clarify get mirrors method: Repo.getRandomMirror()

This commit is contained in:
Hans-Christoph Steiner 2019-02-19 12:18:34 +01:00
parent cf9a6b851d
commit 89422e9c8f
2 changed files with 12 additions and 8 deletions

View File

@ -263,7 +263,7 @@ public class FDroidApp extends Application {
*
* @see #resetMirrorVars()
* @see #getTimeout()
* @see Repo#getMirror(String)
* @see Repo#getRandomMirror(String)
*/
public static String getMirror(String urlString, Repo repo2) throws IOException {
if (repo2.hasMirrors()) {
@ -286,7 +286,7 @@ public class FDroidApp extends Application {
if (numTries == Integer.MAX_VALUE) {
numTries = repo2.getMirrorCount();
}
String mirror = repo2.getMirror(lastWorkingMirror);
String mirror = repo2.getRandomMirror(lastWorkingMirror);
String newUrl = urlString.replace(lastWorkingMirror, mirror);
Utils.debugLog(TAG, "Trying mirror " + mirror + " after " + lastWorkingMirror + " failed," +
" timeout=" + timeout / 1000 + "s");

View File

@ -380,12 +380,16 @@ public class Repo extends ValueObject {
}
/**
* Get a random mirror URL from the list of mirrors for this repo. It will
* remove the URL in {@code mirrorToSkip} from consideration before choosing
* which mirror to return.
* <p>
* The mirror logic assumes that it has a mirrors list with at least once
* valid entry in it. In the index format as defined by {@code fdroid update},
* there is always at least one valid URL: the canonical URL. That also means
* if there is only one item in the mirrors list, there are no other URLs to try.
* <p>
* The initial state of the repos in the database also include the canonical
* The initial state of the repos in the database also includes the canonical
* URL in the mirrors list so the mirror logic works on the first index
* update. That makes it possible to do the first index update via SD Card
* or USB OTG drive.
@ -394,16 +398,16 @@ public class Repo extends ValueObject {
* @see FDroidApp#getMirror(String, Repo)
* @see FDroidApp#getTimeout()
*/
public String getMirror(String lastWorkingMirror) {
if (TextUtils.isEmpty(lastWorkingMirror)) {
lastWorkingMirror = address;
public String getRandomMirror(String mirrorToSkip) {
if (TextUtils.isEmpty(mirrorToSkip)) {
mirrorToSkip = address;
}
List<String> shuffledMirrors = getMirrorList();
Collections.shuffle(shuffledMirrors);
if (shuffledMirrors.size() > 1) {
Collections.shuffle(shuffledMirrors);
for (String m : shuffledMirrors) {
// Return a non default, and not last used mirror
if (!m.equals(lastWorkingMirror)) {
if (!m.equals(mirrorToSkip)) {
if (FDroidApp.isUsingTor()) {
return m;
} else {