mirror of
https://github.com/superseriousbusiness/gotosocial.git
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223025fc27
* cache transports in controller by privkey-generated pubkey, add retry logic to transport requests Signed-off-by: kim <grufwub@gmail.com> * update code comments, defer mutex unlocks Signed-off-by: kim <grufwub@gmail.com> * add count to 'performing request' log message Signed-off-by: kim <grufwub@gmail.com> * reduce repeated conversions of same url.URL object Signed-off-by: kim <grufwub@gmail.com> * move worker.Worker to concurrency subpackage, add WorkQueue type, limit transport http client use by WorkQueue Signed-off-by: kim <grufwub@gmail.com> * fix security advisories regarding max outgoing conns, max rsp body size - implemented by a new httpclient.Client{} that wraps an underlying client with a queue to limit connections, and limit reader wrapping a response body with a configured maximum size - update pub.HttpClient args passed around to be this new httpclient.Client{} Signed-off-by: kim <grufwub@gmail.com> * add httpclient tests, move ip validation to separate package + change mechanism Signed-off-by: kim <grufwub@gmail.com> * fix merge conflicts Signed-off-by: kim <grufwub@gmail.com> * use singular mutex in transport rather than separate signer mus Signed-off-by: kim <grufwub@gmail.com> * improved useragent string Signed-off-by: kim <grufwub@gmail.com> * add note regarding missing test Signed-off-by: kim <grufwub@gmail.com> * remove useragent field from transport (instead store in controller) Signed-off-by: kim <grufwub@gmail.com> * shutup linter Signed-off-by: kim <grufwub@gmail.com> * reset other signing headers on each loop iteration Signed-off-by: kim <grufwub@gmail.com> * respect request ctx during retry-backoff sleep period Signed-off-by: kim <grufwub@gmail.com> * use external pkg with docs explaining performance "hack" Signed-off-by: kim <grufwub@gmail.com> * use http package constants instead of string method literals Signed-off-by: kim <grufwub@gmail.com> * add license file headers Signed-off-by: kim <grufwub@gmail.com> * update code comment to match new func names Signed-off-by: kim <grufwub@gmail.com> * updates to user-agent string Signed-off-by: kim <grufwub@gmail.com> * update signed testrig models to fit with new transport logic (instead uses separate signer now) Signed-off-by: kim <grufwub@gmail.com> * fuck you linter Signed-off-by: kim <grufwub@gmail.com>
104 lines
2.7 KiB
Go
104 lines
2.7 KiB
Go
package concurrency
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import (
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"context"
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"errors"
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"fmt"
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"path"
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"reflect"
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"runtime"
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"codeberg.org/gruf/go-runners"
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"github.com/sirupsen/logrus"
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)
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// WorkerPool represents a proccessor for MsgType objects, using a worker pool to allocate resources.
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type WorkerPool[MsgType any] struct {
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workers runners.WorkerPool
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process func(context.Context, MsgType) error
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prefix string // contains type prefix for logging
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}
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// New returns a new WorkerPool[MsgType] with given number of workers and queue ratio,
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// where the queue ratio is multiplied by no. workers to get queue size. If args < 1
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// then suitable defaults are determined from the runtime's GOMAXPROCS variable.
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func NewWorkerPool[MsgType any](workers int, queueRatio int) *WorkerPool[MsgType] {
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var zero MsgType
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if workers < 1 {
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// ensure sensible workers
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workers = runtime.GOMAXPROCS(0)
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}
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if queueRatio < 1 {
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// ensure sensible ratio
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queueRatio = 100
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}
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// Calculate the short type string for the msg type
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msgType := reflect.TypeOf(zero).String()
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_, msgType = path.Split(msgType)
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w := &WorkerPool[MsgType]{
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workers: runners.NewWorkerPool(workers, workers*queueRatio),
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process: nil,
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prefix: fmt.Sprintf("worker.Worker[%s]", msgType),
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}
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// Log new worker creation with type prefix
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logrus.Infof("%s created with workers=%d queue=%d",
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w.prefix,
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workers,
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workers*queueRatio,
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)
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return w
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}
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// Start will attempt to start the underlying worker pool, or return error.
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func (w *WorkerPool[MsgType]) Start() error {
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logrus.Infof("%s starting", w.prefix)
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// Check processor was set
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if w.process == nil {
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return errors.New("nil Worker.process function")
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}
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// Attempt to start pool
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if !w.workers.Start() {
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return errors.New("failed to start Worker pool")
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}
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return nil
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}
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// Stop will attempt to stop the underlying worker pool, or return error.
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func (w *WorkerPool[MsgType]) Stop() error {
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logrus.Infof("%s stopping", w.prefix)
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// Attempt to stop pool
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if !w.workers.Stop() {
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return errors.New("failed to stop Worker pool")
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}
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return nil
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}
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// SetProcessor will set the Worker's processor function, which is called for each queued message.
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func (w *WorkerPool[MsgType]) SetProcessor(fn func(context.Context, MsgType) error) {
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if w.process != nil {
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logrus.Panicf("%s Worker.process is already set", w.prefix)
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}
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w.process = fn
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}
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// Queue will queue provided message to be processed with there's a free worker.
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func (w *WorkerPool[MsgType]) Queue(msg MsgType) {
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logrus.Tracef("%s queueing message (workers=%d queue=%d): %+v",
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w.prefix, w.workers.Workers(), w.workers.Queue(), msg,
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)
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w.workers.Enqueue(func(ctx context.Context) {
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if err := w.process(ctx, msg); err != nil {
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logrus.Errorf("%s %v", w.prefix, err)
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}
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})
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}
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