Queueing, prepping to fetch

A lot more to go, but this is the core.

Need to think about how to test the queue handlers.

.gitignore

@@ -0,0 +1,2 @@
+*.db*
+*.sqlite*

Makefile

@@ -4,3 +4,7 @@ test: generate
 generate:
 	cd internal/domain64 ; make generate
 	cd internal/liteq ; sqlc generate
+	cd internal/liteq ; make schema-const
+
+run: generate
+	go run cmd/api/*.go

README.md

@@ -32,3 +32,7 @@ The use-case is (essentially) single-user.
 * https://github.com/jpillora/go-tld
 * https://pkg.go.dev/modernc.org/sqlite
 * https://github.com/sqlc-dev/sqlc
+* https://github.com/spf13/afero
+* https://github.com/tidwall/gjson
+
+//go:generate stringer -type=UpdateFrequency

cmd/api/init.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"log"
+	"os"
+	"time"
+
+	"git.jadud.com/jadudm/grosbeak/internal/domain64"
+	"git.jadud.com/jadudm/grosbeak/internal/engine"
+	liteq "git.jadud.com/jadudm/grosbeak/internal/liteq"
+	"git.jadud.com/jadudm/grosbeak/internal/types"
+	_ "modernc.org/sqlite"
+)
+
+func setupDB() *sql.DB {
+
+	// FIXME: This path needs to come from the env.
+	db, err := sql.Open("sqlite", "grosbeak.sqlite")
+	db.SetMaxOpenConns(1)
+
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	return db
+}
+
+func runQ(queue *liteq.JobQueue, queueName string, worker types.QueueWorker) {
+	for {
+		log.Printf("runQ %s\n", queueName)
+
+		err := queue.Consume(context.Background(), liteq.ConsumeParams{
+			Queue:             queueName,
+			PoolSize:          3,
+			VisibilityTimeout: 20,
+			Worker:            worker,
+		})
+
+		if err != nil {
+			log.Printf("runQ/%s: %s", queueName, err.Error())
+			time.Sleep(2 * time.Second)
+		}
+
+		time.Sleep(1 * time.Second)
+	}
+}
+
+func setupLiteQ(db *sql.DB, d64m *domain64.Domain64Map) *liteq.JobQueue {
+	liteq.Setup(db)
+	queue := liteq.New(db)
+	// The queue processes as long as this context is not cancelled.
+
+	log.Println("setting up worker queues...")
+	queues := []struct {
+		queueName string
+		worker    types.QueueWorker
+	}{
+		{"fetch", engine.Fetch(d64m)},
+	}
+	for _, q := range queues {
+		go runQ(queue, q.queueName, q.worker)
+	}
+	return queue
+}
+
+func setupDomain64Map(db *sql.DB) *domain64.Domain64Map {
+	d64m, err := domain64.NewDomain64Map()
+	if err != nil {
+		log.Printf("newdomain64map err: %s", err.Error())
+		os.Exit(1)
+	}
+	d64m.Setup(db)
+	return d64m
+}

cmd/api/main.go

@@ -1,84 +1,40 @@
 package main
 
 import (
-	"context"
-	"database/sql"
-	"fmt"
 	"log"
-	"math/rand"
-	"os"
 	"sync"
 	"time"
 
 	_ "modernc.org/sqlite"
 
-	liteq "git.jadud.com/grosbeak/internal/liteq"
+	"git.jadud.com/jadudm/grosbeak/internal/engine"
+	base "git.jadud.com/jadudm/grosbeak/internal/types"
 )
 
-func Fetch(ctx context.Context, job *liteq.Job) error {
-	n := rand.Intn(50)
-
-	time.Sleep(time.Duration(n) * time.Millisecond)
-	log.Println("Fetching", job.Job)
-	return nil
-}
-
-func runWorkers(queue *liteq.JobQueue) {
-	go queue.Consume(context.Background(), liteq.ConsumeParams{
-		Queue:             "fetch",
-		PoolSize:          3,
-		VisibilityTimeout: 200000,
-		Worker:            Fetch,
-	})
-}
-
-func Entre(queue *liteq.JobQueue, chUrl <-chan string) {
-	ctx := context.Background()
-	for {
-		url := <-chUrl
-		log.Println("Entre", url)
-		// Don't duplicate jobs on the same day of the year.
-		n := time.Now()
-		queue.QueueJob(ctx, liteq.QueueJobParams{
-			Queue: "fetch",
-			// This only works for things in the `queued` state
-			DedupingKey: liteq.IgnoreDuplicate(fmt.Sprintf("%s:%d:%d", url, n.Year(), n.YearDay())),
-			Job:         url,
-		})
-	}
-}
-
 func main() {
 	// Don't let `main()` exit
 	wg := &sync.WaitGroup{}
 	wg.Add(1)
 
