1 files changed, 0 insertions, 133 deletions
diff --git a/src/core/lib/channel/channel_trace.h b/src/core/lib/channel/channel_trace.h
deleted file mode 100644
index 1df1e585f2..0000000000
--- a/src/core/lib/channel/channel_trace.h
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- *
- * Copyright 2017 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_CHANNEL_CHANNEL_TRACE_H
-#define GRPC_CORE_LIB_CHANNEL_CHANNEL_TRACE_H
-
-#include <grpc/impl/codegen/port_platform.h>
-
-#include <grpc/grpc.h>
-#include "src/core/lib/gprpp/ref_counted.h"
-#include "src/core/lib/gprpp/ref_counted_ptr.h"
-#include "src/core/lib/iomgr/error.h"
-#include "src/core/lib/json/json.h"
-
-namespace grpc_core {
-
-// Object used to hold live data for a channel. This data is exposed via the
-// channelz service:
-// https://github.com/grpc/proposal/blob/master/A14-channelz.md
-class ChannelTrace : public RefCounted<ChannelTrace> {
- public:
-  ChannelTrace(size_t max_events);
-  ~ChannelTrace();
-
-  // returns the tracer's uuid
-  intptr_t GetUuid() const;
-
-  enum Severity {
-    Unset = 0,  // never to be used
-    Info,       // we start at 1 to avoid using proto default values
-    Warning,
-    Error
-  };
-
-  // Adds a new trace event to the tracing object
-  //
-  // TODO(ncteisen): as this call is used more and more throughout the gRPC
-  // stack, determine if it makes more sense to accept a char* instead of a
-  // slice.
-  void AddTraceEvent(Severity severity, grpc_slice data);
-
-  // Adds a new trace event to the tracing object. This trace event refers to a
-  // an event on a child of the channel. For example, if this channel has
-  // created a new subchannel, then it would record that with a TraceEvent
-  // referencing the new subchannel.
-  //
-  // TODO(ncteisen): Once channelz is implemented, the events should reference
-  // the overall channelz object, not just the ChannelTrace object.
-  // TODO(ncteisen): as this call is used more and more throughout the gRPC
-  // stack, determine if it makes more sense to accept a char* instead of a
-  // slice.
-  void AddTraceEventReferencingChannel(
-      Severity severity, grpc_slice data,
-      RefCountedPtr<ChannelTrace> referenced_tracer);
-  void AddTraceEventReferencingSubchannel(
-      Severity severity, grpc_slice data,
-      RefCountedPtr<ChannelTrace> referenced_tracer);
-
-  // Returns the tracing data rendered as a grpc json string.
-  // The string is owned by the caller and must be freed.
-  char* RenderTrace() const;
-
- private:
-  // Types of objects that can be references by trace events.
-  enum ReferencedType { Channel, Subchannel };
-  // Private class to encapsulate all the data and bookkeeping needed for a
-  // a trace event.
-  class TraceEvent {
-   public:
-    // Constructor for a TraceEvent that references a different channel.
-    // TODO(ncteisen): once channelz is implemented, this should reference the
-    // overall channelz object, not just the ChannelTrace object
-    TraceEvent(Severity severity, grpc_slice data,
-               RefCountedPtr<ChannelTrace> referenced_tracer,
-               ReferencedType type);
-
-    // Constructor for a TraceEvent that does not reverence a different
-    // channel.
-    TraceEvent(Severity severity, grpc_slice data);
-
-    ~TraceEvent();
-
-    // Renders the data inside of this TraceEvent into a json object. This is
-    // used by the ChannelTrace, when it is rendering itself.
-    void RenderTraceEvent(grpc_json* json) const;
-
-    // set and get for the next_ pointer.
-    TraceEvent* next() const { return next_; }
-    void set_next(TraceEvent* next) { next_ = next; }
-
-   private:
-    Severity severity_;
-    grpc_slice data_;
-    gpr_timespec timestamp_;
-    TraceEvent* next_;
-    // the tracer object for the (sub)channel that this trace event refers to.
-    RefCountedPtr<ChannelTrace> referenced_tracer_;
-    // the type that the referenced tracer points to. Unused if this trace
-    // does not point to any channel or subchannel
-    ReferencedType referenced_type_;
-  };  // TraceEvent
-
-  // Internal helper to add and link in a trace event
-  void AddTraceEventHelper(TraceEvent* new_trace_event);
-
-  gpr_mu tracer_mu_;
-  intptr_t channel_uuid_;
-  uint64_t num_events_logged_;
-  size_t list_size_;
-  size_t max_list_size_;
-  TraceEvent* head_trace_;
-  TraceEvent* tail_trace_;
-  gpr_timespec time_created_;
-};
-
-}  // namespace grpc_core
-
-#endif /* GRPC_CORE_LIB_CHANNEL_CHANNEL_TRACE_H */