86ee5c9477
isDir can be a huge performance issue when watching a network based directory and can effectively block the thread almost completely in case of frequent file changes. This does mean than high-level code now needs to perform the check manually, if required, and the free information provided by inotify goes unused.
87 lines
2.2 KiB
D
87 lines
2.2 KiB
D
/++ dub.sdl:
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name "test"
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dependency "eventcore" path=".."
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+/
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module test;
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import eventcore.core;
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import std.file : exists, isDir, mkdir, remove, rmdirRecurse;
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import std.path : buildPath;
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import std.stdio : File, writefln;
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import core.time : Duration, msecs;
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bool s_done;
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int s_cnt = 0;
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enum testDir = "watcher_test";
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enum testFilename = "test.dat";
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void main()
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{
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if (exists(testDir))
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rmdirRecurse(testDir);
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mkdir(testDir);
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scope (exit) rmdirRecurse(testDir);
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auto id = eventDriver.watchers.watchDirectory(testDir, false, (id, ref change) {
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try {
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if (change.kind == FileChangeKind.modified && isDir(buildPath(change.baseDirectory, change.directory, change.name)))
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return;
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} catch (Exception e) assert(false, e.msg);
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switch (s_cnt++) {
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default:
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import std.conv : to;
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assert(false, "Unexpected change: "~change.to!string);
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case 0:
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assert(change.kind == FileChangeKind.added);
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assert(change.baseDirectory == testDir);
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assert(change.directory == "");
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assert(change.name == testFilename);
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break;
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case 1:
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assert(change.kind == FileChangeKind.modified);
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assert(change.baseDirectory == testDir);
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assert(change.directory == "");
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assert(change.name == testFilename);
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break;
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case 2:
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assert(change.kind == FileChangeKind.removed);
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assert(change.baseDirectory == testDir);
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assert(change.directory == "");
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assert(change.name == testFilename);
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eventDriver.watchers.releaseRef(id);
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s_done = true;
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break;
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}
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});
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File fil;
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auto tm = eventDriver.timers.create();
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eventDriver.timers.set(tm, 500.msecs, 0.msecs);
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eventDriver.timers.wait(tm, (tm) {
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try fil = File(testDir~"/"~testFilename, "wt");
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catch (Exception e) assert(false, e.msg);
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eventDriver.timers.set(tm, 1500.msecs, 0.msecs);
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eventDriver.timers.wait(tm, (tm) {
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scope (failure) assert(false);
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fil.write("test");
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fil.close();
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eventDriver.timers.set(tm, 1500.msecs, 0.msecs);
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eventDriver.timers.wait(tm, (tm) {
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scope (failure) assert(false);
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remove(testDir~"/"~testFilename);
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});
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});
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});
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ExitReason er;
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do er = eventDriver.core.processEvents(Duration.max);
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while (er == ExitReason.idle);
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assert(er == ExitReason.outOfWaiters);
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assert(s_done);
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s_done = false;
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}
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