C#OSI5.1
5.1 OSI
5.1.1 OSITCP/IP
2Data Link Layer

3Network Layer

5Session Layer
6Presentation Layer
OSI
TCP/IPAdvanced Research Projects Agency NetworkARPANETARPANETU.SDepartment of DefenseDoDARPANET—
5.1.1 OSITCP/IP
5.1.1 OSITCP/IP
2
TCP/IPIPICMPIGMP
5.1.1 OSITCP/IP
4
HTTPSNMPFTPSMTPDNSTelnetTCPFTPHTTPUDPSNMP
5.1.1 OSITCP/IP
5.1.1 OSITCP/IP
2TCPTCPIP
3TCPIPIPIPIP
4MACIPMACMACMACMACR
5AIPB
5.1.1 OSITCP/IP
8TCPTCP
9TCP
5.1.1 OSITCP/IP
IP TCP/IPIPIPTCP/IPIPv4IP320232-1328192.168.0.181IPIP = + IPv4IPv6IP128
IPABCDEABCDE“*”
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E4“1111”240.0.0.0255.255.255.255
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ABC“1”175.22.255.255175.22.0.0
IP“127”127.0.0.1“ping”IP
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32“1”“0”IPIP

2
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3
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1
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2
4
3
1Table-Lookup↔
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TCP/IPAddress Resolution ProtocolARPARPIPIPARPIP
ARPIPARPARPIP
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3
4
5
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System.Net.Cache
System.Web.UI
System.Web.Mobile
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IPEndPointIPIPIPEndPoint


{
Console.WriteLine("[{0}]{1}",i,addr[i].AddressFamily.ToString( ));
}
Windows SocketsUNIXSocketMicrosoft WindowsWindows SocketsAPIWindows Sockets 1.1Berkeley SocketsTCP/IPWindows Sockets 2Windows Sockets 1.1
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TCP/IPWindows SocketsAF-INET

1SOCK_STREAM
FTP
2SOCK_DGRAM
3SOCK_RAW
/
OSI“”
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3
4
1
SocketSynchronousAsynchronousBlockUnblock
1
3
APIselect
3
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1
TCP/IPIP5.75.8
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2Listen(int con_num)
SocketFlagsSocket
SocketFlags
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Console.WriteLine("AddressFamily: {0}",test_socket.AddressFamily);
Console.WriteLine("SocketType: {0}",test_socket.SocketType);
Console.WriteLine("ProtocolType: {0}",test_socket.ProtocolType);
Console.WriteLine("Blocking: {0}",test_socket.Blocking);

2DLL
Windows
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1
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4
ThreadState

t1.Start( );//
}
}
}
Thread.Sleep(1000);//1000
4
if (t1.ThreadState == ThreadState.Running)//
if (t1.IsAlive)//
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1Lock
lockexpressionstatement_block
locktypeof{ }
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TryEnter( )
Exit( )
createdNewtruefalse

WaitOnefalseexitContexttruefalse
public void ReleaseMutex( )
C#5
EatAppleSmpProductorConsumerDishDishlock5.35.10
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Dish dish = new Dish(this, 30);
Productor mother = new Productor("", dish);//
Productor father = new Productor("", dish);
Consumer old = new Consumer("", dish, 1000);
Consumer middle = new Consumer("", dish, 1200);
Consumer young = new Consumer("", dish, 1500);
th_mother = new Thread(new ThreadStart(mother.run));
th_father = new Thread(new ThreadStart(father.run));
th_old = new Thread(new ThreadStart(old.run));
th_middle = new Thread(new ThreadStart(middle.run));
th_young = new Thread(new ThreadStart(young.run));
{ this.oEAP = oEAP;
this.EnabledNum = EnabledNum;
{
{ this.name = name;
this.dish = dish;
this.timelong = timelong;