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-rw-r--r--Swiften/Network/WindowsNetworkEnvironment.cpp40
1 files changed, 12 insertions, 28 deletions
diff --git a/Swiften/Network/WindowsNetworkEnvironment.cpp b/Swiften/Network/WindowsNetworkEnvironment.cpp
index 5df04a7..a202015 100644
--- a/Swiften/Network/WindowsNetworkEnvironment.cpp
+++ b/Swiften/Network/WindowsNetworkEnvironment.cpp
@@ -12,6 +12,8 @@
#include <boost/optional.hpp>
#include <Swiften/Network/HostAddress.h>
#include <Swiften/Network/NetworkInterface.h>
+#include <Swiften/Base/foreach.h>
+#include <Swiften/Base/ByteArray.h>
#include <winsock2.h>
#include <iphlpapi.h>
@@ -20,39 +22,25 @@ namespace Swift {
std::vector<NetworkInterface> WindowsNetworkEnvironment::getNetworkInterfaces() const {
std::vector<NetworkInterface> result;
- std::map<std::string,NetworkInterface> interfaces;
-
- IP_ADAPTER_ADDRESSES preBuffer[5];
- PIP_ADAPTER_ADDRESSES adapterStart = preBuffer;
-
- ULONG bufferSize = sizeof(preBuffer);
- ULONG flags = GAA_FLAG_INCLUDE_ALL_INTERFACES | GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER;
-
- ULONG ret = GetAdaptersAddresses( AF_UNSPEC, flags, NULL, adapterStart, &bufferSize);
- if (ret == ERROR_BUFFER_OVERFLOW) {
- adapterStart = new IP_ADAPTER_ADDRESSES[bufferSize / sizeof(IP_ADAPTER_ADDRESSES)];
- if (!adapterStart) {
- return result;
- }
- ret = GetAdaptersAddresses(AF_UNSPEC, flags, NULL, adapterStart, &bufferSize);
- }
+ std::vector<IP_ADAPTER_ADDRESSES> adapters;
+ ULONG bufferSize = 0;
+ ULONG ret;
+ ULONG flags = GAA_FLAG_INCLUDE_ALL_INTERFACES | GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER;
+ while ((ret = GetAdaptersAddresses(AF_UNSPEC, flags, NULL, vecptr(adapters), &bufferSize)) == ERROR_BUFFER_OVERFLOW) {
+ adapters.resize(bufferSize / sizeof(IP_ADAPTER_ADDRESSES));
+ };
if (ret != ERROR_SUCCESS) {
- if (adapterStart != preBuffer) {
- delete adapterStart;
- }
return result;
}
- for (PIP_ADAPTER_ADDRESSES adapter = adapterStart; adapter; adapter = adapter->Next) {
+ std::map<std::string,NetworkInterface> interfaces;
+ for (IP_ADAPTER_ADDRESSES* adapter = vecptr(adapters); adapter; adapter = adapter->Next) {
std::string name(adapter->AdapterName);
-
if (adapter->OperStatus != IfOperStatusUp) {
continue;
}
-
- // iterate over addresses
- for (PIP_ADAPTER_UNICAST_ADDRESS address = adapter->FirstUnicastAddress; address; address = address->Next) {
+ for (IP_ADAPTER_UNICAST_ADDRESS* address = adapter->FirstUnicastAddress; address; address = address->Next) {
boost::optional<HostAddress> hostAddress;
if (address->Address.lpSockaddr->sa_family == PF_INET) {
sockaddr_in* sa = reinterpret_cast<sockaddr_in*>(address->Address.lpSockaddr);
@@ -69,10 +57,6 @@ std::vector<NetworkInterface> WindowsNetworkEnvironment::getNetworkInterfaces()
}
}
- if (adapterStart != preBuffer) {
- //delete adapterStart;
- }
-
for (std::map<std::string,NetworkInterface>::const_iterator i = interfaces.begin(); i != interfaces.end(); ++i) {
result.push_back(i->second);
}