diff options
Diffstat (limited to 'proxy/proxy_int.h')
| -rw-r--r-- | proxy/proxy_int.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/proxy/proxy_int.h b/proxy/proxy_int.h deleted file mode 100644 index 739bb75..0000000 --- a/proxy/proxy_int.h +++ /dev/null @@ -1,201 +0,0 @@ -/* Copyright (C) 2007-2008 The Android Open Source Project -** -** This software is licensed under the terms of the GNU General Public -** License version 2, as published by the Free Software Foundation, and -** may be copied, distributed, and modified under those terms. -** -** This program 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 General Public License for more details. -*/ -#ifndef _PROXY_INT_H -#define _PROXY_INT_H - -#include "proxy_common.h" -#include "sockets.h" -#include "android/utils/stralloc.h" - -extern int proxy_log; - -extern void -proxy_LOG(const char* fmt, ...); - -#define PROXY_LOG(...) \ - do { if (proxy_log) proxy_LOG(__VA_ARGS__); } while (0) - - -/* ProxySelect is used to handle events */ - -enum { - PROXY_SELECT_READ = (1 << 0), - PROXY_SELECT_WRITE = (1 << 1), - PROXY_SELECT_ERROR = (1 << 2) -}; - -typedef struct { - int* pcount; - fd_set* reads; - fd_set* writes; - fd_set* errors; -} ProxySelect; - -extern void proxy_select_set( ProxySelect* sel, - int fd, - unsigned flags ); - -extern unsigned proxy_select_poll( ProxySelect* sel, int fd ); - - -/* sockets proxy manager internals */ - -typedef struct ProxyConnection ProxyConnection; -typedef struct ProxyService ProxyService; - -/* free a given proxified connection */ -typedef void (*ProxyConnectionFreeFunc) ( ProxyConnection* conn ); - -/* modify the ProxySelect to tell which events to listen to */ -typedef void (*ProxyConnectionSelectFunc) ( ProxyConnection* conn, - ProxySelect* sel ); - -/* action a proxy connection when select() returns certain events for its socket */ -typedef void (*ProxyConnectionPollFunc) ( ProxyConnection* conn, - ProxySelect* sel ); - - -/* root ProxyConnection object */ -struct ProxyConnection { - int socket; - SockAddress address; /* for debugging */ - ProxyConnection* next; - ProxyConnection* prev; - ProxyEventFunc ev_func; - void* ev_opaque; - ProxyService* service; - - /* the following is useful for all types of services */ - char name[64]; /* for debugging purposes */ - - stralloc_t str[1]; /* network buffer (dynamic) */ - int str_pos; /* see proxy_connection_send() */ - int str_sent; /* see proxy_connection_send() */ - int str_recv; /* see proxy_connection_receive() */ - - /* connection methods */ - ProxyConnectionFreeFunc conn_free; - ProxyConnectionSelectFunc conn_select; - ProxyConnectionPollFunc conn_poll; - - /* rest of data depend on exact implementation */ -}; - - - -extern void -proxy_connection_init( ProxyConnection* conn, - int socket, - SockAddress* address, - ProxyService* service, - ProxyConnectionFreeFunc conn_free, - ProxyConnectionSelectFunc conn_select, - ProxyConnectionPollFunc conn_poll ); - -extern void -proxy_connection_done( ProxyConnection* conn ); - -/* free the proxy connection object. this will also - * close the corresponding socket unless the - * 'keep_alive' flag is set to TRUE. - */ -extern void -proxy_connection_free( ProxyConnection* conn, - int keep_alive, - ProxyEvent event ); - -/* status of data transfer operations */ -typedef enum { - DATA_ERROR = -1, - DATA_NEED_MORE = 0, - DATA_COMPLETED = 1 -} DataStatus; - -/* try to send data from the connection's buffer to a socket. - * starting from offset conn->str_pos in the buffer - * - * returns DATA_COMPLETED if everything could be written - * returns DATA_ERROR for a socket disconnection or error - * returns DATA_NEED_MORE if all data could not be sent. - * - * on exit, conn->str_sent contains the number of bytes - * that were really sent. conn->str_pos will be incremented - * by conn->str_sent as well. - * - * note that in case of success (DATA_COMPLETED), this also - * performs a proxy_connection_rewind which sets conn->str_pos - * to 0. - */ -extern DataStatus -proxy_connection_send( ProxyConnection* conn, int fd ); - -/* try to read 'wanted' bytes into conn->str from a socket - * - * returns DATA_COMPLETED if all bytes could be read - * returns DATA_NEED_MORE if not all bytes could be read - * returns DATA_ERROR in case of socket disconnection or error - * - * on exit, the amount of data received is in conn->str_recv - */ -extern DataStatus -proxy_connection_receive( ProxyConnection* conn, int fd, int wanted ); - -/* tries to receive a line of text from the proxy. - * when an entire line is read, the trailing \r\n is stripped - * and replaced by a terminating zero. str->n will be the - * lenght of the line, exclusing the terminating zero. - * returns 1 when a line has been received - * returns 0 if there is still some data to receive - * returns -1 in case of error - */ -extern DataStatus -proxy_connection_receive_line( ProxyConnection* conn, int fd ); - -/* rewind the string buffer for a new operation */ -extern void -proxy_connection_rewind( ProxyConnection* conn ); - -/* base64 encode a source string, returns size of encoded result, - * or -1 if there was not enough room in the destination buffer - */ -extern int -proxy_base64_encode( const char* src, int srclen, - char* dst, int dstlen ); - -extern int -proxy_resolve_server( SockAddress* addr, - const char* servername, - int servernamelen, - int serverport ); - -/* a ProxyService is really a proxy server and associated options */ - -/* destroy a given proxy service */ -typedef void (*ProxyServiceFreeFunc) ( void* opaque ); - -/* tries to create a new proxified connection, returns NULL if the service can't - * handle this address */ -typedef ProxyConnection* (*ProxyServiceConnectFunc)( void* opaque, - SocketType socket_type, - const SockAddress* address ); - -struct ProxyService { - void* opaque; - ProxyServiceFreeFunc serv_free; - ProxyServiceConnectFunc serv_connect; -}; - -extern int -proxy_manager_add_service( ProxyService* service ); - - -#endif /* _PROXY_INT_H */ |