func main() {
db, err := sql.Open("postgres", "user=postgres host=localhost port=5432 dbname=example_db sslmode=disable")
if err != nil {
log.Fatalln(err)
}
defer func() {
fmt.Println("close.")
if err := db.Close(); err != nil {
log.Fatalln(err)
}
}()
// resetDB(db)
if tx, err := db.Begin(); err != nil {
log.Fatalln("begin ", err)
} else {
var r *rand.Rand = rand.New(rand.NewSource(time.Now().UnixNano()))
if res, err := tx.Exec(INSERT_TEST_TBL, r.Int31(), "hoge", "fugafuga"); err != nil {
log.Fatalln("insert query ", err)
} else {
fmt.Printf("%+v\n", res)
}
defer func() {
fmt.Println("commit.")
if err := tx.Commit(); err != nil {
log.Fatalln(err)
}
}()
}
}
func GenerateDomain(r *rand.Rand, size int) []byte {
dnLen := size % 70 // artificially limit size so there's less to intrepret if a failure occurs
var dn []byte
done := false
for i := 0; i < dnLen && !done; {
max := dnLen - i
if max > 63 {
max = 63
}
lLen := max
if lLen != 0 {
lLen = int(r.Int31()) % max
}
done = lLen == 0
if done {
continue
}
l := make([]byte, lLen+1)
l[0] = byte(lLen)
for j := 0; j < lLen; j++ {
l[j+1] = byte(rand.Int31())
}
dn = append(dn, l...)
i += 1 + lLen
}
return append(dn, 0)
}
// Generates a random number according to the distribution using the rng passed.
func (al *Alias) Gen(rng *rand.Rand) uint32 {
ri := uint32(rng.Int31())
w := ri % uint32(len(al.table))
if ri > al.table[w].prob {
return al.table[w].alias
}
return w
}
// Generate a Random secret encoded as a b32 string
// If the length is <= 0, a default length of 10 bytes will
// be used, which will generate a secret of length 16.
func RandomSecret(length int, rnd *rand.Rand) string {
if 0 <= length {
length = 10
}
secret := make([]byte, length)
for i, _ := range secret {
secret[i] = byte(rnd.Int31() % 256)
}
return base32.StdEncoding.EncodeToString(secret)
}
func randomNameList(rand *rand.Rand) []string {
ret := make([]string, rand.Int31()&15)
for i := range ret {
s := make([]byte, 1+(rand.Int31()&15))
for j := range s {
s[j] = 'a' + uint8(rand.Int31()&15)
}
ret[i] = string(s)
}
return ret
}
func NonZeroRand32(rnd *rand.Rand) int32 {
for {
r := rnd.Int31()
if r == 0 {
continue
}
if rnd.Intn(1) != 0 {
return -r
}
return r
}
}
func randomBytes(n int, rand *rand.Rand) []byte {
r := make([]byte, n)
for i := 0; i < n; i++ {
r[i] = byte(rand.Int31())
}
return r
}
func (*serverHelloMsg) Generate(rand *rand.Rand, size int) reflect.Value {
m := &serverHelloMsg{}
m.vers = uint16(rand.Intn(65536))
m.random = randomBytes(32, rand)
m.sessionId = randomBytes(rand.Intn(32), rand)
m.cipherSuite = uint16(rand.Int31())
m.compressionMethod = uint8(rand.Intn(256))
if rand.Intn(10) > 5 {
m.nextProtoNeg = true
n := rand.Intn(10)
m.nextProtos = make([]string, n)
for i := 0; i < n; i++ {
m.nextProtos[i] = randomString(20, rand)
}
}
if rand.Intn(10) > 5 {
m.ocspStapling = true
}
if rand.Intn(10) > 5 {
m.ticketSupported = true
}
return reflect.ValueOf(m)
}
func (*clientHelloMsg) Generate(rand *rand.Rand, size int) reflect.Value {
m := &clientHelloMsg{}
m.vers = uint16(rand.Intn(65536))
m.random = randomBytes(32, rand)
m.sessionId = randomBytes(rand.Intn(32), rand)
m.cipherSuites = make([]uint16, rand.Intn(63)+1)
for i := 0; i < len(m.cipherSuites); i++ {
m.cipherSuites[i] = uint16(rand.Int31())
}
m.compressionMethods = randomBytes(rand.Intn(63)+1, rand)
if rand.Intn(10) > 5 {
m.nextProtoNeg = true
}
if rand.Intn(10) > 5 {
m.serverName = randomString(rand.Intn(255), rand)
}
m.ocspStapling = rand.Intn(10) > 5
m.supportedPoints = randomBytes(rand.Intn(5)+1, rand)
m.supportedCurves = make([]CurveID, rand.Intn(5)+1)
