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@ -144,9 +144,9 @@ bool srs_net_device_is_internet(const sockaddr* addr)
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return true;
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}
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vector<string> _srs_system_ips;
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vector<SrsIPAddress*> _srs_system_ips;
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void discover_network_iface(ifaddrs* cur, vector<string>& ips, stringstream& ss0, stringstream& ss1, bool ipv6)
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void discover_network_iface(ifaddrs* cur, vector<SrsIPAddress*>& ips, stringstream& ss0, stringstream& ss1, bool ipv6, bool loopback)
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{
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char saddr[64];
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char* h = (char*)saddr;
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@ -160,10 +160,17 @@ void discover_network_iface(ifaddrs* cur, vector<string>& ips, stringstream& ss0
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std::string ip(saddr, strlen(saddr));
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ss0 << ", iface[" << (int)ips.size() << "] " << cur->ifa_name << " " << (ipv6? "ipv6":"ipv4")
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<< " 0x" << std::hex << cur->ifa_flags << std::dec << " " << ip;
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ips.push_back(ip);
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SrsIPAddress* ip_address = new SrsIPAddress();
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ip_address->ip = ip;
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ip_address->is_ipv4 = !ipv6;
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ip_address->is_loopback = loopback;
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ip_address->ifname = cur->ifa_name;
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ip_address->is_internet = srs_net_device_is_internet(cur->ifa_addr);
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ips.push_back(ip_address);
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// set the device internet status.
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if (!srs_net_device_is_internet(cur->ifa_addr)) {
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if (!ip_address->is_internet) {
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ss1 << ", intranet ";
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_srs_device_ifs[cur->ifa_name] = false;
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} else {
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@ -175,10 +182,16 @@ void discover_network_iface(ifaddrs* cur, vector<string>& ips, stringstream& ss0
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void retrieve_local_ips()
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{
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vector<string>& ips = _srs_system_ips;
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vector<SrsIPAddress*>& ips = _srs_system_ips;
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// Release previous IPs.
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for (int i = 0; i < (int)ips.size(); i++) {
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SrsIPAddress* ip = ips[i];
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srs_freep(ip);
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}
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ips.clear();
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// Get the addresses.
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ifaddrs* ifap;
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if (getifaddrs(&ifap) == -1) {
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srs_warn("retrieve local ips, getifaddrs failed.");
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@ -207,8 +220,9 @@ void retrieve_local_ips()
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bool ready = (cur->ifa_flags & IFF_UP) && (cur->ifa_flags & IFF_RUNNING);
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// Ignore IFF_PROMISC(Interface is in promiscuous mode), which may be set by Wireshark.
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bool ignored = (!cur->ifa_addr) || (cur->ifa_flags & IFF_LOOPBACK) || (cur->ifa_flags & IFF_POINTOPOINT);
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bool loopback = (cur->ifa_flags & IFF_LOOPBACK);
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if (ipv4 && ready && !ignored) {
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discover_network_iface(cur, ips, ss0, ss1, false);
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discover_network_iface(cur, ips, ss0, ss1, false, loopback);
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}
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}
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@ -227,8 +241,9 @@ void retrieve_local_ips()
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bool ipv6 = (cur->ifa_addr->sa_family == AF_INET6);
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bool ready = (cur->ifa_flags & IFF_UP) && (cur->ifa_flags & IFF_RUNNING);
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bool ignored = (!cur->ifa_addr) || (cur->ifa_flags & IFF_POINTOPOINT) || (cur->ifa_flags & IFF_PROMISC) || (cur->ifa_flags & IFF_LOOPBACK);
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bool loopback = (cur->ifa_flags & IFF_LOOPBACK);
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if (ipv6 && ready && !ignored) {
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discover_network_iface(cur, ips, ss0, ss1, true);
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discover_network_iface(cur, ips, ss0, ss1, true, loopback);
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}
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}
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@ -248,8 +263,9 @@ void retrieve_local_ips()
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bool ipv4 = (cur->ifa_addr->sa_family == AF_INET);
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bool ready = (cur->ifa_flags & IFF_UP) && (cur->ifa_flags & IFF_RUNNING);
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bool ignored = (!cur->ifa_addr) || (cur->ifa_flags & IFF_POINTOPOINT) || (cur->ifa_flags & IFF_PROMISC);
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bool loopback = (cur->ifa_flags & IFF_LOOPBACK);
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if (ipv4 && ready && !ignored) {
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discover_network_iface(cur, ips, ss0, ss1, false);
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discover_network_iface(cur, ips, ss0, ss1, false, loopback);
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}
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}
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}
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@ -260,7 +276,7 @@ void retrieve_local_ips()
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freeifaddrs(ifap);
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}
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vector<string>& srs_get_local_ips()
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vector<SrsIPAddress*>& srs_get_local_ips()
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{
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if (_srs_system_ips.empty()) {
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retrieve_local_ips();
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@ -277,72 +293,39 @@ string srs_get_public_internet_address()
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return _public_internet_address;
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}
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std::vector<std::string>& ips = srs_get_local_ips();
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std::vector<SrsIPAddress*>& ips = srs_get_local_ips();
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// find the best match public address.
