MinecraftConsoles/Minecraft.Server/Console/ServerCliInput.cpp
kuwacom 965a859b40 add: add implementing interactive command line using linenoise
- Integrated linenoise library for line editing and completion in the server console.
- Updated ServerLogger to handle external writes safely during logging.
- Modified ServerMain to initialize and manage the ServerCli for command input.
- The implementation is separate from everything else, so it doesn't affect anything else.
- The command input section and execution section are separated into threads.
2026-03-07 16:48:58 +09:00

121 lines
2.4 KiB
C++

#include "stdafx.h"
#include "ServerCliInput.h"
#include "ServerCliEngine.h"
#include "..\ServerLogger.h"
#include "..\vendor\linenoise\linenoise.h"
namespace ServerRuntime
{
// C-style completion callback bridge requires a static instance pointer.
ServerCliInput *ServerCliInput::s_instance = NULL;
ServerCliInput::ServerCliInput()
: m_running(false)
, m_engine(NULL)
{
}
ServerCliInput::~ServerCliInput()
{
Stop();
}
void ServerCliInput::Start(ServerCliEngine *engine)
{
if (engine == NULL || m_running.exchange(true))
{
return;
}
m_engine = engine;
s_instance = this;
linenoiseResetStop();
linenoiseHistorySetMaxLen(128);
linenoiseSetCompletionCallback(&ServerCliInput::CompletionThunk);
m_inputThread = std::thread(&ServerCliInput::RunInputLoop, this);
LogInfo("console", "CLI input thread started.");
}
void ServerCliInput::Stop()
{
if (!m_running.exchange(false))
{
return;
}
// Ask linenoise to break out first, then join thread safely.
linenoiseRequestStop();
if (m_inputThread.joinable())
{
m_inputThread.join();
}
linenoiseSetCompletionCallback(NULL);
if (s_instance == this)
{
s_instance = NULL;
}
m_engine = NULL;
LogInfo("console", "CLI input thread stopped.");
}
bool ServerCliInput::IsRunning() const
{
return m_running.load();
}
void ServerCliInput::RunInputLoop()
{
while (m_running)
{
char *line = linenoise("server> ");
if (line == NULL)
{
// NULL is expected on stop request (or Ctrl+C inside linenoise).
if (!m_running)
{
break;
}
Sleep(10);
continue;
}
if (line[0] != 0 && m_engine != NULL)
{
// Keep local history and forward command for main-thread execution.
linenoiseHistoryAdd(line);
m_engine->EnqueueCommandLine(line);
}
linenoiseFree(line);
}
}
void ServerCliInput::CompletionThunk(const char *line, linenoiseCompletions *completions)
{
// Static thunk forwards callback into instance state.
if (s_instance != NULL)
{
s_instance->BuildCompletions(line, completions);
}
}
void ServerCliInput::BuildCompletions(const char *line, linenoiseCompletions *completions)
{
if (line == NULL || completions == NULL || m_engine == NULL)
{
return;
}
std::vector<std::string> suggestions;
m_engine->BuildCompletions(line, &suggestions);
for (size_t i = 0; i < suggestions.size(); ++i)
{
linenoiseAddCompletion(completions, suggestions[i].c_str());
}
}
}