/// <summary>
/// Reads the value from the data store with the given key. If the value doesn't
/// exist, or it is of the wrong type then an error will occur.
/// </summary>
///
/// <param name="key">The key to look up.</param>
///
/// <returns>The Json Object value.</returns>
public ReadOnlyDictionary <string, object> GetJsonObject(string key)
{
ReleaseAssert.IsNotNull(key, "Cannot provide a null key.");
object value = null;
lock (m_lock)
{
m_dataStore.TryGetValue(key, out value);
}
ReleaseAssert.IsNotNull(value, "Value for key '" + key + "' is missing from data store.");
ReleaseAssert.IsTrue(value is ReadOnlyDictionary <string, object>, "Value is incorrect type.");
return((ReadOnlyDictionary <string, object>)value);
}
/// <summary>
/// Reads the value from the data store with the given key. If the value doesn't
/// exist, or it is of the wrong type then an error will occur.
/// </summary>
///
/// <param name="key">The key to look up.</param>
///
/// <returns>The integer value.</returns>
public int GetInt(string key)
{
ReleaseAssert.IsNotNull(key, "Cannot provide a null key.");
object value = null;
lock (m_lock)
{
m_dataStore.TryGetValue(key, out value);
}
ReleaseAssert.IsNotNull(value, "Value for key '" + key + "' is missing from data store.");
ReleaseAssert.IsTrue(value is int, "Value is incorrect type.");
return((int)value);
}
/// <summary>
/// Parses the HTTP response code from the given HTTP STATUS string. The string should
/// be in the format 'HTTP/X YYY...' or 'HTTP/X.X YYY...' where YYY is the response
/// code.
/// </summary>
///
/// <returns>The response code.</returns>
///
/// <param name="httpStatus">The HTTP status string in the format 'HTTP/X YYY...'
/// or 'HTTP/X.X YYY...'.</param>
private int ParseHttpStatus(string httpStatus)
{
ReleaseAssert.IsTrue(httpStatus != null, "The HTTP status string must not be null when parsing a response code.");
var regex = new Regex("[a-zA-Z]*\\/\\d+(\\.\\d)?\\s(?<httpResponseCode>\\d+)\\s");
var match = regex.Match(httpStatus);
ReleaseAssert.IsTrue(match.Groups.Count == 3, "There must be exactly 3 match groups when using a regex on a HTTP status.");
var responseCodeString = match.Groups ["httpResponseCode"].Value;
ReleaseAssert.IsTrue(responseCodeString != null, "The response code string cannot be null when using a regex on a HTTP status.");
return(Int32.Parse(responseCodeString));
}
/// <summary>
/// <para>The coroutine for processing the HTTP request. This will yield until the
/// request has completed then get the data from the Web Request object.</para>
/// </summary>
///
/// <returns>The coroutine enumerator.</returns>
///
/// <param name="url">The URL that the request is targetting.</param>
/// <param name="headers">The headers for the HTTP request.</param>
/// <param name="body">The body of the request. If null, a GET request will be sent.</param>
/// <param name="callback">The callback providing the response from the server.</param>
private IEnumerator ProcessRequest(String url, IDictionary <string, string> headers, byte[] body, Action <HttpResponse> callback)
{
ReleaseAssert.IsTrue(callback != null, "The callback must not be null when sending a request.");
int responseCode = 500;
float delayInSeconds = 0.0f;
float delayIncrementInSeconds = 1.0f;
float delayMultiplier = 2.0f;
int retryAttempt = 1;
for (int retries = 4; retries != 0; --retries)
{
if (retries < 4)
{
headers.Remove("X-Chilli-Retry");
headers.Add("X-Chilli-Retry", retryAttempt.ToString());
retryAttempt++;
}
yield return(new WaitForSecondsRealtime(delayInSeconds));
UnityWebRequest webRequest = CreateUnityWebRequest(url, headers, body);
ReleaseAssert.IsTrue(webRequest != null, "The webRequest must not be null when sending a request.");
m_logging.LogVerboseMessage(string.Format("Sending request after delay {1}. Retries remaining {0}.", retries, delayInSeconds));
yield return(webRequest.Send());
responseCode = (int)webRequest.responseCode;
if (ERROR_CODES.Contains(responseCode) == false || retries == 1)
{
m_logging.LogVerboseMessage(string.Format("Request sent with response code {0}", responseCode));
ProcessSentRequest(webRequest, responseCode, callback);
break;
}
if (delayInSeconds == 0.0f)
{
delayInSeconds += delayIncrementInSeconds;
}
else
{
delayInSeconds += delayMultiplier;
}
}
}
/// <summary>
/// Makes a HTTP POST request with the given request object. This is
/// performed asynchronously, with the callback block run on a background
/// thread.
