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[core] move retry logic to DefaultFileSource

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This commit is contained in:
Konstantin Käfer
2015-11-02 16:14:41 +01:00
parent 52558acde8
commit 4d5c6333be
39 changed files with 609 additions and 623 deletions
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87
test/storage/http_error.cpp
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@@ -19,67 +19,80 @@ TEST_F(Storage, HTTPError) {
using namespace mbgl;
uv_timer_t statusChange;
uv_timer_init(uv_default_loop(), &statusChange);
uv_timer_start(&statusChange, [](UV_TIMER_PARAMS) {
NetworkStatus::Reachable();
}, 500, 500);
uv_unref((uv_handle_t *)&statusChange);
DefaultFileSource fs(nullptr);
auto start = uv_hrtime();
const auto start = uv_hrtime();
Request* req1 = fs.request({ Resource::Unknown, "http://127.0.0.1:3000/temporary-error" }, uv_default_loop(),
[&](const Response &res) {
fs.cancel(req1);
const auto duration = double(uv_hrtime() - start) / 1e9;
EXPECT_LT(1, duration) << "Backoff timer didn't wait 1 second";
EXPECT_GT(1.2, duration) << "Backoff timer fired too late";
EXPECT_EQ(Response::Successful, res.status);
EXPECT_EQ(false, res.stale);
ASSERT_TRUE(res.data.get());
EXPECT_EQ("Hello World!", *res.data);
EXPECT_EQ(0, res.expires);
EXPECT_EQ(0, res.modified);
EXPECT_EQ("", res.etag);
EXPECT_EQ("", res.message);
HTTPTemporaryError.finish();
static int counter = 0;
switch (counter++) {
case 0: {
const auto duration = double(uv_hrtime() - start) / 1e9;
EXPECT_GT(0.2, duration) << "Initial error request took too long";
ASSERT_NE(nullptr, res.error);
EXPECT_EQ(Response::Error::Reason::Server, res.error->reason);
EXPECT_EQ("HTTP status code 500", res.error->message);
EXPECT_EQ(false, res.stale);
ASSERT_TRUE(res.data.get());
EXPECT_EQ("", *res.data);
EXPECT_EQ(0, res.expires);
EXPECT_EQ(0, res.modified);
EXPECT_EQ("", res.etag);
} break;
case 1: {
fs.cancel(req1);
const auto duration = double(uv_hrtime() - start) / 1e9;
EXPECT_LT(0.99, duration) << "Backoff timer didn't wait 1 second";
EXPECT_GT(1.2, duration) << "Backoff timer fired too late";
EXPECT_EQ(nullptr, res.error);
EXPECT_EQ(false, res.stale);
ASSERT_TRUE(res.data.get());
EXPECT_EQ("Hello World!", *res.data);
EXPECT_EQ(0, res.expires);
EXPECT_EQ(0, res.modified);
EXPECT_EQ("", res.etag);
HTTPTemporaryError.finish();
} break;
}
});
Request* req2 = fs.request({ Resource::Unknown, "http://127.0.0.1:3001/" }, uv_default_loop(),
[&](const Response &res) {
fs.cancel(req2);
static int counter = 0;
static int wait = 0;
const auto duration = double(uv_hrtime() - start) / 1e9;
// 1.5 seconds == 4 retries, with a 500ms timeout (see above).
EXPECT_LT(1.4, duration) << "Resource wasn't retried the correct number of times";
EXPECT_GT(1.7, duration) << "Resource wasn't retried the correct number of times";
EXPECT_EQ(Response::Error, res.status);
EXPECT_EQ(false, res.stale);
EXPECT_LT(wait - 0.01, duration) << "Backoff timer didn't wait 1 second";
EXPECT_GT(wait + 0.2, duration) << "Backoff timer fired too late";
ASSERT_NE(nullptr, res.error);
EXPECT_EQ(Response::Error::Reason::Connection, res.error->reason);
#ifdef MBGL_HTTP_NSURL
EXPECT_TRUE(res.message ==
"The operation couldn’t be completed. (NSURLErrorDomain error -1004.)" ||
res.message == "Could not connect to the server.")
<< "Full message is: \"" << res.message << "\"";
EXPECT_TRUE(res.error->message ==
"The operation couldn’t be completed. (NSURLErrorDomain error -1004.)" ||
res.error->message == "Could not connect to the server.")
<< "Full message is: \"" << res.error->message << "\"";
#elif MBGL_HTTP_CURL
const std::string prefix { "Couldn't connect to server: " };
EXPECT_STREQ(prefix.c_str(), res.message.substr(0, prefix.size()).c_str()) << "Full message is: \"" << res.message << "\"";
EXPECT_STREQ(prefix.c_str(), res.error->message.substr(0, prefix.size()).c_str()) << "Full message is: \"" << res.error->message << "\"";
#else
FAIL();
#endif
EXPECT_EQ(false, res.stale);
ASSERT_FALSE(res.data.get());
EXPECT_EQ(0, res.expires);
EXPECT_EQ(0, res.modified);
EXPECT_EQ("", res.etag);
HTTPConnectionError.finish();
if (counter == 2) {
fs.cancel(req2);
HTTPConnectionError.finish();
}
wait += (1 << counter);
counter++;
});
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
uv_timer_stop(&statusChange);
uv_close(reinterpret_cast<uv_handle_t *>(&statusChange), nullptr);
// Run again so that the timer handle can be properly closed.
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
}