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libwebsockets/lib/core-net/private-lib-core-net.h

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/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#if !defined(__LWS_CORE_NET_PRIVATE_H__)
#define __LWS_CORE_NET_PRIVATE_H__
#if !defined(_POSIX_C_SOURCE)
#define _POSIX_C_SOURCE 200112L
#endif
/*
* Generic pieces needed to manage muxable stream protocols like h2
*/
struct lws_muxable {
struct lws *parent_wsi;
struct lws *child_list;
struct lws *sibling_list;
unsigned int my_sid;
unsigned int child_count;
uint32_t highest_sid;
uint8_t requested_POLLOUT;
};
#include "private-lib-roles.h"
#ifdef __cplusplus
extern "C" {
#endif
#define __lws_sul_insert_us(owner, sul, _us) \
(sul)->us = lws_now_usecs() + (lws_usec_t)(_us); \
__lws_sul_insert(owner, sul)
/*
*
* ------ roles ------
*
*/
/* null-terminated array of pointers to roles lws built with */
extern const struct lws_role_ops *available_roles[];
#define LWS_FOR_EVERY_AVAILABLE_ROLE_START(xx) { \
const struct lws_role_ops **ppxx = available_roles; \
while (*ppxx) { \
const struct lws_role_ops *xx = *ppxx++;
#define LWS_FOR_EVERY_AVAILABLE_ROLE_END }}
/*
*
* ------ event_loop ops ------
*
*/
/* enums of socks version */
enum socks_version {
SOCKS_VERSION_4 = 4,
SOCKS_VERSION_5 = 5
};
/* enums of subnegotiation version */
enum socks_subnegotiation_version {
SOCKS_SUBNEGOTIATION_VERSION_1 = 1,
};
/* enums of socks commands */
enum socks_command {
SOCKS_COMMAND_CONNECT = 1,
SOCKS_COMMAND_BIND = 2,
SOCKS_COMMAND_UDP_ASSOCIATE = 3
};
/* enums of socks address type */
enum socks_atyp {
SOCKS_ATYP_IPV4 = 1,
SOCKS_ATYP_DOMAINNAME = 3,
SOCKS_ATYP_IPV6 = 4
};
/* enums of socks authentication methods */
enum socks_auth_method {
SOCKS_AUTH_NO_AUTH = 0,
SOCKS_AUTH_GSSAPI = 1,
SOCKS_AUTH_USERNAME_PASSWORD = 2
};
/* enums of subnegotiation status */
enum socks_subnegotiation_status {
SOCKS_SUBNEGOTIATION_STATUS_SUCCESS = 0,
};
/* enums of socks request reply */
enum socks_request_reply {
SOCKS_REQUEST_REPLY_SUCCESS = 0,
SOCKS_REQUEST_REPLY_FAILURE_GENERAL = 1,
SOCKS_REQUEST_REPLY_CONNECTION_NOT_ALLOWED = 2,
SOCKS_REQUEST_REPLY_NETWORK_UNREACHABLE = 3,
SOCKS_REQUEST_REPLY_HOST_UNREACHABLE = 4,
SOCKS_REQUEST_REPLY_CONNECTION_REFUSED = 5,
SOCKS_REQUEST_REPLY_TTL_EXPIRED = 6,
SOCKS_REQUEST_REPLY_COMMAND_NOT_SUPPORTED = 7,
SOCKS_REQUEST_REPLY_ATYP_NOT_SUPPORTED = 8
};
/* enums used to generate socks messages */
enum socks_msg_type {
/* greeting */
SOCKS_MSG_GREETING,
/* credential, user name and password */
SOCKS_MSG_USERNAME_PASSWORD,
/* connect command */
SOCKS_MSG_CONNECT
};
enum {
LWS_RXFLOW_ALLOW = (1 << 0),
LWS_RXFLOW_PENDING_CHANGE = (1 << 1),
};
typedef enum lws_parser_return {
LPR_FORBIDDEN = -2,
LPR_FAIL = -1,
LPR_OK = 0,
LPR_DO_FALLBACK = 2,
} lws_parser_return_t;
enum pmd_return {
PMDR_UNKNOWN,
PMDR_DID_NOTHING,
PMDR_HAS_PENDING,
PMDR_EMPTY_NONFINAL,
PMDR_EMPTY_FINAL,
PMDR_NOTHING_WE_SHOULD_DO,
PMDR_FAILED = -1
};
#if defined(LWS_WITH_PEER_LIMITS)
struct lws_peer {
struct lws_peer *next;
struct lws_peer *peer_wait_list;
lws_sockaddr46 sa46;
time_t time_created;
time_t time_closed_all;
uint32_t hash;
uint32_t count_wsi;
uint32_t total_wsi;
#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
struct lws_peer_role_http http;
#endif
};
#endif
#ifdef LWS_WITH_IPV6
#define LWS_IPV6_ENABLED(vh) \
(!lws_check_opt(vh->context->options, LWS_SERVER_OPTION_DISABLE_IPV6) && \
!lws_check_opt(vh->options, LWS_SERVER_OPTION_DISABLE_IPV6))
#else
#define LWS_IPV6_ENABLED(context) (0)
#endif
#ifdef LWS_WITH_UNIX_SOCK
#define LWS_UNIX_SOCK_ENABLED(vhost) \
(vhost->options & LWS_SERVER_OPTION_UNIX_SOCK)
#else
#define LWS_UNIX_SOCK_ENABLED(vhost) (0)
#endif
enum uri_path_states {
URIPS_IDLE,
URIPS_SEEN_SLASH,
URIPS_SEEN_SLASH_DOT,
URIPS_SEEN_SLASH_DOT_DOT,
};
enum uri_esc_states {
URIES_IDLE,
URIES_SEEN_PERCENT,
URIES_SEEN_PERCENT_H1,
};
#if defined(LWS_WITH_CLIENT)
enum {
CIS_ADDRESS,
CIS_PATH,
CIS_HOST,
CIS_ORIGIN,
CIS_PROTOCOL,
CIS_METHOD,
CIS_IFACE,
CIS_ALPN,
CIS_LOCALPORT,
CIS_USERNAME,
CIS_PASSWORD,
CIS_COUNT
};
struct client_info_stash {
char *cis[CIS_COUNT];
void *opaque_user_data; /* not allocated or freed by lws */
};
#endif
#if defined(LWS_WITH_UDP)
#define lws_wsi_is_udp(___wsi) (!!___wsi->udp)
#endif
#define LWS_H2_FRAME_HEADER_LENGTH 9
lws_usec_t
__lws_sul_service_ripe(lws_dll2_owner_t *own, int num_own, lws_usec_t usnow);
/*
* lws_async_dns
*/
typedef struct lws_async_dns_server {
lws_dll2_t list;
lws_sockaddr46 sa46; /* nameserver */
lws_dll2_owner_t waiting;
int refcount;
struct lws *wsi;
time_t time_set_server;
uint8_t dns_server_set:1;
uint8_t dns_server_connected:1;
} lws_async_dns_server_t;
typedef struct lws_async_dns {
lws_dll2_owner_t nameservers; /* lws_async_dns_server_t */
lws_dll2_owner_t cached;
struct lws_context *cx;
} lws_async_dns_t;
#define lws_async_dns_from_server(_s) ((lws_async_dns_t *)_s->list.owner)
typedef enum {
LADNS_CONF_SERVER_UNKNOWN = -1,
LADNS_CONF_SERVER_SAME,
LADNS_CONF_SERVER_CHANGED
} lws_async_dns_server_check_t;
#if defined(LWS_WITH_SYS_ASYNC_DNS)
void
lws_aysnc_dns_completed(struct lws *wsi, void *sa, size_t salen,
lws_async_dns_retcode_t ret);
#endif
void
lws_async_dns_cancel(struct lws *wsi);
void
lws_async_dns_drop_server(lws_async_dns_server_t *dsrv);
/*
* so we can have n connections being serviced simultaneously,
* these things need to be isolated per-thread.
