| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "garnet/bin/zxdb/client/remote_api_impl.h" |
| |
| #include "garnet/bin/zxdb/client/session.h" |
| #include "garnet/lib/debug_ipc/client_protocol.h" |
| #include "garnet/lib/debug_ipc/helper/message_loop.h" |
| #include "garnet/lib/debug_ipc/helper/stream_buffer.h" |
| #include "garnet/lib/debug_ipc/message_reader.h" |
| #include "garnet/lib/debug_ipc/message_writer.h" |
| #include "garnet/public/lib/fxl/logging.h" |
| #include "garnet/public/lib/fxl/strings/string_printf.h" |
| |
| namespace zxdb { |
| |
| RemoteAPIImpl::RemoteAPIImpl(Session* session) : session_(session) {} |
| RemoteAPIImpl::~RemoteAPIImpl() = default; |
| |
| void RemoteAPIImpl::Hello( |
| const debug_ipc::HelloRequest& request, |
| std::function<void(const Err&, debug_ipc::HelloReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::Launch( |
| const debug_ipc::LaunchRequest& request, |
| std::function<void(const Err&, debug_ipc::LaunchReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::Kill( |
| const debug_ipc::KillRequest& request, |
| std::function<void(const Err&, debug_ipc::KillReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::Attach( |
| const debug_ipc::AttachRequest& request, |
| std::function<void(const Err&, debug_ipc::AttachReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::Detach( |
| const debug_ipc::DetachRequest& request, |
| std::function<void(const Err&, debug_ipc::DetachReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::Modules( |
| const debug_ipc::ModulesRequest& request, |
| std::function<void(const Err&, debug_ipc::ModulesReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::SymbolTables( |
| const debug_ipc::SymbolTablesRequest& request, |
| std::function<void(const Err&, debug_ipc::SymbolTablesReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::Pause( |
| const debug_ipc::PauseRequest& request, |
| std::function<void(const Err&, debug_ipc::PauseReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::QuitAgent( |
| const debug_ipc::QuitAgentRequest& request, |
| std::function<void(const Err&, debug_ipc::QuitAgentReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::Resume( |
| const debug_ipc::ResumeRequest& request, |
| std::function<void(const Err&, debug_ipc::ResumeReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::ProcessTree( |
| const debug_ipc::ProcessTreeRequest& request, |
| std::function<void(const Err&, debug_ipc::ProcessTreeReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::Threads( |
| const debug_ipc::ThreadsRequest& request, |
| std::function<void(const Err&, debug_ipc::ThreadsReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::ReadMemory( |
| const debug_ipc::ReadMemoryRequest& request, |
| std::function<void(const Err&, debug_ipc::ReadMemoryReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::ReadRegisters( |
| const debug_ipc::ReadRegistersRequest& request, |
| std::function<void(const Err&, debug_ipc::ReadRegistersReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::WriteRegisters( |
| const debug_ipc::WriteRegistersRequest& request, |
| std::function<void(const Err&, debug_ipc::WriteRegistersReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::AddOrChangeBreakpoint( |
| const debug_ipc::AddOrChangeBreakpointRequest& request, |
| std::function<void(const Err&, debug_ipc::AddOrChangeBreakpointReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::RemoveBreakpoint( |
| const debug_ipc::RemoveBreakpointRequest& request, |
| std::function<void(const Err&, debug_ipc::RemoveBreakpointReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::ThreadStatus( |
| const debug_ipc::ThreadStatusRequest& request, |
| std::function<void(const Err&, debug_ipc::ThreadStatusReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::AddressSpace( |
| const debug_ipc::AddressSpaceRequest& request, |
| std::function<void(const Err&, debug_ipc::AddressSpaceReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::JobFilter( |
| const debug_ipc::JobFilterRequest& request, |
| std::function<void(const Err&, debug_ipc::JobFilterReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| void RemoteAPIImpl::WriteMemory( |
| const debug_ipc::WriteMemoryRequest& request, |
| std::function<void(const Err&, debug_ipc::WriteMemoryReply)> cb) { |
| Send(request, std::move(cb)); |
| } |
| |
| template <typename SendMsgType, typename RecvMsgType> |
| void RemoteAPIImpl::Send( |
| const SendMsgType& send_msg, |
| std::function<void(const Err&, RecvMsgType)> callback) { |
| uint32_t transaction_id = session_->next_transaction_id_; |
| session_->next_transaction_id_++; |
| |
| if (!session_->stream_) { |
| // No connection, asynchronously issue the error. |
| if (callback) { |
| debug_ipc::MessageLoop::Current()->PostTask(FROM_HERE, [callback]() { |
| callback( |
| Err(ErrType::kNoConnection, "No connection to debugged system."), |
| RecvMsgType()); |
| }); |
| } |
| return; |
| } |
| |
| debug_ipc::MessageWriter writer(sizeof(SendMsgType)); |
| debug_ipc::WriteRequest(send_msg, transaction_id, &writer); |
| |
| std::vector<char> serialized = writer.MessageComplete(); |
| session_->stream_->Write(std::move(serialized)); |
| |
| // This is the reply callback that unpacks the data in a vector, converts it |
| // to the requested RecvMsgType struct, and issues the callback. |
| Session::Callback dispatch_callback = |
| [callback = std::move(callback)](const Err& err, std::vector<char> data) { |
| RecvMsgType reply; |
| if (err.has_error()) { |
| // Forward the error and ignore all data. |
| if (callback) |
| callback(err, std::move(reply)); |
| return; |
| } |
| |
| debug_ipc::MessageReader reader(std::move(data)); |
| |
| uint32_t transaction_id = 0; |
| Err deserialization_err; |
| if (!debug_ipc::ReadReply(&reader, &reply, &transaction_id)) { |
| reply = RecvMsgType(); // Could be in a half-read state. |
| deserialization_err = |
| Err(ErrType::kCorruptMessage, |
| fxl::StringPrintf("Corrupt reply message for transaction %u.", |
| transaction_id)); |
| } |
| |
| if (callback) |
| callback(deserialization_err, std::move(reply)); |
| }; |
| |
| session_->pending_.emplace( |
| std::piecewise_construct, std::forward_as_tuple(transaction_id), |
| std::forward_as_tuple(std::move(dispatch_callback))); |
| } |
| |
| } // namespace zxdb |