for i := range m.supportedCurves {
m.supportedCurves[i] = CurveID(rand.Intn(30000))
}
if rand.Intn(10) > 5 {
m.ticketSupported = true
if rand.Intn(10) > 5 {
m.sessionTicket = randomBytes(rand.Intn(300), rand)
}
}
if rand.Intn(10) > 5 {
m.signatureAndHashes = supportedSKXSignatureAlgorithms
}
return reflect.ValueOf(m)
}
func GenerateTXT(r *rand.Rand, size int) []byte {
rdLen := size % 300 // artificially limit size so there's less to intrepret if a failure occurs
var rd []byte
for i := 0; i < rdLen; {
max := rdLen - 1
if max > 255 {
max = 255
}
sLen := max
if max != 0 {
sLen = int(r.Int31()) % max
}
s := make([]byte, sLen+1)
s[0] = byte(sLen)
for j := 0; j < sLen; j++ {
s[j+1] = byte(rand.Int31())
}
rd = append(rd, s...)
i += 1 + sLen
}
return rd
}
func (*kexInitMsg) Generate(rand *rand.Rand, size int) reflect.Value {
ki := &kexInitMsg{}
randomBytes(ki.Cookie[:], rand)
ki.KexAlgos = randomNameList(rand)
ki.ServerHostKeyAlgos = randomNameList(rand)
ki.CiphersClientServer = randomNameList(rand)
ki.CiphersServerClient = randomNameList(rand)
ki.MACsClientServer = randomNameList(rand)
ki.MACsServerClient = randomNameList(rand)
ki.CompressionClientServer = randomNameList(rand)
ki.CompressionServerClient = randomNameList(rand)
ki.LanguagesClientServer = randomNameList(rand)
ki.LanguagesServerClient = randomNameList(rand)
if rand.Int31()&1 == 1 {
ki.FirstKexFollows = true
}
return reflect.ValueOf(ki)
}
func timeGenerator(rand *rand.Rand) time.Time {
months := []time.Month{
time.January, time.February, time.March,
time.April, time.May, time.June,
time.July, time.August, time.September,
time.October, time.November, time.December,
}
return time.Date(
rand.Intn(9999),
months[rand.Intn(len(months))],
rand.Intn(31),
rand.Intn(24),
rand.Intn(60),
rand.Intn(60),
int(rand.Int31()),
time.UTC,
)
}
func randomBytes(out []byte, rand *rand.Rand) {
for i := 0; i < len(out); i++ {
out[i] = byte(rand.Int31())
}
}
func NewPopulatedPreAccept(r *math_rand.Rand) *PreAccept {
this := &PreAccept{}
this.LeaderId = r.Int31()
this.Replica = r.Int31()
this.Instance = r.Int31()
this.Ballot = r.Int31()
v1 := r.Intn(100)
this.Command = make([]byte, v1)
for i := 0; i < v1; i++ {
this.Command[i] = byte(r.Intn(256))
}
this.Seq = r.Int31()
for i := 0; i < 5; i++ {
this.Deps[i] = r.Int31()
}
return this
}
func RandomGenerate(r *rand.Rand, b []byte) {
for i, _ := range b {
// the common value in [0x0f, 0xf0]
b[i] = 0x0f + byte(r.Int31()%(256-0x0f-0x0f))
}
}
func getStructureOfOneFile(fileName string, iFile int, r *rand.Rand, H1Index_old *int) {
fmt.Println(" ", fileName)
// Store file name and default section/caption structure
BookStructure.SectionFiles = append(BookStructure.SectionFiles,
SectionFileType{fileName, make([]string, 0, 10), true, false, -1, false, make([]ElementType, 0, 10)})
iSectionFile := len(BookStructure.SectionFiles) - 1
// Open file
file, err1 := os.Open(fileName)
if err1 != nil {
log.Fatal(err1)
}
defer file.Close()
// Query section structure present in file
doc, err := goquery.NewDocumentFromReader(file)
if err != nil {
log.Fatal(err)
}
element := false
iNav := 0
doc.Find("h1,h2,h3,h4,caption,figcaption,a,nav,div.equation,ul.references").Each(func(i int, s *goquery.Selection) {
// Inquire whether nav element is present
if s.Is("nav") {
// Check that nav is before any other element
if element {
fmt.Println("Error: <nav> present after a section/caption/figcaption element on file:", fileName)
fmt.Println(" This is not supported.")
os.Exit(1)
}
// Mark that navigation bar is already present in file.
