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Merge pull request #6546 from spycrab/updater_ui
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Implement Updater UI
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leoetlino committed Mar 28, 2018
2 parents 21a2c02 + 429dc54 commit 03a6a9b
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Showing 8 changed files with 298 additions and 19 deletions.
35 changes: 28 additions & 7 deletions Source/Core/Common/HttpRequest.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,10 @@

#include <chrono>
#include <cstddef>
#include <curl/curl.h>
#include <mutex>

#include <curl/curl.h>

#include "Common/Logging/Log.h"
#include "Common/ScopeGuard.h"
#include "Common/StringUtil.h"
Expand All @@ -24,23 +25,27 @@ class HttpRequest::Impl final
POST,
};

explicit Impl(std::chrono::milliseconds timeout_ms);
explicit Impl(std::chrono::milliseconds timeout_ms, ProgressCallback callback);

bool IsValid() const;
Response Fetch(const std::string& url, Method method, const Headers& headers, const u8* payload,
size_t size);

static int CurlProgressCallback(Impl* impl, double dlnow, double dltotal, double ulnow,
double ultotal);

private:
static std::mutex s_curl_was_inited_mutex;
static bool s_curl_was_inited;
ProgressCallback m_callback;
std::unique_ptr<CURL, decltype(&curl_easy_cleanup)> m_curl{nullptr, curl_easy_cleanup};
};

std::mutex HttpRequest::Impl::s_curl_was_inited_mutex;
bool HttpRequest::Impl::s_curl_was_inited = false;

HttpRequest::HttpRequest(std::chrono::milliseconds timeout_ms)
: m_impl(std::make_unique<Impl>(timeout_ms))
HttpRequest::HttpRequest(std::chrono::milliseconds timeout_ms, ProgressCallback callback)
: m_impl(std::make_unique<Impl>(timeout_ms, callback))
{
}

Expand Down Expand Up @@ -69,7 +74,15 @@ HttpRequest::Response HttpRequest::Post(const std::string& url, const std::strin
reinterpret_cast<const u8*>(payload.data()), payload.size());
}

HttpRequest::Impl::Impl(std::chrono::milliseconds timeout_ms)
int HttpRequest::Impl::CurlProgressCallback(Impl* impl, double dlnow, double dltotal, double ulnow,
double ultotal)
{
// Abort if callback isn't true
return !impl->m_callback(dlnow, dltotal, ulnow, ultotal);
}

HttpRequest::Impl::Impl(std::chrono::milliseconds timeout_ms, ProgressCallback callback)
: m_callback(callback)
{
{
std::lock_guard<std::mutex> lk(s_curl_was_inited_mutex);
Expand All @@ -84,6 +97,14 @@ HttpRequest::Impl::Impl(std::chrono::milliseconds timeout_ms)
if (!m_curl)
return;

curl_easy_setopt(m_curl.get(), CURLOPT_NOPROGRESS, m_callback == nullptr);

if (m_callback)
{
curl_easy_setopt(m_curl.get(), CURLOPT_PROGRESSDATA, this);
curl_easy_setopt(m_curl.get(), CURLOPT_PROGRESSFUNCTION, CurlProgressCallback);
}

// libcurl may not have been built with async DNS support, so we disable
// signal handlers to avoid a possible and likely crash if a resolve times out.
curl_easy_setopt(m_curl.get(), CURLOPT_NOSIGNAL, true);
Expand All @@ -99,7 +120,7 @@ bool HttpRequest::Impl::IsValid() const
return m_curl != nullptr;
}

static size_t CurlCallback(char* data, size_t size, size_t nmemb, void* userdata)
static size_t CurlWriteCallback(char* data, size_t size, size_t nmemb, void* userdata)
{
auto* buffer = static_cast<std::vector<u8>*>(userdata);
const size_t actual_size = size * nmemb;
Expand Down Expand Up @@ -133,7 +154,7 @@ HttpRequest::Response HttpRequest::Impl::Fetch(const std::string& url, Method me
curl_easy_setopt(m_curl.get(), CURLOPT_HTTPHEADER, list);

std::vector<u8> buffer;
curl_easy_setopt(m_curl.get(), CURLOPT_WRITEFUNCTION, CurlCallback);
curl_easy_setopt(m_curl.get(), CURLOPT_WRITEFUNCTION, CurlWriteCallback);
curl_easy_setopt(m_curl.get(), CURLOPT_WRITEDATA, &buffer);

const char* type = method == Method::POST ? "POST" : "GET";
Expand Down
8 changes: 7 additions & 1 deletion Source/Core/Common/HttpRequest.h
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
#pragma once

#include <chrono>
#include <functional>
#include <map>
#include <memory>
#include <optional>
Expand All @@ -18,7 +19,12 @@ namespace Common
class HttpRequest final
{
public:
explicit HttpRequest(std::chrono::milliseconds timeout_ms = std::chrono::milliseconds{3000});
// Return false to abort the request
using ProgressCallback =
std::function<bool(double dlnow, double dltotal, double ulnow, double ultotal)>;

explicit HttpRequest(std::chrono::milliseconds timeout_ms = std::chrono::milliseconds{3000},
ProgressCallback callback = nullptr);
~HttpRequest();
bool IsValid() const;

Expand Down
71 changes: 61 additions & 10 deletions Source/Core/Updater/Main.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
#include <mbedtls/sha256.h>
#include <optional>
#include <shellapi.h>
#include <thread>
#include <vector>
#include <zlib.h>

Expand All @@ -23,6 +24,8 @@
#include "Common/HttpRequest.h"
#include "Common/StringUtil.h"

#include "Updater/UI.h"

namespace
{
// Public key used to verify update manifests.
Expand Down Expand Up @@ -286,6 +289,7 @@ std::optional<Manifest> ParseManifest(const std::string& manifest)
return parsed;
}

