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connection.h: new includes and struct declarations

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Using these frees us from several dependencies on include order.
This commit is contained in:
Nick Mathewson
2019-12-16 13:07:00 -05:00
parent c4ac5adc4a
commit 8b7eeea39d
2 changed files with 112 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/core/mainloop/.may_include
+2
View File
@@ -16,7 +16,9 @@ lib/net/*.h
lib/evloop/*.h
lib/geoip/*.h
lib/sandbox/*.h
lib/smartlist_core/*.h
lib/compress/*.h
lib/log/*.h
core/mainloop/*.h
core/mainloop/*.inc
src/core/mainloop/connection.h
+110 -82
View File
@@ -12,7 +12,25 @@
#ifndef TOR_CONNECTION_H
#define TOR_CONNECTION_H
listener_connection_t *TO_LISTENER_CONN(connection_t *);
#include "lib/smartlist_core/smartlist_core.h"
#include "lib/log/log.h"
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
struct listener_connection_t;
struct connection_t;
struct dir_connection_t;
struct or_connection_t;
struct edge_connection_t;
struct entry_connection_t;
struct control_connection_t;
struct port_cfg_t;
struct tor_addr_t;
struct or_options_t;
struct listener_connection_t *TO_LISTENER_CONN(struct connection_t *);
struct buf_t;
@@ -56,7 +74,7 @@ struct buf_t;
#define CONN_TYPE_MAX_ 19
/* !!!! If _CONN_TYPE_MAX is ever over 31, we must grow the type field in
* connection_t. */
* struct connection_t. */
/* Proxy client handshake states */
/* We use a proxy but we haven't even connected to it yet. */
@@ -88,34 +106,36 @@ struct buf_t;
*/
typedef struct
{
connection_t *old_conn; /* Old listener connection to be replaced */
const port_cfg_t *new_port; /* New port configuration */
struct connection_t *old_conn; /* Old listener connection to be replaced */
const struct port_cfg_t *new_port; /* New port configuration */
} listener_replacement_t;
const char *conn_type_to_string(int type);
const char *conn_state_to_string(int type, int state);
int conn_listener_type_supports_af_unix(int type);
dir_connection_t *dir_connection_new(int socket_family);
or_connection_t *or_connection_new(int type, int socket_family);
edge_connection_t *edge_connection_new(int type, int socket_family);
entry_connection_t *entry_connection_new(int type, int socket_family);
control_connection_t *control_connection_new(int socket_family);
listener_connection_t *listener_connection_new(int type, int socket_family);
connection_t *connection_new(int type, int socket_family);
int connection_init_accepted_conn(connection_t *conn,
const listener_connection_t *listener);
void connection_link_connections(connection_t *conn_a, connection_t *conn_b);
MOCK_DECL(void,connection_free_,(connection_t *conn));
struct dir_connection_t *dir_connection_new(int socket_family);
struct or_connection_t *or_connection_new(int type, int socket_family);
struct edge_connection_t *edge_connection_new(int type, int socket_family);
struct entry_connection_t *entry_connection_new(int type, int socket_family);
struct control_connection_t *control_connection_new(int socket_family);
struct listener_connection_t *listener_connection_new(int type,
int socket_family);
struct connection_t *connection_new(int type, int socket_family);
int connection_init_accepted_conn(struct connection_t *conn,
const struct listener_connection_t *listener);
void connection_link_connections(struct connection_t *conn_a,
struct connection_t *conn_b);
MOCK_DECL(void,connection_free_,(struct connection_t *conn));
#define connection_free(conn) \
FREE_AND_NULL(connection_t, connection_free_, (conn))
FREE_AND_NULL(struct connection_t, connection_free_, (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,
void connection_about_to_close_connection(struct connection_t *conn);
void connection_close_immediate(struct connection_t *conn);
void connection_mark_for_close_(struct connection_t *conn,
int line, const char *file);
MOCK_DECL(void, connection_mark_for_close_internal_,
(connection_t *conn, int line, const char *file));
(struct connection_t *conn, int line, const char *file));
#define connection_mark_for_close(c) \
connection_mark_for_close_((c), __LINE__, SHORT_FILE__)
@@ -130,11 +150,11 @@ MOCK_DECL(void, connection_mark_for_close_internal_,
* connection_or_notify_error()), or you actually are the
* connection_or_close_for_error() or connection_or_close_normally function.
* For all other cases, use connection_mark_and_flush() instead, which
* checks for or_connection_t properly, instead. See below.
* checks for struct or_connection_t properly, instead. See below.
