Gecko [ www.smanegeri1koba.sch.id ]

Name	Size	Permission
batch.go	3.31 KB	-r--r--r--
bpf_test.go	2.02 KB	-r--r--r--
control.go	5.88 KB	-r--r--r--
control_rfc2292_unix.go	1.33 KB	-r--r--r--
control_rfc3542_unix.go	2.59 KB	-r--r--r--
control_stub.go	450 B	-r--r--r--
control_test.go	468 B	-r--r--r--
control_unix.go	1.34 KB	-r--r--r--
control_windows.go	363 B	-r--r--r--
defs_aix.go	1.1 KB	-r--r--r--
defs_darwin.go	1.08 KB	-r--r--r--
defs_dragonfly.go	823 B	-r--r--r--
defs_freebsd.go	1.1 KB	-r--r--r--
defs_linux.go	1.31 KB	-r--r--r--
defs_netbsd.go	823 B	-r--r--r--
defs_openbsd.go	823 B	-r--r--r--
defs_solaris.go	1.08 KB	-r--r--r--
dgramopt.go	7.54 KB	-r--r--r--
doc.go	7.71 KB	-r--r--r--
endpoint.go	3.13 KB	-r--r--r--
errors_other_test.go	413 B	-r--r--r--
errors_unix_test.go	481 B	-r--r--r--
example_test.go	5.2 KB	-r--r--r--
export_test.go	216 B	-r--r--r--
gen.go	4.32 KB	-r--r--r--
genericopt.go	1.27 KB	-r--r--r--
header.go	1.46 KB	-r--r--r--
header_test.go	1.2 KB	-r--r--r--
helper.go	1.06 KB	-r--r--r--
helper_posix_test.go	759 B	-r--r--r--
helper_stub_test.go	538 B	-r--r--r--
helper_unix_test.go	895 B	-r--r--r--
helper_windows_test.go	262 B	-r--r--r--
iana.go	4.9 KB	-r--r--r--
icmp.go	1.56 KB	-r--r--r--
icmp_bsd.go	680 B	-r--r--r--
icmp_linux.go	609 B	-r--r--r--
icmp_solaris.go	663 B	-r--r--r--
icmp_stub.go	537 B	-r--r--r--
icmp_test.go	2.02 KB	-r--r--r--
icmp_windows.go	516 B	-r--r--r--
icmp_zos.go	611 B	-r--r--r--
mocktransponder_test.go	610 B	-r--r--r--
multicast_test.go	7.44 KB	-r--r--r--
multicastlistener_test.go	6.07 KB	-r--r--r--
multicastsockopt_test.go	4.26 KB	-r--r--r--
payload.go	578 B	-r--r--r--
payload_cmsg.go	2.46 KB	-r--r--r--
payload_nocmsg.go	1.33 KB	-r--r--r--
readwrite_test.go	13.15 KB	-r--r--r--
sockopt.go	1.81 KB	-r--r--r--
sockopt_posix.go	2.18 KB	-r--r--r--
sockopt_stub.go	1.23 KB	-r--r--r--
sockopt_test.go	2.82 KB	-r--r--r--
sys_aix.go	3.37 KB	-r--r--r--
sys_asmreq.go	618 B	-r--r--r--
sys_asmreq_stub.go	454 B	-r--r--r--
sys_bpf.go	595 B	-r--r--r--
sys_bpf_stub.go	376 B	-r--r--r--
sys_bsd.go	2.78 KB	-r--r--r--
sys_darwin.go	3.97 KB	-r--r--r--
sys_freebsd.go	4.17 KB	-r--r--r--
sys_linux.go	3.83 KB	-r--r--r--
sys_solaris.go	3.86 KB	-r--r--r--
sys_ssmreq.go	1.29 KB	-r--r--r--
sys_ssmreq_stub.go	542 B	-r--r--r--
sys_stub.go	361 B	-r--r--r--
sys_windows.go	1.76 KB	-r--r--r--
sys_zos.go	3.51 KB	-r--r--r--
unicast_test.go	4.63 KB	-r--r--r--
unicastsockopt_test.go	2.58 KB	-r--r--r--
zsys_aix_ppc64.go	1.11 KB	-r--r--r--
zsys_darwin.go	1.02 KB	-r--r--r--
zsys_dragonfly.go	659 B	-r--r--r--
zsys_freebsd_386.go	1.04 KB	-r--r--r--
zsys_freebsd_amd64.go	1.08 KB	-r--r--r--
zsys_freebsd_arm.go	1.08 KB	-r--r--r--
zsys_freebsd_arm64.go	1.04 KB	-r--r--r--
zsys_freebsd_riscv64.go	1.04 KB	-r--r--r--
zsys_linux_386.go	1.24 KB	-r--r--r--
zsys_linux_amd64.go	1.27 KB	-r--r--r--
zsys_linux_arm.go	1.24 KB	-r--r--r--
zsys_linux_arm64.go	1.27 KB	-r--r--r--
zsys_linux_loong64.go	1.29 KB	-r--r--r--
zsys_linux_mips.go	1.24 KB	-r--r--r--
zsys_linux_mips64.go	1.27 KB	-r--r--r--
zsys_linux_mips64le.go	1.27 KB	-r--r--r--
zsys_linux_mipsle.go	1.24 KB	-r--r--r--
zsys_linux_ppc.go	1.24 KB	-r--r--r--
zsys_linux_ppc64.go	1.27 KB	-r--r--r--
zsys_linux_ppc64le.go	1.27 KB	-r--r--r--
zsys_linux_riscv64.go	1.29 KB	-r--r--r--
zsys_linux_s390x.go	1.27 KB	-r--r--r--
zsys_netbsd.go	656 B	-r--r--r--
zsys_openbsd.go	657 B	-r--r--r--
zsys_solaris.go	1.05 KB	-r--r--r--
zsys_zos_s390x.go	1.08 KB	-r--r--r--

