internal async Task HttpPostS3Async(string filepath, Signature signature)
{
FileInfo file = new FileInfo(filepath);
if (file.Exists == false)
{
throw new VzaarApiException("File does not exsist: " + filepath);
}
string hostname = (string)signature["upload_hostname"];
//move signature to Dictionary
Dictionary<string, string> postFields = new Dictionary<string, string>();
postFields.Add("x-amz-meta-uploader", Client.UPLOADER + Client.VERSION);
postFields.Add("AWSAccessKeyId", (string)signature["access_key_id"]);
postFields.Add("Signature", (string)signature["signature"]);
postFields.Add("acl", (string)signature["acl"]);
postFields.Add("bucket", (string)signature["bucket"]);
postFields.Add("policy", (string)signature["policy"]);
postFields.Add("success_action_status", (string)signature["success_action_status"]);
string key = (string)signature["key"];
string fileKey = "";
if (String.IsNullOrEmpty(key) == false)
fileKey = key.Replace("${filename}", file.Name);
postFields.Add("key", fileKey);
long? parts = signature["parts"] as long?;
if (parts == null)
{
//upload file in POST form
FileStream fileStream;
using (fileStream = new FileStream(filepath, FileMode.Open, FileAccess.Read))
{
await HttpPostMfdcAsync(hostname, file.Name, postFields, fileStream).ConfigureAwait(false);
// response is validated in the HttpPostMfdcAsync
}
}
else
{
string keyCache = postFields["key"];
long chunk = 0;
if (signature["part_size_in_bytes"] == null)
throw new VzaarApiException("File Upload: not valid 'part_size_in_bytes'");
int chunkSize = Convert.ToInt32((long)signature["part_size_in_bytes"]);
byte[] buffer = new byte[chunkSize];
int bytesCount;
FileStream fileStream;
using (fileStream = new FileStream(filepath, FileMode.Open, FileAccess.Read))
{
while ((bytesCount = await fileStream.ReadAsync(buffer, 0, chunkSize)) != 0)
{
string chunkKey = keyCache + "." + chunk.ToString();
postFields.Remove("key");
postFields.Add("key", chunkKey);
MemoryStream chunkStream;
using (chunkStream = new MemoryStream(buffer, 0, bytesCount))
{
await HttpPostMfdcAsync(hostname, file.Name, postFields, chunkStream);
// response is validated in the HttpPostMfdcAsync
}
VideoUploadProgressEventArgs progress = new VideoUploadProgressEventArgs()
{
totalParts = (long)parts,
uploadedChunk = chunk
};
UploadProgress(this, progress);
chunk++;
}
}
}
}
public static void CheckProgress(object sender, VideoUploadProgressEventArgs progress)
{
Console.WriteLine("Progress: Total Parts: " + progress.totalParts + " Uploaded chunks: " + progress.uploadedChunk);
}
