forked from x/icebergs
70 lines
2.4 KiB
Go
70 lines
2.4 KiB
Go
package web
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import (
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"net"
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ice "shylinux.com/x/icebergs"
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"shylinux.com/x/icebergs/base/aaa"
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"shylinux.com/x/icebergs/base/ctx"
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"shylinux.com/x/icebergs/base/mdb"
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"shylinux.com/x/icebergs/base/tcp"
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kit "shylinux.com/x/toolkits"
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"shylinux.com/x/toolkits/logs"
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)
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func _broad_addr(m *ice.Message, host, port string) *net.UDPAddr {
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if addr, e := net.ResolveUDPAddr("udp4", kit.Format("%s:%s", host, port)); !m.Warn(e != nil, e, host, port, logs.FileLineMeta(logs.FileLine(2))) {
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return addr
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}
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return nil
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}
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func _broad_send(m *ice.Message, host, port string, remote_host, remote_port string) {
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if s, e := net.DialUDP("udp", nil, _broad_addr(m, remote_host, remote_port)); m.Assert(e) {
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defer s.Close()
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msg := m.Spawn(kit.Dict(tcp.HOST, host, tcp.PORT, port))
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m.Logs(mdb.EXPORT, BROAD, msg.FormatMeta(), "to", remote_host+ice.DF+remote_port)
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s.Write([]byte(msg.FormatMeta()))
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}
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}
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func _broad_serve(m *ice.Message, host, port string) {
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_broad_send(m, host, port, "255.255.255.255", "9020")
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if s, e := net.ListenUDP("udp4", _broad_addr(m, "0.0.0.0", port)); m.Assert(e) {
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defer s.Close()
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defer mdb.HashCreateDeferRemove(m, tcp.HOST, host, tcp.PORT, port, kit.Dict(mdb.TARGET, s))()
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buf := make([]byte, ice.MOD_BUFS)
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for {
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n, addr, err := s.ReadFromUDP(buf[:])
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if err != nil {
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break
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}
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m.Logs(mdb.IMPORT, BROAD, string(buf[:n]), "from", addr)
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msg := m.Spawn(buf[:n])
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if m.Cmd(BROAD, kit.Format("%s,%s", msg.Option(tcp.HOST), msg.Option(tcp.PORT))).Length() > 0 {
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continue
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}
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if remote := _broad_addr(m, msg.Option(tcp.HOST), msg.Option(tcp.PORT)); !m.Warn(remote == nil) {
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m.Cmd(BROAD, func(value ice.Maps) {
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m.Logs(mdb.EXPORT, BROAD, kit.Format(value), "to", kit.Format(remote))
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s.WriteToUDP([]byte(m.Spawn(value).FormatMeta()), remote)
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})
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mdb.HashCreate(m, msg.OptionSimple(tcp.HOST, tcp.PORT))
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}
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}
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}
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}
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const BROAD = "broad"
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func init() {
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Index.MergeCommands(ice.Commands{
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BROAD: {Name: "broad hash auto serve", Help: "广播", Actions: ice.MergeActions(ice.Actions{
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SERVE: {Name: "serve port=9020", Hand: func(m *ice.Message, arg ...string) {
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_broad_serve(m, m.Cmd(tcp.HOST).Append(aaa.IP), m.Option(tcp.PORT))
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}},
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OPEN: {Hand: func(m *ice.Message, arg ...string) {
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ctx.ProcessOpen(m, kit.Format("http://%s:%s", m.Option(tcp.HOST), m.Option(tcp.PORT)))
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}},
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}, mdb.HashAction(mdb.SHORT, "host,port", mdb.FIELD, "time,hash,host,port", mdb.ACTION, OPEN), mdb.ClearHashOnExitAction())},
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})
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}
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