Method Load

launcher/net/HttpMetaCache.cpp:197–244

}

void HttpMetaCache::Load()
{
    if (m_index_file.isNull())
        return;

    QFile index(m_index_file);
    if (!index.open(QIODevice::ReadOnly))
        return;

    QJsonDocument json = QJsonDocument::fromJson(index.readAll());

    auto root = Json::requireObject(json, "HttpMetaCache root");

    // check file version first
    auto version_val = Json::ensureString(root, "version");
    if (version_val != "1")
        return;

    // read the entry array
    auto array = Json::ensureArray(root, "entries");
    for (auto element : array) {
        auto element_obj = Json::ensureObject(element);
        auto base = Json::ensureString(element_obj, "base");
        if (!m_entries.contains(base))
            continue;

        auto& entrymap = m_entries[base];

        auto foo = new MetaEntry();
        foo->baseId = base;
        foo->relativePath = Json::ensureString(element_obj, "path");
        foo->md5sum = Json::ensureString(element_obj, "md5sum");
        foo->etag = Json::ensureString(element_obj, "etag");
        foo->local_changed_timestamp = Json::ensureDouble(element_obj, "last_changed_timestamp");
        foo->remote_changed_timestamp = Json::ensureString(element_obj, "remote_changed_timestamp");

        foo->makeEternal(Json::ensureBoolean(element_obj, "eternal", false));
        if (!foo->isEternal()) {
            foo->current_age = Json::ensureDouble(element_obj, "current_age");
            foo->max_age = Json::ensureDouble(element_obj, "max_age");
        }

        // presumed innocent until closer examination
        foo->stale = false;

        entrymap.entry_list[foo->relativePath] = MetaEntryPtr(foo);
    }
}

void HttpMetaCache::SaveEventually()
{