*/
struct lws_context_per_thread {
#if LWS_MAX_SMP > 1
pthread_mutex_t lock_stats;
struct lws_mutex_refcount mr;
pthread_t self;
#endif
struct lws_dll2_owner dll_buflist_owner; /* guys with pending rxflow */
lws_dll2_owner_t attach_owner; /* pending lws_attach */
#if defined(LWS_WITH_SECURE_STREAMS)
lws_dll2_owner_t ss_owner;
#endif
#if defined(LWS_WITH_SECURE_STREAMS_PROXY_API) || \
defined(LWS_WITH_SECURE_STREAMS_THREAD_API)
lws_dll2_owner_t ss_dsh_owner;
lws_dll2_owner_t ss_client_owner;
#endif
struct lws_dll2_owner pt_sul_owner[LWS_COUNT_PT_SUL_OWNERS];
#if (defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)) && defined(LWS_WITH_SERVER)
lws_sorted_usec_list_t sul_ah_lifecheck;
#endif
#if defined(LWS_WITH_TLS) && defined(LWS_WITH_SERVER)
lws_sorted_usec_list_t sul_tls;
#endif
#if defined(LWS_PLAT_UNIX)
lws_sorted_usec_list_t sul_plat;
#endif
#if defined(LWS_ROLE_CGI)
lws_sorted_usec_list_t sul_cgi;
#endif
#if defined(LWS_WITH_PEER_LIMITS)
lws_sorted_usec_list_t sul_peer_limits;
#endif
#if !defined(LWS_PLAT_FREERTOS)
struct lws *fake_wsi; /* used for callbacks where there's no wsi */
#endif
#if defined(WIN32)
struct sockaddr_in frt_pipe_si;
#endif
#if defined(LWS_WITH_TLS)
struct lws_pt_tls tls;
#endif
struct lws_context *context;
/*
* usable by anything in the service code, but only if the scope
* does not last longer than the service action (since next service
* of any socket can likewise use it and overwrite)
*/
unsigned char *serv_buf;
struct lws_pollfd *fds;
volatile struct lws_foreign_thread_pollfd * volatile foreign_pfd_list;
lws_sockfd_type dummy_pipe_fds[2];
struct lws *pipe_wsi;
/* --- role based members --- */
#if defined(LWS_ROLE_WS) && !defined(LWS_WITHOUT_EXTENSIONS)
struct lws_pt_role_ws ws;
#endif
#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
struct lws_pt_role_http http;
#endif
#if defined(LWS_ROLE_DBUS)
struct lws_pt_role_dbus dbus;
#endif
/* --- event library based members --- */
void *evlib_pt; /* overallocated */
/* --- */
unsigned long count_conns;
unsigned int fds_count;
/*
* set to the Thread ID that's doing the service loop just before entry
* to poll indicates service thread likely idling in poll()
* volatile because other threads may check it as part of processing
* for pollfd event change.
*/
volatile int service_tid;
int service_tid_detected;
#if !defined(LWS_PLAT_FREERTOS)
int count_event_loop_static_asset_handles;
#endif
volatile unsigned char inside_poll;
volatile unsigned char foreign_spinlock;
unsigned char tid;
unsigned char inside_service:1;
unsigned char inside_lws_service:1;
unsigned char event_loop_foreign:1;
unsigned char event_loop_destroy_processing_done:1;
unsigned char event_loop_pt_unused:1;
unsigned char destroy_self:1;
unsigned char is_destroyed:1;
};
/*
* virtual host -related context information
* vhostwide SSL context
* vhostwide proxy
*
* hierarchy:
*
* context -> vhost -> wsi
*
* incoming connection non-SSL vhost binding:
*
* listen socket -> wsi -> select vhost after first headers
*
* incoming connection SSL vhost binding:
*
* SSL SNI -> wsi -> bind after SSL negotiation
*/
struct lws_vhost {
#if defined(LWS_WITH_CLIENT) && defined(LWS_CLIENT_HTTP_PROXYING)
char proxy_basic_auth_token[128];
#endif
#if LWS_MAX_SMP > 1
struct lws_mutex_refcount mr;
char close_flow_vs_tsi[LWS_MAX_SMP];
#endif
#if defined(LWS_ROLE_H2)
struct lws_vhost_role_h2 h2;
#endif
#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
struct lws_vhost_role_http http;
#endif
#if defined(LWS_ROLE_WS) && !defined(LWS_WITHOUT_EXTENSIONS)
struct lws_vhost_role_ws ws;
#endif
lws_lifecycle_t lc;
lws_dll2_t vh_being_destroyed_list;
#if defined(LWS_WITH_SOCKS5)
char socks_proxy_address[128];
char socks_user[96];
char socks_password[96];
#endif
#if defined(LWS_WITH_TLS_SESSIONS)
lws_dll2_owner_t tls_sessions; /* vh lock */
#endif
#if defined(LWS_WITH_EVENT_LIBS)
void *evlib_vh; /* overallocated */
#endif
#if defined(LWS_WITH_SYS_METRICS)
lws_metric_t *mt_traffic_rx;
lws_metric_t *mt_traffic_tx;
#endif
#if defined(LWS_WITH_SYS_FAULT_INJECTION)
lws_fi_ctx_t fic;
/**< Fault Injection ctx for the vhost, hierarchy vhost->context */
#endif
uint64_t options;
struct lws_context *context;
struct lws_vhost *vhost_next;
const lws_retry_bo_t *retry_policy;
#if defined(LWS_WITH_TLS_JIT_TRUST)
lws_sorted_usec_list_t sul_unref; /* grace period after idle */
#endif
#if defined(LWS_WITH_SERVER) && defined(LWS_WITH_SECURE_STREAMS)
lws_ss_handle_t *ss_handle; /* ss handle for the server obj */
#endif
lws_dll2_owner_t listen_wsi;
const char *name;
const char *iface;
const char *listen_accept_role;
const char *listen_accept_protocol;
const char *unix_socket_perms;
void (*finalize)(struct lws_vhost *vh, void *arg);
void *finalize_arg;
const struct lws_protocols *protocols;
void **protocol_vh_privs;
const struct lws_protocol_vhost_options *pvo;
const struct lws_protocol_vhost_options *headers;
struct lws_dll2_owner *same_vh_protocol_owner;
struct lws_vhost *no_listener_vhost_list;
struct lws_dll2_owner abstract_instances_owner; /* vh lock */
#if defined(LWS_WITH_CLIENT)
struct lws_dll2_owner dll_cli_active_conns_owner;
#endif
struct lws_dll2_owner vh_awaiting_socket_owner;
