Add core fd plugin code

git-svn-id: https://bacula.svn.sourceforge.net/svnroot/bacula/trunk@6264 91ce42f0-d328-0410-95d8-f526ca767f89

diff --git a/bacula/src/dird/fd-plugins.c b/bacula/src/dird/fd-plugins.c
new file mode 100644 (file)
index 0000000..5ab78a6
--- /dev/null
+++ b/bacula/src/dird/fd-plugins.c
@@ -0,0 +1,186 @@
+/*
+   Bacula® - The Network Backup Solution
+
+   Copyright (C) 2007-2008 Free Software Foundation Europe e.V.
+
+   The main author of Bacula is Kern Sibbald, with contributions from
+   many others, a complete list can be found in the file AUTHORS.
+   This program is Free Software; you can redistribute it and/or
+   modify it under the terms of version two of the GNU General Public
+   License as published by the Free Software Foundation, which is 
+   listed in the file LICENSE.
+
+   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, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.
+
+   Bacula® is a registered trademark of John Walker.
+   The licensor of Bacula is the Free Software Foundation Europe
+   (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+   Switzerland, email:ftf@fsfeurope.org.
+*/
+/*
+ * Bacula File daemon core code for loading and running plugins.
+ *
+ * Kern Sibbald, October 2007
+ */
+#include "bacula.h"
+#include "lib/plugin.h"
+#include "fd-plugins.h"
+
+const char *plugin_type = "-fd.so";
+
+
+/* Forward referenced functions */
+static bpError baculaGetValue(bpContext *ctx, bVariable var, void *value);
+static bpError baculaSetValue(bpContext *ctx, bVariable var, void *value);
+static bpError baculaRegisterEvents(bpContext *ctx, ...);
+static bpError baculaJobMsg(bpContext *ctx, const char *file, int line,
+  int type, time_t mtime, const char *msg);
+static bpError baculaDebugMsg(bpContext *ctx, const char *file, int line,
+  int level, const char *msg);
+
+/* Bacula info */
+static bInfo binfo = {
+   sizeof(bFuncs),
+   PLUGIN_INTERFACE,
+};
+
+/* Bacula entry points */
+static bFuncs bfuncs = {
+   sizeof(bFuncs),
+   PLUGIN_INTERFACE,
+   baculaRegisterEvents,
+   baculaGetValue,
+   baculaSetValue,
+   baculaJobMsg,
+   baculaDebugMsg
+};
+    
+
+void init_fd_plugins(const char *plugin_dir)
+{
+   Plugin *plugin;
+
+   if (!plugin_dir) {
+      return;
+   }
+    
+   plugin_list = New(alist(10, not_owned_by_alist));
+
+   load_plugins((void *)&binfo, (void *)&bfuncs, plugin_dir, plugin_type);
+}
+
+/*
+ * Create a new instance of each plugin for this Job
+ */
+void new_fd_plugins(JCR *jcr)
+{
+   bpContext *ctx;
+   Plugin *plugin;
+   int i = 0;
+
+   int num = plugin_list->size();
+
+   if (num == 0) {
+      return;
+   }
+
+   jcr->plugin_ctx = (bpContext **)malloc(sizeof(bpContext) * num);
+
+   ctx = jcr->plugin_ctx;
+   foreach_alist(plugin, plugin_list) {
+      /* Start a new instance of each plugin */
+      ctx[i].bContext = (void *)jcr;
+      ctx[i].pContext = NULL;
+      plug_func(plugin)->newPlugin(ctx[i++]);
+   }
+}
+
+/*
+ * Free the plugin instances for this Job
+ */
+void free_fd_plugins(JCR *jcr)
+{
+   bpContext *ctx;
+   Plugin *plugin;
+   int i = 0;
+
+   ctx = jcr->plugin_ctx;
+   foreach_alist(plugin, jcr->plugin_list) {
+      /* Free the plugin instance */
+      plug_func(plugin)->freePlugin(ctx[i++]);
+   }
+   free(ctx);
+   jcr->plugin_ctx = NULL;
+}
+
+void term_fd_plugins()
+{
+   unload_plugins();
+}
+
+static bpError baculaGetValue(bpContext *ctx, bVariable var, void *value)
+{
+   printf("bacula: baculaGetValue var=%d\n", var);
+   if (!value) {
+      return 1;
+   }
+   switch (var) {
+   case bVarJobId:
+      *((int *)value) = 100;
+      break;
+   case bVarFDName:
+      *((char **)value) = "FD Name";
+      break;
+   case bVarLevel:
+   case bVarType:
+   case bVarClient:
+   case bVarJobName:
+   case bVarJobStatus:
+   case bVarSinceTime:
+      break;
+   }
+   return 0;
+}
+
+static bpError baculaSetValue(bpContext *ctx, bVariable var, void *value)
+{
+   printf("bacula: baculaSetValue var=%d\n", var);
+   return 0;
+}
+
+static bpError baculaRegisterEvents(bpContext *ctx, ...)
+{
+   va_list args;
+   uint32_t event;
+
+   va_start(args, ctx);
+   while ((event = va_arg(args, uint32_t))) {
+      printf("Plugin wants event=%u\n", event);
+   }
+   va_end(args);
+   return 0;
+}
+
+static bpError baculaJobMsg(bpContext *ctx, const char *file, int line,
+  int type, time_t mtime, const char *msg)
+{
+   printf("Job message: %s:%d type=%d time=%ld msg=%s\n",
+      file, line, type, mtime, msg);
+   return 0;
+}
+
+static bpError baculaDebugMsg(bpContext *ctx, const char *file, int line,
+  int level, const char *msg)
+{
+   printf("Debug message: %s:%d level=%d msg=%s\n",
+      file, line, level, msg);
+   return 0;
+}