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-rw-r--r--chrome/browser/net/url_fetcher.h125
1 files changed, 22 insertions, 103 deletions
diff --git a/chrome/browser/net/url_fetcher.h b/chrome/browser/net/url_fetcher.h
index 044e61b..5485d7f 100644
--- a/chrome/browser/net/url_fetcher.h
+++ b/chrome/browser/net/url_fetcher.h
@@ -7,15 +7,22 @@
// reading. This is useful for callers who simply want to get the data from a
// URL and don't care about all the nitty-gritty details.
-#ifndef CHROME_BROWSER_URL_FETCHER_H__
-#define CHROME_BROWSER_URL_FETCHER_H__
+#ifndef CHROME_BROWSER_URL_FETCHER_H_
+#define CHROME_BROWSER_URL_FETCHER_H_
#include "base/message_loop.h"
#include "base/ref_counted.h"
#include "chrome/browser/net/url_fetcher_protect.h"
-#include "net/url_request/url_request.h"
+class GURL;
+typedef std::vector<std::string> ResponseCookies;
+class URLFetcher;
class URLRequestContext;
+class URLRequestStatus;
+
+namespace net {
+class HttpResponseHeaders;
+}
// To use this class, create an instance with the desired URL and a pointer to
// the object to be notified when the URL has been loaded:
@@ -74,59 +81,44 @@ class URLFetcher {
// |d| the object that will receive the callback on fetch completion.
URLFetcher(const GURL& url, RequestType request_type, Delegate* d);
+ ~URLFetcher();
+
// This should only be used by unittests, where g_browser_process->io_thread()
// does not exist and we must specify an alternate loop. Unfortunately, we
// can't put it under #ifdef UNIT_TEST since some callers (which themselves
// should only be reached in unit tests) use this. See
// chrome/browser/feeds/feed_manager.cc.
- void set_io_loop(MessageLoop* io_loop) {
- core_->io_loop_ = io_loop;
- }
+ void set_io_loop(MessageLoop* io_loop);
// Sets data only needed by POSTs. All callers making POST requests should
// call this before the request is started. |upload_content_type| is the MIME
// type of the content, while |upload_content| is the data to be sent (the
// Content-Length header value will be set to the length of this data).
void set_upload_data(const std::string& upload_content_type,
- const std::string& upload_content) {
- core_->upload_content_type_ = upload_content_type;
- core_->upload_content_ = upload_content;
- }
+ const std::string& upload_content);
// Set one or more load flags as defined in net/base/load_flags.h. Must be
// called before the request is started.
- void set_load_flags(int load_flags) {
- core_->load_flags_ = load_flags;
- }
+ void set_load_flags(int load_flags);
// Set extra headers on the request. Must be called before the request
// is started.
- void set_extra_request_headers(const std::string& extra_request_headers) {
- core_->extra_request_headers_ = extra_request_headers;
- }
+ void set_extra_request_headers(const std::string& extra_request_headers);
// Set the URLRequestContext on the request. Must be called before the
// request is started.
- void set_request_context(URLRequestContext* request_context) {
- core_->request_context_ = request_context;
- }
+ void set_request_context(URLRequestContext* request_context);
// Retrieve the response headers from the request. Must only be called after
// the OnURLFetchComplete callback has run.
- net::HttpResponseHeaders* response_headers() const {
- return core_->response_headers_;
- }
+ net::HttpResponseHeaders* response_headers() const;
// Start the request. After this is called, you may not change any other
// settings.
- void Start() { core_->Start(); }
+ void Start();
// Return the URL that this fetcher is processing.
- const GURL& url() const {
- return core_->url_;
- }
-
- ~URLFetcher();
+ const GURL& url() const;
private:
// This class is the real guts of URLFetcher.
@@ -137,84 +129,11 @@ class URLFetcher {
// thread (since that class is not currently threadsafe and relies on
// underlying Microsoft APIs that we don't know to be threadsafe), while
// keeping the delegate callback on the delegate's thread.
- class Core : public base::RefCountedThreadSafe<URLFetcher::Core>,
- public URLRequest::Delegate {
- public:
- // For POST requests, set |content_type| to the MIME type of the content
- // and set |content| to the data to upload. |flags| are flags to apply to
- // the load operation--these should be one or more of the LOAD_* flags
- // defined in url_request.h.
- Core(URLFetcher* fetcher,
- const GURL& original_url,
- RequestType request_type,
- URLFetcher::Delegate* d);
-
- // Starts the load. It's important that this not happen in the constructor
- // because it causes the IO thread to begin AddRef()ing and Release()ing
- // us. If our caller hasn't had time to fully construct us and take a
- // reference, the IO thread could interrupt things, run a task, Release()
- // us, and destroy us, leaving the caller with an already-destroyed object
- // when construction finishes.
- void Start();
-
- // Stops any in-progress load and ensures no callback will happen. It is
- // safe to call this multiple times.
- void Stop();
-
- // URLRequest::Delegate implementations
- virtual void OnReceivedRedirect(URLRequest* request,
- const GURL& new_url) { }
- virtual void OnResponseStarted(URLRequest* request);
- virtual void OnReadCompleted(URLRequest* request, int bytes_read);
-
- private:
- // Wrapper functions that allow us to ensure actions happen on the right
- // thread.
- void StartURLRequest();
- void CancelURLRequest();
- void OnCompletedURLRequest(const URLRequestStatus& status);
-
- URLFetcher* fetcher_; // Corresponding fetcher object
- GURL original_url_; // The URL we were asked to fetch
- GURL url_; // The URL we eventually wound up at
- RequestType request_type_; // What type of request is this?
- URLFetcher::Delegate* delegate_; // Object to notify on completion
- MessageLoop* delegate_loop_; // Message loop of the creating thread
- MessageLoop* io_loop_; // Message loop of the IO thread
- URLRequest* request_; // The actual request this wraps
- int load_flags_; // Flags for the load operation
- int response_code_; // HTTP status code for the request
- std::string data_; // Results of the request
- scoped_refptr<net::IOBuffer> buffer_;
- // Read buffer
- scoped_refptr<URLRequestContext> request_context_;
- // Cookie/cache info for the request
- ResponseCookies cookies_; // Response cookies
- std::string extra_request_headers_;// Extra headers for the request, if any
- scoped_refptr<net::HttpResponseHeaders> response_headers_;
-
- std::string upload_content_; // HTTP POST payload
- std::string upload_content_type_; // MIME type of POST payload
-
- // The overload protection entry for this URL. This is used to
- // incrementally back off how rapidly we'll send requests to a particular
- // URL, to avoid placing too much demand on the remote resource. We update
- // this with the status of all requests as they return, and in turn use it
- // to determine how long to wait before making another request.
- URLFetcherProtectEntry* protect_entry_;
- // |num_retries_| indicates how many times we've failed to successfully
- // fetch this URL. Once this value exceeds the maximum number of retries
- // specified by the protection manager, we'll give up.
- int num_retries_;
-
- friend class URLFetcher;
- DISALLOW_EVIL_CONSTRUCTORS(Core);
- };
+ class Core;
scoped_refptr<Core> core_;
DISALLOW_EVIL_CONSTRUCTORS(URLFetcher);
};
-#endif // CHROME_BROWSER_URL_FETCHER_H__
-
+#endif // CHROME_BROWSER_URL_FETCHER_H_