void SendMessage(string strGroupName, string strText)
{
this.EnableControls(false);
List <MessageRecord> messages = new List <MessageRecord>();
MessageRecord record = new MessageRecord();
record.groups = new string [1] {
strGroupName
};
record.data = strText;
messages.Add(record);
SetMessageRequest param = new SetMessageRequest("create",
"",
messages);
SetMessageResult result = Program.MainForm.MessageHub.SetMessageAsync(param).Result;
if (result.Value == -1)
{
this.Invoke((Action)(() => MessageBox.Show(this, result.ErrorInfo)));
}
else
{
// 调用成功后才把输入的文字清除
this.Invoke((Action)(() => this.textBox_input.Text = ""
));
}
this.EnableControls(true);
}
/// <summary>
/// 删除消息
/// </summary>
/// <param name="records"></param>
/// <param name="strGroupName"></param>
/// <returns>
/// true 成功
/// false 失败
/// </returns>
bool DeleteMessage(List <MessageRecord> records)
{
List <MessageRecord> delete_records = new List <MessageRecord>();
foreach (MessageRecord source in records)
{
MessageRecord record = new MessageRecord();
// 2016-6-20 jane 不需要传group参数
record.groups = dp2WeiXinService.C_Group_PatronNotity.Split(new char[] { ',' });
record.id = source.id;
delete_records.Add(record);
}
string strError = "";
// CancellationToken cancel_token = new CancellationToken();
try
{
MessageConnection connection = this.Channels.GetConnectionTaskAsync(
this.Url,
dp2WeiXinService.C_ConnName_TraceMessage).Result;
SetMessageRequest param = new SetMessageRequest("expire",
"dontNotifyMe",
delete_records);//records);这里应该用delete_records吧，用records好像也没错
CancellationToken cancel_token = new CancellationToken();
SetMessageResult result = connection.SetMessageTaskAsync(param,
new TimeSpan(0, 1, 0),
cancel_token).Result;
if (result.Value == -1)
{
strError = result.ErrorInfo;
goto ERROR1;
}
}
catch (AggregateException ex)
{
strError = MessageConnection.GetExceptionText(ex);
goto ERROR1;
}
catch (Exception ex)
{
strError = ex.Message;
goto ERROR1;
}
return(true);
ERROR1:
dp2WeiXinService.Instance.WriteErrorLog("DeleteMessage() error : " + strError);
//this.WriteLog("DeleteMessage() error : " + strError, dp2WeiXinService.C_LogLevel_1);
return(false);
}
// return:
// false 出错
// true 成功
bool SendMessage(
MessageConnection connection,
string strGroupName,
string[] texts)
{
string strError = "";
List <MessageRecord> records = new List <MessageRecord>();
foreach (string text in texts)
{
MessageRecord record = new MessageRecord();
record.groups = strGroupName.Split(new char[] { ',' });
record.creator = ""; // 服务器会自己填写
record.data = text;
record.format = "text";
record.type = "message";
record.thread = "";
record.expireTime = new DateTime(0); // 表示永远不失效
records.Add(record);
}
try
{
SetMessageRequest param = new SetMessageRequest("create",
"",
records);
SetMessageResult result = connection.SetMessageTaskAsync(param, new CancellationToken()).Result;
if (result.Value == -1)
{
strError = result.ErrorInfo;
goto ERROR1;
}
return(true);
}
catch (AggregateException ex)
{
strError = MessageConnection.GetExceptionText(ex);
goto ERROR1;
}
catch (Exception ex)
{
strError = ex.Message;
goto ERROR1;
}
ERROR1:
this.Invoke((Action)(() => MessageBox.Show(this, strError)));
return(false);
}
// 发送心跳消息给 dp2mserver
/*
* <root>
* <type>patronNotify</type>
* <recipient>R0000001@LUID:62637a12-1965-4876-af3a-fc1d3009af8a</recipient>
* <mime>xml</mime>
* <body>...</body>
* </root>
*
* */
public bool SendHeartBeat()
{
if (this.MessageConnection == null || this.MessageConnection.ConnectState != Microsoft.AspNet.SignalR.Client.ConnectionState.Connected)
{
return(false);
}
try
{
XmlDocument dom = new XmlDocument();
dom.LoadXml("<root><type>heartbeat</type></root>");
MessageRecord record = new MessageRecord();
record.groups = new string[1] {