#if defined(LWS_WITH_TLS)
struct lws_vhost_tls tls;
#endif
void *user;
int listen_port;
#if !defined(LWS_PLAT_FREERTOS) && !defined(OPTEE_TA) && !defined(WIN32)
int bind_iface;
#endif
#if defined(LWS_WITH_SOCKS5)
unsigned int socks_proxy_port;
#endif
int count_protocols;
int ka_time;
int ka_probes;
int ka_interval;
int keepalive_timeout;
int timeout_secs_ah_idle;
int connect_timeout_secs;
int fo_listen_queue;
int count_bound_wsi;
#ifdef LWS_WITH_ACCESS_LOG
int log_fd;
#endif
#if defined(LWS_WITH_TLS_SESSIONS)
uint32_t tls_session_cache_max;
#endif
#if defined(LWS_WITH_SECURE_STREAMS_STATIC_POLICY_ONLY) || defined(LWS_WITH_SECURE_STREAMS_CPP)
int8_t ss_refcount;
/**< refcount of number of ss connections with streamtypes using this
* trust store */
#endif
uint8_t allocated_vhost_protocols:1;
uint8_t created_vhost_protocols:1;
uint8_t being_destroyed:1;
uint8_t from_ss_policy:1;
#if defined(LWS_WITH_TLS_JIT_TRUST)
uint8_t grace_after_unref:1;
/* grace time / autodelete aoplies to us */
#endif
unsigned char default_protocol_index;
unsigned char raw_protocol_index;
};
void
__lws_vhost_destroy2(struct lws_vhost *vh);
#define mux_to_wsi(_m) lws_container_of(_m, struct lws, mux)
void
lws_wsi_mux_insert(struct lws *wsi, struct lws *parent_wsi, unsigned int sid);
int
lws_wsi_mux_mark_parents_needing_writeable(struct lws *wsi);
struct lws *
lws_wsi_mux_move_child_to_tail(struct lws **wsi2);
int
lws_wsi_mux_action_pending_writeable_reqs(struct lws *wsi);
void
lws_wsi_mux_dump_children(struct lws *wsi);
void
lws_wsi_mux_close_children(struct lws *wsi, int reason);
void
lws_wsi_mux_sibling_disconnect(struct lws *wsi);
void
lws_wsi_mux_dump_waiting_children(struct lws *wsi);
int
lws_wsi_mux_apply_queue(struct lws *wsi);
/*
* struct lws
*/
/*
* These pieces are very commonly used (via accessors) in user protocol handlers
* and have to be valid, even in the case no real wsi is available for the cb.
*
* We put all this category of pointers in there and compose it at the top of
* struct lws, so a dummy wsi providing these only needs to be this big, while
* still being castable for being a struct wsi *
*/
struct lws_a {
struct lws_context *context;
struct lws_vhost *vhost;
const struct lws_protocols *protocol;
void *opaque_user_data;
};
/*
* For RTOS-class platforms, their code is relatively new, post-minimal examples
* and tend to not have legacy user protocol handler baggage touching unexpected
* things in fakewsi unconditionally... we can use an lws_a on the stack and
* don't need to define the rest of the wsi content, just cast it, this saves
* a wsi footprint in heap (typ 800 bytes nowadays even on RTOS).
*
* For other platforms that have been around for years and have thousands of
* different user protocol handler implementations, it's likely some of them
* will be touching the struct lws content unconditionally in the handler even
* when we are calling back with a non wsi-specific reason, and may react badly
* to it being garbage. So continue to implement those as a full, zero-ed down
* prepared fakewsi on heap at context creation time.
*/
#if defined(LWS_PLAT_FREERTOS)
#define lws_fakewsi_def_plwsa(pt) struct lws_a lwsa, *plwsa = &lwsa
#else
#define lws_fakewsi_def_plwsa(pt) struct lws_a *plwsa = &(pt)->fake_wsi->a
#endif
/* since we reuse the pt version, also correct to zero down the lws_a part */
#define lws_fakewsi_prep_plwsa_ctx(_c) \
memset(plwsa, 0, sizeof(*plwsa)); plwsa->context = _c
struct lws {
struct lws_a a;
/* structs */
#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
struct _lws_http_mode_related http;
#endif
#if defined(LWS_ROLE_H2)
struct _lws_h2_related h2;
#endif
#if defined(LWS_ROLE_WS)
struct _lws_websocket_related *ws; /* allocated if we upgrade to ws */
#endif
#if defined(LWS_ROLE_DBUS)
struct _lws_dbus_mode_related dbus;
#endif
#if defined(LWS_ROLE_MQTT)
struct _lws_mqtt_related *mqtt;
#endif
#if defined(LWS_ROLE_H2) || defined(LWS_ROLE_MQTT)
struct lws_muxable mux;
struct lws_tx_credit txc;
#endif
lws_lifecycle_t lc;
/* lifetime members */
#if defined(LWS_WITH_EVENT_LIBS)
void *evlib_wsi; /* overallocated */
#endif
lws_sorted_usec_list_t sul_timeout;
lws_sorted_usec_list_t sul_hrtimer;
lws_sorted_usec_list_t sul_validity;
lws_sorted_usec_list_t sul_connect_timeout;
#if defined(WIN32)
lws_sorted_usec_list_t win32_sul_connect_async_check;
#endif
struct lws_dll2 dll_buflist; /* guys with pending rxflow */
struct lws_dll2 same_vh_protocol;
struct lws_dll2 vh_awaiting_socket;
#if defined(LWS_WITH_SYS_ASYNC_DNS)
struct lws_dll2 adns; /* on adns list of guys to tell result */
lws_async_dns_cb_t adns_cb; /* callback with result */
#endif
#if defined(LWS_WITH_SERVER)
struct lws_dll2 listen_list;
#endif
#if defined(LWS_WITH_CLIENT)
struct lws_dll2 dll_cli_active_conns;
struct lws_dll2 dll2_cli_txn_queue;
struct lws_dll2_owner dll2_cli_txn_queue_owner;
/**< caliper is reused for tcp, tls and txn conn phases */
lws_dll2_t speculative_list;
lws_dll2_owner_t speculative_connect_owner;
/* wsis: additional connection candidates */
lws_dll2_owner_t dns_sorted_list;
/* lws_dns_sort_t: dns results wrapped and sorted in a linked-list...