Code Editor : dgramopt.go

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package ipv6

import (
	"net"

"golang.org/x/net/bpf"
)

// MulticastHopLimit returns the hop limit field value for outgoing
// multicast packets.
func (c *dgramOpt) MulticastHopLimit() (int, error) {
	if !c.ok() {
		return 0, errInvalidConn
	}
	so, ok := sockOpts[ssoMulticastHopLimit]
	if !ok {
		return 0, errNotImplemented
	}
	return so.GetInt(c.Conn)
}

// SetMulticastHopLimit sets the hop limit field value for future
// outgoing multicast packets.
func (c *dgramOpt) SetMulticastHopLimit(hoplim int) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoMulticastHopLimit]
	if !ok {
		return errNotImplemented
	}
	return so.SetInt(c.Conn, hoplim)
}

// MulticastInterface returns the default interface for multicast
// packet transmissions.
func (c *dgramOpt) MulticastInterface() (*net.Interface, error) {
	if !c.ok() {
		return nil, errInvalidConn
	}
	so, ok := sockOpts[ssoMulticastInterface]
	if !ok {
		return nil, errNotImplemented
	}
	return so.getMulticastInterface(c.Conn)
}

// SetMulticastInterface sets the default interface for future
// multicast packet transmissions.
func (c *dgramOpt) SetMulticastInterface(ifi *net.Interface) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoMulticastInterface]
	if !ok {
		return errNotImplemented
	}
	return so.setMulticastInterface(c.Conn, ifi)
}

// MulticastLoopback reports whether transmitted multicast packets
// should be copied and send back to the originator.
func (c *dgramOpt) MulticastLoopback() (bool, error) {
	if !c.ok() {
		return false, errInvalidConn
	}
	so, ok := sockOpts[ssoMulticastLoopback]
	if !ok {
		return false, errNotImplemented
	}
	on, err := so.GetInt(c.Conn)
	if err != nil {
		return false, err
	}
	return on == 1, nil
}

// SetMulticastLoopback sets whether transmitted multicast packets
// should be copied and send back to the originator.
func (c *dgramOpt) SetMulticastLoopback(on bool) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoMulticastLoopback]
	if !ok {
		return errNotImplemented
	}
	return so.SetInt(c.Conn, boolint(on))
}

// JoinGroup joins the group address group on the interface ifi.
// By default all sources that can cast data to group are accepted.
// It's possible to mute and unmute data transmission from a specific
// source by using ExcludeSourceSpecificGroup and
// IncludeSourceSpecificGroup.
// JoinGroup uses the system assigned multicast interface when ifi is
// nil, although this is not recommended because the assignment
// depends on platforms and sometimes it might require routing
// configuration.
func (c *dgramOpt) JoinGroup(ifi *net.Interface, group net.Addr) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoJoinGroup]
	if !ok {
		return errNotImplemented
	}
	grp := netAddrToIP16(group)
	if grp == nil {
		return errMissingAddress
	}
	return so.setGroup(c.Conn, ifi, grp)
}

