static void memcache_callback(liMemcachedRequest *request, liMemcachedResult result, liMemcachedItem *item, GError **err) {
memcache_request *req = request->cb_data;
liVRequest *vr = req->vr;
/* request done */
req->req = NULL;
if (!vr) {
g_slice_free(memcache_request, req);
return;
}
switch (result) {
case LI_MEMCACHED_OK: /* STORED, VALUE, DELETED */
/* steal buffer */
req->buffer = item->data;
item->data = NULL;
if (CORE_OPTION(LI_CORE_OPTION_DEBUG_REQUEST_HANDLING).boolean) {
VR_DEBUG(vr, "memcached.lookup: key '%s' found, flags = %u", item->key->str, (guint) item->flags);
}
break;
case LI_MEMCACHED_NOT_FOUND:
/* ok, nothing to do - we just didn't find an entry */
if (CORE_OPTION(LI_CORE_OPTION_DEBUG_REQUEST_HANDLING).boolean) {
VR_DEBUG(vr, "%s", "memcached.lookup: key not found");
}
break;
case LI_MEMCACHED_NOT_STORED:
case LI_MEMCACHED_EXISTS:
VR_ERROR(vr, "memcached error: %s", "unexpected result");
/* TODO (not possible for lookup) */
break;
case LI_MEMCACHED_RESULT_ERROR:
if (err && *err) {
if (LI_MEMCACHED_DISABLED != (*err)->code) {
VR_ERROR(vr, "memcached error: %s", (*err)->message);
}
} else {
VR_ERROR(vr, "memcached error: %s", "Unknown error");
}
break;
}
li_vrequest_joblist_append(vr);
}
static void stat_cache_finished(gpointer data) {
liStatCacheEntry *sce = data;
guint i;
liVRequest *vr;
if (sce->data.failed) {
if (NULL != sce->sc) sce->sc->errors++;
}
/* queue pending vrequests */
for (i = 0; i < sce->vrequests->len; i++) {
vr = g_ptr_array_index(sce->vrequests, i);
li_vrequest_joblist_append(vr);
}
/* release tasklet reference */
stat_cache_entry_release(sce);
}
/* the CollectCallback */
static void progress_collect_cb(gpointer cbdata, gpointer fdata, GPtrArray *result, gboolean complete) {
guint i;
GString *output;
mod_progress_node *node = NULL;
mod_progress_job *job = fdata;
liVRequest *vr = job->vr;
gboolean debug = job->debug;
mod_progress_format format = job->format;
UNUSED(cbdata);
if (complete) {
/* clear context so it doesn't get cleaned up anymore */
*(job->context) = NULL;
for (i = 0; i < result->len; i++) {
node = g_ptr_array_index(result, i);
if (node)
break;
}
output = g_string_sized_new(128);
/* send mime-type. there seems to be no standard for javascript... using the most commong */
li_http_header_overwrite(vr->response.headers, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("application/x-javascript"));
if (format == PROGRESS_FORMAT_LEGACY) {
g_string_append_len(output, CONST_STR_LEN("new Object("));
} else if (format == PROGRESS_FORMAT_JSONP) {
gchar *val;
guint len;
if (li_querystring_find(vr->request.uri.query, CONST_STR_LEN("X-Progress-Callback"), &val, &len)) {
/* X-Progress-Callback specified, need to check for xss */
gchar *c;
for (c = val; c != val+len; c++) {
if ((*c >= 'a' && *c <= 'z') || (*c >= 'A' && *c <= 'Z') || (*c >= '0' && *c <= '9') || *c == '.' || *c == '_')
continue;
break;
}
/* was there a bad char? */
if (c != val+len) {
g_string_append_len(output, CONST_STR_LEN("progress("));
} else {
g_string_append_len(output,val, len);
g_string_append_c(output, '(');
}
} else {
g_string_append_len(output, CONST_STR_LEN("progress("));
}
}
if (!node) {
/* progress id not known */
if (debug)
VR_DEBUG(vr, "progress.show: progress id \"%s\" unknown", job->id);
g_string_append_len(output, CONST_STR_LEN("{\"state\": \"unknown\"}"));
} else {
if (debug)
VR_DEBUG(vr, "progress.show: progress id \"%s\" found", job->id);
if (node->vr) {
/* still in progress */
g_string_append_printf(output,
"{\"state\": \"running\", \"received\": %"G_GUINT64_FORMAT", \"sent\": %"G_GUINT64_FORMAT", \"request_size\": %"G_GUINT64_FORMAT", \"response_size\": %"G_GUINT64_FORMAT"}",
node->bytes_in, node->bytes_out, node->request_size, node->response_size
);
} else if (node->status_code == 200) {
/* done, success */
g_string_append_printf(output,
"{\"state\": \"done\", \"received\": %"G_GUINT64_FORMAT", \"sent\": %"G_GUINT64_FORMAT", \"request_size\": %"G_GUINT64_FORMAT", \"response_size\": %"G_GUINT64_FORMAT"}",
node->bytes_in, node->bytes_out, node->request_size, node->response_size
);
} else {
/* done, error */
g_string_append_printf(output,
"{\"state\": \"error\", \"status\": %d}",
node->status_code
);
}
}
if (format == PROGRESS_FORMAT_LEGACY || format == PROGRESS_FORMAT_JSONP) {
g_string_append_c(output, ')');
}
vr->response.http_status = 200;
li_chunkqueue_append_string(vr->out, output);
li_vrequest_handle_direct(vr);
li_vrequest_joblist_append(vr);
}
/* free results */
for (i = 0; i < result->len; i++) {
if (g_ptr_array_index(result, i))
g_slice_free(mod_progress_node, g_ptr_array_index(result, i));
}
g_free(job->id);
g_slice_free(mod_progress_job, job);
}