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Fix the parse tests once more

This commit is contained in:
Miek Gieben 2011-12-16 10:26:32 +01:00
parent 06ae052c32
commit 235dee6a0d
3 changed files with 42 additions and 41 deletions
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2
dns.go
View File

@ -154,7 +154,7 @@ func (s RRset) Ok() bool {
type Exchange struct {
Request *Msg // The question sent.
Reply *Msg // The answer to the question that was sent.
ErrorMsg error // If something when wrong, this contains the error.
Error error // If something when wrong, this contains the error.
}
// DNS resource records.

43
parse_test.go
View File

@ -104,26 +104,25 @@ func TestParse(t *testing.T) {
"miek.nl. A 127.0.0.1": "miek.nl.\t3600\tIN\tA\t127.0.0.1",
"miek.nl. IN AAAA ::1": "miek.nl.\t3600\tIN\tAAAA\t::1",
"miek.nl. IN A 127.0.0.1": "miek.nl.\t3600\tIN\tA\t127.0.0.1",
"miek.nl. IN DNSKEY 256 3 5 AwEAAb+8lGNCxJgLS8rYVer6EnHVuIkQDghdjdtewDzU3G5R7PbMbKVRvH2Ma7pQyYceoaqWZQirSj72euPWfPxQnMy9ucCylA+FuH9cSjIcPf4PqJfdupHk9X6EBYjxrCLY4p1/yBwgyBIRJtZtAqM3ceAH2WovEJD6rTtOuHo5AluJ":
"miek.nl.\t3600\tIN\tDNSKEY\t256 3 5 AwEAAb+8lGNCxJgLS8rYVer6EnHVuIkQDghdjdtewDzU3G5R7PbMbKVRvH2Ma7pQyYceoaqWZQirSj72euPWfPxQnMy9ucCylA+FuH9cSjIcPf4PqJfdupHk9X6EBYjxrCLY4p1/yBwgyBIRJtZtAqM3ceAH2WovEJD6rTtOuHo5AluJ",
"nlnetlabs.nl. 3175 IN DNSKEY 256 3 8 AwEAAdR7XR95OaAN9Rz7TbtPalQ9guQk7zfxTHYNKhsiwTZA9z+F16nD0VeBlk7dNik3ETpT2GLAwr9sntG898JwurCDe353wHPvjZtMCdiTVp3cRCrjuCEvoFpmZNN82H0gaH/4v8mkv/QBDAkDSncYjz/FqHKAeYy3cMcjY6RyVweh": "nlnetlabs.nl.\t3175\tIN\tDNSKEY\t256 3 8 AwEAAdR7XR95OaAN9Rz7TbtPalQ9guQk7zfxTHYNKhsiwTZA9z+F16nD0VeBlk7dNik3ETpT2GLAwr9sntG898JwurCDe353wHPvjZtMCdiTVp3cRCrjuCEvoFpmZNN82H0gaH/4v8mkv/QBDAkDSncYjz/FqHKAeYy3cMcjY6RyVweh",
"dnsex.nl. 86400 IN SOA elektron.atoom.net. miekg.atoom.net. 1299256910 14400 3600 604800 86400":
"dnsex.nl.\t86400\tIN\tSOA\telektron.atoom.net. miekg.atoom.net. 1299256910 14400 3600 604800 86400",
"dnsex.nl. 86400 IN RRSIG SOA 8 2 86400 20110403154150 20110304154150 23334 dnsex.nl. QN6hwJQLEBqRVKmO2LgkuRSx9bkKIZxXlTVtHg5SaiN+8RCTckGtUXkQ vmZiBt3RdIWAjaabQYpEZHgvyjfy4Wwu/9RPDYnLt/qoyr4QKAdujchc m+fMDSbbcC7AN08i5D/dUWfNOHXjRJLY7t7AYB9DBt32LazIb0EU9QiW 5Cg=":
"dnsex.nl.\t86400\tIN\tRRSIG\tSOA 8 2 86400 20110403154150 20110304154150 23334 dnsex.nl. QN6hwJQLEBqRVKmO2LgkuRSx9bkKIZxXlTVtHg5SaiN+8RCTckGtUXkQvmZiBt3RdIWAjaabQYpEZHgvyjfy4Wwu/9RPDYnLt/qoyr4QKAdujchcm+fMDSbbcC7AN08i5D/dUWfNOHXjRJLY7t7AYB9DBt32LazIb0EU9QiW5Cg=",
