A simple patch to fix libvmod-redis from completely halting to function after redis-server closes the connection

reconnect.patch

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
+               // reconnect and try running the command once more
+               c = redisConnect(cfg->host, cfg->port);
+               if (c->err) {
+                       LOG_E("redis error (reconnect): %s\n", c->errstr);
+               } else {
+                       // redisFree(pthread_getspecific(redis_key)); // should I do this here?
+                       (void)pthread_setspecific(redis_key, c);
+                       reply = redisCommand(c, command);
+               }
+       }
        if (reply == NULL) {
                LOG_E("redis error (command): err=%d errstr=%s\n", c->err, c->errstr);
                return NULL;