How to use IsFull method of lib Package

Best K6 code snippet using lib.IsFull

ring_buffer.go

Source:ring_buffer.go Github

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...9// Use of this source code is governed by a MIT-style10// license that can be found in the LICENSE file.11var (12 ErrTooManyDataToWrite = errors.New("too many data to write")13 ErrIsFull = errors.New("ringbuffer is full")14 ErrIsEmpty = errors.New("ringbuffer is empty")15 ErrAccuqireLock = errors.New("no lock to accquire")16)17// RingBuffer is a circular buffer that implement io.ReaderWriter interface.18type RingBuffer struct {19 buf []byte20 size int21 r int // next position to read22 w int // next position to write23 isFull bool24 lock locker.EmptyLock25}26// New returns a new RingBuffer whose buffer has the given size.27func NewRingBuffer(size int) *RingBuffer {28 return &RingBuffer{29 buf: make([]byte, size),30 size: size,31 }32}33// Read reads up to len(p) bytes into p. It returns the number of bytes read (0 <= n <= len(p)) and any error encountered. Even if Read returns n < len(p), it may use all of p as scratch space during the call. If some data is available but not len(p) bytes, Read conventionally returns what is available instead of waiting for more.34// When Read encounters an error or end-of-file condition after successfully reading n > 0 bytes, it returns the number of bytes read. It may return the (non-nil) error from the same call or return the error (and n == 0) from a subsequent call.35// Callers should always process the n > 0 bytes returned before considering the error err. Doing so correctly handles I/O errors that happen after reading some bytes and also both of the allowed EOF behaviors.36func (r *RingBuffer) Read(p []byte) (n int, err error) {37 if len(p) == 0 {38 return 0, nil39 }40 defer r.lock.Unlock()41 r.lock.Lock()42 n, err = r.read(p)43 return n, err44}45func (r *RingBuffer) read(p []byte) (n int, err error) {46 if r.w == r.r && !r.isFull {47 return 0, ErrIsEmpty48 }49 if r.w > r.r {50 n = r.w - r.r51 if n > len(p) {52 n = len(p)53 }54 copy(p, r.buf[r.r:r.r+n])55 r.r = (r.r + n) % r.size56 return57 }58 n = r.size - r.r + r.w59 if n > len(p) {60 n = len(p)61 }62 if r.r+n <= r.size {63 copy(p, r.buf[r.r:r.r+n])64 } else {65 c1 := r.size - r.r66 copy(p, r.buf[r.r:r.size])67 c2 := n - c168 copy(p[c1:], r.buf[0:c2])69 }70 r.r = (r.r + n) % r.size71 r.isFull = false72 return n, err73}74// ReadByte reads and returns the next byte from the input or ErrIsEmpty.75func (r *RingBuffer) ReadByte() (b byte, err error) {76 defer r.lock.Unlock()77 r.lock.Lock()78 if r.w == r.r && !r.isFull {79 return 0, ErrIsEmpty80 }81 b = r.buf[r.r]82 r.r++83 if r.r == r.size {84 r.r = 085 }86 r.isFull = false87 return b, err88}89// Write writes len(p) bytes from p to the underlying buf.90// It returns the number of bytes written from p (0 <= n <= len(p)) and any error encountered that caused the write to stop early.91// Write returns a non-nil error if it returns n < len(p).92// Write must not modify the slice data, even temporarily.93func (r *RingBuffer) Write(p []byte) (n int, err error) {94 if len(p) == 0 {95 return 0, nil96 }97 defer r.lock.Unlock()98 r.lock.Lock()99 n, err = r.write(p)100 return n, err101}102func (r *RingBuffer) write(p []byte) (n int, err error) {103 if r.isFull {104 return 0, ErrIsFull105 }106 var avail int107 if r.w >= r.r {108 avail = r.size - r.w + r.r109 } else {110 avail = r.r - r.w111 }112 if len(p) > avail {113 err = ErrTooManyDataToWrite114 p = p[:avail]115 }116 n = len(p)117 if r.w >= r.r {118 c1 := r.size - r.w119 if c1 >= n {120 copy(r.buf[r.w:], p)121 r.w += n122 } else {123 copy(r.buf[r.w:], p[:c1])124 c2 := n - c1125 copy(r.buf[0:], p[c1:])126 r.w = c2127 }128 } else {129 copy(r.buf[r.w:], p)130 r.w += n131 }132 if r.w == r.size {133 r.w = 0134 }135 if r.w == r.r {136 r.isFull = true137 }138 return n, err139}140// WriteByte writes one byte into buffer, and returns ErrIsFull if buffer is full.141func (r *RingBuffer) WriteByte(c byte) error {142 defer r.lock.Unlock()143 r.lock.Lock()144 err := r.writeByte(c)145 return err146}147func (r *RingBuffer) IncWriteIndex(inc int) {148 if inc == 0 {149 return150 }151 r.w = (r.w + inc) % r.size152 if r.r == r.w {153 r.isFull = true154 }155}156func (r *RingBuffer) writeByte(c byte) error {157 if r.w == r.r && r.isFull {158 return ErrIsFull159 }160 r.buf[r.w] = c161 r.w++162 if r.w == r.size {163 r.w = 0164 }165 if r.w == r.r {166 r.isFull = true167 }168 return nil169}170// Length return the length of available read bytes.171func (r *RingBuffer) Length() int {172 if r.r == r.w {173 if r.isFull {174 return r.size175 }176 return 0177 }178 if r.w > r.r {179 return r.w - r.r180 }181 return r.size - r.r + r.w182}183// Capacity returns the size of the underlying buffer.184func (r *RingBuffer) Capacity() int {185 return r.size186}187// Free returns the length of available bytes to write.188func (r *RingBuffer) Free() int {189 defer r.lock.Unlock()190 r.lock.Lock()191 if r.r == r.w {192 if r.isFull {193 return 0194 }195 return r.size196 }197 if r.w < r.r {198 return r.r - r.w199 }200 return r.size - r.w + r.r201}202// WriteString writes the contents of the string s to buffer, which accepts a slice of bytes.203func (r *RingBuffer) WriteString(s string) (n int, err error) {204 defer r.lock.Unlock()205 r.lock.Lock()206 buf := binaryop.String2Byte(s)207 return r.Write(buf)208}209func (r *RingBuffer) Erase(n int) {210 r.lock.Lock()211 if r.Length() <= n {212 r.r = r.w213 r.isFull = false214 }else{215 r.r = (r.r + n) % r.size216 r.isFull = false217 }218 r.lock.Unlock()219 if r.Length() > r.size/3 {220 r.Adjust()221 }222}223func (r *RingBuffer) UnsafeReadBytes() []byte {224 defer r.lock.Unlock()225 r.lock.Lock()226 if r.IsEmpty() {227 return nil228 }229 ptr := uintptr(unsafe.Pointer(&r.buf[0]))230 ptr += uintptr(r.r)231 if r.w > r.r {232 h := [3]uintptr{ptr, uintptr(r.w - r.r), uintptr(r.w - r.r)}233 buf := *(*[]byte)(unsafe.Pointer(&h))234 return buf235 } else {236 h := [3]uintptr{ptr, uintptr(r.size - r.r), uintptr(r.size - r.r)}237 buf := *(*[]byte)(unsafe.Pointer(&h))238 return buf239 }240}241func (r *RingBuffer) UnsafeWriteSpace() []byte {242 r.lock.Lock()243 if r.w == r.r {244 if r.isFull {245 r.lock.Unlock()246 return nil247 }248 r.r,r.w = 0, 0249 r.isFull = false250 }251 defer r.lock.Unlock()252 ptr := uintptr(unsafe.Pointer(&r.buf[0]))253 ptr += uintptr(r.w)254 if (r.w >= r.r) {255 h := [3]uintptr{ptr, uintptr(r.size - r.w), uintptr(r.size - r.w)}256 buf := *(*[]byte)(unsafe.Pointer(&h))257 return buf258 } else {259 h := [3]uintptr{ptr, uintptr(r.r - r.w), uintptr(r.r - r.w)}260 buf := *(*[]byte)(unsafe.Pointer(&h))261 return buf262 }263}264/*265*重新组织内存, r调整到起始位置, 内存做相应的移动266 */267func (r *RingBuffer) Adjust() {268 defer r.lock.Unlock()269 r.lock.Lock()270 if r.isFull {271 return272 }273 if r.r == r.w {274 r.r, r.w = 0, 0275 } else if r.r < r.w {276 copy(r.buf[0:r.w-r.r], r.buf[r.r:r.w])277 len := r.w - r.r278 r.r = 0279 r.w = len280 }else{281 if r.r - r.w >= r.size - r.r {282 //反向copy,避免内存覆盖283 l := r.size - r.r284 for i:=0; i< r.w; i++{285 r.buf[r.w + l - 1 -i] = r.buf[r.w - 1 - i]286 }287 copy(r.buf[0:], r.buf[r.r:r.size])288 r.w = r.w + l289 r.r = 0290 }291 }292}293// Bytes returns all available read bytes. It does not move the read pointer and only copy the available data.294func (r *RingBuffer) Bytes() []byte {295 defer r.lock.Unlock()296 r.lock.Lock()297 if r.w == r.r {298 if r.isFull {299 buf := make([]byte, r.size)300 copy(buf, r.buf[r.r:])301 copy(buf[r.size-r.r:], r.buf[:r.w])302 return buf303 }304 return nil305 }306 if r.w > r.r {307 buf := make([]byte, r.w-r.r)308 copy(buf, r.buf[r.r:r.w])309 return buf310 }311 n := r.size - r.r + r.w312 buf := make([]byte, n)313 if r.r+n < r.size {314 copy(buf, r.buf[r.r:r.r+n])315 } else {316 c1 := r.size - r.r317 copy(buf, r.buf[r.r:r.size])318 c2 := n - c1319 copy(buf[c1:], r.buf[0:c2])320 }321 return buf322}323// IsFull returns this ringbuffer is full.324func (r *RingBuffer) IsFull() bool {325 return r.isFull326}327// IsEmpty returns this ringbuffer is empty.328func (r *RingBuffer) IsEmpty() bool {329 return !r.isFull && r.w == r.r330}331// Reset the read pointer and writer pointer to zero.332func (r *RingBuffer) Reset() {333 r.lock.Lock()334 r.r = 0335 r.w = 0336 r.isFull = false337 r.lock.Unlock()338}...

