1 files changed, 124 insertions, 0 deletions
diff --git a/src/cpp/common/channel_arguments.cc b/src/cpp/common/channel_arguments.cc
new file mode 100644
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+++ b/src/cpp/common/channel_arguments.cc
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+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc++/support/channel_arguments.h>
+
+#include <grpc/support/log.h>
+#include "src/core/channel/channel_args.h"
+
+namespace grpc {
+
+ChannelArguments::ChannelArguments(const ChannelArguments& other)
+    : strings_(other.strings_) {
+  args_.reserve(other.args_.size());
+  auto list_it_dst = strings_.begin();
+  auto list_it_src = other.strings_.begin();
+  for (auto a = other.args_.begin(); a != other.args_.end(); ++a) {
+    grpc_arg ap;
+    ap.type = a->type;
+    GPR_ASSERT(list_it_src->c_str() == a->key);
+    ap.key = const_cast<char*>(list_it_dst->c_str());
+    ++list_it_src;
+    ++list_it_dst;
+    switch (a->type) {
+      case GRPC_ARG_INTEGER:
+        ap.value.integer = a->value.integer;
+        break;
+      case GRPC_ARG_STRING:
+        GPR_ASSERT(list_it_src->c_str() == a->value.string);
+        ap.value.string = const_cast<char*>(list_it_dst->c_str());
+        ++list_it_src;
+        ++list_it_dst;
+        break;
+      case GRPC_ARG_POINTER:
+        ap.value.pointer = a->value.pointer;
+        ap.value.pointer.p = a->value.pointer.copy
+                                 ? a->value.pointer.copy(ap.value.pointer.p)
+                                 : ap.value.pointer.p;
+        break;
+    }
+    args_.push_back(ap);
+  }
+}
+
+void ChannelArguments::Swap(ChannelArguments& other) {
+  args_.swap(other.args_);
+  strings_.swap(other.strings_);
+}
+
+void ChannelArguments::SetCompressionAlgorithm(
+    grpc_compression_algorithm algorithm) {
+  SetInt(GRPC_COMPRESSION_ALGORITHM_ARG, algorithm);
+}
+
+void ChannelArguments::SetInt(const grpc::string& key, int value) {
+  grpc_arg arg;
+  arg.type = GRPC_ARG_INTEGER;
+  strings_.push_back(key);
+  arg.key = const_cast<char*>(strings_.back().c_str());
+  arg.value.integer = value;
+
+  args_.push_back(arg);
+}
+
+void ChannelArguments::SetPointer(const grpc::string& key, void* value) {
+  grpc_arg arg;
+  arg.type = GRPC_ARG_POINTER;
+  strings_.push_back(key);
+  arg.key = const_cast<char*>(strings_.back().c_str());
+  arg.value.pointer.p = value;
+  arg.value.pointer.copy = nullptr;
+  arg.value.pointer.destroy = nullptr;
+  args_.push_back(arg);
+}
+
+void ChannelArguments::SetString(const grpc::string& key,
+                                 const grpc::string& value) {
+  grpc_arg arg;
+  arg.type = GRPC_ARG_STRING;
+  strings_.push_back(key);
+  arg.key = const_cast<char*>(strings_.back().c_str());
+  strings_.push_back(value);
+  arg.value.string = const_cast<char*>(strings_.back().c_str());
+
+  args_.push_back(arg);
+}
+
+void ChannelArguments::SetChannelArgs(grpc_channel_args* channel_args) const {
+  channel_args->num_args = args_.size();
+  if (channel_args->num_args > 0) {
+    channel_args->args = const_cast<grpc_arg*>(&args_[0]);
+  }
+}
+
+}  // namespace grpc