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author | Leith Bade <leith@mapbox.com> | 2014-12-18 12:39:36 +1100 |
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committer | Leith Bade <leith@mapbox.com> | 2014-12-18 12:39:36 +1100 |
commit | 40f859e482e5282d0fbf257a9feaa9d70953a4fd (patch) | |
tree | 0fb920677d0ba92cedc64a4df9e1da045e891e75 /platform | |
parent | 6f56e88ee599160b336cce222384979a2b517343 (diff) | |
parent | a8dec01230a00f9e701fc6403110c4f5017ba905 (diff) | |
download | qtlocation-mapboxgl-40f859e482e5282d0fbf257a9feaa9d70953a4fd.tar.gz |
Merge branch 'master' of github.com:mapbox/mapbox-gl-native into android-mason
Conflicts:
gyp/mbgl-ios.gypi
gyp/mbgl-osx.gypi
platform/default/asset_request_libuv.cpp
src/mbgl/storage/caching_http_file_source.cpp
src/mbgl/storage/file_request.cpp
src/mbgl/storage/file_request.hpp
src/mbgl/storage/file_request_baton.hpp
Diffstat (limited to 'platform')
-rw-r--r-- | platform/darwin/application_root.mm | 18 | ||||
-rw-r--r-- | platform/default/application_root.cpp | 15 | ||||
-rw-r--r-- | platform/default/asset_request_libuv.cpp | 223 |
3 files changed, 256 insertions, 0 deletions
diff --git a/platform/darwin/application_root.mm b/platform/darwin/application_root.mm new file mode 100644 index 0000000000..19b872c54d --- /dev/null +++ b/platform/darwin/application_root.mm @@ -0,0 +1,18 @@ +#import <Foundation/Foundation.h> + +#include <mbgl/platform/platform.hpp> + +namespace mbgl { +namespace platform { + +// Returns the path to the default shader cache on this system. +std::string applicationRoot() { + static const std::string root = []() -> std::string { + NSString *path = [[[NSBundle mainBundle] resourceURL] path]; + return {[path cStringUsingEncoding : NSUTF8StringEncoding], + [path lengthOfBytesUsingEncoding:NSUTF8StringEncoding]}; + }(); + return root; +} +} +} diff --git a/platform/default/application_root.cpp b/platform/default/application_root.cpp new file mode 100644 index 0000000000..f25a44d46b --- /dev/null +++ b/platform/default/application_root.cpp @@ -0,0 +1,15 @@ +#include <mbgl/platform/platform.hpp> + +#include <mbgl/util/uv.hpp> + +namespace mbgl { +namespace platform { + +// Returns the path the application root. +std::string applicationRoot() { + static const std::string root = uv::cwd(); + return root; +} + +} +} diff --git a/platform/default/asset_request_libuv.cpp b/platform/default/asset_request_libuv.cpp new file mode 100644 index 0000000000..0e0b7280a7 --- /dev/null +++ b/platform/default/asset_request_libuv.cpp @@ -0,0 +1,223 @@ +#include <mbgl/storage/asset_request.hpp> +#include <mbgl/storage/response.hpp> +#include <mbgl/platform/platform.hpp> +#include <mbgl/util/std.hpp> + +#include <uv.h> + +#include <limits> + +namespace mbgl { + +struct AssetRequestBaton { + AssetRequestBaton(AssetRequest *request_, const std::string &path, uv_loop_t *loop); + ~AssetRequestBaton(); + + void cancel(); + static void fileOpened(uv_fs_t *req); + static void fileStated(uv_fs_t *req); + static void fileRead(uv_fs_t *req); + static void fileClosed(uv_fs_t *req); + static void notifyError(uv_fs_t *req); + static void cleanup(uv_fs_t *req); + + const std::thread::id threadId; + AssetRequest *request = nullptr; + uv_fs_t req; + uv_file fd = -1; + bool canceled = false; + std::string body; + uv_buf_t buffer; +}; + +AssetRequestBaton::AssetRequestBaton(AssetRequest *request_, const std::string &path, uv_loop_t *loop) + : threadId(std::this_thread::get_id()), request(request_) { + req.data = this; + uv_fs_open(loop, &req, path.c_str(), O_RDONLY, S_IRUSR, fileOpened); +} + +AssetRequestBaton::~AssetRequestBaton() { +} + +void AssetRequestBaton::cancel() { + canceled = true; + + // uv_cancel fails frequently when the request has already been started. + // In that case, we have to let it complete and check the canceled bool + // instead. + uv_cancel((uv_req_t *)&req); +} + +void AssetRequestBaton::notifyError(uv_fs_t *req) { + AssetRequestBaton *ptr = reinterpret_cast<AssetRequestBaton *>(req->data); + assert(std::this_thread::get_id() == ptr->threadId); + + if (ptr->request && req->result < 0 && !ptr->canceled && req->result != UV_ECANCELED) { + ptr->request->response = util::make_unique<Response>(); + ptr->request->response->code = req->result == UV_ENOENT ? 