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459 lines
14 KiB
459 lines
14 KiB
#include <cstring>
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#include <iostream>
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#include <string>
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#include <vector>
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#include <cm3p/uv.h>
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#include <stdint.h>
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#include "cmGetPipes.h"
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#include "cmUVHandlePtr.h"
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#include "cmUVStreambuf.h"
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#define TEST_STR_LINE_1 "This string must be exactly 128 characters long so"
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#define TEST_STR_LINE_2 "that we can test CMake's std::streambuf integration"
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#define TEST_STR_LINE_3 "with libuv's uv_stream_t."
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#define TEST_STR TEST_STR_LINE_1 "\n" TEST_STR_LINE_2 "\n" TEST_STR_LINE_3
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static bool writeDataToStreamPipe(uv_loop_t& loop, cm::uv_pipe_ptr& inputPipe,
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char* outputData,
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unsigned int outputDataLength,
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const char* /* unused */)
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{
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int err;
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// Create the pipe
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int pipeHandles[2];
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if (cmGetPipes(pipeHandles) < 0) {
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std::cout << "Could not open pipe" << std::endl;
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return false;
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}
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cm::uv_pipe_ptr outputPipe;
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inputPipe.init(loop, 0);
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outputPipe.init(loop, 0);
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uv_pipe_open(inputPipe, pipeHandles[0]);
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uv_pipe_open(outputPipe, pipeHandles[1]);
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// Write data for reading
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uv_write_t writeReq;
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struct WriteCallbackData
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{
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bool Finished = false;
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int Status;
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} writeData;
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writeReq.data = &writeData;
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uv_buf_t outputBuf;
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outputBuf.base = outputData;
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outputBuf.len = outputDataLength;
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if ((err = uv_write(&writeReq, outputPipe, &outputBuf, 1,
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[](uv_write_t* req, int status) {
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auto data = static_cast<WriteCallbackData*>(req->data);
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data->Finished = true;
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data->Status = status;
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})) < 0) {
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std::cout << "Could not write to pipe: " << uv_strerror(err) << std::endl;
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return false;
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}
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while (!writeData.Finished) {
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uv_run(&loop, UV_RUN_ONCE);
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}
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if (writeData.Status < 0) {
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std::cout << "Status is " << uv_strerror(writeData.Status)
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<< ", should be 0" << std::endl;
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return false;
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}
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return true;
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}
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static bool writeDataToStreamProcess(uv_loop_t& loop,
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cm::uv_pipe_ptr& inputPipe,
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char* outputData,
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unsigned int /* unused */,
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const char* cmakeCommand)
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{
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int err;
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inputPipe.init(loop, 0);
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std::vector<std::string> arguments = { cmakeCommand, "-E", "echo_append",
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outputData };
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std::vector<const char*> processArgs;
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for (auto const& arg : arguments) {
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processArgs.push_back(arg.c_str());
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}
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processArgs.push_back(nullptr);
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std::vector<uv_stdio_container_t> stdio(3);
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stdio[0].flags = UV_IGNORE;
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stdio[0].data.stream = nullptr;
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stdio[1].flags =
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static_cast<uv_stdio_flags>(UV_CREATE_PIPE | UV_WRITABLE_PIPE);
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stdio[1].data.stream = inputPipe;
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stdio[2].flags = UV_IGNORE;
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stdio[2].data.stream = nullptr;
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struct ProcessExitData
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{
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bool Finished = false;
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int64_t ExitStatus;
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int TermSignal;
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} exitData;
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cm::uv_process_ptr process;
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auto options = uv_process_options_t();
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options.file = cmakeCommand;
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options.args = const_cast<char**>(processArgs.data());
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options.flags = UV_PROCESS_WINDOWS_HIDE;
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options.stdio = stdio.data();
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options.stdio_count = static_cast<int>(stdio.size());
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options.exit_cb = [](uv_process_t* handle, int64_t exitStatus,
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int termSignal) {
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auto data = static_cast<ProcessExitData*>(handle->data);
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data->Finished = true;
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data->ExitStatus = exitStatus;
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data->TermSignal = termSignal;
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};
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if ((err = process.spawn(loop, options, &exitData)) < 0) {
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std::cout << "Could not spawn process: " << uv_strerror(err) << std::endl;
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return false;
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}
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while (!exitData.Finished) {
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uv_run(&loop, UV_RUN_ONCE);
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}
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if (exitData.ExitStatus != 0) {
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std::cout << "Process exit status is " << exitData.ExitStatus
