Gecko [ www.smanegeri1koba.sch.id ]

Name	Size	Permission
batch.go	5.59 KB	-r--r--r--
bpf_test.go	1.85 KB	-r--r--r--
control.go	4.22 KB	-r--r--r--
control_bsd.go	1.11 KB	-r--r--r--
control_pktinfo.go	980 B	-r--r--r--
control_stub.go	450 B	-r--r--r--
control_test.go	480 B	-r--r--r--
control_unix.go	1.71 KB	-r--r--r--
control_windows.go	363 B	-r--r--r--
control_zos.go	1.99 KB	-r--r--r--
defs_aix.go	368 B	-r--r--r--
defs_darwin.go	977 B	-r--r--r--
defs_dragonfly.go	368 B	-r--r--r--
defs_freebsd.go	887 B	-r--r--r--
defs_linux.go	1.28 KB	-r--r--r--
defs_netbsd.go	368 B	-r--r--r--
defs_openbsd.go	368 B	-r--r--r--
defs_solaris.go	977 B	-r--r--r--
dgramopt.go	6.61 KB	-r--r--r--
doc.go	7.77 KB	-r--r--r--
endpoint.go	4.87 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	5.22 KB	-r--r--r--
export_test.go	216 B	-r--r--r--
gen.go	4.34 KB	-r--r--r--
genericopt.go	1.18 KB	-r--r--r--
header.go	4.97 KB	-r--r--r--
header_test.go	5.84 KB	-r--r--r--
helper.go	1.64 KB	-r--r--r--
helper_posix_test.go	759 B	-r--r--r--
helper_stub_test.go	358 B	-r--r--r--
iana.go	1.4 KB	-r--r--r--
icmp.go	1.51 KB	-r--r--r--
icmp_linux.go	538 B	-r--r--r--
icmp_stub.go	457 B	-r--r--r--
icmp_test.go	1.86 KB	-r--r--r--
multicast_test.go	9.56 KB	-r--r--r--
multicastlistener_test.go	5.91 KB	-r--r--r--
multicastsockopt_test.go	5.12 KB	-r--r--r--
packet.go	3.58 KB	-r--r--r--
payload.go	578 B	-r--r--r--
payload_cmsg.go	2.75 KB	-r--r--r--
payload_nocmsg.go	1.38 KB	-r--r--r--
readwrite_test.go	12.72 KB	-r--r--r--
sockopt.go	1.68 KB	-r--r--r--
sockopt_posix.go	1.75 KB	-r--r--r--
sockopt_stub.go	1.12 KB	-r--r--r--
sys_aix.go	2.01 KB	-r--r--r--
sys_asmreq.go	2.53 KB	-r--r--r--
sys_asmreq_stub.go	661 B	-r--r--r--
sys_asmreqn.go	1020 B	-r--r--r--
sys_asmreqn_stub.go	492 B	-r--r--r--
sys_bpf.go	595 B	-r--r--r--
sys_bpf_stub.go	376 B	-r--r--r--
sys_bsd.go	1.88 KB	-r--r--r--
sys_darwin.go	3.47 KB	-r--r--r--
sys_dragonfly.go	1.86 KB	-r--r--r--
sys_freebsd.go	3.52 KB	-r--r--r--
sys_linux.go	3.04 KB	-r--r--r--
sys_solaris.go	2.87 KB	-r--r--r--
sys_ssmreq.go	1.23 KB	-r--r--r--
sys_ssmreq_stub.go	526 B	-r--r--r--
sys_stub.go	361 B	-r--r--r--
sys_windows.go	1.57 KB	-r--r--r--
sys_zos.go	2.39 KB	-r--r--r--
unicast_test.go	5.77 KB	-r--r--r--
unicastsockopt_test.go	3.15 KB	-r--r--r--
zsys_aix_ppc64.go	263 B	-r--r--r--
zsys_darwin.go	1.03 KB	-r--r--r--
zsys_dragonfly.go	219 B	-r--r--r--
zsys_freebsd_386.go	933 B	-r--r--r--
zsys_freebsd_amd64.go	971 B	-r--r--r--
zsys_freebsd_arm.go	971 B	-r--r--r--
zsys_freebsd_arm64.go	936 B	-r--r--r--
zsys_freebsd_riscv64.go	936 B	-r--r--r--
zsys_linux_386.go	1.2 KB	-r--r--r--
zsys_linux_amd64.go	1.23 KB	-r--r--r--
zsys_linux_arm.go	1.2 KB	-r--r--r--
zsys_linux_arm64.go	1.23 KB	-r--r--r--
zsys_linux_loong64.go	1.25 KB	-r--r--r--
zsys_linux_mips.go	1.2 KB	-r--r--r--
zsys_linux_mips64.go	1.23 KB	-r--r--r--
zsys_linux_mips64le.go	1.23 KB	-r--r--r--
zsys_linux_mipsle.go	1.2 KB	-r--r--r--
zsys_linux_ppc.go	1.2 KB	-r--r--r--
zsys_linux_ppc64.go	1.23 KB	-r--r--r--
zsys_linux_ppc64le.go	1.23 KB	-r--r--r--
zsys_linux_riscv64.go	1.25 KB	-r--r--r--
zsys_linux_s390x.go	1.23 KB	-r--r--r--
zsys_netbsd.go	216 B	-r--r--r--
zsys_openbsd.go	217 B	-r--r--r--
zsys_solaris.go	1023 B	-r--r--r--
zsys_zos_s390x.go	1 KB	-r--r--r--

Code Editor : dgramopt.go

// Copyright 2012 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 ipv4

import (
	"net"

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

// MulticastTTL returns the time-to-live field value for outgoing
// multicast packets.
func (c *dgramOpt) MulticastTTL() (int, error) {
	if !c.ok() {
		return 0, errInvalidConn
	}
	so, ok := sockOpts[ssoMulticastTTL]
	if !ok {
		return 0, errNotImplemented
	}
	return so.GetInt(c.Conn)
}

// SetMulticastTTL sets the time-to-live field value for future
// outgoing multicast packets.
func (c *dgramOpt) SetMulticastTTL(ttl int) error {
	if !c.ok() {
		return errInvalidConn
	}
	so, ok := sockOpts[ssoMulticastTTL]
	if !ok {
		return errNotImplemented
	}
	return so.SetInt(c.Conn, ttl)
}

// 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 := netAddrToIP4(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 := netAddrToIP4(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 := netAddrToIP4(group)
	if grp == nil {
		return errMissingAddress
	}
	src := netAddrToIP4(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 := netAddrToIP4(group)
	if grp == nil {
		return errMissingAddress
	}
	src := netAddrToIP4(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 := netAddrToIP4(group)
	if grp == nil {
		return errMissingAddress
	}
	src := netAddrToIP4(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 := netAddrToIP4(group)
	if grp == nil {
		return errMissingAddress
	}
	src := netAddrToIP4(source)
	if src == nil {
		return errMissingAddress
	}
	return so.setSourceGroup(c.Conn, ifi, grp, src)
}

// ICMPFilter returns an ICMP filter.
// Currently only Linux supports this.
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.
// Currently only Linux supports this.
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