private void RequestHandler(EventHttpRequest req)
{
ThreadPool.QueueUserWorkItem(_ =>
{
PreProcessRequest(req);
var pairs = req.Uri.Split(new[] { '?' }, 2);
var path = Uri.UnescapeDataString(pairs[0]);
var query = pairs.Length == 2 ? pairs[1] : string.Empty;
var nreq = CreateRequest(req.Method, path, req.Headers,
RequestStream.FromStream(new MemoryStream(req.RequestBody)), "http", query, req.UserHostAddress);
_engine.HandleRequest(
nreq,
ctx =>
{
PostProcessNancyResponse(nreq, ctx.Response);
var ms = new MemoryStream();
ctx.Response.Contents(ms);
req.Respond((System.Net.HttpStatusCode)ctx.Response.StatusCode, ctx.Response.Headers, ms.ToArray());
},
exception =>
{
req.Respond(System.Net.HttpStatusCode.InternalServerError, new Dictionary <string, string>(), new byte[0]);
if (Error != null)
{
Error(this, new ErrorEventArgs(exception));
}
else
{
Console.WriteLine(exception);
}
});
});
}
private void RequestHandler(EventHttpRequest req)
{
if (req.Uri == null)
{
req.Respond(System.Net.HttpStatusCode.BadRequest, new Dictionary <string, string>(), new byte[0]);
return;
}
ThreadPool.QueueUserWorkItem(_ =>
{
Request nreq;
try
{
PreProcessRequest(req);
var pairs = req.Uri.Split(new[] { '?' }, 2);
var path = Uri.UnescapeDataString(pairs[0]);
var query = pairs.Length == 2 ? pairs[1] : string.Empty;
nreq = CreateRequest(req.Method, req.Host, path, req.Headers,
RequestStream.FromStream(new MemoryStream(req.RequestBody)), "http", query, req.UserHostAddress);
}
catch (Exception e)
{
DoRespond(req, GetExceptionResponse(e));
return;
}
try
{
_engine.HandleRequest(
nreq,
ctx =>
{
ResponseData resp;
try
{
var ms = new MemoryStream();
PostProcessNancyResponse(nreq, ctx.Response);
ctx.Response.Contents(ms);
resp = new ResponseData(ctx.Response.StatusCode, ms.ToArray(), ctx.Response.Headers);
}
catch (Exception e)
{
resp = GetExceptionResponse(e);
}
DoRespond(req, resp);
},
exception => DoRespond(req, GetExceptionResponse(exception)));
}
catch (Exception e)
{
DoRespond(req, GetExceptionResponse(e));
}
});
}
private static void Handler(EventHttpRequest req)
{
var headers = new Dictionary <string, string>();
var resp = "Hello, World!";
if (!req.Uri.Contains("plaintext"))
{
var sw = new StringWriter();
Serializer.Serialize(sw, new { message = "Hello, World!" });
resp = sw.ToString();
headers["Content-Type"] = "application/json";
}
req.Respond(HttpStatusCode.OK, headers, Encoding.UTF8.GetBytes(resp));
}
private void HandleRequest(EventHttpRequest req)
{
ThreadPool.QueueUserWorkItem(async _ =>
{
try
{
var env = new Dictionary<string, object>();
env["owin.RequestBody"] = new MemoryStream(req.RequestBody);
env["owin.RequestHeaders"] = req.Headers.ToDictionary(x => x.Key, x => x.Value.ToArray(), StringComparer.OrdinalIgnoreCase);
env["owin.RequestMethod"] = req.Method;
var pairs = req.Uri.Split(new[] { '?' }, 2);
var path = Uri.UnescapeDataString(pairs[0]);
var query = pairs.Length == 2 ? pairs[1] : string.Empty;
env["owin.RequestPath"] = path;
env["owin.RequestPathBase"] = "/";
env["owin.RequestProtocol"] = "HTTP/1.0";
env["owin.RequestQueryString"] = query;
env["owin.RequestScheme"] = "http";
var response = new MemoryStream();
var headers = new Dictionary<string, string[]>();
env["owin.ResponseBody"] = response;
env["owin.ResponseHeaders"] = headers;
env["owin.ResponseStatusCode"] = 200;
await _app(env);
req.Respond((HttpStatusCode) (int) env["owin.ResponseStatusCode"],
headers.Where(k => k.Value.Length != 0).ToDictionary(x => x.Key, x => x.Value[0]),
response.ToArray());
}
catch (Exception e)
{
req.Respond(HttpStatusCode.InternalServerError, new Dictionary<string, string>(),
Encoding.UTF8.GetBytes(e.ToString()));
}
});
}
private void HandleRequest(EventHttpRequest req)
{
ThreadPool.QueueUserWorkItem(async _ =>
{
try
{
var env = new Dictionary <string, object>();
env["owin.RequestBody"] = new MemoryStream(req.RequestBody);
env["owin.RequestHeaders"] = req.Headers.ToDictionary(x => x.Key, x => x.Value.ToArray(), StringComparer.OrdinalIgnoreCase);
