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/*
*
* 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.
*
*/
#include <grpc++/client_context.h>
#include <grpc/grpc.h>
#include <grpc++/time.h>
namespace grpc {
ClientContext::ClientContext()
: initial_metadata_received_(false),
call_(nullptr),
cq_(nullptr),
deadline_(gpr_inf_future) {}
ClientContext::~ClientContext() {
if (call_) {
grpc_call_destroy(call_);
}
if (cq_) {
grpc_completion_queue_shutdown(cq_);
// Drain cq_.
grpc_event* ev;
grpc_completion_type t;
do {
ev = grpc_completion_queue_next(cq_, gpr_inf_future);
t = ev->type;
grpc_event_finish(ev);
} while (t != GRPC_QUEUE_SHUTDOWN);
grpc_completion_queue_destroy(cq_);
}
}
void ClientContext::AddMetadata(const grpc::string& meta_key,
const grpc::string& meta_value) {
send_initial_metadata_.insert(std::make_pair(meta_key, meta_value));
}
void ClientContext::TryCancel() {
if (call_) {
grpc_call_cancel(call_);
}
}
} // namespace grpc
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