diff options
Diffstat (limited to 'vendor/github.com/google/gopacket/examples/pcapdump/main.go')
-rw-r--r-- | vendor/github.com/google/gopacket/examples/pcapdump/main.go | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/vendor/github.com/google/gopacket/examples/pcapdump/main.go b/vendor/github.com/google/gopacket/examples/pcapdump/main.go deleted file mode 100644 index 373dee2..0000000 --- a/vendor/github.com/google/gopacket/examples/pcapdump/main.go +++ /dev/null @@ -1,73 +0,0 @@ -// Copyright 2012 Google, Inc. All rights reserved. -// -// Use of this source code is governed by a BSD-style license -// that can be found in the LICENSE file in the root of the source -// tree. - -// The pcapdump binary implements a tcpdump-like command line tool with gopacket -// using pcap as a backend data collection mechanism. -package main - -import ( - "flag" - "fmt" - "github.com/google/gopacket/dumpcommand" - "github.com/google/gopacket/examples/util" - "github.com/google/gopacket/pcap" - "log" - "os" - "strings" - "time" -) - -var iface = flag.String("i", "eth0", "Interface to read packets from") -var fname = flag.String("r", "", "Filename to read from, overrides -i") -var snaplen = flag.Int("s", 65536, "Snap length (number of bytes max to read per packet") -var tstype = flag.String("timestamp_type", "", "Type of timestamps to use") -var promisc = flag.Bool("promisc", true, "Set promiscuous mode") - -func main() { - defer util.Run()() - var handle *pcap.Handle - var err error - if *fname != "" { - if handle, err = pcap.OpenOffline(*fname); err != nil { - log.Fatal("PCAP OpenOffline error:", err) - } - } else { - // This is a little complicated because we want to allow all possible options - // for creating the packet capture handle... instead of all this you can - // just call pcap.OpenLive if you want a simple handle. - inactive, err := pcap.NewInactiveHandle(*iface) - if err != nil { - log.Fatalf("could not create: %v", err) - } - defer inactive.CleanUp() - if err = inactive.SetSnapLen(*snaplen); err != nil { - log.Fatalf("could not set snap length: %v", err) - } else if err = inactive.SetPromisc(*promisc); err != nil { - log.Fatalf("could not set promisc mode: %v", err) - } else if err = inactive.SetTimeout(time.Second); err != nil { - log.Fatalf("could not set timeout: %v", err) - } - if *tstype != "" { - if t, err := pcap.TimestampSourceFromString(*tstype); err != nil { - log.Fatalf("Supported timestamp types: %v", inactive.SupportedTimestamps()) - } else if err := inactive.SetTimestampSource(t); err != nil { - log.Fatalf("Supported timestamp types: %v", inactive.SupportedTimestamps()) - } - } - if handle, err = inactive.Activate(); err != nil { - log.Fatal("PCAP Activate error:", err) - } - defer handle.Close() - } - if len(flag.Args()) > 0 { - bpffilter := strings.Join(flag.Args(), " ") - fmt.Fprintf(os.Stderr, "Using BPF filter %q\n", bpffilter) - if err = handle.SetBPFFilter(bpffilter); err != nil { - log.Fatal("BPF filter error:", err) - } - } - dumpcommand.Run(handle) -} |