* deleted as they are tried, list empty == everything tried */
#endif
#if defined(LWS_WITH_SYS_FAULT_INJECTION)
lws_fi_ctx_t fic;
/**< Fault Injection ctx for the wsi, hierarchy wsi->vhost->context */
lws_sorted_usec_list_t sul_fault_timedclose;
/**< used to inject a fault that closes the wsi after a random time */
#endif
#if defined(LWS_WITH_SYS_METRICS)
lws_metrics_caliper_compose(cal_conn)
#endif
lws_sockaddr46 sa46_local;
lws_sockaddr46 sa46_peer;
/* pointers */
struct lws *parent; /* points to parent, if any */
struct lws *child_list; /* points to first child */
struct lws *sibling_list; /* subsequent children at same level */
const struct lws_role_ops *role_ops;
const lws_retry_bo_t *retry_policy;
lws_log_cx_t *log_cx;
#if defined(LWS_WITH_THREADPOOL) && defined(LWS_HAVE_PTHREAD_H)
lws_dll2_owner_t tp_task_owner; /* struct lws_threadpool_task */
#endif
#if defined(LWS_WITH_PEER_LIMITS)
struct lws_peer *peer;
#endif
#if defined(LWS_WITH_UDP)
struct lws_udp *udp;
#endif
#if defined(LWS_WITH_CLIENT)
struct client_info_stash *stash;
char *cli_hostname_copy;
#if defined(LWS_WITH_CONMON)
struct lws_conmon conmon;
lws_usec_t conmon_datum;
#endif
#endif /* WITH_CLIENT */
void *user_space;
void *opaque_parent_data;
struct lws_buflist *buflist; /* input-side buflist */
struct lws_buflist *buflist_out; /* output-side buflist */
#if defined(LWS_WITH_TLS)
struct lws_lws_tls tls;
char alpn[24];
#endif
lws_sock_file_fd_type desc; /* .filefd / .sockfd */
lws_wsi_state_t wsistate;
lws_wsi_state_t wsistate_pre_close;
/* ints */
#define LWS_NO_FDS_POS (-1)
int position_in_fds_table;
#if defined(LWS_WITH_CLIENT)
int chunk_remaining;
int flags;
#endif
unsigned int cache_secs;
short bugcatcher;
unsigned int hdr_parsing_completed:1;
unsigned int mux_substream:1;
unsigned int upgraded_to_http2:1;
unsigned int mux_stream_immortal:1;
unsigned int h2_stream_carries_ws:1; /* immortal set as well */
unsigned int h2_stream_carries_sse:1; /* immortal set as well */
unsigned int h2_acked_settings:1;
unsigned int seen_nonpseudoheader:1;
unsigned int listener:1;
unsigned int pf_packet:1;
unsigned int do_broadcast:1;
unsigned int user_space_externally_allocated:1;
unsigned int socket_is_permanently_unusable:1;
unsigned int rxflow_change_to:2;
unsigned int conn_stat_done:1;
unsigned int cache_reuse:1;
unsigned int cache_revalidate:1;
unsigned int cache_intermediaries:1;
unsigned int cache_no:1;
unsigned int favoured_pollin:1;
unsigned int sending_chunked:1;
unsigned int interpreting:1;
unsigned int already_did_cce:1;
unsigned int told_user_closed:1;
unsigned int told_event_loop_closed:1;
unsigned int waiting_to_send_close_frame:1;
unsigned int close_needs_ack:1;
unsigned int ipv6:1;
unsigned int parent_pending_cb_on_writable:1;
unsigned int cgi_stdout_zero_length:1;
unsigned int seen_zero_length_recv:1;
unsigned int rxflow_will_be_applied:1;
unsigned int event_pipe:1;
unsigned int handling_404:1;
unsigned int protocol_bind_balance:1;
unsigned int unix_skt:1;
unsigned int close_when_buffered_out_drained:1;
unsigned int h1_ws_proxied:1;
unsigned int proxied_ws_parent:1;
unsigned int do_bind:1;
unsigned int validity_hup:1;
unsigned int skip_fallback:1;
unsigned int file_desc:1;
unsigned int conn_validity_wakesuspend:1;
unsigned int dns_reachability:1;
unsigned int mount_hit:1;
unsigned int could_have_pending:1; /* detect back-to-back writes */
unsigned int outer_will_close:1;
unsigned int shadow:1; /* we do not control fd lifecycle at all */
#if defined(LWS_WITH_SECURE_STREAMS)
unsigned int for_ss:1;
unsigned int bound_ss_proxy_conn:1;
unsigned int client_bound_sspc:1;
unsigned int client_proxy_onward:1;
#endif
unsigned int tls_borrowed:1;
unsigned int tls_borrowed_hs:1;
unsigned int tls_read_wanted_write:1;
#ifdef LWS_WITH_ACCESS_LOG
unsigned int access_log_pending:1;
#endif
#if defined(LWS_WITH_CLIENT)
unsigned int do_ws:1; /* whether we are doing http or ws flow */
unsigned int chunked:1; /* if the clientside connection is chunked */
unsigned int client_rx_avail:1;
unsigned int client_http_body_pending:1;
unsigned int transaction_from_pipeline_queue:1;
unsigned int keepalive_active:1;
unsigned int keepalive_rejected:1;
unsigned int redirected_to_get:1;
unsigned int client_pipeline:1;
unsigned int client_h2_alpn:1;
unsigned int client_mux_substream:1;
unsigned int client_mux_migrated:1;
unsigned int client_subsequent_mime_part:1;
unsigned int client_no_follow_redirect:1;
unsigned int client_suppress_CONNECTION_ERROR:1;
/**< because the client connection creation api is still the parent of
* this activity, and will report the failure */
unsigned int tls_session_reused:1;
unsigned int perf_done:1;
unsigned int close_is_redirect:1;
unsigned int client_mux_substream_was:1;
#endif
#ifdef _WIN32
unsigned int sock_send_blocking:1;
#endif
uint16_t ocport, c_port, conn_port;
uint16_t retry;
#if defined(LWS_WITH_CLIENT)
uint16_t keep_warm_secs;
#endif
/* chars */
char lws_rx_parse_state; /* enum lws_rx_parse_state */
char rx_frame_type; /* enum lws_write_protocol */
char pending_timeout; /* enum pending_timeout */
char tsi; /* thread service index we belong to */
