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nginx_module_t

2016-08-22 15:16:31   5  举报

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nginx_module_t

nginx

ngx_module_t

模版推荐

作者其他创作

大纲/内容

0. ngx_core_module

ngx_core_module_ctx

"core"

ngx_core_module_create_conf

ngx_core_conf_t

ngx_core_module_init_conf

对于unset值设置为默认值

ngx_core_commands

daemon

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG

ngx_conf_set_flag_slot

daemon

master_process

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG

ngx_conf_set_flag_slot

master

timer_resolution

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1

ngx_conf_set_msec_slot

timer_resolution

pid

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1

ngx_conf_set_str_slot

pid

lock_file

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1

ngx_conf_set_str_slot

lock_file

worker_processes

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1

ngx_set_worker_processes

worker_processes

debug_points

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1

ngx_conf_set_enum_slot

debug_points

user

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12

ngx_set_user

user

pw_uid

group

gr_gid

worker_priority

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1

ngx_set_priority

priority

worker_cpu_affinity

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_1MORE

ngx_set_cpu_affinity

cpu_affinity_n

cpu_affinity

worker_rlimit_nofile

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1

ngx_conf_set_num_slot

rlimit_nofile

worker_rlimit_core

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1

ngx_conf_set_off_slot

rlimit_core

working_directory

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1

ngx_conf_set_str_slot

working_directory

env

NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1

ngx_load_module

用于加载动态库

NGX_CORE_MODULE

1. ngx_errlog_module

ngx_errlog_module_ctx

errlog

ngx_errlog_commands

error_log

NGX_MAIN_CONF|NGX_CONF_1MORE

ngx_error_log

cycle->new_log

NGX_CORE_MODULE

2. ngx_conf_module

ngx_conf_commands

include

NGX_ANY_CONF|NGX_CONF_TAKE1

ngx_conf_include

NGX_CONF_MODULE

3. ngx_events_module

ngx_events_module_ctx

events

ngx_event_init_conf

仅用于确认配置是否存在，若不存在则直接报错

ngx_events_commands

events

NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS

ngx_events_block

创建NGX_EVENT_MODULE配置信息

ngx_conf_parse

设置配置文件信息到内存

对NGX_EVENT_MODULE未配置信息默认值初始化

NGX_CORE_MODULE

4. ngx_event_core_module

ngx_event_core_module_ctx

event_core

ngx_event_core_create_conf

ngx_event_core_init_conf

ngx_event_core_commands

worker_connections

NGX_EVENT_CONF|NGX_CONF_TAKE1

ngx_event_connections

cycle->connection_n = ecf->connections

use

NGX_EVENT_CONF|NGX_CONF_TAKE1

ngx_event_use

ecf->use = cf->cycle->modules[m]->ctx_index;

multi_accept

NGX_EVENT_CONF|NGX_CONF_FLAG

ngx_conf_set_flag_slot

multi_accept

accept_mutex

NGX_EVENT_CONF|NGX_CONF_FLAG

ngx_conf_set_flag_slot

accept_mutex

accept_mutex_delay

NGX_EVENT_CONF|NGX_CONF_TAKE1

ngx_conf_set_msec_slot

accept_mutex_delay

debug_connection

NGX_EVENT_CONF|NGX_CONF_TAKE1

ngx_event_debug_connection

debug_connection

NGX_EVENT_MODULE

ngx_event_module_init

ngx_event_process_init

accept_mutex

初始化超时时间红黑树

epoll.actions.init()

设置定时器

cycle->files = ngx_calloc(sizeof(ngx_connection_t *) * cycle->files_n, cycle->log);

cycle->connections = ngx_alloc(sizeof(ngx_connection_t) * cycle->connection_n, cycle->log);

c[i].data = next;

c[i].read = &cycle->read_events[i];

c[i].write = &cycle->write_events[i];

c[i].fd = (ngx_socket_t) -1;

next = &c[i];

cycle->read_events = ngx_alloc(sizeof(ngx_event_t) * cycle->connection_n, cycle->log);

rev[i].closed = 1;

rev[i].instance = 1;

cycle->write_events = ngx_alloc(sizeof(ngx_event_t) * cycle->connection_n, cycle->log);

wev[i].closed = 1;

将listen和connection关联，并添加可读事件

5. ngx_epoll_module

ngx_epoll_module_ctx

epoll

ngx_epoll_create_conf

ngx_epoll_init_conf

ngx_event_actions_t

add

ngx_epoll_add_event

del

ngx_epoll_del_event

enable

ngx_epoll_add_event

disable

ngx_epoll_del_event

add_conn

ngx_epoll_add_connection

del_conn

ngx_epoll_del_connection

notify

ngx_epoll_notify/NULL

process_events

ngx_epoll_process_events

init

ngx_epoll_init

done

ngx_epoll_done

ngx_epoll_commands

epoll_events

NGX_EVENT_CONF|NGX_CONF_TAKE1

ngx_conf_set_num_slot

events

worker_aio_requests

NGX_EVENT_CONF|NGX_CONF_TAKE1

ngx_conf_set_num_slot

aio_requests

NGX_EVENT_MODULE

6. ngx_http_module

ngx_http_module_ctx

http

ngx_http_commands

http

NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS

ngx_http_block

配置所有NGX_HTTP_MODULE配置

create_main_conf

create_srv_conf

create_loc_conf

对所有NGX_HTTP_MODULE预处理

NGX_HTTP_MODULE

根据配置文件处理http{}模块

对所有NGX_HTTP_MODULE未初始化项进行初始化

其他处理，还没看

NGX_CORE_MODULE

7. ngx_http_core_module

ngx_http_core_module_ctx

ngx_http_core_preconfiguration

ngx_http_core_postconfiguration

ngx_http_core_create_main_conf

ngx_http_core_init_main_conf

ngx_http_core_create_srv_conf

ngx_http_core_merge_srv_conf

ngx_http_core_create_loc_conf

ngx_http_core_merge_loc_conf

ngx_http_core_commands

variables_hash_max_size

NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1

main_conf

ngx_conf_set_num_slot

variables_hash_max_size

variables_hash_bucket_size

NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1

main_conf

ngx_conf_set_num_slot

variables_hash_bucket_size

server_names_hash_max_size

NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1

main_conf

ngx_conf_set_num_slot

variables_hash_bucket_size

server_names_hash_bucket_size

NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1

main_conf

ngx_conf_set_num_slot

server_names_hash_bucket_size

server

NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS

ngx_http_core_server

NGX_HTTP_MODULE

<div>ctx->配置项名称，及初始化配置内存</div><div>commands->将各个配置项信息配置到ctx对应信息中</div>

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module ATMOS

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Functional module Server

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Nginx HTTP Configure Hierarchy

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