137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
/*
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* Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC")
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: app_api.c,v 1.5 2009/09/02 23:48:02 tbox Exp $ */
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#include <config.h>
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#include <unistd.h>
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#include <isc/app.h>
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#include <isc/magic.h>
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#include <isc/mutex.h>
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#include <isc/once.h>
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#include <isc/util.h>
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static isc_mutex_t createlock;
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static isc_once_t once = ISC_ONCE_INIT;
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static isc_appctxcreatefunc_t appctx_createfunc = NULL;
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#define ISCAPI_APPMETHODS_VALID(m) ISC_MAGIC_VALID(m, ISCAPI_APPMETHODS_MAGIC)
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static void
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initialize(void) {
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RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS);
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}
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isc_result_t
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isc_app_register(isc_appctxcreatefunc_t createfunc) {
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isc_result_t result = ISC_R_SUCCESS;
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RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
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LOCK(&createlock);
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if (appctx_createfunc == NULL)
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appctx_createfunc = createfunc;
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else
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result = ISC_R_EXISTS;
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UNLOCK(&createlock);
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return (result);
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}
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isc_result_t
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isc_appctx_create(isc_mem_t *mctx, isc_appctx_t **ctxp) {
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isc_result_t result;
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LOCK(&createlock);
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REQUIRE(appctx_createfunc != NULL);
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result = (*appctx_createfunc)(mctx, ctxp);
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UNLOCK(&createlock);
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return (result);
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}
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void
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isc_appctx_destroy(isc_appctx_t **ctxp) {
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REQUIRE(ctxp != NULL && ISCAPI_APPCTX_VALID(*ctxp));
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(*ctxp)->methods->ctxdestroy(ctxp);
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ENSURE(*ctxp == NULL);
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}
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isc_result_t
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isc_app_ctxstart(isc_appctx_t *ctx) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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return (ctx->methods->ctxstart(ctx));
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}
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isc_result_t
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isc_app_ctxrun(isc_appctx_t *ctx) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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return (ctx->methods->ctxrun(ctx));
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}
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isc_result_t
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isc_app_ctxsuspend(isc_appctx_t *ctx) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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return (ctx->methods->ctxsuspend(ctx));
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}
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isc_result_t
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isc_app_ctxshutdown(isc_appctx_t *ctx) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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return (ctx->methods->ctxshutdown(ctx));
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}
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void
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isc_app_ctxfinish(isc_appctx_t *ctx) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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ctx->methods->ctxfinish(ctx);
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}
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void
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isc_appctx_settaskmgr(isc_appctx_t *ctx, isc_taskmgr_t *taskmgr) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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REQUIRE(taskmgr != NULL);
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ctx->methods->settaskmgr(ctx, taskmgr);
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}
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void
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isc_appctx_setsocketmgr(isc_appctx_t *ctx, isc_socketmgr_t *socketmgr) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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REQUIRE(socketmgr != NULL);
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ctx->methods->setsocketmgr(ctx, socketmgr);
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}
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void
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isc_appctx_settimermgr(isc_appctx_t *ctx, isc_timermgr_t *timermgr) {
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REQUIRE(ISCAPI_APPCTX_VALID(ctx));
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REQUIRE(timermgr != NULL);
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ctx->methods->settimermgr(ctx, timermgr);
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}
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