LrHandle *
lr_handle_init()
{
LrHandle *handle;
CURL *curl = lr_get_curl_handle();
if (!curl)
return NULL;
handle = lr_malloc0(sizeof(LrHandle));
handle->curl_handle = curl;
handle->fastestmirrormaxage = LRO_FASTESTMIRRORMAXAGE_DEFAULT;
handle->mirrorlist_fd = -1;
handle->metalink_fd = -1;
handle->checks |= LR_CHECK_CHECKSUM;
handle->maxparalleldownloads = LRO_MAXPARALLELDOWNLOADS_DEFAULT;
handle->maxdownloadspermirror = LRO_MAXDOWNLOADSPERMIRROR_DEFAULT;
handle->lowspeedlimit = LRO_LOWSPEEDLIMIT_DEFAULT;
return handle;
}
/** Create list of LrFastestMirror based on input list of URLs.
*/
static gboolean
lr_fastestmirror_prepare(LrHandle *handle,
GSList *in_list,
GSList **out_list,
LrFastestMirrorCache *cache,
GError **err)
{
gboolean ret = TRUE;
GSList *list = NULL;
assert(!err || *err == NULL);
if (!in_list) {
*out_list = NULL;
return TRUE;
}
gint64 maxage = LRO_FASTESTMIRRORMAXAGE_DEFAULT;
gint64 current_time = g_get_real_time() / 1000000;
if (handle)
maxage = (gint64) handle->fastestmirrormaxage;
for (GSList *elem = in_list; elem; elem = g_slist_next(elem)) {
gchar *url = elem->data;
CURLcode curlcode;
CURL *curlh;
// TODO: For prefixed by "file://" - set plain_connect_time to zero
// Try to find item in the cache
gint64 ts;
double connecttime;
if (lr_fastestmirrorcache_lookup(cache, url, &ts, &connecttime)) {
if (ts >= (current_time - maxage)) {
// Use cached entry
g_debug("%s: Using cached connect time for: %s (%f)",
__func__, url, connecttime);
LrFastestMirror *mirror = lr_lrfastestmirror_new();
mirror->url = url;
mirror->curl = NULL;
mirror->plain_connect_time = connecttime;
mirror->cached = TRUE;
list = g_slist_append(list, mirror);
continue;
} else {
g_debug("%s: Cached connect time too old: %s", __func__, url);
}
} else {
g_debug("%s: Not found in cache: %s", __func__, url);
}
if (handle)
curlh = curl_easy_duphandle(handle->curl_handle);
else
curlh = lr_get_curl_handle();
if (!curlh) {
g_set_error(err, LR_FASTESTMIRROR_ERROR, LRE_CURL,
"Cannot create curl handle");
ret = FALSE;
break;
}
LrFastestMirror *mirror = lr_lrfastestmirror_new();
mirror->url = url;
mirror->curl = curlh;
curlcode = curl_easy_setopt(curlh, CURLOPT_URL, url);
if (curlcode != CURLE_OK) {
g_set_error(err, LR_FASTESTMIRROR_ERROR, LRE_CURL,
"curl_easy_setopt(_, CURLOPT_URL, %s) failed: %s",
url, curl_easy_strerror(curlcode));
ret = FALSE;
break;
}
curlcode = curl_easy_setopt(curlh, CURLOPT_CONNECT_ONLY, 1);
if (curlcode != CURLE_OK) {
g_set_error(err, LR_FASTESTMIRROR_ERROR, LRE_CURL,
"curl_easy_setopt(_, CURLOPT_CONNECT_ONLY, 1) failed: %s",
curl_easy_strerror(curlcode));
ret = FALSE;
break;
}
list = g_slist_append(list, mirror);
}
if (ret) {
*out_list = list;
} else {
assert(!err || *err);
g_slist_free_full(list, (GDestroyNotify)lr_lrfastestmirror_free);
*out_list = NULL;
}
return ret;
}