// Not showing a progress bar here because this part is just too quick
std::optional<Manifest> FetchAndParseManifest(const std::string& url)
{
Common::HttpRequest http;
Expand Down Expand Up @@ -336,7 +340,12 @@ std::optional<Manifest> FetchAndParseManifest(const std::string& url)
// Represent the operations to be performed by the updater.
struct TodoList
{
std::vector<Manifest::Hash> to_download;
struct DownloadOp
{
Manifest::Filename filename;
Manifest::Hash hash;
};
std::vector<DownloadOp> to_download;

struct UpdateOp
{
Expand Down Expand Up @@ -405,7 +414,11 @@ TodoList ComputeActionsToDo(Manifest this_manifest, Manifest next_manifest)

if (!old_hash || *old_hash != entry.second)
{
todo.to_download.push_back(entry.second);
TodoList::DownloadOp download;
download.filename = entry.first;
download.hash = entry.second;

todo.to_download.push_back(std::move(download));

TodoList::UpdateOp update;
update.filename = entry.first;
Expand Down Expand Up @@ -454,8 +467,8 @@ std::optional<std::string> FindOrCreateTempDir(const std::string& base_path)
void CleanUpTempDir(const std::string& temp_dir, const TodoList& todo)
{
// This is best-effort cleanup, we ignore most errors.
for (const auto& hash : todo.to_download)
File::Delete(temp_dir + DIR_SEP + HexEncode(hash.data(), hash.size()));
for (const auto& download : todo.to_download)
File::Delete(temp_dir + DIR_SEP + HexEncode(download.hash.data(), download.hash.size()));
File::DeleteDir(temp_dir);
}

Expand All @@ -469,13 +482,25 @@ Manifest::Hash ComputeHash(const std::string& contents)
return out;
}

bool DownloadContent(const std::vector<Manifest::Hash>& to_download,
bool ProgressCallback(double total, double now, double, double)
{
UI::SetProgress(static_cast<int>(now), static_cast<int>(total));
return true;
}

bool DownloadContent(const std::vector<TodoList::DownloadOp>& to_download,
const std::string& content_base_url, const std::string& temp_path)
{
Common::HttpRequest req(std::chrono::seconds(30));
for (const auto& h : to_download)
Common::HttpRequest req(std::chrono::seconds(30), ProgressCallback);

for (size_t i = 0; i < to_download.size(); i++)
{
std::string hash_filename = HexEncode(h.data(), h.size());
auto& download = to_download[i];

std::string hash_filename = HexEncode(download.hash.data(), download.hash.size());
UI::SetDescription("Downloading " + download.filename + "... (File " + std::to_string(i + 1) +
" of " + std::to_string(to_download.size()) + ")");
UI::SetMarquee(false);

// Add slashes where needed.
std::string content_store_path = hash_filename;
Expand All @@ -484,10 +509,14 @@ bool DownloadContent(const std::vector<Manifest::Hash>& to_download,

std::string url = content_base_url + content_store_path;
fprintf(log_fp, "Downloading %s ...\n", url.c_str());

auto resp = req.Get(url);
if (!resp)
return false;

UI::SetMarquee(true);
UI::SetDescription("Verifying " + download.filename + "...");

std::string contents(reinterpret_cast<char*>(resp->data()), resp->size());
std::optional<std::string> maybe_decompressed = GzipInflate(contents);
if (!maybe_decompressed)
Expand All @@ -496,7 +525,7 @@ bool DownloadContent(const std::vector<Manifest::Hash>& to_download,

// Check that the downloaded contents have the right hash.
Manifest::Hash contents_hash = ComputeHash(decompressed);
if (contents_hash != h)
if (contents_hash != download.hash)
{
fprintf(log_fp, "Wrong hash on downloaded content %s.\n", url.c_str());
return false;
Expand Down Expand Up @@ -631,9 +660,11 @@ void FatalError(const std::string& message)
MessageBox(nullptr,
(L"A fatal error occured and the updater cannot continue:\n " + wide_message).c_str(),
L"Error", MB_ICONERROR);

fprintf(log_fp, "%s\n", message.c_str());
}

UI::Stop();
}
} // namespace

int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow)
Expand Down Expand Up @@ -671,6 +702,11 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine
fprintf(log_fp, "Completed! Proceeding with update.\n");
}

std::thread thread(UI::MessageLoop);
thread.detach();

UI::SetDescription("Fetching and parsing manifests...");

Manifest this_manifest, next_manifest;
{
std::optional<Manifest> maybe_manifest = FetchAndParseManifest(opts.this_manifest_url);
Expand All @@ -690,6 +726,8 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine
next_manifest = std::move(*maybe_manifest);
}

UI::SetDescription("Computing what to do...");

TodoList todo = ComputeActionsToDo(this_manifest, next_manifest);
todo.Log();

Expand All @@ -698,16 +736,29 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine
return 1;
std::string temp_dir = std::move(*maybe_temp_dir);

UI::SetDescription("Performing Update...");

bool ok = PerformUpdate(todo, opts.install_base_path, opts.content_store_url, temp_dir);
if (!ok)
FatalError("Failed to apply the update.");

CleanUpTempDir(temp_dir, todo);

UI::ResetProgress();
UI::SetMarquee(false);
UI::SetProgress(100, 100);
UI::SetDescription("Done!");

// Let the user process that we are done.
Sleep(1000);

if (opts.binary_to_restart)
{
ShellExecuteW(nullptr, L"open", UTF8ToUTF16(*opts.binary_to_restart).c_str(), L"", nullptr,
SW_SHOW);
}

UI::Stop();

return !ok;
}

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