Index: chrome/browser/media/router/discovery/discovery_network_list_posix.cc |
diff --git a/chrome/browser/media/router/discovery/discovery_network_list_posix.cc b/chrome/browser/media/router/discovery/discovery_network_list_posix.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..9481a4e7323a4e4acb77dda18188f6003fbc17cd |
--- /dev/null |
+++ b/chrome/browser/media/router/discovery/discovery_network_list_posix.cc |
@@ -0,0 +1,69 @@ |
+// Copyright (c) 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "chrome/browser/media/router/discovery/discovery_network_list.h" |
+ |
+#include <ifaddrs.h> |
+#include <net/if.h> |
+#include <net/if_arp.h> |
+#include <netinet/in.h> |
+#include <netpacket/packet.h> |
+#include <string.h> |
+#include <sys/ioctl.h> |
+#include <sys/socket.h> |
+#include <sys/types.h> |
+ |
+#include "base/logging.h" |
+#include "base/strings/string_number_conversions.h" |
+#include "base/strings/string_util.h" |
+#include "chrome/browser/media/router/discovery/discovery_network_list_wifi.h" |
+#include "net/base/net_errors.h" |
+ |
+namespace { |
+ |
+void GetDiscoveryNetworkIdListImpl( |
+ const struct ifaddrs* if_list, |
+ std::vector<DiscoveryNetworkId>* network_ids) { |
+ std::string ssid; |
+ for (; if_list != NULL; if_list = if_list->ifa_next) { |
+ const struct sockaddr* addr = if_list->ifa_addr; |
+ std::string name(if_list->ifa_name); |
+ if (name.size() == 0 || addr->sa_family != AF_PACKET) { |
+ continue; |
+ } |
+ |
+ if (addr->sa_family != ARPHRD_ETHER && |
mark a. foltz
2017/04/18 20:37:00
Won't this always be AF_PACKET per line 32?
From
btolsch
2017/04/20 04:03:49
Yes, I messed up the field; it should be sll_hatyp
|
+ MaybeGetWifiSSID(name.data(), &ssid)) { |
+ network_ids->push_back({name, ssid}); |
mark a. foltz
2017/04/18 20:37:00
Is MaybeGetWifiSSID guaranteed to return a result?
btolsch
2017/04/20 04:03:50
Yes, if it returns true then ssid will be non-empt
|
+ continue; |
+ } |
+ |
+ const struct sockaddr_ll* ll_addr = |
+ reinterpret_cast<const struct sockaddr_ll*>(addr); |
mark a. foltz
2017/04/18 20:37:00
Can you add a comment about why |addr| is guarante
btolsch
2017/04/20 04:03:49
Done.
|
+ if (ll_addr->sll_halen == 0) { |
+ continue; |
+ } |
+ |
+ network_ids->push_back({name, base::ToLowerASCII(base::HexEncode( |
+ ll_addr->sll_addr, ll_addr->sll_halen))}); |
+ } |
+} |
+ |
+} // namespace |
+ |
+std::vector<DiscoveryNetworkId> GetDiscoveryNetworkIdList() { |
+ std::vector<DiscoveryNetworkId> network_ids; |
+ |
+ struct ifaddrs* if_list; |
+ if (getifaddrs(&if_list)) { |
+ DVLOG(2) << "getifaddrs() error: " << net::ErrorToString(errno); |
+ return network_ids; |
+ } |
+ |
+ GetDiscoveryNetworkIdListImpl(if_list, &network_ids); |
+ |
mark a. foltz
2017/04/18 20:37:00
Extra newline
btolsch
2017/04/20 04:03:49
Done.
|
+ freeifaddrs(if_list); |
+ |
mark a. foltz
2017/04/18 20:37:00
Ditto
btolsch
2017/04/20 04:03:50
Done.
|
+ return network_ids; |
+} |