-	// FIXME: This path needs to come from the env.
+	db := setupDB()
-	liteqDB, err := sql.Open("sqlite", "liteq.db")
+	d64m := setupDomain64Map(db)
-	if err != nil {
+	queue := setupLiteQ(db, d64m)
-		fmt.Println(err)
+
-		os.Exit(1)
+	// Enqueue URLs
+	urls := []struct {
+		url string
+		uf  base.UpdateFrequency
+	}{
+		{"https://jadud.com/", base.UPDATE_DAILY},
+		{"https://berea.us/", base.UPDATE_WEEKLY},
 	}
-	liteq.Setup(liteqDB)
-	queue := liteq.New(liteqDB)
-	// The queue processes as long as this context is not cancelled.
 
-	log.Println("Setting up workers...")
+	for _, u := range urls {
-	go runWorkers(queue)
+		engine.Entre(queue, &base.EntreJob{URL: u.url, UpdateFrequency: u.uf})
-
+		time.Sleep(1 * time.Second)
-	log.Println("Building network...")
-	// Create the network for the search engine.
-	chUrl := make(chan string)
-
-	go Entre(queue, chUrl)
-	for {
-		chUrl <- "https://jadud.com/"
-		time.Sleep(2 * time.Second)
-		chUrl <- "https://berea.us/"
-		time.Sleep(2 * time.Second)
 	}
 
 	// Don't exit.
-	log.Println("Waiting...")
+	log.Println("Waiting for godot...")
 	wg.Wait()
 }

go.mod

@@ -1,4 +1,4 @@
-module git.jadud.com/grosbeak
+module git.jadud.com/jadudm/grosbeak
 
 go 1.24.0
 
@@ -8,6 +8,7 @@ require (
 	github.com/alitto/pond v1.9.2
 	github.com/jpillora/go-tld v1.2.1
 	github.com/matryer/is v1.4.1
+	github.com/tidwall/gjson v1.18.0
 	modernc.org/sqlite v1.40.1
 )
 
@@ -17,6 +18,8 @@ require (
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/tidwall/match v1.2.0 // indirect
+	github.com/tidwall/pretty v1.2.1 // indirect
 	golang.org/x/exp v0.0.0-20251125195548-87e1e737ad39 // indirect
 	golang.org/x/net v0.47.0 // indirect
 	golang.org/x/sys v0.38.0 // indirect

go.sum

@@ -18,6 +18,14 @@ github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOF
 github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/tidwall/gjson v1.18.0 h1:FIDeeyB800efLX89e5a8Y0BNH+LOngJyGrIWxG2FKQY=
+github.com/tidwall/gjson v1.18.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
+github.com/tidwall/match v1.2.0 h1:0pt8FlkOwjN2fPt4bIl4BoNxb98gGHN2ObFEDkrfZnM=
+github.com/tidwall/match v1.2.0/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
+github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
+github.com/tidwall/pretty v1.2.1 h1:qjsOFOWWQl+N3RsoF5/ssm1pHmJJwhjlSbZ51I6wMl4=
+github.com/tidwall/pretty v1.2.1/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
 golang.org/x/exp v0.0.0-20251125195548-87e1e737ad39 h1:DHNhtq3sNNzrvduZZIiFyXWOL9IWaDPHqTnLJp+rCBY=
 golang.org/x/exp v0.0.0-20251125195548-87e1e737ad39/go.mod h1:46edojNIoXTNOhySWIWdix628clX9ODXwPsQuG6hsK0=
 golang.org/x/mod v0.30.0 h1:fDEXFVZ/fmCKProc/yAXXUijritrDzahmwwefnjoPFk=

internal/domain64/database.go

@@ -3,30 +3,43 @@ package domain64
 import (
 	"context"
 	"database/sql"
+	_ "embed"
 	"fmt"
 	"log"
 	"slices"
 	"sync"
 
