s3:lib make server contexts generic

Pair-programmed-with: Andreas Schneider <asn@samba.org>

source3/Makefile.in

@@ -406,6 +406,7 @@ LIB_OBJ = $(LIBSAMBAUTIL_OBJ) $(UTIL_OBJ) $(CRYPTO_OBJ) \
 	  lib/conn_tdb.o lib/adt_tree.o lib/gencache.o \
 	  lib/sessionid_tdb.o \
 	  lib/module.o lib/events.o @LIBTEVENT_OBJ0@ \
+	  lib/server_contexts.o \
 	  lib/ldap_escape.o @CHARSET_STATIC@ \
 	  lib/secdesc.o lib/util_seaccess.o ../libcli/security/secace.o \
 	  ../libcli/security/sddl.o \

source3/include/proto.h

@@ -6247,6 +6247,12 @@ void set_root_sec_ctx(void);
 bool pop_sec_ctx(void);
 void init_sec_ctx(void);
 
+/* The following definitions come from lib/server_contexts.c  */
+struct tevent_context *server_event_context(void);
+void server_event_context_free(void);
+struct messaging_context *server_messaging_context(void);
+void server_messaging_context_free(void);
+
 /* The following definitions come from smbd/server.c  */
 
 int smbd_server_fd(void);

source3/lib/server_contexts.c

@@ -0,0 +1,69 @@
+/*
+   Unix SMB/CIFS implementation.
+   Common server globals
+
+   Copyright (C) Simo Sorce <idra@samba.org> 2010
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+
+struct tevent_context *server_event_ctx = NULL;
+
+struct tevent_context *server_event_context(void)
+{
+	if (!server_event_ctx) {
+		/*
+		 * Note we MUST use the NULL context here, not the
+		 * autofree context, to avoid side effects in forked
+		 * children exiting.
+		 */
+		server_event_ctx = s3_tevent_context_init(NULL);
+	}
+	if (!server_event_ctx) {
+		smb_panic("Could not init server's event context");
+	}
+	return server_event_ctx;
+}
+
+void server_event_context_free(void)
+{
+	TALLOC_FREE(server_event_ctx);
+}
+
+struct messaging_context *server_msg_ctx = NULL;
+
+struct messaging_context *server_messaging_context(void)
+{
+	if (server_msg_ctx == NULL) {
+		/*
+		 * Note we MUST use the NULL context here, not the
+		 * autofree context, to avoid side effects in forked
+		 * children exiting.
+		 */
+		server_msg_ctx = messaging_init(NULL,
+					        procid_self(),
+					        server_event_context());
+	}
+	if (server_msg_ctx == NULL) {
+		DEBUG(0, ("Could not init server's messaging context.\n"));
+	}
+	return server_msg_ctx;
+}
+
+void server_messaging_context_free(void)
+{
+	TALLOC_FREE(server_msg_ctx);
+}

source3/smbd/globals.c

@@ -113,8 +113,6 @@ struct kernel_oplocks *koplocks = NULL;
 
 int am_parent = 1;
 int server_fd = -1;
-struct event_context *smbd_event_ctx = NULL;
-struct messaging_context *smbd_msg_ctx = NULL;
 struct memcache *smbd_memcache_ctx = NULL;
 bool exit_firsttime = true;
 struct child_pid *children = 0;
@@ -124,20 +122,7 @@ struct smbd_server_connection *smbd_server_conn = NULL;
 
 struct messaging_context *smbd_messaging_context(void)
 {
-	if (smbd_msg_ctx == NULL) {
-		/*
-		 * Note we MUST use the NULL context here, not the
-		 * autofree context, to avoid side effects in forked
-		 * children exiting.
-		 */
-		smbd_msg_ctx = messaging_init(NULL,
-					      procid_self(),
-					      smbd_event_context());
-	}
-	if (smbd_msg_ctx == NULL) {
-		DEBUG(0, ("Could not init smbd messaging context.\n"));
-	}
-	return smbd_msg_ctx;
+	return server_messaging_context();
 }
 
 struct memcache *smbd_memcache(void)

source3/smbd/server.c

@@ -49,18 +49,7 @@ int get_client_fd(void)
 
 struct event_context *smbd_event_context(void)
 {
-	if (!smbd_event_ctx) {
-		/*
-		 * Note we MUST use the NULL context here, not the
-		 * autofree context, to avoid side effects in forked
-		 * children exiting.
-		 */
-		smbd_event_ctx = event_context_init(NULL);
-	}
-	if (!smbd_event_ctx) {
-		smb_panic("Could not init smbd event context");
-	}
-	return smbd_event_ctx;
+	return server_event_context();
 }
 
 /*******************************************************************

source3/smbd/server_exit.c

@@ -119,8 +119,8 @@ static void exit_server_common(enum server_exit_reason how,
 	 */
 	sconn = NULL;
 	TALLOC_FREE(smbd_server_conn);
-	TALLOC_FREE(smbd_msg_ctx);
-	TALLOC_FREE(smbd_event_ctx);
+	server_messaging_context_free();
+	server_event_context_free();
 	TALLOC_FREE(smbd_memcache_ctx);
 
 	if (how != SERVER_EXIT_NORMAL) {