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101 lines
4.0 KiB
C
101 lines
4.0 KiB
C
/* Copyright (c) 2001 Matej Pfajfar.
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* Copyright (c) 2001-2004, Roger Dingledine.
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2011, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file connection.h
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* \brief Header file for connection.c.
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**/
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#ifndef _TOR_CONNECTION_H
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#define _TOR_CONNECTION_H
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const char *conn_type_to_string(int type);
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const char *conn_state_to_string(int type, int state);
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dir_connection_t *dir_connection_new(int socket_family);
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or_connection_t *or_connection_new(int socket_family);
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edge_connection_t *edge_connection_new(int type, int socket_family);
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control_connection_t *control_connection_new(int socket_family);
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connection_t *connection_new(int type, int socket_family);
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void connection_link_connections(connection_t *conn_a, connection_t *conn_b);
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void connection_free(connection_t *conn);
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void connection_free_all(void);
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void connection_about_to_close_connection(connection_t *conn);
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void connection_close_immediate(connection_t *conn);
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void _connection_mark_for_close(connection_t *conn,int line, const char *file);
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#define connection_mark_for_close(c) \
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_connection_mark_for_close((c), __LINE__, _SHORT_FILE_)
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void connection_expire_held_open(void);
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int connection_connect(connection_t *conn, const char *address,
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const tor_addr_t *addr,
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uint16_t port, int *socket_error);
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int connection_proxy_connect(connection_t *conn, int type);
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int connection_read_proxy_handshake(connection_t *conn);
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int retry_all_listeners(smartlist_t *replaced_conns,
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smartlist_t *new_conns);
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ssize_t connection_bucket_write_limit(connection_t *conn, time_t now);
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int global_write_bucket_low(connection_t *conn, size_t attempt, int priority);
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void connection_bucket_init(void);
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void connection_bucket_refill(int seconds_elapsed, time_t now);
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int connection_handle_read(connection_t *conn);
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int connection_fetch_from_buf(char *string, size_t len, connection_t *conn);
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int connection_wants_to_flush(connection_t *conn);
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int connection_outbuf_too_full(connection_t *conn);
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int connection_handle_write(connection_t *conn, int force);
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void _connection_write_to_buf_impl(const char *string, size_t len,
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connection_t *conn, int zlib);
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static void connection_write_to_buf(const char *string, size_t len,
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connection_t *conn);
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static void connection_write_to_buf_zlib(const char *string, size_t len,
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dir_connection_t *conn, int done);
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static INLINE void
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connection_write_to_buf(const char *string, size_t len, connection_t *conn)
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{
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_connection_write_to_buf_impl(string, len, conn, 0);
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}
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static INLINE void
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connection_write_to_buf_zlib(const char *string, size_t len,
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dir_connection_t *conn, int done)
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{
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_connection_write_to_buf_impl(string, len, TO_CONN(conn), done ? -1 : 1);
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}
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connection_t *connection_get_by_global_id(uint64_t id);
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connection_t *connection_get_by_type(int type);
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connection_t *connection_get_by_type_purpose(int type, int purpose);
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connection_t *connection_get_by_type_addr_port_purpose(int type,
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const tor_addr_t *addr,
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uint16_t port, int purpose);
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connection_t *connection_get_by_type_state(int type, int state);
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connection_t *connection_get_by_type_state_rendquery(int type, int state,
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const char *rendquery);
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#define connection_speaks_cells(conn) ((conn)->type == CONN_TYPE_OR)
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int connection_is_listener(connection_t *conn);
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int connection_state_is_open(connection_t *conn);
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int connection_state_is_connecting(connection_t *conn);
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char *alloc_http_authenticator(const char *authenticator);
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void assert_connection_ok(connection_t *conn, time_t now);
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int connection_or_nonopen_was_started_here(or_connection_t *conn);
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void connection_dump_buffer_mem_stats(int severity);
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void remove_file_if_very_old(const char *fname, time_t now);
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#endif
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