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NetCoreServer/examples/TcpChatServer/Program.cs at master · iDevelopThings/NetCoreServer · GitHub
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examples
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TcpChatServer
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Program.cs
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108 lines (87 loc) · 3.12 KB
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NetCoreServer
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examples
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TcpChatServer
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Program.cs
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using
System
;
using
System
.
Net
;
using
System
.
Net
.
Sockets
;
using
System
.
Text
;
using
NetCoreServer
;
namespace
TcpChatServer
{
class
ChatSession
:
TcpSession
{
public
ChatSession
(
TcpServer
server
)
:
base
(
server
)
{
}
protected
override
void
OnConnected
(
)
{
Console
.
WriteLine
(
$
"Chat TCP session with Id
{
Id
}
connected!"
)
;
// Send invite message
string
message
=
"Hello from TCP chat! Please send a message or '!' to disconnect the client!"
;
SendAsync
(
message
)
;
}
protected
override
void
OnDisconnected
(
)
{
Console
.
WriteLine
(
$
"Chat TCP session with Id
{
Id
}
disconnected!"
)
;
}
protected
override
void
OnReceived
(
byte
[
]
buffer
,
long
offset
,
long
size
)
{
string
message
=
Encoding
.
UTF8
.
GetString
(
buffer
,
(
int
)
offset
,
(
int
)
size
)
;
Console
.
WriteLine
(
"Incoming: "
+
message
)
;
// Multicast message to all connected sessions
Server
.
Multicast
(
message
)
;
// If the buffer starts with '!' the disconnect the current session
if
(
message
==
"!"
)
Disconnect
(
)
;
}
protected
override
void
OnError
(
SocketError
error
)
{
Console
.
WriteLine
(
$
"Chat TCP session caught an error with code
{
error
}
"
)
;
}
}
class
ChatServer
:
TcpServer
{
public
ChatServer
(
IPAddress
address
,
int
port
)
:
base
(
address
,
port
)
{
}
protected
override
TcpSession
CreateSession
(
)
{
return
new
ChatSession
(
this
)
;
}
protected
override
void
OnError
(
SocketError
error
)
{
Console
.
WriteLine
(
$
"Chat TCP server caught an error with code
{
error
}
"
)
;
}
}
class
Program
{
static
void
Main
(
string
[
]
args
)
{
// TCP server port
int
port
=
1111
;
if
(
args
.
Length
>
0
)
port
=
int
.
Parse
(
args
[
0
]
)
;
Console
.
WriteLine
(
$
"TCP server port:
{
port
}
"
)
;
Console
.
WriteLine
(
)
;
// Create a new TCP chat server
var
server
=
new
ChatServer
(
IPAddress
.
Any
,
port
)
;
// Start the server
Console
.
Write
(
"Server starting..."
)
;
server
.
Start
(
)
;
Console
.
WriteLine
(
"Done!"
)
;
Console
.
WriteLine
(
"Press Enter to stop the server or '!' to restart the server..."
)
;
// Perform text input
for
(
;
;
)
{
string
line
=
Console
.
ReadLine
(
)
;
if
(
string
.
IsNullOrEmpty
(
line
)
)
break
;
// Restart the server
if
(
line
==
"!"
)
{
Console
.
Write
(
"Server restarting..."
)
;
server
.
Restart
(
)
;
Console
.
WriteLine
(
"Done!"
)
;
continue
;
}
// Multicast admin message to all sessions
line
=
"(admin) "
+
line
;
server
.
Multicast
(
line
)
;
}
// Stop the server
Console
.
Write
(
"Server stopping..."
)
;
server
.
Stop
(
)
;
Console
.
WriteLine
(
"Done!"
)
;
}
}
}
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