//unity www的设计是：new出来的瞬间，请求就立即发起了
//由于排队的需求，只能推迟new的时机
private void BeginRequest(WWWRequest req)
{
WWW www = null;
switch (req.Type)
{
case RequestType.Login:
www = new WWW(req.Url, req.Data);
break;
case RequestType.Get:
www = new WWW(req.Url, null, req.Headers);
break;
case RequestType.Post:
www = new WWW(req.Url, req.Data, req.Headers);
break;
default:
InfoTips.LogWarning("undefined type: " + req.Type.ToString());
break;
}
req.RawWWW = www;
req.StartTime = DateTime.Now;
sendingRequests.Add(requestIdGen++, req);
}
public void Post(string resource, string jsonString, OnHttpResponse callback)
{
var fullURL = GetHttpPrefix() + resource;
var headers = GetAuthHeader();
headers.Add("Content-Type", "application/json");
var postJson = jsonString;//.ToString();
InfoTips.LogInfo("[HttpPost] " + fullURL);
InfoTips.LogInfo("postJson:" + postJson + "--Headers:" + headers);
var formData = Encoding.UTF8.GetBytes(jsonString);
var req = new WWWRequest()
{
Data = formData,
Headers = headers,
RespCallback = RespWrapper(callback),
Type = RequestType.Post,
Url = fullURL
};
waitingRequests.Enqueue(req);
}
private static byte[] GetMultipartFormData(Dictionary <string, object> postParameters, string boundary)
{
Stream formDataStream = new System.IO.MemoryStream();
bool needsCLRF = false;
foreach (var param in postParameters)
{
// Thanks to feedback from commenters, add a CRLF to allow multiple parameters to be added.
// Skip it on the first parameter, add it to subsequent parameters.
if (needsCLRF)
{
formDataStream.Write(encoding.GetBytes("\r\n"), 0, encoding.GetByteCount("\r\n"));
}
needsCLRF = true;
if (param.Value is FileParameter)
{
FileParameter fileToUpload = (FileParameter)param.Value;
// Add just the first part of this param, since we will write the file data directly to the Stream
string header = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\"\r\nContent-Type: {3}\r\n\r\n",
boundary,
param.Key,
fileToUpload.FileName ?? param.Key,
fileToUpload.ContentType ?? "application/octet-stream");
//UnityEngine.InfoTips.LogInfo(header);
formDataStream.Write(encoding.GetBytes(header), 0, encoding.GetByteCount(header));
// Write the file data directly to the Stream, rather than serializing it to a string.
formDataStream.Write(fileToUpload.File, 0, fileToUpload.File.Length);
}
else
{
string postData = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\n\r\n{2}",
boundary,
param.Key,
param.Value);
formDataStream.Write(encoding.GetBytes(postData), 0, encoding.GetByteCount(postData));
}
}
// Add the end of the request. Start with a newline
string footer = "\r\n--" + boundary + "--\r\n";
formDataStream.Write(encoding.GetBytes(footer), 0, encoding.GetByteCount(footer));
// Dump the Stream into a byte[]
formDataStream.Position = 0;
byte[] formData = new byte[formDataStream.Length];
formDataStream.Read(formData, 0, formData.Length);
formDataStream.Close();
InfoTips.LogInfo(Encoding.UTF8.GetString(formData) + "");
return(formData);
}
private void LoadNext()
{
var mat = toLoadMats[0];
var matCopy = mat;
InfoTips.LogInfo("材质AB包URL：" + mat.url);
HttpGetAb(mat.url, ab =>