char protocol_interpret_idx;
char redirects;
uint8_t rxflow_bitmap;
uint8_t bound_vhost_index;
uint8_t lsp_channel; /* which of stdin/out/err */
#ifdef LWS_WITH_CGI
char hdr_state;
#endif
#if defined(LWS_WITH_CLIENT)
char chunk_parser; /* enum lws_chunk_parser */
uint8_t addrinfo_idx;
uint8_t sys_tls_client_cert;
uint8_t c_pri;
#endif
uint8_t af;
#if defined(LWS_WITH_CGI) || defined(LWS_WITH_CLIENT)
char reason_bf; /* internal writeable callback reason bitfield */
#endif
#if defined(LWS_WITH_NETLINK)
lws_route_uidx_t peer_route_uidx;
/**< unique index of the route the connection is estimated to take */
#endif
uint8_t immortal_substream_count;
/* volatile to make sure code is aware other thread can change */
volatile char handling_pollout;
volatile char leave_pollout_active;
#if LWS_MAX_SMP > 1
volatile char undergoing_init_from_other_pt;
#endif
};
#define lws_is_flowcontrolled(w) (!!(wsi->rxflow_bitmap))
#if defined(LWS_WITH_SPAWN)
#if defined(WIN32) || defined(_WIN32)
#else
#include <sys/wait.h>
#include <sys/times.h>
#endif
struct lws_spawn_piped {
struct lws_spawn_piped_info info;
struct lws_dll2 dll;
lws_sorted_usec_list_t sul;
lws_sorted_usec_list_t sul_reap;
struct lws_context *context;
struct lws *stdwsi[3];
lws_filefd_type pipe_fds[3][2];
int count_log_lines;
lws_usec_t created; /* set by lws_spawn_piped() */
lws_usec_t reaped;
lws_usec_t accounting[4];
#if defined(WIN32)
HANDLE child_pid;
lws_sorted_usec_list_t sul_poll;
#else
pid_t child_pid;
siginfo_t si;
#endif
int reap_retry_budget;
uint8_t pipes_alive:2;
uint8_t we_killed_him_timeout:1;
uint8_t we_killed_him_spew:1;
uint8_t ungraceful:1;
};
void
lws_spawn_piped_destroy(struct lws_spawn_piped **lsp);
int
lws_spawn_reap(struct lws_spawn_piped *lsp);
#endif
#if defined(LWS_WITH_OTA)
typedef enum {
LWSOS_IDLE,
LWSOS_CHECKING, /* we are looking at the manifest, if any */
LWSOS_AWAITING_MODAL, /* we would like to fetch the update, but we have
* to wait for the user code to agree it's entered
* an update "mode" where it's not using the heap
* for anything else */
LWSOS_FETCHING, /* if we did enter the lws_system MODAL state, we
* can proceed with fetching the update we like */
LWSOS_FETCHING_INITED_GZ,
LWSOS_FETCHING_INITED_GZ_HASH,
LWSOS_STARTED,
LWSOS_WRITING,
LWSOS_FINALIZING,
LWSOS_REPORTED,
LWSOS_FAILED
} lws_ota_state_t;
typedef struct lws_ota {
char buf[2048];
struct lws_ss_handle *ss;
void *opaque_data;
char file[128];
uint8_t sha512[64];
lws_flow_t flow;
lws_sorted_usec_list_t sul_drain;
lws_ota_state_t state;
lws_ota_process_t op;
struct lws_genhash_ctx ctx;
struct inflator_ctx *inflate;
const uint8_t *outring;
struct lws_context *cx;
uint64_t unixtime;
lws_ota_async_t async_last;
lws_ota_ret_t async_r;
size_t pos;
size_t expected_size;
size_t seen;
size_t written;
size_t buf_len;
size_t outringlen;
size_t *opl;
size_t old_op;
size_t *cl;
uint8_t last_pc;
uint8_t ota_start_done;
uint8_t async_completed;
} lws_ota_t;
#endif
void
lws_service_do_ripe_rxflow(struct lws_context_per_thread *pt);
const struct lws_role_ops *
lws_role_by_name(const char *name);
int
lws_socket_bind(struct lws_vhost *vhost, struct lws *wsi,
lws_sockfd_type sockfd, int port, const char *iface,
int ipv6_allowed);
#if defined(LWS_WITH_SYS_FAULT_INJECTION)
void
lws_wsi_fault_timedclose(struct lws *wsi);
#else
#define lws_wsi_fault_timedclose(_w)
#endif
#if defined(LWS_WITH_IPV6)
unsigned long
lws_get_addr_scope(struct lws *wsi, const char *ipaddr);
#endif
void
lws_close_free_wsi(struct lws *wsi, enum lws_close_status, const char *caller);
void
__lws_close_free_wsi(struct lws *wsi, enum lws_close_status, const char *caller);
void
__lws_free_wsi(struct lws *wsi);
void
lws_conmon_addrinfo_destroy(struct addrinfo *ai);
int
lws_conmon_append_copy_new_dns_results(struct lws *wsi,
const struct addrinfo *cai);
#if LWS_MAX_SMP > 1
static LWS_INLINE void
lws_pt_mutex_init(struct lws_context_per_thread *pt)
{
lws_mutex_refcount_init(&pt->mr);
pthread_mutex_init(&pt->lock_stats, NULL);
}
static LWS_INLINE void
lws_pt_mutex_destroy(struct lws_context_per_thread *pt)
{
pthread_mutex_destroy(&pt->lock_stats);
lws_mutex_refcount_destroy(&pt->mr);
}
#define lws_pt_lock(pt, reason) lws_mutex_refcount_lock(&pt->mr, reason)
#define lws_pt_unlock(pt) lws_mutex_refcount_unlock(&pt->mr)
#define lws_pt_assert_lock_held(pt) lws_mutex_refcount_assert_held(&pt->mr)
static LWS_INLINE void
lws_pt_stats_lock(struct lws_context_per_thread *pt)
{
pthread_mutex_lock(&pt->lock_stats);
}
static LWS_INLINE void
lws_pt_stats_unlock(struct lws_context_per_thread *pt)
{
pthread_mutex_unlock(&pt->lock_stats);
}
#endif
/*
* EXTENSIONS
*/
#if defined(LWS_WITHOUT_EXTENSIONS)
#define lws_any_extension_handled(_a, _b, _c, _d) (0)
#define lws_ext_cb_active(_a, _b, _c, _d) (0)
#define lws_ext_cb_all_exts(_a, _b, _c, _d, _e) (0)
#define lws_issue_raw_ext_access lws_issue_raw
#define lws_context_init_extensions(_a, _b)
#endif
int LWS_WARN_UNUSED_RESULT
lws_client_interpret_server_handshake(struct lws *wsi);
int LWS_WARN_UNUSED_RESULT
lws_ws_rx_sm(struct lws *wsi, char already_processed, unsigned char c);
