/// <summary>
/// 指定された時間以前の過去ログを取得する
/// </summary>
/// <param name="data"></param>
/// <param name="cookies"></param>
/// <param name="userId"></param>
/// <param name="when">取得開始時間</param>
/// <param name="resFrom"></param>
/// <returns></returns>
internal static Chat[] ReceiveLog(IMessageServerStatus data, System.Net.CookieContainer cookies, int userId, DateTime when, int resFrom)
{
List<Chat> results = new List<Chat>(1000);
TcpClient tcpClient = null;
try {
Waybackkey key = Waybackkey.GetInstance(data.Thread, cookies);
if (key != null) {
bool timeouted = false;
using (System.Threading.ManualResetEvent m = new System.Threading.ManualResetEvent(false)) {
tcpClient = new TcpClient();
tcpClient.SendTimeout = 1000;
tcpClient.ReceiveTimeout = 1000;
AsyncCallback ac = (AsyncCallback)delegate(IAsyncResult ar)
{
if (!timeouted) {
m.Set();
TcpClient tcp = (TcpClient)ar.AsyncState;
tcp.EndConnect(ar);
}
};
tcpClient.BeginConnect(data.Address, data.Port, ac, tcpClient);
// 既定時間以内に接続できない場合は失敗とする
if (!m.WaitOne(ApiSettings.Default.DefaultConnectionTimeout, false)) {
timeouted = true;
throw new Exception("過去ログ取得：コネクションタイムアウト");
}
}
// NetworkStreamは自動的に開放されないのでusingで囲む
using (NetworkStream ns = tcpClient.GetStream()) {
string msg = String.Format(ApiSettings.Default.WaybackThreadStartMessageFormat, data.Thread, resFrom, Utility.DateTimeToUnixTime(when), key.Value, userId);
byte[] sendBytes = System.Text.Encoding.UTF8.GetBytes(msg + '\0');
ns.Write(sendBytes, 0, sendBytes.Length);
byte[] buffer = new byte[ApiSettings.Default.ReceiveBufferSize];
int last = 0;
//DataAvailableはすべて取得しきる前にfalseを返してしまうので使えない
while (ns.CanRead) {
int b = ns.ReadByte();
if (b == -1) {
break;
}
int i;
for (i = 0; b != (int)'\0' && b != -1 && i < buffer.Length; i++, b = ns.ReadByte()) {
buffer[i] = (byte)b;
}
string block = System.Text.Encoding.UTF8.GetString(buffer, 0, i);
if (block.StartsWith("<chat")) {
Chat chat = null;
try {
chat = new Chat(block);
} catch (Exception ex) {
chat = null;
Logger.Default.LogErrorMessage(ex.Message);
}
if (chat != null) {
results.Add(chat);
// 指定数読み込んだ場合は終了
if (chat.No == last) {
break;
}
}
} else if (block.StartsWith("<thread")) {
ThreadHeader th = new ThreadHeader(block);
last = th.LastRes;
// コメントがない状態ではエラーが発生するのでBreakする
if (last == 0) {
break;
}
}
}
}
}
} catch (System.IO.IOException) {
} catch (Exception ex) {
Logger.Default.LogException(ex);
} finally {
if (tcpClient != null) {
tcpClient.Close();
}
}
return results.ToArray();
}
/// <summary>
/// 放送の過去ログをすべて取得する
/// </summary>
/// <param name="data"></param>
/// <param name="cookies"></param>
/// <param name="userId"></param>
/// <returns></returns>
public static Chat[] ReceiveAllLog(IMessageServerStatus data, System.Net.CookieContainer cookies, int userId)
{
Chat[] results = null;
DateTime when = DateTime.Now;
while (true) {
Chat[] chats = ReceiveLog(data, cookies, userId, when, -1000);
if (0 < chats.Length && results == null) {
results = new Chat[chats[chats.Length - 1].No];
}
for (int i = 0; i < chats.Length; i++) {
results[chats[0].No + i - 1] = chats[i];
}
if (chats.Length != 0) {
if (1 < chats[0].No) {
when = chats[0].Date;
} else {
break;
}
} else {
break;
}
}
return results;
}
/// <summary>
/// 放送の過去ログをすべて取得する
/// </summary>
/// <param name="data"></param>
/// <param name="userId"></param>
/// <returns></returns>
public static Chat[] ReceiveAllLog(IMessageServerStatus data, int userId) {
if (LoginManager.DefaultCookies != null) {
return ReceiveAllLog(data, LoginManager.DefaultCookies, userId);
}
return null;
}
/// <summary>
/// コメント取得を開始する
/// </summary>
/// <param name="data"></param>
/// <param name="resFrom"></param>
/// <returns>成功・失敗</returns>
public bool Connect(IMessageServerStatus data, int resFrom)
{
this.Initialize();
lock (this) {
try {
bool timeouted = false;
using (System.Threading.ManualResetEvent m = new System.Threading.ManualResetEvent(false)) {
_tcpClient = new TcpClient();
_tcpClient.SendTimeout = 1000;
_tcpClient.ReceiveTimeout = 1000;
AsyncCallback ac = (AsyncCallback)delegate(IAsyncResult ar)
{
if (!timeouted) {
m.Set();
TcpClient tcp = (TcpClient)ar.AsyncState;
tcp.EndConnect(ar);
}
};
// 既定時間以上応答が無かった場合はタイムアウト
_tcpClient.BeginConnect(data.Address, data.Port, ac, _tcpClient);
if (!m.WaitOne(ApiSettings.Default.DefaultConnectionTimeout, false)) {
timeouted = true;
throw new Exception("コメント受信：サーバーコネクションタイムアウト");
}
}
string msg = String.Format(ApiSettings.Default.ThreadStartMessageFormat, data.Thread, resFrom);
SendMessge(msg);
NetworkStream ns = _tcpClient.GetStream();
StateObject obj = new StateObject(ApiSettings.Default.ReceiveBufferSize, ns);
ns.BeginRead(obj.Buffer, 0, obj.BufferSize, new AsyncCallback(ReadCallback), obj);
// キャンセルイベントをリセット
// 切断されるまでセットされない
_cancelEvent.Reset();
return true;
} catch (Exception ex) {
Logger.Default.LogException(ex);
}
}
return false;
}