{
StartCoroutine(LoadProceduralMaterial(ab, matCopy, null));
});
}
/// <summary>
/// cache item
/// </summary>
/// <param name="matName"></param>
/// <returns></returns>
public MatCacheItem GetByName(string matName)
{
if (items.ContainsKey(matName))
{
return(items[matName]);
}
else
{
InfoTips.LogWarning("找不到该材质：" + matName);
return(null);
}
}
/// <summary>
/// info
/// </summary>
/// <param name="tagName"></param>
/// <returns></returns>
public List <MatCacheItem> GetByTag(string tagName)
{
if (itemsByTag.ContainsKey(tagName))
{
return(itemsByTag[tagName]);
}
else
{
InfoTips.LogWarning("找不到该材质：" + tagName);
return(null);
}
}
public void RemoveCache()
{
var allCacheFiles = Directory.GetFiles(CacheFolder);
var count = 0;
foreach (var file in allCacheFiles)
{
File.Delete(file);
count++;
}
InfoTips.LogInfo("[Http] Remove total:" + count.ToString() + " cache files");
}
/// <summary>
/// load单个材质，保证每个回调都必然被调用
/// </summary>
public void LoadMat(string matName, Action <MatCacheItem> callback)
{
if (items.ContainsKey(matName))
{
callback(items[matName]);
return;
}
//幸好不是真正的多线程
if (loadCallbacksCache.ContainsKey(matName))
{
loadCallbacksCache[matName].Add(callback);
return;
}
var found = false;
foreach (var item in AllMatInfo)
{
if (item.name == matName)
{
found = true;
HttpGetAb(item.url, ab =>
{
StartCoroutine(LoadProceduralMaterial(ab, item, cacheItem =>
{
var callbackList = loadCallbacksCache[matName];
foreach (var cb in callbackList)
{
cb(cacheItem);
}
}));
});
loadCallbacksCache.Add(matName, new List <Action <MatCacheItem> >()
{
callback
});
break;
}
}
if (!found)
{
InfoTips.LogWarning(matName + "not found");
callback(null);
}
}
//需要解json
private HttpResp GenerateResp(WWW www)
{
if (www == null)
{
return(GenTimeoutResp());
}
var resp = new HttpResp();
if (!string.IsNullOrEmpty(www.error))
{
resp.Error = HttpResp.ErrorType.NetworkError;
resp.ErrorText = www.error;
}
else
{
try
{
var respJson = JsonUtility.FromJson <JsonBase>(www.text);
if (respJson.error == EXPIRED_ERROR)
{
resp.Error = HttpResp.ErrorType.AccessExpired;
resp.ErrorText = resp.Error.ToString();
}
else if (!string.IsNullOrEmpty(respJson.error))
{
resp.Error = HttpResp.ErrorType.LogicError;
resp.ErrorText = respJson.error;
}
else
{
resp.Error = HttpResp.ErrorType.None;
}
}
catch (Exception e)
{
InfoTips.LogWarning("parse json error: " + e.ToString());
resp.Error = HttpResp.ErrorType.JsonError;
resp.ErrorText = e.ToString();
}
}
resp.WwwText = www.text;
return(resp);
}
/// <summary>
/// 普通get
/// </summary>
public void Get(string resource, NameValueCollection query, OnHttpResponse callback)
{
var fullURL = GetHttpPrefix() + resource + QueryToString(query);
InfoTips.LogInfo("[HttpGet] " + fullURL);
var req = new WWWRequest()
{
Data = null,
Headers = GetAuthHeader(),
RespCallback = RespWrapper(callback),
Type = RequestType.Get,
Url = fullURL
};
waitingRequests.Enqueue(req);
}
private void GetRaw(string resource, NameValueCollection query, Action <WWW> callback)
{
var fullURL = resource + QueryToString(query);
InfoTips.LogInfo("[HttpPrivateGet] " + fullURL);
var req = new WWWRequest()
{
