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package boltdb
import (
"github.com/spiral/errors"
"github.com/spiral/roadrunner/v2/common/jobs"
"github.com/spiral/roadrunner/v2/common/kv"
"github.com/spiral/roadrunner/v2/pkg/events"
priorityqueue "github.com/spiral/roadrunner/v2/pkg/priority_queue"
"github.com/spiral/roadrunner/v2/plugins/boltdb/boltjobs"
"github.com/spiral/roadrunner/v2/plugins/boltdb/boltkv"
"github.com/spiral/roadrunner/v2/plugins/config"
"github.com/spiral/roadrunner/v2/plugins/jobs/pipeline"
"github.com/spiral/roadrunner/v2/plugins/logger"
)
const (
PluginName string = "boltdb"
)
// Plugin BoltDB K/V storage.
type Plugin struct {
cfgPlugin config.Configurer
// logger
log logger.Logger
// stop is used to stop keys GC and close boltdb connection
stop chan struct{}
drivers uint
}
func (p *Plugin) Init(log logger.Logger, cfg config.Configurer) error {
p.stop = make(chan struct{})
p.log = log
p.cfgPlugin = cfg
return nil
}
// Serve is noop here
func (p *Plugin) Serve() chan error {
return make(chan error, 1)
}
func (p *Plugin) Stop() error {
if p.drivers > 0 {
for i := uint(0); i < p.drivers; i++ {
// send close signal to every driver
p.stop <- struct{}{}
}
}
return nil
}
// Name returns plugin name
func (p *Plugin) Name() string {
return PluginName
}
// Available interface implementation
func (p *Plugin) Available() {}
func (p *Plugin) KVConstruct(key string) (kv.Storage, error) {
const op = errors.Op("boltdb_plugin_provide")
st, err := boltkv.NewBoltDBDriver(p.log, key, p.cfgPlugin, p.stop)
if err != nil {
return nil, errors.E(op, err)
}
// save driver number to release resources after Stop
p.drivers++
return st, nil
}
// JOBS bbolt implementation
func (p *Plugin) JobsConstruct(configKey string, e events.Handler, queue priorityqueue.Queue) (jobs.Consumer, error) {
return boltjobs.NewBoltDBJobs(configKey, p.log, p.cfgPlugin, e, queue)
}
func (p *Plugin) FromPipeline(pipe *pipeline.Pipeline, e events.Handler, queue priorityqueue.Queue) (jobs.Consumer, error) {
return boltjobs.FromPipeline(pipe, p.log, p.cfgPlugin, e, queue)
}
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