platform: modularize api/gui, add docs-tests-web foundation, and refresh root config

selective-vpn-api/app/watchers_start.go

@@ -0,0 +1,38 @@
+package app
+
+import (
+	"context"
+	"time"
+)
+
+func startWatchers(ctx context.Context) {
+	statusEvery := time.Duration(envInt("SVPN_POLL_STATUS_MS", defaultPollStatusMs)) * time.Millisecond
+	loginEvery := time.Duration(envInt("SVPN_POLL_LOGIN_MS", defaultPollLoginMs)) * time.Millisecond
+	autoEvery := time.Duration(envInt("SVPN_POLL_AUTOLOOP_MS", defaultPollAutoloopMs)) * time.Millisecond
+	systemdEvery := time.Duration(envInt("SVPN_POLL_SYSTEMD_MS", defaultPollSystemdMs)) * time.Millisecond
+	traceEvery := time.Duration(envInt("SVPN_POLL_TRACE_MS", defaultPollTraceMs)) * time.Millisecond
+	appMarksEvery := time.Duration(envInt("SVPN_POLL_APPMARKS_MS", defaultPollAppMarksMs)) * time.Millisecond
+
+	go watchStatusFile(ctx, statusEvery)
+	go watchLoginFile(ctx, loginEvery)
+	go watchAutoloop(ctx, autoEvery)
+	go watchFileChange(ctx, traceLogPath, "trace_changed", "full", traceEvery)
+	go watchFileChange(ctx, smartdnsLogPath, "trace_changed", "smartdns", traceEvery)
+	go watchTrafficAppMarksTTL(ctx, appMarksEvery)
+
+	go watchSystemdUnitDynamic(ctx, routesServiceUnitName, "routes_service", systemdEvery)
+	go watchSystemdUnitDynamic(ctx, routesTimerUnitName, "routes_timer", systemdEvery)
+	go watchSystemdUnit(ctx, adgvpnUnit, "vpn_unit", systemdEvery)
+	go watchSystemdUnit(ctx, "smartdns-local.service", "smartdns_unit", systemdEvery)
+}
+
+func watchTrafficAppMarksTTL(ctx context.Context, every time.Duration) {
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-time.After(every):
+		}
+		_ = pruneExpiredAppMarks()
+	}
+}