读取配置文件

古月不傲

[C++] 纯文本查看 复制代码

#ifndef __WIND_CONFIG_H__
#define __WIND_CONFIG_H__

#include <iostream>
#include <string>
#include <map>
#include <fstream>
#include <cstring>
#include <utility>

#include "../_include/wind_log.h"
#include "../_include/wind_misc.h"

// 配置文件相关
namespace wind_config
{
	class CConfig
	{
		public:
			CConfig() = default;
			CConfig(const CConfig &) = delete;
			CConfig &operator =(const CConfig &) = delete;

		public:
			static CConfig &get_instance()
			{
				static CConfig obj;
				return obj;
			}

			~CConfig()
			{
			}

		public:
			// 加载配置文件
			int load_config(const std::string &fileName)
			{
				if (fileName.size() == 0)
				{
					wind_log::CLog::get_instance().write_log("fileName.size() failed, errno:%d, at %s:%s.%d", 
							errno, __FILE__, __func__, __LINE__);
					return -1;
				}

				std::ifstream inFile;
				inFile.open(fileName.c_str(), std::ios::binary | std::ios::in);

				// 如果打开文件失败
				if (inFile.is_open() == false)
				{
					wind_log::CLog::get_instance().write_log("inFile.is_open() failed, errno:%d, at %s:%s.%d", 
							errno, __FILE__, __func__, __LINE__);
					return -1;
				}

				char buf[512]{};

				// 逐行解析
				while (inFile.eof() == false)
				{
					inFile.getline(buf, 512);

					// 空行不处理
					if (strlen(buf) == 0)
						continue;

					// 开头是特殊字符不处理
					if (buf[0] == '\0' || buf[0] == '#' || buf[0] == '['
							|| buf[0] == ' ' || buf[0] == '\t' || buf[0] == '\n')
						continue;

					// 截取键值对
					char *pEqual = strchr(buf, '=');

					// 无效行不处理
					if (pEqual == nullptr)
						continue;

					char tempKey[256]{};
					char tempValue[256]{};

					strncpy(tempKey, buf, pEqual - buf);
					strcpy(tempValue, pEqual+1);

					// 去掉左右空格
					wind_misc::lTrim(tempKey);
					wind_misc::rTrim(tempKey);
					wind_misc::lTrim(tempValue);
					wind_misc::rTrim(tempValue);

					// 插入map
					this->m_cfgItem.insert(std::pair<std::string, std::string>(tempKey, tempValue));
				}
				inFile.close();

				return 0;
			}

			// 获取值
			int get_value(const std::string &str)
			{
				if (str.size() == 0)
				{
					wind_log::CLog::get_instance().write_log("str_size() failed, errno:%d, at %s:%s.%d", 
							errno, __FILE__, __func__, __LINE__);
					return -1;
				}

				auto it = this->m_cfgItem.find(str.c_str());
				if (it != this->m_cfgItem.end())
					return std::atoi(it->second.c_str());

				return -1;
			}

		private:
			std::map<std::string, std::string> m_cfgItem;
	};
}

#endif

[Asm] 纯文本查看 复制代码

[Proc]
# 子进程的个数
child_process_num = 2

[Net]
# 需要监听端口的个数
listen_port_count = 2
# 需要监听的端口
listenPort0 = 80
listenPort1 = 5578
# 允许连接连入的数量
allow_connections_num = 1024