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/*
* Copyright (C) 2009, 2013 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: app_api.c,v 1.5 2009/09/02 23:48:02 tbox Exp $ */
#include <config.h>
#include <unistd.h>
#include <isc/app.h>
#include <isc/magic.h>
#include <isc/mutex.h>
#include <isc/once.h>
#include <isc/util.h>
static isc_mutex_t createlock;
static isc_once_t once = ISC_ONCE_INIT;
static isc_appctxcreatefunc_t appctx_createfunc = NULL;
#define ISCAPI_APPMETHODS_VALID(m) ISC_MAGIC_VALID(m, ISCAPI_APPMETHODS_MAGIC)
static void
initialize(void) {
RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS);
}
isc_result_t
isc_app_register(isc_appctxcreatefunc_t createfunc) {
isc_result_t result = ISC_R_SUCCESS;
RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
LOCK(&createlock);
if (appctx_createfunc == NULL)
appctx_createfunc = createfunc;
else
result = ISC_R_EXISTS;
UNLOCK(&createlock);
return (result);
}
isc_result_t
isc_appctx_create(isc_mem_t *mctx, isc_appctx_t **ctxp) {
isc_result_t result;
LOCK(&createlock);
REQUIRE(appctx_createfunc != NULL);
result = (*appctx_createfunc)(mctx, ctxp);
UNLOCK(&createlock);
return (result);
}
void
isc_appctx_destroy(isc_appctx_t **ctxp) {
REQUIRE(ctxp != NULL && ISCAPI_APPCTX_VALID(*ctxp));
(*ctxp)->methods->ctxdestroy(ctxp);
ENSURE(*ctxp == NULL);
}
isc_result_t
isc_app_ctxstart(isc_appctx_t *ctx) {
REQUIRE(ISCAPI_APPCTX_VALID(ctx));
return (ctx->methods->ctxstart(ctx));
}
isc_result_t
isc_app_ctxrun(isc_appctx_t *ctx) {
REQUIRE(ISCAPI_APPCTX_VALID(ctx));
return (ctx->methods->ctxrun(ctx));
}
isc_result_t
isc_app_ctxonrun(isc_appctx_t *ctx, isc_mem_t *mctx,
isc_task_t *task, isc_taskaction_t action,
void *arg)
{
REQUIRE(ISCAPI_APPCTX_VALID(ctx));
return (ctx->methods->ctxonrun(ctx, mctx, task, action, arg));
}
isc_result_t
isc_app_ctxsuspend(isc_appctx_t *ctx) {
REQUIRE(ISCAPI_APPCTX_VALID(ctx));
return (ctx->methods->ctxsuspend(ctx));
}
isc_result_t
isc_app_ctxshutdown(isc_appctx_t *ctx) {
REQUIRE(ISCAPI_APPCTX_VALID(ctx));
return (ctx->methods->ctxshutdown(ctx));
}
void
isc_app_ctxfinish(isc_appctx_t *ctx) {
REQUIRE(ISCAPI_APPCTX_VALID(ctx));
ctx->methods->ctxfinish(ctx);
}
void
isc_appctx_settaskmgr(isc_appctx_t *ctx, isc_taskmgr_t *taskmgr) {
REQUIRE(ISCAPI_APPCTX_VALID(ctx));
REQUIRE(taskmgr != NULL);
ctx->methods->settaskmgr(ctx, taskmgr);
}
void
isc_appctx_setsocketmgr(isc_appctx_t *ctx, isc_socketmgr_t *socketmgr) {
REQUIRE(ISCAPI_APPCTX_VALID(ctx));
REQUIRE(socketmgr != NULL);
ctx->methods->setsocketmgr(ctx, socketmgr);
}
void
isc_appctx_settimermgr(isc_appctx_t *ctx, isc_timermgr_t *timermgr) {
REQUIRE(ISCAPI_APPCTX_VALID(ctx));
REQUIRE(timermgr != NULL);
ctx->methods->settimermgr(ctx, timermgr);
}
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