"gn:_patronNotify"
}; // gn 表示 group name
record.data = dom.DocumentElement.OuterXml;
record.format = "xml";
List <MessageRecord> records = new List <MessageRecord> {
record
};
DigitalPlatform.Message.SetMessageRequest param =
new DigitalPlatform.Message.SetMessageRequest("create",
"dontNotifyMe",
records);
SetMessageResult result = this.MessageConnection.SetMessageTaskAsync(param,
_cancel.Token).Result;
if (result.Value == -1)
{
this.WriteErrorLog("Instance.SendHeartBeat() 中 SetMessageAsync() [heartbeat] 出错: " + result.ErrorInfo);
if (result.String == "_connectionNotFound")
{
Task.Run(() => TryResetConnection(/*result.String*/));
}
return(false);
}
return(true);
}
catch (ThreadAbortException)
{
return(false);
}
catch (Exception ex)
{
this.WriteErrorLog("Instance.SendHeartBeat() 出现异常: " + ExceptionUtil.GetDebugText(ex));
return(false);
}
}
void DeleteMessage(List <MessageRecord> records,
string strGroupName)
{
List <MessageRecord> delete_records = new List <MessageRecord>();
foreach (MessageRecord source in records)
{
MessageRecord record = new MessageRecord();
record.groups = strGroupName.Split(new char[] { ',' });
record.id = source.id;
delete_records.Add(record);
}
string strError = "";
// CancellationToken cancel_token = new CancellationToken();
try
{
MessageConnection connection = this.Channels.GetConnectionTaskAsync(
this.Url,
"").Result;
SetMessageRequest param = new SetMessageRequest("expire",
"dontNotifyMe",
records);
SetMessageResult result = connection.SetMessageTaskAsync(param, new CancellationToken()).Result;
if (result.Value == -1)
{
goto ERROR1;
}
}
catch (AggregateException ex)
{
strError = MessageConnection.GetExceptionText(ex);
goto ERROR1;
}
catch (Exception ex)
{
strError = ex.Message;
goto ERROR1;
}
return;
ERROR1:
WriteErrorLog("DeleteMessage() error : " + strError);
}
// 对于 .data 超过 chunk_size 的情况可以自动切割为多次发送请求
public async Task <SetMessageResult> SetMessageAsyncLite(
SetMessageRequest request)
{
// 请求结构中如果具备了 TaskID 值，说明调主想自己控制拼接过程，那这里就直接发送出去
if (string.IsNullOrEmpty(request.TaskID) == false)
{
return(await TrySetMessageAsync(request).ConfigureAwait(false));
}
int chunk_size = 4096;
int length = GetLength(request);
if (length < chunk_size)
{
return(await TrySetMessageAsync(request));
}
SetMessageResult result = null;
foreach (MessageRecord record in request.Records)
{
string taskID = Guid.NewGuid().ToString();
string data = record.data;
int send = 0;
for (; ;)
{
SetMessageRequest current_request = new SetMessageRequest();
current_request.TaskID = taskID;
current_request.Style = request.Style;
current_request.Action = request.Action;
current_request.Records = new List <MessageRecord>();
MessageRecord current_record = new MessageRecord();
// TODO: 除了第一次请求外，其它的都只要 .data 成员具备即可
current_record.CopyFrom(record);
current_record.data = data.Substring(send, Math.Min(chunk_size, data.Length - send));
current_request.Records.Add(current_record);
// 这一次就是最后一次
if (send + current_record.data.Length >= data.Length)
{
MessageRecord tail_record = new MessageRecord();
tail_record.data = null; // 表示结束
current_request.Records.Add(tail_record);
}
// TODO:
#if NO
result = await HubProxy.Invoke <SetMessageResult>(
"SetMessage",
current_request);
#endif
result = await TrySetMessageAsync(current_request).ConfigureAwait(false);
if (result.Value == -1)
{
return(result); // 中途出错了
}
send += current_record.data.Length;
if (send >= data.Length)
{
break;
}
}
}
return(result); // 返回最后一次请求的 result 值
}
public void Notify()
{
// TODO: 要增加判断，防止过分频繁地被调用
this.MessageConnection.CleanWebDataTable();
if (this.dp2library.DefaultQueue == "!api")
{
try
{
if (this.MessageConnection.ConnectState != Microsoft.AspNet.SignalR.Client.ConnectionState.Connected)
{
