Files
uwsgi/plugins/cache/cache.c
2012-04-07 21:08:42 +02:00

106 lines
4.5 KiB
C

#include "../../uwsgi.h"
void cache_command(char *key, uint16_t keylen, char *val, uint16_t vallen, void *data) {
struct wsgi_request *wsgi_req = (struct wsgi_request *) data;
uint64_t tmp_vallen = 0;
if (vallen > 0) {
if (!uwsgi_strncmp(key, keylen, "key", 3)) {
val = uwsgi_cache_get(val, vallen, &tmp_vallen);
if (val && tmp_vallen > 0) {
#ifdef UWSGI_DEBUG
uwsgi_log("cache value size: %llu\n", tmp_vallen);
#endif
wsgi_req->response_size = wsgi_req->socket->proto_write(wsgi_req, val, tmp_vallen);
}
}
else if (!uwsgi_strncmp(key, keylen, "get", 3)) {
val = uwsgi_cache_get(val, vallen, &tmp_vallen);
if (val && vallen > 0) {
wsgi_req->response_size = wsgi_req->socket->proto_write(wsgi_req, val, tmp_vallen);
}
else {
wsgi_req->response_size = wsgi_req->socket->proto_write(wsgi_req, "HTTP/1.0 404 Not Found\r\n\r\n<h1>Not Found</h1>", 44);
}
}
}
}
int uwsgi_cache_request(struct wsgi_request *wsgi_req) {
uint64_t vallen = 0;
char *value;
char *argv[3];
uint16_t argvs[3];
uint8_t argc = 0;
switch(wsgi_req->uh.modifier2) {
case 0:
// get
if (wsgi_req->uh.pktsize > 0) {
value = uwsgi_cache_get(wsgi_req->buffer, wsgi_req->uh.pktsize, &vallen);
if (value && vallen > 0) {
wsgi_req->uh.pktsize = vallen;
wsgi_req->response_size = wsgi_req->socket->proto_write(wsgi_req, (char *)&wsgi_req->uh, 4);
wsgi_req->response_size += wsgi_req->socket->proto_write(wsgi_req, value, vallen);
}
}
break;
case 1:
// set
if (wsgi_req->uh.pktsize > 0) {
argc = 3;
if (!uwsgi_parse_array(wsgi_req->buffer, wsgi_req->uh.pktsize, argv, argvs, &argc)) {
if (argc > 1) {
uwsgi_cache_set(argv[0], argvs[0], argv[1], argvs[1], 0, 0);
}
}
}
break;
case 2:
// del
if (wsgi_req->uh.pktsize > 0) {
uwsgi_cache_del(wsgi_req->buffer, wsgi_req->uh.pktsize, 0);
}
break;
case 3:
case 4:
// dict
if (wsgi_req->uh.pktsize > 0) {
uwsgi_hooked_parse(wsgi_req->buffer, wsgi_req->uh.pktsize, cache_command, (void *) wsgi_req);
}
break;
case 5:
// get (uwsgi + stream)
if (wsgi_req->uh.pktsize > 0) {
value = uwsgi_cache_get(wsgi_req->buffer, wsgi_req->uh.pktsize, &vallen);
if (value && vallen > 0) {
wsgi_req->uh.pktsize = 0;
wsgi_req->uh.modifier2 = 1;
wsgi_req->response_size = wsgi_req->socket->proto_write(wsgi_req, (char *)&wsgi_req->uh, 4);
wsgi_req->response_size += wsgi_req->socket->proto_write(wsgi_req, value, vallen);
}
else {
wsgi_req->uh.pktsize = 0;
wsgi_req->uh.modifier2 = 0;
wsgi_req->response_size = wsgi_req->socket->proto_write(wsgi_req, (char *)&wsgi_req->uh, 4);
}
}
break;
}
return 0;
}
struct uwsgi_plugin cache_plugin = {
.name = "cache",
.modifier1 = 111,
.request = uwsgi_cache_request,
};