* Added some memory debugging utils.

git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@1171 e378c898-3ddf-0310-93e7-cc216c733640

doc/log_proc_vmmap.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+cat /proc/$PPID/maps > $1

doc/log_vmmap.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+vmmap -interleaved $PPID > $1

src/command_local.cc

@@ -38,6 +38,7 @@
 
 #include <fcntl.h>
 #include <functional>
+#include <stdio.h>
 #include <unistd.h>
 #include <rak/path.h>
 #include <sys/types.h>
@@ -45,7 +46,9 @@
 #include <torrent/torrent.h>
 #include <torrent/chunk_manager.h>
 #include <torrent/data/file_manager.h>
+#include <torrent/data/chunk_utils.h>
 
+#include "core/download.h"
 #include "core/download_list.h"
 #include "core/download_store.h"
 #include "core/manager.h"
@@ -167,6 +170,27 @@ group_insert(const torrent::Object::list_type& args) {
   return name;
 }
 
+torrent::Object
+log_vmmap_dump(const std::string& str) {
+  core::DownloadList* d_list = control->core()->download_list();
+  std::vector<torrent::vm_mapping> all_mappings;
+
+  for (core::DownloadList::iterator itr = d_list->begin(), last = d_list->end(); itr != last; itr++) {
+    std::vector<torrent::vm_mapping> tmp_mappings = torrent::chunk_list_mapping((*itr)->download());
+
+    all_mappings.insert(all_mappings.end(), tmp_mappings.begin(), tmp_mappings.end());    
+  }
+
+  FILE* log_file = fopen(str.c_str(), "w");
+
+  for (std::vector<torrent::vm_mapping>::iterator itr = all_mappings.begin(), last = all_mappings.end(); itr != last; itr++) {
+    fprintf(log_file, "%8p-%8p [%5llxk]\n", itr->ptr, (char*)itr->ptr + itr->length, itr->length / 1024);
+  }
+
+  fclose(log_file);
+  return torrent::Object();
+}
+
 void
 initialize_command_local() {
   torrent::ChunkManager* chunkManager = torrent::chunk_manager();
@@ -246,6 +270,7 @@ initialize_command_local() {
   CMD2_EXECUTE     ("execute_capture_nothrow", rpc::ExecFile::flag_expand_tilde | rpc::ExecFile::flag_capture);
 
   CMD2_ANY_STRING  ("log.execute",    std::tr1::bind(&apply_log, std::tr1::placeholders::_2, 0));
+  CMD2_ANY_STRING  ("log.vmmap.dump", std::tr1::bind(&log_vmmap_dump, std::tr1::placeholders::_2));
   CMD2_ANY_STRING_V("log.xmlrpc",     std::tr1::bind(&ThreadWorker::set_xmlrpc_log, worker_thread, std::tr1::placeholders::_2));
 
   // TODO: Convert to new command types:

src/main.cc

@@ -804,6 +804,8 @@ do_panic(int signum) {
   SignalHandler::set_default(signum);
   display::Canvas::cleanup();
 
+  // Use printf here instead...
+
   std::cout << "Caught " << SignalHandler::as_string(signum) << ", dumping stack:" << std::endl;
   
 #ifdef USE_EXECINFO
@@ -820,6 +822,19 @@ do_panic(int signum) {
   std::cout << "Stack dump not enabled." << std::endl;
 #endif
   
+  // Dumping virtual memory map information to file:
+  // char dump_path[256];
+  // snprintf(dump_path, 256, "./rtorrent.map.%u", getpid());
+
+  // int dump_fd = open(dump_path, O_RDWR | O_CREAT);
+
+  // if (dump_fd == -1) {
+  //   printf("Could not create vmmap dump file '%s'.", dump_path);
+  //   goto do_panic_exit;
+  // }
+
+// do_panic_exit:
+
   if (signum == SIGBUS)
     std::cout << "A bus error probably means you ran out of diskspace." << std::endl;
 

src/ui/element_download_list.cc

@@ -66,7 +66,7 @@ ElementDownloadList::ElementDownloadList() :
   m_bindings['\x13'] = sigc::bind(sigc::mem_fun(*this, &ElementDownloadList::receive_command), "d.start=");
   m_bindings['\x04'] = sigc::bind(sigc::mem_fun(*this, &ElementDownloadList::receive_command), "branch=d.state=,d.stop=,d.erase=");
   m_bindings['\x0B'] = sigc::bind(sigc::mem_fun(*this, &ElementDownloadList::receive_command), "d.ignore_commands.set=1; d.stop=; d.close=");
-  m_bindings['\x12'] = sigc::bind(sigc::mem_fun(*this, &ElementDownloadList::receive_command), "d.check_hash=");
+  m_bindings['\x12'] = sigc::bind(sigc::mem_fun(*this, &ElementDownloadList::receive_command), "d.complete.set=0; d.check_hash=");
   m_bindings['\x05'] = sigc::bind(sigc::mem_fun(*this, &ElementDownloadList::receive_command),
                                          "f.multicall=,f.set_create_queued=,f.set_resize_queued=; print=\"Queued create/resize of files in torrent.\"");