Thrift now a TLP - INFRA-31160.1.x

git-svn-id: https://svn.apache.org/repos/asf/thrift/branches/0.1.x@1028168 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 148 insertions, 0 deletions

diff --git a/lib/cpp/src/Thrift.cpp b/lib/cpp/src/Thrift.cpp
new file mode 100644
index 000000000..ed99205b8
--- /dev/null
+++ b/lib/cpp/src/Thrift.cpp
@@ -0,0 +1,148 @@
+/*
+ * 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.
+ */
+
+#include <Thrift.h>
+#include <cstring>
+#include <boost/lexical_cast.hpp>
+#include <protocol/TProtocol.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+namespace apache { namespace thrift {
+
+TOutput GlobalOutput;
+
+void TOutput::printf(const char *message, ...) {
+  // Try to reduce heap usage, even if printf is called rarely.
+  static const int STACK_BUF_SIZE = 256;
+  char stack_buf[STACK_BUF_SIZE];
+  va_list ap;
+
+  va_start(ap, message);
+  int need = vsnprintf(stack_buf, STACK_BUF_SIZE, message, ap);
+  va_end(ap);
+
+  if (need < STACK_BUF_SIZE) {
+    f_(stack_buf);
+    return;
+  }
+
+  char *heap_buf = (char*)malloc((need+1) * sizeof(char));
+  if (heap_buf == NULL) {
+    // Malloc failed.  We might as well print the stack buffer.
+    f_(stack_buf);
+    return;
+  }
+
+  va_start(ap, message);
+  int rval = vsnprintf(heap_buf, need+1, message, ap);
+  va_end(ap);
+  // TODO(shigin): inform user
+  if (rval != -1) {
+    f_(heap_buf);
+  }
+  free(heap_buf);
+}
+
+void TOutput::perror(const char *message, int errno_copy) {
+  std::string out = message + strerror_s(errno_copy);
+  f_(out.c_str());
+}
+
+std::string TOutput::strerror_s(int errno_copy) {
+#ifndef HAVE_STRERROR_R
+  return "errno = " + boost::lexical_cast<std::string>(errno_copy);
+#else  // HAVE_STRERROR_R
+
+  char b_errbuf[1024] = { '\0' };
+#ifdef STRERROR_R_CHAR_P
+  char *b_error = strerror_r(errno_copy, b_errbuf, sizeof(b_errbuf));
+#else
+  char *b_error = b_errbuf;
+  int rv = strerror_r(errno_copy, b_errbuf, sizeof(b_errbuf));
+  if (rv == -1) {
+    // strerror_r failed.  omgwtfbbq.
+    return "XSI-compliant strerror_r() failed with errno = " +
+      boost::lexical_cast<std::string>(errno_copy);
+  }
+#endif
+  // Can anyone prove that explicit cast is probably not necessary
+  // to ensure that the string object is constructed before
+  // b_error becomes invalid?
+  return std::string(b_error);
+
+#endif  // HAVE_STRERROR_R
+}
+
+uint32_t TApplicationException::read(apache::thrift::protocol::TProtocol* iprot) {
+  uint32_t xfer = 0;
+  std::string fname;
+  apache::thrift::protocol::TType ftype;
+  int16_t fid;
+
+  xfer += iprot->readStructBegin(fname);
+
+  while (true) {
+    xfer += iprot->readFieldBegin(fname, ftype, fid);
+    if (ftype == apache::thrift::protocol::T_STOP) {
+      break;
+    }
+    switch (fid) {
+    case 1:
+      if (ftype == apache::thrift::protocol::T_STRING) {
+        xfer += iprot->readString(message_);
+      } else {
+        xfer += iprot->skip(ftype);
+      }
+      break;
+    case 2:
+      if (ftype == apache::thrift::protocol::T_I32) {
+        int32_t type;
+        xfer += iprot->readI32(type);
+        type_ = (TApplicationExceptionType)type;
+      } else {
+        xfer += iprot->skip(ftype);
+      }
+      break;
+    default:
+      xfer += iprot->skip(ftype);
+      break;
+    }
+    xfer += iprot->readFieldEnd();
+  }
+
+  xfer += iprot->readStructEnd();
+  return xfer;
+}
+
+uint32_t TApplicationException::write(apache::thrift::protocol::TProtocol* oprot) const {
+  uint32_t xfer = 0;
+  xfer += oprot->writeStructBegin("TApplicationException");
+  xfer += oprot->writeFieldBegin("message", apache::thrift::protocol::T_STRING, 1);
+  xfer += oprot->writeString(message_);
+  xfer += oprot->writeFieldEnd();
+  xfer += oprot->writeFieldBegin("type", apache::thrift::protocol::T_I32, 2);
+  xfer += oprot->writeI32(type_);
+  xfer += oprot->writeFieldEnd();
+  xfer += oprot->writeFieldStop();
+  xfer += oprot->writeStructEnd();
+  return xfer;
+}
+
+}} // apache::thrift