socket
2016-03-18 18:34:51 0 举报socke api,TCP
作者其他创作
大纲/内容
read(阻塞)
2MSL
SYN_RCVD
Client TCP
(主动关闭)
accept(阻塞)
PSH Y:Y+n(n)ACK X+n
FIN_WAIT_1
CLOSED
PSH X:X+n(n)ACK Y
(主动打开)
connect(阻塞)
Server TCP
FIN N
SYN_SEND
ACK N+1
ACK X+n
ESTABLISHED
accept(返回)
ACK Y+n
SYN J
listen
close
read(返回)
write
socket
ACK M+1
bind
RTT
LISTEN
Client
CLOSE_WAIT
实线：发起，调用虚线：后继，返回实箭头：异步空箭头：同步
LASE_ACK
Serverchild
ACK K+1
FIN_WAIT_2
fork
read(返回0)
TIME_WAIT
Server
connect(返回)
FIN M
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