
+    return 0;
+  } 
+
+  public function writeFieldStop($out) {
+    return
+      $this->writeByte($out, TType::STOP);
+  }
+
+  public function writeMapBegin($out, $keyType, $valType, $size) {
+    return
+      $this->writeByte($out, $keyType) +
+      $this->writeByte($out, $valType) +
+      $this->writeI32($out, $size);
+  }
+
+  public function writeMapEnd($out) {
+    return 0;
+  }
+
+  public function writeListBegin($out, $elemType, $size) {
+    return
+      $this->writeByte($out, $elemType) +
+      $this->writeI32($out, $size);
+  }
+
+  public function writeListEnd($out) {
+    return 0;
+  }
+
+  public function writeSetBegin($out, $elemType, $size) {
+    return
+      $this->writeByte($out, $elemType) +
+      $this->writeI32($out, $size);
+  }
+
+  public function writeSetEnd($out) {
+    return 0;
+  }
+
+  public function writeByte($out, $byte) {
+    $data = pack('c', $byte);
+    $out->write($data, 1);
+    return 1;
+  }
+
+  public function writeI32($out, $i32) {
+    $data = pack('l', $i32);
+  //if (!defined('BIG_ENDIAN')) {
+      $data = strrev($data);
+  //}
+    $out->write($data, 4);
+    return 4;
+  }
+
+  public function writeI64($out, $i64) {
+    $hi = $i64 >> 32;
+    $lo = $i64 & 0xFFFFFFFF;
+    if (!defined('BIG_ENDIAN')) {
+      $data = pack('N2', $hi, $lo);
+    } else {
+      $data = pack('N2', $lo, $hi);
+    }
+    $out->write($data, 8);
+    return 8;
+  }
+
+  public function writeString($out, $str) {
+    $len = strlen($str);
+    $result = $this->writeI32($out, $len);
+    $out->write($str, $len);
+    return $result + $len;
+  }
+
+  public function readStructBegin($in, &$name) {
+    $name = '';
+    return 0;
+  }
+
+  public function readStructEnd($in) {
+    return 0;
+  }
+
+  public function readFieldBegin($in, &$name, &$fieldType, &$fieldId) {
+    $result = $this->readByte($in, $fieldType);
+    if ($fieldType == TType::STOP) {
+      $fieldId = 0;
+      return $result;
+    }
+    $result += $this->readI32($in, $fieldId);
+    return $result;
+  }
+
+  public function readFieldEnd($in) {
+    return 0;
+  }
+
+  public function readMapBegin($in, &$keyType, &$valType, &$size) {
+    $result = $this->readByte($in, $keyType);
+    $result += $this->readByte($in, $valType);
+    $result += $this->readI32($in, $size);
+    return $result;
+  }
+
+  public function readMapEnd($in) {
+    return 0;
+  }
+
+  public function readListBegin($in, &$elemType, &$size) {
+    $result = $this->readByte($in, $elemType);
+    $result += $this->readI32($in, $size);
+    return $result;
+  }
+
+  public function readListEnd($in) {
+    return 0;
+  }
+
+  public function readSetBegin($in, &$elemType, &$size) {
+    $result = $this->readByte($in, $elemType);
+    $result += $this->readI32($in, $size);
+    return $result;
+  }
+
+  public function readSetEnd($in) {
+    return 0;
+  }
+
+  public function readByte($in, &$byte) {
+    $data = $in->readAll(1);
+    $arr = unpack('c', $data);
+    $byte = $arr[1];
+    return 1;
+  }
+
+  public function readI32($in, &$i32) {
+    $data = $in->readAll(4);
+    if (!defined('BIG_ENDIAN')) {
+      $data = strrev($data);
+    }
+    $arr = unpack('l', $data);
+    $i32 = $arr[1];
+    return 4;
+  }
+
+  public function readI64($in, &$i64) {
+    $data = $in->readAll(8);
+    $arr = unpack('N2', $data);
+
+    // Check for a negative
+    if ($arr[1] & 0x80000000) {
+      $arr[1] = $arr[1] ^ 0xFFFFFFFF;
+      $arr[2] = $arr[2] ^ 0xFFFFFFFF;
+      $i64 = 0 - $arr[1]*4294967296 - $arr[2] - 1;
+    } else {
+      $i64 = $arr[1]*4294967296 + $arr[2];
+    }
+    return 8;
+  }
+
+  public function readString($in, &$str) {
+    $result = $this->readI32($in, $len);
+    $str = $in->readAll($len);
+    return $result + $len;
+  }
+}
+
+?>
\ No newline at end of file