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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,140 +1,119 @@ | ||
| package grpcpool | ||
|
|
||
| import ( | ||
| "errors" | ||
| "context" | ||
| "strings" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/ouqiang/gocron/internal/modules/app" | ||
| "github.com/ouqiang/gocron/internal/modules/rpc/auth" | ||
| "github.com/silenceper/pool" | ||
| "github.com/ouqiang/gocron/internal/modules/rpc/proto" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/keepalive" | ||
| ) | ||
|
|
||
| var ( | ||
| Pool GRPCPool | ||
| const ( | ||
| backOffMaxDelay = 3 * time.Second | ||
| dialTimeout = 2 * time.Second | ||
| ) | ||
|
|
||
| var ( | ||
| ErrInvalidConn = errors.New("invalid connection") | ||
| ) | ||
| Pool = &GRPCPool{ | ||
| conns: make(map[string]*Client), | ||
| } | ||
|
|
||
| func init() { | ||
| Pool = GRPCPool{ | ||
| make(map[string]pool.Pool), | ||
| sync.RWMutex{}, | ||
| keepAliveParams = keepalive.ClientParameters{ | ||
| Time: 20 * time.Second, | ||
| Timeout: 3 * time.Second, | ||
| PermitWithoutStream: true, | ||
| } | ||
| ) | ||
|
|
||
| type Client struct { | ||
| conn *grpc.ClientConn | ||
| rpcClient rpc.TaskClient | ||
| } | ||
|
|
||
| type GRPCPool struct { | ||
| // map key格式 ip:port | ||
| conns map[string]pool.Pool | ||
| sync.RWMutex | ||
| conns map[string]*Client | ||
| mu sync.RWMutex | ||
| } | ||
|
|
||
| func (p *GRPCPool) Get(addr string) (*grpc.ClientConn, error) { | ||
| p.RLock() | ||
| pool, ok := p.conns[addr] | ||
| p.RUnlock() | ||
| if !ok { | ||
| err := p.newCommonPool(addr) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| func (p *GRPCPool) Get(addr string) (rpc.TaskClient, error) { | ||
| p.mu.RLock() | ||
| client, ok := p.conns[addr] | ||
| p.mu.RUnlock() | ||
| if ok { | ||
| return client.rpcClient, nil | ||
| } | ||
|
|
||
| p.RLock() | ||
| pool = p.conns[addr] | ||
| p.RUnlock() | ||
| conn, err := pool.Get() | ||
| client, err := p.factory(addr) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| p.conns[addr] = client | ||
|
|
||
| return conn.(*grpc.ClientConn), nil | ||
| return client.rpcClient, nil | ||
| } | ||
|
|
||
| func (p *GRPCPool) Put(addr string, conn *grpc.ClientConn) error { | ||
| p.RLock() | ||
| defer p.RUnlock() | ||
| pool, ok := p.conns[addr] | ||
| if ok { | ||
| return pool.Put(conn) | ||
| } | ||
|
|
||
| return ErrInvalidConn | ||
| } | ||
|
|
||
| // 释放连接池 | ||
| // 释放连接 | ||
| func (p *GRPCPool) Release(addr string) { | ||
| p.Lock() | ||
| defer p.Unlock() | ||
| pool, ok := p.conns[addr] | ||
| p.mu.Lock() | ||
| defer p.mu.Unlock() | ||
| client, ok := p.conns[addr] | ||
| if !ok { | ||
| return | ||
| } | ||
| pool.Release() | ||
| delete(p.conns, addr) | ||
| client.conn.Close() | ||
| } | ||
|
|
||
| // 释放所有连接池 | ||
| func (p *GRPCPool) ReleaseAll() { | ||
| p.Lock() | ||
| defer p.Unlock() | ||
| for _, pool := range p.conns { | ||
| pool.Release() | ||
| } | ||
| } | ||
| // 创建连接 | ||
| func (p *GRPCPool) factory(addr string) (*Client, error) { | ||
| p.mu.Lock() | ||
| defer p.mu.Unlock() | ||
|
|
||
| // 初始化底层连接池 | ||
| func (p *GRPCPool) newCommonPool(addr string) error { | ||
| p.Lock() | ||
| defer p.Unlock() | ||
| commonPool, ok := p.conns[addr] | ||
| client, ok := p.conns[addr] | ||
| if ok { | ||
| return nil | ||
| return client, nil | ||
| } | ||
| poolConfig := &pool.PoolConfig{ | ||
| InitialCap: 1, | ||
| MaxCap: 30, | ||
| Factory: func() (interface{}, error) { | ||
| if !app.Setting.EnableTLS { | ||
| return grpc.Dial(addr, grpc.WithInsecure()) | ||
| } | ||
|
|
||
| server := strings.Split(addr, ":") | ||
|
|
||
| certificate := auth.Certificate{ | ||
| CAFile: app.Setting.CAFile, | ||
| CertFile: app.Setting.CertFile, | ||
| KeyFile: app.Setting.KeyFile, | ||
| ServerName: server[0], | ||
| } | ||
|
|
||
| transportCreds, err := certificate.GetTransportCredsForClient() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return grpc.Dial(addr, grpc.WithTransportCredentials(transportCreds)) | ||
| }, | ||
| Close: func(v interface{}) error { | ||
| conn, ok := v.(*grpc.ClientConn) | ||
| if ok && conn != nil { | ||
| return conn.Close() | ||
| } | ||
| return ErrInvalidConn | ||
| }, | ||
| IdleTimeout: 3 * time.Minute, | ||
| opts := []grpc.DialOption{ | ||
| grpc.WithKeepaliveParams(keepAliveParams), | ||
| grpc.WithBackoffMaxDelay(backOffMaxDelay), | ||
| } | ||
|
|
||
| commonPool, err := pool.NewChannelPool(poolConfig) | ||
| if !app.Setting.EnableTLS { | ||
| opts = append(opts, grpc.WithInsecure()) | ||
| } else { | ||
| server := strings.Split(addr, ":") | ||
| certificate := auth.Certificate{ | ||
| CAFile: app.Setting.CAFile, | ||
| CertFile: app.Setting.CertFile, | ||
| KeyFile: app.Setting.KeyFile, | ||
| ServerName: server[0], | ||
| } | ||
|
|
||
| transportCreds, err := certificate.GetTransportCredsForClient() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| opts = append(opts, grpc.WithTransportCredentials(transportCreds)) | ||
| } | ||
|
|
||
| ctx, cancel := context.WithTimeout(context.Background(), dialTimeout) | ||
| defer cancel() | ||
|
|
||
| conn, err := grpc.DialContext(ctx, addr, opts...) | ||
| if err != nil { | ||
| return err | ||
| return nil, err | ||
| } | ||
|
|
||
| p.conns[addr] = commonPool | ||
| client = &Client{ | ||
| conn: conn, | ||
| rpcClient: rpc.NewTaskClient(conn), | ||
| } | ||
|
|
||
| return nil | ||
| return client, nil | ||
| } |
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