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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [net/] [sockoptip_linux.go] - Blame information for rev 747

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// Copyright 2011 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.
 
// IP-level socket options for Linux
 
package net
 
import (
        "os"
        "syscall"
)
 
func ipv4MulticastInterface(fd *netFD) (*Interface, error) {
        fd.incref()
        defer fd.decref()
        mreq, err := syscall.GetsockoptIPMreqn(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF)
        if err != nil {
                return nil, os.NewSyscallError("getsockopt", err)
        }
        if int(mreq.Ifindex) == 0 {
                return nil, nil
        }
        return InterfaceByIndex(int(mreq.Ifindex))
}
 
func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error {
        var v int32
        if ifi != nil {
                v = int32(ifi.Index)
        }
        mreq := &syscall.IPMreqn{Ifindex: v}
        fd.incref()
        defer fd.decref()
        err := syscall.SetsockoptIPMreqn(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, mreq)
        if err != nil {
                return os.NewSyscallError("setsockopt", err)
        }
        return nil
}
 
func ipv4MulticastTTL(fd *netFD) (int, error) {
        fd.incref()
        defer fd.decref()
        v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_TTL)
        if err != nil {
                return -1, os.NewSyscallError("getsockopt", err)
        }
        return v, nil
}
 
func setIPv4MulticastTTL(fd *netFD, v int) error {
        fd.incref()
        defer fd.decref()
        err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_TTL, v)
        if err != nil {
                return os.NewSyscallError("setsockopt", err)
        }
        return nil
}
 
func ipv4MulticastLoopback(fd *netFD) (bool, error) {
        fd.incref()
        defer fd.decref()
        v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP)
        if err != nil {
                return false, os.NewSyscallError("getsockopt", err)
        }
        return v == 1, nil
}
 
func setIPv4MulticastLoopback(fd *netFD, v bool) error {
        fd.incref()
        defer fd.decref()
        err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP, boolint(v))
        if err != nil {
                return os.NewSyscallError("setsockopt", err)
        }
        return nil
}
 
func ipv4ReceiveInterface(fd *netFD) (bool, error) {
        fd.incref()
        defer fd.decref()
        v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_PKTINFO)
        if err != nil {
                return false, os.NewSyscallError("getsockopt", err)
        }
        return v == 1, nil
}
 
func setIPv4ReceiveInterface(fd *netFD, v bool) error {
        fd.incref()
        defer fd.decref()
        err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_PKTINFO, boolint(v))
        if err != nil {
                return os.NewSyscallError("setsockopt", err)
        }
        return nil
}
 
func ipv6TrafficClass(fd *netFD) (int, error) {
        fd.incref()
        defer fd.decref()
        v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IPV6, syscall.IPV6_TCLASS)
        if err != nil {
                return -1, os.NewSyscallError("getsockopt", err)
        }
        return v, nil
}
 
func setIPv6TrafficClass(fd *netFD, v int) error {
        fd.incref()
        defer fd.decref()
        err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IPV6, syscall.IPV6_TCLASS, v)
        if err != nil {
                return os.NewSyscallError("setsockopt", err)
        }
        return nil
}

Line No.	Rev	Author	Line
1	747	jeremybenn	`// Copyright 2011 The Go Authors. All rights reserved.`
2			`// Use of this source code is governed by a BSD-style`
3			`// license that can be found in the LICENSE file.`
4
5			`// IP-level socket options for Linux`
6
7			`package net`
8
9			`import (`
10			`"os"`
11			`"syscall"`
12			`)`
13
14			`func ipv4MulticastInterface(fd netFD) (Interface, error) {`
15			`fd.incref()`
16			`defer fd.decref()`
17			`mreq, err := syscall.GetsockoptIPMreqn(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF)`
18			`if err != nil {`
19			`return nil, os.NewSyscallError("getsockopt", err)`
20			`}`
21			`if int(mreq.Ifindex) == 0 {`
22			`return nil, nil`
23			`}`
24			`return InterfaceByIndex(int(mreq.Ifindex))`
25			`}`
26
27			`func setIPv4MulticastInterface(fd netFD, ifi Interface) error {`
28			`var v int32`
29			`if ifi != nil {`
30			`v = int32(ifi.Index)`
31			`}`
32			`mreq := &syscall.IPMreqn{Ifindex: v}`
33			`fd.incref()`
34			`defer fd.decref()`
35			`err := syscall.SetsockoptIPMreqn(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, mreq)`
36			`if err != nil {`
37			`return os.NewSyscallError("setsockopt", err)`
38			`}`
39			`return nil`
40			`}`
41
42			`func ipv4MulticastTTL(fd *netFD) (int, error) {`
43			`fd.incref()`
44			`defer fd.decref()`
45			`v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_TTL)`
46			`if err != nil {`
47			`return -1, os.NewSyscallError("getsockopt", err)`
48			`}`
49			`return v, nil`
50			`}`
51
52			`func setIPv4MulticastTTL(fd *netFD, v int) error {`
53			`fd.incref()`
54			`defer fd.decref()`
55			`err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_TTL, v)`
56			`if err != nil {`
57			`return os.NewSyscallError("setsockopt", err)`
58			`}`
59			`return nil`
60			`}`
61
62			`func ipv4MulticastLoopback(fd *netFD) (bool, error) {`
63			`fd.incref()`
64			`defer fd.decref()`
65			`v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP)`
66			`if err != nil {`
67			`return false, os.NewSyscallError("getsockopt", err)`
68			`}`
69			`return v == 1, nil`
70			`}`
71
72			`func setIPv4MulticastLoopback(fd *netFD, v bool) error {`
73			`fd.incref()`
74			`defer fd.decref()`
75			`err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP, boolint(v))`
76			`if err != nil {`
77			`return os.NewSyscallError("setsockopt", err)`
78			`}`
79			`return nil`
80			`}`
81
82			`func ipv4ReceiveInterface(fd *netFD) (bool, error) {`
83			`fd.incref()`
84			`defer fd.decref()`
85			`v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_PKTINFO)`
86			`if err != nil {`
87			`return false, os.NewSyscallError("getsockopt", err)`
88			`}`
89			`return v == 1, nil`
90			`}`
91
92			`func setIPv4ReceiveInterface(fd *netFD, v bool) error {`
93			`fd.incref()`
94			`defer fd.decref()`
95			`err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_PKTINFO, boolint(v))`
96			`if err != nil {`
97			`return os.NewSyscallError("setsockopt", err)`
98			`}`
99			`return nil`
100			`}`
101
102			`func ipv6TrafficClass(fd *netFD) (int, error) {`
103			`fd.incref()`
104			`defer fd.decref()`
105			`v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IPV6, syscall.IPV6_TCLASS)`
106			`if err != nil {`
107			`return -1, os.NewSyscallError("getsockopt", err)`
108			`}`
109			`return v, nil`
110			`}`
111
112			`func setIPv6TrafficClass(fd *netFD, v int) error {`
113			`fd.incref()`
114			`defer fd.decref()`
115			`err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IPV6, syscall.IPV6_TCLASS, v)`
116			`if err != nil {`
117			`return os.NewSyscallError("setsockopt", err)`
118			`}`
119			`return nil`
120			`}`

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [net/] [sockoptip_linux.go] - Blame information for rev 747