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/ default.vcl
Created
December 4, 2011 22:14
A variation on the libvmod-redis based URL shortener, now doing a curveball to make the redirect cacheable.
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| import redis; | |
| backend default { | |
| .host = "127.0.0.1"; | |
| .port = "8080"; | |
| } | |
| backend self { | |
| .host = "127.0.0.1"; | |
| .port = "80"; |
Luit
/ default.vcl
Created
December 4, 2011 19:40
A much better version of a URL shortening service in VCL. It now uses libvmod-redis and works similar to the ugly Inline C VCL.
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| import redis; | |
| sub vcl_recv { | |
| if (req.url ~ "^/[lL]/[A-Za-z0-9\-_]{4,32}=?=?$") { | |
| set req.http.New-Location = redis.call(regsub(req.url, "^/[lL]/([A-Za-z0-9\-_]{2})([A-Za-z0-9\-_]{2,30}=?=?)$", "HGET short:\1 \2")); | |
| if (req.http.New-Location) { | |
| error 666; | |
| } | |
| error 404 "Not Found"; | |
| } |
Luit
/ reconnect.patch
Created
December 4, 2011 14:33
A simple patch to fix libvmod-redis from completely halting to function after redis-server closes the connection
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| diff --git a/src/vmod_redis.c b/src/vmod_redis.c | |
| index b59652b..7c0544e 100644 | |
| --- a/src/vmod_redis.c | |
| +++ b/src/vmod_redis.c | |
| @@ -81,6 +81,18 @@ redis_common(struct sess *sp, struct vmod_priv *priv, const char *command) | |
| } | |
| reply = redisCommand(c, command); | |
| + if (c->err == REDIS_ERR_EOF) { | |
| + // It seems Redis has disconnected the client, let's try to |
Luit
/ shortener.vcl
Created
December 1, 2011 11:03
A very ugly first version of a URL shortening service written in VCL inline C. There's a whole lot still to be done, but this thing works quite well already.
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| C{ | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <string.h> | |
| #include <hiredis/hiredis.h> | |
| }C | |
| sub vcl_recv { | |
| if (req.http.host ~ "(?i)^a.luit.it$") { | |
| if (req.url ~ "(?i)^/l/.*[A-Za-z0-9\-_]{4,}\+?$") { |
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