code: 3 var

.gitignore

@@ -1,4 +1,5 @@
 /bin
 /obj
 /lab03.layout
+/curl
 

lab03.cbp

@@ -31,7 +31,12 @@
 		<Compiler>
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
+			<Add directory="curl/include" />
 		</Compiler>
+		<Linker>
+			<Add library="libcurl.dll.a" />
+			<Add directory="curl/lib" />
+		</Linker>
 		<Unit filename="histogram.cpp" />
 		<Unit filename="histogram.h" />
 		<Unit filename="histogram_internal.h" />

lab03.depend

@@ -7,9 +7,12 @@
 1716797551 c:\users\lenov\desktop\lab03\histogram.h
 	<vector>
 
-1717268069 source:c:\users\lenov\desktop\lab03\main.cpp
+1717528384 source:c:\users\lenov\desktop\lab03\main.cpp
 	<iostream>
 	<vector>
+	<sstream>
+	<string>
+	<curl/curl.h>
 	"histogram.h"
 	"text.h"
 	"svg.h"
@@ -22,12 +25,65 @@
 	"text.h"
 	<vector>
 
-1716819918 c:\users\lenov\desktop\lab03\svg.h
+1717516760 c:\users\lenov\desktop\lab03\svg.h
 	<vector>
 
-1716819750 source:c:\users\lenov\desktop\lab03\svg.cpp
+1717516760 source:c:\users\lenov\desktop\lab03\svg.cpp
 	<iostream>
 	<vector>
 	<string>
 	"svg.h"
 
+1717401831 c:\users\lenov\desktop\lab03\curl\include\curl\curl.h
+	"curlver.h"
+	"system.h"
+	<stdio.h>
+	<limits.h>
+	<sys/param.h>
+	<sys/types.h>
+	<time.h>
+	<winsock2.h>
+	<ws2tcpip.h>
+	<sys/select.h>
+	<sys/socket.h>
+	<sys/time.h>
+	"easy.h"
+	"multi.h"
+	"urlapi.h"
+	"options.h"
+	"header.h"
+	"websockets.h"
+	"mprintf.h"
+	"typecheck-gcc.h"
+
+1717401831 c:\users\lenov\desktop\lab03\curl\include\curl\curlver.h
+
+1717401834 c:\users\lenov\desktop\lab03\curl\include\curl\system.h
+	<ConditionalMacros.h>
+	<inttypes.h>
+	<inttypes.h>
+	<sys/types.h>
+	<sys/socket.h>
+	<sys/poll.h>
+
+1717401832 c:\users\lenov\desktop\lab03\curl\include\curl\easy.h
+
+1717401833 c:\users\lenov\desktop\lab03\curl\include\curl\multi.h
+	"curl.h"
+
+1717401834 c:\users\lenov\desktop\lab03\curl\include\curl\urlapi.h
+	"curl.h"
+
+1717401833 c:\users\lenov\desktop\lab03\curl\include\curl\options.h
+
+1717401832 c:\users\lenov\desktop\lab03\curl\include\curl\header.h
+
+1717401835 c:\users\lenov\desktop\lab03\curl\include\curl\websockets.h
+
+1717401832 c:\users\lenov\desktop\lab03\curl\include\curl\mprintf.h
+	<stdarg.h>
+	<stdio.h>
+	"curl.h"
+
+1717401834 c:\users\lenov\desktop\lab03\curl\include\curl\typecheck-gcc.h
+

main.cpp

@@ -1,38 +1,84 @@
 #include <iostream>
 #include <vector>
+#include <sstream>
+#include <string>
+#include <curl/curl.h>
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
+
 using namespace std;
 
-struct Input {
+struct Input
+{
     vector<double> numbers;
     size_t bin_count{};
-
 };
-Input
-input_data() {
-    size_t number_count;
+
+
+Input input_data(istream& stream, bool prompt) {
+  Input in;
+  size_t number_count;
+  if (prompt) {
     cerr << "Enter number count: ";
-    cin >> number_count;
-    Input in;
-    in.numbers.resize(number_count);
-    cerr << "Enter numbers: ";
-    for (size_t i = 0; i < number_count; i++) {
-        cin >> in.numbers[i];
+  }
+  stream >> number_count;
+  in.numbers.resize(number_count);
+  for (size_t i = 0; i < number_count; i++) {
+    if (prompt) {
+      cerr << "Enter number " << i+1 << ": ";
     }
+    stream >> in.numbers[i];
+  }
+  if (prompt) {
     cerr << "Enter bin count: ";
-    cin>> in.bin_count;
+  }
+  stream >> in.bin_count;
+  return in;
+}
 
-    return in;
+size_t
+write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
+    size_t data_size = item_size * item_count;
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    (*buffer).write(reinterpret_cast<const char*>(items), data_size);
+    return data_size;
 }
 
-int
-main() {
-    auto in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_svg(bins);
+Input
+download(const string& address) {
+    stringstream buffer;
+    CURL *curl = curl_easy_init();
+    if(curl) {
+        CURLcode res;
+        curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+        res = curl_easy_perform(curl);
+
+        int speed;
+        curl_easy_getinfo(curl,CURLINFO_SPEED_DOWNLOAD_T, & speed);
+        cerr << "The average download speed: " << speed <<  " bytes/second" << endl ;
 
 
-    return 0;
+        if (res!=CURLE_OK){
+            cerr << curl_easy_strerror(res);
+            exit(1);
+        }
+        curl_easy_cleanup(curl);
+    }
+    return input_data(buffer, false);
+}
+
+int main(int argc, char* argv[])
+{
+    Input input;
+    if (argc > 1) {
+        input = download(argv[1]);
+    } else {
+        input = input_data(cin, true);
+    }
+    const auto bins = make_histogram(input.numbers, input.bin_count);
+    show_histogram_svg(bins);
+     return 0;
 }