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<< ", should be 0" << std::endl;
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return false;
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}
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if (exitData.TermSignal != 0) {
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std::cout << "Process term signal is " << exitData.TermSignal
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<< ", should be 0" << std::endl;
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return false;
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}
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return true;
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}
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static bool testUVStreambufRead(
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bool (*cb)(uv_loop_t& loop, cm::uv_pipe_ptr& inputPipe, char* outputData,
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unsigned int outputDataLength, const char* cmakeCommand),
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const char* cmakeCommand)
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{
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char outputData[] = TEST_STR;
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bool success = false;
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cm::uv_loop_ptr loop;
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loop.init();
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cm::uv_pipe_ptr inputPipe;
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std::vector<char> inputData(128);
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std::streamsize readLen;
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std::string line;
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cm::uv_timer_ptr timer;
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// Create the streambuf
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cmUVStreambuf inputBuf(64);
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std::istream inputStream(&inputBuf);
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if (inputBuf.is_open()) {
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std::cout << "is_open() is true, should be false" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != -1) {
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std::cout << "in_avail() returned " << readLen << ", should be -1"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 0) {
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std::cout << "sgetn() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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// Perform first read test - read all the data
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if (!cb(*loop, inputPipe, outputData, 128, cmakeCommand)) {
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goto end;
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}
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inputBuf.open(inputPipe);
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if (!inputBuf.is_open()) {
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std::cout << "is_open() is false, should be true" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != 0) {
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std::cout << "in_avail() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 128) {
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std::cout << "sgetn() returned " << readLen << ", should be 128"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != 0) {
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std::cout << "in_avail() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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if (std::memcmp(inputData.data(), outputData, 128)) {
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std::cout << "Read data does not match write data" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 0) {
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std::cout << "sgetn() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != -1) {
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std::cout << "in_avail() returned " << readLen << ", should be -1"
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<< std::endl;
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goto end;
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}
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inputData.assign(128, char{});
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inputBuf.close();
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if (inputBuf.is_open()) {
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std::cout << "is_open() is true, should be false" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 0) {
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std::cout << "sgetn() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != -1) {
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std::cout << "in_avail() returned " << readLen << ", should be -1"
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<< std::endl;
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goto end;
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}
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// Perform second read test - read some data and then close
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if (!cb(*loop, inputPipe, outputData, 128, cmakeCommand)) {
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goto end;
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}
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inputBuf.open(inputPipe);
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if (!inputBuf.is_open()) {
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std::cout << "is_open() is false, should be true" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != 0) {
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std::cout << "in_avail() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 64)) != 64) {
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std::cout << "sgetn() returned " << readLen << ", should be 64"
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<< std::endl;
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goto end;
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}
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if (std::memcmp(inputData.data(), outputData, 64)) {
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std::cout << "Read data does not match write data" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != 8) {
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std::cout << "in_avail() returned " << readLen << ", should be 8"
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<< std::endl;
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goto end;
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}
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inputData.assign(128, char{});
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inputBuf.close();
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if (inputBuf.is_open()) {
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std::cout << "is_open() is true, should be false" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != -1) {
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std::cout << "in_avail() returned " << readLen << ", should be -1"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 0) {
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std::cout << "sgetn() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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// Perform third read test - read line by line
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if (!cb(*loop, inputPipe, outputData, 128, cmakeCommand)) {
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goto end;
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}
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inputBuf.open(inputPipe);
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if (!inputBuf.is_open()) {
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std::cout << "is_open() is false, should be true" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != 0) {
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std::cout << "in_avail() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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if (!std::getline(inputStream, line)) {
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std::cout << "getline returned false, should be true" << std::endl;
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goto end;
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}
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if (line != TEST_STR_LINE_1) {
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std::cout << "Line 1 is \"" << line
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<< "\", should be \"" TEST_STR_LINE_1 "\"" << std::endl;
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goto end;
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}
