Network Programming in .NET With C# and Visual Basic .NET phần 8

Bế tắc là tương đương với máy tính của một tình huống Catch 22. Hãy tưởng tượng một ứng dụng để lấy dữ liệu từ một trang web và lưu trữ trong một cơ sở dữ liệu. Người dùng có thể sử dụng ứng dụng này để truy vấn từ cơ sở dữ liệu hoặc trang web. Ba nhiệm vụ này sẽ được | Physical network tapping 373 -------- Table Significant members of the Networkinterface class continued . Method or Property Purpose Mtu Determines the maximum transmission unit of the interface. Returns int64. Name Gets a name for the interface. Returns string. OperationalStatus Gets the operational status of the interface. Returns OperationalStatus. Type Determines the interface hardware. Returns InterfaceType . modem ISDN ADSL Ethernet etc. . The Interfacestatistics class as returned by GetlnterfaceStatis-tics is described in Table all properties return int64 unless otherwise specified . -------- Table Significant members of the Interfacestatistics class . Method or Property Purpose BytesReceived Gets the number of bytes received BytesSent Gets the number of bytes sent IncomingPacketsDiscarded Gets the number of incoming packets discarded IncomingPacketsWithErrors Gets the number of incoming packets with errors IncomingUnknownProtocolPackets Gets the number of incoming unknown protocol packets NonUnicastPacketsReceived Gets the number of non-Unicast packets received NonUnicastPacketsSent Gets the number of non-Unicast packets sent OutgoingPacketsDiscarded Gets the number of outgoing packets discarded OutgoingPacketsWithErrors Gets the number of outgoing packets with errors OutputQueueLength Gets the number of output queue length I Chapter 13 374 Physical network tapping -------- Table -------- Table -------- Table Significant members of the Interfacestatistics class continued . Method or Property Purpose Speed Gets the speed of the interface UnicastPacketsReceived Gets the number of Unicast packets received UnicastPacketsSent Gets the number of Unicast packets sent The IPAddressInformation class as returned by GetlPAddressInfor-mation is described in Table . Significant members of the IPAddressInformation class. Method or .