bag_reader.cpp
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30 
31 #include <QFileDialog>
32 #include <QDir>
33 
35 
36 #include <rosbag/bag.h>
37 #include <rosbag/view.h>
38 
39 using namespace swri_console;
40 
41 void BagReader::readBagFile(const QString& filename)
42 {
43  bool log_messages_found = true;
44  rosbag::Bag bag;
45  bag.open(filename.toStdString(), rosbag::bagmode::Read);
46 
47  rosbag::View view(bag, rosbag::TopicQuery("/rosout"));
48  if (view.size() == 0)
49  {
50  // This implies we have no messages on /rosout, let's try /rosout_agg
51  view.addQuery(bag, rosbag::TopicQuery("/rosout_agg"));
52  if (view.size() == 0)
53  {
54  qWarning("Could not find any messages on either '/rosout' or '/rosout_agg' in bag file '%s'",
55  filename.toStdString().c_str());
56  log_messages_found = false;
57  }
58  }
59 
60  if (log_messages_found)
61  {
63 
64  for(iter = view.begin(); iter != view.end(); ++iter)
65  {
66  rosgraph_msgs::LogConstPtr log = iter->instantiate<rosgraph_msgs::Log>();
67  if (log != NULL ) {
68  emit logReceived(log);
69  }
70  else {
71  qWarning("Got a message that was not a log message but a: %s", iter->getDataType().c_str());
72  }
73  }
74  }
75 
76  emit finishedReading();
77 }
78 
80 {
81  QString filename = QFileDialog::getOpenFileName(NULL,
82  tr("Open Bag File"),
83  QDir::homePath(),
84  tr("Bag Files (*.bag)"));
85 
86  if (filename != NULL)
87  {
88  readBagFile(filename);
89  }
90 }
rosbag::Bag
rosbag::View::size
uint32_t size()
bag.h
rosbag::bagmode::Read
Read
swri_console::BagReader::logReceived
void logReceived(const rosgraph_msgs::LogConstPtr &msg)
rosbag::View::const_iterator
iterator const_iterator
swri_console::BagReader::readBagFile
void readBagFile(const QString &filename)
Definition: bag_reader.cpp:41
rosbag::TopicQuery
rosbag::View::addQuery
void addQuery(Bag const &bag, boost::function< bool(ConnectionInfo const *)> query, ros::Time const &start_time=ros::TIME_MIN, ros::Time const &end_time=ros::TIME_MAX)
view.h
swri_console
Definition: bag_reader.h:40
rosbag::View
bag_reader.h
swri_console::BagReader::promptForBagFile
void promptForBagFile()
Definition: bag_reader.cpp:79
rosbag::Bag::open
void open(std::string const &filename, uint32_t mode=bagmode::Read)
rosbag::View::end
iterator end()
rosbag::View::begin
iterator begin()
swri_console::BagReader::finishedReading
void finishedReading()


swri_console
Author(s): P. J. Reed , Jerry Towler , David Anthony
autogenerated on Sat Sep 23 2023 02:55:36