중간저장3

@@ -3,18 +3,37 @@
 
 
 //////////////////////////////////////////////////////////////////
+// private func
+//////////////////////////////////////////////////////////////////
+size_t curl_processor::write_callback(void *contents, size_t size, size_t nmemb, void *userp) {
+	//copy ptr
+	std::string* p_str = (std::string*)userp;
+
+	//clear
+	if (!p_str->empty())
+	p_str->clear();
+
+	//write
+	p_str->append((char*)contents, size*nmemb);
+	return size*nmemb;
+}
+
+
+//////////////////////////////////////////////////////////////////
 // constructor, destructor
 //////////////////////////////////////////////////////////////////
-curl_processor::curl_processor()
-{
+curl_processor::curl_processor() {
 	curl = curl_easy_init();
 	if (!curl) {
 		throw std::exception("failed to make curl object");
 	}
+
+	//set curl option
+	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, this->write_callback);
+	curl_easy_setopt(curl, CURLOPT_WRITEDATA, &result_buffer);
 }
 
-curl_processor::~curl_processor()
-{
+curl_processor::~curl_processor() {
 	curl_easy_cleanup(curl);
 }
 
@@ -22,3 +41,11 @@ curl_processor::~curl_processor()
 //////////////////////////////////////////////////////////////////
 // methods
 //////////////////////////////////////////////////////////////////
+void curl_processor::set_url(const char *url) {
+	curl_easy_setopt(curl, CURLOPT_URL, url);
+}
+
+bool curl_processor::perform() {
+	res = curl_easy_perform(curl);
+	return (res == CURLE_OK);
+}
\ No newline at end of file

@@ -9,6 +9,11 @@ class curl_processor
 private:
 	CURL *curl;
 	CURLcode res;
+	std::string result_buffer;
+
+	//private func
+private:
+	size_t write_callback(void *contents, size_t size, size_t nmemb, void *userp);
 
 	//constructor, destructor
 public:
@@ -17,7 +22,9 @@ public:
 
 	//methods
 public:
-
+	std::string get_buffer() const { return result_buffer; }
+	void set_url(const char *url);
+	bool perform();
 };
 
 #endif // CURL_PROCESSOR_H
\ No newline at end of file

@@ -2,20 +2,42 @@
 #include "PaperGraphWidget.h"
 #include "MainWindow.h"
 
+size_t write_callback(void *contents, size_t size,
+	size_t nmemb, void *userp) {
+	std::string* p_str = (std::string*)userp;
+	
+	//clear
+	if (!p_str->empty())
+		p_str->clear();
+
+	//write
+	p_str->append((char*)contents, size*nmemb);
+	return size*nmemb;
+}
+
 int main(int argc, char *argv[])
 {
 	if (1) {
 		CURL *curl;
 		CURLcode res;
+		std::string read_buffer;
 
 		curl = curl_easy_init();
 		if (curl) {
 			curl_easy_setopt(curl, CURLOPT_URL, "http://dblp.uni-trier.de/rec/bib/conf/sbrn/WedemannCD06");
 			/* example.com is redirected, so we tell libcurl to follow redirection */
-			curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+			
+			//write option
+			curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
+			curl_easy_setopt(curl, CURLOPT_WRITEDATA, &read_buffer);
 
 			/* Perform the request, res will get the return code */
 			res = curl_easy_perform(curl);
+			res = curl_easy_perform(curl);
+
+
+			printf("%s\n", read_buffer.c_str());
+
 			/* Check for errors */
 			if (res != CURLE_OK)
 				fprintf(stderr, "curl_easy_perform() failed: %s\n",