self_test.h
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00034 
00035 #ifndef SELFTEST_HH
00036 #define SELFTEST_HH
00037 
00038 #include <stdexcept>
00039 #include <vector>
00040 #include <string>
00041 
00042 #include <boost/thread.hpp>
00043 #include <ros/callback_queue.h>
00044 
00045 #include "diagnostic_msgs/DiagnosticStatus.h"
00046 #include "diagnostic_msgs/SelfTest.h"
00047 #include "diagnostic_updater/diagnostic_updater.h"
00048 
00049 namespace self_test
00050 {
00051 
00052   using namespace diagnostic_updater;
00053 
00068   class TestRunner : public DiagnosticTaskVector
00069   {        
00070     private:
00071       ros::ServiceServer service_server_;
00072       ros::CallbackQueue self_test_queue_;
00073       ros::NodeHandle node_handle_;
00074       ros::NodeHandle private_node_handle_;
00075       std::string id_;
00076 
00077       bool verbose;
00078 
00079     public:
00080       using DiagnosticTaskVector::add;
00081 
00090       TestRunner(ros::NodeHandle h = ros::NodeHandle(), ros::NodeHandle ph = ros::NodeHandle("~")) : 
00091         node_handle_(h),
00092         private_node_handle_(ph)
00093     {
00094       ROS_DEBUG("Advertising self_test");
00095       ros::AdvertiseServiceOptions ops;//use options so that we can set callback queue directly
00096       ops.init<diagnostic_msgs::SelfTest::Request, diagnostic_msgs::SelfTest::Response>("self_test", boost::bind(&TestRunner::doTest, this, _1, _2));
00097       ops.callback_queue = &self_test_queue_;
00098       service_server_ = private_node_handle_.advertiseService(ops);
00099       verbose = true;
00100     }
00101 
00107       void checkTest()
00108       {
00109         self_test_queue_.callAvailable(ros::WallDuration(0));
00110       }
00111 
00121       void setID(std::string id)
00122       {
00123         id_ = id;
00124       }
00125 
00126     private:
00130       bool doTest(diagnostic_msgs::SelfTest::Request &req,
00131           diagnostic_msgs::SelfTest::Response &res)
00132       {
00133         bool retval = false;
00134         bool ignore_set_id_warn = false;
00135 
00136         if (node_handle_.ok())
00137         {
00138           const std::string unspecified_id("unspecified");
00139 
00140           ROS_INFO("Entering self-test.");
00141 
00142           std::vector<diagnostic_msgs::DiagnosticStatus> status_vec;
00143 
00144           const std::vector<DiagnosticTaskInternal> &tasks = getTasks();
00145           for (std::vector<DiagnosticTaskInternal>::const_iterator iter = tasks.begin();
00146               iter != tasks.end(); iter++)
00147           {
00148             if (ros::isShuttingDown())
00149             {
00150               ROS_ERROR("ROS has shut down. Exiting.");
00151               return false;
00152             }
00153             
00154             diagnostic_updater::DiagnosticStatusWrapper status;
00155 
00156             status.level = 2;
00157             status.message = "No message was set";
00158 
00159             try {
00160               ROS_INFO("Starting test: %s", iter->getName().c_str());
00161               iter->run(status);
00162 
00163             } catch (std::exception& e)
00164             {
00165               status.level = 2;
00166               status.message = std::string("Uncaught exception: ") + e.what();
00167               ignore_set_id_warn = true;
00168             }
00169 
00170             if (status.level >= 1)
00171               if (verbose)
00172                 ROS_WARN("Non-zero self-test test status. Name: '%s', status %i: '%s'", status.name.c_str(), status.level, status.message.c_str());
00173             
00174             status_vec.push_back(status);
00175           }
00176 
00177           if (!ignore_set_id_warn && id_.empty())
00178             ROS_WARN("setID was not called by any self-test. The node author should be notified. If there is no suitable ID for this node, an ID of 'none' should be used.");
00179 
00180           //One of the test calls should use setID
00181           res.id = id_;
00182 
00183           res.passed = true;
00184           for (std::vector<diagnostic_msgs::DiagnosticStatus>::iterator status_iter = status_vec.begin();
00185               status_iter != status_vec.end();
00186               status_iter++)
00187           {
00188             if (status_iter->level >= 2)
00189               res.passed = false;
00190           }
00191 
00192           if (res.passed && id_ == unspecified_id)
00193             ROS_WARN("Self-test passed, but setID was not called. This is a bug in the driver. Please report it.");
00194 
00195           res.status = status_vec;
00196 
00197           retval = true;
00198           
00199           ROS_INFO("Self-test complete.");
00200         }
00201 
00202         return retval;
00203 
00204       }
00205   };
00206 };
00207 
00208 #endif


self_test
Author(s): Kevin Watts, Brice Rebsamen , Jeremy Leibs and Blaise Gassend
autogenerated on Mon Aug 14 2017 02:52:33