Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 253 insertions, 0 deletions

diff --git a/lib/isc/app_api.c b/lib/isc/app_api.c
new file mode 100644
index 0000000..425eb5a
--- /dev/null
+++ b/lib/isc/app_api.c
@@ -0,0 +1,253 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+
+#include <config.h>
+
+#include <stdbool.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;
+static bool is_running = false;
+
+#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;
+
+	if (isc_bind9)
+		return (isc__appctx_create(mctx, ctxp));
+
+	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));
+
+	if (isc_bind9)
+		isc__appctx_destroy(ctxp);
+	else
+		(*ctxp)->methods->ctxdestroy(ctxp);
+
+	ENSURE(*ctxp == NULL);
+}
+
+isc_result_t
+isc_app_ctxstart(isc_appctx_t *ctx) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+
+	if (isc_bind9)
+		return (isc__app_ctxstart(ctx));
+
+	return (ctx->methods->ctxstart(ctx));
+}
+
+isc_result_t
+isc_app_ctxrun(isc_appctx_t *ctx) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+
+	if (isc_bind9)
+		return (isc__app_ctxrun(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));
+
+	if (isc_bind9)
+		return (isc__app_ctxonrun(ctx, mctx, task, action, arg));
+
+	return (ctx->methods->ctxonrun(ctx, mctx, task, action, arg));
+}
+
+isc_result_t
+isc_app_ctxsuspend(isc_appctx_t *ctx) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+
+	if (isc_bind9)
+		return (isc__app_ctxsuspend(ctx));
+
+	return (ctx->methods->ctxsuspend(ctx));
+}
+
+isc_result_t
+isc_app_ctxshutdown(isc_appctx_t *ctx) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+
+	if (isc_bind9)
+		return (isc__app_ctxshutdown(ctx));
+
+	return (ctx->methods->ctxshutdown(ctx));
+}
+
+void
+isc_app_ctxfinish(isc_appctx_t *ctx) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+
+	if (isc_bind9)
+		isc__app_ctxfinish(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);
+
+	if (isc_bind9)
+		isc__appctx_settaskmgr(ctx, taskmgr);
+
+	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);
+
+	if (isc_bind9)
+		isc__appctx_setsocketmgr(ctx, socketmgr);
+
+	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);
+
+	if (isc_bind9)
+		isc__appctx_settimermgr(ctx, timermgr);
+
+	ctx->methods->settimermgr(ctx, timermgr);
+}
+
+isc_result_t
+isc_app_start(void) {
+	if (isc_bind9)
+		return (isc__app_start());
+
+	return (ISC_R_NOTIMPLEMENTED);
+}
+
+isc_result_t
+isc_app_onrun(isc_mem_t *mctx, isc_task_t *task,
+	       isc_taskaction_t action, void *arg)
+{
+	if (isc_bind9)
+		return (isc__app_onrun(mctx, task, action, arg));
+
+	return (ISC_R_NOTIMPLEMENTED);
+}
+
+isc_result_t
+isc_app_run() {
+	if (isc_bind9) {
+		isc_result_t result;
+
+		is_running = true;
+		result = isc__app_run();
+		is_running = false;
+
+		return (result);
+	}
+
+	return (ISC_R_NOTIMPLEMENTED);
+}
+
+bool
+isc_app_isrunning() {
+	return (is_running);
+}
+
+isc_result_t
+isc_app_shutdown(void) {
+	if (isc_bind9)
+		return (isc__app_shutdown());
+
+	return (ISC_R_NOTIMPLEMENTED);
+}
+
+isc_result_t
+isc_app_reload(void) {
+	if (isc_bind9)
+		return (isc__app_reload());
+
+	return (ISC_R_NOTIMPLEMENTED);
+}
+
+void
+isc_app_finish(void) {
+	if (!isc_bind9)
+		return;
+
+	isc__app_finish();
+}
+
+void
+isc_app_block(void) {
+	if (!isc_bind9)
+		return;
+
+	isc__app_block();
+}
+
+void
+isc_app_unblock(void) {
+	if (!isc_bind9)
+		return;
+
+	isc__app_unblock();
+}