ErrorHttpRequestFailed::ErrorHttpRequestFailed(const ApiRequest& request, const internal::HttpRequest& httpRequest, const internal::HttpResponse& httpResponse)
: ApiError() {
status = FREDCPP_FAIL_HTTP;
std::ostringstream buf;
buf << "Bad Response."
<< " "
<< " Could not connect to API URI or received unexpected content type."
<< " http-status:" << httpResponse.getHttpStatus()
<< " content-type:" << httpResponse.getContentType()
<< " http-request:" << httpRequest
;
message = buf.str();
buf.str("");
buf << httpResponse.getHttpStatus();
code = buf.str();
}
bool CurlHttpClient::execute(const internal::HttpRequest& request, internal::HttpResponse& response) {
CURLStatus_ = CURLE_FAILED_INIT;
errorBuf_[0] = '\0';
bool retry(false);
unsigned retryCount(0);
response.clear();
CURL* curl = curl_easy_init();
if (NULL == curl) {
return (internal::HttpResponse::HTTP_OK == response.getHttpStatus());
}
std::string URI(getRequestString(request));
FREDCPP_LOG_DEBUG("CURL:URI:" << URI);
if (!CACertFile_.empty()) {
std::ifstream ifs(CACertFile_.c_str());
FREDCPP_LOG_DEBUG("CURL:CACertFile:" << CACertFile_ << " found:" << ifs.good());
}
if (CURLE_OK == (CURLStatus_ = curl_easy_setopt(curl, CURLOPT_USERAGENT, userAgent_.c_str()))
&& CURLE_OK == (CURLStatus_ = curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeDataCallback_))
&& CURLE_OK == (CURLStatus_ = curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1L))
&& CURLE_OK == (CURLStatus_ = curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L))
&& CURLE_OK == (CURLStatus_ = curl_easy_setopt(curl, CURLOPT_FILE, &response.getContentStream()))
&& CURLE_OK == (CURLStatus_ = curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeoutSecs_))
&& CURLE_OK == (CURLStatus_ = curl_easy_setopt(curl, CURLOPT_URL, URI.c_str()))
&& CURLE_OK == (CURLStatus_ = curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errorBuf_))
&& (!request.isHttps()
|| CURLE_OK == (CURLStatus_ = curl_easy_setopt(curl, CURLOPT_CAINFO, CACertFile_.c_str())))
) {
do {
CURLStatus_ = curl_easy_perform(curl);
if (CURLE_OK == CURLStatus_) {
// on successfull call get http-status and content-type
long code(0L);
char *strInfo(NULL);
if (CURLE_OK == curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code)
&& CURLE_OK == curl_easy_getinfo(curl, CURLINFO_CONTENT_TYPE, &strInfo)) {
response.setHttpStatus(httpStatusFromCode(code));
response.setContentType(strInfo);
}
} else {
FREDCPP_LOG_DEBUG("CURL:Request failed CURLStatus:" << CURLStatus_
<< "|" << errorBuf_);
}
retry = (CURLE_OPERATION_TIMEDOUT == CURLStatus_
|| CURLE_COULDNT_RESOLVE_HOST == CURLStatus_
|| CURLE_COULDNT_RESOLVE_PROXY == CURLStatus_
|| CURLE_COULDNT_CONNECT == CURLStatus_);
if (retry) {
if (retryCount < retryMaxCount_) {
++retryCount;
FREDCPP_LOG_DEBUG("CURL:Waiting " << retryWaitSecs_ << "ms"
<< " before request retry " << retryCount << " ...");
internal::sleep(retryWaitSecs_);
} else {
retry = false;
FREDCPP_LOG_DEBUG("CURL:Retry maximum count " << retryMaxCount_ << " reached - giving up.");
}
}
} while (retry);
}
if (CURLE_OK == CURLStatus_) {
FREDCPP_LOG_DEBUG("CURL:http-response:" << response.getHttpStatus()
<< " " << "content-type:" << response.getContentType());
}
curl_easy_cleanup(curl);
return (internal::HttpResponse::HTTP_OK == response.getHttpStatus());
}