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p2wool/src/console_commands.cpp

323 lines
8.4 KiB

/*
* This file is part of the Monero P2Pool <https://github.com/SChernykh/p2pool>
* Copyright (c) 2021-2023 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2021 hyc <https://github.com/hyc>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
#include "console_commands.h"
#include "p2pool.h"
#include "stratum_server.h"
#include "p2p_server.h"
#ifdef WITH_RANDOMX
#include "miner.h"
#endif
#include "side_chain.h"
#include <iostream>
static constexpr char log_category_prefix[] = "ConsoleCommands ";
namespace p2pool {
ConsoleCommands::ConsoleCommands(p2pool* pool)
: m_pool(pool)
, m_loop{}
, m_shutdownAsync{}
, m_tty{}
, m_loopThread{}
, m_readBuf{}
, m_readBufInUse(false)
{
if (uv_guess_handle(0) != UV_TTY) {
LOGERR(1, "tty is not available");
throw std::exception();
}
int err = uv_loop_init(&m_loop);
if (err) {
LOGERR(1, "failed to create event loop, error " << uv_err_name(err));
throw std::exception();
}
err = uv_async_init(&m_loop, &m_shutdownAsync, on_shutdown);
if (err) {
LOGERR(1, "uv_async_init failed, error " << uv_err_name(err));
throw std::exception();
}
m_shutdownAsync.data = this;
err = uv_tty_init(&m_loop, &m_tty, 0, 1);
if (err) {
LOGERR(1, "uv_tty_init failed, error " << uv_err_name(err));
throw std::exception();
}
m_tty.data = this;
err = uv_read_start(reinterpret_cast<uv_stream_t*>(&m_tty), allocCallback, stdinReadCallback);
if (err) {
LOGERR(1, "uv_read_start failed, error " << uv_err_name(err));
throw std::exception();
}
err = uv_thread_create(&m_loopThread, loop, this);
if (err) {
LOGERR(1, "failed to start event loop thread, error " << uv_err_name(err));
throw std::exception();
}
}
ConsoleCommands::~ConsoleCommands()
{
uv_async_send(&m_shutdownAsync);
uv_thread_join(&m_loopThread);
LOGINFO(1, "stopped");
}
typedef struct strconst {
const char *str;
size_t len;
} strconst;
#define STRCONST(x) {x, sizeof(x)-1}
#define STRCNULL {NULL, 0}
typedef void (cmdfunc)(p2pool *pool, const char *args);
typedef struct cmd {
strconst name;
const char *arg;
const char *descr;
cmdfunc *func;
} cmd;
static cmdfunc do_help, do_status, do_loglevel, do_addpeers, do_droppeers, do_showpeers, do_showworkers, do_showbans, do_outpeers, do_inpeers, do_exit;
#ifdef WITH_RANDOMX
static cmdfunc do_start_mining, do_stop_mining;
#endif
static cmd cmds[] = {
{ STRCONST("help"), "", "display list of commands", do_help },
{ STRCONST("status"), "", "display p2pool status", do_status },
{ STRCONST("loglevel"), "<level>", "set log level", do_loglevel },
{ STRCONST("addpeers"), "<peeraddr>", "add peer", do_addpeers },
{ STRCONST("droppeers"), "", "disconnect all peers", do_droppeers },
{ STRCONST("peers"), "", "show all peers", do_showpeers },
{ STRCONST("workers"), "", "show all connected workers", do_showworkers },
{ STRCONST("bans"), "", "show all banned IPs", do_showbans },
{ STRCONST("outpeers"), "<N>", "set maximum number of outgoing connections", do_outpeers },
{ STRCONST("inpeers"), "<N>", "set maximum number of incoming connections", do_inpeers },
#ifdef WITH_RANDOMX
{ STRCONST("start_mining"), "<threads>", "start mining", do_start_mining },
{ STRCONST("stop_mining"), "", "stop mining", do_stop_mining },
#endif
{ STRCONST("exit"), "", "terminate p2pool", do_exit },
{ STRCNULL, NULL, NULL, NULL }
};
static void do_help(p2pool * /* m_pool */, const char * /* args */)
{
LOGINFO(0, "List of commands");
for (int i = 0; cmds[i].name.len; ++i) {
LOGINFO(0, log::pad_right(cmds[i].name.str, 20) << log::pad_right(cmds[i].arg, 12) << cmds[i].descr);
}
}
static void do_status(p2pool *m_pool, const char * /* args */)
{
m_pool->side_chain().print_status();
if (m_pool->stratum_server()) {
m_pool->stratum_server()->print_status();
}
if (m_pool->p2p_server()) {
m_pool->p2p_server()->print_status();
}
#ifdef WITH_RANDOMX
m_pool->print_miner_status();
