void uwsgi_ssl_session_remove_cb(SSL_CTX *ctx, SSL_SESSION *sess) {
uwsgi_wlock(uwsgi.ssl_sessions_cache->lock);
if (uwsgi_cache_del2(uwsgi.ssl_sessions_cache, (char *) sess->session_id, sess->session_id_length, 0, 0)) {
if (uwsgi.ssl_verbose) {
uwsgi_log("[uwsgi-ssl] error removing cache item\n");
}
}
uwsgi_rwunlock(uwsgi.ssl_sessions_cache->lock);
}
// this function does not use the magic api internally to avoid too much copy
static void manage_magic_context(struct wsgi_request *wsgi_req, struct uwsgi_cache_magic_context *ucmc) {
struct uwsgi_buffer *ub = NULL;
struct uwsgi_cache *uc = uwsgi.caches;
if (ucmc->cache_len > 0) {
uc = uwsgi_cache_by_namelen(ucmc->cache, ucmc->cache_len);
if (!uc) return;
}
if (!uc) return;
// cache get
if (!uwsgi_strncmp(ucmc->cmd, ucmc->cmd_len, "get", 3)) {
uint64_t vallen = 0;
uint64_t expires = 0;
uwsgi_rlock(uc->lock);
char *value = uwsgi_cache_get3(uc, ucmc->key, ucmc->key_len, &vallen, &expires);
if (!value) {
uwsgi_rwunlock(uc->lock);
return;
}
// we are still locked !!!
ub = uwsgi_buffer_new(uwsgi.page_size);
ub->pos = 4;
if (uwsgi_buffer_append_keyval(ub, "status", 6, "ok", 2)) goto error;
if (uwsgi_buffer_append_keynum(ub, "size", 4, vallen)) goto error;
if (expires) {
if (uwsgi_buffer_append_keynum(ub, "expires", 7, expires)) goto error;
}
if (uwsgi_buffer_set_uh(ub, 111, 17)) goto error;
if (uwsgi_buffer_append(ub, value, vallen)) goto error;
// unlock !!!
uwsgi_rwunlock(uc->lock);
uwsgi_response_write_body_do(wsgi_req, ub->buf, ub->pos);
uwsgi_buffer_destroy(ub);
return;
}
// cache exists
if (!uwsgi_strncmp(ucmc->cmd, ucmc->cmd_len, "exists", 6)) {
uwsgi_rlock(uc->lock);
if (!uwsgi_cache_exists2(uc, ucmc->key, ucmc->key_len)) {
uwsgi_rwunlock(uc->lock);
return;
}
// we are still locked !!!
ub = uwsgi_buffer_new(uwsgi.page_size);
ub->pos = 4;
if (uwsgi_buffer_append_keyval(ub, "status", 6, "ok", 2)) goto error;
if (uwsgi_buffer_set_uh(ub, 111, 17)) goto error;
// unlock !!!
uwsgi_rwunlock(uc->lock);
uwsgi_response_write_body_do(wsgi_req, ub->buf, ub->pos);
uwsgi_buffer_destroy(ub);
return;
}
// cache del
if (!uwsgi_strncmp(ucmc->cmd, ucmc->cmd_len, "del", 3)) {
uwsgi_wlock(uc->lock);
if (uwsgi_cache_del2(uc, ucmc->key, ucmc->key_len, 0, 0)) {
uwsgi_rwunlock(uc->lock);
return;
}
// we are still locked !!!
ub = uwsgi_buffer_new(uwsgi.page_size);
ub->pos = 4;
if (uwsgi_buffer_append_keyval(ub, "status", 6, "ok", 2)) goto error;
if (uwsgi_buffer_set_uh(ub, 111, 17)) goto error;
// unlock !!!
uwsgi_rwunlock(uc->lock);
uwsgi_response_write_body_do(wsgi_req, ub->buf, ub->pos);
uwsgi_buffer_destroy(ub);
return;
}
// cache clear
if (!uwsgi_strncmp(ucmc->cmd, ucmc->cmd_len, "clear", 5)) {
uint64_t i;
uwsgi_wlock(uc->lock);
for (i = 1; i < uwsgi.caches->max_items; i++) {
if (uwsgi_cache_del2(uc, NULL, 0, i, 0)) {
uwsgi_rwunlock(uc->lock);
return;
}
}
// we are still locked !!!
ub = uwsgi_buffer_new(uwsgi.page_size);
ub->pos = 4;
if (uwsgi_buffer_append_keyval(ub, "status", 6, "ok", 2)) goto error;
if (uwsgi_buffer_set_uh(ub, 111, 17)) goto error;
// unlock !!!
uwsgi_rwunlock(uc->lock);
uwsgi_response_write_body_do(wsgi_req, ub->buf, ub->pos);
uwsgi_buffer_destroy(ub);
return;
}
// cache set
if (!uwsgi_strncmp(ucmc->cmd, ucmc->cmd_len, "set", 3) || !uwsgi_strncmp(ucmc->cmd, ucmc->cmd_len, "update", 6)) {
if (ucmc->size == 0 || ucmc->size > uc->max_item_size) return;
wsgi_req->post_cl = ucmc->size;
// read the value
ssize_t rlen = 0;
char *value = uwsgi_request_body_read(wsgi_req, ucmc->size, &rlen);
if (rlen != (ssize_t) ucmc->size) return;
// ok let's lock
uwsgi_wlock(uc->lock);
if (uwsgi_cache_set2(uc, ucmc->key, ucmc->key_len, value, ucmc->size, ucmc->expires, ucmc->cmd_len > 3 ? UWSGI_CACHE_FLAG_UPDATE : 0)) {
uwsgi_rwunlock(uc->lock);
return;
}
// we are still locked !!!
ub = uwsgi_buffer_new(uwsgi.page_size);
ub->pos = 4;
if (uwsgi_buffer_append_keyval(ub, "status", 6, "ok", 2)) goto error;
if (uwsgi_buffer_set_uh(ub, 111, 17)) goto error;
// unlock !!!
uwsgi_rwunlock(uc->lock);
uwsgi_response_write_body_do(wsgi_req, ub->buf, ub->pos);
uwsgi_buffer_destroy(ub);
return;
}
return;
error:
uwsgi_rwunlock(uc->lock);
uwsgi_buffer_destroy(ub);
}