Create connection.h

1 files changed, 100 insertions, 0 deletions

diff --git a/src/or/connection.h b/src/or/connection.h
new file mode 100644
index 0000000000..f38927e788
--- /dev/null
+++ b/src/or/connection.h
@@ -0,0 +1,100 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2010, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file connection.h
+ * \brief Header file for connection.c.
+ **/
+
+#ifndef _TOR_CONNECTION_H
+#define _TOR_CONNECTION_H
+
+const char *conn_type_to_string(int type);
+const char *conn_state_to_string(int type, int state);
+
+dir_connection_t *dir_connection_new(int socket_family);
+or_connection_t *or_connection_new(int socket_family);
+edge_connection_t *edge_connection_new(int type, int socket_family);
+control_connection_t *control_connection_new(int socket_family);
+connection_t *connection_new(int type, int socket_family);
+
+void connection_link_connections(connection_t *conn_a, connection_t *conn_b);
+void connection_free(connection_t *conn);
+void connection_free_all(void);
+void connection_about_to_close_connection(connection_t *conn);
+void connection_close_immediate(connection_t *conn);
+void _connection_mark_for_close(connection_t *conn,int line, const char *file);
+
+#define connection_mark_for_close(c) \
+  _connection_mark_for_close((c), __LINE__, _SHORT_FILE_)
+
+void connection_expire_held_open(void);
+
+int connection_connect(connection_t *conn, const char *address,
+                       const tor_addr_t *addr,
+                       uint16_t port, int *socket_error);
+
+int connection_proxy_connect(connection_t *conn, int type);
+int connection_read_proxy_handshake(connection_t *conn);
+
+int retry_all_listeners(smartlist_t *replaced_conns,
+                        smartlist_t *new_conns);
+
+ssize_t connection_bucket_write_limit(connection_t *conn, time_t now);
+int global_write_bucket_low(connection_t *conn, size_t attempt, int priority);
+void connection_bucket_init(void);
+void connection_bucket_refill(int seconds_elapsed, time_t now);
+
+int connection_handle_read(connection_t *conn);
+
+int connection_fetch_from_buf(char *string, size_t len, connection_t *conn);
+
+int connection_wants_to_flush(connection_t *conn);
+int connection_outbuf_too_full(connection_t *conn);
+int connection_handle_write(connection_t *conn, int force);
+void _connection_write_to_buf_impl(const char *string, size_t len,
+                                   connection_t *conn, int zlib);
+static void connection_write_to_buf(const char *string, size_t len,
+                                    connection_t *conn);
+static void connection_write_to_buf_zlib(const char *string, size_t len,
+                                         dir_connection_t *conn, int done);
+static INLINE void
+connection_write_to_buf(const char *string, size_t len, connection_t *conn)
+{
+  _connection_write_to_buf_impl(string, len, conn, 0);
+}
+static INLINE void
+connection_write_to_buf_zlib(const char *string, size_t len,
+                             dir_connection_t *conn, int done)
+{
+  _connection_write_to_buf_impl(string, len, TO_CONN(conn), done ? -1 : 1);
+}
+
+connection_t *connection_get_by_global_id(uint64_t id);
+
+connection_t *connection_get_by_type(int type);
+connection_t *connection_get_by_type_purpose(int type, int purpose);
+connection_t *connection_get_by_type_addr_port_purpose(int type,
+                                                   const tor_addr_t *addr,
+                                                   uint16_t port, int purpose);
+connection_t *connection_get_by_type_state(int type, int state);
+connection_t *connection_get_by_type_state_rendquery(int type, int state,
+                                                     const char *rendquery);
+
+#define connection_speaks_cells(conn) ((conn)->type == CONN_TYPE_OR)
+int connection_is_listener(connection_t *conn);
+int connection_state_is_open(connection_t *conn);
+int connection_state_is_connecting(connection_t *conn);
+
+char *alloc_http_authenticator(const char *authenticator);
+
+void assert_connection_ok(connection_t *conn, time_t now);
+int connection_or_nonopen_was_started_here(or_connection_t *conn);
+void connection_dump_buffer_mem_stats(int severity);
+void remove_file_if_very_old(const char *fname, time_t now);
+
+#endif
+