IXDNSLookup. Uses weak pointer + smart_ptr + shared_from_this instead of static sets + mutex to handle object going away before dns lookup has resolved

This commit is contained in:
Benjamin Sergeant
2019-06-19 00:43:59 -07:00
parent dbd62b8622
commit b26e9d0338
6 changed files with 28 additions and 52 deletions

View File

@ -17,33 +17,33 @@ TEST_CASE("dns", "[net]")
{
SECTION("Test resolving a known hostname")
{
DNSLookup dnsLookup("www.google.com", 80);
auto dnsLookup = std::make_shared<DNSLookup>("www.google.com", 80);
std::string errMsg;
struct addrinfo* res;
res = dnsLookup.resolve(errMsg, [] { return false; });
res = dnsLookup->resolve(errMsg, [] { return false; });
std::cerr << "Error message: " << errMsg << std::endl;
REQUIRE(res != nullptr);
}
SECTION("Test resolving a non-existing hostname")
{
DNSLookup dnsLookup("wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww", 80);
auto dnsLookup = std::make_shared<DNSLookup>("wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww", 80);
std::string errMsg;
struct addrinfo* res = dnsLookup.resolve(errMsg, [] { return false; });
struct addrinfo* res = dnsLookup->resolve(errMsg, [] { return false; });
std::cerr << "Error message: " << errMsg << std::endl;
REQUIRE(res == nullptr);
}
SECTION("Test resolving a good hostname, with cancellation")
{
DNSLookup dnsLookup("www.google.com", 80, 1);
auto dnsLookup = std::make_shared<DNSLookup>("www.google.com", 80, 1);
std::string errMsg;
// The callback returning true means we are requesting cancellation
struct addrinfo* res = dnsLookup.resolve(errMsg, [] { return true; });
struct addrinfo* res = dnsLookup->resolve(errMsg, [] { return true; });
std::cerr << "Error message: " << errMsg << std::endl;
REQUIRE(res == nullptr);
}