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2016-08-24CLOUD: Add Dropbox into CloudManager's configsAlexander Tkachev
This commit adds: * ConfMan's new "cloud" domain; * CloudManager's init() method, where it loads keys from "cloud" configs domain; * CurlJsonRequest's addHeader() and addPostField() methods; * temporary Storage's printInfo() method; * DropboxStorage's implementation of printInfo(), which is using access token and user id; * DropboxStorage's loadFromConfig() static method to load access token and user id from configs and create a Storage instance with those; * temporary DropboxStorage's authThroughConsole() static method, which guides user through auth process from the console. So, in CloudManager's init() implementation ScummVM checks that there is "current_storage_type" key in "cloud" domain of configs, and loads corresponding storage if there is such key. If there is no such key, ScummVM offers user to auth with Dropbox. That's done through console, and thus it's temporary (it also requires restarting ScummVM twice and manually editing config.ini file).
2016-08-24CLOUD: Fix CurlJsonRequestAlexander Tkachev
It's using MemoryWriteStreamDynamic instead of String and it prepares raw byte contents of this stream for JSON::parse().
2016-08-24CLOUD: Add CurlJsonRequestAlexander Tkachev
Now we can do REST API request by creating CurlJsonRequest and waiting for it to call our callback. Passed pointer is Common::JSONValue. This commit also does some minor variable renaming fixes.
2016-08-24CLOUD: Rewrite NetworkReadStreamAlexander Tkachev
Now it is based on MemoryReadWriteStream, which is introduced by this commit. This stream is using ring buffer and is dynamically increasing its size when necessary.
2016-08-24CLOUD: Add ConnectionManager and NetworkReadStreamAlexander Tkachev
NetworkReadStream actually saves whole response in the memory now. There is a pause mechanism in libcurl, but if libcurl is requesting something compressed, it would have to uncompress data as it goes even if we paused the request. Even though our own stream won't be notified about this data when when "pause" the request, libcurl's own buffer wound be expanding.
2016-08-24CLOUD: Add CurlRequestAlexander Tkachev
CurlRequest uses own multi_handle, in which it creates an easy_handle to make a request. Every time `handle()` is called it checks whether request is complete and, if it is, stops.
2016-08-24CLOUD: Fix GCC static cloudThread compile errorAlexander Tkachev
It's not static anymore.
2016-08-24CLOUD: Add first RequestAlexander Tkachev
Just fooling around with the example Request, but the idea works well.
2016-08-24CLOUD: Do minor fixesAlexander Tkachev
2016-08-24CLOUD: Add Cloud::Manager and Cloud::StorageAlexander Tkachev
This commit introduces Common::CloudManager, which can be accessed from OSystem. The backend for this manager is Cloud::Manager (defined in backends/cloud/manager.h). It should load all users storages from configs and provide access to current Storage instance. For now it just creates a new one. Cloud::Storage (backends/cloud/storage.h) provides an API to interact with cloud storage, for example, create new directory or sync files. Right now it's not ready and has only two dummy methods: listDirectory() and syncSaves(). There is Cloud::Dropbox::DropboxStorage backend (backends/cloud/dropbox/dropboxstorage.h) for Cloud::Storage. Right now it implements both listDirectory() and syncSaves() with starting timer task and handling it by printing out some JSON examples.
2016-08-24CLOUD: Integrate CloudThread into OSystemAlexander Tkachev
Would be changed soon.
2016-08-24CLOUD: Refactor SimpleJSONAlexander Tkachev
2016-08-24CLOUD: SimpleJSON refactorAlexander Tkachev
Resharper + manual methods & fields renaming.
2016-08-24CLOUD: Add SimpleJSON library as Common::JSONAlexander Tkachev
This commit also adds CloudThread class, which work() method is called every second by TimerManager. Right now it prints JSON examples on the console, so that's why it's introduced with SimpleJSON library.