func (client *_Client) sendLoop(conn io.ReadWriteCloser) {
stream := NewStream(conn, conn)
for {
msg, err := client.pipeline.Sending()
if err != nil {
client.closeconn(conn)
client.E("%s send err \n%s", client.name, err)
break
}
client.V("write message[%s] :%v", msg.Code, msg.Content)
err = WriteMessage(stream, msg)
gserrors.Assert(err == nil, "check WriteMessage")
_, err = stream.Flush()
if err != nil {
client.closeconn(conn)
client.E("%s send err \n%s", client.name, err)
break
}
}
}
// Get get value by key
func (ring *HashRing) Get(key string) (interface{}, bool) {
id := ring.hash([]byte(key))
ring.RLock()
defer ring.RUnlock()
if len(ring.circle) == 0 {
return nil, false
}
i := sort.Search(len(ring.circle), func(x int) bool {
return ring.circle[x] >= id
})
if i == len(ring.circle) {
i = 0
}
val, ok := ring.values[ring.circle[i]]
gserrors.Assert(ok, "values must exists")
return val, true
}
//nextChar read next utf-8 character
func (lexer *Lexer) nextChar() error {
c, err := lexer.reader.ReadByte()
if err != nil {
if err == io.EOF {
lexer.curr = rune(TokenEOF)
return nil
}
return err
}
lexer.offset++
//not ASCII
if c >= utf8.RuneSelf {
lexer.buff[0] = c
lexer.buffPos = 1
for !utf8.FullRune(lexer.buff[0:lexer.buffPos]) {
//continue read rest utf8 char bytes
c, err = lexer.reader.ReadByte()
if err != nil {
if err == io.EOF {
lexer.curr = rune(TokenEOF)
return nil
}
return err
}
lexer.buff[lexer.buffPos] = c
lexer.buffPos++
gserrors.Assert(
lexer.buffPos < len(lexer.buff),
"utf8.UTFMax must << len(lexer.buff)",
)
}
c, width := utf8.DecodeRune(lexer.buff[0:lexer.buffPos])
if c == utf8.RuneError && width == 1 {
return lexer.newerror("illegal utf8 character")
}
lexer.curr = c
} else {
lexer.curr = rune(c)
}
lexer.position.Column++
return nil
}
func (linker *_Linker) linkExpr(script *ast.Script, expr ast.Expr) {
gserrors.Assert(expr != nil, "input arg expr can't be nil")
linker.startLinkNode(expr)
switch expr.(type) {
case *ast.ArgsTable:
linker.linkArgsTable(script, expr.(*ast.ArgsTable))
case *ast.NamedArg:
linker.linkNameArg(script, expr.(*ast.NamedArg))
case *ast.ConstantRef:
linker.linkConstantRef(script, expr.(*ast.ConstantRef))
case *ast.NewObj:
linker.linkNewObj(script, expr.(*ast.NewObj))
case *ast.UnaryOp:
linker.linkUnaryOp(script, expr.(*ast.UnaryOp))
case *ast.BinaryOp:
linker.linkBinaryOp(script, expr.(*ast.BinaryOp))
}
linker.endLinkNode(expr)
}
func (channel *_Channel) sendLoop() {
stream := NewStream(channel.conn, channel.conn)
for {
msg, err := channel.pipeline.Sending()
if err != nil {
channel.I(err.Error())
if err != ErrClosed {
channel.E("[%s] recv message error \n%s", channel.name, err)
}
channel.close()
break
}
channel.V("send message %s", msg.Code)
err = WriteMessage(stream, msg)
gserrors.Assert(err == nil, "check WriteMessage")
_, err = stream.Flush()
if err != nil {
channel.close()
channel.E("[%s] recv message error \n%s", channel.name, err)
break
}
channel.V("send message %s -- success", msg.Code)
}
}