BookStructure.SectionFiles[iSectionFile].NewNav = false
// Inquire file references in navigation bar
s.Find("a").Each(func(i int, ss *goquery.Selection) {
// Save a new nav file reference
BookStructure.SectionFiles[iSectionFile].NavList = append(BookStructure.SectionFiles[iSectionFile].NavList, ss.AttrOr("href", "???"))
iNav++
})
return
} else {
element = true
}
if s.Is("a") { // Link detected
// Check if link is pointing into the book
if iNav > 0 {
// Link from the navigation bar (ignore it)
iNav--
return
}
href, exists := s.Attr("href")
if !exists {
fmt.Printf("Warning: link <a> without href attribute is ignored in file %s\n", fileName)
BookStructure.SectionFiles[iFile].Elements = append(BookStructure.SectionFiles[iFile].Elements,
ElementType{"<a", "</a>", "", "", "", "", false, "", false})
return
}
if strings.Index(href, "/") == -1 {
// No "/", so link internal to the book
var targetFileName string
var targetID string
tooltip := s.AttrOr("title", "")
IDstart := strings.Index(href, "#")
if IDstart == -1 {
// No "#"
targetFileName = href
targetID = ""
} else if IDstart == 0 {
// "#xxx", so no file name
if len(href) <= 1 {
fmt.Printf("Error: Wrong link '<a href=\"#\">' in file %s\n", fileName)
os.Exit(1)
}
targetFileName = fileName
targetID = href[IDstart+1:]
} else {
// "xxx#yyy"
if IDstart+1 >= len(href) {
targetFileName = href[0:IDstart]
targetID = ""
} else {
targetFileName = href[0:IDstart]
targetID = href[IDstart+1:]
}
}
BookStructure.SectionFiles[iFile].Elements = append(BookStructure.SectionFiles[iFile].Elements,
ElementType{"<a", "</a>", s.Text(), href, targetFileName, tooltip, false, targetID, false})
} else {
BookStructure.SectionFiles[iFile].Elements = append(BookStructure.SectionFiles[iFile].Elements,
ElementType{"<a", "</a>", "", "", "", "", false, "", false})
/*
// External link, check whether it exists
_, err := http.Get(href);
if err != nil {
fmt.Printf("Error when opening link %s\n", href)
*/
}
return
}
// Store id's of references
if s.Is("ul.references") { // references detected
s.Find("li").Each(func(i int, s2 *goquery.Selection) {
id, exists := s2.Attr("id")
if !exists || id == "" || id == "#" {
// No id is present, ignore this list item
return
} else {
// Find text between <strong> ... </strong>
tooltip := ""
s2.Find("strong").Each(func(i int, s3 *goquery.Selection) {
tooltip = s3.Text()
})
// Store id as bookmark
title, exists := s2.Attr("title")
if exists && title != "" {
addBookmark(id, fileName, title, tooltip)
} else {
addBookmark(id, fileName, "", tooltip)
}
}
})
return
}
// Inquire element id and content (= text + label)
var label string
newID := false
id, exists := s.Attr("id")
if !exists || id == "" || id == "#" {
// If no id present, introduce a random value for id
id = strconv.Itoa(int(r.Int31()))
newID = true
}
// text := s.Text()
text, _ := s.Html()
modified := false // = true, if text is modified
var newText string
// Actual index of SectionFiles
iFile := len(BookStructure.SectionFiles) - 1
// Store information
if s.Is("h1") {
Counters.iFigCaption = 0
Counters.iCaption = 0
Counters.iEquation = 0
// Determine chapter number
isec := minInt(len("Chapter"), len(text))
if text[0:isec] == "Chapter" {
// Increment chapter number
Counters.ih1_digit++
Counters.last_h1_type = "Chapter"
} else {
isec = minInt(len("Appendix"), len(text))
if text[0:isec] == "Appendix" {
// Increment appendix number
Counters.ih1_letter++
Counters.last_h1_type = "Appendix"
} else {
Counters.last_h1_type = ""
}
}