*/
#define connection_mark_and_flush_internal_(c,line,file) \
do { \
connection_t *tmp_conn__ = (c); \
struct connection_t *tmp_conn__ = (c); \
connection_mark_for_close_internal_(tmp_conn__, (line), (file)); \
tmp_conn__->hold_open_until_flushed = 1; \
} while (0)
@@ -147,7 +167,7 @@ MOCK_DECL(void, connection_mark_for_close_internal_,
*/
#define connection_mark_and_flush_(c,line,file) \
do { \
connection_t *tmp_conn_ = (c); \
struct connection_t *tmp_conn_ = (c); \
if (tmp_conn_->type == CONN_TYPE_OR) { \
log_warn(LD_CHANNEL | LD_BUG, \
"Something tried to close (and flush) an or_connection_t" \
@@ -164,13 +184,13 @@ MOCK_DECL(void, connection_mark_for_close_internal_,
void connection_expire_held_open(void);
int connection_connect(connection_t *conn, const char *address,
const tor_addr_t *addr,
int connection_connect(struct connection_t *conn, const char *address,
const struct tor_addr_t *addr,
uint16_t port, int *socket_error);
#ifdef HAVE_SYS_UN_H
int connection_connect_unix(connection_t *conn, const char *socket_path,
int connection_connect_unix(struct connection_t *conn, const char *socket_path,
int *socket_error);
#endif /* defined(HAVE_SYS_UN_H) */
@@ -183,78 +203,86 @@ int connection_connect_unix(connection_t *conn, const char *socket_path,
username and password fields. */
#define MAX_SOCKS5_AUTH_SIZE_TOTAL 2*MAX_SOCKS5_AUTH_FIELD_SIZE
int connection_proxy_connect(connection_t *conn, int type);
int connection_read_proxy_handshake(connection_t *conn);
void log_failed_proxy_connection(connection_t *conn);
int get_proxy_addrport(tor_addr_t *addr, uint16_t *port, int *proxy_type,
int *is_pt_out, const connection_t *conn);
int connection_proxy_connect(struct connection_t *conn, int type);
int connection_read_proxy_handshake(struct connection_t *conn);
void log_failed_proxy_connection(struct connection_t *conn);
int get_proxy_addrport(struct tor_addr_t *addr, uint16_t *port,
int *proxy_type,
int *is_pt_out, const struct connection_t *conn);
int retry_all_listeners(smartlist_t *new_conns,
int retry_all_listeners(struct smartlist_t *new_conns,
int close_all_noncontrol);
void connection_mark_all_noncontrol_listeners(void);
void connection_mark_all_noncontrol_connections(void);
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);
ssize_t connection_bucket_write_limit(struct connection_t *conn, time_t now);
int global_write_bucket_low(struct connection_t *conn,
size_t attempt, int priority);
void connection_bucket_init(void);
void connection_bucket_adjust(const or_options_t *options);
void connection_bucket_adjust(const struct or_options_t *options);
void connection_bucket_refill_all(time_t now,
uint32_t now_ts);
void connection_read_bw_exhausted(connection_t *conn, bool is_global_bw);
void connection_write_bw_exhausted(connection_t *conn, bool is_global_bw);
void connection_consider_empty_read_buckets(connection_t *conn);
void connection_consider_empty_write_buckets(connection_t *conn);
void connection_read_bw_exhausted(struct connection_t *conn,
bool is_global_bw);
void connection_write_bw_exhausted(struct connection_t *conn,
bool is_global_bw);
void connection_consider_empty_read_buckets(struct connection_t *conn);
void connection_consider_empty_write_buckets(struct connection_t *conn);
int connection_handle_read(connection_t *conn);
int connection_handle_read(struct connection_t *conn);
int connection_buf_get_bytes(char *string, size_t len, connection_t *conn);
int connection_buf_get_line(connection_t *conn, char *data,
size_t *data_len);
int connection_fetch_from_buf_http(connection_t *conn,
int connection_buf_get_bytes(char *string, size_t len,
struct connection_t *conn);
int connection_buf_get_line(struct connection_t *conn, char *data,
size_t *data_len);
int connection_fetch_from_buf_http(struct connection_t *conn,
char **headers_out, size_t max_headerlen,
char **body_out, size_t *body_used,
size_t max_bodylen, int force_complete);
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);
int connection_flush(connection_t *conn);
int connection_wants_to_flush(struct connection_t *conn);
int connection_outbuf_too_full(struct connection_t *conn);
int connection_handle_write(struct connection_t *conn, int force);
int connection_flush(struct connection_t *conn);
MOCK_DECL(void, connection_write_to_buf_impl_,
(const char *string, size_t len, connection_t *conn, int zlib));
(const char *string, size_t len, struct connection_t *conn,
int zlib));
/* DOCDOC connection_write_to_buf */
static void connection_buf_add(const char *string, size_t len,
connection_t *conn);
struct connection_t *conn);
void connection_dir_buf_add(const char *string, size_t len,
dir_connection_t *dir_conn, int done);
struct dir_connection_t *dir_conn, int done);
static inline void
connection_buf_add(const char *string, size_t len, connection_t *conn)
