test_posix.cpp

00001 /*
00002  * Copyright (C) 2015 Pavel Kirienko <pavel.kirienko@gmail.com>
00003  */
00004 
00005 #include <uavcan_posix/dynamic_node_id_server/file_event_tracer.hpp>
00006 #include <uavcan_posix/dynamic_node_id_server/file_storage_backend.hpp>
00007 #include <uavcan_linux/uavcan_linux.hpp>
00008 #include <iostream>
00009 #include <iomanip>
00010 #include "debug.hpp"
00011 
00012 int main(int argc, const char** argv)
00013 {
00014     (void)argc;
00015     (void)argv;
00016     try
00017     {
00018         ENFORCE(0 == std::system("mkdir -p /tmp/uavcan_posix/dynamic_node_id_server"));
00019 
00020         /*
00021          * Event tracer test
00022          */
00023         {
00024             using namespace uavcan::dynamic_node_id_server;
00025 
00026             const std::string event_log_file("/tmp/uavcan_posix/dynamic_node_id_server/event.log");
00027 
00028             uavcan_posix::dynamic_node_id_server::FileEventTracer tracer;
00029             ENFORCE(0 <= tracer.init(event_log_file.c_str()));
00030 
00031             // Adding a line
00032             static_cast<IEventTracer&>(tracer).onEvent(TraceError, 123456);
00033             ENFORCE(0 == std::system(("cat " + event_log_file).c_str()));
00034 
00035             // Removing the log file
00036             ENFORCE(0 == std::system(("rm -f " + event_log_file).c_str()));
00037 
00038             // Adding another line
00039             static_cast<IEventTracer&>(tracer).onEvent(TraceError, 789123);
00040             ENFORCE(0 == std::system(("cat " + event_log_file).c_str()));
00041         }
00042 
00043         /*
00044          * Storage backend test
00045          */
00046         {
00047             using namespace uavcan::dynamic_node_id_server;
00048 
00049             uavcan_posix::dynamic_node_id_server::FileStorageBackend backend;
00050             ENFORCE(0 <= backend.init("/tmp/uavcan_posix/dynamic_node_id_server/storage"));
00051 
00052             auto print_key = [&](const char* key) {
00053                 std::cout << static_cast<IStorageBackend&>(backend).get(key).c_str() << std::endl;
00054             };
00055 
00056             print_key("foobar");
00057 
00058             static_cast<IStorageBackend&>(backend).set("foobar", "0123456789abcdef0123456789abcdef");
00059             static_cast<IStorageBackend&>(backend).set("the_answer", "42");
00060 
00061             print_key("foobar");
00062             print_key("the_answer");
00063             print_key("nonexistent");
00064         }
00065 
00066         return 0;
00067     }
00068     catch (const std::exception& ex)
00069     {
00070         std::cerr << "Exception: " << ex.what() << std::endl;
00071         return 1;
00072     }
00073 }