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

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Line No. Rev Author Line
1 747 jeremybenn 
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package net
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import (
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        "os"
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        "runtime"
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        "testing"
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)
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var listenMulticastUDPTests = []struct {
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        net   string
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        gaddr *UDPAddr
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        flags Flags
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        ipv6  bool
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}{
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        // cf. RFC 4727: Experimental Values in IPv4, IPv6, ICMPv4, ICMPv6, UDP, and TCP Headers
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        {"udp", &UDPAddr{IPv4(224, 0, 0, 254), 12345}, FlagUp | FlagLoopback, false},
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        {"udp4", &UDPAddr{IPv4(224, 0, 0, 254), 12345}, FlagUp | FlagLoopback, false},
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        {"udp", &UDPAddr{ParseIP("ff0e::114"), 12345}, FlagUp | FlagLoopback, true},
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        {"udp6", &UDPAddr{ParseIP("ff01::114"), 12345}, FlagUp | FlagLoopback, true},
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        {"udp6", &UDPAddr{ParseIP("ff02::114"), 12345}, FlagUp | FlagLoopback, true},
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        {"udp6", &UDPAddr{ParseIP("ff04::114"), 12345}, FlagUp | FlagLoopback, true},
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        {"udp6", &UDPAddr{ParseIP("ff05::114"), 12345}, FlagUp | FlagLoopback, true},
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        {"udp6", &UDPAddr{ParseIP("ff08::114"), 12345}, FlagUp | FlagLoopback, true},
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        {"udp6", &UDPAddr{ParseIP("ff0e::114"), 12345}, FlagUp | FlagLoopback, true},
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}
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func TestListenMulticastUDP(t *testing.T) {
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        switch runtime.GOOS {
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        case "netbsd", "openbsd", "plan9", "windows":
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                return
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        case "linux":
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                if runtime.GOARCH == "arm" || runtime.GOARCH == "alpha" {
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                        return
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                }
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        }
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        for _, tt := range listenMulticastUDPTests {
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                if tt.ipv6 && (!supportsIPv6 || os.Getuid() != 0) {
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                        continue
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                }
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                ift, err := Interfaces()
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                if err != nil {
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                        t.Fatalf("Interfaces failed: %v", err)
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                }
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                var ifi *Interface
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                for _, x := range ift {
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                        if x.Flags&tt.flags == tt.flags {
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                                ifi = &x
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                                break
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                        }
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                }
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                if ifi == nil {
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                        t.Logf("an appropriate multicast interface not found")
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                        return
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                }
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                c, err := ListenMulticastUDP(tt.net, ifi, tt.gaddr)
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                if err != nil {
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                        t.Fatalf("ListenMulticastUDP failed: %v", err)
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                }
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                defer c.Close() // test to listen concurrently across multiple listeners
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                if !tt.ipv6 {
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                        testIPv4MulticastSocketOptions(t, c.fd, ifi)
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                } else {
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                        testIPv6MulticastSocketOptions(t, c.fd, ifi)
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                }
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                ifmat, err := ifi.MulticastAddrs()
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                if err != nil {
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                        t.Fatalf("MulticastAddrs failed: %v", err)
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                }
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                var found bool
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                for _, ifma := range ifmat {
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                        if ifma.(*IPAddr).IP.Equal(tt.gaddr.IP) {
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                                found = true
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                                break
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                        }
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                }
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                if !found {
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                        t.Fatalf("%q not found in RIB", tt.gaddr.String())
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                }
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        }
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}
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func TestSimpleListenMulticastUDP(t *testing.T) {
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        switch runtime.GOOS {
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        case "plan9":
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                return
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        }
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        for _, tt := range listenMulticastUDPTests {
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                if tt.ipv6 {
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                        continue
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                }
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                tt.flags = FlagUp | FlagMulticast
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                ift, err := Interfaces()
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                if err != nil {
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                        t.Fatalf("Interfaces failed: %v", err)
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                }
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                var ifi *Interface
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                for _, x := range ift {
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                        if x.Flags&tt.flags == tt.flags {
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                                ifi = &x
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                                break
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                        }
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                }
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                if ifi == nil {
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                        t.Logf("an appropriate multicast interface not found")
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                        return
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                }
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                c, err := ListenMulticastUDP(tt.net, ifi, tt.gaddr)
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                if err != nil {
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                        t.Fatalf("ListenMulticastUDP failed: %v", err)
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                }
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                c.Close()
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        }
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}
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func testIPv4MulticastSocketOptions(t *testing.T, fd *netFD, ifi *Interface) {
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        ifmc, err := ipv4MulticastInterface(fd)
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        if err != nil {
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                t.Fatalf("ipv4MulticastInterface failed: %v", err)
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        }
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        t.Logf("IPv4 multicast interface: %v", ifmc)
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        err = setIPv4MulticastInterface(fd, ifi)
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        if err != nil {
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                t.Fatalf("setIPv4MulticastInterface failed: %v", err)
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        }
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        ttl, err := ipv4MulticastTTL(fd)
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        if err != nil {
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                t.Fatalf("ipv4MulticastTTL failed: %v", err)
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        }
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        t.Logf("IPv4 multicast TTL: %v", ttl)
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        err = setIPv4MulticastTTL(fd, 1)
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        if err != nil {
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                t.Fatalf("setIPv4MulticastTTL failed: %v", err)
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        }
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        loop, err := ipv4MulticastLoopback(fd)
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        if err != nil {
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                t.Fatalf("ipv4MulticastLoopback failed: %v", err)
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        }
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        t.Logf("IPv4 multicast loopback: %v", loop)
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        err = setIPv4MulticastLoopback(fd, false)
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        if err != nil {
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                t.Fatalf("setIPv4MulticastLoopback failed: %v", err)
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        }
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}
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func testIPv6MulticastSocketOptions(t *testing.T, fd *netFD, ifi *Interface) {
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        ifmc, err := ipv6MulticastInterface(fd)
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        if err != nil {
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                t.Fatalf("ipv6MulticastInterface failed: %v", err)
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        }
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        t.Logf("IPv6 multicast interface: %v", ifmc)
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        err = setIPv6MulticastInterface(fd, ifi)
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        if err != nil {
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                t.Fatalf("setIPv6MulticastInterface failed: %v", err)
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        }
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        hoplim, err := ipv6MulticastHopLimit(fd)
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        if err != nil {
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                t.Fatalf("ipv6MulticastHopLimit failed: %v", err)
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        }
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        t.Logf("IPv6 multicast hop limit: %v", hoplim)
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        err = setIPv6MulticastHopLimit(fd, 1)
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        if err != nil {
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                t.Fatalf("setIPv6MulticastHopLimit failed: %v", err)
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        }
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        loop, err := ipv6MulticastLoopback(fd)
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        if err != nil {
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                t.Fatalf("ipv6MulticastLoopback failed: %v", err)
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        }
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        t.Logf("IPv6 multicast loopback: %v", loop)
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        err = setIPv6MulticastLoopback(fd, false)
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        if err != nil {
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                t.Fatalf("setIPv6MulticastLoopback failed: %v", err)
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        }
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}

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