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Use IFA_LOCAL instead of IFA_ADDRESS over IPv4 network on ANDROID

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IFA_ADDRESS gives DESTINATION address in case of point-to-point
connection, which is not able to create ports for candidate gathering.
Use IFA_LOCAL to avoid this problem.

Bug: webrtc:9189
Change-Id: Ifcb1955b1b4011dc69c93d99b4e223b370dc16eb
Reviewed-on: https://webrtc-review.googlesource.com/69620
Commit-Queue: Tommi <tommi@webrtc.org>
Reviewed-by: Tommi <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23055}
This commit is contained in:
Yongje Lee 2018-04-27 09:47:07 +09:00 committed by Commit Bot
parent ad3971f40f
commit ebd9abc1a2
2 changed files with 18 additions and 17 deletions
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1
AUTHORS
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@ -68,6 +68,7 @@ ARM Holdings <*@arm.com>
BroadSoft Inc. <*@broadsoft.com>
Facebook Inc. <*@fb.com>
Google Inc. <*@google.com>
HyperConnect Inc. <*@hpcnt.com>
Life On Air Inc. <*@lifeonair.com>
Intel Corporation <*@intel.com>
MIPS Technologies <*@mips.com>

34
rtc_base/ifaddrs-android.cc
View file

@ -174,24 +174,24 @@ int getifaddrs(struct ifaddrs** result) {
rtattr* rta = IFA_RTA(address_msg);
ssize_t payload_len = IFA_PAYLOAD(header);
while (RTA_OK(rta, payload_len)) {
if (rta->rta_type == IFA_ADDRESS) {
int family = address_msg->ifa_family;
if (family == AF_INET || family == AF_INET6) {
ifaddrs* newest = new ifaddrs;
memset(newest, 0, sizeof(ifaddrs));
if (current) {
current->ifa_next = newest;
} else {
start = newest;
}
if (populate_ifaddrs(newest, address_msg, RTA_DATA(rta),
RTA_PAYLOAD(rta)) != 0) {
freeifaddrs(start);
*result = nullptr;
return -1;
}
current = newest;
if ((address_msg->ifa_family == AF_INET &&
rta->rta_type == IFA_LOCAL) ||
(address_msg->ifa_family == AF_INET6 &&
rta->rta_type == IFA_ADDRESS)) {
ifaddrs* newest = new ifaddrs;
memset(newest, 0, sizeof(ifaddrs));
if (current) {
current->ifa_next = newest;
} else {
start = newest;
}
if (populate_ifaddrs(newest, address_msg, RTA_DATA(rta),
RTA_PAYLOAD(rta)) != 0) {
freeifaddrs(start);
*result = nullptr;
return -1;
}
current = newest;
}
rta = RTA_NEXT(rta, payload_len);
}