internal void AddServiceInfo(string provider, string serviceName, string serviceAddress, int servicePort)
{
var serviceInfo = new ServiceInfo()
{
Provider = provider,
Address = serviceAddress,
Port = servicePort
};
var list = new Dictionary<string, ServiceInfo>();
list.Add(serviceAddress + servicePort, serviceInfo);
Services.AddOrUpdate(serviceName, list, (key, value) =>
{
value.Remove(serviceAddress + servicePort);
value.Add(serviceAddress + servicePort, serviceInfo);
return value;
});
}
//private async Task<ServiceDto> CallConsul(HttpContext context, ILogger log, string serviceName)
//{
// try
// {
// var data = new ServiceDto();
// log.Verbose("Searching service in Consul...");
// using (var client = new ConsulClient())
// {
// var consulCatalog = await client.Catalog.Service(serviceName);
// if (consulCatalog.Response.Length > 0)
// {
// var service = consulCatalog.Response[0];
// data.Address = IPAddress.Parse(service.Address);
// data.Port = service.ServicePort;
// log.Information("Sending request to {Host}:{port}...", service.Address, data.Port);
// }
// else
// {
// log.Warning("Service not found!");
// context.Response.Send(404);
// }
// }
// return data;
// }
// catch (Exception e)
// {
// log.Error(e, "Cannot call Consul");
// context.Response.Send(500);
// return null;
// }
//}
private static async Task CallService(HttpContext context, HttpRequest request, ILogger log, ServiceInfo serviceInfo)
{
IPAddress serviceAdress = IPAddress.Parse(serviceInfo.Address);
int servicePort = serviceInfo.Port;
using (context)
{
try
{
using (var client = new TcpClient())
{
client.Connect(serviceAdress, servicePort);
using (var realService = client.GetStream())
{
log.Verbose("Sending request...");
await request.RedirectToAsync(realService);
log.Verbose("Waiting response...");
await context.Response.RedirectFromAsync(realService);
log.Information("Finished!");
}
}
}
catch (Exception e)
{
log.Error(e, "Cannot call service");
context.Response.Send(500);
}
}
}