Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc / deps / grpc / src / core / lib / surface / channel.h

diff --git a/legacy-libs/grpc/deps/grpc/src/core/lib/surface/channel.h b/legacy-libs/grpc/deps/grpc/src/core/lib/surface/channel.h
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+++ b/legacy-libs/grpc/deps/grpc/src/core/lib/surface/channel.h
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+/*
+ *
+ * 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.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_SURFACE_CHANNEL_H
+#define GRPC_CORE_LIB_SURFACE_CHANNEL_H
+
+#include <grpc/support/port_platform.h>
+
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack_builder.h"
+#include "src/core/lib/channel/channelz.h"
+#include "src/core/lib/surface/channel_stack_type.h"
+
+grpc_channel* grpc_channel_create(const char* target,
+                                  const grpc_channel_args* args,
+                                  grpc_channel_stack_type channel_stack_type,
+                                  grpc_transport* optional_transport,
+                                  grpc_resource_user* resource_user = nullptr);
+
+grpc_channel* grpc_channel_create_with_builder(
+    grpc_channel_stack_builder* builder,
+    grpc_channel_stack_type channel_stack_type);
+
+/** Create a call given a grpc_channel, in order to call \a method.
+    Progress is tied to activity on \a pollset_set. The returned call object is
+    meant to be used with \a grpc_call_start_batch_and_execute, which relies on
+    callbacks to signal completions. \a method and \a host need
+    only live through the invocation of this function. If \a parent_call is
+    non-NULL, it must be a server-side call. It will be used to propagate
+    properties from the server call to this new client call, depending on the
+    value of \a propagation_mask (see propagation_bits.h for possible values) */
+grpc_call* grpc_channel_create_pollset_set_call(
+    grpc_channel* channel, grpc_call* parent_call, uint32_t propagation_mask,
+    grpc_pollset_set* pollset_set, const grpc_slice& method,
+    const grpc_slice* host, grpc_millis deadline, void* reserved);
+
+/** Get a (borrowed) pointer to this channels underlying channel stack */
+grpc_channel_stack* grpc_channel_get_channel_stack(grpc_channel* channel);
+
+grpc_core::channelz::ChannelNode* grpc_channel_get_channelz_node(
+    grpc_channel* channel);
+
+/** Get a grpc_mdelem of grpc-status: X where X is the numeric value of
+    status_code.
+
+    The returned elem is owned by the caller. */
+grpc_mdelem grpc_channel_get_reffed_status_elem_slowpath(grpc_channel* channel,
+                                                         int status_code);
+inline grpc_mdelem grpc_channel_get_reffed_status_elem(grpc_channel* channel,
+                                                       int status_code) {
+  switch (status_code) {
+    case 0:
+      return GRPC_MDELEM_GRPC_STATUS_0;
+    case 1:
+      return GRPC_MDELEM_GRPC_STATUS_1;
+    case 2:
+      return GRPC_MDELEM_GRPC_STATUS_2;
+  }
+  return grpc_channel_get_reffed_status_elem_slowpath(channel, status_code);
+}
+
+size_t grpc_channel_get_call_size_estimate(grpc_channel* channel);
+void grpc_channel_update_call_size_estimate(grpc_channel* channel, size_t size);
+
+struct registered_call;
+struct grpc_channel {
+  int is_client;
+  grpc_compression_options compression_options;
+
+  gpr_atm call_size_estimate;
+  grpc_resource_user* resource_user;
+
+  gpr_mu registered_call_mu;
+  registered_call* registered_calls;
+
+  grpc_core::RefCountedPtr<grpc_core::channelz::ChannelNode> channelz_node;
+
+  char* target;
+};
+#define CHANNEL_STACK_FROM_CHANNEL(c) ((grpc_channel_stack*)((c) + 1))
+
+inline grpc_compression_options grpc_channel_compression_options(
+    const grpc_channel* channel) {
+  return channel->compression_options;
+}
+
+inline grpc_channel_stack* grpc_channel_get_channel_stack(
+    grpc_channel* channel) {
+  return CHANNEL_STACK_FROM_CHANNEL(channel);
+}
+
+inline grpc_core::channelz::ChannelNode* grpc_channel_get_channelz_node(
+    grpc_channel* channel) {
+  return channel->channelz_node.get();
+}
+
+#ifndef NDEBUG
+inline void grpc_channel_internal_ref(grpc_channel* channel,
+                                      const char* reason) {
+  GRPC_CHANNEL_STACK_REF(CHANNEL_STACK_FROM_CHANNEL(channel), reason);
+}
+inline void grpc_channel_internal_unref(grpc_channel* channel,
+                                        const char* reason) {
+  GRPC_CHANNEL_STACK_UNREF(CHANNEL_STACK_FROM_CHANNEL(channel), reason);
+}
+#define GRPC_CHANNEL_INTERNAL_REF(channel, reason) \
+  grpc_channel_internal_ref(channel, reason)
+#define GRPC_CHANNEL_INTERNAL_UNREF(channel, reason) \
+  grpc_channel_internal_unref(channel, reason)
+#else
+inline void grpc_channel_internal_ref(grpc_channel* channel) {
+  GRPC_CHANNEL_STACK_REF(CHANNEL_STACK_FROM_CHANNEL(channel), "unused");
+}
+inline void grpc_channel_internal_unref(grpc_channel* channel) {
+  GRPC_CHANNEL_STACK_UNREF(CHANNEL_STACK_FROM_CHANNEL(channel), "unused");
+}
+#define GRPC_CHANNEL_INTERNAL_REF(channel, reason) \
+  grpc_channel_internal_ref(channel)
+#define GRPC_CHANNEL_INTERNAL_UNREF(channel, reason) \
+  grpc_channel_internal_unref(channel)
+#endif
+
+/** Return the channel's compression options. */
+grpc_compression_options grpc_channel_compression_options(
+    const grpc_channel* channel);
+
+#endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_H */