Add ASN to logtail, collector, aggregator, frontend and CLI

cmd/frontend/handler.go

@@ -54,6 +54,7 @@ type filterState struct {
 	WebsiteRe string // RE2 regex against website
 	URIRe     string // RE2 regex against request URI
 	IsTor     string // "", "1" (TOR only), "0" (non-TOR only)
+	ASN       string // expression: "12345", "!=65000", ">=1000", etc.
 }
 
 // QueryParams holds all parsed URL parameters for one page request.
@@ -91,7 +92,7 @@ var windowSpecs = []struct{ s, label string }{
 }
 
 var groupBySpecs = []struct{ s, label string }{
-	{"website", "website"}, {"prefix", "prefix"}, {"uri", "uri"}, {"status", "status"},
+	{"website", "website"}, {"asn", "asn"}, {"prefix", "prefix"}, {"status", "status"}, {"uri", "uri"},
 }
 
 func parseWindowString(s string) (pb.Window, string) {
@@ -121,6 +122,8 @@ func parseGroupByString(s string) (pb.GroupBy, string) {
 		return pb.GroupBy_REQUEST_URI, "uri"
 	case "status":
 		return pb.GroupBy_HTTP_RESPONSE, "status"
+	case "asn":
+		return pb.GroupBy_ASN_NUMBER, "asn"
 	default:
 		return pb.GroupBy_WEBSITE, "website"
 	}
@@ -159,12 +162,13 @@ func (h *Handler) parseParams(r *http.Request) QueryParams {
 			WebsiteRe: q.Get("f_website_re"),
 			URIRe:     q.Get("f_uri_re"),
 			IsTor:     q.Get("f_is_tor"),
+			ASN:       q.Get("f_asn"),
 		},
 	}
 }
 
 func buildFilter(f filterState) *pb.Filter {
-	if f.Website == "" && f.Prefix == "" && f.URI == "" && f.Status == "" && f.WebsiteRe == "" && f.URIRe == "" && f.IsTor == "" {
+	if f.Website == "" && f.Prefix == "" && f.URI == "" && f.Status == "" && f.WebsiteRe == "" && f.URIRe == "" && f.IsTor == "" && f.ASN == "" {
 		return nil
 	}
 	out := &pb.Filter{}
@@ -195,6 +199,12 @@ func buildFilter(f filterState) *pb.Filter {
 	case "0":
 		out.Tor = pb.TorFilter_TOR_NO
 	}
+	if f.ASN != "" {
+		if n, op, ok := st.ParseStatusExpr(f.ASN); ok {
+			out.AsnNumber = &n
+			out.AsnOp = op
+		}
+	}
 	return out
 }
 
@@ -226,6 +236,9 @@ func (p QueryParams) toValues() url.Values {
 	if p.Filter.IsTor != "" {
 		v.Set("f_is_tor", p.Filter.IsTor)
 	}
+	if p.Filter.ASN != "" {
+		v.Set("f_asn", p.Filter.ASN)
+	}
 	return v
 }
 
@@ -247,7 +260,7 @@ func (p QueryParams) buildURL(overrides map[string]string) string {
 func (p QueryParams) clearFilterURL() string {
 	return p.buildURL(map[string]string{
 		"f_website": "", "f_prefix": "", "f_uri": "", "f_status": "",
-		"f_website_re": "", "f_uri_re": "",
+		"f_website_re": "", "f_uri_re": "", "f_is_tor": "", "f_asn": "",
 	})
 }
 
@@ -260,7 +273,9 @@ func nextGroupBy(s string) string {
 		return "uri"
 	case "uri":
 		return "status"
-	default: // status → back to website
+	case "status":
+		return "asn"
+	default: // asn → back to website
 		return "website"
 	}
 }
@@ -276,6 +291,8 @@ func groupByFilterKey(s string) string {
 		return "f_uri"
 	case "status":
 		return "f_status"
+	case "asn":
+		return "f_asn"
 	default:
 		return "f_website"
 	}
@@ -338,6 +355,12 @@ func buildCrumbs(p QueryParams) []Crumb {
 			RemoveURL: p.buildURL(map[string]string{"f_is_tor": ""}),
 		})
 	}
+	if p.Filter.ASN != "" {
+		crumbs = append(crumbs, Crumb{
+			Text:      asnTermStr(p.Filter.ASN),
+			RemoveURL: p.buildURL(map[string]string{"f_asn": ""}),
+		})
+	}
 	return crumbs
 }