-	sqlc "git.jadud.com/grosbeak/internal/domain64/sqlc"
+	sqlc "git.jadud.com/jadudm/grosbeak/internal/domain64/sqlc"
 	"github.com/jpillora/go-tld"
 )
 
+//go:embed sqlc/schema.sql
+var ddl string
+
 type Domain64Map struct {
 	mu      sync.Mutex
 	m       map[string]int
 	DB      *sql.DB
-	Flushed bool
+	Queries *sqlc.Queries
 }
 
-func NewDomain64Map(db *sql.DB) (*Domain64Map, error) {
+func NewDomain64Map() (*Domain64Map, error) {
 	d64m := &Domain64Map{}
-	d64m.DB = db
+	d64m.DB = nil
-	d64m.Flushed = true
+	d64m.Queries = nil
-	// Init the tables if a DB pointer is passed in.
 	return d64m, nil
 }
 
+func (d64m *Domain64Map) Setup(db *sql.DB) {
+	log.Printf("creating domain64 tables\n")
+	if _, err := db.ExecContext(context.Background(), ddl); err != nil {
+		log.Printf("setup err: %s", err.Error())
+		panic(err)
+	}
+	d64m.DB = db
+	d64m.Queries = sqlc.New(db)
+}
+
 func (d64m *Domain64Map) URLToRFQDN(url *tld.URL) string {
 	s := ""
 	if url.TLD != "" {
@@ -140,21 +153,21 @@ func (d64m *Domain64Map) URLToDomain64(url *tld.URL) (*Domain64, error) {
 	}
 
 	d64 := &Domain64{}
-	queries := sqlc.New(d64m.DB)
+
 	// These manipulate both the DB and the Domain64 struct
-	err := _get_or_insert_tld(queries, d64, url)
+	err := _get_or_insert_tld(d64m.Queries, d64, url)
 	if err != nil {
 		return nil, err
 	}
-	err = _get_or_insert_domain(queries, d64, url)
+	err = _get_or_insert_domain(d64m.Queries, d64, url)
 	if err != nil {
 		return nil, err
 	}
-	err = _get_or_insert_subdomain(queries, d64, url)
+	err = _get_or_insert_subdomain(d64m.Queries, d64, url)
 	if err != nil {
 		return nil, err
 	}
-	err = _get_or_insert_path(queries, d64, url)
+	err = _get_or_insert_path(d64m.Queries, d64, url)
 	if err != nil {
 		return nil, err
 	}

internal/domain64/database_test.go

@@ -3,16 +3,12 @@ package domain64
 import (
 	"context"
 	"database/sql"
-	_ "embed"
 	"testing"
 
 	"github.com/jpillora/go-tld"
 	_ "modernc.org/sqlite"
 )
 
-//go:embed sqlc/schema.sql
-var ddl string
-
 func setup() *sql.DB {
 	ctx := context.Background()
 
@@ -32,7 +28,8 @@ func setup() *sql.DB {
 
 func TestNewDomain64Map(t *testing.T) {
 	db := setup()
-	M, err := NewDomain64Map(db)
+	M, err := NewDomain64Map()
+	M.Setup(db)
 	if err != nil {
 		// TODO
 		t.Error(err)
@@ -43,7 +40,8 @@ func TestNewDomain64Map(t *testing.T) {
 }
 
 func TestURLToRFQDN(t *testing.T) {
-	M, _ := NewDomain64Map(nil)
+	M, _ := NewDomain64Map()
+	// M.Setup(db)
 	simple, _ := tld.Parse("https://jadud.com/")
 	rfqdn := M.URLToRFQDN(simple)
 	if rfqdn != "com.jadud/" {
@@ -53,7 +51,8 @@ func TestURLToRFQDN(t *testing.T) {
 
 func TestURLToDomain64(t *testing.T) {
 	db := setup()
-	M, _ := NewDomain64Map(db)
+	M, _ := NewDomain64Map()
+	M.Setup(db)
 	simple, _ := tld.Parse("https://jadud.com/")
 	d64, _ := M.URLToDomain64(simple)
 	if d64.TLD != 1 {
@@ -67,7 +66,8 @@ func TestURLToDomain64(t *testing.T) {
 