connection_buf_add(const char *string, size_t len, struct connection_t *conn)
{
connection_write_to_buf_impl_(string, len, conn, 0);
}
void connection_buf_add_compress(const char *string, size_t len,
dir_connection_t *conn, int done);
void connection_buf_add_buf(connection_t *conn, struct buf_t *buf);
struct dir_connection_t *conn, int done);
void connection_buf_add_buf(struct connection_t *conn, struct buf_t *buf);
size_t connection_get_inbuf_len(connection_t *conn);
size_t connection_get_outbuf_len(connection_t *conn);
connection_t *connection_get_by_global_id(uint64_t id);
size_t connection_get_inbuf_len(struct connection_t *conn);
size_t connection_get_outbuf_len(struct connection_t *conn);
struct connection_t *connection_get_by_global_id(uint64_t id);
connection_t *connection_get_by_type(int type);
MOCK_DECL(connection_t *,connection_get_by_type_nonlinked,(int type));
MOCK_DECL(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,
struct connection_t *connection_get_by_type(int type);
MOCK_DECL(struct connection_t *,connection_get_by_type_nonlinked,(int type));
MOCK_DECL(struct connection_t *,connection_get_by_type_addr_port_purpose,
(int type,
const struct tor_addr_t *addr,
uint16_t port, int purpose));
struct connection_t *connection_get_by_type_state(int type, int state);
struct connection_t *connection_get_by_type_state_rendquery(
int type, int state,
const char *rendquery);
smartlist_t *connection_list_by_type_state(int type, int state);
smartlist_t *connection_list_by_type_purpose(int type, int purpose);
smartlist_t *connection_dir_list_by_purpose_and_resource(
struct smartlist_t *connection_list_by_type_state(int type, int state);
struct smartlist_t *connection_list_by_type_purpose(int type, int purpose);
struct smartlist_t *connection_dir_list_by_purpose_and_resource(
int purpose,
const char *resource);
smartlist_t *connection_dir_list_by_purpose_resource_and_state(
struct smartlist_t *connection_dir_list_by_purpose_resource_and_state(
int purpose,
const char *resource,
int state);
@@ -273,7 +301,7 @@ connection_dir_count_by_purpose_and_resource(
int purpose,
const char *resource)
{
smartlist_t *conns = connection_dir_list_by_purpose_and_resource(
struct smartlist_t *conns = connection_dir_list_by_purpose_and_resource(
purpose,
resource);
CONN_LEN_AND_FREE_TEMPLATE(conns);
@@ -287,7 +315,7 @@ connection_dir_count_by_purpose_resource_and_state(
const char *resource,
int state)
{
smartlist_t *conns =
struct smartlist_t *conns =
connection_dir_list_by_purpose_resource_and_state(
purpose,
resource,
@@ -297,26 +325,26 @@ connection_dir_count_by_purpose_resource_and_state(
#undef CONN_LEN_AND_FREE_TEMPLATE
int any_other_active_or_conns(const or_connection_t *this_conn);
int any_other_active_or_conns(const struct or_connection_t *this_conn);
/* || 0 is for -Wparentheses-equality (-Wall?) appeasement under clang */
#define connection_speaks_cells(conn) (((conn)->type == CONN_TYPE_OR) || 0)
int connection_is_listener(connection_t *conn);
int connection_state_is_open(connection_t *conn);
int connection_state_is_connecting(connection_t *conn);
int connection_is_listener(struct connection_t *conn);
int connection_state_is_open(struct connection_t *conn);
int connection_state_is_connecting(struct 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 assert_connection_ok(struct connection_t *conn, time_t now);
int connection_or_nonopen_was_started_here(struct or_connection_t *conn);
void connection_dump_buffer_mem_stats(int severity);
MOCK_DECL(void, clock_skew_warning,
(const connection_t *conn, long apparent_skew, int trusted,
(const struct connection_t *conn, long apparent_skew, int trusted,
log_domain_mask_t domain, const char *received,
const char *source));
int connection_is_moribund(connection_t *conn);
int connection_is_moribund(struct connection_t *conn);
void connection_check_oos(int n_socks, int failed);
/** Execute the statement <b>stmt</b>, which may log events concerning the
@@ -338,18 +366,18 @@ void connection_check_oos(int n_socks, int failed);
STMT_END
#ifdef CONNECTION_PRIVATE
STATIC void connection_free_minimal(connection_t *conn);
STATIC void connection_free_minimal(struct connection_t *conn);
/* Used only by connection.c and test*.c */
MOCK_DECL(STATIC int,connection_connect_sockaddr,
(connection_t *conn,
(struct connection_t *conn,
const struct sockaddr *sa,
socklen_t sa_len,
const struct sockaddr *bindaddr,
socklen_t bindaddr_len,
int *socket_error));
MOCK_DECL(STATIC void, kill_conn_list_for_oos, (smartlist_t *conns));
MOCK_DECL(STATIC smartlist_t *, pick_oos_victims, (int n));
MOCK_DECL(STATIC void, kill_conn_list_for_oos, (struct smartlist_t *conns));
MOCK_DECL(STATIC struct smartlist_t *, pick_oos_victims, (int n));
#endif /* defined(CONNECTION_PRIVATE) */