Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc / deps / grpc / src / core / ext / transport / chttp2 / client / insecure / channel_create.cc

diff --git a/legacy-libs/grpc/deps/grpc/src/core/ext/transport/chttp2/client/insecure/channel_create.cc b/legacy-libs/grpc/deps/grpc/src/core/ext/transport/chttp2/client/insecure/channel_create.cc
new file mode 100644 (file)
index 0000000..cbd522d
--- /dev/null
+++ b/legacy-libs/grpc/deps/grpc/src/core/ext/transport/chttp2/client/insecure/channel_create.cc
@@ -0,0 +1,111 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed 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 <grpc/support/port_platform.h>
+
+#include <grpc/grpc.h>
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/ext/filters/client_channel/client_channel.h"
+#include "src/core/ext/filters/client_channel/resolver_registry.h"
+#include "src/core/ext/transport/chttp2/client/authority.h"
+#include "src/core/ext/transport/chttp2/client/chttp2_connector.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/channel.h"
+
+namespace grpc_core {
+
+class Chttp2InsecureClientChannelFactory : public ClientChannelFactory {
+ public:
+  Subchannel* CreateSubchannel(const grpc_channel_args* args) override {
+    grpc_channel_args* new_args =
+        grpc_default_authority_add_if_not_present(args);
+    grpc_connector* connector = grpc_chttp2_connector_create();
+    Subchannel* s = Subchannel::Create(connector, new_args);
+    grpc_connector_unref(connector);
+    grpc_channel_args_destroy(new_args);
+    return s;
+  }
+};
+
+namespace {
+
+grpc_channel* CreateChannel(const char* target, const grpc_channel_args* args) {
+  if (target == nullptr) {
+    gpr_log(GPR_ERROR, "cannot create channel with NULL target name");
+    return nullptr;
+  }
+  // Add channel arg containing the server URI.
+  UniquePtr<char> canonical_target =
+      ResolverRegistry::AddDefaultPrefixIfNeeded(target);
+  grpc_arg arg = grpc_channel_arg_string_create(
+      const_cast<char*>(GRPC_ARG_SERVER_URI), canonical_target.get());
+  const char* to_remove[] = {GRPC_ARG_SERVER_URI};
+  grpc_channel_args* new_args =
+      grpc_channel_args_copy_and_add_and_remove(args, to_remove, 1, &arg, 1);
+  grpc_channel* channel =
+      grpc_channel_create(target, new_args, GRPC_CLIENT_CHANNEL, nullptr);
+  grpc_channel_args_destroy(new_args);
+  return channel;
+}
+
+}  // namespace
+
+}  // namespace grpc_core
+
+namespace {
+
+grpc_core::Chttp2InsecureClientChannelFactory* g_factory;
+gpr_once g_factory_once = GPR_ONCE_INIT;
+
+void FactoryInit() {
+  g_factory = grpc_core::New<grpc_core::Chttp2InsecureClientChannelFactory>();
+}
+
+}  // namespace
+
+/* Create a client channel:
+   Asynchronously: - resolve target
+                   - connect to it (trying alternatives as presented)
+                   - perform handshakes */
+grpc_channel* grpc_insecure_channel_create(const char* target,
+                                           const grpc_channel_args* args,
+                                           void* reserved) {
+  grpc_core::ExecCtx exec_ctx;
+  GRPC_API_TRACE(
+      "grpc_insecure_channel_create(target=%s, args=%p, reserved=%p)", 3,
+      (target, args, reserved));
+  GPR_ASSERT(reserved == nullptr);
+  // Add channel arg containing the client channel factory.
+  gpr_once_init(&g_factory_once, FactoryInit);
+  grpc_arg arg = grpc_core::ClientChannelFactory::CreateChannelArg(g_factory);
+  grpc_channel_args* new_args = grpc_channel_args_copy_and_add(args, &arg, 1);
+  // Create channel.
+  grpc_channel* channel = grpc_core::CreateChannel(target, new_args);
+  // Clean up.
+  grpc_channel_args_destroy(new_args);
+  return channel != nullptr ? channel
+                            : grpc_lame_client_channel_create(
+                                  target, GRPC_STATUS_INTERNAL,
+                                  "Failed to create client channel");
+}