int LWS_WARN_UNUSED_RESULT
lws_issue_raw_ext_access(struct lws *wsi, unsigned char *buf, size_t len);
void
lws_role_transition(struct lws *wsi, enum lwsi_role role, enum lwsi_state state,
const struct lws_role_ops *ops);
int
lws_http_to_fallback(struct lws *wsi, unsigned char *buf, size_t len);
int LWS_WARN_UNUSED_RESULT
user_callback_handle_rxflow(lws_callback_function, struct lws *wsi,
enum lws_callback_reasons reason, void *user,
void *in, size_t len);
int
lws_plat_set_nonblocking(lws_sockfd_type fd);
int
lws_plat_set_socket_options(struct lws_vhost *vhost, lws_sockfd_type fd,
int unix_skt);
int
lws_plat_set_socket_options_ip(lws_sockfd_type fd, uint8_t pri, int lws_flags);
int
lws_plat_check_connection_error(struct lws *wsi);
int LWS_WARN_UNUSED_RESULT
lws_header_table_attach(struct lws *wsi, int autoservice);
int
lws_header_table_detach(struct lws *wsi, int autoservice);
int
__lws_header_table_detach(struct lws *wsi, int autoservice);
void
lws_header_table_reset(struct lws *wsi, int autoservice);
void
__lws_header_table_reset(struct lws *wsi, int autoservice);
char * LWS_WARN_UNUSED_RESULT
lws_hdr_simple_ptr(struct lws *wsi, enum lws_token_indexes h);
int LWS_WARN_UNUSED_RESULT
lws_hdr_simple_create(struct lws *wsi, enum lws_token_indexes h, const char *s);
int LWS_WARN_UNUSED_RESULT
lws_ensure_user_space(struct lws *wsi);
int LWS_WARN_UNUSED_RESULT
lws_change_pollfd(struct lws *wsi, int _and, int _or);
#if defined(LWS_WITH_SERVER)
int _lws_vhost_init_server(const struct lws_context_creation_info *info,
struct lws_vhost *vhost);
struct lws_vhost *
lws_select_vhost(struct lws_context *context, int port, const char *servername);
int LWS_WARN_UNUSED_RESULT
lws_parse_ws(struct lws *wsi, unsigned char **buf, size_t len);
void
lws_server_get_canonical_hostname(struct lws_context *context,
const struct lws_context_creation_info *info);
#else
#define _lws_vhost_init_server(_a, _b) (0)
#define lws_parse_ws(_a, _b, _c) (0)
#define lws_server_get_canonical_hostname(_a, _b)
#endif
int
__remove_wsi_socket_from_fds(struct lws *wsi);
enum {
LWSRXFC_ERROR = -1,
LWSRXFC_CACHED = 0,
LWSRXFC_ADDITIONAL = 1,
LWSRXFC_TRIMMED = 2,
};
int
_lws_plat_service_forced_tsi(struct lws_context *context, int tsi);
int
lws_rxflow_cache(struct lws *wsi, unsigned char *buf, size_t n, size_t len);
int
lws_service_flag_pending(struct lws_context *context, int tsi);
int
lws_has_buffered_out(struct lws *wsi);
int LWS_WARN_UNUSED_RESULT
lws_ws_client_rx_sm(struct lws *wsi, unsigned char c);
lws_parser_return_t LWS_WARN_UNUSED_RESULT
lws_parse(struct lws *wsi, unsigned char *buf, int *len);
int LWS_WARN_UNUSED_RESULT
lws_parse_urldecode(struct lws *wsi, uint8_t *_c);
void
lws_sa46_copy_address(lws_sockaddr46 *sa46a, const void *in, int af);
int LWS_WARN_UNUSED_RESULT
lws_http_action(struct lws *wsi);
void
__lws_close_free_wsi_final(struct lws *wsi);
void
lws_libuv_closehandle(struct lws *wsi);
int
lws_libuv_check_watcher_active(struct lws *wsi);
#if defined(LWS_WITH_EVLIB_PLUGINS) || defined(LWS_WITH_PLUGINS)
const lws_plugin_header_t *
lws_plat_dlopen(struct lws_plugin **pplugin, const char *libpath,
const char *sofilename, const char *_class,
each_plugin_cb_t each, void *each_user);
int
lws_plat_destroy_dl(struct lws_plugin *p);
#endif
struct lws *
lws_adopt_socket_vhost(struct lws_vhost *vh, lws_sockfd_type accept_fd);
void
lws_vhost_bind_wsi(struct lws_vhost *vh, struct lws *wsi);
void
__lws_vhost_unbind_wsi(struct lws *wsi); /* req cx + vh lock */
void
__lws_set_timeout(struct lws *wsi, enum pending_timeout reason, int secs);
int
__lws_change_pollfd(struct lws *wsi, int _and, int _or);
int
lws_callback_as_writeable(struct lws *wsi);
int
lws_role_call_client_bind(struct lws *wsi,
const struct lws_client_connect_info *i);
void
lws_remove_child_from_any_parent(struct lws *wsi);
char *
lws_generate_client_ws_handshake(struct lws *wsi, char *p, const char *conn1);
int
lws_client_ws_upgrade(struct lws *wsi, const char **cce);
int
lws_create_client_ws_object(const struct lws_client_connect_info *i,
struct lws *wsi);
int
lws_alpn_comma_to_openssl(const char *comma, uint8_t *os, int len);
int
lws_role_call_alpn_negotiated(struct lws *wsi, const char *alpn);
int
lws_tls_server_conn_alpn(struct lws *wsi);
int
lws_ws_client_rx_sm_block(struct lws *wsi, unsigned char **buf, size_t len);
void
lws_destroy_event_pipe(struct lws *wsi);
/* socks */
int
lws_socks5c_generate_msg(struct lws *wsi, enum socks_msg_type type, ssize_t *msg_len);
int LWS_WARN_UNUSED_RESULT
__insert_wsi_socket_into_fds(struct lws_context *context, struct lws *wsi);
int LWS_WARN_UNUSED_RESULT
lws_issue_raw(struct lws *wsi, unsigned char *buf, size_t len);
lws_usec_t
__lws_seq_timeout_check(struct lws_context_per_thread *pt, lws_usec_t usnow);
lws_usec_t
__lws_ss_timeout_check(struct lws_context_per_thread *pt, lws_usec_t usnow);
struct lws * LWS_WARN_UNUSED_RESULT
lws_client_connect_2_dnsreq(struct lws *wsi);
LWS_VISIBLE struct lws * LWS_WARN_UNUSED_RESULT
lws_client_reset(struct lws **wsi, int ssl, const char *address, int port,
const char *path, const char *host, char weak);
