Codechange: [Network] Use std::string for NetworkAddress' host name

This commit is contained in:
rubidium42
2021-05-04 19:31:12 +02:00
committed by rubidium42
parent dcef3209a6
commit 6c4a65eeb8
3 changed files with 26 additions and 27 deletions

View File

@@ -23,11 +23,13 @@ static const int DEFAULT_CONNECT_TIMEOUT_SECONDS = 3; ///< Allow connect() three
*/
const char *NetworkAddress::GetHostname()
{
if (StrEmpty(this->hostname) && this->address.ss_family != AF_UNSPEC) {
if (this->hostname.empty() && this->address.ss_family != AF_UNSPEC) {
assert(this->address_length != 0);
getnameinfo((struct sockaddr *)&this->address, this->address_length, this->hostname, sizeof(this->hostname), nullptr, 0, NI_NUMERICHOST);
char buffer[NETWORK_HOSTNAME_LENGTH];
getnameinfo((struct sockaddr *)&this->address, this->address_length, buffer, sizeof(buffer), nullptr, 0, NI_NUMERICHOST);
this->hostname = buffer;
}
return this->hostname;
return this->hostname.c_str();
}
/**
@@ -234,32 +236,32 @@ SOCKET NetworkAddress::Resolve(int family, int socktype, int flags, SocketList *
/* Setting both hostname to nullptr and port to 0 is not allowed.
* As port 0 means bind to any port, the other must mean that
* we want to bind to 'all' IPs. */
if (StrEmpty(this->hostname) && this->address_length == 0 && this->GetPort() == 0) {
if (this->hostname.empty() && this->address_length == 0 && this->GetPort() == 0) {
reset_hostname = true;
int fam = this->address.ss_family;
if (fam == AF_UNSPEC) fam = family;
strecpy(this->hostname, fam == AF_INET ? "0.0.0.0" : "::", lastof(this->hostname));
this->hostname = fam == AF_INET ? "0.0.0.0" : "::";
}
static bool _resolve_timeout_error_message_shown = false;
auto start = std::chrono::steady_clock::now();
int e = getaddrinfo(StrEmpty(this->hostname) ? nullptr : this->hostname, port_name, &hints, &ai);
int e = getaddrinfo(this->hostname.empty() ? nullptr : this->hostname.c_str(), port_name, &hints, &ai);
auto end = std::chrono::steady_clock::now();
std::chrono::seconds duration = std::chrono::duration_cast<std::chrono::seconds>(end - start);
if (!_resolve_timeout_error_message_shown && duration >= std::chrono::seconds(5)) {
DEBUG(net, 0, "getaddrinfo for hostname \"%s\", port %s, address family %s and socket type %s took %i seconds",
this->hostname, port_name, AddressFamilyAsString(family), SocketTypeAsString(socktype), (int)duration.count());
this->hostname.c_str(), port_name, AddressFamilyAsString(family), SocketTypeAsString(socktype), (int)duration.count());
DEBUG(net, 0, " this is likely an issue in the DNS name resolver's configuration causing it to time out");
_resolve_timeout_error_message_shown = true;
}
if (reset_hostname) strecpy(this->hostname, "", lastof(this->hostname));
if (reset_hostname) this->hostname.clear();
if (e != 0) {
if (func != ResolveLoopProc) {
DEBUG(net, 0, "getaddrinfo for hostname \"%s\", port %s, address family %s and socket type %s failed: %s",
this->hostname, port_name, AddressFamilyAsString(family), SocketTypeAsString(socktype), FS2OTTD(gai_strerror(e)).c_str());
this->hostname.c_str(), port_name, AddressFamilyAsString(family), SocketTypeAsString(socktype), FS2OTTD(gai_strerror(e)).c_str());
}
return INVALID_SOCKET;
}
@@ -442,11 +444,11 @@ void NetworkAddress::Listen(int socktype, SocketList *sockets)
{
assert(sockets != nullptr);
/* Setting both hostname to nullptr and port to 0 is not allowed.
/* Setting both hostname to "" and port to 0 is not allowed.
* As port 0 means bind to any port, the other must mean that
* we want to bind to 'all' IPs. */
if (this->address_length == 0 && this->address.ss_family == AF_UNSPEC &&
StrEmpty(this->hostname) && this->GetPort() == 0) {
this->hostname.empty() && this->GetPort() == 0) {
this->Resolve(AF_INET, socktype, AI_ADDRCONFIG | AI_PASSIVE, sockets, ListenLoopProc);
this->Resolve(AF_INET6, socktype, AI_ADDRCONFIG | AI_PASSIVE, sockets, ListenLoopProc);
} else {