// Update h1 section number if necessary and make a new h1 entry in BookStructure
newText, modified, label = updateSectionText(text, 1, 0, 0, 0)
BookStructure.Sections = append(BookStructure.Sections,
SectionType{fileName, id, label, newText, modified,
make([]SectionType, 0, 5),
make([]CaptionType, 0, 5),
make([]EquationType, 0, 5)})
BookStructure.SectionFiles[iFile].Elements = append(BookStructure.SectionFiles[iFile].Elements,
ElementType{"<h1", "</h1>", text, "", newText, "", modified, id, newID})
BookStructure.SectionFiles[iFile].H1Index = len(BookStructure.Sections) - 1
*H1Index_old = len(BookStructure.Sections) - 1
} else if s.Is("h2") {
i1 := len(BookStructure.Sections) - 1
if i1 < 0 {
fmt.Println("h2 defined before h1 in file:", fileName)
os.Exit(1)
}
i2 := len(BookStructure.Sections[i1].Sections)
newText, modified, label = updateSectionText(text, 2, i2+1, 0, 0)
BookStructure.Sections[i1].Sections =
append(BookStructure.Sections[i1].Sections,
SectionType{fileName, id, label, newText, modified,
make([]SectionType, 0, 5),
make([]CaptionType, 0, 5),
make([]EquationType, 0, 5)})
BookStructure.SectionFiles[iFile].Elements = append(BookStructure.SectionFiles[iFile].Elements,
ElementType{"<h2", "</h2>", text, "", newText, "", modified, id, newID})
BookStructure.SectionFiles[iFile].H1Index = *H1Index_old
} else if s.Is("h3") {
i1 := len(BookStructure.Sections) - 1
if i1 < 0 {
fmt.Println("h2 defined before h1 in file:", fileName)
os.Exit(1)
}
i2 := len(BookStructure.Sections[i1].Sections) - 1
if i2 < 0 {
fmt.Println("h3 defined before h2 in file:", fileName)
os.Exit(1)
}
i3 := len(BookStructure.Sections[i1].Sections[i2].Sections)
newText, modified, label = updateSectionText(text, 3, i2+1, i3+1, 0)
BookStructure.Sections[i1].Sections[i2].Sections =
append(BookStructure.Sections[i1].Sections[i2].Sections,
SectionType{fileName, id, label, newText, modified,
make([]SectionType, 0, 5),
make([]CaptionType, 0, 5),
make([]EquationType, 0, 5)})
BookStructure.SectionFiles[iFile].Elements = append(BookStructure.SectionFiles[iFile].Elements,
ElementType{"<h3", "</h3>", text, "", newText, "", modified, id, newID})
BookStructure.SectionFiles[iFile].H1Index = *H1Index_old
} else if s.Is("h4") {
i1 := len(BookStructure.Sections) - 1
if i1 < 0 {
fmt.Println("h2 defined before h1 in file:", fileName)
os.Exit(1)
}
i2 := len(BookStructure.Sections[i1].Sections) - 1
if i2 < 0 {
fmt.Println("h3 defined before h2 in file:", fileName)
os.Exit(1)
}
i3 := len(BookStructure.Sections[i1].Sections[i2].Sections) - 1
if i3 < 0 {
fmt.Println("h4 defined before h3 in file:", fileName)
os.Exit(1)
}
i4 := len(BookStructure.Sections[i1].Sections[i2].Sections[i3].Sections)
newText, modified, label = updateSectionText(text, 4, i2+1, i3+1, i4+1)
BookStructure.Sections[i1].Sections[i2].Sections[i3].Sections =
append(BookStructure.Sections[i1].Sections[i2].Sections[i3].Sections,
SectionType{fileName, id, label, newText, modified,
make([]SectionType, 0, 1),
make([]CaptionType, 0, 1),
make([]EquationType, 0, 5)})
BookStructure.SectionFiles[iFile].Elements = append(BookStructure.SectionFiles[iFile].Elements,
ElementType{"<h4", "</h4>", text, "", newText, "", modified, id, newID})
BookStructure.SectionFiles[iFile].H1Index = *H1Index_old
} else if s.Is("caption") || s.Is("figcaption") {
var fig bool
var iCap int
if s.Is("caption") {
fig = false
Counters.iCaption++
iCap = Counters.iCaption
} else {
fig = true
Counters.iFigCaption++
iCap = Counters.iFigCaption
}
