boinc/client/gui_http.h

61 lines
1.9 KiB
C

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
#ifndef _GUI_HTTP_
#define _GUI_HTTP_
// A high-level interface for client-initiated HTTP requests.
// GUI_HTTP represents a "channel" for doing HTTP ops.
// There's one of these for each GUI RPC connection,
// and one for the client itself (so the name is a misnomer).
#include "http_curl.h"
#define GUI_HTTP_STATE_IDLE 0
#define GUI_HTTP_STATE_BUSY 1
struct GUI_HTTP {
int gui_http_state;
struct GUI_HTTP_OP* gui_http_op;
HTTP_OP http_op;
GUI_HTTP(): gui_http_state(GUI_HTTP_STATE_IDLE) {}
int do_rpc(struct GUI_HTTP_OP*, char* url, char* output_file);
int do_rpc_post(
struct GUI_HTTP_OP*, char* url, char* input_file, char* output_file
);
bool poll();
inline bool is_busy() {
return (gui_http_state == GUI_HTTP_STATE_BUSY);
}
};
// GUI_HTTP_OP is base class for various types of ops.
// its gui_http field says what channel to use
// Derived classes override handle_reply() to handle completion,
// and provide a do_rpc() function to initiate requests.
struct GUI_HTTP_OP {
GUI_HTTP* gui_http;
virtual void handle_reply(int) {}
GUI_HTTP_OP(){}
virtual ~GUI_HTTP_OP(){}
};
#endif