main.c
changeset 73 0ff316e24339
parent 72 4fddfa5f29fa
child 74 f23a93d41f32
     1.1 --- a/main.c	Mon Nov 05 21:55:31 2007 -0500
     1.2 +++ b/main.c	Mon Nov 05 22:54:33 2007 -0500
     1.3 @@ -141,6 +141,52 @@
     1.4  	return 0;
     1.5  }
     1.6  
     1.7 +static int
     1.8 +show_progress(void *clientp,
     1.9 +	      double dltotal, double dlnow, double ultotal, double ulnow)
    1.10 +{
    1.11 +	const char *file = clientp;
    1.12 +
    1.13 +	if (!dlnow < dltotal)
    1.14 +		fprintf(stderr, "\rdownloading %s, %dkB/%dkB",
    1.15 +			file, (int) dlnow / 1024, (int) dltotal / 1024);
    1.16 +	else
    1.17 +		fprintf(stderr, "\n");
    1.18 +
    1.19 +	return 0;
    1.20 +}
    1.21 +
    1.22 +static int
    1.23 +download_if_missing(CURL *curl, const char *url, const char *file)
    1.24 +{
    1.25 +	struct stat buf;
    1.26 +	char error[256];
    1.27 +	FILE *fp;
    1.28 +	CURLcode res;
    1.29 +	char buffer[256];
    1.30 +
    1.31 +	curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, error);
    1.32 +	curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);
    1.33 +	curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, show_progress);
    1.34 +	curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, file);
    1.35 +
    1.36 +	if (stat(file, &buf) < 0) {
    1.37 +		fp = fopen(file, "w");
    1.38 +		snprintf(buffer, sizeof buffer, "%s/%s", url, file);
    1.39 +		curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
    1.40 +		curl_easy_setopt(curl, CURLOPT_URL, buffer);
    1.41 +		res = curl_easy_perform(curl);
    1.42 +		fclose(fp);
    1.43 +		if (res != CURLE_OK) {
    1.44 +			fprintf(stderr, "curl error: %s\n", error);
    1.45 +			unlink(file);
    1.46 +			return -1;
    1.47 +		}
    1.48 +	}
    1.49 +
    1.50 +	return 0;
    1.51 +}
    1.52 +
    1.53  #define REPO_URL "http://download.fedora.redhat.com" \
    1.54  	"/pub/fedora/linux/development/i386/os/repodata"
    1.55  
    1.56 @@ -149,33 +195,15 @@
    1.57  {
    1.58  	struct razor_set *set;
    1.59  	CURL *curl;
    1.60 -	CURLcode res;
    1.61 -	FILE *fp;
    1.62 -	struct stat buf;
    1.63  
    1.64  	curl = curl_easy_init();
    1.65  	if (curl == NULL)
    1.66  		return 1;
    1.67  
    1.68 -	if (stat("primary.xml.gz", &buf) < 0) {
    1.69 -		curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);
    1.70 -		fp = fopen("primary.xml.gz", "w");
    1.71 -		curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
    1.72 -		curl_easy_setopt(curl, CURLOPT_URL,
    1.73 -				 REPO_URL "/primary.xml.gz");
    1.74 -		res = curl_easy_perform(curl);
    1.75 -		fclose(fp);
    1.76 -	}
    1.77 -
    1.78 -	if (stat("filelist.xml.gz", &buf) < 0) {
    1.79 -		fp = fopen("filelists.xml.gz", "w");
    1.80 -		curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
    1.81 -		curl_easy_setopt(curl, CURLOPT_URL,
    1.82 -				 REPO_URL "/filelists.xml.gz");
    1.83 -		res = curl_easy_perform(curl);
    1.84 -		fclose(fp);
    1.85 -	}
    1.86 -
    1.87 +	if (download_if_missing(curl, REPO_URL, "primary.xml.gz") < 0)
    1.88 +		return -1;
    1.89 +	if (download_if_missing(curl, REPO_URL, "filelists.xml.gz") < 0)
    1.90 +		return -1;
    1.91  	curl_easy_cleanup(curl);
    1.92  
    1.93  	set = razor_set_create_from_yum();