update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / jaegertracing / thrift / lib / py / src / ext / protocol.h

diff --git a/ceph/src/jaegertracing/thrift/lib/py/src/ext/protocol.h b/ceph/src/jaegertracing/thrift/lib/py/src/ext/protocol.h
new file mode 100644 (file)
index 0000000..521b7ee
--- /dev/null
+++ b/ceph/src/jaegertracing/thrift/lib/py/src/ext/protocol.h
@@ -0,0 +1,96 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef THRIFT_PY_PROTOCOL_H
+#define THRIFT_PY_PROTOCOL_H
+
+#include "ext/types.h"
+#include <limits>
+#include <stdint.h>
+
+namespace apache {
+namespace thrift {
+namespace py {
+
+template <typename Impl>
+class ProtocolBase {
+
+public:
+  ProtocolBase()
+    : stringLimit_((std::numeric_limits<int32_t>::max)()),
+      containerLimit_((std::numeric_limits<int32_t>::max)()),
+      output_(NULL) {}
+  inline virtual ~ProtocolBase();
+
+  bool prepareDecodeBufferFromTransport(PyObject* trans);
+
+  PyObject* readStruct(PyObject* output, PyObject* klass, PyObject* spec_seq);
+
+  bool prepareEncodeBuffer();
+
+  bool encodeValue(PyObject* value, TType type, PyObject* typeargs);
+
+  PyObject* getEncodedValue();
+
+  long stringLimit() const { return stringLimit_; }
+  void setStringLengthLimit(long limit) { stringLimit_ = limit; }
+
+  long containerLimit() const { return containerLimit_; }
+  void setContainerLengthLimit(long limit) { containerLimit_ = limit; }
+
+protected:
+  bool readBytes(char** output, int len);
+
+  bool readByte(uint8_t& val) {
+    char* buf;
+    if (!readBytes(&buf, 1)) {
+      return false;
+    }
+    val = static_cast<uint8_t>(buf[0]);
+    return true;
+  }
+
+  bool writeBuffer(char* data, size_t len);
+
+  void writeByte(uint8_t val) { writeBuffer(reinterpret_cast<char*>(&val), 1); }
+
+  PyObject* decodeValue(TType type, PyObject* typeargs);
+
+  bool skip(TType type);
+
+  inline bool checkType(TType got, TType expected);
+  inline bool checkLengthLimit(int32_t len, long limit);
+
+  inline bool isUtf8(PyObject* typeargs);
+
+private:
+  Impl* impl() { return static_cast<Impl*>(this); }
+
+  long stringLimit_;
+  long containerLimit_;
+  EncodeBuffer* output_;
+  DecodeBuffer input_;
+};
+}
+}
+}
+
+#include "ext/protocol.tcc"
+
+#endif // THRIFT_PY_PROTOCOL_H