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73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
#pragma once
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#ifndef ES_CORE_HTTP_REQ_H
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#define ES_CORE_HTTP_REQ_H
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#include <curl/curl.h>
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#include <map>
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#include <sstream>
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/* Usage:
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* HttpReq myRequest("www.google.com", "/index.html");
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* //for blocking behavior: while(myRequest.status() == HttpReq::REQ_IN_PROGRESS);
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* //for non-blocking behavior: check if(myRequest.status() != HttpReq::REQ_IN_PROGRESS) in some sort of update method
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*
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* //once one of those completes, the request is ready
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* if(myRequest.status() != REQ_SUCCESS)
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* {
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* //an error occured
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* LOG(LogError) << "HTTP request error - " << myRequest.getErrorMessage();
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* return;
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* }
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*
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* std::string content = myRequest.getContent();
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* //process contents...
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*/
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class HttpReq
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{
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public:
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HttpReq(const std::string& url);
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~HttpReq();
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enum Status
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{
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REQ_IN_PROGRESS, //request is in progress
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REQ_SUCCESS, //request completed successfully, get it with getContent()
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REQ_IO_ERROR, //some error happened, get it with getErrorMsg()
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REQ_BAD_STATUS_CODE, //some invalid HTTP response status code happened (non-200)
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REQ_INVALID_RESPONSE //the HTTP response was invalid
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};
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Status status(); //process any received data and return the status afterwards
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std::string getErrorMsg();
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std::string getContent() const; // mStatus must be REQ_SUCCESS
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static std::string urlEncode(const std::string &s);
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static bool isUrl(const std::string& s);
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private:
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static size_t write_content(void* buff, size_t size, size_t nmemb, void* req_ptr);
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//static int update_progress(void* req_ptr, double dlTotal, double dlNow, double ulTotal, double ulNow);
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//god dammit libcurl why can't you have some way to check the status of an individual handle
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//why do I have to handle ALL messages at once
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static std::map<CURL*, HttpReq*> s_requests;
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static CURLM* s_multi_handle;
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void onError(const char* msg);
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CURL* mHandle;
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Status mStatus;
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std::stringstream mContent;
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std::string mErrorMsg;
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};
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#endif // ES_CORE_HTTP_REQ_H
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