本文整理汇总了C++中device_addr_t::to_string方法的典型用法代码示例。如果您正苦于以下问题：C++ device_addr_t::to_string方法的具体用法？C++ device_addr_t::to_string怎么用？C++ device_addr_t::to_string使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类device_addr_t的用法示例。
在下文中一共展示了device_addr_t::to_string方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: catch
/******************************************************************************
* Static Helpers
*****************************************************************************/
boost::optional<device_addr_t> mpmd_mboard_impl::is_device_reachable(
const device_addr_t& device_addr)
{
UHD_LOG_TRACE(
"MPMD", "Checking accessibility of device `" << device_addr.to_string() << "'");
UHD_ASSERT_THROW(device_addr.has_key(xport::MGMT_ADDR_KEY));
const std::string rpc_addr = device_addr.get(xport::MGMT_ADDR_KEY);
const size_t rpc_port =
device_addr.cast<size_t>(mpmd_impl::MPM_RPC_PORT_KEY, mpmd_impl::MPM_RPC_PORT);
auto rpcc = uhd::rpc_client::make(rpc_addr, rpc_port);
// 1) Read back device info
dev_info device_info_dict;
try {
device_info_dict =
rpcc->request<dev_info>(MPMD_SHORT_RPC_TIMEOUT, "get_device_info");
} catch (const uhd::runtime_error& e) {
UHD_LOG_ERROR("MPMD", e.what());
} catch (...) {
UHD_LOG_DEBUG("MPMD",
"Unexpected exception when trying to query device info. Flagging "
"device as unreachable.");
return boost::optional<device_addr_t>();
}
// 2) Check for local device
if (device_info_dict.count("connection")
and device_info_dict.at("connection") == "local") {
UHD_LOG_TRACE("MPMD", "Device is local, flagging as reachable.");
return boost::optional<device_addr_t>(device_addr);
}
// 3) Check for network-reachable device
// Note: This makes the assumption that devices will always allow RPC
// connections on their CHDR addresses.
const std::vector<std::string> addr_keys = {"second_addr", "addr"};
for (const auto& addr_key : addr_keys) {
if (not device_info_dict.count(addr_key)) {
continue;
}
const std::string chdr_addr = device_info_dict.at(addr_key);
UHD_LOG_TRACE("MPMD", "Checking reachability via network addr " << chdr_addr);
try {
// First do an MPM ping -- there is some issue with rpclib that can
// lead to indefinite timeouts
const std::string mpm_discovery_port =
device_addr.get(mpmd_impl::MPM_DISCOVERY_PORT_KEY,
std::to_string(mpmd_impl::MPM_DISCOVERY_PORT));
if (!is_pingable(chdr_addr, mpm_discovery_port)) {
UHD_LOG_TRACE("MPMD", "Cannot MPM ping, assuming device is unreachable.");
continue;
}
UHD_LOG_TRACE("MPMD", "Was able to ping device, trying RPC connection.");
auto chdr_rpcc = uhd::rpc_client::make(chdr_addr, rpc_port);
auto dev_info_chdr =
chdr_rpcc->request<dev_info>(MPMD_SHORT_RPC_TIMEOUT, "get_device_info");
if (dev_info_chdr["serial"] != device_info_dict["serial"]) {
UHD_LOG_DEBUG("MPMD",
boost::format("Connected to CHDR interface, but got wrong device. "
"Tried to reach serial %s, got %s")
% device_info_dict["serial"] % dev_info_chdr["serial"]);
return boost::optional<device_addr_t>();
} else {
UHD_LOG_TRACE("MPMD",
boost::format("Reachable device matches expected device (serial=%s)")
% device_info_dict["serial"]);
}
device_addr_t device_addr_copy = device_addr;
device_addr_copy["addr"] = chdr_addr;
return boost::optional<device_addr_t>(device_addr_copy);
} catch (...) {
UHD_LOG_DEBUG(
"MPMD", "Failed to reach device on network addr " << chdr_addr << ".");
}
}
// If everything fails, we probably can't talk to this chap.
UHD_LOG_TRACE(
"MPMD", "All reachability checks failed -- assuming device is not reachable.");
return boost::optional<device_addr_t>();
}