updates.

[silc.git] / apps / silcd / command.h

diff --git a/apps/silcd/command.h b/apps/silcd/command.h
index de0b464b78d02f3fd28d93f0ee97ee26964ae64e..9180768a213efafdd7a0a8b635a7c2c2f1897aea 100644 (file)
--- a/apps/silcd/command.h
+++ b/apps/silcd/command.h
@@ -21,8 +21,6 @@
 #ifndef COMMAND_H
 #define COMMAND_H
 
-#include "command_reply.h"
-
 /* 
    Structure holding one command and pointer to its function. 
 
@@ -57,19 +55,30 @@ typedef struct {
   SilcArgumentPayload args;
   SilcPacketContext *packet;
   int pending;                 /* Command is being re-processed when TRUE */
+  int users;                   /* Reference counter */
 } *SilcServerCommandContext;
 
+/* Pending Command callback destructor. This is called after calling the
+   pending callback or if error occurs while processing the pending command.
+   If error occurs then the callback won't be called at all, and only this
+   destructor is called. The `context' is the context given for the function
+   silc_server_command_pending. */
+typedef void (*SilcServerPendingDestructor)(void *context);
+
 /* Structure holding pending commands. If command is pending it will be
    executed after command reply has been received and executed. */
 typedef struct SilcServerCommandPendingStruct {
   SilcServer server;
   SilcCommand reply_cmd;
   SilcCommandCb callback;
+  SilcServerPendingDestructor destructor;
   void *context;
   unsigned short ident;
   struct SilcServerCommandPendingStruct *next;
 } SilcServerCommandPending;
 
+#include "command_reply.h"
+
 /* Macros */
 
 /* Macro used for command declaration in command list structure */
@@ -81,21 +90,32 @@ typedef struct SilcServerCommandPendingStruct {
 void silc_server_command_##func(void *context)
 
 /* Executed pending command */
-#define SILC_SERVER_COMMAND_EXEC_PENDING(ctx, cmd)                     \
+#define SILC_SERVER_PENDING_EXEC(ctx, cmd)                             \
 do {                                                                   \
-  if (ctx->callback) {                                                 \
+  if (ctx->callback)                                                   \
     (*ctx->callback)(ctx->context);                                    \
-    silc_server_command_pending_del(ctx->server, cmd, ctx->ident);     \
-  }                                                                    \
+} while(0)
+
+/* Execute destructor for pending command */
+#define SILC_SERVER_PENDING_DESTRUCTOR(ctx, cmd)                       \
+do {                                                                   \
+  silc_server_command_pending_del(ctx->server, cmd, ctx->ident);       \
+  if (ctx->destructor)                                                 \
+    (*ctx->destructor)(ctx->context);                                  \
 } while(0)
 
 /* Prototypes */
 void silc_server_command_process(SilcServer server,
                                 SilcSocketConnection sock,
                                 SilcPacketContext *packet);
+SilcServerCommandContext silc_server_command_alloc();
+void silc_server_command_free(SilcServerCommandContext ctx);
+SilcServerCommandContext 
+silc_server_command_dup(SilcServerCommandContext ctx);
 void silc_server_command_pending(SilcServer server,
                                 SilcCommand reply_cmd,
                                 unsigned short ident,
+                                SilcServerPendingDestructor destructor,
                                 SilcCommandCb callback,
                                 void *context);
 void silc_server_command_pending_del(SilcServer server,