diff options
Diffstat (limited to 'Source/cmPipeConnection.cxx')
-rw-r--r-- | Source/cmPipeConnection.cxx | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Source/cmPipeConnection.cxx b/Source/cmPipeConnection.cxx new file mode 100644 index 0000000..cc82438 --- /dev/null +++ b/Source/cmPipeConnection.cxx @@ -0,0 +1,80 @@ +/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying + file Copyright.txt or https://cmake.org/licensing for details. */ +#include "cmPipeConnection.h" + +#include "cmConfigure.h" +#include "cmServer.h" + +cmPipeConnection::cmPipeConnection(const std::string& name, + cmConnectionBufferStrategy* bufferStrategy) + : cmEventBasedConnection(bufferStrategy) + , PipeName(name) +{ +} + +void cmPipeConnection::Connect(uv_stream_t* server) +{ + if (this->ClientPipe) { + // Accept and close all pipes but the first: + uv_pipe_t* rejectPipe = new uv_pipe_t(); + + uv_pipe_init(this->Server->GetLoop(), rejectPipe, 0); + uv_accept(server, reinterpret_cast<uv_stream_t*>(rejectPipe)); + uv_close(reinterpret_cast<uv_handle_t*>(rejectPipe), &on_close_delete); + return; + } + + this->ClientPipe = new uv_pipe_t(); + uv_pipe_init(this->Server->GetLoop(), this->ClientPipe, 0); + this->ClientPipe->data = static_cast<cmEventBasedConnection*>(this); + auto client = reinterpret_cast<uv_stream_t*>(this->ClientPipe); + if (uv_accept(server, client) != 0) { + uv_close(reinterpret_cast<uv_handle_t*>(client), &on_close_delete); + this->ClientPipe = CM_NULLPTR; + return; + } + this->ReadStream = client; + this->WriteStream = client; + + uv_read_start(this->ReadStream, on_alloc_buffer, on_read); + Server->OnConnected(this); +} + +bool cmPipeConnection::OnServeStart(std::string* errorMessage) +{ + this->ServerPipe = new uv_pipe_t(); + uv_pipe_init(this->Server->GetLoop(), this->ServerPipe, 0); + this->ServerPipe->data = static_cast<cmEventBasedConnection*>(this); + + int r; + if ((r = uv_pipe_bind(this->ServerPipe, this->PipeName.c_str())) != 0) { + *errorMessage = std::string("Internal Error with ") + this->PipeName + + ": " + uv_err_name(r); + return false; + } + auto serverStream = reinterpret_cast<uv_stream_t*>(this->ServerPipe); + if ((r = uv_listen(serverStream, 1, on_new_connection)) != 0) { + *errorMessage = std::string("Internal Error listening on ") + + this->PipeName + ": " + uv_err_name(r); + return false; + } + + return cmConnection::OnServeStart(errorMessage); +} + +bool cmPipeConnection::OnConnectionShuttingDown() +{ + if (this->ClientPipe) { + uv_close(reinterpret_cast<uv_handle_t*>(this->ClientPipe), + &on_close_delete); + this->WriteStream->data = nullptr; + } + uv_close(reinterpret_cast<uv_handle_t*>(this->ServerPipe), &on_close_delete); + + this->ClientPipe = nullptr; + this->ServerPipe = nullptr; + this->WriteStream = nullptr; + this->ReadStream = nullptr; + + return cmConnection::OnConnectionShuttingDown(); +} |