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/*
* Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Fulup Ar Foll"
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define _GNU_SOURCE
#include <assert.h>
#include <stdlib.h>
#include "session.h"
#include "afb-context.h"
static void init_context(struct afb_context *context, struct AFB_clientCtx *session, const char *token)
{
assert(session != NULL);
/* reset the context for the session */
context->session = session;
context->flags = 0;
context->api_index = -1;
context->loa_in = ctxClientGetLOA(session) & 7;
/* check the token */
if (token != NULL) {
if (ctxTokenCheck(session, token))
context->validated = 1;
else
context->invalidated = 1;
}
}
void afb_context_init(struct afb_context *context, struct AFB_clientCtx *session, const char *token)
{
init_context(context, ctxClientAddRef(session), token);
}
int afb_context_connect(struct afb_context *context, const char *uuid, const char *token)
{
int created;
struct AFB_clientCtx *session;
session = ctxClientGetSession (uuid, &created);
if (session == NULL)
return -1;
init_context(context, session, token);
if (created) {
context->created = 1;
context->refreshing = 1;
}
return 0;
}
void afb_context_disconnect(struct afb_context *context)
{
if (context->session != NULL) {
if (context->refreshing && !context->refreshed) {
ctxTokenNew (context->session);
context->refreshed = 1;
}
if (context->loa_changing && !context->loa_changed) {
ctxClientSetLOA (context->session, context->loa_out);
context->loa_changed = 1;
}
if (context->closing && !context->closed) {
ctxClientClose(context->session);
context->closed = 1;
}
ctxClientUnref(context->session);
context->session = NULL;
}
}
const char *afb_context_sent_token(struct afb_context *context)
{
if (context->session == NULL || context->closing)
return NULL;
if (!context->refreshing)
return NULL;
if (!context->refreshed) {
ctxTokenNew (context->session);
context->refreshed = 1;
}
return ctxClientGetToken(context->session);
}
const char *afb_context_sent_uuid(struct afb_context *context)
{
if (context->session == NULL || context->closing)
return NULL;
if (!context->created)
return NULL;
return ctxClientGetUuid(context->session);
}
void *afb_context_get(struct afb_context *context)
{
assert(context->session != NULL);
return ctxClientValueGet(context->session, context->api_index);
}
void afb_context_set(struct afb_context *context, void *value, void (*free_value)(void*))
{
assert(context->session != NULL);
return ctxClientValueSet(context->session, context->api_index, value, free_value);
}
void afb_context_close(struct afb_context *context)
{
context->closing = 1;
}
void afb_context_refresh(struct afb_context *context)
{
assert(context->validated);
context->refreshing = 1;
}
int afb_context_check(struct afb_context *context)
{
return context->validated;
}
int afb_context_check_loa(struct afb_context *context, unsigned loa)
{
return context->loa_in >= loa;
}
void afb_context_change_loa(struct afb_context *context, unsigned loa)
{
assert(context->validated);
if (loa == context->loa_in)
context->loa_changing = 0;
else {
context->loa_changing = 1;
context->loa_out = loa & 7;
}
}
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