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Nginx Module Extension电子书

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8人正在读 | 0人评论 9.8

作       者:Usama Dar

出  版  社:Packt Publishing

出版时间:2013-12-26

字       数:664.6万

所属分类: 进口书 > 外文原版书 > 电脑/网络

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This book is a step-by-step, example-oriented tutorial that will teach you to implement Nginx modules, as well as how to extend Nginx with core and third party modules.Nginx Module Extension is intended for advanced users, system administrators, and developers of Nginx modules. You need to have prior experience with using Nginx as a web server and basic Nginx configuration changes. You also need basic understanding of GNU tools like configure and make, in order to be able to compile the source code. Proficiency in C programming and advanced operating system knowledge on Linux kernel, for example, would also come in handy.
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Nginx Module Extension

Table of Contents

Nginx Module Extension

Credits

About the Author

About the Reviewer

www.PacktPub.com

Support files, eBooks, discount offers and more

Why Subscribe?

Free Access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Errata

Piracy

Questions

1. Installing Nginx Core and Modules from Source

Installing binary distribution

Red Hat, Fedora, and CentOS

Official Debian/Ubuntu packages

FreeBSD

OpenBSD

Official Win32 binaries

Installing source distribution

Nginx library dependencies

Configuring options

Files and permissions

The Event loop

Optional modules

Compilation controls

Example

The Custom module

Debugging

Installing on other platforms

Verifying your Nginx installation

Summary

2. Configuring Core Modules

Understanding the Main module

Explaining directives

daemon

master_process

timer_resolution

pid

lock_file

worker_processes

debug_points

user

worker_priority

worker_cpu_affinity

worker_rlimit_nofile

worker_rlimit_core

worker_rlimit_sigpending

working_directory

env

Understanding the Events module

Explaining directives

accept_mutex

accept_mutex_delay

debug_connection

devpoll_changes and devpoll_events

kqueue_changes and kqueue_events

epoll_events

multi_accept

rtsig_signo

rtsig_overflow_events, rtsig_overflow_test, and rtsig_overflow_threshold

use

worker_connections

Summary

3. Installing and Configuring HTTP Modules

Standard HTTP modules

The core module (HttpCoreModule)

Explaining directives

server

server_name

listen

SSL

default_server

location

server_names_hash_bucket_size

server_names_hash_max_size

tcp_nodelay/tcp_nopush

sendfile

sendfile_max_chunk

root

resolver/resolver_timeout

aio

alias

error_page

keepalive_disable, keepalive_timeout, and keepalive_requests

Controlling access (HttpAccessModule)

Authenticating users (HttpBasicAuthModule)

Explaining directives

auth_basic

auth_basic_user_file

Load balancing (HttpUpstreamModule)

Explaining directives

ip_hash

server

upstream

Acting as a proxy (HttpProxyModule)

Explaining directives

proxy_pass

proxy_pass_header

proxy_connect_timeout

proxy_next_upstream

proxy_redirect

proxy_set_header

proxy_store

proxy_cache

Compressing content (HttpGzipModule)

Explaining directives

gzip

gzip_buffers

gzip_comp_level

gzip_disable

gzip_http_version

gzip_min_length

gzip_proxied

gzip_types

Controlling logging (HttpLogModule)

Explaining directives

access_log

log_format

Setting response headers (HttpHeadersModule)

Explaining directives

add_header

expires

Rewriting requests (HttpRewriteModule)

Explaining directives

break

if

return

rewrite

rewrite_log

set

uninitialized_variable_warn

Interacting with FastCGI (HttpFastcgiModule)

Simple caching (HttpMemcachedModule)

Explaining directives

memcached_pass

memcached_connect_timeout

memcached_read_timeout

memcached_send_timeout

memcached_buffer_size

memcached_next_upstream

Limiting requests (HttpLimitReqModule)

Explaining directives

limit_req

limit_req_log_level

limit_req_zone

Limiting connections (HttpLimitConnModule)

Explaining directives

limit_conn

limit_conn_zone

limit_conn_log_level

limit_conn_status

Summary

4. Installing Third-party Modules

Compiling third-party modules

Communicating with PostgreSQL (ngx_postgres)

Explaining directives

postgres_server

postgres_keepalive

postgres_pass

postgres_query

postgres_rewrite

postgres_output

postgres_set

postgres_escape

postgres_connect_timeout

postgres_result_timeout

Communicating with MySQL and drizzle (drizzle-nginx)

Explaining directives

drizzle_server

drizzle_keepalive

drizzle_query

drizzle_pass

drizzle_connect_timeout

drizzle_send_query_timeout

drizzle_recv_cols_timeout

drizzle_recv_rows_timeout

drizzle_buffer_size

drizzle_module_header

Digest Authentication (ngx_http_auth_digest)

Explaining directives

auth_digest

auth_digest_user_file

auth_digest_timeout

auth_digest_expires

auth_digest_replays

auth_digest_shm_size

Speeding up web pages (ngx_pagespeed)

Configuring handlers

Lua scripting (ngx_lua)

Explaining directives

lua_package_path

set_by_lua or set_by_lua_file

content_by_lua or content_by_lua_file

rewrite_by_lua or rewrite_by_lua_file

access_by_lua or access_by_lua_file

Reverse IP lookup using the GeoIP module (ngx_http_geoip_module)

Explaining directives

geoip_country

geoip_city

geoip_org

geoip_proxy

geoip_proxy_recursive

Doing healthchecks

ngx_http_healthcheck_module

Explaining directives

healthcheck_enabled

healthcheck_delay

healthcheck_timeout

healthcheck_failcount

healthcheck_send

healthcheck_expected

healthcheck_buffer

Load balancing

Consistent hashing

Least busy

Configuration variable hashing

Summary

5. Creating Your Own Module

Nginx module delegation

Handlers

Load balancers

Filters

Order of execution

The extended "Hello world" module

Writing and compiling a module

The "Hello world" source code

Components of the Nginx module

Module configuration structures

Module directives

The module context

create_loc_conf

merge_loc_conf

The module definition

The handler function

Nginx Development Toolkit (NDK)

Summary

Index

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