nats.zig/deps/nats.c/src/asynccb.c
torque 79a45fd2e3
git subrepo clone (merge) --branch=v3.6.1 https://github.com/nats-io/nats.c.git deps/nats.c
subrepo:
  subdir:   "deps/nats.c"
  merged:   "66cec7f"
upstream:
  origin:   "https://github.com/nats-io/nats.c.git"
  branch:   "v3.6.1"
  commit:   "66cec7f"
git-subrepo:
  version:  "0.4.6"
  commit:   "b8b46501e"
2023-08-15 00:21:33 -07:00

107 lines
2.6 KiB
C

// Copyright 2015-2018 The NATS Authors
// 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.
#include "natsp.h"
#include "mem.h"
#include "conn.h"
#if defined(NATS_HAS_STREAMING)
#include "stan/conn.h"
#endif
static void
_freeAsyncCbInfo(natsAsyncCbInfo *info)
{
NATS_FREE(info->errTxt);
NATS_FREE(info);
}
static void
_createAndPostCb(natsAsyncCbType type, natsConnection *nc, natsSubscription *sub, natsStatus err,
char *errTxt, void* scPtr)
{
natsStatus s = NATS_OK;
natsAsyncCbInfo *cb;
#if defined(NATS_HAS_STREAMING)
stanConnection *sc = (stanConnection*) scPtr;
#endif
cb = NATS_CALLOC(1, sizeof(natsAsyncCbInfo));
if (cb == NULL)
{
// We will ignore for now since that makes the caller handle the
// possibility of having to run the callbacks in-line...
return;
}
cb->type = type;
cb->nc = nc;
cb->sub = sub;
cb->err = err;
cb->errTxt = errTxt;
#if defined(NATS_HAS_STREAMING)
cb->sc = sc;
stanConn_retain(sc);
#endif
natsConn_retain(nc);
s = nats_postAsyncCbInfo(cb);
if (s != NATS_OK)
{
_freeAsyncCbInfo(cb);
natsConn_release(nc);
}
}
void
natsAsyncCb_PostConnHandler(natsConnection *nc, natsAsyncCbType type)
{
_createAndPostCb(type, nc, NULL, NATS_OK, NULL, NULL);
}
void
natsAsyncCb_PostErrHandler(natsConnection *nc, natsSubscription *sub, natsStatus err, char *errTxt)
{
_createAndPostCb(ASYNC_ERROR, nc, sub, err, errTxt, NULL);
}
#if defined(NATS_HAS_STREAMING)
void
natsAsyncCb_PostStanConnLostHandler(stanConnection *sc)
{
_createAndPostCb(ASYNC_STAN_CONN_LOST, NULL, NULL, NATS_CONNECTION_CLOSED, NULL, (void*) sc);
}
#endif
void
natsAsyncCb_Destroy(natsAsyncCbInfo *info)
{
natsConnection *nc = NULL;
#if defined(NATS_HAS_STREAMING)
stanConnection *sc = NULL;
#endif
if (info == NULL)
return;
nc = info->nc;
#if defined(NATS_HAS_STREAMING)
sc = info->sc;
#endif
_freeAsyncCbInfo(info);
natsConn_release(nc);
#if defined(NATS_HAS_STREAMING)
stanConn_release(sc);
#endif
}