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#include "netio.h"
#include "common/netif.h"
#include "common/mallocHelper.h"
#include "common/windows/unicode.h"
#include <ws2tcpip.h>
#include <iphlpapi.h>
const char* ffNetIOGetIoCounters(FFlist* result, FFNetIOOptions* options) {
IP_ADAPTER_ADDRESSES* FF_AUTO_FREE adapter_addresses = NULL;
// Multiple attempts in case interfaces change while
// we are in the middle of querying them.
DWORD adapter_addresses_buffer_size = 0;
for (int attempts = 0;; ++attempts) {
if (adapter_addresses_buffer_size) {
adapter_addresses = (IP_ADAPTER_ADDRESSES*) realloc(adapter_addresses, adapter_addresses_buffer_size);
assert(adapter_addresses);
}
DWORD error = GetAdaptersAddresses(
AF_UNSPEC,
GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER,
NULL,
adapter_addresses,
&adapter_addresses_buffer_size);
if (error == ERROR_SUCCESS) {
break;
} else if (ERROR_BUFFER_OVERFLOW == error && attempts < 4) {
continue;
} else {
return "GetAdaptersAddresses() failed";
}
}
uint32_t defaultRouteIfIndex = ffNetifGetDefaultRouteV4()->ifIndex;
// Iterate through all of the adapters
for (IP_ADAPTER_ADDRESSES* adapter = adapter_addresses; adapter; adapter = adapter->Next) {
bool isDefaultRoute = adapter->IfIndex == defaultRouteIfIndex;
if (options->defaultRouteOnly && !isDefaultRoute) {
continue;
}
FF_STRBUF_AUTO_DESTROY name = ffStrbufCreateWS(adapter->FriendlyName);
if (options->namePrefix.length && !ffStrbufStartsWith(&name, &options->namePrefix)) {
continue;
}
MIB_IF_ROW2 ifRow = { .InterfaceIndex = adapter->IfIndex };
if (GetIfEntry2(&ifRow) == NO_ERROR) {
FFNetIOResult* counters = FF_LIST_ADD(FFNetIOResult, *result);
*counters = (FFNetIOResult) {
.name = ffStrbufCreateMove(&name),
.txBytes = ifRow.OutOctets,
.rxBytes = ifRow.InOctets,
.txPackets = (ifRow.OutUcastPkts + ifRow.OutNUcastPkts),
.rxPackets = (ifRow.InUcastPkts + ifRow.InNUcastPkts),
.rxErrors = ifRow.InErrors,
.txErrors = ifRow.OutErrors,
.rxDrops = ifRow.InDiscards,
.txDrops = ifRow.OutDiscards,
.defaultRoute = isDefaultRoute,
};
}
}
return NULL;
}
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