i1 := len(BookStructure.Sections) - 1
if i1 < 0 {
fmt.Printf("caption/figcaption in file \"%s\" defined before first h1 defined in book", fileName)
os.Exit(1)
}
newText, modified, label = updateCaptionText(text, fig, iCap)
i2 := len(BookStructure.Sections[i1].Sections) - 1
if i2 < 0 {
BookStructure.Sections[i1].Captions =
append(BookStructure.Sections[i1].Captions, CaptionType{fileName, id, newText, modified, fig})
} else {
i3 := len(BookStructure.Sections[i1].Sections[i2].Sections) - 1
if i3 < 0 {
BookStructure.Sections[i1].Sections[i2].Captions =
append(BookStructure.Sections[i1].Sections[i2].Captions,
CaptionType{fileName, id, newText, modified, fig})
} else {
i4 := len(BookStructure.Sections[i1].Sections[i2].Sections[i3].Sections) - 1
if i4 < 0 {
BookStructure.Sections[i1].Sections[i2].Sections[i3].Captions =
append(BookStructure.Sections[i1].Sections[i2].Sections[i3].Captions,
CaptionType{fileName, id, newText, modified, fig})
} else {
BookStructure.Sections[i1].Sections[i2].Sections[i3].Sections[i4].Captions =
append(BookStructure.Sections[i1].Sections[i2].Sections[i3].Sections[i4].Captions,
CaptionType{fileName, id, newText, modified, fig})
}
}
}
if fig {
BookStructure.SectionFiles[iFile].Elements = append(BookStructure.SectionFiles[iFile].Elements,
ElementType{"<figcaption", "</figcaption>", text, "", newText, "", modified, id, newID})
} else {
BookStructure.SectionFiles[iFile].Elements = append(BookStructure.SectionFiles[iFile].Elements,
ElementType{"<caption", "</caption>", text, "", newText, "", modified, id, newID})
}
} else if s.Is("div.equation") {
Counters.iEquation++
i1 := len(BookStructure.Sections) - 1
if i1 < 0 {
fmt.Printf("<div class=\"equation\"> in file \"%s\" defined before first h1 defined in book", fileName)
os.Exit(1)
}
newText, modified, label = updateEquationText(text)
i2 := len(BookStructure.Sections[i1].Sections) - 1
if i2 < 0 {
BookStructure.Sections[i1].Equations =
append(BookStructure.Sections[i1].Equations, EquationType{fileName, id, newText, modified})
} else {
i3 := len(BookStructure.Sections[i1].Sections[i2].Sections) - 1
if i3 < 0 {
BookStructure.Sections[i1].Sections[i2].Equations =
append(BookStructure.Sections[i1].Sections[i2].Equations,
EquationType{fileName, id, newText, modified})
} else {
i4 := len(BookStructure.Sections[i1].Sections[i2].Sections[i3].Sections) - 1
if i4 < 0 {
BookStructure.Sections[i1].Sections[i2].Sections[i3].Equations =
append(BookStructure.Sections[i1].Sections[i2].Sections[i3].Equations,
EquationType{fileName, id, newText, modified})
} else {
BookStructure.Sections[i1].Sections[i2].Sections[i3].Sections[i4].Equations =
append(BookStructure.Sections[i1].Sections[i2].Sections[i3].Sections[i4].Equations,
EquationType{fileName, id, newText, modified})
}
}
}
BookStructure.SectionFiles[iFile].Elements = append(BookStructure.SectionFiles[iFile].Elements,
ElementType{"<div class=\"equation\"", "</div>", text, "", newText, "", modified, id, newID})
}
if modified || newID {
BookStructure.SectionFiles[iFile].Modified = true
}
if newID {
// Print information about introduced ID
iElem := len(BookStructure.SectionFiles[iFile].Elements) - 1
elem := BookStructure.SectionFiles[iFile].Elements[iElem]
fmt.Printf(" Element id introduced: %s id=\"%s\">%s%s\n",
elem.StartTag, id, newText, elem.EndTag)
}
// Store bookmark
if s.Is("div.equation") {
addBookmark(id, fileName, label, "") // no tool tip for a link to an equation
} else {
addBookmark(id, fileName, label, newText)
}
})
}