/// </summary>
///
/// <param name="request">The POST HTTP request.</param>
/// <param name="callback">The callback which will provide the response from the server.
/// The callback will be made on a background thread.</param>
public void SendRequest(HttpPostRequest request, Action <HttpPostRequest, HttpResponse> callback)
{
ReleaseAssert.IsTrue(request != null, "The HTTP POST request must not be null when sending a request.");
ReleaseAssert.IsTrue(callback != null, "The callback must not be null when sending a request.");
var headers = new Dictionary <string, string>(request.Headers);
if (request.ContentType != null)
{
headers.Add("Content-Type", request.ContentType);
}
SendRequest(request.Url, headers, request.Body, (HttpResponse response) =>
{
callback(request, response);
});
}
/// <summary>
/// Serialised a list to a Json compatible IList. A callback is provided for
/// serialising each element in the input list.
/// </summary>
///
/// <param name="list">The list to be serialised.</param>
/// <param name="elementCallback">The callback for serialising the elements in the list.</param>
///
/// <returns>The serialised list.</returns>
public static IList <object> Serialise <TType>(IList <TType> list, Func <TType, object> elementCallback)
{
var output = new List <object>();
foreach (var obj in list)
{
ReleaseAssert.IsNotNull(obj, "List elements should not be null.");
var serialisedObj = elementCallback(obj);
ReleaseAssert.IsTrue(serialisedObj is bool || serialisedObj is int || serialisedObj is long || serialisedObj is float || serialisedObj is string ||
serialisedObj is IList <object> || serialisedObj is IDictionary <string, object>, "Serialised element must be a valid Json type.");
output.Add(serialisedObj);
}
return(output);
}
/// <summary>
/// Provides the means to send both GET and POST requests depending on the
/// input data.
/// </summary>
///
/// <param name="url">The URL that the request is targetting.</param>
/// <param name="headers">The headers for the HTTP request.</param>
/// <param name="body">The body of the request. If null, a GET request will be sent.</param>
/// <param name="callback">The callback providing the response from the server.</param>
private void SendRequest(String url, IDictionary <string, string> headers, byte[] body, Action <HttpResponse> callback)
{
ReleaseAssert.IsTrue(url != null, "The URL must not be null when sending a request.");
ReleaseAssert.IsTrue(headers != null, "The headers must not be null when sending a request.");
ReleaseAssert.IsTrue(callback != null, "The callback must not be null when sending a request.");
// Unity's WWW class works with the Dictionary concrete class rather than the abstract
// IDictionary. Rather than cast a copy is made so we can be sure other dictionary types
// will work.
Dictionary <string, string> headersConcreteDict = new Dictionary <string, string>(headers);
m_taskScheduler.ScheduleMainThreadTask(() =>
{
var www = new WWW(url, body, headersConcreteDict);
m_taskScheduler.StartCoroutine(ProcessRequest(www, callback));
});
}
/// <summary>
/// Deserialised a list from a Json compatible IList. A callback is
/// provided for deserialising each element in the list.
/// </summary>
///
/// <param name="list">The list to be deserialised.</param>
/// <param name="elementCallback">The callback for deserialising the elements in the list.</param>
///
/// <returns>The deserialised list.</returns>
public static ReadOnlyCollection <TType> DeserialiseList <TType>(IList <object> list, Func <object, TType> elementCallback)
{
var output = new List <TType>();
foreach (var obj in list)
{
ReleaseAssert.IsNotNull(obj, "List elements should not be null.");
ReleaseAssert.IsTrue(obj is bool || obj is int || obj is long || obj is float || obj is string ||
obj is IList <object> || obj is IDictionary <string, object>, "Serialised element must be a valid Json type.");
var deserialisedObj = elementCallback(obj);
ReleaseAssert.IsNotNull(deserialisedObj, "Deserialised list elements should not be null.");
output.Add(deserialisedObj);
}
return(new ReadOnlyCollection <TType>(output));
}
/// <summary>
/// Initialises the new instance of server response from the given HTTP
/// response.