#endif
bkg_jobs_tracker.print_status();
}
static void do_loglevel(p2pool * /* m_pool */, const char *args)
{
int level = strtol(args, nullptr, 10);
level = std::min(std::max(level, 0), log::MAX_GLOBAL_LOG_LEVEL);
log::GLOBAL_LOG_LEVEL = level;
LOGINFO(0, "log level set to " << level);
}
static void do_addpeers(p2pool *m_pool, const char *args)
{
if (m_pool->p2p_server()) {
m_pool->p2p_server()->connect_to_peers_async(args);
}
}
static void do_droppeers(p2pool *m_pool, const char * /* args */)
{
if (m_pool->p2p_server()) {
m_pool->p2p_server()->drop_connections_async();
}
}
static void do_showpeers(p2pool* m_pool, const char* /* args */)
{
if (m_pool->p2p_server()) {
m_pool->p2p_server()->show_peers_async();
}
}
static void do_showworkers(p2pool* m_pool, const char* /* args */)
{
if (m_pool->stratum_server()) {
m_pool->stratum_server()->show_workers();
}
}
static void do_showbans(p2pool* m_pool, const char* /* args */)
{
if (m_pool->stratum_server()) {
m_pool->stratum_server()->print_bans();
}
if (m_pool->p2p_server()) {
m_pool->p2p_server()->print_bans();
}
}
static void do_outpeers(p2pool* m_pool, const char* args)
{
if (m_pool->p2p_server()) {
m_pool->p2p_server()->set_max_outgoing_peers(strtoul(args, nullptr, 10));
LOGINFO(0, "max outgoing peers set to " << m_pool->p2p_server()->max_outgoing_peers());
}
}
static void do_inpeers(p2pool* m_pool, const char* args)
{
if (m_pool->p2p_server()) {
m_pool->p2p_server()->set_max_incoming_peers(strtoul(args, nullptr, 10));
LOGINFO(0, "max incoming peers set to " << m_pool->p2p_server()->max_incoming_peers());
}
}
#ifdef WITH_RANDOMX
static void do_start_mining(p2pool* m_pool, const char* args)
{
uint32_t threads = strtoul(args, nullptr, 10);
threads = std::min(std::max(threads, 1u), 64u);
m_pool->start_mining(threads);
}
static void do_stop_mining(p2pool* m_pool, const char* /*args*/)
{
m_pool->stop_mining();
}
#endif
static void do_exit(p2pool *m_pool, const char * /* args */)
{
bkg_jobs_tracker.wait();
m_pool->stop();
}
void ConsoleCommands::allocCallback(uv_handle_t* handle, size_t /*suggested_size*/, uv_buf_t* buf)
{
ConsoleCommands* pThis = static_cast<ConsoleCommands*>(handle->data);
if (pThis->m_readBufInUse) {
buf->len = 0;
buf->base = nullptr;
return;
}
buf->len = sizeof(pThis->m_readBuf);
buf->base = pThis->m_readBuf;
pThis->m_readBufInUse = true;
}
void ConsoleCommands::stdinReadCallback(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf)
{
ConsoleCommands* pThis = static_cast<ConsoleCommands*>(stream->data);
if (nread > 0) {
std::string& command = pThis->m_command;
command.append(buf->base, nread);
do {
size_t k = command.find_first_of("\r\n");
if (k == std::string::npos) {
break;
}
command[k] = '\0';
cmd* c = cmds;
for (; c->name.len; ++c) {
if (!strncmp(command.c_str(), c->name.str, c->name.len)) {
const char* args = (c->name.len + 1 <= k) ? (command.c_str() + c->name.len + 1) : "";
// Skip spaces
while ((args[0] == ' ') || (args[0] == '\t')) {
++args;
}
// Check if an argument is required
if (strlen(c->arg) && !strlen(args)) {
LOGWARN(0, c->name.str << " requires arguments");
do_help(nullptr, nullptr);
break;
}
c->func(pThis->m_pool, args);
break;
}
}
if (!c->name.len) {
LOGWARN(0, "Unknown command " << command.c_str());
do_help(nullptr, nullptr);
}
k = command.find_first_not_of("\r\n", k + 1);
command.erase(0, k);
} while (true);
}
else if (nread < 0) {
LOGWARN(4, "read error " << uv_err_name(static_cast<int>(nread)));
}
pThis->m_readBufInUse = false;
}
void ConsoleCommands::loop(void* data)
{
LOGINFO(1, "event loop started");
ConsoleCommands* pThis = static_cast<ConsoleCommands*>(data);
int err = uv_run(&pThis->m_loop, UV_RUN_DEFAULT);
if (err) {
LOGWARN(1, "uv_run returned " << err);
}
err = uv_loop_close(&pThis->m_loop);
if (err) {
LOGWARN(1, "uv_loop_close returned error " << uv_err_name(err));
}
LOGINFO(1, "event loop stopped");
}
} // namespace p2pool