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module-rtp-sap: get source.ip from network interface if not supplied

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Dmitry Sharshakov 2023-06-17 09:49:39 +03:00 • committed by Wim Taymans
parent 6581d4ee2a
commit 0fc1112c6d
1 changed files with 16 additions and 1 deletions
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17
src/modules/module-rtp-sap.c
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@ -1472,8 +1472,23 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
impl->cleanup_interval = pw_properties_get_uint32(impl->props,
"sap.cleanup.sec", DEFAULT_CLEANUP_SEC);
if ((str = pw_properties_get(props, "source.ip")) == NULL)
if ((str = pw_properties_get(props, "source.ip")) == NULL) {
str = DEFAULT_SOURCE_IP;
if (impl->ifname) {
int fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd >= 0) {
struct ifreq req;
spa_zero(req);
req.ifr_addr.sa_family = AF_INET;
snprintf(req.ifr_name, sizeof(req.ifr_name), "%s", impl->ifname);
res = ioctl(fd, SIOCGIFADDR, &req);
if (res < 0)
pw_log_warn("SIOCGIFADDR %s failed: %m", impl->ifname);
str = inet_ntoa(((struct sockaddr_in *)&req.ifr_addr)->sin_addr);
close(fd);
}
}
}
if ((res = parse_address(str, port, &impl->src_addr, &impl->src_len)) < 0) {
pw_log_error("invalid source.ip %s: %s", str, spa_strerror(res));
goto out;