// LeaveGroup leaves the group address group on the interface ifi
// regardless of whether the group is any-source group or
// source-specific group.
func (c *dgramOpt) LeaveGroup(ifi *net.Interface, group net.Addr) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoLeaveGroup]
	if !ok {
		return errNotImplemented
	}
	grp := netAddrToIP16(group)
	if grp == nil {
		return errMissingAddress
	}
	return so.setGroup(c.Conn, ifi, grp)
}

// JoinSourceSpecificGroup joins the source-specific group comprising
// group and source on the interface ifi.
// JoinSourceSpecificGroup uses the system assigned multicast
// interface when ifi is nil, although this is not recommended because
// the assignment depends on platforms and sometimes it might require
// routing configuration.
func (c *dgramOpt) JoinSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoJoinSourceGroup]
	if !ok {
		return errNotImplemented
	}
	grp := netAddrToIP16(group)
	if grp == nil {
		return errMissingAddress
	}
	src := netAddrToIP16(source)
	if src == nil {
		return errMissingAddress
	}
	return so.setSourceGroup(c.Conn, ifi, grp, src)
}

// LeaveSourceSpecificGroup leaves the source-specific group on the
// interface ifi.
func (c *dgramOpt) LeaveSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoLeaveSourceGroup]
	if !ok {
		return errNotImplemented
	}
	grp := netAddrToIP16(group)
	if grp == nil {
		return errMissingAddress
	}
	src := netAddrToIP16(source)
	if src == nil {
		return errMissingAddress
	}
	return so.setSourceGroup(c.Conn, ifi, grp, src)
}

// ExcludeSourceSpecificGroup excludes the source-specific group from
// the already joined any-source groups by JoinGroup on the interface
// ifi.
func (c *dgramOpt) ExcludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoBlockSourceGroup]
	if !ok {
		return errNotImplemented
	}
	grp := netAddrToIP16(group)
	if grp == nil {
		return errMissingAddress
	}
	src := netAddrToIP16(source)
	if src == nil {
		return errMissingAddress
	}
	return so.setSourceGroup(c.Conn, ifi, grp, src)
}

// IncludeSourceSpecificGroup includes the excluded source-specific
// group by ExcludeSourceSpecificGroup again on the interface ifi.
func (c *dgramOpt) IncludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoUnblockSourceGroup]
	if !ok {
		return errNotImplemented
	}
	grp := netAddrToIP16(group)
	if grp == nil {
		return errMissingAddress
	}
	src := netAddrToIP16(source)
	if src == nil {
		return errMissingAddress
	}
	return so.setSourceGroup(c.Conn, ifi, grp, src)
}

// Checksum reports whether the kernel will compute, store or verify a
// checksum for both incoming and outgoing packets. If on is true, it
// returns an offset in bytes into the data of where the checksum
// field is located.
func (c *dgramOpt) Checksum() (on bool, offset int, err error) {
	if !c.ok() {
		return false, 0, errInvalidConn
	}
	so, ok := sockOpts[ssoChecksum]
	if !ok {
		return false, 0, errNotImplemented
	}
	offset, err = so.GetInt(c.Conn)
	if err != nil {
		return false, 0, err
	}
	if offset < 0 {
		return false, 0, nil
	}
	return true, offset, nil
}

// SetChecksum enables the kernel checksum processing. If on is true,
// the offset should be an offset in bytes into the data of where the
// checksum field is located.
func (c *dgramOpt) SetChecksum(on bool, offset int) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoChecksum]
	if !ok {
		return errNotImplemented
	}
	if !on {
		offset = -1
	}
	return so.SetInt(c.Conn, offset)
}

// ICMPFilter returns an ICMP filter.
func (c *dgramOpt) ICMPFilter() (*ICMPFilter, error) {
	if !c.ok() {
		return nil, errInvalidConn
	}
	so, ok := sockOpts[ssoICMPFilter]
	if !ok {
		return nil, errNotImplemented
	}
	return so.getICMPFilter(c.Conn)
}

// SetICMPFilter deploys the ICMP filter.
func (c *dgramOpt) SetICMPFilter(f *ICMPFilter) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoICMPFilter]
	if !ok {
		return errNotImplemented
	}
	return so.setICMPFilter(c.Conn, f)
}

// SetBPF attaches a BPF program to the connection.
//
// Only supported on Linux.
func (c *dgramOpt) SetBPF(filter []bpf.RawInstruction) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoAttachFilter]
	if !ok {
		return errNotImplemented
	}
	return so.setBPF(c.Conn, filter)
}

${this.title}

Code Editor : dgramopt.go