Add trackers.delay_scrape

Based on rakshasa/rtorrent#1210 and jesec#31

include/core/download_factory.h

@@ -60,6 +60,13 @@ class DownloadFactory {
     m_start = v;
   }
 
+  bool get_init_load() const {
+    return m_initLoad;
+  }
+  void set_init_load(bool v) {
+    m_initLoad = v;
+  }
+
   bool print_log() const {
     return m_printLog;
   }
@@ -103,6 +110,7 @@ class DownloadFactory {
   bool        m_printLog{ true };
   bool        m_immediate{ false };
   bool        m_isFile{ false };
+  bool        m_initLoad{ false };
 
   command_list_type         m_commands;
   torrent::Object::map_type m_variables;

src/command_tracker.cc

@@ -222,6 +222,7 @@ initialize_command_tracker() {
   CMD2_ANY_VALUE("trackers.disable", [](const auto&, const auto&) {
     return apply_enable_trackers(int64_t(0));
   });
+  CMD2_VAR_BOOL("trackers.delay_scrape", false);
   CMD2_VAR_VALUE("trackers.numwant", -1);
   CMD2_VAR_BOOL("trackers.use_udp", true);
 

src/core/download_factory.cc

@@ -298,6 +298,10 @@ DownloadFactory::receive_success() {
   if (!rpc::call_command_value("trackers.use_udp"))
     download->enable_udp_trackers(false);
 
+  // Skip forcing trackers to scrape when rtorrent starts
+  if (m_initLoad && rpc::call_command_value("trackers.delay_scrape"))
+    download->set_resume_flags(torrent::Download::start_skip_tracker);
+
   // Check first if we already have these values set in the session
   // torrent, so that it is safe to change the values.
   //

src/main.cc

@@ -155,6 +155,7 @@ load_session_torrents() {
 
     // Replace with session torrent flag.
     f->set_session(true);
+    f->set_init_load(true);
     f->set_immediate(true);
     f->slot_finished([f, &progress_bar, entries_size]() {
       if (control->is_shutdown_received()) {
@@ -199,6 +200,7 @@ load_arg_torrents(char** first, char** last) {
 
     // Replace with session torrent flag.
     f->set_start(true);
+    f->set_init_load(true);
     f->slot_finished([f]() { delete f; });
     f->load(*first);
     f->commit();