404 : 500; +#if UV_VERSION_MAJOR == 0 && UV_VERSION_MINOR <= 10 + ptr->request->response->message = uv_strerror(uv_last_error(req->loop)); +#else + ptr->request->response->message = uv_strerror(int(req->result)); +#endif + ptr->request->notify(); + } +} + +void AssetRequestBaton::fileOpened(uv_fs_t *req) { + AssetRequestBaton *ptr = reinterpret_cast<AssetRequestBaton *>(req->data); + assert(std::this_thread::get_id() == ptr->threadId); + + if (req->result < 0) { + // Opening failed or was canceled. There isn't much left we can do. + notifyError(req); + cleanup(req); + } else { + const uv_file fd = uv_file(req->result); + + // We're going to reuse this handle, so we need to cleanup first. + uv_fs_req_cleanup(req); + + if (ptr->canceled || !ptr->request) { + // Either the AssetRequest object has been destructed, or the + // request was canceled. + uv_fs_close(req->loop, req, fd, fileClosed); + } else { + ptr->fd = fd; + uv_fs_fstat(req->loop, req, fd, fileStated); + } + } +} + +void AssetRequestBaton::fileStated(uv_fs_t *req) { + AssetRequestBaton *ptr = reinterpret_cast<AssetRequestBaton *>(req->data); + assert(std::this_thread::get_id() == ptr->threadId); + + if (req->result != 0 || ptr->canceled || !ptr->request) { + // Stating failed or was canceled. We already have an open file handle + // though, which we'll have to close. + notifyError(req); + + uv_fs_req_cleanup(req); + uv_fs_close(req->loop, req, ptr->fd, fileClosed); + } else { +#if UV_VERSION_MAJOR == 0 && UV_VERSION_MINOR <= 10 + const uv_statbuf_t *stat = static_cast<const uv_statbuf_t *>(req->ptr); +#else + const uv_stat_t *stat = static_cast<const uv_stat_t *>(req->ptr); +#endif + if (stat->st_size > std::numeric_limits<int>::max()) { + // File is too large for us to open this way because uv_buf's only support unsigned + // ints as maximum size. + if (ptr->request) { + ptr->request->response = util::make_unique<Response>(); + ptr->request->response->code = UV_EFBIG; +#if UV_VERSION_MAJOR == 0 && UV_VERSION_MINOR <= 10 + ptr->request->response->message = uv_strerror(uv_err_t {UV_EFBIG, 0}); +#else + ptr->request->response->message = uv_strerror(UV_EFBIG); +#endif + ptr->request->notify(); + } + + uv_fs_req_cleanup(req); + uv_fs_close(req->loop, req, ptr->fd, fileClosed); + } else { + const unsigned int size = (unsigned int)(stat->st_size); + ptr->body.resize(size); + ptr->buffer = uv_buf_init(const_cast<char *>(ptr->body.data()), size); + uv_fs_req_cleanup(req); +#if UV_VERSION_MAJOR == 0 && UV_VERSION_MINOR <= 10 + uv_fs_read(req->loop, req, ptr->fd, ptr->buffer.base, ptr->buffer.len, -1, fileRead); +#else + uv_fs_read(req->loop, req, ptr->fd, &ptr->buffer, 1, 0, fileRead); +#endif + } + } +} + +void AssetRequestBaton::fileRead(uv_fs_t *req) { + AssetRequestBaton *ptr = reinterpret_cast<AssetRequestBaton *>(req->data); + assert(std::this_thread::get_id() == ptr->threadId); + + if (req->result < 0 || ptr->canceled || !ptr->request) { + // Reading failed or was canceled. We already have an open file handle + // though, which we'll have to close. + notifyError(req); + } else { + // File was successfully read. + if (ptr->request) { + ptr->request->response = util::make_unique<Response>(); + ptr->request->response->code = 200; + ptr->request->response->data = std::move(ptr->body); + ptr->request->notify(); + } + } + + uv_fs_req_cleanup(req); + uv_fs_close(req->loop, req, ptr->fd, fileClosed); +} + +void AssetRequestBaton::fileClosed(uv_fs_t *req) { + assert(std::this_thread::get_id() == (reinterpret_cast<AssetRequestBaton *>(req->data))->threadId); + + if (req->result < 0) { + // Closing the file failed. But there isn't anything we can do. + } + + cleanup(req); +} + +void AssetRequestBaton::cleanup(uv_fs_t *req) { + AssetRequestBaton *ptr = reinterpret_cast<AssetRequestBaton *>(req->data); + assert(std::this_thread::get_id() == ptr->threadId); + + if (ptr->request) { + ptr->request->ptr = nullptr; + } + + uv_fs_req_cleanup(req); + delete ptr; + ptr = nullptr; +} + + +AssetRequest::AssetRequest(const std::string &path_, uv_loop_t *loop) + : BaseRequest(path_) { + if (!path.empty() && path[0] == '/') { + // This is an absolute path. We don't allow this. Note that this is not a way to absolutely + // prevent access to resources outside the application bundle; e.g. there could be symlinks + // in the application bundle that link to outside. We don't care about these. + response = util::make_unique<Response>(); + response->code = 403; + response->message = "Path is outside the application bundle"; + notify(); + } else { + // Note: The AssetRequestBaton object is deleted in AssetRequestBaton::cleanup(). + ptr = new AssetRequestBaton(this, platform::applicationRoot() + "/" + path, loop); + } +} + +void AssetRequest::cancel() { + assert(std::this_thread::get_id() == threadId); + + if (ptr) { + ptr->cancel(); + + // When deleting a AssetRequest object with a uv_fs_* call is in progress, we are making sure + // that the callback doesn't accidentally reference this object again. + ptr->request = nullptr; + ptr = nullptr; + } + + notify(); +} + +AssetRequest::~AssetRequest() { + assert(std::this_thread::get_id() == threadId); + cancel(); + + // Note: The AssetRequestBaton object is deleted in AssetRequestBaton::cleanup(). +} + +} |