Extract cell type and their queues into new headers

Since packed_cell and destroy_cell exist only to be queued, they go
in the same headers as the queues.
This commit is contained in:
Nick Mathewson 2018-06-15 15:27:46 -04:00
parent 958df2829a
commit fde868ffe3
34 changed files with 155 additions and 53 deletions

28
src/or/cell_queue_st.h Normal file
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@ -0,0 +1,28 @@
/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2017, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef PACKED_CELL_ST_H
#define PACKED_CELL_ST_H
/** A cell as packed for writing to the network. */
struct packed_cell_t {
/** Next cell queued on this circuit. */
TOR_SIMPLEQ_ENTRY(packed_cell_t) next;
char body[CELL_MAX_NETWORK_SIZE]; /**< Cell as packed for network. */
uint32_t inserted_timestamp; /**< Time (in timestamp units) when this cell
* was inserted */
};
/** A queue of cells on a circuit, waiting to be added to the
* or_connection_t's outbuf. */
struct cell_queue_t {
/** Linked list of packed_cell_t*/
TOR_SIMPLEQ_HEAD(cell_simpleq, packed_cell_t) head;
int n; /**< The number of cells in the queue. */
};
#endif

20
src/or/cell_st.h Normal file
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@ -0,0 +1,20 @@
/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2017, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef CELL_ST_H
#define CELL_ST_H
/** Parsed onion routing cell. All communication between nodes
* is via cells. */
struct cell_t {
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 */
uint8_t payload[CELL_PAYLOAD_SIZE]; /**< Cell body. */
};
#endif

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@ -80,6 +80,8 @@
#include "networkstatus.h"
#include "rendservice.h"
#include "cell_queue_st.h"
/* Global lists of channels */
/* All channel_t instances */

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@ -23,6 +23,7 @@
#include "compat_time.h"
#include "rendservice.h"
#include "cell_st.h"
#include "or_connection_st.h"
STATIC int32_t channelpadding_get_netflow_inactive_timeout_ms(

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@ -60,10 +60,13 @@
#include "channelpadding_negotiation.h"
#include "channelpadding.h"
#include "cell_st.h"
#include "cell_queue_st.h"
#include "or_connection_st.h"
#include "or_handshake_certs_st.h"
#include "or_handshake_state_st.h"
#include "routerinfo_st.h"
#include "var_cell_st.h"
/** How many CELL_PADDING cells have we received, ever? */
uint64_t stats_n_padding_cells_processed = 0;

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@ -35,6 +35,7 @@
#include "networkstatus.h"
#include "relay.h"
#include "cell_st.h"
#include "cpath_build_state_st.h"
#include "crypt_path_st.h"
#include "origin_circuit_st.h"

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@ -9,6 +9,8 @@
#include "or.h"
#include "cell_queue_st.h"
/**
* A circuit is a path over the onion routing
* network. Applications can connect to one end of the circuit, and can

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@ -65,6 +65,7 @@
#include "routerset.h"
#include "transports.h"
#include "cell_st.h"
#include "cpath_build_state_st.h"
#include "entry_connection_st.h"
#include "node_st.h"

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@ -75,6 +75,8 @@
#include "circuitmux.h"
#include "relay.h"
#include "cell_queue_st.h"
#include "destroy_cell_queue_st.h"
#include "or_circuit_st.h"
/*

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@ -56,8 +56,10 @@
#include "router.h"
#include "routerlist.h"
#include "cell_st.h"
#include "or_circuit_st.h"
#include "origin_circuit_st.h"
#include "var_cell_st.h"
/** How many CELL_CREATE cells have we received, ever? */
uint64_t stats_n_create_cells_processed = 0;

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@ -97,6 +97,7 @@
#include "routerset.h"
#include "circuitbuild.h"
#include "cell_st.h"
#include "cpath_build_state_st.h"
#include "dir_connection_st.h"
#include "entry_connection_st.h"

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@ -61,10 +61,13 @@
#include "torcert.h"
#include "channelpadding.h"
#include "cell_st.h"
#include "cell_queue_st.h"
#include "or_connection_st.h"
#include "or_handshake_certs_st.h"
#include "or_handshake_state_st.h"
#include "routerinfo_st.h"
#include "var_cell_st.h"
static int connection_tls_finish_handshake(or_connection_t *conn);
static int connection_or_launch_v3_or_handshake(or_connection_t *conn);

