Refine the local ip and interface retrieve

pull/1754/head
winlin 5 years ago
parent 26bcc09017
commit 215b1c234b

@ -3682,13 +3682,15 @@ srs_error_t SrsConfig::check_normal_config()
return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "invalid stats.network=%d", get_stats_network()); return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "invalid stats.network=%d", get_stats_network());
} }
if (true) { if (true) {
vector<std::string> ips = srs_get_local_ips(); vector<SrsIPAddress*> ips = srs_get_local_ips();
int index = get_stats_network(); int index = get_stats_network();
if (index >= (int)ips.size()) { if (index >= (int)ips.size()) {
return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "invalid stats.network=%d of %d", return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "invalid stats.network=%d of %d",
index, (int)ips.size()); index, (int)ips.size());
} }
srs_warn("stats network use index=%d, ip=%s", index, ips.at(index).c_str());
SrsIPAddress* addr = ips.at(index);
srs_warn("stats network use index=%d, ip=%s, ifname=%s", index, addr->ip.c_str(), addr->ifname.c_str());
} }
if (true) { if (true) {
SrsConfDirective* conf = get_stats_disk_device(); SrsConfDirective* conf = get_stats_disk_device();

@ -621,9 +621,10 @@ static std::string get_host_candidate_ips(SrsConfDirective* c)
{ {
string candidate = _srs_config->get_stream_caster_gb28181_host(c); string candidate = _srs_config->get_stream_caster_gb28181_host(c);
if (candidate == "*" || candidate == "0.0.0.0") { if (candidate == "*" || candidate == "0.0.0.0") {
std::vector<std::string> ips = srs_get_local_ips(); std::vector<SrsIPAddress*>& ips = srs_get_local_ips();
int index = _srs_config->get_stats_network(); int index = _srs_config->get_stats_network();
return ips.at(index); SrsIPAddress* ip = ips.at(index);
return ip->ip;
} else { } else {
return candidate; return candidate;
} }

@ -65,10 +65,10 @@ srs_error_t SrsHttpHeartbeat::do_heartbeat()
return srs_error_wrap(err, "http uri parse hartbeart url failed. url=%s", url.c_str()); return srs_error_wrap(err, "http uri parse hartbeart url failed. url=%s", url.c_str());
} }
std::string ip = ""; SrsIPAddress* ip = NULL;
std::string device_id = _srs_config->get_heartbeat_device_id(); std::string device_id = _srs_config->get_heartbeat_device_id();
vector<string>& ips = srs_get_local_ips(); vector<SrsIPAddress*>& ips = srs_get_local_ips();
if (!ips.empty()) { if (!ips.empty()) {
ip = ips[_srs_config->get_stats_network() % (int)ips.size()]; ip = ips[_srs_config->get_stats_network() % (int)ips.size()];
} }
@ -77,7 +77,7 @@ srs_error_t SrsHttpHeartbeat::do_heartbeat()
SrsAutoFree(SrsJsonObject, obj); SrsAutoFree(SrsJsonObject, obj);
obj->set("device_id", SrsJsonAny::str(device_id.c_str())); obj->set("device_id", SrsJsonAny::str(device_id.c_str()));
obj->set("ip", SrsJsonAny::str(ip.c_str())); obj->set("ip", SrsJsonAny::str(ip->ip.c_str()));
if (_srs_config->get_heartbeat_summaries()) { if (_srs_config->get_heartbeat_summaries()) {
SrsJsonObject* summaries = SrsJsonAny::object(); SrsJsonObject* summaries = SrsJsonAny::object();

@ -111,15 +111,20 @@ static std::vector<std::string> get_candidate_ips()
std::vector<std::string> candidate_ips; std::vector<std::string> candidate_ips;
string candidate = _srs_config->get_rtc_server_candidates(); string candidate = _srs_config->get_rtc_server_candidates();
if (candidate == "*" || candidate == "0.0.0.0") { if (candidate != "*" && candidate != "0.0.0.0") {
std::vector<std::string> tmp = srs_get_local_ips();
for (int i = 0; i < (int)tmp.size(); ++i) {
if (tmp[i] != "127.0.0.1") {
candidate_ips.push_back(tmp[i]);
}
}
} else {
candidate_ips.push_back(candidate); candidate_ips.push_back(candidate);
return candidate_ips;
}
// For * or 0.0.0.0, auto discovery expose ip addresses.
std::vector<SrsIPAddress*>& ips = srs_get_local_ips();
for (int i = 0; i < (int)ips.size(); ++i) {
SrsIPAddress* ip = ips[i];
if (!ip->is_loopback) {
continue;
}
candidate_ips.push_back(ip->ip);
} }
return candidate_ips; return candidate_ips;

@ -81,13 +81,13 @@ SrsSimpleRtmpClient::~SrsSimpleRtmpClient()
srs_error_t SrsSimpleRtmpClient::connect_app() srs_error_t SrsSimpleRtmpClient::connect_app()
{ {
std::vector<std::string> ips = srs_get_local_ips(); std::vector<SrsIPAddress*>& ips = srs_get_local_ips();
assert(_srs_config->get_stats_network() < (int)ips.size()); assert(_srs_config->get_stats_network() < (int)ips.size());
std::string local_ip = ips[_srs_config->get_stats_network()]; SrsIPAddress* local_ip = ips[_srs_config->get_stats_network()];
bool debug_srs_upnode = _srs_config->get_debug_srs_upnode(req->vhost); bool debug_srs_upnode = _srs_config->get_debug_srs_upnode(req->vhost);
return do_connect_app(local_ip, debug_srs_upnode); return do_connect_app(local_ip->ip, debug_srs_upnode);
} }
SrsClientInfo::SrsClientInfo() SrsClientInfo::SrsClientInfo()

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

@ -51,7 +51,20 @@ extern bool srs_string_is_rtmp(std::string url);
extern bool srs_is_digit_number(std::string str); extern bool srs_is_digit_number(std::string str);
// Get local ip, fill to @param ips // Get local ip, fill to @param ips
extern std::vector<std::string>& srs_get_local_ips(); struct SrsIPAddress
{
// The network interface name, such as eth0, en0, eth1.
std::string ifname;
// The IP v4 or v6 address.
std::string ip;
// Whether the ip is IPv4 address.
bool is_ipv4;
// Whether the ip is internet public IP address.
bool is_internet;
// Whether the ip is loopback, such as 127.0.0.1
bool is_loopback;
};
extern std::vector<SrsIPAddress*>& srs_get_local_ips();
// Get local public ip, empty string if no public internet address found. // Get local public ip, empty string if no public internet address found.
extern std::string srs_get_public_internet_address(); extern std::string srs_get_public_internet_address();

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