xmrig/src/common/config/ConfigLoader.cpp
2018-06-05 07:34:58 +07:00

318 lines
7.9 KiB
C++

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2016-2018 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <limits.h>
#include <stdio.h>
#include <uv.h>
#ifndef XMRIG_NO_HTTPD
# include <microhttpd.h>
#endif
#include "common/config/ConfigLoader.h"
#include "common/config/ConfigWatcher.h"
#include "common/interfaces/IConfig.h"
#include "common/interfaces/IWatcherListener.h"
#include "common/net/Pool.h"
#include "common/Platform.h"
#include "core/ConfigCreator.h"
#include "core/ConfigLoader_platform.h"
#include "rapidjson/document.h"
#include "rapidjson/error/en.h"
#include "rapidjson/filereadstream.h"
xmrig::ConfigWatcher *xmrig::ConfigLoader::m_watcher = nullptr;
xmrig::IConfigCreator *xmrig::ConfigLoader::m_creator = nullptr;
xmrig::IWatcherListener *xmrig::ConfigLoader::m_listener = nullptr;
#ifndef ARRAY_SIZE
# define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#endif
bool xmrig::ConfigLoader::loadFromFile(xmrig::IConfig *config, const char *fileName)
{
rapidjson::Document doc;
if (!getJSON(fileName, doc)) {
return false;
}
config->setFileName(fileName);
return loadFromJSON(config, doc);
}
bool xmrig::ConfigLoader::loadFromJSON(xmrig::IConfig *config, const char *json)
{
rapidjson::Document doc;
doc.Parse(json);
if (doc.HasParseError() || !doc.IsObject()) {
return false;
}
return loadFromJSON(config, doc);
}
bool xmrig::ConfigLoader::loadFromJSON(xmrig::IConfig *config, const rapidjson::Document &doc)
{
for (size_t i = 0; i < ARRAY_SIZE(config_options); i++) {
parseJSON(config, &config_options[i], doc);
}
const rapidjson::Value &pools = doc["pools"];
if (pools.IsArray()) {
for (const rapidjson::Value &value : pools.GetArray()) {
if (!value.IsObject()) {
continue;
}
for (size_t i = 0; i < ARRAY_SIZE(pool_options); i++) {
parseJSON(config, &pool_options[i], value);
}
}
}
const rapidjson::Value &api = doc["api"];
if (api.IsObject()) {
for (size_t i = 0; i < ARRAY_SIZE(api_options); i++) {
parseJSON(config, &api_options[i], api);
}
}
config->parseJSON(doc);
return config->finalize();
}
bool xmrig::ConfigLoader::reload(xmrig::IConfig *oldConfig, const char *json)
{
xmrig::IConfig *config = m_creator->create();
if (!loadFromJSON(config, json)) {
delete config;
return false;
}
config->setFileName(oldConfig->fileName());
const bool saved = config->save();
if (config->isWatch() && m_watcher && saved) {
delete config;
return true;
}
m_listener->onNewConfig(config);
return true;
}
xmrig::IConfig *xmrig::ConfigLoader::load(int argc, char **argv, IConfigCreator *creator, IWatcherListener *listener)
{
m_creator = creator;
m_listener = listener;
xmrig::IConfig *config = m_creator->create();
int key;
while (1) {
key = getopt_long(argc, argv, short_options, options, NULL);
if (key < 0) {
break;
}
if (!parseArg(config, key, optarg)) {
delete config;
return nullptr;
}
}
if (optind < argc) {
fprintf(stderr, "%s: unsupported non-option argument '%s'\n", argv[0], argv[optind]);
delete config;
return nullptr;
}
if (!config->finalize()) {
delete config;
config = m_creator->create();
loadFromFile(config, Platform::defaultConfigName());
}
if (!config->finalize()) {
if (!config->algorithm().isValid()) {
fprintf(stderr, "No valid algorithm specified. Exiting.\n");
}
else {
fprintf(stderr, "No valid configuration found. Exiting.\n");
}
delete config;
return nullptr;
}
if (config->isWatch()) {
m_watcher = new xmrig::ConfigWatcher(config->fileName(), creator, listener);
}
return config;
}
void xmrig::ConfigLoader::release()
{
delete m_watcher;
delete m_creator;
m_watcher = nullptr;
m_creator = nullptr;
}
bool xmrig::ConfigLoader::getJSON(const char *fileName, rapidjson::Document &doc)
{
uv_fs_t req;
const int fd = uv_fs_open(uv_default_loop(), &req, fileName, O_RDONLY, 0644, nullptr);
if (fd < 0) {
fprintf(stderr, "unable to open %s: %s\n", fileName, uv_strerror(fd));
return false;
}
uv_fs_req_cleanup(&req);
FILE *fp = fdopen(fd, "rb");
char buf[8192];
rapidjson::FileReadStream is(fp, buf, sizeof(buf));
doc.ParseStream(is);
uv_fs_close(uv_default_loop(), &req, fd, nullptr);
uv_fs_req_cleanup(&req);
if (doc.HasParseError()) {
printf("%s<%d>: %s\n", fileName, (int) doc.GetErrorOffset(), rapidjson::GetParseError_En(doc.GetParseError()));
return false;
}
return doc.IsObject();
}
bool xmrig::ConfigLoader::parseArg(xmrig::IConfig *config, int key, const char *arg)
{
switch (key) {
case xmrig::IConfig::VersionKey: /* --version */
showVersion();
return false;
case xmrig::IConfig::HelpKey: /* --help */
showUsage();
return false;
case xmrig::IConfig::ConfigKey: /* --config */
loadFromFile(config, arg);
break;
default:
return config->parseString(key, arg);;
}
return true;
}
void xmrig::ConfigLoader::parseJSON(xmrig::IConfig *config, const struct option *option, const rapidjson::Value &object)
{
if (!option->name || !object.HasMember(option->name)) {
return;
}
const rapidjson::Value &value = object[option->name];
if (option->has_arg) {
if (value.IsString()) {
config->parseString(option->val, value.GetString());
}
else if (value.IsInt64()) {
config->parseUint64(option->val, value.GetUint64());
}
else if (value.IsBool()) {
config->parseBoolean(option->val, value.IsTrue());
}
}
else if (value.IsBool()) {
config->parseBoolean(option->val, value.IsTrue());
}
}
void xmrig::ConfigLoader::showUsage()
{
printf(usage);
}
void xmrig::ConfigLoader::showVersion()
{
printf(APP_NAME " " APP_VERSION "\n built on " __DATE__
# if defined(__clang__)
" with clang " __clang_version__);
# elif defined(__GNUC__)
" with GCC");
printf(" %d.%d.%d", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
# elif defined(_MSC_VER)
" with MSVC");
printf(" %d", MSVC_VERSION);
# else
);
# endif
printf("\n features:"
# if defined(__i386__) || defined(_M_IX86)
" 32-bit"
# elif defined(__x86_64__) || defined(_M_AMD64)
" 64-bit"
# endif
# if defined(__AES__) || defined(_MSC_VER)
" AES"
# endif
"\n");
printf("\nlibuv/%s\n", uv_version_string());
# ifndef XMRIG_NO_HTTPD
printf("libmicrohttpd/%s\n", MHD_get_version());
# endif
}