env["owin.RequestMethod"] = req.Method;
var pairs = req.Uri.Split(new[] { '?' }, 2);
var path = Uri.UnescapeDataString(pairs[0]);
var query = pairs.Length == 2 ? pairs[1] : string.Empty;
env["owin.RequestPath"] = path;
env["owin.RequestPathBase"] = "/";
env["owin.RequestProtocol"] = "HTTP/1.0";
env["owin.RequestQueryString"] = query;
env["owin.RequestScheme"] = "http";
var response = new MemoryStream();
var headers = new Dictionary <string, string[]>();
env["owin.ResponseBody"] = response;
env["owin.ResponseHeaders"] = headers;
env["owin.ResponseStatusCode"] = 200;
await _app(env);
req.Respond((HttpStatusCode)(int)env["owin.ResponseStatusCode"],
headers.Where(k => k.Value.Length != 0).ToDictionary(x => x.Key, x => x.Value[0]),
response.ToArray());
}
catch (Exception e)
{
req.Respond(HttpStatusCode.InternalServerError, new Dictionary <string, string>(),
Encoding.UTF8.GetBytes(e.ToString()));
}
});
}
protected virtual void PreProcessRequest(EventHttpRequest request)
{
}
void DoRespond(EventHttpRequest req, ResponseData resp)
{
req.Respond((System.Net.HttpStatusCode)resp.Code, resp.Headers ?? new Dictionary <string, string>(),
resp.Data ?? new byte[0]);
}
private void RequestHandler(EventHttpRequest req)
{
ThreadPool.QueueUserWorkItem(_ =>
{
var headers = new Dictionary <string, string>()
{
{ "Content-Type", "application/json; charset=utf-8" }
};
var msg = "";
JavaScriptSerializer json = new JavaScriptSerializer();
// get the HTTP method, path and body of the request
string method = req.Method;
string[] request = req.Uri.Trim('/').Split('/');
string data = Encoding.UTF8.GetString(req.RequestBody);
Dictionary <string, object> input = json.Deserialize <Dictionary <string, object> >(data);
// connect to the sql server database
MySqlConnection link = new MySqlConnection("addr=localhost;uid=user;pwd=pass;database=dbname");
link.Open();
// retrieve the table and key from the path
string table = Regex.Replace(request[0], "[^a-z0-9_]+", "");
int key = request.Length > 1 ? int.Parse(request[1]) : 0;
// escape the columns from the input object
string[] columns = input != null ? input.Keys.Select(i => Regex.Replace(i.ToString(), "[^a-z0-9_]+", "")).ToArray() : null;
// build the SET part of the SQL command
string set = input != null ? String.Join(", ", columns.Select(i => "`" + i + "`=@_" + i).ToArray()) : "";
// create SQL based on HTTP method
string sql = null;
switch (method)
{
case "GET":
sql = string.Format("select * from `{0}`" + (key > 0 ? " where `id`=@pk" : ""), table); break;
case "PUT":
sql = string.Format("update `{0}` set {1} where `id`=@pk", table, set); break;
case "POST":
sql = string.Format("insert into `{0}` set {1}; select last_insert_id()", table, set); break;
case "DELETE":
sql = string.Format("delete `{0}` where `id`=@pk", table); break;
}
// add parameters to command
MySqlCommand command = new MySqlCommand(sql, link);
if (input != null)
{
foreach (string c in columns)
{
command.Parameters.AddWithValue("@_" + c, input[c]);
}
}
if (key > 0)
{
command.Parameters.AddWithValue("@pk", key);
}
// print results, insert id or affected row count
if (method == "GET")
{
MySqlDataReader reader = command.ExecuteReader();
var fields = new List <string> ();
for (int i = 0; i < reader.FieldCount; i++)
{
fields.Add(reader.GetName(i));
}
if (key == 0)
{
msg += "[";
}
bool first = true;
while (reader.Read())
{
if (first)
{
first = false;
}
else
{
msg += ",";
}
Dictionary <string, object> row = new Dictionary <string, object> ();
foreach (var field in fields)
{
row.Add(field, reader [field]);
}
msg += json.Serialize((object)row);
}
if (key == 0)
{
msg += "]";
}
reader.Close();
}
else if (method == "POST")
{
MySqlDataReader reader = command.ExecuteReader();
reader.NextResult();
reader.Read();
msg += json.Serialize((object)reader.GetValue(0));
reader.Close();
}
else
{
msg += json.Serialize((object)command.ExecuteNonQuery());
}
// close mysql connection
link.Close();
req.Respond(System.Net.HttpStatusCode.OK, headers, Encoding.UTF8.GetBytes(msg));
});
}
