/
queue.go
64 lines (50 loc) · 1.94 KB
/
queue.go
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package queue
import (
"fmt"
"github.com/application-research/estuary/config"
"github.com/application-research/estuary/shuttle/rpc/engines/queue/drivers/nsq"
rpcevent "github.com/application-research/estuary/shuttle/rpc/event"
"github.com/application-research/estuary/shuttle/rpc/types"
"go.uber.org/zap"
)
type IEstuaryRpcEngine interface {
SendMessage(topic string, handle string, msg *rpcevent.Command) error
}
type IShuttleRpcEngine interface {
SendMessage(topic string, msg *rpcevent.Message) error
}
func NewEstuaryRpcEngine(cfg *config.Estuary, log *zap.SugaredLogger, handlerFn types.MessageHandlerFn) (IEstuaryRpcEngine, error) {
if handlerFn == nil {
return nil, fmt.Errorf("command handler is required")
}
if cfg.RpcEngine.Queue.Host == "" {
return nil, fmt.Errorf("queue host is required")
}
if cfg.RpcEngine.Queue.Consumers == 0 {
return nil, fmt.Errorf("queue consumers cannot be 0")
}
if cfg.RpcEngine.Queue.Driver == nsq.Driver {
log.Debugf("going to use %s queue for rpc....", cfg.RpcEngine.Queue.Driver)
return nsq.NewEstuaryRpcQueue(cfg, log, handlerFn)
}
return nil, fmt.Errorf("%s queue driver is not supported", cfg.RpcEngine.Queue.Driver)
}
func NewShuttleRpcEngine(cfg *config.Shuttle, handle string, log *zap.SugaredLogger, handlerFn types.CommandHandlerFn) (IShuttleRpcEngine, error) {
if handlerFn == nil {
return nil, fmt.Errorf("command handler is required")
}
if handle == "" {
return nil, fmt.Errorf("shuttle handle is required")
}
if cfg.RpcEngine.Queue.Host == "" {
return nil, fmt.Errorf("queue host is required")
}
if cfg.RpcEngine.Queue.Consumers == 0 {
return nil, fmt.Errorf("queue consumers cannot be 0")
}
if cfg.RpcEngine.Queue.Driver == nsq.Driver {
log.Debugf("going to use %s queue for rpc....", cfg.RpcEngine.Queue.Driver)
return nsq.NewShuttleRpcQueue(cfg, log, handle, handlerFn)
}
return nil, fmt.Errorf("%s queue driver is not supported", cfg.RpcEngine.Queue.Driver)
}