Inflght and retained messages persistence

This commit is contained in:
Mochi
2020-01-23 23:20:16 +00:00
parent 79d1ee392b
commit b1476ca602
3 changed files with 147 additions and 76 deletions

View File

@@ -62,29 +62,8 @@ func (s *Store) Close() {
s.db.Close()
}
// StoreSubscriptions writes all subscriptions to the boltdb instance as
// a bulk operation.
func (s *Store) StoreSubscriptions() {
}
// StoreClients writes all clients to the boltdb instance as a bulk operation.
func (s *Store) StoreClients() {
}
// StoreInflight writes all inflight messages to the boltdb instance as a bulk operation.
func (s *Store) StoreInflight() {
}
// StoreInflight writes all inflight messages to the boltdb instance as a bulk operation.
func (s *Store) StoreRetained() {
}
// StoreServerInfo writes the server info to the boltdb instance.
func (s *Store) StoreServerInfo(v persistence.ServerInfo) error {
// WriteServerInfo writes the server info to the boltdb instance.
func (s *Store) WriteServerInfo(v persistence.ServerInfo) error {
err := s.db.Save(&v)
if err != nil {
return err
@@ -102,8 +81,21 @@ func (s *Store) WriteSubscription(v persistence.Subscription) error {
}
// WriteInflight writes a single inflight message to the boltdb instance.
func (s *Store) WriteInflight() {
func (s *Store) WriteInflight(v persistence.Message) error {
err := s.db.Save(&v)
if err != nil {
return err
}
return nil
}
// WriteRetained writes a single retained message to the boltdb instance.
func (s *Store) WriteRetained(v persistence.Message) error {
err := s.db.Save(&v)
if err != nil {
return err
}
return nil
}
// WriteClient writes a single client to the boltdb instance.
@@ -111,28 +103,41 @@ func (s *Store) WriteClient() {
}
// LoadSubscriptions loads all the subscriptions from the boltdb instance.
func (s *Store) LoadSubscriptions() (v []persistence.Subscription, err error) {
err = s.db.Find("T", "subscription", &v)
// ReadSubscriptions loads all the subscriptions from the boltdb instance.
func (s *Store) ReadSubscriptions() (v []persistence.Subscription, err error) {
err = s.db.Find("T", persistence.KSubscription, &v)
if err != nil {
return
}
return
}
// LoadClients loads all the clients from the boltdb instance.
func (s *Store) LoadClients() {
// ReadClients loads all the clients from the boltdb instance.
func (s *Store) ReadClients() {
}
// LoadInflight loads all the inflight messages from the boltdb instance.
func (s *Store) LoadInflight() {
}
// LoadServerInfo loads the server info from the boltdb instance.
func (s *Store) LoadServerInfo() (v persistence.ServerInfo, err error) {
err = s.db.One("ID", "server_info", &v)
// ReadInflight loads all the inflight messages from the boltdb instance.
func (s *Store) ReadInflight() (v []persistence.Message, err error) {
err = s.db.Find("T", persistence.KInflight, &v)
if err != nil {
return
}
return
}
// ReadRetained loads all the retained messages from the boltdb instance.
func (s *Store) ReadRetained() (v []persistence.Message, err error) {
err = s.db.Find("T", persistence.KRetained, &v)
if err != nil {
return
}
return
}
//ReadServerInfo loads the server info from the boltdb instance.
func (s *Store) ReadServerInfo() (v persistence.ServerInfo, err error) {
err = s.db.One("ID", persistence.KServerInfo, &v)
if err != nil {
return
}

