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NetCoreServer/source/NetCoreServer/WssServer.cs at master · DeepenKernel/NetCoreServer · GitHub
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using
System
;
using
System
.
Net
;
using
System
.
Text
;
namespace
NetCoreServer
{
/// <summary>
/// WebSocket secure server
/// </summary>
/// <remarks> WebSocket secure server is used to communicate with clients using WebSocket protocol. Thread-safe.</remarks>
public
class
WssServer
:
HttpsServer
,
IWebSocket
{
internal
readonly
WebSocket
WebSocket
;
/// <summary>
/// Initialize WebSocket server with a given IP address and port number
/// </summary>
/// <param name="context">SSL context</param>
/// <param name="address">IP address</param>
/// <param name="port">Port number</param>
public
WssServer
(
SslContext
context
,
IPAddress
address
,
int
port
)
:
base
(
context
,
address
,
port
)
{
WebSocket
=
new
WebSocket
(
this
)
;
}
/// <summary>
/// Initialize WebSocket server with a given IP address and port number
/// </summary>
/// <param name="context">SSL context</param>
/// <param name="address">IP address</param>
/// <param name="port">Port number</param>
public
WssServer
(
SslContext
context
,
string
address
,
int
port
)
:
base
(
context
,
address
,
port
)
{
WebSocket
=
new
WebSocket
(
this
)
;
}
/// <summary>
/// Initialize WebSocket server with a given DNS endpoint
/// </summary>
/// <param name="context">SSL context</param>
/// <param name="endpoint">DNS endpoint</param>
public
WssServer
(
SslContext
context
,
DnsEndPoint
endpoint
)
:
base
(
context
,
endpoint
)
{
WebSocket
=
new
WebSocket
(
this
)
;
}
/// <summary>
/// Initialize WebSocket server with a given IP endpoint
/// </summary>
/// <param name="context">SSL context</param>
/// <param name="endpoint">IP endpoint</param>
public
WssServer
(
SslContext
context
,
IPEndPoint
endpoint
)
:
base
(
context
,
endpoint
)
{
WebSocket
=
new
WebSocket
(
this
)
;
}
#region Session management
public
virtual
bool
CloseAll
(
)
=>
CloseAll
(
0
,
Span
<
byte
>
.
Empty
)
;
public
virtual
bool
CloseAll
(
int
status
)
=>
CloseAll
(
status
,
Span
<
byte
>
.
Empty
)
;
public
virtual
bool
CloseAll
(
int
status
,
string
text
)
=>
CloseAll
(
status
,
Encoding
.
UTF8
.
GetBytes
(
text
)
)
;
public
virtual
bool
CloseAll
(
int
status
,
ReadOnlySpan
<
char
>
text
)
=>
CloseAll
(
status
,
Encoding
.
UTF8
.
GetBytes
(
text
.
ToArray
(
)
)
)
;
public
virtual
bool
CloseAll
(
int
status
,
byte
[
]
buffer
)
=>
CloseAll
(
status
,
buffer
.
AsSpan
(
)
)
;
public
virtual
bool
CloseAll
(
int
status
,
byte
[
]
buffer
,
long
offset
,
long
size
)
=>
CloseAll
(
status
,
buffer
.
AsSpan
(
(
int
)
offset
,
(
int
)
size
)
)
;
public
virtual
bool
CloseAll
(
int
status
,
ReadOnlySpan
<
byte
>
buffer
)
{
lock
(
WebSocket
.
WsSendLock
)
{
WebSocket
.
PrepareSendFrame
(
WebSocket
.
WS_FIN
|
WebSocket
.
WS_CLOSE
,
false
,
buffer
,
status
)
;
if
(
!
Multicast
(
WebSocket
.
WsSendBuffer
.
AsSpan
(
)
)
)
return
false
;
return
base
.
DisconnectAll
(
)
;
}
}
#endregion
#region Multicasting
public
override
bool
Multicast
(
ReadOnlySpan
<
byte
>
buffer
)
{
if
(
!
IsStarted
)
return
false
;
if
(
buffer
.
IsEmpty
)
return
true
;
// Multicast data to all WebSocket sessions
foreach
(
var
session
in
Sessions
.