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queue.go

Source:queue.go Github

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...31 return true32 }33 return false34}35// IsFull returns true if queue is full36func (q *CircularQueue) IsFull() bool {37 if q.head == (q.tail+1)%q.capacity {38 return true39 }40 return false41}42// Enqueue puts a element in the tail of queue43func (q *CircularQueue) Enqueue(v interface{}) bool {44 if q.IsFull() {45 return false46 }47 q.data[q.tail] = v48 q.tail = (q.tail + 1) % q.capacity49 return true50}51// Dequeue fetches a element from queue52func (q *CircularQueue) Dequeue() interface{} {53 if q.IsEmpty() {54 return nil55 }56 v := q.data[q.head]57 q.head = (q.head + 1) % q.capacity58 return v...

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4.2-stack.go

Source:4.2-stack.go Github

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...21}22func (s Stack) IsEmpty() bool {23 return s.Top == 024}25func (s Stack) IsFull() bool {26 return s.Top >= len(s.Data)-127}28func (s Stack) Push(x int) (ok bool) {29 if s.IsFull() {30 return31 }32 s.Top++33 s.Data[s.Top] = x34 ok = true35 return36}37func (s Stack) Pop(x int) (ans int, ok bool) {38 if s.IsEmpty() {39 return40 }41 ans = s.Data[s.Top]42 ok = true43 s.Top--...

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IsFull

Using AI Code Generation

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1import (2func main() {3 s.Push(1)4 s.Push(2)5 s.Push(3)6 s.Push(4)7 s.Push(5)8 s.Push(6)9 fmt.Println(s.IsFull())10}11import (12type Stack struct {13}14func (s *Stack) Push(t int) {15 if s.top == 5 {16 fmt.Println("stack full")17 }18}19func (s *Stack) Pop() int {20 if s.top == 0 {21 fmt.Println("stack empty")22 }23}24func (s *Stack) IsFull() bool {25}26For example, let’s import the package github.com/gorilla/mux. We can import this package by using the following command:27import (28func main() {29 r := mux.NewRouter()30 fmt.Println(r)31}32&{0xc0000b6000 map[] 0xc0000b6000 <nil>}

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IsFull

Using AI Code Generation

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1import (2func main() {3 a.Push(1)4 a.Push(2)5 a.Push(3)6 a.Push(4)7 a.Push(5)8 fmt.Println(a.IsFull())9}

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IsFull

Using AI Code Generation

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1import (2func main() {3 fmt.Println(lib.IsFull("Hello"))4}5func IsFull(str string) bool {6 return len(str) > 57}

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IsFull

Using AI Code Generation

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1import ( "fmt" "github.com/abc/lib" )2func main() {3 s := lib.NewStack()4 s.Push(1)5 s.Push(2)6 fmt.Println(s.IsFull())7}8import ( "errors" )9type Stack struct {10 data []interface{}11}12func NewStack() *Stack {13 return &Stack{maxSize: 10}14}15func (s *Stack) Push(value interface{}) error {16 if s.IsFull() {17 return errors.New("Stack is full")18 }19 s.data = append(s.data, value)20}21func (s *Stack) IsFull() bool {22 return len(s.data) == s.maxSize23}

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IsFull

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Enter the number of elements in the queue")4 fmt.Scanln(&n)5 q := lib.NewQueue(n)6 fmt.Println("Enter the elements in the queue")7 for i := 0; i < n; i++ {8 fmt.Scanln(&x)9 q.Enqueue(x)10 }11 fmt.Println("The queue is full:", q.IsFull())12}

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IsFull

Using AI Code Generation

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1func main() {2 lib.IsFull("Hello")3}4func IsFull(s string) bool {5 return len(s) > 106}

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