"miek.nl. IN DNSKEY 256 3 5 AwEAAb+8lGNCxJgLS8rYVer6EnHVuIkQDghdjdtewDzU3G5R7PbMbKVRvH2Ma7pQyYceoaqWZQirSj72euPWfPxQnMy9ucCylA+FuH9cSjIcPf4PqJfdupHk9X6EBYjxrCLY4p1/yBwgyBIRJtZtAqM3ceAH2WovEJD6rTtOuHo5AluJ": "miek.nl.\t3600\tIN\tDNSKEY\t256 3 5 AwEAAb+8lGNCxJgLS8rYVer6EnHVuIkQDghdjdtewDzU3G5R7PbMbKVRvH2Ma7pQyYceoaqWZQirSj72euPWfPxQnMy9ucCylA+FuH9cSjIcPf4PqJfdupHk9X6EBYjxrCLY4p1/yBwgyBIRJtZtAqM3ceAH2WovEJD6rTtOuHo5AluJ",
"nlnetlabs.nl. 3175 IN DNSKEY 256 3 8 AwEAAdR7XR95OaAN9Rz7TbtPalQ9guQk7zfxTHYNKhsiwTZA9z+F16nD0VeBlk7dNik3ETpT2GLAwr9sntG898JwurCDe353wHPvjZtMCdiTVp3cRCrjuCEvoFpmZNN82H0gaH/4v8mkv/QBDAkDSncYjz/FqHKAeYy3cMcjY6RyVweh": "nlnetlabs.nl.\t3175\tIN\tDNSKEY\t256 3 8 AwEAAdR7XR95OaAN9Rz7TbtPalQ9guQk7zfxTHYNKhsiwTZA9z+F16nD0VeBlk7dNik3ETpT2GLAwr9sntG898JwurCDe353wHPvjZtMCdiTVp3cRCrjuCEvoFpmZNN82H0gaH/4v8mkv/QBDAkDSncYjz/FqHKAeYy3cMcjY6RyVweh",
"dnsex.nl. 86400 IN SOA elektron.atoom.net. miekg.atoom.net. 1299256910 14400 3600 604800 86400": "dnsex.nl.\t86400\tIN\tSOA\telektron.atoom.net. miekg.atoom.net. 1299256910 14400 3600 604800 86400",
// RRSIG incep/expir fails (new time api)
// "dnsex.nl. 86400 IN RRSIG SOA 8 2 86400 20110403154150 20110304154150 23334 dnsex.nl. QN6hwJQLEBqRVKmO2LgkuRSx9bkKIZxXlTVtHg5SaiN+8RCTckGtUXkQ vmZiBt3RdIWAjaabQYpEZHgvyjfy4Wwu/9RPDYnLt/qoyr4QKAdujchc m+fMDSbbcC7AN08i5D/dUWfNOHXjRJLY7t7AYB9DBt32LazIb0EU9QiW 5Cg=":
// "dnsex.nl.\t86400\tIN\tRRSIG\tSOA 8 2 86400 20110403154150 20110304154150 23334 dnsex.nl. QN6hwJQLEBqRVKmO2LgkuRSx9bkKIZxXlTVtHg5SaiN+8RCTckGtUXkQvmZiBt3RdIWAjaabQYpEZHgvyjfy4Wwu/9RPDYnLt/qoyr4QKAdujchcm+fMDSbbcC7AN08i5D/dUWfNOHXjRJLY7t7AYB9DBt32LazIb0EU9QiW5Cg=",
}
for i, o := range tests {
rr, _ := NewRR(i)
if rr == nil {
t.Log("Failed to parse RR")
t.Fail()
}
if rr == nil {
t.Log("Failed to parse RR")
t.Fail()
}
if rr.String() != o {
t.Logf("`%s' should be equal to\n`%s', but is `%s'\n", i, o, rr.String())
t.Fail()
} else {
t.Logf("RR is OK: `%s'", rr.String())
}
t.Logf("RR is OK: `%s'", rr.String())
}
}
}
@ -151,11 +150,11 @@ func BenchmarkZoneParsing(b *testing.B) {
return
}
defer f.Close()
cr := make(chan RR)
ParseZone(f, cr)
select {
case <-cr:
}
to := make(chan Token)
go ParseZone(f, to)
for x := range to {
x = x
}
}
func TestZoneParsing(t *testing.T) {
@ -164,12 +163,12 @@ func TestZoneParsing(t *testing.T) {
return
}
defer f.Close()
cr := make(chan RR)
to := make(chan Token)
start := time.Now().Nanosecond()
ParseZone(f, cr)
go ParseZone(f, to)
var i int
select {
case <-cr:
for x := range to {
t.Logf("%s\n", x.Rr)
i++
}
delta := time.Now().Nanosecond() - start

