/
client.go
78 lines (64 loc) · 1.9 KB
/
client.go
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package thrift
import "fmt"
type TStandardClient struct {
seqId int32
iprot, oprot TProtocol
}
// TStandardClient implements TClient, and uses the standard message format for Thrift.
// It is not safe for concurrent use.
func NewTStandardClient(inputProtocol, outputProtocol TProtocol) *TStandardClient {
return &TStandardClient{
iprot: inputProtocol,
oprot: outputProtocol,
}
}
func (p *TStandardClient) Send(oprot TProtocol, seqId int32, method string, args TStruct) error {
if err := oprot.WriteMessageBegin(method, CALL, seqId); err != nil {
return err
}
if err := args.Write(oprot); err != nil {
return err
}
if err := oprot.WriteMessageEnd(); err != nil {
return err
}
return oprot.Flush()
}
func (p *TStandardClient) Recv(iprot TProtocol, seqId int32, method string, result TStruct) error {
rMethod, rTypeId, rSeqId, err := iprot.ReadMessageBegin()
if err != nil {
return err
}
if method != rMethod {
return NewTApplicationException(WRONG_METHOD_NAME, fmt.Sprintf("%s: wrong method name", method))
} else if seqId != rSeqId {
return NewTApplicationException(BAD_SEQUENCE_ID, fmt.Sprintf("%s: out of order sequence response", method))
} else if rTypeId == EXCEPTION {
var exception tApplicationException
if err := exception.Read(iprot); err != nil {
return err
}
if err := iprot.ReadMessageEnd(); err != nil {
return err
}
return &exception
} else if rTypeId != REPLY {
return NewTApplicationException(INVALID_MESSAGE_TYPE_EXCEPTION, fmt.Sprintf("%s: invalid message type", method))
}
if err := result.Read(iprot); err != nil {
return err
}
return iprot.ReadMessageEnd()
}
func (p *TStandardClient) call(method string, args, result TStruct) error {
p.seqId++
seqId := p.seqId
if err := p.Send(p.oprot, seqId, method, args); err != nil {
return err
}
// method is oneway
if result == nil {
return nil
}
return p.Recv(p.iprot, seqId, method, result)
}