chore: initialize go-sip repository

internal/rpc/client.go

@@ -0,0 +1,92 @@
+package rpc
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"os"
+
+	agentv1 "git.ipao.vip/rogee/go-sip/gen/agent/v1"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+)
+
+// Client is a thin generated-stub wrapper. Business retries and reconciliation
+// remain at the caller; this type never retries an originate automatically.
+type Client struct {
+	Conn  *grpc.ClientConn
+	Agent agentv1.AgentControlServiceClient
+}
+
+func Dial(endpoint string, tlsConfig *tls.Config) (*Client, error) {
+	if endpoint == "" {
+		return nil, fmt.Errorf("gRPC endpoint is required")
+	}
+	if tlsConfig == nil {
+		return nil, fmt.Errorf("mTLS configuration is required")
+	}
+	conn, err := grpc.NewClient(endpoint, grpc.WithTransportCredentials(credentials.NewTLS(tlsConfig)))
+	if err != nil {
+		return nil, fmt.Errorf("dial gRPC endpoint: %w", err)
+	}
+	return &Client{Conn: conn, Agent: agentv1.NewAgentControlServiceClient(conn)}, nil
+}
+
+func DialFromFiles(endpoint, caFile, certFile, keyFile, serverName string) (*Client, error) {
+	caPEM, err := readFile(caFile, "CA")
+	if err != nil {
+		return nil, err
+	}
+	certPEM, err := readFile(certFile, "certificate")
+	if err != nil {
+		return nil, err
+	}
+	keyPEM, err := readFile(keyFile, "key")
+	if err != nil {
+		return nil, err
+	}
+	tlsConfig, err := NewClientTLSConfig(caPEM, certPEM, keyPEM, serverName)
+	if err != nil {
+		return nil, err
+	}
+	return Dial(endpoint, tlsConfig)
+}
+
+func readFile(path, label string) ([]byte, error) {
+	if path == "" {
+		return nil, fmt.Errorf("%s file is required", label)
+	}
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("read %s file: %w", label, err)
+	}
+	return data, nil
+}
+
+func (c *Client) ReportExecutionEvent(ctx context.Context, request *agentv1.ReportExecutionEventRequest) (*agentv1.ReportExecutionEventResponse, error) {
+	if c == nil || c.Agent == nil {
+		return nil, fmt.Errorf("AgentControl client is not initialized")
+	}
+	return c.Agent.ReportExecutionEvent(ctx, request)
+}
+
+func (c *Client) RequestUpload(ctx context.Context, request *agentv1.RequestUploadRequest) (*agentv1.RequestUploadResponse, error) {
+	if c == nil || c.Agent == nil {
+		return nil, fmt.Errorf("AgentControl client is not initialized")
+	}
+	return c.Agent.RequestUpload(ctx, request)
+}
+
+func (c *Client) CompleteUpload(ctx context.Context, request *agentv1.CompleteUploadRequest) (*agentv1.CompleteUploadResponse, error) {
+	if c == nil || c.Agent == nil {
+		return nil, fmt.Errorf("AgentControl client is not initialized")
+	}
+	return c.Agent.CompleteUpload(ctx, request)
+}
+
+func (c *Client) Close() error {
+	if c == nil || c.Conn == nil {
+		return nil
+	}
+	return c.Conn.Close()
+}