Values
)
{
if
(
session
is
WssSession
wsSession
)
{
if
(
wsSession
.
WebSocket
.
WsHandshaked
)
wsSession
.
SendAsync
(
buffer
)
;
}
}
return
true
;
}
#endregion
#region WebSocket multicast text methods
public
bool
MulticastText
(
string
text
)
=>
MulticastText
(
Encoding
.
UTF8
.
GetBytes
(
text
)
)
;
public
bool
MulticastText
(
ReadOnlySpan
<
char
>
text
)
=>
MulticastText
(
Encoding
.
UTF8
.
GetBytes
(
text
.
ToArray
(
)
)
)
;
public
bool
MulticastText
(
byte
[
]
buffer
)
=>
MulticastText
(
buffer
.
AsSpan
(
)
)
;
public
bool
MulticastText
(
byte
[
]
buffer
,
long
offset
,
long
size
)
=>
MulticastText
(
buffer
.
AsSpan
(
(
int
)
offset
,
(
int
)
size
)
)
;
public
bool
MulticastText
(
ReadOnlySpan
<
byte
>
buffer
)
{
lock
(
WebSocket
.
WsSendLock
)
{
WebSocket
.
PrepareSendFrame
(
WebSocket
.
WS_FIN
|
WebSocket
.
WS_TEXT
,
false
,
buffer
)
;
return
Multicast
(
WebSocket
.
WsSendBuffer
.
AsSpan
(
)
)
;
}
}
#endregion
#region WebSocket multicast binary methods
public
bool
MulticastBinary
(
string
text
)
=>
MulticastBinary
(
Encoding
.
UTF8
.
GetBytes
(
text
)
)
;
public
bool
MulticastBinary
(
ReadOnlySpan
<
char
>
text
)
=>
MulticastBinary
(
Encoding
.
UTF8
.
GetBytes
(
text
.
ToArray
(
)
)
)
;
public
bool
MulticastBinary
(
byte
[
]
buffer
)
=>
MulticastBinary
(
buffer
.
AsSpan
(
)
)
;
public
bool
MulticastBinary
(
byte
[
]
buffer
,
long
offset
,
long
size
)
=>
MulticastBinary
(
buffer
.
AsSpan
(
(
int
)
offset
,
(
int
)
size
)
)
;
public
bool
MulticastBinary
(
ReadOnlySpan
<
byte
>
buffer
)
{
lock
(
WebSocket
.
WsSendLock
)
{
WebSocket
.
PrepareSendFrame
(
WebSocket
.
WS_FIN
|
WebSocket
.
WS_BINARY
,
false
,
buffer
)
;
return
Multicast
(
WebSocket
.
WsSendBuffer
.
AsSpan
(
)
)
;
}
}
#endregion
#region WebSocket multicast ping methods
public
bool
MulticastPing
(
string
text
)
=>
MulticastPing
(
Encoding
.
UTF8
.
GetBytes
(
text
)
)
;
public
bool
MulticastPing
(
ReadOnlySpan
<
char
>
text
)
=>
MulticastPing
(
Encoding
.
UTF8
.
GetBytes
(
text
.
ToArray
(
)
)
)
;
public
bool
MulticastPing
(
byte
[
]
buffer
)
=>
MulticastPing
(
buffer
.
AsSpan
(
)
)
;
public
bool
MulticastPing
(
byte
[
]
buffer
,
long
offset
,
long
size
)
=>
MulticastPing
(
buffer
.
AsSpan
(
(
int
)
offset
,
(
int
)
size
)
)
;
public
bool
MulticastPing
(
ReadOnlySpan
<
byte
>
buffer
)
{
lock
(
WebSocket
.
WsSendLock
)
{
WebSocket
.
PrepareSendFrame
(
WebSocket
.
WS_FIN
|
WebSocket
.
WS_PING
,
false
,
buffer
)
;
return
Multicast
(
WebSocket
.
WsSendBuffer
.
AsSpan
(
)
)
;
}
}
#endregion
protected
override
SslSession
CreateSession
(
)
{
return
new
WssSession
(
this
)
;
}
}
}
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