View File

@@ -58,10 +58,10 @@ func TestStoreAndRetrieveServerInfo(t *testing.T) {
Version: "test",
Started: 100,
}
err = s.StoreServerInfo(persistence.ServerInfo{v, "server_info"})
err = s.WriteServerInfo(persistence.ServerInfo{v, persistence.KServerInfo})
require.NoError(t, err)
r, err := s.LoadServerInfo()
r, err := s.ReadServerInfo()
require.NoError(t, err)
require.NotNil(t, r)
require.Equal(t, v.Version, r.Version)
@@ -79,7 +79,7 @@ func TestWriteAndRetrieveSubscription(t *testing.T) {
Client: "test",
Filter: "a/b/c",
QoS: 1,
T: "subscription",
T: persistence.KSubscription,
}
err = s.WriteSubscription(v)
require.NoError(t, err)
@@ -89,13 +89,92 @@ func TestWriteAndRetrieveSubscription(t *testing.T) {
Client: "test",
Filter: "d/e/f",
QoS: 2,
T: "subscription",
T: persistence.KSubscription,
}
err = s.WriteSubscription(v2)
require.NoError(t, err)
subs, err := s.LoadSubscriptions()
subs, err := s.ReadSubscriptions()
require.NoError(t, err)
require.Equal(t, persistence.KSubscription, subs[0].T)
require.Equal(t, 2, len(subs))
}
func TestWriteAndRetrieveInflight(t *testing.T) {
s := New(tmpPath, nil)
err := s.Open()
require.NoError(t, err)
defer teardown(t)
v := persistence.Message{
ID: "client1_if_0",
T: persistence.KInflight,
PacketID: 0,
TopicName: "a/b/c",
Payload: []byte{'h', 'e', 'l', 'l', 'o'},
Sent: 100,
Resends: 0,
}
err = s.WriteInflight(v)
require.NoError(t, err)
v2 := persistence.Message{
ID: "client1_if_100",
T: persistence.KInflight,
PacketID: 100,
TopicName: "d/e/f",
Payload: []byte{'y', 'e', 's'},
Sent: 200,
Resends: 1,
}
err = s.WriteInflight(v2)
require.NoError(t, err)
msgs, err := s.ReadInflight()
require.NoError(t, err)
require.Equal(t, persistence.KInflight, msgs[0].T)
require.Equal(t, 2, len(msgs))
}
func TestWriteAndRetrievePersistent(t *testing.T) {
s := New(tmpPath, nil)
err := s.Open()
require.NoError(t, err)
defer teardown(t)
v := persistence.Message{
ID: "client1_ret_200",
T: persistence.KRetained,
FixedHeader: persistence.FixedHeader{
Retain: true,
},
PacketID: 200,
TopicName: "a/b/c",
Payload: []byte{'h', 'e', 'l', 'l', 'o'},
Sent: 100,
Resends: 0,
}
err = s.WriteInflight(v)
require.NoError(t, err)
v2 := persistence.Message{
ID: "client1_ret_300",
T: persistence.KRetained,
FixedHeader: persistence.FixedHeader{
Retain: true,
},
PacketID: 100,
TopicName: "d/e/f",
Payload: []byte{'y', 'e', 's'},
Sent: 200,
Resends: 1,
}
err = s.WriteInflight(v2)
require.NoError(t, err)
msgs, err := s.ReadRetained()
require.NoError(t, err)
require.Equal(t, persistence.KRetained, msgs[0].T)
require.Equal(t, true, msgs[0].FixedHeader.Retain)
require.Equal(t, 2, len(msgs))
}

View File

@@ -6,6 +6,14 @@ import (
"github.com/mochi-co/mqtt/server/system"
)
const (
KSubscription = "sub"
KServerInfo = "srv"
KRetained = "ret"
KInflight = "ifm"
KClient = "cl"
)
// Store is an interface which details a persistent storage connector.
type Store interface {
Open() error
@@ -13,17 +21,15 @@ type Store interface {
WriteSubscription() // including retained
WriteClient()
WriteInFlight()
WriteInflight()
WriteServerInfo()
WriteRetained()
StoreSubscriptions()
StoreInFlight()
StoreClients()
StoreServerInfo(v ServerInfo) error
ReadSubscriptions() (v []Subscription, err error)
ReadInflight()
ReadRetained()
ReadClients()
ReadServerInfo()
}
@@ -112,25 +118,6 @@ func (s *MockStore) Close() {
s.Closed = true
}
// StoreSubscriptions writes all subscriptions to the storage instance.
func (s *MockStore) StoreSubscriptions() {
}
// StoreClients writes all clients to the storage instance.
func (s *MockStore) StoreClients() {}
// StoreInFlight writes all Inflight messages to the storage instance.
func (s *MockStore) StoreInflight() {}
// StoreRetained writes all Inflight messages to the storage instance.
func (s *MockStore) StoreRetained() {}
// StoreServerInfo writes the server info to the storage instance.
func (s *MockStore) StoreServerInfo(v ServerInfo) {
}
// WriteSubscription writes a single subscription to the storage instance.
func (s *MockStore) WriteSubscription() {}
@@ -143,18 +130,18 @@ func (s *MockStore) WriteInflight() {}
// WriteRetained writes a single retained message to the storage instance.
func (s *MockStore) WriteRetained() {}
// LoadSubscriptions loads the subscriptions from the storage instance.
func (s *MockStore) LoadSubscriptions() (v []Subscription, err error) {
// ReadSubscriptions loads the subscriptions from the storage instance.
func (s *MockStore) ReadSubscriptions() (v []Subscription, err error) {
return
}
// LoadClients loads the clients from the storage instance.
func (s *MockStore) LoadClients() {}
// ReadClients loads the clients from the storage instance.
func (s *MockStore) ReadClients() {}
// LoadInflight loads the inflight messages from the storage instance.
func (s *MockStore) LoadInflight() {}
// ReadInflight loads the inflight messages from the storage instance.
func (s *MockStore) ReadInflight() {}
// LoadServerInfo loads the server info from the storage instance.
func (s *MockStore) LoadServerInfo() (v ServerInfo, err error) {
//ReadServerInfo loads the server info from the storage instance.
func (s *MockStore) ReadServerInfo() (v ServerInfo, err error) {
return
}