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@ -0,0 +1,27 @@
/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2017, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef DESTROY_CELL_QUEUE_ST_H
#define DESTROY_CELL_QUEUE_ST_H
/** A single queued destroy cell. */
struct destroy_cell_t {
TOR_SIMPLEQ_ENTRY(destroy_cell_t) next;
circid_t circid;
uint32_t inserted_timestamp; /**< Time (in timestamp units) when this cell
* was inserted */
uint8_t reason;
};
/** A queue of destroy cells on a channel. */
struct destroy_cell_queue_t {
/** Linked list of packed_cell_t */
TOR_SIMPLEQ_HEAD(dcell_simpleq, destroy_cell_t) head;
int n; /**< The number of cells in the queue. */
};
#endif

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@ -184,6 +184,8 @@ ORHEADERS = \
src/or/authority_cert_st.h \
src/or/auth_dirs.inc \
src/or/bridges.h \
src/or/cell_st.h \
src/or/cell_queue_st.h \
src/or/channel.h \
src/or/channelpadding.h \
src/or/channeltls.h \
@ -213,6 +215,7 @@ ORHEADERS = \
src/or/crypt_path_reference_st.h \
src/or/cpuworker.h \
src/or/desc_store_st.h \
src/or/destroy_cell_queue_st.h \
src/or/directory.h \
src/or/dirserv.h \
src/or/dir_connection_st.h \
@ -316,6 +319,7 @@ ORHEADERS = \
src/or/torcert.h \
src/or/tor_api_internal.h \
src/or/tor_version_st.h \
src/or/var_cell_st.h \
src/or/vote_microdesc_hash_st.h \
src/or/vote_routerstatus_st.h \
src/or/vote_timing_st.h \

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@ -122,6 +122,7 @@
#include "dirauth/mode.h"
#include "dirauth/shared_random.h"
#include "cell_st.h"
#include "entry_connection_st.h"
#include "networkstatus_st.h"
#include "or_connection_st.h"

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@ -77,6 +77,7 @@
#include "rephist.h"
#include "router.h"
#include "cell_st.h"
#include "or_circuit_st.h"
// trunnel

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@ -1176,26 +1176,12 @@ typedef struct channel_tls_s channel_tls_t;
typedef struct circuitmux_s circuitmux_t;
/** Parsed onion routing cell. All communication between nodes
* is via cells. */
typedef struct cell_t {
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 */
uint8_t payload[CELL_PAYLOAD_SIZE]; /**< Cell body. */
} cell_t;
/** Parsed variable-length onion routing cell. */
typedef struct var_cell_t {
/** Type of the cell: CELL_VERSIONS, etc. */
uint8_t command;
/** Circuit thich received the cell */
circid_t circ_id;
/** Number of bytes actually stored in <b>payload</b> */
uint16_t payload_len;
/** Payload of this cell */
uint8_t payload[FLEXIBLE_ARRAY_MEMBER];
} var_cell_t;
typedef struct cell_t cell_t;
typedef struct var_cell_t var_cell_t;
typedef struct packed_cell_t packed_cell_t;
typedef struct cell_queue_t cell_queue_t;
typedef struct destroy_cell_t destroy_cell_t;
typedef struct destroy_cell_queue_t destroy_cell_queue_t;
/** A parsed Extended ORPort message. */
typedef struct ext_or_cmd_t {
@ -1204,39 +1190,6 @@ typedef struct ext_or_cmd_t {
char body[FLEXIBLE_ARRAY_MEMBER]; /** Message body */
} ext_or_cmd_t;
/** A cell as packed for writing to the network. */
typedef struct packed_cell_t {
/** Next cell queued on this circuit. */
TOR_SIMPLEQ_ENTRY(packed_cell_t) next;
char body[CELL_MAX_NETWORK_SIZE]; /**< Cell as packed for network. */
uint32_t inserted_timestamp; /**< Time (in timestamp units) when this cell
* was inserted */
} packed_cell_t;
/** A queue of cells on a circuit, waiting to be added to the
* or_connection_t's outbuf. */
typedef struct cell_queue_t {
/** Linked list of packed_cell_t*/
TOR_SIMPLEQ_HEAD(cell_simpleq, packed_cell_t) head;
int n; /**< The number of cells in the queue. */
} cell_queue_t;
/** A single queued destroy cell. */
typedef struct destroy_cell_t {
TOR_SIMPLEQ_ENTRY(destroy_cell_t) next;
circid_t circid;
uint32_t inserted_timestamp; /**< Time (in timestamp units) when this cell
* was inserted */
uint8_t reason;
} destroy_cell_t;
/** A queue of destroy cells on a channel. */
typedef struct destroy_cell_queue_t {
/** Linked list of packed_cell_t */
TOR_SIMPLEQ_HEAD(dcell_simpleq, destroy_cell_t) head;
int n; /**< The number of cells in the queue. */
} destroy_cell_queue_t;
/** Beginning of a RELAY cell payload. */
typedef struct {
uint8_t command; /**< The end-to-end relay command. */