 func TestURLToDomain64_02(t *testing.T) {
 	db := setup()
-	M, _ := NewDomain64Map(db)
+	M, _ := NewDomain64Map()
+	M.Setup(db)
 	simple1, _ := tld.Parse("https://jadud.com/")
 	simple2, _ := tld.Parse("https://another.com/")
 	d64_1, _ := M.URLToDomain64(simple1)
@@ -93,7 +93,8 @@ func TestURLToDomain64_02(t *testing.T) {
 
 func TestURLToDomain64_03(t *testing.T) {
 	db := setup()
-	M, _ := NewDomain64Map(db)
+	M, _ := NewDomain64Map()
+	M.Setup(db)
 	var tests = []struct {
 		url       string
 		tld       int64

internal/engine/entre.go

@@ -0,0 +1,39 @@
+package engine
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"time"
+
+	"git.jadud.com/jadudm/grosbeak/internal/liteq"
+	base "git.jadud.com/jadudm/grosbeak/internal/types"
+)
+
+func Entre(queue *liteq.JobQueue, ej *base.EntreJob) error {
+	n := time.Now()
+
+	var ignore_tag string
+
+	switch ej.UpdateFrequency {
+	case base.UPDATE_DAILY:
+		ignore_tag = fmt.Sprintf("%s|y%d-yd%d", ej.URL, n.Year(), n.YearDay())
+	case base.UPDATE_WEEKLY:
+		ignore_tag = fmt.Sprintf("%s|y%d-w%d", ej.URL, n.Year(), n.YearDay()/7)
+	case base.UPDATE_MONTHLY:
+		ignore_tag = fmt.Sprintf("%s|y%d-m%d", ej.URL, n.Year(), n.Month())
+	default:
+		ignore_tag = fmt.Sprintf("%s|y%d-yd%d", ej.URL, n.Year(), n.YearDay())
+	}
+
+	err := queue.QueueJob(context.Background(), liteq.QueueJobParams{
+		Queue: "fetch",
+		// This only works for things in the `queued` state
+		DedupingKey: liteq.IgnoreDuplicate(ignore_tag),
+		Job:         ej.AsJson(),
+	})
+	if err != nil {
+		log.Printf("entre err %s: %s\n", ej.URL, err.Error())
+	}
+	return err
+}

internal/engine/fetch.go

@@ -0,0 +1,34 @@
+package engine
+
+import (
+	"context"
+	"log"
+
+	"git.jadud.com/jadudm/grosbeak/internal/domain64"
+	"git.jadud.com/jadudm/grosbeak/internal/liteq"
+	"git.jadud.com/jadudm/grosbeak/internal/types"
+	"github.com/jpillora/go-tld"
+	"github.com/tidwall/gjson"
+)
+
+func Fetch(d64m *domain64.Domain64Map) types.QueueWorker {
+	_f := func(ctx context.Context, job *liteq.Job) error {
+		url := gjson.Get(job.Job, "url").String()
+
+		turl, err := tld.Parse(url)
+		if err != nil {
+			// If we can't parse it, shut the job down as completed.
+			return nil
+		}
+
+		d64, err := d64m.URLToDomain64(turl)
+		if err != nil {
+			log.Printf("urltodomain64 err %s: %s\n", url, err.Error())
+		}
+
+		log.Printf("fetching %s 0x%016x\n", url, d64.ToInt64())
+		return nil
+	}
+
+	return _f
+}

internal/liteq/db/queries.sql

@@ -20,10 +20,9 @@ VALUES
         unixepoch(),
         ?,
         ?
-    ) ON CONFLICT (deduping_key, job_status)
+    ) ON CONFLICT (deduping_key)
 WHERE
-    deduping_key != ''
+    deduping_key != '' DO NOTHING;
-    AND (job_status = 'queued' OR job_status = 'fetched' OR job_status = 'completed') DO NOTHING;
 
 -- name: doQueueJobReplaceDupe :exec
 INSERT INTO

internal/liteq/db/schema.sql

@@ -21,10 +21,9 @@ WHERE
     job_status = 'queued'
     OR job_status = 'fetched';
 
-CREATE UNIQUE INDEX IF NOT EXISTS dedupe_ignore ON jobs (deduping_key, job_status)
+CREATE UNIQUE INDEX IF NOT EXISTS dedupe_ignore ON jobs (deduping_key)
 WHERE
-    deduping_key != ''
+    deduping_key != '';
-    AND (job_status = 'queued' OR job_status = 'fetched' OR job_status = 'completed');
 
