104 lines
2.0 KiB
Go
104 lines
2.0 KiB
Go
package main
|
|
|
|
import (
|
|
"encoding/binary"
|
|
"net"
|
|
"time"
|
|
)
|
|
|
|
type CartClient struct {
|
|
*CartTCPClient
|
|
}
|
|
|
|
func CartDial(address string) (*CartClient, error) {
|
|
|
|
mux, err := NewCartTCPClient(address)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
client := &CartClient{
|
|
CartTCPClient: mux,
|
|
}
|
|
return client, nil
|
|
}
|
|
|
|
func (c *Client) Close() {
|
|
c.Conn.Close()
|
|
}
|
|
|
|
type CartTCPClient struct {
|
|
net.Conn
|
|
Errors chan error
|
|
ErrorCount int
|
|
address string
|
|
*CartPacketQueue
|
|
}
|
|
|
|
func NewCartTCPClient(address string) (*CartTCPClient, error) {
|
|
connection, err := net.Dial("tcp", address)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &CartTCPClient{
|
|
Errors: make(chan error),
|
|
ErrorCount: 0,
|
|
Conn: connection,
|
|
address: address,
|
|
CartPacketQueue: NewCartPacketQueue(connection),
|
|
}, nil
|
|
}
|
|
|
|
func (m *CartTCPClient) Connect() error {
|
|
if m.Conn == nil {
|
|
connection, err := net.Dial("tcp", m.address)
|
|
if err != nil {
|
|
|
|
m.Errors <- err
|
|
m.ErrorCount++
|
|
|
|
return err
|
|
}
|
|
m.ErrorCount = 0
|
|
m.Conn = connection
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m *CartTCPClient) SendPacket(messageType uint32, id CartId, data []byte) error {
|
|
err := m.Connect()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = binary.Write(m.Conn, binary.LittleEndian, CartPacket{
|
|
Version: 1,
|
|
MessageType: messageType,
|
|
DataLength: uint64(len(data)),
|
|
Id: id,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = m.Conn.Write(data)
|
|
return err
|
|
}
|
|
|
|
// func (m *CartTCPClient) SendPacketFn(messageType uint16, id CartId, datafn func(w io.Writer) error) error {
|
|
// data, err := GetData(datafn)
|
|
// if err != nil {
|
|
// return err
|
|
// }
|
|
// return m.SendPacket(messageType, id, data)
|
|
// }
|
|
|
|
func (m *CartTCPClient) Call(messageType uint32, id CartId, responseType uint32, data []byte) ([]byte, error) {
|
|
err := m.SendPacket(messageType, id, data)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
packet, err := m.Expect(responseType, id, time.Second)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return packet.Data, nil
|
|
}
|