github.com/segmentio/kafka-go@v0.4.48-0.20240318174348-3f6244eb34fd/saslhandshake.go (about)

     1  package kafka
     2  
     3  import (
     4  	"bufio"
     5  )
     6  
     7  // saslHandshakeRequestV0 implements the format for V0 and V1 SASL
     8  // requests (they are identical).
     9  type saslHandshakeRequestV0 struct {
    10  	// Mechanism holds the SASL Mechanism chosen by the client.
    11  	Mechanism string
    12  }
    13  
    14  func (t saslHandshakeRequestV0) size() int32 {
    15  	return sizeofString(t.Mechanism)
    16  }
    17  
    18  func (t *saslHandshakeRequestV0) readFrom(r *bufio.Reader, sz int) (remain int, err error) {
    19  	return readString(r, sz, &t.Mechanism)
    20  }
    21  
    22  func (t saslHandshakeRequestV0) writeTo(wb *writeBuffer) {
    23  	wb.writeString(t.Mechanism)
    24  }
    25  
    26  // saslHandshakeResponseV0 implements the format for V0 and V1 SASL
    27  // responses (they are identical).
    28  type saslHandshakeResponseV0 struct {
    29  	// ErrorCode holds response error code
    30  	ErrorCode int16
    31  
    32  	// Array of mechanisms enabled in the server
    33  	EnabledMechanisms []string
    34  }
    35  
    36  func (t saslHandshakeResponseV0) size() int32 {
    37  	return sizeofInt16(t.ErrorCode) + sizeofStringArray(t.EnabledMechanisms)
    38  }
    39  
    40  func (t saslHandshakeResponseV0) writeTo(wb *writeBuffer) {
    41  	wb.writeInt16(t.ErrorCode)
    42  	wb.writeStringArray(t.EnabledMechanisms)
    43  }
    44  
    45  func (t *saslHandshakeResponseV0) readFrom(r *bufio.Reader, sz int) (remain int, err error) {
    46  	if remain, err = readInt16(r, sz, &t.ErrorCode); err != nil {
    47  		return
    48  	}
    49  	if remain, err = readStringArray(r, remain, &t.EnabledMechanisms); err != nil {
    50  		return
    51  	}
    52  	return
    53  }