private static IEnumerator _DownloadFile(string url, string savePath,
OnRequestSuccess onDownloadStart,
OnRequestSuccess onFinish,
OnRequestError onError,
OnRequestProgress onProgress)
{
var headRequest = UnityWebRequest.Head(url);
yield return(headRequest.SendWebRequest());
var totalSize = long.Parse(headRequest.GetResponseHeader("Content-Length"));
var fileInfo = new FileInfo(savePath);
if (fileInfo.Exists && fileInfo.Length == totalSize)
{
onFinish?.Invoke(headRequest);
}
else
{
using (var request = new UnityWebRequest(url, UnityWebRequest.kHttpVerbGET))
{
var handler = new DownloadHandlerFileRange(savePath, request);
request.downloadHandler = handler;
onDownloadStart?.Invoke(request);
var asyncOp = request.SendWebRequest();
while (!asyncOp.isDone)
{
yield return(null);
onProgress?.Invoke(asyncOp);
}
if (request.isNetworkError || request.isHttpError)
{
handler.Close();
if (onError != null)
{
Debug.LogWarningFormat("SendRequest Failed:\nresponseCode :{0}\nerror :{1}\nurl:{2}",
request.responseCode, request.error, request.url);
onError(request);
}
else
{
Debug.LogErrorFormat("SendRequest Failed:\nresponseCode :{0}\nerror :{1}\nurl:{2}",
request.responseCode, request.error, request.url);
}
}
else
{
Debug.LogFormat("Finish UnityWebRequest: {0}\nresponseCode :{1}", request.url,
request.responseCode);
onFinish?.Invoke(request);
}
}
}
}
public static void Post(string url, byte[] postBytes, string contentType, OnRequestSuccess onFinish, OnRequestError onError, OnRequestProgress onProgress, int maxRetry = 3, float retryDelay = 1.0f)
{
Instance.StartCoroutine(TrySendRequest(url, (uri) =>
{
UnityWebRequest request = new UnityWebRequest(uri, "POST")
{
uploadHandler = new UploadHandlerRaw(postBytes)
{
contentType = contentType
},
downloadHandler = new DownloadHandlerBuffer()
};
return(request);
}, onFinish, onError, onProgress, maxRetry, retryDelay));
}
public static void DownloadFile(string url, string savePath,
OnRequestSuccess onDownloadStart,
OnRequestSuccess onFinish,
OnRequestError onError,
OnRequestProgress onProgress)
{
string dir = Path.GetDirectoryName(savePath);
if (!string.IsNullOrEmpty(dir) && !Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
Instance.StartCoroutine(_DownloadFile(url, savePath, onDownloadStart, onFinish, onError, onProgress));
}
public static void Download(string url, string savePath, OnRequestSuccess onFinish, OnRequestError onError,
OnRequestProgress onProgress, int maxRetry = 3, float retryDelay = 1.0f)
{
string dir = Path.GetDirectoryName(savePath);
if (!string.IsNullOrEmpty(dir) && !Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
Instance.StartCoroutine(TrySendRequest(url, (uri) =>
{
var uwr = new UnityWebRequest(uri, UnityWebRequest.kHttpVerbGET)
{
downloadHandler = new DownloadHandlerFile(savePath)
};
return(uwr);
}, onFinish, onError, onProgress, maxRetry, retryDelay));
}
public void RequestSuccess()
{
OnRequestSuccess?.Invoke();
}
public static void Get(string url, OnRequestSuccess onFinish, OnRequestError onError, OnRequestProgress onProgress, int maxRetry = 3, float retryDelay = 1.0f)
{
Instance.StartCoroutine(TrySendRequest(url, UnityWebRequest.Get, onFinish, onError, onProgress, maxRetry, retryDelay));
}
private static IEnumerator TrySendRequest(string url, Func <string, UnityWebRequest> requestCreator, OnRequestSuccess onFinish, OnRequestError onError, OnRequestProgress onProgress, int maxRetry, float retryDelay)
{
Debug.LogFormat("Start Send UnityWebRequest: " + url);
int retry = 0;
while (retry++ < maxRetry)
{
using (var request = requestCreator(url))
{
var asyncOp = request.SendWebRequest();
while (!asyncOp.isDone)
{
if (onProgress != null)
{
onProgress(asyncOp);
}
yield return(null);
}
if (request.isNetworkError || request.isHttpError)
{
if (retry >= maxRetry)
{
if (onError != null)
{
Debug.LogWarningFormat("SendRequest Failed:\nresponseCode :{0}\nerror :{1}\nurl:{2}", request.responseCode, request.error, request.url);
onError(request);
}
else
{
Debug.LogErrorFormat("SendRequest Failed:\nresponseCode :{0}\nerror :{1}\nurl:{2}", request.responseCode, request.error, request.url);
}
}
else
{
Debug.LogFormat("Try again url :{0}\ntime :{1}\nresponseCode :{2}\nerror :{3}",
request.url, retry, request.responseCode, request.error);
yield return(new WaitForSeconds(retryDelay));
}
}
else
{
Debug.LogFormat("Finish UnityWebRequest: {0}\nresponseCode :{1}", request.url, request.responseCode);
if (onFinish != null)
{
onFinish(request);
}
break; //success,break retry loop
}
}
}
}
public static void Post(string url, string postData, string contentType, OnRequestSuccess onFinish,
OnRequestError onError, OnRequestProgress onProgress, int maxRetry = 3, float retryDelay = 1.0f)
{
Post(url, Encoding.UTF8.GetBytes(postData), contentType, onFinish, onError, onProgress, maxRetry, retryDelay);
}
public static void PostRaw(string url, string postData, OnRequestSuccess onFinish,
OnRequestError onError, OnRequestProgress onProgress, int maxRetry = 3, float retryDelay = 1.0f)
{
Instance.StartCoroutine(TrySendRequest(url, (uri) => UnityWebRequest.Post(uri, postData), onFinish, onError, onProgress, maxRetry, retryDelay));
}
