code: изменён код программы

main.cpp

@@ -2,7 +2,9 @@
 #include <vector>
 #include <algorithm>
 #include "histogram.h"
-
+#include <curl/curl.h>
+#include <sstream>
+#include <string>
 using namespace std;
 
 struct Input {
@@ -10,6 +12,10 @@ struct Input {
     size_t bin_count{};
 };
 
+static size_t write_callback(void *ptr, size_t size, size_t nmemb, void *userdata) {
+    return size * nmemb;
+}
+
 Input
 input_data(istream& in){
 size_t number_count;
@@ -22,12 +28,43 @@ in >> cin.bin_count;
 return cin;
 }
 
-int main(int argc, char* argv[]){
-// curl_global_init(CURL_GLOBAL_ALL);
-if(argc>1){
-    cout<<argc<<argv;
+Input
+download(const string& address) {
+    stringstream buffer;
+
+    CURL* curl = curl_easy_init();
+    curl_easy_cleanup(curl);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+
+    return input_data(buffer, false);
+}
+
+size_t
+write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    (*buffer).write(items, data_size);
     return 0;
 }
+
+
+int main(int argc, char* argv[]){
+curl_global_init(CURL_GLOBAL_ALL);
+CURL *curl = curl_easy_init();
+if(curl) {
+    curl_easy_setopt(curl, CURLOPT_URL, "http://uit.mpei.ru/study/courses/cs/lab03/marks.txt");
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
+    curl_easy_perform(curl);
+    double speed;
+    curl_easy_getinfo(curl, CURLINFO_SPEED_DOWNLOAD, &speed);
+    printf("Ñêîðîñòü çàãðóçêè ôàéëà: %.2f bytes/sec", speed);
+    curl_easy_cleanup(curl);
+}
+    Input input;
+    if (argc > 1) {
+        input = download(argv[1]);
+    } else {
+        input = input_data(cin, true);
+    }
 auto in = input_data(cin);
 auto bins = make_histogram(in.numbers, in.bin_count);
 show_histogram(bins, in.bin_count);