struct lws * LWS_WARN_UNUSED_RESULT
lws_create_new_server_wsi(struct lws_vhost *vhost, int fixed_tsi,
int group, const char *desc);
char * LWS_WARN_UNUSED_RESULT
lws_generate_client_handshake(struct lws *wsi, char *pkt);
int
lws_handle_POLLOUT_event(struct lws *wsi, struct lws_pollfd *pollfd);
struct lws *
lws_http_client_connect_via_info2(struct lws *wsi);
struct lws *
__lws_wsi_create_with_role(struct lws_context *context, int tsi,
const struct lws_role_ops *ops,
lws_log_cx_t *log_cx_template);
int
lws_wsi_inject_to_loop(struct lws_context_per_thread *pt, struct lws *wsi);
int
lws_wsi_extract_from_loop(struct lws *wsi);
#if defined(LWS_WITH_CLIENT)
int
lws_http_client_socket_service(struct lws *wsi, struct lws_pollfd *pollfd);
int LWS_WARN_UNUSED_RESULT
lws_http_transaction_completed_client(struct lws *wsi);
#if !defined(LWS_WITH_TLS)
#define lws_context_init_client_ssl(_a, _b) (0)
#endif
void
lws_decode_ssl_error(void);
#else
#define lws_context_init_client_ssl(_a, _b) (0)
#endif
int
__lws_rx_flow_control(struct lws *wsi);
int
_lws_change_pollfd(struct lws *wsi, int _and, int _or, struct lws_pollargs *pa);
#if defined(LWS_WITH_SERVER)
int
lws_handshake_server(struct lws *wsi, unsigned char **buf, size_t len);
#else
#define lws_server_socket_service(_b, _c) (0)
#define lws_handshake_server(_a, _b, _c) (0)
#endif
#ifdef LWS_WITH_ACCESS_LOG
int
lws_access_log(struct lws *wsi);
void
lws_prepare_access_log_info(struct lws *wsi, char *uri_ptr, int len, int meth);
#else
#define lws_access_log(_a)
#endif
#if defined(_DEBUG)
void
lws_wsi_txc_describe(struct lws_tx_credit *txc, const char *at, uint32_t sid);
#else
#define lws_wsi_txc_describe(x, y, z) { (void)x; }
#endif
int
lws_wsi_txc_check_skint(struct lws_tx_credit *txc, int32_t tx_cr);
int
lws_wsi_txc_report_manual_txcr_in(struct lws *wsi, int32_t bump);
void
lws_mux_mark_immortal(struct lws *wsi);
void
lws_http_close_immortal(struct lws *wsi);
int
lws_cgi_kill_terminated(struct lws_context_per_thread *pt);
void
lws_cgi_remove_and_kill(struct lws *wsi);
void
lws_plat_delete_socket_from_fds(struct lws_context *context,
struct lws *wsi, int m);
void
lws_plat_insert_socket_into_fds(struct lws_context *context,
struct lws *wsi);
int
lws_plat_change_pollfd(struct lws_context *context, struct lws *wsi,
struct lws_pollfd *pfd);
#if defined(LWS_WITH_SERVER) && defined(LWS_WITH_SECURE_STREAMS)
int
lws_adopt_ss_server_accept(struct lws *new_wsi);
#endif
int
lws_plat_pipe_create(struct lws *wsi);
int
lws_plat_pipe_signal(struct lws_context *ctx, int tsi);
void
lws_plat_pipe_close(struct lws *wsi);
int
lws_plat_pipe_is_fd_assocated(struct lws_context *cx, int tsi, lws_sockfd_type fd);
void
lws_addrinfo_clean(struct lws *wsi);
void
lws_add_wsi_to_draining_ext_list(struct lws *wsi);
void
lws_remove_wsi_from_draining_ext_list(struct lws *wsi);
int
lws_poll_listen_fd(struct lws_pollfd *fd);
int
lws_plat_service(struct lws_context *context, int timeout_ms);
LWS_VISIBLE int
_lws_plat_service_tsi(struct lws_context *context, int timeout_ms, int tsi);
int
lws_pthread_self_to_tsi(struct lws_context *context);
const char * LWS_WARN_UNUSED_RESULT
lws_plat_inet_ntop(int af, const void *src, char *dst, socklen_t cnt);
int LWS_WARN_UNUSED_RESULT
lws_plat_inet_pton(int af, const char *src, void *dst);
void
lws_same_vh_protocol_remove(struct lws *wsi);
void
__lws_same_vh_protocol_remove(struct lws *wsi);
void
lws_same_vh_protocol_insert(struct lws *wsi, int n);
int
lws_client_stash_create(struct lws *wsi, const char **cisin);
void
lws_seq_destroy_all_on_pt(struct lws_context_per_thread *pt);
void
lws_addrinfo_clean(struct lws *wsi);
int
_lws_route_pt_close_unroutable(struct lws_context_per_thread *pt);
void
_lws_routing_entry_dump(struct lws_context *cx, lws_route_t *rou);
void
_lws_routing_table_dump(struct lws_context *cx);
#define LRR_IGNORE_PRI (1 << 0)
#define LRR_MATCH_SRC (1 << 1)
#define LRR_MATCH_DST (1 << 2)
lws_route_t *
_lws_route_remove(struct lws_context_per_thread *pt, lws_route_t *robj, int flags);
void
_lws_route_table_empty(struct lws_context_per_thread *pt);
void
_lws_route_table_ifdown(struct lws_context_per_thread *pt, int idx);
lws_route_uidx_t
_lws_route_get_uidx(struct lws_context *cx);
int
_lws_route_pt_close_route_users(struct lws_context_per_thread *pt,
lws_route_uidx_t uidx);
lws_route_t *
_lws_route_est_outgoing(struct lws_context_per_thread *pt,
const lws_sockaddr46 *dest);
int
lws_sort_dns(struct lws *wsi, const struct addrinfo *result);
int
lws_broadcast(struct lws_context_per_thread *pt, int reason, void *in, size_t len);
const char *
lws_errno_describe(int en, char *result, size_t len);
struct lws_plugin *
lws_plugin_alloc(struct lws_plugin **pplugin);
int
lws_plugins_handle_builtin(struct lws_plugin **pplugin,
each_plugin_cb_t each, void *each_user);
#if defined(LWS_WITH_PEER_LIMITS)
void
lws_peer_track_wsi_close(struct lws_context *context, struct lws_peer *peer);
int
lws_peer_confirm_ah_attach_ok(struct lws_context *context,
struct lws_peer *peer);
void
lws_peer_track_ah_detach(struct lws_context *context, struct lws_peer *peer);
void
lws_peer_cull_peer_wait_list(struct lws_context *context);
