typedef struct orconn_circid_circuit_map_t {
HT_ENTRY(orconn_circid_circuit_map_t) node;
or_connection_t *or_conn;
- uint16_t circ_id;
+ circid_t circ_id;
circuit_t *circuit;
} orconn_circid_circuit_map_t;
static INLINE unsigned int
_orconn_circid_entry_hash(orconn_circid_circuit_map_t *a)
{
- return (((unsigned)a->circ_id)<<16) ^ (unsigned)(uintptr_t)(a->or_conn);
+ return (((unsigned)a->circ_id)<<8) ^ (unsigned)(uintptr_t)(a->or_conn);
}
/** Map from [orconn,circid] to circuit. */
* XXX "active" isn't an arg anymore */
static void
circuit_set_circid_orconn_helper(circuit_t *circ, int direction,
- uint16_t id,
+ circid_t id,
or_connection_t *conn)
{
orconn_circid_circuit_map_t search;
orconn_circid_circuit_map_t *found;
or_connection_t *old_conn, **conn_ptr;
- uint16_t old_id, *circid_ptr;
+ circid_t old_id, *circid_ptr;
int was_active, make_active;
if (direction == CELL_DIRECTION_OUT) {
* with the corresponding circuit ID, and add the circuit as appropriate
* to the (orconn,id)-\>circuit map. */
void
-circuit_set_p_circid_orconn(or_circuit_t *circ, uint16_t id,
+circuit_set_p_circid_orconn(or_circuit_t *circ, circid_t id,
or_connection_t *conn)
{
circuit_set_circid_orconn_helper(TO_CIRCUIT(circ), CELL_DIRECTION_IN,
* with the corresponding circuit ID, and add the circuit as appropriate
* to the (orconn,id)-\>circuit map. */
void
-circuit_set_n_circid_orconn(circuit_t *circ, uint16_t id,
+circuit_set_n_circid_orconn(circuit_t *circ, circid_t id,
or_connection_t *conn)
{
circuit_set_circid_orconn_helper(circ, CELL_DIRECTION_OUT, id, conn);
/** Allocate a new or_circuit_t, connected to <b>p_conn</b> as
* <b>p_circ_id</b>. If <b>p_conn</b> is NULL, the circuit is unattached. */
or_circuit_t *
-or_circuit_new(uint16_t p_circ_id, or_connection_t *p_conn)
+or_circuit_new(circid_t p_circ_id, or_connection_t *p_conn)
{
/* CircIDs */
or_circuit_t *circ;
* Return NULL if no such circuit exists.
*/
static INLINE circuit_t *
-circuit_get_by_circid_orconn_impl(uint16_t circ_id, or_connection_t *conn)
+circuit_get_by_circid_orconn_impl(circid_t circ_id, or_connection_t *conn)
{
orconn_circid_circuit_map_t search;
orconn_circid_circuit_map_t *found;
* Return NULL if no such circuit exists.
*/
circuit_t *
-circuit_get_by_circid_orconn(uint16_t circ_id, or_connection_t *conn)
+circuit_get_by_circid_orconn(circid_t circ_id, or_connection_t *conn)
{
circuit_t *circ = circuit_get_by_circid_orconn_impl(circ_id, conn);
if (!circ || circ->marked_for_close)
/** Return true iff the circuit ID <b>circ_id</b> is currently used by a
* circuit, marked or not, on <b>conn</b>. */
int
-circuit_id_in_use_on_orconn(uint16_t circ_id, or_connection_t *conn)
+circuit_id_in_use_on_orconn(circid_t circ_id, or_connection_t *conn)
{
return circuit_get_by_circid_orconn_impl(circ_id, conn) != NULL;
}
/** Largest number of bytes that can fit in a relay cell payload. */
#define RELAY_PAYLOAD_SIZE (CELL_PAYLOAD_SIZE-RELAY_HEADER_SIZE)
+/** Identifies a circuit on an or_connection */
+typedef uint16_t circid_t;
+/** Identifies a stream on a circuit */
+typedef uint16_t streamid_t;
+
/** Parsed onion routing cell. All communication between nodes
* is via cells. */
typedef struct cell_t {
- uint16_t circ_id; /**< Circuit which received the cell. */
+ circid_t circ_id; /**< Circuit which received the cell. */
uint8_t command; /**< Type of the cell: one of CELL_PADDING, CELL_CREATE,
* CELL_DESTROY, etc */
char payload[CELL_PAYLOAD_SIZE]; /**< Cell body. */
/** Parsed variable-length onion routing cell. */
typedef struct var_cell_t {
uint8_t command;
- uint16_t circ_id;
+ circid_t circ_id;
uint16_t payload_len;
char payload[1];
} var_cell_t;
typedef struct {
uint8_t command; /**< The end-to-end relay command. */
uint16_t recognized; /**< Used to tell whether cell is for us. */
- uint16_t stream_id; /**< Which stream is this cell associated with? */
+ streamid_t stream_id; /**< Which stream is this cell associated with? */
char integrity[4]; /**< Used to tell whether cell is corrupted. */
uint16_t length; /**< How long is the payload body? */
} relay_header_t;
