/// <summary>
/// 根据域名获取IP地址
/// </summary>
/// <param name="domain">域名</param>
/// <returns>IP地址,失败返回null</returns>
internal unsafe static IPAddress[] Get(ref SubArray <byte> domain)
{
try
{
fixed(byte *domainFixed = domain.GetFixedBuffer())
{
byte *domainStart = domainFixed + domain.StartIndex;
AutoCSer.Memory.Common.ToLowerNotNull(domainStart, domainStart + domain.Length);
HashBytes key = domain;
DomainIPAddress value;
Monitor.Enter(domainIpLock);
try
{
value = domainIps.Get(ref key, default(DomainIPAddress));
if (value.Ips != null && value.Timeout < AutoCSer.Threading.SecondTimer.Now)
{
domainIps.Remove(ref key, out value);
value.Ips = null;
}
}
finally { Monitor.Exit(domainIpLock); }
if (value.Ips == null)
{
if (value.Domain == null)
{
value.Domain = MemoryExtensionWebClient.BytesToStringNotEmpty(domainStart, domain.Length);
}
IPAddress ip;
if (IPAddress.TryParse(value.Domain, out ip))
{
value.Timeout = DateTime.MaxValue;
value.Domain = null;
setDomainIp(key.Copy(), ref value);
return(value.Ips = new IPAddress[] { ip });
}
value.Ips = Dns.GetHostEntry(value.Domain).AddressList;
if (value.Ips.Length != 0)
{
value.Timeout = AutoCSer.Threading.SecondTimer.Now.AddTicks(domainIpTimeoutTicks);
setDomainIp(key.Copy(), ref value);
return(value.Ips);
}
}
else
{
return(value.Ips);
}
}
}
catch (Exception error)
{
AutoCSer.LogHelper.Exception(error, null, LogLevel.Exception | LogLevel.AutoCSer);
}
return(null);
}
/// <summary>
/// 获取商品二维码URL
/// </summary>
/// <param name="product_id"></param>
/// <returns></returns>
public unsafe string GetProductUrl(string product_id)
{
ProductUrlSign sign = new ProductUrlSign {
product_id = product_id
};
sign.setConfig(this);
SubBuffer.PoolBufferFull buffer = default(SubBuffer.PoolBufferFull);
int length = Sign <ProductUrlSign> .GetData(sign, key, ref buffer);
try
{
fixed(byte *bufferFixed = buffer.GetFixedBuffer())
{
using (MD5 md5 = new MD5CryptoServiceProvider())
{
return("weixin://wxpay/bizpayurl?" + MemoryExtensionWebClient.BytesToStringNotEmpty(bufferFixed + buffer.StartIndex, length) + "&sign=" + sign.sign);
}
}
}
finally { buffer.Free(); }
}