Initial checkin of gRPC to third_party/

third_party/grpc/src/core/surface/channel.h

+/*
+ *
+ * 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.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_CORE_SURFACE_CHANNEL_H
+#define GRPC_INTERNAL_CORE_SURFACE_CHANNEL_H
+
+#include "src/core/channel/channel_stack.h"
+#include "src/core/client_config/subchannel_factory.h"
+
+grpc_channel *grpc_channel_create_from_filters(
+    grpc_exec_ctx *exec_ctx, const char *target,
+    const grpc_channel_filter **filters, size_t count,
+    const grpc_channel_args *args, int is_client);
+
+/** Get a (borrowed) pointer to this channels underlying channel stack */
+grpc_channel_stack *grpc_channel_get_channel_stack(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(grpc_channel *channel,
+                                                 int status_code);
+uint32_t grpc_channel_get_max_message_length(grpc_channel *channel);
+
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+void grpc_channel_internal_ref(grpc_channel *channel, const char *reason);
+void grpc_channel_internal_unref(grpc_exec_ctx *exec_ctx, grpc_channel *channel,
+                                 const char *reason);
+#define GRPC_CHANNEL_INTERNAL_REF(channel, reason) \
+  grpc_channel_internal_ref(channel, reason)
+#define GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, reason) \
+  grpc_channel_internal_unref(exec_ctx, channel, reason)
+#else
+void grpc_channel_internal_ref(grpc_channel *channel);
+void grpc_channel_internal_unref(grpc_exec_ctx *exec_ctx,
+                                 grpc_channel *channel);
+#define GRPC_CHANNEL_INTERNAL_REF(channel, reason) \
+  grpc_channel_internal_ref(channel)
+#define GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, reason) \
+  grpc_channel_internal_unref(exec_ctx, channel)
+#endif
+
+#endif /* GRPC_INTERNAL_CORE_SURFACE_CHANNEL_H */