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for (int i = 0; i < (int)ips.size(); i++) {
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std::string ip = ips[i];
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// TODO: FIXME: Support ipv6.
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if (ip.find(".") == string::npos) {
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continue;
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}
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in_addr_t addr = inet_addr(ip.c_str());
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uint32_t addr_h = ntohl(addr);
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// lo, 127.0.0.0-127.0.0.1
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if (addr_h >= 0x7f000000 && addr_h <= 0x7f000001) {
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srs_trace("ignore private address: %s", ip.c_str());
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SrsIPAddress* ip = ips[i];
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if (!ip->is_internet) {
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continue;
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}
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// Class A 10.0.0.0-10.255.255.255
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if (addr_h >= 0x0a000000 && addr_h <= 0x0affffff) {
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srs_trace("ignore private address: %s", ip.c_str());
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continue;
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}
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// Class B 172.16.0.0-172.31.255.255
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if (addr_h >= 0xac100000 && addr_h <= 0xac1fffff) {
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srs_trace("ignore private address: %s", ip.c_str());
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continue;
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}
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// Class C 192.168.0.0-192.168.255.255
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if (addr_h >= 0xc0a80000 && addr_h <= 0xc0a8ffff) {
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srs_trace("ignore private address: %s", ip.c_str());
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continue;
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}
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srs_warn("use public address as ip: %s", ip.c_str());
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_public_internet_address = ip;
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return ip;
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srs_warn("use public address as ip: %s, ifname=%s", ip->ip.c_str(), ip->ifname.c_str());
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_public_internet_address = ip->ip;
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return ip->ip;
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}
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// no public address, use private address.
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for (int i = 0; i < (int)ips.size(); i++) {
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std::string ip = ips[i];
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// TODO: FIXME: Support ipv6.
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if (ip.find(".") == string::npos) {
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SrsIPAddress* ip = ips[i];
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if (ip->is_loopback) {
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continue;
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}
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in_addr_t addr = inet_addr(ip.c_str());
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uint32_t addr_h = ntohl(addr);
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// lo, 127.0.0.0-127.0.0.1
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if (addr_h >= 0x7f000000 && addr_h <= 0x7f000001) {
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srs_trace("ignore private address: %s", ip.c_str());
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continue;
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}
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srs_warn("use private address as ip: %s", ip.c_str());
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_public_internet_address = ip;
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return ip;
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srs_warn("use private address as ip: %s, ifname=%s", ip->ip.c_str(), ip->ifname.c_str());
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_public_internet_address = ip->ip;
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return ip->ip;
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}
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// Finally, use first whatever kind of address.
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if (!ips.empty() && _public_internet_address.empty()) {
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string ip = ips.at(0);
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srs_warn("use first address as ip: %s", ip.c_str());
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_public_internet_address = ip;
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return ip;
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SrsIPAddress* ip = ips[0];
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srs_warn("use first address as ip: %s, ifname=%s", ip->ip.c_str(), ip->ifname.c_str());
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_public_internet_address = ip->ip;
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return ip->ip;
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}
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return "";
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