Nginx 的 Echo 模块 —— echo-nginx-module，转

location/hello{

echo"hello, world!";

}

location/hello{

echo-n"hello, "

echo"world!";

}

location/timed_hello{

echo_reset_timer;

echohello world;

echo"'hello world' takes about $echo_timer_elapsed sec.";

echohiya igor;

echo"'hiya igor' takes about $echo_timer_elapsed sec.";

}

location/echo_with_sleep{

echohello;

echo_flush;# ensure the client can see previous output immediately

echo_sleep 2.5;# in sec

echoworld;

}

# in the following example, accessing /echo yields

# hello

# world

# blah

# hiya

# igor

location/echo{

echo_before_body hello;

echo_before_body world;

proxy_pass $scheme://127.0.0.1:$server_port$request_uri/more;

echo_after_body hiya;

echo_after_body igor;

}

location/echo/more{

echoblah;

}

# the output of /main might be

# hello

# world

# took 0.000 sec for total.

# and the whole request would take about 2 sec to complete.

location/main{

echo_reset_timer;

# subrequests in parallel

echo_location_async/sub1;

echo_location_async/sub2;

echo"took $echo_timer_elapsed sec for total.";

}

location/sub1{

echo_sleep 2;

echohello;

}

location/sub2{

echo_sleep 1;

echoworld;

}

# the output of /main might be

# hello

# world

# took 3.003 sec for total.

# and the whole request would take about 3 sec to complete.

location/main{

echo_reset_timer;

# subrequests in series (chained by CPS)

echo_location/sub1;

echo_location/sub2;

echo"took $echo_timer_elapsed sec for total.";

}

location/sub1{

echo_sleep 2;

echohello;

}

location/sub2{

echo_sleep 1;

echoworld;

}

# Accessing /dup gives

# ------ END ------

location/dup{

echo_duplicate 3"--";

echo_duplicate 1" END ";

echo_duplicate 3"--";

echo;

}

# /bighello will generate 1000,000,000 hello's.

location/bighello{

echo_duplicate 1000_000_000'hello';

}

# echo back the client request

location/echoback{

echo_duplicate 1 $echo_client_request_headers;

echo"\r";

echo_read_request_body;

echo_request_body;

}

# GET /multi will yields

# querystring: foo=Foo

# method: POST

# body: hi

# content length: 2

# ///

# querystring: bar=Bar

# method: PUT

# body: hello

# content length: 5

# ///

location/multi{

echo_subrequest_async POST'/sub'-q'foo=Foo'-b'hi';

echo_subrequest_async PUT'/sub'-q'bar=Bar'-b'hello';

}

location/sub{

echo"querystring: $query_string";

echo"method: $echo_request_method";

echo"body: $echo_request_body";

echo"content length: $http_content_length";

echo'///';

}

# GET /merge?/foo.js&/bar/blah.js&/yui/baz.js will merge the .js resources together

location/merge{

default_type'text/javascript';

echo_foreach_split'&'$query_string;

echo"/* JS File $echo_it */";

echo_location_async $echo_it;

echo;

echo_end;

}

# accessing /if?val=abc yields the "hit" output

# while /if?val=bcd yields "miss":

location ^~/if{

set$res miss;

if($arg_val ~*'^a') {

set$res hit;

echo$res;

}

echo$res;

}

$ wget'http://sysoev.ru/nginx/nginx-1.0.11.tar.gz'

$tar-xzvf nginx-1.0.11.tar.gz

$cdnginx-1.0.11/

# Here we assume you would install you nginx under /opt/nginx/.

$ ./configure--prefix=/opt/nginx\

--add-module=/path/to/echo-nginx-module

$make-j2

$makeinstall