/// </summary>
///
/// <param name="httpResponse">The HTTP response.</param>
public ServerResponse(HttpResponse httpResponse)
{
Result = httpResponse.Result;
HttpResponseCode = httpResponse.HttpResponseCode;
if (httpResponse.Body.Length > 0)
{
var bodyString = Encoding.UTF8.GetString(httpResponse.Body);
var bodyDictionary = Json.Deserialize(bodyString) as Dictionary <string, object>;
ReleaseAssert.IsTrue(bodyDictionary != null, "Invalid server response JSON.");
Body = new ReadOnlyDictionary <string, object>(bodyDictionary);
}
else
{
Body = new ReadOnlyDictionary <string, object>();
}
}
/// <summary>
/// Serialised a map to a Json compatible IDictionary. A callback is provided for
/// serialising each element in the input map.
/// </summary>
///
/// <param name="map">The map to be serialised.</param>
/// <param name="elementCallback">The callback for serialising the elements in the map.</param>
///
/// <returns>The serialised map.</returns>
public static IDictionary <string, object> Serialise <TType>(IDictionary <string, TType> map, Func <TType, object> elementCallback)
{
var output = new Dictionary <string, object>();
foreach (var entry in map)
{
ReleaseAssert.IsNotNull(entry.Key, "Map keys should not be null.");
ReleaseAssert.IsNotNull(entry.Value, "Map elements should not be null.");
var serialisedObj = elementCallback(entry.Value);
ReleaseAssert.IsNotNull(serialisedObj, "Serialised list elements should not be null.");
ReleaseAssert.IsTrue(serialisedObj is bool || serialisedObj is int || serialisedObj is long || serialisedObj is float || serialisedObj is string ||
serialisedObj is IList <object> || serialisedObj is IDictionary <string, object>, "Serialised element must be a valid Json type.");
output.Add(entry.Key, serialisedObj);
}
return(output);
}
/// <summary>
/// Parses the HTTP response code from the given HTTP error string. The string should
/// be in the format 'XXX ...' where XXX is the HTTP response code.
/// </summary>
///
/// <returns>The response code parsed from the error, or 0 if there wasn't one.</returns>
///
/// <param name="httpError">The HTTP error string.</param>
private int ParseHttpError(string httpError)
{
ReleaseAssert.IsTrue(httpError != null, "The HTTP error string must not be null when parsing a response code.");
var regex = new Regex("(?<httpResponseCode>[0-9][0-9][0-9])\\s");
if (regex.IsMatch(httpError))
{
var match = regex.Match(httpError);
ReleaseAssert.IsTrue(match.Groups.Count == 2, "There must be exactly 2 match groups when using a regex on a HTTP error.");
var responseCodeString = match.Groups ["httpResponseCode"].Value;
ReleaseAssert.IsTrue(responseCodeString != null, "The response code string cannot be null when using a regex on a HTTP error.");
return(Int32.Parse(responseCodeString));
}
return(0);
}
/// <summary>
/// Performs a server request with the given request parameters. This is
/// performed asynchronously.
/// </summary>
///
/// <param name="request">The request that should be performed, which must adhere
/// to the immediate request protocol.</param>
/// <param name="callback">The callback containing the response. The callback
/// will be on a background thread.</param>
public void SendImmediateRequest(IImmediateServerRequest request, Action <IImmediateServerRequest, ServerResponse> callback)
{
m_taskScheduler.ScheduleBackgroundTask(() =>
{
// if (request.HttpRequestMethod == HttpRequestMethod.Post)
// {
var bodyString = MiniJSON.Json.Serialize(request.SerialiseBody());
ReleaseAssert.IsTrue(bodyString != null, "Invalid body.");
var bodyData = Encoding.UTF8.GetBytes(bodyString);
var httpRequestDesc = new HttpPostRequestDesc(request.Url, bodyData);
httpRequestDesc.Headers = request.SerialiseHeaders();
httpRequestDesc.ContentType = "application/json";
var httpRequest = new HttpPostRequest(httpRequestDesc);
m_httpSystem.SendRequest(httpRequest, (HttpPostRequest receivedHttpRequest, HttpResponse httpResponse) =>
{
ReleaseAssert.IsTrue(httpRequest == receivedHttpRequest, "Received response for wrong request.");
var serverResponse = new ServerResponse(httpResponse);
callback(request, serverResponse);
});
// }
// else
// {
// var httpRequestDesc = new HttpGetRequestDesc(request.Url);
// httpRequestDesc.Headers = request.SerialiseHeaders();
//
// var httpRequest = new HttpGetRequest(httpRequestDesc);
// m_httpSystem.SendRequest(httpRequest, (HttpGetRequest receivedHttpRequest, HttpResponse httpResponse) =>
// {
// ReleaseAssert.IsTrue(httpRequest == receivedHttpRequest, "Received response for wrong request.");
//
// var serverResponse = new ServerResponse(httpResponse);
// callback(request, serverResponse);
// });
// }
});
}
/// <summary>
/// Deserialised a map from a Json compatible IDictionary. A callback is provided
/// for deserialising each element in the IDictionary.
