| /* |
| * |
| * 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/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_, NULL, GRPC_PROPAGATE_DEFAULTS, cq->cq(), |
| method.channel_tag(), context->raw_deadline()) |
| : grpc_channel_create_call( |
| c_channel_, NULL, GRPC_PROPAGATE_DEFAULTS, 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->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 |