tips

[1046102779]

go version: go1.7.1 linux/amd64

when you compile " go build fastping.go " , you may attack below errors.

the solution: you need to "go get -u golang.org/x/net/icmp" .

golang.org/x/net/ipv6

../../../../golang.org/x/net/ipv6/sockopt_asmreq_unix.go:15: setsockoptIPMreq redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv6/sockopt_asmreq_posix.go:15
../../../../golang.org/x/net/ipv6/sockopt_unix.go:15: getInt redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv6/sockopt_posix.go:15
../../../../golang.org/x/net/ipv6/sockopt_unix.go:27: setInt redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv6/sockopt_posix.go:27
../../../../golang.org/x/net/ipv6/sockopt_unix.go:35: getInterface redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv6/sockopt_posix.go:35
../../../../golang.org/x/net/ipv6/sockopt_unix.go:54: setInterface redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv6/sockopt_posix.go:54
../../../../golang.org/x/net/ipv6/sockopt_unix.go:65: getICMPFilter redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv6/sockopt_posix.go:65
../../../../golang.org/x/net/ipv6/sockopt_unix.go:77: setICMPFilter redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv6/sockopt_posix.go:77
../../../../golang.org/x/net/ipv6/sockopt_unix.go:84: getMTUInfo redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv6/sockopt_posix.go:84
../../../../golang.org/x/net/ipv6/sockopt_unix.go:103: setGroup redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv6/sockopt_posix.go:103
../../../../golang.org/x/net/ipv6/sockopt_unix.go:117: setSourceGroup redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv6/sockopt_posix.go:117
../../../../golang.org/x/net/ipv6/sockopt_unix.go:117: too many errors

golang.org/x/net/ipv4

../../../../golang.org/x/net/ipv4/sockopt_posix.go:29: cannot use s (type uintptr) as type int in argument to getsockopt
../../../../golang.org/x/net/ipv4/sockopt_posix.go:51: cannot use s (type uintptr) as type int in argument to setsockopt
../../../../golang.org/x/net/ipv4/sockopt_unix.go:17: getInt redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv4/sockopt_posix.go:17
../../../../golang.org/x/net/ipv4/sockopt_unix.go:38: setInt redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv4/sockopt_posix.go:38
../../../../golang.org/x/net/ipv4/sockopt_unix.go:54: getInterface redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv4/sockopt_posix.go:54
../../../../golang.org/x/net/ipv4/sockopt_unix.go:68: setInterface redeclared in this block
previous declaration at ../../../../golang.org/x/net/ipv4/sockopt_posix.go:68
../../../../golang.org/x/net/ipv4/sockopt_unix.go:82: getICMPFilter redeclared in this block