Data = null,
Headers = GetAuthHeader(),
RespCallback = callback,
Type = RequestType.Get,
Url = fullURL
};
waitingRequests.Enqueue(req);
}
private void HttpGetAb(string url, Action <AssetBundle> callback)
{
WWWManager.Instance.GetFile(url, LocalCacheEntry.CacheType.AssetBundle, (resp, entry) =>
{
if (resp.Error != HttpResp.ErrorType.None)
{
if (OnLoadError != null)
{
OnLoadError(url);
}
InfoTips.LogWarning("Get Material AssetBundle Error: " + resp.ToString());
}
else
{
callback(entry.AB);
}
});
}
private void HttpGetAllMats(Action <List <MaterialInfo> > callback, string tags = "")
{
WWWManager.Instance.Get("meterials/search", new NameValueCollection()
{
{ "tags", tags }
}, resp =>
{
if (resp.Error != HttpResp.ErrorType.None)
{
if (OnLoadError != null)
{
OnLoadError("");
}
InfoTips.LogWarning("Get Material Error: " + resp.ToString());
}
else
{
var mats = JsonUtility.FromJson <MaterialInfoCollection>(resp.WwwText);
callback(mats.data);
}
});
}
/// <summary>
/// 带本地缓存的http文件获取
/// 本地版本实际上是同步，网络版本是异步</summary>
/// <param name="url"></param>
/// <param name="type"></param>
/// <param name="callback"></param>
/// <param name="fromQY">是否是从青云服务器上下载，区别于：百度API获取街景</param>
public void GetFile(string url, LocalCacheEntry.CacheType type, OnHttpGetFileResponse callback, bool fromQY = true)
{
if (string.IsNullOrEmpty(url))
{
throw new ArgumentNullException("Attempt to getfile from an empty URL");
}
// 文件缓存之后的文件名
var local = URLToLocalPath(url);
InfoTips.LogInfo("[GetFile] related local path:" + local);
// 缓存中已经存在
if (File.Exists(local))
{
InfoTips.LogInfo("[GetFile] load from local");
var fakeResp = new HttpResp();
fakeResp.Error = HttpResp.ErrorType.None;
fakeResp.WwwText = "";
switch (type)
{
case LocalCacheEntry.CacheType.Texture:
var tex = new Texture2D(2, 2);
var imgBytes = File.ReadAllBytes(local);
tex.LoadImage(imgBytes);
callback(fakeResp, new LocalCacheEntry()
{
Type = LocalCacheEntry.CacheType.Texture,
Texture = tex
});
break;
case LocalCacheEntry.CacheType.Fbx:
callback(fakeResp, new LocalCacheEntry()
{
Type = LocalCacheEntry.CacheType.Fbx,
FbxPath = local
});
break;
case LocalCacheEntry.CacheType.AssetBundle:
var ab = AssetBundle.LoadFromFile(local);
callback(fakeResp, new LocalCacheEntry()
{
Type = LocalCacheEntry.CacheType.AssetBundle,
AB = ab
});
break;
case LocalCacheEntry.CacheType.Raw:
var bytes = File.ReadAllBytes(local);
callback(fakeResp, new LocalCacheEntry()
{
Type = LocalCacheEntry.CacheType.Raw,
Bytes = bytes
});
break;
default:
break;
}
}
else
{
InfoTips.LogInfo("[GetFile] load from remote");
string realUrl;
NameValueCollection query;
if (fromQY)
{
realUrl = GetHttpPrefix() + "entities/download";
query = new NameValueCollection()
{
{ "path", url }
};
}
else
{
realUrl = url;
query = null;
}
GetRaw(realUrl, query, www =>
{
var resp = GenerateGetfileResp(www);
if (resp.Error != HttpResp.ErrorType.None)
{
callback(resp, null);
}
else
{
//write cache
//TODO: more scientific way: async
var localPath = URLToLocalPath(url);
if (localPath.Length > 250)
{
throw new IOException("localpath length overflowwww!!!");
}
File.WriteAllBytes(localPath, www.bytes);
