consumer em c

consumer.c

#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <curl/curl.h>
#include <string.h>
#include <sys/stat.h>
#include <fcntl.h>

#define MAX_STRING_LEN 6000002 
#define NUMT 4

char *getCut(char *word)
{
	char *base = strrchr(word, '/');
	return base+1;
}

int main(int argc, char *argv[])
{
	
	if(argc < 2)
	{
		printf("Use like: ./consumer 'url'\n");
		exit(0);
	}

	CURL *curl;
	CURLcode resUpload, resDownload;
	char test[MAX_STRING_LEN];
	double speed_upload, speed_download;
	char *ch = "0123456789ABCDEFGHIJKLMNOPQRSTUVXWYZ";
	int size = strlen(ch) - 1;
	for (int x = 0; x < 5150000;){
		for (int i = 0; i <= size; ++i){
			strcpy(&test[x],&ch[i]);
			++x;
		}
	}
 
 	char word[] = "content=";
	strcat(word,test);

	FILE *fd = fopen("fileUp","a");
	fputs(word,fd);
	fclose(fd);
 	
	FILE *nfd = fopen("fileUp","r");

	curl = curl_easy_init();
	if(curl)
	{
		curl_easy_setopt(curl, CURLOPT_TIMEOUT, 20);
		curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
		curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
		curl_easy_setopt(curl, CURLOPT_READDATA, nfd);
		curl_easy_setopt(curl, CURLOPT_NOBODY, 1);

		resUpload = curl_easy_perform(curl);
		
		curl_easy_getinfo(curl, CURLINFO_SPEED_UPLOAD, &speed_upload);
		float upload = speed_upload / 1024 ;
		fprintf(stderr, "Upload Speed: %.2f Kb/s\n", upload);

		curl_easy_cleanup(curl);
	}

	char *url = argv[1];
	char *path = getCut(url);
	int nletters = strlen(argv[1]) - strlen(path);
	char nBase[nletters+1];
	strncpy(nBase,url+0,nletters);
	
	char urlRandom[1024];
	strcat(urlRandom,nBase);
	strcat(urlRandom,"random4000x4000.jpg");
	
	FILE *image = fopen("imgDown","wb");

	curl = curl_easy_init();
	if(curl){
		curl_easy_setopt(curl, CURLOPT_TIMEOUT, 20);
		curl_easy_setopt(curl, CURLOPT_URL, urlRandom);
		curl_easy_setopt(curl, CURLOPT_WRITEDATA, image);
		resDownload = curl_easy_perform(curl);

		curl_easy_getinfo(curl, CURLINFO_SPEED_DOWNLOAD, &speed_download);
		float download = speed_download / 1024;
		float nominalSpeed = download / 1024 * 10;

		fprintf(stderr, "Download Speed: %.2f Kb/s\n", download);
		fprintf(stderr, "Nominal Speed: %.2f MB/s\n", nominalSpeed);
		
		curl_easy_cleanup(curl);
	}
	
	int uStatus = remove("fileUp");
	if (uStatus != 0)
	{
		printf("File 'fileUp' can't be removed\n");
	}

	int dStatus = remove("imgDown");
	if (dStatus != 0)
	{
		printf("File 'imgDown' can't be removed\n");
	}

	return 0;
}