QueryData genInterfaceDetails(QueryContext& context) {
QueryData results;
WmiRequest request("SELECT * FROM Win32_NetworkAdapter");
if (request.getStatus().ok()) {
auto& wmi_results = request.results();
for (const auto& adapter : wmi_results) {
genInterfaceDetail(adapter, results);
}
}
return results;
}
QueryData genInterfaceDetails(QueryContext& context) {
QueryData results;
DWORD buffSize = kWorkingBufferSize;
auto alloc_attempts = 0;
size_t alloc_result = 0;
const auto addrFamily = AF_UNSPEC;
const auto addrFlags =
GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST;
std::unique_ptr<IP_ADAPTER_ADDRESSES> adapters(nullptr);
// Buffer size can change between the query and malloc (if adapters are
// added/removed), so shenanigans are required
do {
adapters.reset(static_cast<PIP_ADAPTER_ADDRESSES>(malloc(buffSize)));
if (adapters == nullptr) {
return results;
}
alloc_result = GetAdaptersAddresses(
addrFamily, addrFlags, nullptr, adapters.get(), &buffSize);
alloc_attempts++;
} while (alloc_result == ERROR_BUFFER_OVERFLOW &&
alloc_attempts < kMaxBufferAllocRetries);
if (alloc_result != NO_ERROR) {
return results;
}
const IP_ADAPTER_ADDRESSES* currAdapter = adapters.get();
while (currAdapter != nullptr) {
Row r;
genInterfaceDetail(currAdapter, r);
currAdapter = currAdapter->Next;
results.push_back(r);
}
return results;
}