bsc::ui_util::anonymous_namespace{GeoResolver.cpp} Namespace Reference

Functions
std::string	http_get (const std::string &host, const std::string &path, std::chrono::milliseconds timeout)

Variables
constexpr auto	kCacheTtl = std::chrono::hours(24)
constexpr auto	kMinInterval = std::chrono::milliseconds(1500)

Function Documentation

http_get()

std::string bsc::ui_util::anonymous_namespace{GeoResolver.cpp}::http_get	(	const std::string &	host,
		const std::string &	path,
		std::chrono::milliseconds	timeout )

Definition at line 29 of file GeoResolver.cpp.

{
    struct addrinfo hints{};
    hints.ai_family = AF_UNSPEC;
    hints.ai_socktype = SOCK_STREAM;
    struct addrinfo* res = nullptr;
    if (getaddrinfo(host.c_str(), "80", &hints, &res) != 0 || !res) return {};
 
    int fd = ::socket(res->ai_family, res->ai_socktype, res->ai_protocol);
    if (fd < 0) { freeaddrinfo(res); return {}; }
 
    // Timeout su recv/send
    struct timeval tv{};
    tv.tv_sec = timeout.count() / 1000;
    tv.tv_usec = (timeout.count() % 1000) * 1000;
    ::setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
    ::setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));
 
    if (::connect(fd, res->ai_addr, res->ai_addrlen) < 0) {
        ::close(fd); freeaddrinfo(res); return {};
    }
    freeaddrinfo(res);
 
    std::string req = "GET " + path + " HTTP/1.0\r\n";
    req += "Host: " + host + "\r\n";
    req += "User-Agent: BastionGuard-SC/1.0\r\n";
    req += "Connection: close\r\n\r\n";
    if (::send(fd, req.data(), req.size(), 0) < 0) { ::close(fd); return {}; }
 
    std::string response;
    char buf[4096];
    while (true) {
        ssize_t n = ::recv(fd, buf, sizeof(buf), 0);
        if (n <= 0) break;
        response.append(buf, static_cast<size_t>(n));
        if (response.size() > 64 * 1024) break;  // antipattern abuse guard
    }
    ::close(fd);
 
    // Separa body dalle headers (\r\n\r\n)
    const auto sep = response.find("\r\n\r\n");
    if (sep == std::string::npos) return {};
    return response.substr(sep + 4);
}

References http_get().

Referenced by http_get().

Variable Documentation

kCacheTtl

auto bsc::ui_util::anonymous_namespace{GeoResolver.cpp}::kCacheTtl = std::chrono::hours(24)

constexpr

Definition at line 21 of file GeoResolver.cpp.

kMinInterval

auto bsc::ui_util::anonymous_namespace{GeoResolver.cpp}::kMinInterval = std::chrono::milliseconds(1500)

constexpr

Definition at line 26 of file GeoResolver.cpp.