Index: net/server/http_connection.h |
diff --git a/net/server/http_connection.h b/net/server/http_connection.h |
index 17faa46eb6b77304085635364f4a73b65c3c7821..c7225e1a01d24d9088e5c10d92a92da5b89cd385 100644 |
--- a/net/server/http_connection.h |
+++ b/net/server/http_connection.h |
@@ -5,43 +5,130 @@ |
#ifndef NET_SERVER_HTTP_CONNECTION_H_ |
#define NET_SERVER_HTTP_CONNECTION_H_ |
+#include <queue> |
#include <string> |
#include "base/basictypes.h" |
+#include "base/memory/ref_counted.h" |
#include "base/memory/scoped_ptr.h" |
-#include "net/http/http_status_code.h" |
+#include "net/base/io_buffer.h" |
namespace net { |
-class HttpServer; |
-class HttpServerResponseInfo; |
-class StreamListenSocket; |
+class StreamSocket; |
class WebSocket; |
+// A container which has all information of an http connection. It includes |
+// id, underlying socket, and pending read/write data. |
class HttpConnection { |
public: |
- ~HttpConnection(); |
+ // IOBuffer for data read. It's a wrapper around GrowableIOBuffer, with more |
+ // functions for buffer management. It moves unconsumed data to the start of |
+ // buffer. |
+ class ReadIOBuffer : public IOBuffer { |
+ public: |
+ static const int kInitialBufSize = 1024; |
+ static const int kMinimumBufSize = 128; |
+ static const int kCapacityIncreaseFactor = 2; |
+ static const int kDefaultMaxBufferSize = 1 * 1024 * 1024; // 1 Mbytes. |
+ |
+ ReadIOBuffer(); |
+ |
+ // Capacity. |
+ int GetCapacity() const; |
+ void SetCapacity(int capacity); |
+ // Increases capacity and returns true if capacity is not beyond the limit. |
+ bool IncreaseCapacity(); |
+ |
+ // Start of read data. |
+ char* StartOfBuffer() const; |
+ // Returns the bytes of read data. |
+ int GetSize() const; |
+ // More read data was appended. |
+ void DidRead(int bytes); |
+ // Capacity for which more read data can be appended. |
+ int RemainingCapacity() const; |
+ |
+ // Removes consumed data and moves unconsumed data to the start of buffer. |
+ void DidConsume(int bytes); |
+ |
+ // Limit of how much internal capacity can increase. |
+ int max_buffer_size() const { return max_buffer_size_; } |
+ void set_max_buffer_size(int max_buffer_size) { |
+ max_buffer_size_ = max_buffer_size; |
+ } |
+ |
+ private: |
+ virtual ~ReadIOBuffer(); |
+ |
+ scoped_refptr<GrowableIOBuffer> base_; |
+ int max_buffer_size_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ReadIOBuffer); |
+ }; |
+ |
+ // IOBuffer of pending data to write which has a queue of pending data. Each |
+ // pending data is stored in std::string. data() is the data of first |
+ // std::string stored. |
+ class QueuedWriteIOBuffer : public IOBuffer { |
+ public: |
+ static const int kDefaultMaxBufferSize = 1 * 1024 * 1024; // 1 Mbytes. |
+ |
+ QueuedWriteIOBuffer(); |
+ |
+ // Whether or not pending data exists. |
+ bool IsEmpty() const; |
- void Send(const std::string& data); |
- void Send(const char* bytes, int len); |
- void Send(const HttpServerResponseInfo& response); |
+ // Appends new pending data and returns true if total size doesn't exceed |
+ // the limit, |total_size_limit_|. It would change data() if new data is |
+ // the first pending data. |
+ bool Append(const std::string& data); |
- void Shift(int num_bytes); |
+ // Consumes data and changes data() accordingly. It cannot be more than |
+ // GetSizeToWrite(). |
+ void DidConsume(int size); |
+ |
+ // Gets size of data to write this time. It is NOT total data size. |
+ int GetSizeToWrite() const; |
+ |
+ // Total size of all pending data. |
+ int total_size() const { return total_size_; } |
+ |
+ // Limit of how much data can be pending. |
+ int max_buffer_size() const { return max_buffer_size_; } |
+ void set_max_buffer_size(int max_buffer_size) { |
+ max_buffer_size_ = max_buffer_size; |
+ } |
+ |
+ private: |
+ virtual ~QueuedWriteIOBuffer(); |
+ |
+ std::queue<std::string> pending_data_; |
+ int total_size_; |
+ int max_buffer_size_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(QueuedWriteIOBuffer); |
+ }; |
+ |
+ HttpConnection(int id, scoped_ptr<StreamSocket> socket); |
+ ~HttpConnection(); |
- const std::string& recv_data() const { return recv_data_; } |
int id() const { return id_; } |
+ StreamSocket* socket() const { return socket_.get(); } |
+ ReadIOBuffer* read_buf() const { return read_buf_.get(); } |
+ QueuedWriteIOBuffer* write_buf() const { return write_buf_.get(); } |
- private: |
- friend class HttpServer; |
- static int last_id_; |
+ WebSocket* web_socket() const { return web_socket_.get(); } |
+ void SetWebSocket(scoped_ptr<WebSocket> web_socket); |
- HttpConnection(HttpServer* server, scoped_ptr<StreamListenSocket> sock); |
+ private: |
+ const int id_; |
+ const scoped_ptr<StreamSocket> socket_; |
+ const scoped_refptr<ReadIOBuffer> read_buf_; |
+ const scoped_refptr<QueuedWriteIOBuffer> write_buf_; |
- HttpServer* server_; |
- scoped_ptr<StreamListenSocket> socket_; |
scoped_ptr<WebSocket> web_socket_; |
- std::string recv_data_; |
- int id_; |
+ |
DISALLOW_COPY_AND_ASSIGN(HttpConnection); |
}; |