// 获得一个连接
public static async Task <OpenConnectionResult> OpenConnectionAsync(string userNameAndUrl)
{
using (var releaser = await _limit.EnterAsync())
{
P2PConnection connection = _table[userNameAndUrl] as P2PConnection;
if (connection != null)
{
// 尝试连接一次
if (connection.IsDisconnected == true)
{
await EnsureConnectMessageServerAsync(
connection,
userNameAndUrl);
}
return(new OpenConnectionResult
{
Value = 0,
Connection = connection
});
}
var accounts = MessageAccountForm.GetAccounts();
var account = FindAccount(accounts, userNameAndUrl);
if (account == null)
{
return(new OpenConnectionResult
{
Value = -1,
ErrorInfo = $"用户名 '{userNameAndUrl}' 没有找到"
});
}
connection = new P2PConnection();
_table[userNameAndUrl] = connection;
var result = await connection.ConnectAsync(account.ServerUrl,
account.UserName,
account.Password,
"");
if (result.Value == -1)
{
return new OpenConnectionResult
{
Value = -1,
ErrorInfo = result.ErrorInfo,
ErrorCode = result.ErrorCode
}
}
;
return(new OpenConnectionResult
{
Value = 0,
Connection = connection
});
}
}
void FillMyAccountList()
{
if (this.comboBox_query_myAccount.Items.Count == 0)
{
var accounts = MessageAccountForm.GetAccounts();
foreach (var account in accounts)
{
this.comboBox_query_myAccount.Items.Add(account.UserName + "@" + account.ServerUrl);
}
}
}
// 确保连接到消息服务器
public static async Task EnsureConnectMessageServerAsync(
P2PConnection connection,
string userNameAndUrl)
{
if (connection.IsDisconnected)
{
var accounts = MessageAccountForm.GetAccounts();
var account = FindAccount(accounts, userNameAndUrl);
if (account == null)
{
return;
}
var result = await connection.ConnectAsync(account.ServerUrl,
account.UserName,
account.Password,
"");
}
}