92 lines
1.9 KiB
Go
92 lines
1.9 KiB
Go
package client
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io"
|
|
"net"
|
|
|
|
"github.com/quexten/goldwarden/agent/config"
|
|
"github.com/quexten/goldwarden/ipc/messages"
|
|
)
|
|
|
|
const READ_BUFFER = 4 * 1024 * 1024 // 16MB
|
|
|
|
type UnixSocketClient struct {
|
|
runtimeConfig *config.RuntimeConfig
|
|
}
|
|
|
|
type UnixSocketConnection struct {
|
|
conn net.Conn
|
|
}
|
|
|
|
func NewUnixSocketClient(runtimeConfig *config.RuntimeConfig) UnixSocketClient {
|
|
return UnixSocketClient{
|
|
runtimeConfig: runtimeConfig,
|
|
}
|
|
}
|
|
|
|
func Reader(r io.Reader) interface{} {
|
|
buf := make([]byte, READ_BUFFER)
|
|
for {
|
|
n, err := r.Read(buf[:])
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
|
|
var message messages.IPCMessage
|
|
err = json.Unmarshal(buf[0:n], &message)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return message
|
|
}
|
|
}
|
|
|
|
func (client UnixSocketClient) SendToAgent(request interface{}) (interface{}, error) {
|
|
c, err := client.Connect()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer c.Close()
|
|
return c.SendCommand(request)
|
|
}
|
|
|
|
func (client UnixSocketClient) Connect() (UnixSocketConnection, error) {
|
|
c, err := net.Dial("unix", client.runtimeConfig.GoldwardenSocketPath)
|
|
if err != nil {
|
|
return UnixSocketConnection{}, err
|
|
}
|
|
return UnixSocketConnection{conn: c}, nil
|
|
}
|
|
|
|
func (conn UnixSocketConnection) SendCommand(request interface{}) (interface{}, error) {
|
|
err := conn.WriteMessage(request)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return conn.ReadMessage(), nil
|
|
}
|
|
|
|
func (conn UnixSocketConnection) ReadMessage() interface{} {
|
|
result := Reader(conn.conn)
|
|
payload := messages.ParsePayload(result.(messages.IPCMessage))
|
|
return payload
|
|
}
|
|
|
|
func (conn UnixSocketConnection) WriteMessage(message interface{}) error {
|
|
messagePacket, err := messages.IPCMessageFromPayload(message)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
messageJson, err := json.Marshal(messagePacket)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
_, err = conn.conn.Write(messageJson)
|
|
return err
|
|
}
|
|
|
|
func (conn UnixSocketConnection) Close() {
|
|
conn.conn.Close()
|
|
}
|