struct lws_peer *
lws_get_or_create_peer(struct lws_vhost *vhost, lws_sockfd_type sockfd);
void
lws_peer_add_wsi(struct lws_context *context, struct lws_peer *peer,
struct lws *wsi);
void
lws_peer_dump_from_wsi(struct lws *wsi);
#endif
#ifdef LWS_WITH_HUBBUB
hubbub_error
html_parser_cb(const hubbub_token *token, void *pw);
#endif
#if defined(_DEBUG)
void
lws_service_assert_loop_thread(struct lws_context *cx, int tsi);
#else
#define lws_service_assert_loop_thread(_cx, _tsi)
#endif
int
lws_threadpool_tsi_context(struct lws_context *context, int tsi);
void
lws_threadpool_wsi_closing(struct lws *wsi);
void
__lws_wsi_remove_from_sul(struct lws *wsi);
void
lws_validity_confirmed(struct lws *wsi);
void
_lws_validity_confirmed_role(struct lws *wsi);
int
lws_seq_pt_init(struct lws_context_per_thread *pt);
int
lws_buflist_aware_read(struct lws_context_per_thread *pt, struct lws *wsi,
struct lws_tokens *ebuf, char fr, const char *hint);
int
lws_buflist_aware_finished_consuming(struct lws *wsi, struct lws_tokens *ebuf,
int used, int buffered, const char *hint);
extern const struct lws_protocols protocol_abs_client_raw_skt,
protocol_abs_client_unit_test;
void
__lws_reset_wsi(struct lws *wsi);
void
lws_metrics_dump(struct lws_context *ctx);
void
lws_inform_client_conn_fail(struct lws *wsi, void *arg, size_t len);
#if defined(LWS_WITH_SYS_ASYNC_DNS)
lws_async_dns_server_check_t
lws_plat_asyncdns_init(struct lws_context *context, lws_async_dns_t *dns);
int
lws_async_dns_init(struct lws_context *context);
void
lws_async_dns_deinit(lws_async_dns_t *dns);
#endif
int
lws_protocol_init_vhost(struct lws_vhost *vh, int *any);
int
_lws_generic_transaction_completed_active_conn(struct lws **wsi, char take_vh_lock);
#define ACTIVE_CONNS_SOLO 0
#define ACTIVE_CONNS_MUXED 1
#define ACTIVE_CONNS_QUEUED 2
#define ACTIVE_CONNS_FAILED 3
#if defined(_DEBUG) && !defined(LWS_PLAT_FREERTOS) && !defined(WIN32) && !defined(LWS_PLAT_OPTEE)
int
sanity_assert_no_wsi_traces(const struct lws_context *context, struct lws *wsi);
int
sanity_assert_no_sockfd_traces(const struct lws_context *context,
lws_sockfd_type sfd);
#else
static inline int sanity_assert_no_wsi_traces(const struct lws_context *context, struct lws *wsi) { (void)context; (void)wsi; return 0; }
static inline int sanity_assert_no_sockfd_traces(const struct lws_context *context, lws_sockfd_type sfd) { (void)context; (void)sfd; return 0; }
#endif
void
delete_from_fdwsi(const struct lws_context *context, struct lws *wsi);
int
lws_vhost_active_conns(struct lws *wsi, struct lws **nwsi, const char *adsin);
const char *
lws_wsi_client_stash_item(struct lws *wsi, int stash_idx, int hdr_idx);
int
lws_plat_BINDTODEVICE(lws_sockfd_type fd, const char *ifname);
int
lws_socks5c_ads_server(struct lws_vhost *vh,
const struct lws_context_creation_info *info);
int
lws_socks5c_handle_state(struct lws *wsi, struct lws_pollfd *pollfd,
const char **pcce);
int
lws_socks5c_greet(struct lws *wsi, const char **pcce);
int
lws_plat_mbedtls_net_send(void *ctx, const uint8_t *buf, size_t len);
int
lws_plat_mbedtls_net_recv(void *ctx, unsigned char *buf, size_t len);
lws_usec_t
lws_sul_nonmonotonic_adjust(struct lws_context *ctx, int64_t step_us);
void
__lws_vhost_destroy_pt_wsi_dieback_start(struct lws_vhost *vh);
int
lws_vhost_compare_listen(struct lws_vhost *v1, struct lws_vhost *v2);
void
lws_netdev_instance_remove_destroy(struct lws_netdev_instance *ni);
int
lws_score_dns_results(struct lws_context *ctx,
const struct addrinfo **result);
#if defined(LWS_WITH_SYS_SMD)
int
lws_netdev_smd_cb(void *opaque, lws_smd_class_t _class, lws_usec_t timestamp,
void *buf, size_t len);
#endif
void
lws_netdev_instance_create(lws_netdev_instance_t *ni, struct lws_context *ctx,
const lws_netdev_ops_t *ops, const char *name,
void *platinfo);
int
lws_netdev_wifi_rssi_sort_compare(const lws_dll2_t *d, const lws_dll2_t *i);
void
lws_netdev_wifi_scan_empty(lws_netdev_instance_wifi_t *wnd);
lws_wifi_sta_t *
lws_netdev_wifi_scan_find(lws_netdev_instance_wifi_t *wnd, const char *ssid,
const uint8_t *bssid);
int
lws_netdev_wifi_scan_select(lws_netdev_instance_wifi_t *wnd);
lws_wifi_creds_t *
lws_netdev_credentials_find(lws_netdevs_t *netdevs, const char *ssid,
const uint8_t *bssid);
int
lws_netdev_wifi_redo_last(lws_netdev_instance_wifi_t *wnd);
void
lws_ntpc_trigger(struct lws_context *ctx);
void
lws_netdev_wifi_scan(lws_sorted_usec_list_t *sul);
#define lws_netdevs_from_ndi(ni) \
lws_container_of((ni)->list.owner, lws_netdevs_t, owner)
#define lws_context_from_netdevs(nd) \
lws_container_of(nd, struct lws_context, netdevs)
/* get the owner of the ni, then compute the context the owner is embedded in */
#define netdev_instance_to_ctx(ni) \
lws_container_of(lws_netdevs_from_ndi(ni), \
struct lws_context, netdevs)
enum {
LW5CHS_RET_RET0,
LW5CHS_RET_BAIL3,
LW5CHS_RET_STARTHS,
LW5CHS_RET_NOTHING
};
void
lws_4to6(uint8_t *v6addr, const uint8_t *v4addr);
void
lws_sa46_4to6(lws_sockaddr46 *sa46, const uint8_t *v4addr, uint16_t port);
#ifdef __cplusplus
};
#endif
#endif
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