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@ -10,6 +10,8 @@
#include "connection_or.h"
#include "var_cell_st.h"
/** True iff the cell command <b>command</b> is one that implies a
* variable-length cell in Tor link protocol <b>linkproto</b>. */
static inline int

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@ -82,8 +82,11 @@
#include "scheduler.h"
#include "rephist.h"
#include "cell_st.h"
#include "cell_queue_st.h"
#include "cpath_build_state_st.h"
#include "dir_connection_st.h"
#include "destroy_cell_queue_st.h"
#include "entry_connection_st.h"
#include "or_circuit_st.h"
#include "origin_circuit_st.h"

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@ -12,6 +12,7 @@
#include "relay.h"
#include "relay_crypto.h"
#include "cell_st.h"
#include "or_circuit_st.h"
#include "origin_circuit_st.h"

23
src/or/var_cell_st.h Normal file
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@ -0,0 +1,23 @@
/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2017, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef VAR_CELL_ST_H
#define VAR_CELL_ST_H
/** Parsed variable-length onion routing cell. */
struct var_cell_t {
/** Type of the cell: CELL_VERSIONS, etc. */
uint8_t command;
/** Circuit thich received the cell */
circid_t circ_id;
/** Number of bytes actually stored in <b>payload</b> */
uint16_t payload_len;
/** Payload of this cell */
uint8_t payload[FLEXIBLE_ARRAY_MEMBER];
};
#endif

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@ -26,6 +26,7 @@
#include "crypto_rand.h"
#include "consdiff.h"
#include "cell_st.h"
#include "or_circuit_st.h"
#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_PROCESS_CPUTIME_ID)

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@ -18,6 +18,11 @@
#include "onion_fast.h"
#include "onion_ntor.h"
#include "relay.h"
#include "cell_st.h"
#include "cell_queue_st.h"
#include "var_cell_st.h"
#include "test.h"
#include <stdlib.h>

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@ -8,6 +8,8 @@
#include "relay.h"
#include "test.h"
#include "cell_st.h"
#include "cell_queue_st.h"
#include "or_circuit_st.h"
#include "origin_circuit_st.h"

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@ -20,9 +20,11 @@
#include "scheduler.h"
#include "networkstatus.h"
#include "cell_st.h"
#include "networkstatus_st.h"
#include "origin_circuit_st.h"
#include "routerstatus_st.h"
#include "var_cell_st.h"
/* Test suite stuff */
#include "log_test_helpers.h"

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@ -20,6 +20,7 @@
#include "networkstatus.h"
#include "log_test_helpers.h"
#include "cell_st.h"
#include "networkstatus_st.h"
#include "or_connection_st.h"
#include "routerstatus_st.h"

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@ -13,6 +13,8 @@
#include "scheduler.h"
#include "test.h"
#include "destroy_cell_queue_st.h"
/* XXXX duplicated function from test_circuitlist.c */
static channel_t *
new_fake_channel(void)

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@ -24,6 +24,7 @@
#include "relay.h"
#include "routerlist.h"
#include "cell_st.h"
#include "connection_st.h"
#include "node_st.h"
#include "origin_circuit_st.h"

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@ -24,6 +24,7 @@
#include "or_connection_st.h"
#include "or_handshake_certs_st.h"
#include "or_handshake_state_st.h"
#include "var_cell_st.h"
#include "test.h"
#include "log_test_helpers.h"

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@ -18,6 +18,7 @@
#include "test.h"
#include "test_helpers.h"
#include "cell_st.h"
#include "entry_connection_st.h"
#include "or_circuit_st.h"
#include "origin_circuit_st.h"

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@ -15,6 +15,8 @@
#include "proto_control0.h"
#include "proto_ext_or.h"
#include "var_cell_st.h"
static void
test_proto_var_cell(void *arg)
{

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@ -9,6 +9,7 @@
/* For init/free stuff */
#include "scheduler.h"
#include "cell_st.h"
#include "or_circuit_st.h"
/* Test suite stuff */

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@ -16,6 +16,7 @@
#include "relay.h"
#include "test.h"
#include "cell_st.h"
#include "crypt_path_st.h"
#include "entry_connection_st.h"
#include "origin_circuit_st.h"

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@ -11,6 +11,7 @@
#include "relay.h"
#include "relay_crypto.h"
#include "cell_st.h"
#include "or_circuit_st.h"
#include "origin_circuit_st.h"