/// </summary>
///
/// <param name="map">The map to be deserialised.</param>
/// <param name="elementCallback">The callback for deserialising the elements in the map.</param>
///
/// <returns>The deserialised map.</returns>
public static ReadOnlyDictionary <string, TType> DeserialiseMap <TType>(IDictionary <string, object> map, Func <object, TType> elementCallback)
{
var output = new Dictionary <string, TType>();
foreach (var entry in map)
{
if (entry.Value == null)
{
output.Add(entry.Key, default(TType));
}
else
{
ReleaseAssert.IsTrue(entry.Value is bool || entry.Value is int || entry.Value is long || entry.Value is float || entry.Value is string || entry.Value == null ||
entry.Value is IList <object> || entry.Value is IDictionary <string, object>, "Serialised element must be a valid Json type.");
var deserialisedObj = elementCallback(entry.Value);
ReleaseAssert.IsNotNull(deserialisedObj, "Deserialised list elements should not be null.");
output.Add(entry.Key, deserialisedObj);
}
}
return(new ReadOnlyDictionary <string, TType>(output));
}
/// <summary>
/// Initializes a new instance of the HTTP system with the given task
/// scheduler.
/// </summary>
///
/// <param name="taskScheduler">The task scheduler.</param>
public HttpSystem(TaskScheduler taskScheduler)
{
ReleaseAssert.IsTrue(taskScheduler != null, "The task scheduler in a HTTP request system must not be null.");
m_taskScheduler = taskScheduler;
}
/// <summary>
/// <para>The coroutine for processing the HTTP request. This will yield until the
/// request has completed then parse the information required by a HTTP response
/// from the WWW object.</para>
/// </summary>
///
/// <returns>The coroutine enumerator.</returns>
///
/// <param name="www">The WWW object.</param>
/// <param name="callback">The callback providing the response from the server.</param>
private IEnumerator ProcessRequest(WWW www, Action <HttpResponse> callback)
{
ReleaseAssert.IsTrue(www != null, "The WWW must not be null when sending a request.");
ReleaseAssert.IsTrue(callback != null, "The callback must not be null when sending a request.");
yield return(www);
HttpResponseDesc desc = null;
if (string.IsNullOrEmpty(www.error))
{
ReleaseAssert.IsTrue(www.responseHeaders != null, "A successful HTTP response must have a headers object.");
desc = new HttpResponseDesc(HttpResult.Success);
desc.Headers = new Dictionary <string, string>(www.responseHeaders);
if (www.bytes != null)
{
desc.Body = www.bytes;
}
var httpStatus = www.responseHeaders ["STATUS"];
ReleaseAssert.IsTrue(!string.IsNullOrEmpty(httpStatus), "A successful HTTP response must have a HTTP status value in the header.");
desc.HttpResponseCode = ParseHttpStatus(httpStatus);
}
else
{
var bytes = www.bytes;
int httpResponseCode = 0;
#if UNITY_IPHONE && !UNITY_EDITOR
var text = www.text;
if (!string.IsNullOrEmpty(text))
{
var bodyDictionary = Json.Deserialize(text) as Dictionary <string, object>;
if (bodyDictionary != null && bodyDictionary.ContainsKey("HttpCode"))
{
httpResponseCode = Convert.ToInt32(bodyDictionary ["HttpCode"]);
bytes = Encoding.UTF8.GetBytes(text);
}
}
#else
httpResponseCode = ParseHttpError(www.error);
#endif
if (httpResponseCode != 0)
{
desc = new HttpResponseDesc(HttpResult.Success);
desc.Headers = new Dictionary <string, string>(www.responseHeaders);
if (www.bytes != null)
{
desc.Body = www.bytes;
}
desc.HttpResponseCode = httpResponseCode;
}
else
{
desc = new HttpResponseDesc(HttpResult.CouldNotConnect);
}
}
HttpResponse response = new HttpResponse(desc);
m_taskScheduler.ScheduleBackgroundTask(() =>
{
callback(response);
});
}
/// <summary>
/// Adds a new value to the dictionary description.
/// </summary>
///
/// <param name="key">The key this value should be stored under.</param>
/// <param name="value">The value which should be added.</param>
public MultiTypeDictionaryBuilder Add(string key, MultiTypeValue value)
{
ReleaseAssert.IsFalse(m_dictionary.ContainsKey(key), "Dictionary already contains the key '" + key + "'");
m_dictionary.Add(key, value);
return(this);
}
