The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* Copyright (C) 2007-2008 The Android Open Source Project |
| 2 | ** |
| 3 | ** This software is licensed under the terms of the GNU General Public |
| 4 | ** License version 2, as published by the Free Software Foundation, and |
| 5 | ** may be copied, distributed, and modified under those terms. |
| 6 | ** |
| 7 | ** This program is distributed in the hope that it will be useful, |
| 8 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | ** GNU General Public License for more details. |
| 11 | */ |
| 12 | #ifndef _PROXY_COMMON_H_ |
| 13 | #define _PROXY_COMMON_H_ |
| 14 | |
David 'Digit' Turner | cc330d4 | 2013-12-14 23:26:42 +0100 | [diff] [blame] | 15 | #include "android/sockets.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 16 | |
| 17 | #ifdef _WIN32 |
| 18 | #include <winsock2.h> |
| 19 | #else |
| 20 | #include <sys/select.h> |
| 21 | #endif |
| 22 | |
| 23 | /* types and definitions used by all proxy connections */ |
| 24 | |
| 25 | typedef enum { |
| 26 | PROXY_EVENT_NONE, |
| 27 | PROXY_EVENT_CONNECTED, |
| 28 | PROXY_EVENT_CONNECTION_REFUSED, |
| 29 | PROXY_EVENT_SERVER_ERROR |
| 30 | } ProxyEvent; |
| 31 | |
| 32 | /* event can't be NONE when this callback is called */ |
| 33 | typedef void (*ProxyEventFunc)( void* opaque, int fd, ProxyEvent event ); |
| 34 | |
| 35 | extern void proxy_set_verbose(int mode); |
| 36 | |
| 37 | |
| 38 | typedef enum { |
| 39 | PROXY_OPTION_AUTH_USERNAME = 1, |
| 40 | PROXY_OPTION_AUTH_PASSWORD, |
| 41 | |
| 42 | PROXY_OPTION_HTTP_NOCACHE = 100, |
| 43 | PROXY_OPTION_HTTP_KEEPALIVE, |
| 44 | PROXY_OPTION_HTTP_USER_AGENT, |
| 45 | |
| 46 | PROXY_OPTION_MAX |
| 47 | |
| 48 | } ProxyOptionType; |
| 49 | |
| 50 | |
| 51 | typedef struct { |
| 52 | ProxyOptionType type; |
| 53 | const char* string; |
| 54 | int string_len; |
| 55 | } ProxyOption; |
| 56 | |
| 57 | |
| 58 | /* add a new proxified socket connection to the manager's list. the event function |
| 59 | * will be called when the connection is established or refused. |
| 60 | * |
| 61 | * only IPv4 is supported at the moment, since our slirp code cannot handle IPv6 |
| 62 | * |
| 63 | * returns 0 on success, or -1 if there is no proxy service for this type of connection |
| 64 | */ |
| 65 | extern int proxy_manager_add( SockAddress* address, |
| 66 | SocketType sock_type, |
| 67 | ProxyEventFunc ev_func, |
| 68 | void* ev_opaque ); |
| 69 | |
| 70 | /* remove an on-going proxified socket connection from the manager's list. |
| 71 | * this is only necessary when the socket connection must be canceled before |
| 72 | * the connection accept/refusal occured |
| 73 | */ |
| 74 | extern void proxy_manager_del( void* ev_opaque ); |
| 75 | |
| 76 | /* this function is called to update the select file descriptor sets |
| 77 | * with those of the proxified connection sockets that are currently managed */ |
David 'Digit' Turner | c005246 | 2014-02-25 18:39:29 +0100 | [diff] [blame] | 78 | extern void proxy_manager_select_fill( int *pcount, |
| 79 | fd_set* read_fds, |
| 80 | fd_set* write_fds, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 81 | fd_set* err_fds); |
| 82 | |
| 83 | /* this function is called to act on proxified connection sockets when network events arrive */ |
David 'Digit' Turner | c005246 | 2014-02-25 18:39:29 +0100 | [diff] [blame] | 84 | extern void proxy_manager_poll( fd_set* read_fds, |
| 85 | fd_set* write_fds, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 86 | fd_set* err_fds ); |
| 87 | |
David 'Digit' Turner | 9b98dbd | 2010-07-30 15:35:00 -0700 | [diff] [blame] | 88 | /* this function checks that one can connect to a given proxy. It will simply try to connect() |
| 89 | * to it, for a specified timeout, in milliseconds, then close the connection. |
| 90 | * |
| 91 | * returns 0 in case of success, and -1 in case of error. errno will be set to ETIMEDOUT in |
| 92 | * case of timeout, or ECONNREFUSED if the connection is refused. |
| 93 | */ |
| 94 | |
| 95 | extern int proxy_check_connection( const char* proxyname, |
| 96 | int proxyname_len, |
| 97 | int proxyport, |
| 98 | int timeout_ms ); |
| 99 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 100 | #endif /* END */ |