unsigned int is_canonical:1;
uint8_t link_proto; /**< What protocol version are we using? 0 for
* "none negotiated yet." */
- uint16_t next_circ_id; /**< Which circ_id do we try to use next on
+ circid_t next_circ_id; /**< Which circ_id do we try to use next on
* this connection? This is always in the
* range 0..1<<15-1. */
uint32_t address_ttl; /**< TTL for address-to-addr mapping on exit
* connection. Exit connections only. */
- uint16_t stream_id; /**< The stream ID used for this edge connection on its
- * circuit */
+ streamid_t stream_id; /**< The stream ID used for this edge connection on its
+ * circuit */
/** The reason why this connection is closing; passed to the controller. */
uint16_t end_reason;
#define ORIGIN_CIRCUIT_MAGIC 0x35315243u
#define OR_CIRCUIT_MAGIC 0x98ABC04Fu
-typedef uint16_t circid_t;
-
/**
* A circuit is a path over the onion routing
* network. Applications can connect to one end of the circuit, and can
/** The identity hash of n_conn. */
char n_conn_id_digest[DIGEST_LEN];
/** The circuit_id used in the next (forward) hop of this circuit. */
- uint16_t n_circ_id;
+ circid_t n_circ_id;
/** The port for the OR that is next in this circuit. */
uint16_t n_port;
/** The IPv4 address of the OR that is next in this circuit. */
/** The next stream_id that will be tried when we're attempting to
* construct a new AP stream originating at this circuit. */
- uint16_t next_stream_id;
+ streamid_t next_stream_id;
/** Quasi-global identifier for this circuit; used for control.c */
/* XXXX NM This can get re-used after 2**32 circuits. */
circuit_t * _circuit_get_global_list(void);
const char *circuit_state_to_string(int state);
void circuit_dump_by_conn(connection_t *conn, int severity);
-void circuit_set_p_circid_orconn(or_circuit_t *circ, uint16_t id,
+void circuit_set_p_circid_orconn(or_circuit_t *circ, circid_t id,
or_connection_t *conn);
-void circuit_set_n_circid_orconn(circuit_t *circ, uint16_t id,
+void circuit_set_n_circid_orconn(circuit_t *circ, circid_t id,
or_connection_t *conn);
void circuit_set_state(circuit_t *circ, uint8_t state);
void circuit_close_all_marked(void);
origin_circuit_t *origin_circuit_new(void);
-or_circuit_t *or_circuit_new(uint16_t p_circ_id, or_connection_t *p_conn);
-circuit_t *circuit_get_by_circid_orconn(uint16_t circ_id,
+or_circuit_t *or_circuit_new(circid_t p_circ_id, or_connection_t *p_conn);
+circuit_t *circuit_get_by_circid_orconn(circid_t circ_id,
or_connection_t *conn);
-int circuit_id_in_use_on_orconn(uint16_t circ_id, or_connection_t *conn);
+int circuit_id_in_use_on_orconn(circid_t circ_id, or_connection_t *conn);
circuit_t *circuit_get_by_edge_conn(edge_connection_t *conn);
void circuit_unlink_all_from_or_conn(or_connection_t *conn, int reason);
origin_circuit_t *circuit_get_by_global_id(uint32_t id);
int connection_edge_reached_eof(edge_connection_t *conn);
int connection_edge_process_inbuf(edge_connection_t *conn,
int package_partial);
-int connection_edge_destroy(uint16_t circ_id, edge_connection_t *conn);
+int connection_edge_destroy(circid_t circ_id, edge_connection_t *conn);
int connection_edge_end(edge_connection_t *conn, char reason);
int connection_edge_end_errno(edge_connection_t *conn);
int connection_edge_finished_flushing(edge_connection_t *conn);
or_connection_t *conn);
void connection_or_write_var_cell_to_buf(const var_cell_t *cell,
or_connection_t *conn);
-int connection_or_send_destroy(uint16_t circ_id, or_connection_t *conn,
+int connection_or_send_destroy(circid_t circ_id, or_connection_t *conn,
int reason);
int connection_or_send_netinfo(or_connection_t *conn);
int connection_or_send_cert(or_connection_t *conn);
void relay_header_pack(char *dest, const relay_header_t *src);
void relay_header_unpack(relay_header_t *dest, const char *src);
-int relay_send_command_from_edge(uint16_t stream_id, circuit_t *circ,
+int relay_send_command_from_edge(streamid_t stream_id, circuit_t *circ,
uint8_t relay_command, const char *payload,
size_t payload_len, crypt_path_t *cpath_layer);
int connection_edge_send_command(edge_connection_t *fromconn,