public void Validate(ServerOption option)
{
if (option == null)
{
throw new ArgumentNullException(nameof(option));
}
// 检查监听参数
if (option.HttpListenerOptions == null || option.HttpListenerOptions.Length == 0)
{
throw new ConfigurationErrorsException("没有配置监听参数。");
}
foreach (var a in option.HttpListenerOptions)
{
if (string.IsNullOrEmpty(a.Protocol))
{
throw new ConfigurationErrorsException("配置项 httpListener/protocol 不能为空。");
}
if (a.Port < 0)
{
throw new ConfigurationErrorsException("配置项 httpListener/port 的取值无效。");
}
}
// 检查 HttpModule
if (option.Modules != null)
{
foreach (var b in option.Modules)
{
Type t = Type.GetType(b, false, false);
if (t == null)
{
throw new ConfigurationErrorsException("配置项 modules/type 的取值无效，找不到指定的类型。");
}
if (t.IsCompatible(typeof(EventSubscriber <HttpModule>)) == false)
{
throw new ArgumentException("配置项 modules/type 的取值无效，类型必须继承于 EventSubscriber<HttpModule>");
}
}
}
// 检查 HttpHandlerFactory
if (option.Handlers != null)
{
foreach (var c in option.Handlers)
{
Type t = Type.GetType(c, false, false);
if (t == null)
{
throw new ConfigurationErrorsException("配置项 handlers/type 的取值无效，找不到指定的类型。");
}
if (t.IsCompatible(typeof(IHttpHandlerFactory)) == false)
{
throw new ArgumentException("配置项 handlers/type 的取值无效，类型必须实现IHttpHandlerFactory接口。");
}
}
}
// 检查站点设置
if (option.Website != null)
{
if (string.IsNullOrEmpty(option.Website.LocalPath))
{
throw new ConfigurationErrorsException("配置项 website/localPath 不能为空。");
}
if (System.IO.Directory.Exists(option.Website.LocalPath) == false)
{
throw new ConfigurationErrorsException("配置项 website/localPath 的取值无效，找不到指定的目录。");
}
if (option.Website.StaticFiles != null)
{
foreach (var f in option.Website.StaticFiles)
{
if (string.IsNullOrEmpty(f.Ext))
{
throw new ConfigurationErrorsException("配置项 website/staticFile/ext 不能为空。");
}
}
}
}
}
public void SetDefaultValues(ServerOption option)
{
if (option == null)
{
throw new ArgumentNullException(nameof(option));
}
if (option.HttpListenerOptions != null)
{
foreach (var a in option.HttpListenerOptions)
{
if (string.IsNullOrEmpty(a.Ip))
{
a.Ip = "*";
}
// 端口号为 0 表示使用动态端口
if (a.Port == 0)
{
// 这里不检查返回值，因为不太可能把端口全部用完
a.Port = NetHelper.GetFreeTcpPort(5000, 50000);
}
}
}
if (option.Website != null)
{
option.Website.LocalPath = Path.GetFullPath(option.Website.LocalPath);
if (option.Website.CacheDuration <= 0)
{
option.Website.CacheDuration = 3600 * 24 * 365; // 默认缓存1年
}
if (option.Website.StaticFiles != null)
{
foreach (var f in option.Website.StaticFiles)
{
if (f.Cache == 0)
{
f.Cache = option.Website.CacheDuration; // 取默认缓存值
}
if (string.IsNullOrEmpty(f.Mine))
{
f.Mine = StaticFileHandler.GetMimeType(f.Ext);
}
}
}
}
if (option.Modules != null)
{
option.ModuleTypes = (from s in option.Modules
let t = Type.GetType(s, false, false)
select t
).ToArray();
}
if (option.Handlers != null)
{
option.HandlerTypes = (from s in option.Handlers
let t = Type.GetType(s, false, false)
select t
).ToArray();
}
}