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if (!std::getline(inputStream, line)) {
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std::cout << "getline returned false, should be true" << std::endl;
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goto end;
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}
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if (line != TEST_STR_LINE_2) {
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std::cout << "Line 2 is \"" << line
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<< "\", should be \"" TEST_STR_LINE_2 "\"" << std::endl;
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goto end;
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}
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if (!std::getline(inputStream, line)) {
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std::cout << "getline returned false, should be true" << std::endl;
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goto end;
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}
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if (line != TEST_STR_LINE_3) {
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std::cout << "Line 3 is \"" << line
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<< "\", should be \"" TEST_STR_LINE_3 "\"" << std::endl;
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goto end;
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}
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if (std::getline(inputStream, line)) {
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std::cout << "getline returned true, should be false" << std::endl;
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goto end;
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}
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inputBuf.close();
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if (inputBuf.is_open()) {
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std::cout << "is_open() is true, should be false" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != -1) {
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std::cout << "in_avail() returned " << readLen << ", should be -1"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 0) {
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std::cout << "sgetn() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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// Perform fourth read test - run the event loop outside of underflow()
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if (!cb(*loop, inputPipe, outputData, 128, cmakeCommand)) {
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goto end;
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}
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inputBuf.open(inputPipe);
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if (!inputBuf.is_open()) {
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std::cout << "is_open() is false, should be true" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != 0) {
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std::cout << "in_avail() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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uv_run(loop, UV_RUN_DEFAULT);
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if ((readLen = inputBuf.in_avail()) != 72) {
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std::cout << "in_avail() returned " << readLen << ", should be 72"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 128) {
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std::cout << "sgetn() returned " << readLen << ", should be 128"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != 0) {
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std::cout << "in_avail() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 0) {
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std::cout << "sgetn() returned " << readLen << ", should be 128"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != -1) {
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std::cout << "in_avail() returned " << readLen << ", should be -1"
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<< std::endl;
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goto end;
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}
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inputBuf.close();
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if (inputBuf.is_open()) {
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std::cout << "is_open() is true, should be false" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != -1) {
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std::cout << "in_avail() returned " << readLen << ", should be -1"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 0) {
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std::cout << "sgetn() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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// Perform fifth read test - close the streambuf in the middle of a read
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timer.init(*loop, &inputBuf);
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if (!cb(*loop, inputPipe, outputData, 128, cmakeCommand)) {
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goto end;
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}
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inputBuf.open(inputPipe);
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if (!inputBuf.is_open()) {
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std::cout << "is_open() is false, should be true" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != 0) {
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std::cout << "in_avail() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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uv_timer_start(
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timer,
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[](uv_timer_t* handle) {
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auto buf = static_cast<cmUVStreambuf*>(handle->data);
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buf->close();
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},
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0, 0);
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 0) {
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std::cout << "sgetn() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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if (inputBuf.is_open()) {
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std::cout << "is_open() is true, should be false" << std::endl;
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goto end;
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}
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if ((readLen = inputBuf.in_avail()) != -1) {
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std::cout << "in_avail() returned " << readLen << ", should be -1"
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<< std::endl;
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goto end;
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}
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if ((readLen = inputBuf.sgetn(inputData.data(), 128)) != 0) {
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std::cout << "sgetn() returned " << readLen << ", should be 0"
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<< std::endl;
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goto end;
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}
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success = true;
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end:
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return success;
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}
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int testUVStreambuf(int argc, char** const argv)
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{
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if (argc < 2) {
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std::cout << "Invalid arguments.\n";
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return -1;
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}
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if (!testUVStreambufRead(writeDataToStreamPipe, argv[1])) {
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std::cout << "While executing testUVStreambufRead() with pipe.\n";
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return -1;
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}
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if (!testUVStreambufRead(writeDataToStreamProcess, argv[1])) {
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std::cout << "While executing testUVStreambufRead() with process.\n";
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return -1;
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}
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return 0;
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}
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