Repository content update

Signed-off-by: Valery Piashchynski <[email protected]>

2 files changed, 93 insertions, 0 deletions

diff --git a/internal/rpc/client.go b/internal/rpc/client.go
new file mode 100644
index 00000000..f371a51c
--- /dev/null
+++ b/internal/rpc/client.go
@@ -0,0 +1,33 @@
+// Package prc contains wrapper around RPC client ONLY for internal usage.
+package rpc
+
+import (
+	"net/rpc"
+
+	"github.com/spiral/errors"
+	goridgeRpc "github.com/spiral/goridge/v3/pkg/rpc"
+	"github.com/spiral/roadrunner-plugins/v2/config"
+	rpcPlugin "github.com/spiral/roadrunner-plugins/v2/rpc"
+)
+
+// NewClient creates client ONLY for internal usage (communication between our application with RR side).
+// Client will be connected to the RPC.
+func NewClient(cfgPlugin *config.Plugin) (*rpc.Client, error) {
+	if !cfgPlugin.Has(rpcPlugin.PluginName) {
+		return nil, errors.E("rpc service disabled")
+	}
+
+	rpcConfig := &rpcPlugin.Config{}
+	if err := cfgPlugin.UnmarshalKey(rpcPlugin.PluginName, rpcConfig); err != nil {
+		return nil, err
+	}
+
+	rpcConfig.InitDefaults()
+
+	conn, err := rpcConfig.Dialer()
+	if err != nil {
+		return nil, err
+	}
+
+	return rpc.NewClientWithCodec(goridgeRpc.NewClientCodec(conn)), nil
+}
diff --git a/internal/rpc/client_test.go b/internal/rpc/client_test.go
new file mode 100644
index 00000000..b39788a2
--- /dev/null
+++ b/internal/rpc/client_test.go
@@ -0,0 +1,60 @@
+package rpc_test
+
+import (
+	"net"
+	"testing"
+
+	"github.com/spiral/roadrunner-binary/v2/internal/rpc"
+
+	"github.com/spiral/roadrunner-plugins/v2/config"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewClient_RpcServiceDisabled(t *testing.T) {
+	cfgPlugin := &config.Plugin{Type: "yaml", ReadInCfg: []byte{}}
+	assert.NoError(t, cfgPlugin.Init())
+
+	c, err := rpc.NewClient(cfgPlugin)
+
+	assert.Nil(t, c)
+	assert.EqualError(t, err, "rpc service disabled")
+}
+
+func TestNewClient_WrongRcpConfiguration(t *testing.T) {
+	cfgPlugin := &config.Plugin{Type: "yaml", ReadInCfg: []byte("rpc:\n  $foo bar")}
+	assert.NoError(t, cfgPlugin.Init())
+
+	c, err := rpc.NewClient(cfgPlugin)
+
+	assert.Nil(t, c)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "config_plugin_unmarshal_key")
+}
+
+func TestNewClient_ConnectionError(t *testing.T) {
+	cfgPlugin := &config.Plugin{Type: "yaml", ReadInCfg: []byte("rpc:\n  listen: tcp://127.0.0.1:0")}
+	assert.NoError(t, cfgPlugin.Init())
+
+	c, err := rpc.NewClient(cfgPlugin)
+
+	assert.Nil(t, c)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "connection refused")
+}
+
+func TestNewClient_SuccessfullyConnected(t *testing.T) {
+	l, err := net.Listen("tcp", "127.0.0.1:0")
+	assert.NoError(t, err)
+
+	defer func() { assert.NoError(t, l.Close()) }()
+
+	cfgPlugin := &config.Plugin{Type: "yaml", ReadInCfg: []byte("rpc:\n  listen: tcp://" + l.Addr().String())}
+	assert.NoError(t, cfgPlugin.Init())
+
+	c, err := rpc.NewClient(cfgPlugin)
+
+	assert.NotNil(t, c)
+	assert.NoError(t, err)
+
+	defer func() { assert.NoError(t, c.Close()) }()
+}