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#include <boost/asio.hpp>
#include <boost/asio/spawn.hpp>
#include <chrono>
#include <ctime>
#include <iostream>
#include <sdbusplus/asio/connection.hpp>
#include <sdbusplus/asio/object_server.hpp>
#include <sdbusplus/asio/sd_event.hpp>
#include <sdbusplus/bus.hpp>
#include <sdbusplus/server.hpp>
#include <sdbusplus/timer.hpp>
using variant = sdbusplus::message::variant<int, std::string>;
int foo(int test)
{
return ++test;
}
int methodWithMessage(sdbusplus::message::message& m, int test)
{
return ++test;
}
int voidBar(void)
{
return 42;
}
void do_start_async_method_call_one(
std::shared_ptr<sdbusplus::asio::connection> conn,
boost::asio::yield_context yield)
{
boost::system::error_code ec;
variant testValue;
conn->yield_method_call<>(yield[ec], "xyz.openbmc_project.asio-test",
"/xyz/openbmc_project/test",
"org.freedesktop.DBus.Properties", "Set",
"xyz.openbmc_project.test", "int", variant(24));
testValue = conn->yield_method_call<variant>(
yield[ec], "xyz.openbmc_project.asio-test", "/xyz/openbmc_project/test",
"org.freedesktop.DBus.Properties", "Get", "xyz.openbmc_project.test",
"int");
if (!ec && testValue.get<int>() == 24)
{
std::cout << "async call to Properties.Get serialized via yield OK!\n";
}
else
{
std::cout << "ec = " << ec << ": " << testValue.get<int>() << "\n";
}
conn->yield_method_call<void>(
yield[ec], "xyz.openbmc_project.asio-test", "/xyz/openbmc_project/test",
"org.freedesktop.DBus.Properties", "Set", "xyz.openbmc_project.test",
"int", variant(42));
testValue = conn->yield_method_call<variant>(
yield[ec], "xyz.openbmc_project.asio-test", "/xyz/openbmc_project/test",
"org.freedesktop.DBus.Properties", "Get", "xyz.openbmc_project.test",
"int");
if (!ec && testValue.get<int>() == 42)
{
std::cout << "async call to Properties.Get serialized via yield OK!\n";
}
else
{
std::cout << "ec = " << ec << ": " << testValue.get<int>() << "\n";
}
}
void do_start_async_method_call_two(
std::shared_ptr<sdbusplus::asio::connection> conn,
boost::asio::yield_context yield)
{
boost::system::error_code ec;
int32_t testCount;
std::string testValue;
std::tie(testCount, testValue) =
conn->yield_method_call<int32_t, std::string>(
yield[ec], "xyz.openbmc_project.asio-test",
"/xyz/openbmc_project/test", "xyz.openbmc_project.test",
"TestMethod", int32_t(42));
if (!ec && testCount == 42 && testValue == "success: 42")
{
std::cout << "async call to TestMethod serialized via yield OK!\n";
}
else
{
std::cout << "ec = " << ec << ": " << testValue << "\n";
}
}
int main()
{
using GetSubTreeType = std::vector<std::pair<
std::string,
std::vector<std::pair<std::string, std::vector<std::string>>>>>;
using message = sdbusplus::message::message;
// setup connection to dbus
boost::asio::io_service io;
auto conn = std::make_shared<sdbusplus::asio::connection>(io);
// test async method call and async send
auto mesg =
conn->new_method_call("xyz.openbmc_project.ObjectMapper",
"/xyz/openbmc_project/object_mapper",
"xyz.openbmc_project.ObjectMapper", "GetSubTree");
static const auto depth = 2;
static const std::vector<std::string> interfaces = {
"xyz.openbmc_project.Sensor.Value"};
mesg.append("/xyz/openbmc_project/Sensors", depth, interfaces);
conn->async_send(mesg, [](boost::system::error_code ec, message& ret) {
std::cout << "async_send callback\n";
if (ec || ret.is_method_error())
{
std::cerr << "error with async_send\n";
return;
}
GetSubTreeType data;
ret.read(data);
for (auto& item : data)
{
std::cout << item.first << "\n";
}
});
conn->async_method_call(
[](boost::system::error_code ec, GetSubTreeType& subtree) {
std::cout << "async_method_call callback\n";
if (ec)
{
std::cerr << "error with async_method_call\n";
return;
}
for (auto& item : subtree)
{
std::cout << item.first << "\n";
}
},
"xyz.openbmc_project.ObjectMapper",
"/xyz/openbmc_project/object_mapper",
"xyz.openbmc_project.ObjectMapper", "GetSubTree",
"/org/openbmc/control", 2, std::vector<std::string>());
// test object server
conn->request_name("xyz.openbmc_project.asio-test");
auto server = sdbusplus::asio::object_server(conn);
std::shared_ptr<sdbusplus::asio::dbus_interface> iface =
server.add_interface("/xyz/openbmc_project/test",
"xyz.openbmc_project.test");
// test generic properties
iface->register_property("int", 33,
sdbusplus::asio::PropertyPermission::readWrite);
std::vector<std::string> myStringVec = {"some", "test", "data"};
std::vector<std::string> myStringVec2 = {"more", "test", "data"};
iface->register_property("myStringVec", myStringVec,
sdbusplus::asio::PropertyPermission::readWrite);
iface->register_property("myStringVec2", myStringVec2);
// test properties with specialized callbacks
iface->register_property("lessThan50", 23,
// custom set
[](const int& req, int& propertyValue) {
if (req >= 50)
{
return -EINVAL;
}
propertyValue = req;
return 1; // success
});
iface->register_property(
"TrailTime", std::string("foo"),
// custom set
[](const std::string& req, std::string& propertyValue) {
propertyValue = req;
return 1; // success
},
// custom get
[](const std::string& property) {
auto now = std::chrono::system_clock::now();
auto timePoint = std::chrono::system_clock::to_time_t(now);
return property + std::ctime(&timePoint);
});
// test method creation
iface->register_method("TestMethod", [](const int32_t& callCount) {
return std::make_tuple(callCount,
"success: " + std::to_string(callCount));
});
iface->register_method("TestFunction", foo);
iface->register_method("TestMethodWithMessage", methodWithMessage);
iface->register_method("VoidFunctionReturnsInt", voidBar);
iface->initialize();
iface->set_property("int", 45);
// sd_events work too using the default event loop
phosphor::Timer t1([]() { std::cerr << "*** tock ***\n"; });
t1.start(std::chrono::microseconds(1000000));
phosphor::Timer t2([]() { std::cerr << "*** tick ***\n"; });
t2.start(std::chrono::microseconds(500000), true);
// add the sd_event wrapper to the io object
sdbusplus::asio::sd_event_wrapper sdEvents(io);
// set up a client to make an async call to the server
// using coroutines (userspace cooperative multitasking)
boost::asio::spawn(io, [conn](boost::asio::yield_context yield) {
do_start_async_method_call_one(conn, yield);
});
boost::asio::spawn(io, [conn](boost::asio::yield_context yield) {
do_start_async_method_call_two(conn, yield);
});
io.run();
return 0;
}
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