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src/stream/ngx_stream.h - nginx source code
Data types defined
Macros defined
Source code
- #ifndef _NGX_STREAM_H_INCLUDED_
- #define _NGX_STREAM_H_INCLUDED_
- #include <ngx_config.h>
- #include <ngx_core.h>
- #if (NGX_STREAM_SSL)
- #include <ngx_stream_ssl_module.h>
- #endif
- typedef struct ngx_stream_session_s ngx_stream_session_t;
- #include <ngx_stream_variables.h>
- #include <ngx_stream_script.h>
- #include <ngx_stream_upstream.h>
- #include <ngx_stream_upstream_round_robin.h>
- #define NGX_STREAM_OK 200
- #define NGX_STREAM_BAD_REQUEST 400
- #define NGX_STREAM_FORBIDDEN 403
- #define NGX_STREAM_INTERNAL_SERVER_ERROR 500
- #define NGX_STREAM_BAD_GATEWAY 502
- #define NGX_STREAM_SERVICE_UNAVAILABLE 503
- typedef struct {
- void **main_conf;
- void **srv_conf;
- } ngx_stream_conf_ctx_t;
- typedef struct {
- struct sockaddr *sockaddr;
- socklen_t socklen;
- ngx_str_t addr_text;
- unsigned set:1;
- unsigned default_server:1;
- unsigned bind:1;
- unsigned wildcard:1;
- unsigned ssl:1;
- #if (NGX_HAVE_INET6)
- unsigned ipv6only:1;
- #endif
- unsigned deferred_accept:1;
- unsigned reuseport:1;
- unsigned so_keepalive:2;
- unsigned proxy_protocol:1;
- int backlog;
- int rcvbuf;
- int sndbuf;
- int type;
- #if (NGX_HAVE_SETFIB)
- int setfib;
- #endif
- #if (NGX_HAVE_TCP_FASTOPEN)
- int fastopen;
- #endif
- #if (NGX_HAVE_KEEPALIVE_TUNABLE)
- int tcp_keepidle;
- int tcp_keepintvl;
- int tcp_keepcnt;
- #endif
- #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
- char *accept_filter;
- #endif
- } ngx_stream_listen_opt_t;
- typedef enum {
- NGX_STREAM_POST_ACCEPT_PHASE = 0,
- NGX_STREAM_PREACCESS_PHASE,
- NGX_STREAM_ACCESS_PHASE,
- NGX_STREAM_SSL_PHASE,
- NGX_STREAM_PREREAD_PHASE,
- NGX_STREAM_CONTENT_PHASE,
- NGX_STREAM_LOG_PHASE
- } ngx_stream_phases;
- typedef struct ngx_stream_phase_handler_s ngx_stream_phase_handler_t;
- typedef ngx_int_t (*ngx_stream_phase_handler_pt)(ngx_stream_session_t *s,
- ngx_stream_phase_handler_t *ph);
- typedef ngx_int_t (*ngx_stream_handler_pt)(ngx_stream_session_t *s);
- typedef void (*ngx_stream_content_handler_pt)(ngx_stream_session_t *s);
- struct ngx_stream_phase_handler_s {
- ngx_stream_phase_handler_pt checker;
- ngx_stream_handler_pt handler;
- ngx_uint_t next;
- };
- typedef struct {
- ngx_stream_phase_handler_t *handlers;
- } ngx_stream_phase_engine_t;
- typedef struct {
- ngx_array_t handlers;
- } ngx_stream_phase_t;
- typedef struct {
- ngx_array_t servers;
- ngx_stream_phase_engine_t phase_engine;
- ngx_hash_t variables_hash;
- ngx_array_t variables;
- ngx_array_t prefix_variables;
- ngx_uint_t ncaptures;
- ngx_uint_t server_names_hash_max_size;
- ngx_uint_t server_names_hash_bucket_size;
- ngx_uint_t variables_hash_max_size;
- ngx_uint_t variables_hash_bucket_size;
- ngx_hash_keys_arrays_t *variables_keys;
- ngx_array_t *ports;
- ngx_stream_phase_t phases[NGX_STREAM_LOG_PHASE + 1];
- } ngx_stream_core_main_conf_t;
- typedef struct {
-
- ngx_array_t server_names;
- ngx_stream_content_handler_pt handler;
- ngx_stream_conf_ctx_t *ctx;
- u_char *file_name;
- ngx_uint_t line;
- ngx_str_t server_name;
- ngx_flag_t tcp_nodelay;
- size_t preread_buffer_size;
- ngx_msec_t preread_timeout;
- ngx_log_t *error_log;
- ngx_msec_t resolver_timeout;
- ngx_resolver_t *resolver;
- ngx_msec_t proxy_protocol_timeout;
- unsigned listen:1;
- #if (NGX_PCRE)
- unsigned captures:1;
- #endif
- } ngx_stream_core_srv_conf_t;
- typedef struct {
- #if (NGX_PCRE)
- ngx_stream_regex_t *regex;
- #endif
- ngx_stream_core_srv_conf_t *server;
- ngx_str_t name;
- } ngx_stream_server_name_t;
- typedef struct {
- ngx_hash_combined_t names;
- ngx_uint_t nregex;
- ngx_stream_server_name_t *regex;
- } ngx_stream_virtual_names_t;
- typedef struct {
-
- ngx_stream_core_srv_conf_t *default_server;
- ngx_stream_virtual_names_t *virtual_names;
- unsigned ssl:1;
- unsigned proxy_protocol:1;
- } ngx_stream_addr_conf_t;
- typedef struct {
- in_addr_t addr;
- ngx_stream_addr_conf_t conf;
- } ngx_stream_in_addr_t;
- #if (NGX_HAVE_INET6)
- typedef struct {
- struct in6_addr addr6;
- ngx_stream_addr_conf_t conf;
- } ngx_stream_in6_addr_t;
