125 lines
3.8 KiB
C++
125 lines
3.8 KiB
C++
#include <mbgl/storage/file_source_manager.hpp>
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#include <mbgl/storage/resource.hpp>
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#include <mbgl/storage/resource_options.hpp>
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#include <mbgl/util/async_request.hpp>
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#include <mbgl/util/client_options.hpp>
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#include <mbgl/util/logging.hpp>
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#include <atomic>
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#include "file_source.hpp"
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namespace mbgl {
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std::atomic_size_t requestCount{0};
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std::atomic_size_t transferredSize{0};
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std::atomic_bool active{false};
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std::atomic_bool offline{true};
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ProxyFileSource::ProxyFileSource(std::shared_ptr<FileSource> defaultResourceLoader_, const ResourceOptions& resourceOptions_, const ClientOptions& clientOptions_)
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: defaultResourceLoader(std::move(defaultResourceLoader_)),
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resourceOptions(resourceOptions_.clone()), clientOptions(clientOptions_.clone()) {
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assert(defaultResourceLoader);
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if (offline) {
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std::shared_ptr<FileSource> dbfs = FileSourceManager::get()->getFileSource(FileSourceType::Database, resourceOptions_, clientOptions_);
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dbfs->setProperty(READ_ONLY_MODE_KEY, true);
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}
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}
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ProxyFileSource::~ProxyFileSource() = default;
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std::unique_ptr<AsyncRequest> ProxyFileSource::request(const Resource& resource, Callback callback) {
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auto transformed = resource;
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// If offline, force always loading the resource from the cache
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// so we don't make any network request.
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if (offline) {
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transformed.loadingMethod = Resource::LoadingMethod::CacheOnly;
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}
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// This is needed for compatibility with the style tests that
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// are using local:// instead of http:// which is the schema
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// we support for cached files.
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if (transformed.url.compare(0, 8, "local://") == 0) {
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transformed.url.replace(0, 8, "http://");
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if (transformed.kind == Resource::Kind::Tile && transformed.tileData) {
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transformed.tileData->urlTemplate.replace(0, 8, "http://");
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}
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}
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if (transformed.url.compare(0, 22, "http://localhost:2900/") == 0) {
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transformed.url.replace(0, 22, "http://");
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if (transformed.kind == Resource::Kind::Tile && transformed.tileData) {
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transformed.tileData->urlTemplate.replace(0, 22, "http://");
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}
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}
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return defaultResourceLoader->request(transformed, [=](Response response) {
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if (transformed.loadingMethod == Resource::LoadingMethod::CacheOnly && response.noContent) {
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if (transformed.kind == Resource::Kind::Tile && transformed.tileData) {
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mbgl::Log::Info(mbgl::Event::Database,
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"Resource not found in cache: " +
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transformed.url + "(" +
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transformed.tileData->urlTemplate + ")");
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} else {
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mbgl::Log::Info(mbgl::Event::Database, "Resource not found in cache: " + transformed.url);
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}
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}
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std::size_t size = response.data != nullptr ? response.data->size() : 0;
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if (active) {
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requestCount++;
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transferredSize += size;
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}
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callback(response);
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});
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}
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void ProxyFileSource::setResourceOptions(ResourceOptions options) {
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resourceOptions = options;
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}
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ResourceOptions ProxyFileSource::getResourceOptions() {
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return resourceOptions.clone();
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}
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void ProxyFileSource::setClientOptions(ClientOptions options) {
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clientOptions = options;
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}
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ClientOptions ProxyFileSource::getClientOptions() {
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return clientOptions.clone();
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}
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// static
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void ProxyFileSource::setOffline(bool status) {
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offline = status;
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}
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// static
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void ProxyFileSource::setTrackingActive(bool active_) {
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active = active_;
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requestCount = 0;
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transferredSize = 0;
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}
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// static
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bool ProxyFileSource::isTrackingActive() {
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return active;
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}
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// static
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size_t ProxyFileSource::getRequestCount() {
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return requestCount;
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}
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// static
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size_t ProxyFileSource::getTransferredSize() {
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return transferredSize;
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}
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} // namespace mbgl
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