summaryrefslogtreecommitdiffstats
path: root/logic/net/HttpMetaCache.cpp
diff options
context:
space:
mode:
authorAndrew <forkk@forkk.net>2013-11-04 19:58:56 -0600
committerAndrew <forkk@forkk.net>2013-11-04 19:58:56 -0600
commit5083a6a8090fa03d3c1800c1f9588079ca11e9f9 (patch)
tree7c2e88c7184a7f5acf5e7a03be5c5f0bf6904113 /logic/net/HttpMetaCache.cpp
parentdc3b0fcb2b74aeede37b08216b203cab284f7fce (diff)
parentbb7e8985f6d189de0acac6a1c3033cb16378c1fb (diff)
downloadMultiMC-5083a6a8090fa03d3c1800c1f9588079ca11e9f9.tar
MultiMC-5083a6a8090fa03d3c1800c1f9588079ca11e9f9.tar.gz
MultiMC-5083a6a8090fa03d3c1800c1f9588079ca11e9f9.tar.lz
MultiMC-5083a6a8090fa03d3c1800c1f9588079ca11e9f9.tar.xz
MultiMC-5083a6a8090fa03d3c1800c1f9588079ca11e9f9.zip
Merge branch 'develop' of github.com:MultiMC/MultiMC5 into develop
Diffstat (limited to 'logic/net/HttpMetaCache.cpp')
-rw-r--r--logic/net/HttpMetaCache.cpp129
1 files changed, 74 insertions, 55 deletions
diff --git a/logic/net/HttpMetaCache.cpp b/logic/net/HttpMetaCache.cpp
index 5ba5b98d..29007951 100644
--- a/logic/net/HttpMetaCache.cpp
+++ b/logic/net/HttpMetaCache.cpp
@@ -1,3 +1,18 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
#include "MultiMC.h"
#include "HttpMetaCache.h"
#include <pathutils.h>
@@ -9,7 +24,7 @@
#include <QDateTime>
#include <QCryptographicHash>
-#include <logger/QsLog.h>
+#include "logger/QsLog.h"
#include <QJsonDocument>
#include <QJsonArray>
@@ -20,14 +35,12 @@ QString MetaEntry::getFullPath()
return PathCombine(MMC->metacache()->getBasePath(base), path);
}
-
-HttpMetaCache::HttpMetaCache(QString path)
- :QObject()
+HttpMetaCache::HttpMetaCache(QString path) : QObject()
{
m_index_file = path;
saveBatchingTimer.setSingleShot(true);
saveBatchingTimer.setTimerType(Qt::VeryCoarseTimer);
- connect(&saveBatchingTimer,SIGNAL(timeout()),SLOT(SaveNow()));
+ connect(&saveBatchingTimer, SIGNAL(timeout()), SLOT(SaveNow()));
}
HttpMetaCache::~HttpMetaCache()
@@ -36,58 +49,61 @@ HttpMetaCache::~HttpMetaCache()
SaveNow();
}
-MetaEntryPtr HttpMetaCache::getEntry ( QString base, QString resource_path )
+MetaEntryPtr HttpMetaCache::getEntry(QString base, QString resource_path)
{
// no base. no base path. can't store
- if(!m_entries.contains(base))
+ if (!m_entries.contains(base))
{
// TODO: log problem
return MetaEntryPtr();
}
- EntryMap & map = m_entries[base];
- if(map.entry_list.contains(resource_path))
+ EntryMap &map = m_entries[base];
+ if (map.entry_list.contains(resource_path))
{
return map.entry_list[resource_path];
}
return MetaEntryPtr();
}
-MetaEntryPtr HttpMetaCache::resolveEntry ( QString base, QString resource_path, QString expected_etag )
+MetaEntryPtr HttpMetaCache::resolveEntry(QString base, QString resource_path,
+ QString expected_etag)
{
auto entry = getEntry(base, resource_path);
// it's not present? generate a default stale entry
- if(!entry)
+ if (!entry)
{
return staleEntry(base, resource_path);
}
-
- auto & selected_base = m_entries[base];
+
+ auto &selected_base = m_entries[base];
QString real_path = PathCombine(selected_base.base_path, resource_path);
QFileInfo finfo(real_path);
-
+
// is the file really there? if not -> stale
- if(!finfo.isFile() || !finfo.isReadable())
+ if (!finfo.isFile() || !finfo.isReadable())
{
// if the file doesn't exist, we disown the entry
selected_base.entry_list.remove(resource_path);
return staleEntry(base, resource_path);
}
-
- if(!expected_etag.isEmpty() && expected_etag != entry->etag)
+
+ if (!expected_etag.isEmpty() && expected_etag != entry->etag)
{
// if the etag doesn't match expected, we disown the entry
selected_base.entry_list.remove(resource_path);
return staleEntry(base, resource_path);
}
-
+
// if the file changed, check md5sum
qint64 file_last_changed = finfo.lastModified().toUTC().toMSecsSinceEpoch();
- if(file_last_changed != entry->local_changed_timestamp)
+ if (file_last_changed != entry->local_changed_timestamp)
{
QFile input(real_path);
input.open(QIODevice::ReadOnly);
- QString md5sum = QCryptographicHash::hash(input.readAll(), QCryptographicHash::Md5).toHex().constData();
- if(entry->md5sum != md5sum)
+ QString md5sum = QCryptographicHash::hash(input.readAll(), QCryptographicHash::Md5)
+ .toHex()
+ .constData();
+ if (entry->md5sum != md5sum)
{
selected_base.entry_list.remove(resource_path);
return staleEntry(base, resource_path);
@@ -101,14 +117,15 @@ MetaEntryPtr HttpMetaCache::resolveEntry ( QString base, QString resource_path,
return entry;
}
-bool HttpMetaCache::updateEntry ( MetaEntryPtr stale_entry )
+bool HttpMetaCache::updateEntry(MetaEntryPtr stale_entry)
{