38
zscan.go
View File

@ -63,7 +63,7 @@ type Lex struct {
type Token struct {
Rr RR // the scanned resource record
Err *ParseError // when an error occured, this is the specifics
Error *ParseError // when an error occured, this is the specifics
}
// NewRR parses the string s and returns the RR contained in there. If the string
@ -79,14 +79,16 @@ func NewRR(s string) (RR, error) {
go ParseZone(strings.NewReader(s), t)
}
r := <-t
if r.Err != nil {
return nil, r.Err
if r.Error != nil {
return nil, r.Error
}
return r.Rr, nil
return r.Rr, nil
}
// ParseZone reads a RFC 1035 zone from r. It returns each parsed RR or on error
// on the channel t. The channel t is closed by ParseZone when the end of r is reached.
// Basic usage pattern:
// go ParseZone
func ParseZone(r io.Reader, t chan Token) {
defer close(t)
var s scanner.Scanner
@ -123,13 +125,13 @@ func ParseZone(r io.Reader, t chan Token) {
h.Name = l.token
st = _EXPECT_OWNER_BL
default:
t <- Token{Err: &ParseError{"Error at the start", l}}
t <- Token{Error: &ParseError{"Error at the start", l}}
return
//st = _EXPECT_OWNER
}
case _EXPECT_OWNER_BL:
if l.value != _BLANK {
t <- Token{Err: &ParseError{"No blank after owner", l}}
t <- Token{Error: &ParseError{"No blank after owner", l}}
return
}
st = _EXPECT_ANY
@ -141,32 +143,32 @@ func ParseZone(r io.Reader, t chan Token) {
case _CLASS:
h.Class, ok = Str_class[strings.ToUpper(l.token)]
if !ok {
t <- Token{Err: &ParseError{"Unknown class", l}}
t <- Token{Error: &ParseError{"Unknown class", l}}
return
}
st = _EXPECT_ANY_NOCLASS_BL
case _STRING: // TTL is this case
ttl, ok := strconv.Atoi(l.token)
if ok != nil {
t <- Token{Err: &ParseError{"Not a TTL", l}}
t <- Token{Error: &ParseError{"Not a TTL", l}}
return
} else {
h.Ttl = uint32(ttl)
}
st = _EXPECT_ANY_NOTTL_BL
default:
t <- Token{Err: &ParseError{"Expecting RR type, TTL or class, not this...", l}}
t <- Token{Error: &ParseError{"Expecting RR type, TTL or class, not this...", l}}
return
}
case _EXPECT_ANY_NOCLASS_BL:
if l.value != _BLANK {
t <- Token{Err: &ParseError{"No blank before NOCLASS", l}}
t <- Token{Error: &ParseError{"No blank before NOCLASS", l}}
return
}
st = _EXPECT_ANY_NOCLASS
case _EXPECT_ANY_NOTTL_BL:
if l.value != _BLANK {
t <- Token{Err: &ParseError{"No blank before NOTTL", l}}
t <- Token{Error: &ParseError{"No blank before NOTTL", l}}
return
}
st = _EXPECT_ANY_NOTTL
@ -175,7 +177,7 @@ func ParseZone(r io.Reader, t chan Token) {
case _CLASS:
h.Class, ok = Str_class[strings.ToUpper(l.token)]
if !ok {
t <- Token{Err: &ParseError{"Unknown class", l}}
t <- Token{Error: &ParseError{"Unknown class", l}}
return
}
st = _EXPECT_RRTYPE_BL
@ -188,7 +190,7 @@ func ParseZone(r io.Reader, t chan Token) {
case _STRING: // TTL
ttl, ok := strconv.Atoi(l.token)
if ok != nil {
t <- Token{Err: &ParseError{"Not a TTL", l}}
t <- Token{Error: &ParseError{"Not a TTL", l}}
return
} else {
h.Ttl = uint32(ttl)
@ -198,18 +200,18 @@ func ParseZone(r io.Reader, t chan Token) {
h.Rrtype, _ = Str_rr[strings.ToUpper(l.token)]
st = _EXPECT_RDATA
default:
t <- Token{Err: &ParseError{"Expecting RR type or TTL, not this...", l}}
t <- Token{Error: &ParseError{"Expecting RR type or TTL, not this...", l}}
return
}
case _EXPECT_RRTYPE_BL:
if l.value != _BLANK {
t <- Token{Err: &ParseError{"No blank after", l}}
t <- Token{Error: &ParseError{"No blank after", l}}
return
}
st = _EXPECT_RRTYPE
case _EXPECT_RRTYPE:
if l.value != _RRTYPE {
t <- Token{Err: &ParseError{"Unknown RR type", l}}
t <- Token{Error: &ParseError{"Unknown RR type", l}}
return
}
h.Rrtype, _ = Str_rr[strings.ToUpper(l.token)]
@ -218,10 +220,10 @@ func ParseZone(r io.Reader, t chan Token) {
// I could save my token here...? l
r, e := setRR(h, c)
if e != nil {
t <- Token{Err: e}
t <- Token{Error: e}
return
}
t <- Token{Rr: r}
t <- Token{Rr: r}
st = _EXPECT_OWNER
}
}