- #endif
- typedef struct {
-
- void *addrs;
- ngx_uint_t naddrs;
- } ngx_stream_port_t;
- typedef struct {
- int family;
- int type;
- in_port_t port;
- ngx_array_t addrs;
- } ngx_stream_conf_port_t;
- typedef struct {
- ngx_stream_listen_opt_t opt;
- unsigned protocols:3;
- unsigned protocols_set:1;
- unsigned protocols_changed:1;
- ngx_hash_t hash;
- ngx_hash_wildcard_t *wc_head;
- ngx_hash_wildcard_t *wc_tail;
- #if (NGX_PCRE)
- ngx_uint_t nregex;
- ngx_stream_server_name_t *regex;
- #endif
-
- ngx_stream_core_srv_conf_t *default_server;
- ngx_array_t servers;
-
- } ngx_stream_conf_addr_t;
- struct ngx_stream_session_s {
- uint32_t signature;
- ngx_connection_t *connection;
- off_t received;
- time_t start_sec;
- ngx_msec_t start_msec;
- ngx_log_handler_pt log_handler;
- void **ctx;
- void **main_conf;
- void **srv_conf;
- ngx_stream_virtual_names_t *virtual_names;
- ngx_stream_upstream_t *upstream;
- ngx_array_t *upstream_states;
-
- ngx_stream_variable_value_t *variables;
- #if (NGX_PCRE)
- ngx_uint_t ncaptures;
- int *captures;
- u_char *captures_data;
- #endif
- ngx_int_t phase_handler;
- ngx_uint_t status;
- unsigned ssl:1;
- unsigned stat_processing:1;
- unsigned health_check:1;
- unsigned limit_conn_status:2;
- };
- typedef struct {
- ngx_int_t (*preconfiguration)(ngx_conf_t *cf);
- ngx_int_t (*postconfiguration)(ngx_conf_t *cf);
- void *(*create_main_conf)(ngx_conf_t *cf);
- char *(*init_main_conf)(ngx_conf_t *cf, void *conf);
- void *(*create_srv_conf)(ngx_conf_t *cf);
- char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev,
- void *conf);
- } ngx_stream_module_t;
- #define NGX_STREAM_MODULE 0x4d525453
- #define NGX_STREAM_MAIN_CONF 0x02000000
- #define NGX_STREAM_SRV_CONF 0x04000000
- #define NGX_STREAM_UPS_CONF 0x08000000
- #define NGX_STREAM_MAIN_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, main_conf)
- #define NGX_STREAM_SRV_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, srv_conf)
- #define ngx_stream_get_module_ctx(s, module) (s)->ctx[module.ctx_index]
- #define ngx_stream_set_ctx(s, c, module) s->ctx[module.ctx_index] = c;
- #define ngx_stream_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL;
- #define ngx_stream_get_module_main_conf(s, module) \
- (s)->main_conf[module.ctx_index]
- #define ngx_stream_get_module_srv_conf(s, module) \
- (s)->srv_conf[module.ctx_index]
- #define ngx_stream_conf_get_module_main_conf(cf, module) \
- ((ngx_stream_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index]
- #define ngx_stream_conf_get_module_srv_conf(cf, module) \
- ((ngx_stream_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index]
- #define ngx_stream_cycle_get_module_main_conf(cycle, module) \
- (cycle->conf_ctx[ngx_stream_module.index] ? \
- ((ngx_stream_conf_ctx_t *) cycle->conf_ctx[ngx_stream_module.index]) \
- ->main_conf[module.ctx_index]: \
- NULL)
- #define NGX_STREAM_WRITE_BUFFERED 0x10
- ngx_int_t ngx_stream_add_listen(ngx_conf_t *cf,
- ngx_stream_core_srv_conf_t *cscf, ngx_stream_listen_opt_t *lsopt);
- void ngx_stream_core_run_phases(ngx_stream_session_t *s);
- ngx_int_t ngx_stream_core_generic_phase(ngx_stream_session_t *s,
- ngx_stream_phase_handler_t *ph);
- ngx_int_t ngx_stream_core_preread_phase(ngx_stream_session_t *s,
- ngx_stream_phase_handler_t *ph);
- ngx_int_t ngx_stream_core_content_phase(ngx_stream_session_t *s,
- ngx_stream_phase_handler_t *ph);
- ngx_int_t ngx_stream_validate_host(ngx_str_t *host, ngx_pool_t *pool,
- ngx_uint_t alloc);
- ngx_int_t ngx_stream_find_virtual_server(ngx_stream_session_t *s,
- ngx_str_t *host, ngx_stream_core_srv_conf_t **cscfp);
- void ngx_stream_init_connection(ngx_connection_t *c);
- void ngx_stream_session_handler(ngx_event_t *rev);
- void ngx_stream_finalize_session(ngx_stream_session_t *s, ngx_uint_t rc);
- extern ngx_module_t ngx_stream_module;
- extern ngx_uint_t ngx_stream_max_module;
- extern ngx_module_t ngx_stream_core_module;
- typedef ngx_int_t (*ngx_stream_filter_pt)(ngx_stream_session_t *s,
- ngx_chain_t *chain, ngx_uint_t from_upstream);
- extern ngx_stream_filter_pt ngx_stream_top_filter;
- #endif
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