return;
}
MessageData[] messages = null;
string strError = "";
int nRet = this.MessageConnection.GetMsmqMessage(
out messages,
out strError);
if (nRet == -1)
{
this.WriteErrorLog("Instance.Notify() 中 GetMsmqMessage() 出错: " + strError);
return;
}
if (messages != null)
{
foreach (MessageData data in messages)
{
MessageRecord record = new MessageRecord();
record.groups = new string[1] {
"gn:_patronNotify"
}; // gn 表示 group name
record.data = (string)data.strBody;
record.format = "xml";
List <MessageRecord> records = new List <MessageRecord> {
record
};
DigitalPlatform.Message.SetMessageRequest param =
new DigitalPlatform.Message.SetMessageRequest("create",
"dontNotifyMe",
records);
SetMessageResult result = this.MessageConnection.SetMessageTaskAsync(param,
_cancel.Token).Result;
if (result.Value == -1)
{
this.WriteErrorLog("Instance.Notify() 中 SetMessageAsync() 出错: " + result.ErrorInfo);
return;
}
}
nRet = this.MessageConnection.RemoveMsmqMessage(
messages.Length,
out strError);
if (nRet == -1)
{
this.WriteErrorLog("Instance.Notify() 中 RemoveMsmqMessage() 出错: " + strError);
return;
}
}
this._notifyThread.Activate();
return;
}
catch (ThreadAbortException)
{
return;
}
catch (Exception ex)
{
this.WriteErrorLog("Instance.Notify() 出现异常1: " + ExceptionUtil.GetDebugText(ex));
}
}
// 如果第一次初始化 Queue 没有成功，这里再试探初始化
InitialQueue(false);
// 进行通知处理
if (_queue != null &&
this.MessageConnection.ConnectState == Microsoft.AspNet.SignalR.Client.ConnectionState.Connected)
{
try
{
ServerInfo._recordLocks.LockForWrite(this._queue.Path);
}
catch (ApplicationException)
{
// 超时了
return;
}
bool bSucceed = false;
try
{
MessageEnumerator iterator = _queue.GetMessageEnumerator2();
while (iterator.MoveNext())
{
Message message = iterator.Current;
MessageRecord record = new MessageRecord();
record.groups = new string[1] {
"gn:_patronNotify"
}; // gn 表示 group name
record.data = (string)message.Body;
record.format = "xml";
List <MessageRecord> records = new List <MessageRecord> {
record
};
int length = record.data.Length;
DigitalPlatform.Message.SetMessageRequest param =
new DigitalPlatform.Message.SetMessageRequest("create",
"dontNotifyMe",
records);
SetMessageResult result = this.MessageConnection.SetMessageTaskAsync(param,
_cancel.Token).Result;
if (result.Value == -1)
{
this.WriteErrorLog("Instance.Notify() 中 SetMessageAsync() 出错: " + result.ErrorInfo);
if (result.String == "_connectionNotFound")
{
Task.Run(() => TryResetConnection(/*result.String*/));
}
return;
}
// http://stackoverflow.com/questions/21864043/with-messageenumerator-removecurrent-how-do-i-know-if-i-am-at-end-of-queue
try
{
iterator.RemoveCurrent();
}
finally
{
iterator.Reset();
}
}
bSucceed = true;
}
catch (ThreadAbortException)
{
return;
}
catch (MessageQueueException ex)
{
// 记入错误日志
// Program.WriteWindowsLog("Instance.Notify() 出现异常: " + ExceptionUtil.GetDebugText(ex));
this.WriteErrorLog("Instance.Notify() 出现异常: " + ExceptionUtil.GetDebugText(ex));
// Thread.Sleep(5 * 1000); // 拖延 5 秒
}
catch (InvalidCastException ex)
{
// 记入错误日志
// Program.WriteWindowsLog("Instance.Notify() 出现异常: " + ExceptionUtil.GetDebugText(ex));
this.WriteErrorLog("Instance.Notify() 出现异常: " + ExceptionUtil.GetDebugText(ex));
// Thread.Sleep(5 * 1000); // 拖延 5 秒
}
catch (Exception ex)
{
// 记入错误日志
// Program.WriteWindowsLog("Instance.Notify() 出现异常: " + ExceptionUtil.GetDebugText(ex));
this.WriteErrorLog("Instance.Notify() 出现异常: " + ExceptionUtil.GetDebugText(ex));
// Thread.Sleep(5 * 1000); // 拖延 5 秒
}
finally
{
ServerInfo._recordLocks.UnlockForWrite(this._queue.Path);
// 只有当发送到 dp2mserver 成功的情况下才立即重新监控最新 MQ
// 否则就等下一轮 Worker() 来处理
if (bSucceed == true)
{
// _queue.BeginPeek(new TimeSpan(0, 1, 0), null, OnMessageAdded);
BeginPeek();
}
}
}
}
