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Basic socket programming
- 11. BSD Sockets BSD Sockets PF_INET sockets PF_PACKET Socket PF_NETLINK Socket TCP UDP IP Network device SOCK_ STREAM SOCK_ DGRAM SOCK_ RAW
- 19. Socket Functions blocks until connection from client TCP Client TCP Server socket() listen() accept() socket() bind() Well-known port connect() write() TCP three-way handshaking data (request) read() process request
- 20. Socket Functions blocks until connection from client TCP Server TCP Client read() data (reply) close() read() close() socket() connect() write() TCP three-way handshaking data (request) read() process request write()
- 28. TCP Connection Setup client server socket socket connect bind listen accept connect completes connection added to incomplete queue connection moved to complete queue Synchronize (SYN) J SYN K, acknowledge (ACK) J+1 ACK K+1
- 43. UDP Connection Example client server socket socket sendto bind recvfrom sendto recvfrom close