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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 "src/cpp/client/channel.h"
#include <memory>
#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include <grpc/support/slice.h>
#include "src/core/census/grpc_context.h"
#include "src/core/profiling/timers.h"
#include <grpc++/channel_arguments.h>
#include <grpc++/client_context.h>
#include <grpc++/completion_queue.h>
#include <grpc++/config.h>
#include <grpc++/credentials.h>
#include <grpc++/impl/call.h>
#include <grpc++/impl/rpc_method.h>
#include <grpc++/status.h>
namespace grpc {
Channel::Channel(const grpc::string& target, grpc_channel* channel)
: target_(target), c_channel_(channel) {}
Channel::~Channel() { grpc_channel_destroy(c_channel_); }
Call Channel::CreateCall(const RpcMethod& method, ClientContext* context,
CompletionQueue* cq) {
auto c_call =
method.channel_tag() && context->authority().empty()
? grpc_channel_create_registered_call(c_channel_, cq->cq(),
method.channel_tag(),
context->raw_deadline())
: grpc_channel_create_call(c_channel_, cq->cq(), method.name(),
context->authority().empty()
? target_.c_str()
: context->authority().c_str(),
context->raw_deadline());
grpc_census_call_set_context(c_call, context->get_census_context());
GRPC_TIMER_MARK(GRPC_PTAG_CPP_CALL_CREATED, c_call);
context->set_call(c_call, shared_from_this());
return Call(c_call, this, cq);
}
void Channel::PerformOpsOnCall(CallOpSetInterface* ops, Call* call) {
static const size_t MAX_OPS = 8;
size_t nops = 0;
grpc_op cops[MAX_OPS];
GRPC_TIMER_BEGIN(GRPC_PTAG_CPP_PERFORM_OPS, call->call());
ops->FillOps(cops, &nops);
GPR_ASSERT(GRPC_CALL_OK ==
grpc_call_start_batch(call->call(), cops, nops, ops));
GRPC_TIMER_END(GRPC_PTAG_CPP_PERFORM_OPS, call->call());
}
void* Channel::RegisterMethod(const char* method) {
return grpc_channel_register_call(c_channel_, method, target_.c_str());
}
} // namespace grpc
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