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Upload Helper

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This commit is contained in:
Afshin Arani 2016-10-14 11:45:33 +03:30
parent 23e647e81c
commit 79b02b9295
2 changed files with 207 additions and 86 deletions
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120
TLSharp.Core/Requests/UploadHelper.cs Normal file
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@ -0,0 +1,120 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using TeleSharp.TL;
using TeleSharp.TL.Upload;
namespace TLSharp.Core.Requests
{
public class UploadHelper
{
public static async Task<TLAbsInputFile> Uploader(string name,StreamReader reader,TelegramClient client)
{
if (reader.BaseStream.Length < 10 * 1024 * 1024)
return await SmallFileUpload(name, reader, client);
else
return await BigFileUpload(name, reader, client);
}
private static async Task<TLInputFile> SmallFileUpload(string name, StreamReader reader, TelegramClient client)
{
var file = new byte[reader.BaseStream.Length];
reader.BaseStream.Read(file, 0, (int)reader.BaseStream.Length);
string hash;
using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
{
hash = Convert.ToBase64String(md5.ComputeHash(file));
}
reader = null;
var stream = new MemoryStream(file);
Queue<byte[]> parts = new Queue<byte[]>();
while (!(stream.Position == stream.Length))
{
if ((stream.Length - stream.Position) > 512 *1024)
{
byte[] temp = new byte[512];
stream.Read(temp, 0, 512 * 1024);
parts.Enqueue(temp);
}
else
{
byte[] temp = new byte[512];
stream.Read(temp, 0, (int)(stream.Length - stream.Position));
parts.Enqueue(temp);
}
}
stream = null;
GC.Collect();
int partnumber = 0;
long file_id = BitConverter.ToInt64(RandomByteArray(8), 0);
while (parts.Count != 0)
{
var part = parts.Dequeue();
TLRequestSaveFilePart save = new TLRequestSaveFilePart();
save.file_id = file_id;
save.file_part = partnumber;
save.bytes = part;
await client.SendRequestAsync<bool>(save);
partnumber++;
}
TLInputFile returnFile = new TLInputFile();
returnFile.id = file_id;
returnFile.name = name;
returnFile.parts = parts.Count;
returnFile.md5_checksum = hash;
return returnFile;
}
private static async Task<TLInputFileBig> BigFileUpload(string name, StreamReader reader, TelegramClient client)
{
var file = new byte[reader.BaseStream.Length];
reader.BaseStream.Read(file, 0, (int)reader.BaseStream.Length);
reader = null;
var stream = new MemoryStream(file);
Queue<byte[]> parts = new Queue<byte[]>();
while (!(stream.Position == stream.Length))
{
if ((stream.Length - stream.Position) > 512 * 1024)
{
byte[] temp = new byte[512];
stream.Read(temp, 0, 512 * 1024);
parts.Enqueue(temp);
}
else
{
byte[] temp = new byte[512];
stream.Read(temp, 0, (int)(stream.Length - stream.Position));
parts.Enqueue(temp);
}
}
stream = null;
GC.Collect();
int partnumber = 0;
long file_id = BitConverter.ToInt64(RandomByteArray(8), 0);
while (parts.Count != 0)
{
var part = parts.Dequeue();
TLRequestSaveBigFilePart save = new TLRequestSaveBigFilePart();
save.file_id = file_id;
save.file_part = partnumber;
save.bytes = part;
save.file_total_parts = parts.Count;
await client.SendRequestAsync<bool>(save);
partnumber++;
}
TLInputFileBig returnFile = new TLInputFileBig();
returnFile.id = file_id;
returnFile.name = name;
returnFile.parts = parts.Count;
return returnFile;
}
private static byte[] RandomByteArray(int count)
{
var temp = new byte[count];
Random random = new Random();
random.NextBytes(temp);
return temp;
}
}
}

1
TLSharp.Core/TLSharp.Core.csproj
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@ -63,6 +63,7 @@
<Compile Include="Network\TcpTransport.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Requests\AckRequest.cs" />
<Compile Include="Requests\UploadHelper.cs" />
<Compile Include="Session.cs" />
<Compile Include="TelegramClient.cs" />
<Compile Include="Utils\Helpers.cs" />