 CREATE UNIQUE INDEX IF NOT EXISTS dedupe_replace ON jobs (deduping_key, job_status)
 WHERE

internal/liteq/internal/methods.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"log"
 	"time"
 
 	"database/sql/driver"
@@ -110,6 +111,7 @@ func (q *Queries) Consume(ctx context.Context, params ConsumeParams) error {
 	for {
 		// If the context gets canceled for example, stop consuming
 		if ctx.Err() != nil {
+			log.Println("context cancelled in Consume()")
 			return nil
 		}
 
@@ -120,6 +122,7 @@ func (q *Queries) Consume(ctx context.Context, params ConsumeParams) error {
 			})
 
 			if err != nil {
+				log.Println("error resetting jobs", err.Error())
 				return fmt.Errorf("error resetting jobs: %w", err)
 			}
 		}
@@ -143,6 +146,7 @@ func (q *Queries) Consume(ctx context.Context, params ConsumeParams) error {
 			workers.Submit(func() {
 				err := params.Worker(ctx, job)
 				if err != nil {
+					log.Println("worker failled", err.Error())
 					q.FailJob(ctx, FailJobParams{
 						ID:     job.ID,
 						Errors: ErrorList(append(job.Errors, err.Error())),

internal/liteq/internal/queries.sql.go

@@ -205,10 +205,9 @@ VALUES
         unixepoch(),
         ?,
         ?
-    ) ON CONFLICT (deduping_key, job_status)
+    ) ON CONFLICT (deduping_key)
 WHERE
-    deduping_key != ''
+    deduping_key != '' DO NOTHING
-    AND (job_status = 'queued' OR job_status = 'fetched' OR job_status = 'completed') DO NOTHING
 `
 
 type doQueueJobIgnoreDupeParams struct {

internal/liteq/internal/schema.go

@@ -25,10 +25,9 @@ WHERE
     job_status = 'queued'
     OR job_status = 'fetched';
 
-CREATE UNIQUE INDEX IF NOT EXISTS dedupe_ignore ON jobs (deduping_key, job_status)
+CREATE UNIQUE INDEX IF NOT EXISTS dedupe_ignore ON jobs (deduping_key)
 WHERE
-    deduping_key != ''
+    deduping_key != '';
-    AND (job_status = 'queued' OR job_status = 'fetched' OR job_status = 'completed');
 
 CREATE UNIQUE INDEX IF NOT EXISTS dedupe_replace ON jobs (deduping_key, job_status)
 WHERE

internal/liteq/internal_test/jobs_test.go

@@ -10,7 +10,7 @@ import (
 	"testing"
 	"time"
 
-	"git.jadud.com/grosbeak/internal/liteq/internal"
+	"git.jadud.com/jadudm/grosbeak/internal/liteq/internal"
 	"github.com/matryer/is"
 	_ "modernc.org/sqlite"
 )

internal/liteq/liteq.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"database/sql"
 
-	internal "git.jadud.com/grosbeak/internal/liteq/internal"
+	internal "git.jadud.com/jadudm/grosbeak/internal/liteq/internal"
 )
 
 // Creates the db file with the tables and indexes

internal/types/base.go

@@ -0,0 +1,9 @@
+package types
+
+import (
+	"context"
+
+	"git.jadud.com/jadudm/grosbeak/internal/liteq"
+)
+
+type QueueWorker func(ctx context.Context, job *liteq.Job) error

internal/types/constants.go

@@ -0,0 +1,9 @@
+package types
+
+type UpdateFrequency string
+
+const (
+	UPDATE_DAILY   UpdateFrequency = "DAILY"
+	UPDATE_WEEKLY  UpdateFrequency = "WEEKLY"
+	UPDATE_MONTHLY UpdateFrequency = "MONTHLY"
+)

internal/types/jobs.go

@@ -0,0 +1,22 @@
+package types
+
+import "encoding/json"
+
+type Job interface {
+	AsJson() string
+}
+
+// Used by all of the jobs.
+func _as_json(j Job) string {
+	as_json, _ := json.Marshal(j)
+	return string(as_json)
+}
+
+type EntreJob struct {
+	URL             string          `json:"url"`
+	UpdateFrequency UpdateFrequency `json:"update_frequency"`
+}
+
+func (ej *EntreJob) AsJson() string {
+	return _as_json(ej)
+}