- if(!m_entries.contains(stale_entry->base))
+ if (!m_entries.contains(stale_entry->base))
{
- QLOG_ERROR() << "Cannot add entry with unknown base: " << stale_entry->base.toLocal8Bit();
+ QLOG_ERROR() << "Cannot add entry with unknown base: "
+ << stale_entry->base.toLocal8Bit();
return false;
}
- if(stale_entry->stale)
+ if (stale_entry->stale)
{
QLOG_ERROR() << "Cannot add stale entry: " << stale_entry->getFullPath().toLocal8Bit();
return false;
@@ -127,10 +144,10 @@ MetaEntryPtr HttpMetaCache::staleEntry(QString base, QString resource_path)
return MetaEntryPtr(foo);
}
-void HttpMetaCache::addBase ( QString base, QString base_root )
+void HttpMetaCache::addBase(QString base, QString base_root)
{
// TODO: report error
- if(m_entries.contains(base))
+ if (m_entries.contains(base))
return;
// TODO: check if the base path is valid
EntryMap foo;
@@ -138,57 +155,57 @@ void HttpMetaCache::addBase ( QString base, QString base_root )
m_entries[base] = foo;
}
-QString HttpMetaCache::getBasePath ( QString base )
+QString HttpMetaCache::getBasePath(QString base)
{
- if(m_entries.contains(base))
+ if (m_entries.contains(base))
{
return m_entries[base].base_path;
}
return QString();
}
-
void HttpMetaCache::Load()
{
QFile index(m_index_file);
- if(!index.open(QIODevice::ReadOnly))
+ if (!index.open(QIODevice::ReadOnly))
return;
-
+
QJsonDocument json = QJsonDocument::fromJson(index.readAll());
- if(!json.isObject())
+ if (!json.isObject())
return;
auto root = json.object();
// check file version first
- auto version_val =root.value("version");
- if(!version_val.isString())
+ auto version_val = root.value("version");
+ if (!version_val.isString())
return;
- if(version_val.toString() != "1")
+ if (version_val.toString() != "1")
return;
-
+
// read the entry array
- auto entries_val =root.value("entries");
- if(!entries_val.isArray())
+ auto entries_val = root.value("entries");
+ if (!entries_val.isArray())
return;
QJsonArray array = entries_val.toArray();
- for(auto element: array)
+ for (auto element : array)
{
- if(!element.isObject())
+ if (!element.isObject())
return;
auto element_obj = element.toObject();
QString base = element_obj.value("base").toString();
- if(!m_entries.contains(base))
+ if (!m_entries.contains(base))
continue;
- auto & entrymap = m_entries[base];
+ auto &entrymap = m_entries[base];
auto foo = new MetaEntry;
foo->base = base;
QString path = foo->path = element_obj.value("path").toString();
foo->md5sum = element_obj.value("md5sum").toString();
foo->etag = element_obj.value("etag").toString();
foo->local_changed_timestamp = element_obj.value("last_changed_timestamp").toDouble();
- foo->remote_changed_timestamp = element_obj.value("remote_changed_timestamp").toString();
+ foo->remote_changed_timestamp =
+ element_obj.value("remote_changed_timestamp").toString();
// presumed innocent until closer examination
foo->stale = false;
- entrymap.entry_list[path] = MetaEntryPtr( foo );
+ entrymap.entry_list[path] = MetaEntryPtr(foo);
}
}
@@ -202,33 +219,35 @@ void HttpMetaCache::SaveEventually()
void HttpMetaCache::SaveNow()
{
QSaveFile tfile(m_index_file);
- if(!tfile.open(QIODevice::WriteOnly | QIODevice::Truncate))
+ if (!tfile.open(QIODevice::WriteOnly | QIODevice::Truncate))
return;
QJsonObject toplevel;
- toplevel.insert("version",QJsonValue(QString("1")));
+ toplevel.insert("version", QJsonValue(QString("1")));
QJsonArray entriesArr;
- for(auto group : m_entries)
+ for (auto group : m_entries)
{
- for(auto entry : group.entry_list)
+ for (auto entry : group.entry_list)
{
QJsonObject entryObj;
entryObj.insert("base", QJsonValue(entry->base));
entryObj.insert("path", QJsonValue(entry->path));
entryObj.insert("md5sum", QJsonValue(entry->md5sum));
entryObj.insert("etag", QJsonValue(entry->etag));
- entryObj.insert("last_changed_timestamp", QJsonValue(double(entry->local_changed_timestamp)));
- if(!entry->remote_changed_timestamp.isEmpty())
- entryObj.insert("remote_changed_timestamp", QJsonValue(entry->remote_changed_timestamp));
+ entryObj.insert("last_changed_timestamp",
+ QJsonValue(double(entry->local_changed_timestamp)));
+ if (!entry->remote_changed_timestamp.isEmpty())
+ entryObj.insert("remote_changed_timestamp",
+ QJsonValue(entry->remote_changed_timestamp));
entriesArr.append(entryObj);
}
}
- toplevel.insert("entries",entriesArr);
+ toplevel.insert("entries", entriesArr);
QJsonDocument doc(toplevel);
QByteArray jsonData = doc.toJson();
qint64 result = tfile.write(jsonData);
- if(result == -1)
+ if (result == -1)
return;
- if(result != jsonData.size())
+ if (result != jsonData.size())
return;
tfile.commit();
}