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2b4d1e8101
Also introduces a "Trace" member to the API, for the future addition of extremely verbose and complete tracing, to be used for bug reports. But for now, only Log is used.
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
// Copyright 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package pixiecore
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import (
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"bytes"
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"errors"
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"io"
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"io/ioutil"
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"net"
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"strconv"
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"go.universe.tf/netboot/tftp"
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)
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func (s *Server) serveTFTP(l net.PacketConn) {
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ts := tftp.Server{
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Handler: s.handleTFTP,
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InfoLog: func(msg string) { s.logf(msg) },
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}
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err := ts.Serve(l)
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if err != nil {
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// TODO: fatal errors that return from one of the handler
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// goroutines should plumb the error back to the
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// coordinating goroutine, so that it can do an orderly
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// shutdown and return the error from Serve(). This "log +
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// randomly stop a piece of pixiecore" is a terrible
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// kludge.
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s.logf("TFTP server shut down unexpectedly: %s", err)
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}
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}
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func (s *Server) handleTFTP(path string, clientAddr net.Addr) (io.ReadCloser, int64, error) {
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i, err := strconv.Atoi(path)
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if err != nil {
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return nil, 0, errors.New("not found")
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}
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bs, ok := s.Ipxe[Firmware(i)]
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if !ok {
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return nil, 0, errors.New("not found")
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}
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return ioutil.NopCloser(bytes.NewBuffer(bs)), int64(len(bs)), nil
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}
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