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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/service_worker/service_worker_script_cache_map.h"
#include "base/logging.h"
#include "content/browser/service_worker/service_worker_context_core.h"
#include "content/browser/service_worker/service_worker_disk_cache.h"
#include "content/browser/service_worker/service_worker_storage.h"
#include "content/browser/service_worker/service_worker_version.h"
#include "content/common/service_worker/service_worker_types.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
namespace content {
ServiceWorkerScriptCacheMap::ServiceWorkerScriptCacheMap(
ServiceWorkerVersion* owner,
base::WeakPtr<ServiceWorkerContextCore> context)
: owner_(owner), context_(context), weak_factory_(this) {
}
ServiceWorkerScriptCacheMap::~ServiceWorkerScriptCacheMap() {
}
int64_t ServiceWorkerScriptCacheMap::LookupResourceId(const GURL& url) {
ResourceMap::const_iterator found = resource_map_.find(url);
if (found == resource_map_.end())
return kInvalidServiceWorkerResourceId;
return found->second.resource_id;
}
void ServiceWorkerScriptCacheMap::NotifyStartedCaching(const GURL& url,
int64_t resource_id) {
DCHECK_EQ(kInvalidServiceWorkerResourceId, LookupResourceId(url));
DCHECK(owner_->status() == ServiceWorkerVersion::NEW ||
owner_->status() == ServiceWorkerVersion::INSTALLING)
<< owner_->status();
if (!context_) {
if (IsMainScript(url)) {
main_script_start_status_ = StartStatus::NO_CONTEXT;
}
return; // Our storage has been wiped via DeleteAndStartOver.
}
if (IsMainScript(url)) {
main_script_start_status_ = StartStatus::STARTED;
}
resource_map_[url] =
ServiceWorkerDatabase::ResourceRecord(resource_id, url, -1);
context_->storage()->StoreUncommittedResourceId(resource_id);
}
void ServiceWorkerScriptCacheMap::NotifyFinishedCaching(
const GURL& url,
int64_t size_bytes,
net::Error net_error,
const std::string& status_message) {
DCHECK_NE(kInvalidServiceWorkerResourceId, LookupResourceId(url));
DCHECK_NE(net::ERR_IO_PENDING, net_error);
DCHECK(owner_->status() == ServiceWorkerVersion::NEW ||
owner_->status() == ServiceWorkerVersion::INSTALLING ||
owner_->status() == ServiceWorkerVersion::REDUNDANT);
if (!context_) {
if (IsMainScript(url)) {
main_script_finish_status_ = FinishStatus::NO_CONTEXT;
}
return; // Our storage has been wiped via DeleteAndStartOver.
}
if (net_error != net::OK) {
if (IsMainScript(url)) {
main_script_finish_status_ = FinishStatus::NET_ERROR;
}
context_->storage()->DoomUncommittedResource(LookupResourceId(url));
resource_map_.erase(url);
if (IsMainScript(url)) {
main_script_status_ = net::URLRequestStatus::FromError(net_error);
main_script_status_message_ = status_message;
}
} else {
if (IsMainScript(url)) {
main_script_finish_status_ = FinishStatus::FINISHED;
}
resource_map_[url].size_bytes = size_bytes;
}
}
void ServiceWorkerScriptCacheMap::GetResources(
std::vector<ServiceWorkerDatabase::ResourceRecord>* resources) {
DCHECK(resources->empty());
for (ResourceMap::const_iterator it = resource_map_.begin();
it != resource_map_.end();
++it) {
resources->push_back(it->second);
}
}
void ServiceWorkerScriptCacheMap::SetResources(
const std::vector<ServiceWorkerDatabase::ResourceRecord>& resources) {
DCHECK(resource_map_.empty());
typedef std::vector<ServiceWorkerDatabase::ResourceRecord> RecordVector;
for (RecordVector::const_iterator it = resources.begin();
it != resources.end(); ++it) {
resource_map_[it->url] = *it;
}
}
void ServiceWorkerScriptCacheMap::WriteMetadata(
const GURL& url,
const std::vector<char>& data,
const net::CompletionCallback& callback) {
ResourceMap::iterator found = resource_map_.find(url);
if (found == resource_map_.end() ||
found->second.resource_id == kInvalidServiceWorkerResourceId) {
callback.Run(net::ERR_FILE_NOT_FOUND);
return;
}
scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(data.size()));
if (data.size())
memmove(buffer->data(), &data[0], data.size());
std::unique_ptr<ServiceWorkerResponseMetadataWriter> writer;
writer = context_->storage()->CreateResponseMetadataWriter(
found->second.resource_id);
ServiceWorkerResponseMetadataWriter* raw_writer = writer.get();
raw_writer->WriteMetadata(
buffer.get(), data.size(),
base::Bind(&ServiceWorkerScriptCacheMap::OnMetadataWritten,
weak_factory_.GetWeakPtr(), base::Passed(&writer), callback));
}
void ServiceWorkerScriptCacheMap::ClearMetadata(
const GURL& url,
const net::CompletionCallback& callback) {
WriteMetadata(url, std::vector<char>(), callback);
}
void ServiceWorkerScriptCacheMap::OnMetadataWritten(
std::unique_ptr<ServiceWorkerResponseMetadataWriter> writer,
const net::CompletionCallback& callback,
int result) {
callback.Run(result);
}
bool ServiceWorkerScriptCacheMap::IsMainScript(const GURL& url) {
return owner_->script_url() == url;
}
} // namespace content
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