func main() {
var (
debug bool
justVersion bool
c = proxy.Config{ListenAddr: defaultListenAddr}
)
c.Version = version
getopt.BoolVarLong(&debug, "debug", 'd', "log debugging information")
getopt.BoolVarLong(&justVersion, "version", 0, "print version and exit")
getopt.StringVar(&c.ListenAddr, 'H', fmt.Sprintf("address on which to listen (default %s)", defaultListenAddr))
getopt.BoolVarLong(&c.NoDefaultIPAM, "no-default-ipam", 0, "do not automatically allocate addresses for containers without a WEAVE_CIDR")
getopt.StringVarLong(&c.TLSConfig.CACert, "tlscacert", 0, "Trust certs signed only by this CA")
getopt.StringVarLong(&c.TLSConfig.Cert, "tlscert", 0, "Path to TLS certificate file")
getopt.BoolVarLong(&c.TLSConfig.Enabled, "tls", 0, "Use TLS; implied by --tlsverify")
getopt.StringVarLong(&c.TLSConfig.Key, "tlskey", 0, "Path to TLS key file")
getopt.BoolVarLong(&c.TLSConfig.Verify, "tlsverify", 0, "Use TLS and verify the remote")
getopt.BoolVarLong(&c.WithDNS, "with-dns", 'w', "instruct created containers to always use weaveDNS as their nameserver")
getopt.BoolVarLong(&c.WithoutDNS, "without-dns", 0, "instruct created containers to never use weaveDNS as their nameserver")
getopt.Parse()
if justVersion {
fmt.Printf("weave proxy %s\n", version)
os.Exit(0)
}
if c.WithDNS && c.WithoutDNS {
Error.Fatalf("Cannot use both '--with-dns' and '--without-dns' flags")
}
if debug {
InitDefaultLogging(true)
}
Info.Println("weave proxy", version)
Info.Println("Command line arguments:", strings.Join(os.Args[1:], " "))
protoAddrParts := strings.SplitN(c.ListenAddr, "://", 2)
if len(protoAddrParts) == 2 {
if protoAddrParts[0] != "tcp" {
Error.Fatalf("Invalid protocol format: %q", protoAddrParts[0])
}
c.ListenAddr = protoAddrParts[1]
} else {
c.ListenAddr = protoAddrParts[0]
}
p, err := proxy.NewProxy(c)
if err != nil {
Error.Fatalf("Could not start proxy: %s", err)
}
if err := p.ListenAndServe(); err != nil {
Error.Fatalf("Could not listen on %s: %s", p.ListenAddr, err)
}
}
func main() {
log.SetFlags(log.LstdFlags | log.Lshortfile)
// var needle string
// var filepattern string
var distance int
var patternFile string
var help bool
var verbose bool
var simpleoutput bool
getopt.IntVarLong(&distance, "edit", 'e', "Compute the approximate matching", "max_dist")
getopt.StringVarLong(&patternFile, "pattern", 'p', "Use line-break separated patterns from a file", "filepath")
getopt.StringVarLong(&cpuprofile, "cpuprofile", 0, "Write cpuprofile file", "path")
getopt.StringVarLong(&memprofile, "memprofile", 0, "Write memprofile file", "path")
getopt.BoolVarLong(&help, "help", 'h', "Shows this message")
getopt.BoolVarLong(&verbose, "verbose", 'v', "Show log messages")
getopt.BoolVarLong(&simpleoutput, "simple", 's', "Show simple output")
getopt.SetProgram("pmt")
getopt.SetParameters("needle [haystack ...]")
getopt.SetUsage(func() {
getopt.PrintUsage(os.Stderr)
fmt.Fprintf(os.Stderr, "needle - only if -p was not used\n")
fmt.Fprint(os.Stderr, "haystack\n")
})
getopt.Parse()
if cpuprofile != "" {
f, err := os.Create(cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
if help {
getopt.Usage()
return
}
var patterns []string
var files []string
if patternFile == "" {
// if(len(getopt.Args() )
if getopt.NArgs() < 1 {
fmt.Fprintf(os.Stderr, "Needle is missing!\n")
getopt.Usage()
os.Exit(1)
}
patterns = getopt.Args()[:1]
files = getopt.Args()[1:]
} else {
var err error
patterns, err = readLinesFromFile(patternFile)
if err != nil {
log.Fatal(err)
}
files = getopt.Args()
}
if verbose {
log.Printf("%v %v %v\n", patterns, files, distance)
}
fileset := findFilesMatch(files)
if distance == 0 {
if len(patterns) == 1 {
matcher := streammatch.NewKMP([]byte(patterns[0]))
for fp, _ := range fileset {
file, err := os.Open(fp)
if err != nil {
log.Fatal(err)
}
matches, err := processSingleExactMatcher(file, matcher, true)
if err != nil {
log.Fatal(err)
}
if !simpleoutput {
printMatches(fp, file, patterns, matches, distance)
if len(matches) > 0 {
fmt.Println("###")
}
} else {
printSimpleMatches(fp, file, patterns, matches)
}
}
} else if len(patterns) > 1 {
bpatterns := make([][]byte, len(patterns))
for i, pattern := range patterns {
bpatterns[i] = []byte(pattern)
}
matcher := streammatch.NewAhoCorasick(bpatterns)
for fp, _ := range fileset {
file, err := os.Open(fp)
if err != nil {
log.Fatal(err)
}
matches, err := processMultiExactMatcher(file, matcher)
if err != nil {
log.Fatal(err)
}
if !simpleoutput {
printMatches(fp, file, patterns, matches, distance)
if len(matches) > 0 {
fmt.Println("###")
}
} else {
printSimpleMatches(fp, file, patterns, matches)
}
}
}
} else {
matchers := make([]streammatch.Matcher, 0, len(patterns))
for i := 0; i < len(patterns); i++ {
matchers = append(matchers, streammatch.NewSellers([]byte(patterns[i]), distance))
}
for fp, _ := range fileset {
file, err := os.Open(fp)
if err != nil {
log.Fatal(err)
}
bufreader := bufio.NewReaderSize(file, defaultBufSize)
allmatches := make([]matchRecord, 0, 2)
for _, matcher := range matchers {
_, err := file.Seek(0, 0)
if err != nil {
log.Fatal(err)
}
bufreader.Reset(file)
matches, err := processSingleExactMatcher(bufreader, matcher, false)
if err != nil {
log.Fatal(err)
}
allmatches = append(allmatches, matches...)
}
sort.Stable(matchRecordList(allmatches))
if !simpleoutput {
printMatches(fp, file, patterns, allmatches, distance)
if len(allmatches) > 0 {
fmt.Println("###")
}
} else {
printSimpleMatches(fp, file, patterns, allmatches)
}
}
}
if memprofile != "" {
f, err := os.Create(memprofile)
if err != nil {
log.Fatal(err)
}
pprof.WriteHeapProfile(f)
defer f.Close()
return
}
}