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"
107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
// Copyright 2015-2018 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "natsp.h"
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#include "mem.h"
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#include "conn.h"
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#if defined(NATS_HAS_STREAMING)
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#include "stan/conn.h"
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#endif
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static void
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_freeAsyncCbInfo(natsAsyncCbInfo *info)
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{
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NATS_FREE(info->errTxt);
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NATS_FREE(info);
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}
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static void
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_createAndPostCb(natsAsyncCbType type, natsConnection *nc, natsSubscription *sub, natsStatus err,
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char *errTxt, void* scPtr)
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{
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natsStatus s = NATS_OK;
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natsAsyncCbInfo *cb;
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#if defined(NATS_HAS_STREAMING)
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stanConnection *sc = (stanConnection*) scPtr;
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#endif
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cb = NATS_CALLOC(1, sizeof(natsAsyncCbInfo));
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if (cb == NULL)
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{
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// We will ignore for now since that makes the caller handle the
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// possibility of having to run the callbacks in-line...
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return;
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}
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cb->type = type;
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cb->nc = nc;
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cb->sub = sub;
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cb->err = err;
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cb->errTxt = errTxt;
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#if defined(NATS_HAS_STREAMING)
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cb->sc = sc;
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stanConn_retain(sc);
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#endif
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natsConn_retain(nc);
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s = nats_postAsyncCbInfo(cb);
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if (s != NATS_OK)
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{
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_freeAsyncCbInfo(cb);
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natsConn_release(nc);
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}
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}
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void
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natsAsyncCb_PostConnHandler(natsConnection *nc, natsAsyncCbType type)
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{
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_createAndPostCb(type, nc, NULL, NATS_OK, NULL, NULL);
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}
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void
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natsAsyncCb_PostErrHandler(natsConnection *nc, natsSubscription *sub, natsStatus err, char *errTxt)
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{
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_createAndPostCb(ASYNC_ERROR, nc, sub, err, errTxt, NULL);
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}
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#if defined(NATS_HAS_STREAMING)
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void
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natsAsyncCb_PostStanConnLostHandler(stanConnection *sc)
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{
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_createAndPostCb(ASYNC_STAN_CONN_LOST, NULL, NULL, NATS_CONNECTION_CLOSED, NULL, (void*) sc);
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}
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#endif
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void
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natsAsyncCb_Destroy(natsAsyncCbInfo *info)
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{
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natsConnection *nc = NULL;
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#if defined(NATS_HAS_STREAMING)
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stanConnection *sc = NULL;
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#endif
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if (info == NULL)
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return;
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nc = info->nc;
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#if defined(NATS_HAS_STREAMING)
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sc = info->sc;
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#endif
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_freeAsyncCbInfo(info);
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natsConn_release(nc);
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#if defined(NATS_HAS_STREAMING)
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stanConn_release(sc);
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#endif
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}
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