From 1e5c432e1029601a664454388ae366ef69618d62 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 25 Jun 2018 12:33:13 -0700
Subject: MM-10702 Moving plugins to use hashicorp go-plugin. (#8978)

* Moving plugins to use hashicorp go-plugin.

* Tweaks from feedback.
---
 vendor/google.golang.org/grpc/call.go | 93 +++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 vendor/google.golang.org/grpc/call.go

(limited to 'vendor/google.golang.org/grpc/call.go')

diff --git a/vendor/google.golang.org/grpc/call.go b/vendor/google.golang.org/grpc/call.go
new file mode 100644
index 000000000..f73b7d552
--- /dev/null
+++ b/vendor/google.golang.org/grpc/call.go
@@ -0,0 +1,93 @@
+/*
+ *
+ * Copyright 2014 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.
+ *
+ */
+
+package grpc
+
+import (
+	"golang.org/x/net/context"
+)
+
+// Invoke sends the RPC request on the wire and returns after response is
+// received.  This is typically called by generated code.
+//
+// All errors returned by Invoke are compatible with the status package.
+func (cc *ClientConn) Invoke(ctx context.Context, method string, args, reply interface{}, opts ...CallOption) error {
+	// allow interceptor to see all applicable call options, which means those
+	// configured as defaults from dial option as well as per-call options
+	opts = combine(cc.dopts.callOptions, opts)
+
+	if cc.dopts.unaryInt != nil {
+		return cc.dopts.unaryInt(ctx, method, args, reply, cc, invoke, opts...)
+	}
+	return invoke(ctx, method, args, reply, cc, opts...)
+}
+
+func combine(o1 []CallOption, o2 []CallOption) []CallOption {
+	// we don't use append because o1 could have extra capacity whose
+	// elements would be overwritten, which could cause inadvertent
+	// sharing (and race connditions) between concurrent calls
+	if len(o1) == 0 {
+		return o2
+	} else if len(o2) == 0 {
+		return o1
+	}
+	ret := make([]CallOption, len(o1)+len(o2))
+	copy(ret, o1)
+	copy(ret[len(o1):], o2)
+	return ret
+}
+
+// Invoke sends the RPC request on the wire and returns after response is
+// received.  This is typically called by generated code.
+//
+// DEPRECATED: Use ClientConn.Invoke instead.
+func Invoke(ctx context.Context, method string, args, reply interface{}, cc *ClientConn, opts ...CallOption) error {
+	return cc.Invoke(ctx, method, args, reply, opts...)
+}
+
+var unaryStreamDesc = &StreamDesc{ServerStreams: false, ClientStreams: false}
+
+func invoke(ctx context.Context, method string, req, reply interface{}, cc *ClientConn, opts ...CallOption) error {
+	// TODO: implement retries in clientStream and make this simply
+	// newClientStream, SendMsg, RecvMsg.
+	firstAttempt := true
+	for {
+		csInt, err := newClientStream(ctx, unaryStreamDesc, cc, method, opts...)
+		if err != nil {
+			return err
+		}
+		cs := csInt.(*clientStream)
+		if err := cs.SendMsg(req); err != nil {
+			if !cs.c.failFast && cs.attempt.s.Unprocessed() && firstAttempt {
+				// TODO: Add a field to header for grpc-transparent-retry-attempts
+				firstAttempt = false
+				continue
+			}
+			return err
+		}
+		if err := cs.RecvMsg(reply); err != nil {
+			if !cs.c.failFast && cs.attempt.s.Unprocessed() && firstAttempt {
+				// TODO: Add a field to header for grpc-transparent-retry-attempts
+				firstAttempt = false
+				continue
+			}
+			return err
+		}
+		return nil
+	}
+}
-- 
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