switch (type)
{
case LocalCacheEntry.CacheType.Texture:
callback(resp, new LocalCacheEntry()
{
Type = LocalCacheEntry.CacheType.Texture,
Texture = www.texture
});
break;
case LocalCacheEntry.CacheType.Fbx:
callback(resp, new LocalCacheEntry()
{
Type = LocalCacheEntry.CacheType.Fbx,
FbxPath = localPath
});
break;
case LocalCacheEntry.CacheType.AssetBundle:
callback(resp, new LocalCacheEntry()
{
Type = LocalCacheEntry.CacheType.AssetBundle,
AB = www.assetBundle
});
break;
case LocalCacheEntry.CacheType.Raw:
callback(resp, new LocalCacheEntry()
{
Type = LocalCacheEntry.CacheType.Raw,
Bytes = www.bytes
});
break;
default:
break;
}
}
});
}
}
private IEnumerator LoadProceduralMaterial(AssetBundle ab, MaterialInfo matInfo, Action <MatCacheItem> loadDone)
{
if (ab == null)
{
yield break;
}
var pm = ab.LoadAllAssets <ProceduralMaterial>()[0];
if (!pm.isProcessing && autoRebuild)
{
pm.RebuildTextures();
}
while (pm.isProcessing)
{
yield return(new WaitForEndOfFrame());
}
InfoTips.LogInfo(pm.name + " material build done");
// previewer.gameObject.SetActive(true);
var item = new MatCacheItem();
item.MatName = matInfo.name;
item.Info = matInfo;
item.Material = pm;
item.Loaded = true;
items.Add(item.MatName, item);
//cache mat items by tag
foreach (var tag in matInfo.Tags)
{
if (itemsByTag.ContainsKey(tag))
{
itemsByTag[tag].Add(item);
}
else
{
itemsByTag.Add(tag, new List <MatCacheItem>()
{
item
});
}
}
// previewer.gameObject.SetActive(false);
//可能单个加载
if (toLoadMats.Contains(matInfo))
{
toLoadMats.Remove(matInfo);
}
if (loadDone != null)
{
loadDone(item);
}
if (toLoadMats.Count > 0)
{
LoadNext();
}
else
{
// Debug.Log("load done ----------------------------------------------------------");
}
}
/// <summary>
/// 网络请求发动机
/// </summary>
/// <returns></returns>
private IEnumerator MainLoop()
{
while (true)
{
yield return(new WaitForEndOfFrame());
var now = DateTime.Now;
//handle response
if (sendingRequests.Count > 0)
{
// 已经发起过的RawWWW
var disposableKeys = new List <int>();
foreach (var key in sendingRequests.Keys)
{
var sendingOne = sendingRequests[key];
var www = sendingOne.RawWWW;
var isTimeout = false;
if (!www.isDone)
{
var cost = (now - sendingOne.StartTime).TotalMilliseconds;
//timeout
if (cost > TimeOut * 1000)
{
sendingOne.RespCallback(null);
isTimeout = true;
InfoTips.LogInfo("Timeout cost: " + cost.ToString());
}
else
{
// www没有下载完，也没超时，那就继续
continue;
}
}
// www，没有完成，但是超时
if (!isTimeout)
{
if (www.error != null)
{
InfoTips.LogInfo(www.error);
sendingOne.RespCallback(www);
}
else //not timeout & isdone
{
InfoTips.LogInfo("[HttpResp] " + www.text);
sendingOne.RespCallback(www);
}
}
// 既然能走到这里，说明www已经完成
www.Dispose();
disposableKeys.Add(key);
}
foreach (var key in disposableKeys)
{
sendingRequests.Remove(key);
}
}
//do send
var availableCount = concurrentLimit - sendingRequests.Count;
// 当前发起请求数，没有超过阈值，从等待队列中选
if (availableCount > 0 && waitingRequests.Count > 0)
{
//one packet per frame
var req = waitingRequests.Dequeue();
BeginRequest(req);
}
}
}
void Awake()
{
IsOnlySaveOnePage = IsEnable = true;
IsVisible = true;
onlyOne = this;
}
