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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <vector>
#include "net/url_request/url_request_test_job.h"
#include "base/message_loop.h"
#include "base/string_util.h"
#include "net/base/net_errors.h"
#include "net/url_request/url_request.h"
// This emulates the global message loop for the test URL request class, since
// this is only test code, it's probably not too dangerous to have this static
// object.
static std::vector< scoped_refptr<URLRequestTestJob> > pending_jobs;
// static getters for known URLs
GURL URLRequestTestJob::test_url_1() {
return GURL("test:url1");
}
GURL URLRequestTestJob::test_url_2() {
return GURL("test:url2");
}
GURL URLRequestTestJob::test_url_3() {
return GURL("test:url3");
}
GURL URLRequestTestJob::test_url_error() {
return GURL("test:error");
}
// static getters for known URL responses
std::string URLRequestTestJob::test_data_1() {
return std::string("<html><title>Test One</title></html>");
}
std::string URLRequestTestJob::test_data_2() {
return std::string("<html><title>Test Two Two</title></html>");
}
std::string URLRequestTestJob::test_data_3() {
return std::string("<html><title>Test Three Three Three</title></html>");
}
// static
URLRequestJob* URLRequestTestJob::Factory(URLRequest* request,
const std::string& scheme) {
return new URLRequestTestJob(request);
}
URLRequestTestJob::URLRequestTestJob(URLRequest* request)
: URLRequestJob(request),
stage_(WAITING),
async_buf_(NULL),
async_buf_size_(0),
offset_(0) {
}
// Force the response to set a reasonable MIME type
bool URLRequestTestJob::GetMimeType(std::string* mime_type) {
DCHECK(mime_type);
*mime_type = "text/html";
return true;
}
void URLRequestTestJob::Start() {
// Start reading asynchronously so that all error reporting and data
// callbacks happen as they would for network requests.
MessageLoop::current()->PostTask(FROM_HERE, NewRunnableMethod(
this, &URLRequestTestJob::StartAsync));
}
void URLRequestTestJob::StartAsync() {
if (request_->url().spec() == test_url_1().spec()) {
data_ = test_data_1();
stage_ = DATA_AVAILABLE; // Simulate a synchronous response for this one.
} else if (request_->url().spec() == test_url_2().spec()) {
data_ = test_data_2();
} else if (request_->url().spec() == test_url_3().spec()) {
data_ = test_data_3();
} else {
// unexpected url, return error
// FIXME(brettw) we may want to use WININET errors or have some more types
// of errors
NotifyDone(URLRequestStatus(URLRequestStatus::FAILED,
net::ERR_INVALID_URL));
// FIXME(brettw): this should emulate a network error, and not just fail
// initiating a connection
return;
}
pending_jobs.push_back(scoped_refptr<URLRequestTestJob>(this));
this->NotifyHeadersComplete();
}
bool URLRequestTestJob::ReadRawData(char* buf, int buf_size, int *bytes_read) {
if (stage_ == WAITING) {
async_buf_ = buf;
async_buf_size_ = buf_size;
SetStatus(URLRequestStatus(URLRequestStatus::IO_PENDING, 0));
return false;
}
DCHECK(bytes_read);
*bytes_read = 0;
if (offset_ >= static_cast<int>(data_.length())) {
return true; // done reading
}
int to_read = buf_size;
if (to_read + offset_ > static_cast<int>(data_.length()))
to_read = static_cast<int>(data_.length()) - offset_;
memcpy(buf, &data_.c_str()[offset_], to_read);
offset_ += to_read;
*bytes_read = to_read;
return true;
}
void URLRequestTestJob::GetResponseInfo(net::HttpResponseInfo* info) {
const std::string kResponseHeaders = StringPrintf(
"HTTP/1.1 200 OK%c"
"Content-type: text/html%c"
"%c", 0, 0, 0);
info->headers = new net::HttpResponseHeaders(kResponseHeaders);
}
void URLRequestTestJob::Kill() {
if (request_) {
// Note that this state will still cause a NotifyDone to get called
// in ProcessNextOperation, which is required for jobs.
stage_ = ALL_DATA;
pending_jobs.push_back(scoped_refptr<URLRequestTestJob>(this));
}
}
bool URLRequestTestJob::ProcessNextOperation() {
switch (stage_) {
case WAITING:
stage_ = DATA_AVAILABLE;
// OK if ReadRawData wasn't called yet.
if (async_buf_) {
int bytes_read;
if (!ReadRawData(async_buf_, async_buf_size_, &bytes_read))
NOTREACHED() << "This should not return false in DATA_AVAILABLE.";
SetStatus(URLRequestStatus()); // clear the io pending flag
NotifyReadComplete(bytes_read);
}
break;
case DATA_AVAILABLE:
stage_ = ALL_DATA; // done sending data
break;
case ALL_DATA:
stage_ = DONE;
return false;
case DONE:
return false;
default:
NOTREACHED() << "Invalid stage";
return false;
}
return true;
}
// static
bool URLRequestTestJob::ProcessOnePendingMessage() {
if (pending_jobs.empty())
return false;
scoped_refptr<URLRequestTestJob> next_job(pending_jobs[0]);
pending_jobs.erase(pending_jobs.begin());
if (next_job->ProcessNextOperation())
pending_jobs.push_back(next_job);
return true;
}
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