Is http request(REST) available?

[mgu1206]

Hi. I'm trying to change from [cpp rest sdk] to [drogon] in our project.
we used [cpp rest sdk] to rest client and server.

I rewrote request function like below. (ai helped me...)

`void REST_API::RequestHTTP(const REST_Auth& auth, const drogon::HttpMethod& mtd, const std::wstring& url, const std::chrono::microseconds timeout, int& result, std::wstring& recvStr, const Json::Value& data)
{
// Create the HttpClient instance
std::string url_str = WcharToUtf8(url);
auto client = drogon::HttpClient::newHttpClient(url_str);

// Create the HttpRequest
auto request = drogon::HttpRequest::newHttpRequest();
request->setMethod(mtd);
//request->setPath(url_str);

// Set the request body if it is not null
if (!data.isNull())
{
    request->setBody(data.toStyledString());
}

// Add headers
request->addHeader("Content-Type", "application/json");

RestAuthType authType = RestAuthType::AUTH_UNKNOWN;
std::string id, passwd, apiKey;

if (!ValidateAuthentication(auth, authType, id, passwd, apiKey))
{
    result = drogon::HttpStatusCode::k404NotFound;
    recvStr = L"";
    return;
}

if (authType == RestAuthType::AUTH_BASIC)
{
    std::string authInfo = id + ":" + passwd;
    std::string encodedStr = drogon::utils::base64Encode(authInfo);
    request->addHeader("Authorization", "Basic " + encodedStr);
}
else if (authType == RestAuthType::AUTH_API_KEY)
{
    request->addHeader("X-API-Key", apiKey);
}
else
{
    result = drogon::HttpStatusCode::k404NotFound;
    recvStr = L"";
    return;
}

try
{
    const double timeout_val = timeout.count() / 1'000'000.0;

    std::pair<drogon::ReqResult, drogon::HttpResponsePtr> req_response = client->sendRequest(request, timeout_val);
    const auto& response_ptr = req_response.second;

    if (response_ptr)
    {
        result = (int)response_ptr->getStatusCode();
        recvStr = Utf8ToWchar(std::string(response_ptr->getBody()));
    }
}
catch (const std::exception& e)
{
    result = drogon::HttpStatusCode::k500InternalServerError;
    recvStr = L"";
}

}`

I am tried to call this function main tid, worker tid, but situation are same.

at the std::pair<drogon::ReqResult, drogon::HttpResponsePtr> req_response = client->sendRequest(request, timeout_val); const auto& response_ptr = req_response.second; here hanging.

in detailed,

std::pair<ReqResult, HttpResponsePtr> sendRequest(const HttpRequestPtr &req, double timeout = 0) { assert(!getLoop()->isInLoopThread() && "Deadlock detected! Calling a sync API from the same loop as " "the HTTP client processes on will deadlock the event loop"); std::promise<std::pair<ReqResult, HttpResponsePtr>> prom; auto f = prom.get_future(); sendRequest( req, [&prom](ReqResult r, const HttpResponsePtr &resp) { prom.set_value({r, resp}); }, timeout); return f.get(); }

hanging at f.get();

where did I do wrong...?

[mgu1206]

I figured it out myself.
Sorry, I didn't read the documentation carefully.

I should call app().run(); before use it and call app().quit(); when sw terminated.

[ankit-4129]

where can i find docs, all they have is a wiki page...
how can i know about the methods provided by HttpRequest