updates. New data types.
[silc.git] / apps / silcd / command.h
index 1ced0891082df4ea576fa14e50edf7a0a3154f43..62527f0f0c1e7e52029bf19faecff617c375bacb 100644 (file)
@@ -4,7 +4,7 @@
 
   Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
 
-  Copyright (C) 1997 - 2000 Pekka Riikonen
+  Copyright (C) 1997 - 2001 Pekka Riikonen
 
   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
@@ -54,24 +54,30 @@ typedef struct {
   SilcCommandPayload payload;
   SilcArgumentPayload args;
   SilcPacketContext *packet;
-  int pending;
+  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. 
-   Pending commands are used in cases where the original command request
-   had to be forwarded to router. After router replies the pending
-   command is re-executed. */
+   executed after command reply has been received and executed. */
 typedef struct SilcServerCommandPendingStruct {
+  SilcServer server;
   SilcCommand reply_cmd;
-  void *context;
   SilcCommandCb callback;
-
+  SilcServerPendingDestructor destructor;
+  void *context;
+  uint16 ident;
   struct SilcServerCommandPendingStruct *next;
 } SilcServerCommandPending;
 
-/* List of pending commands */
-extern SilcServerCommandPending *silc_command_pending;
+#include "command_reply.h"
 
 /* Macros */
 
@@ -83,41 +89,42 @@ extern SilcServerCommandPending *silc_command_pending;
 #define SILC_SERVER_CMD_FUNC(func) \
 void silc_server_command_##func(void *context)
 
-/* Checks for pending commands */
-#define SILC_SERVER_COMMAND_CHECK_PENDING(ctx)         \
-do {                                                   \
-  if (silc_command_pending) {                          \
-    SilcServerCommandPending *r;                       \
-    SilcCommand cmd;                                   \
-                                                       \
-    cmd = silc_command_get(payload);                   \
-    for (r = silc_command_pending; r; r = r->next) {   \
-      if (r->reply_cmd == cmd) {                       \
-       ctx->context = r->context;                      \
-       ctx->callback = r->callback;                    \
-       break;                                          \
-      }                                                        \
-    }                                                  \
-  }                                                    \
+/* Executed pending command */
+#define SILC_SERVER_PENDING_EXEC(ctx, cmd)                             \
+do {                                                                   \
+  if (ctx->callback)                                                   \
+    (*ctx->callback)(ctx->context);                                    \
 } while(0)
 
-/* Executed pending command */
-#define SILC_SERVER_COMMAND_EXEC_PENDING(ctx, cmd)     \
-do {                                                   \
-  if (ctx->callback) {                                 \
-    (*ctx->callback)(ctx->context);                    \
-    silc_server_command_pending_del(cmd);              \
-  }                                                    \
+/* 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);
-void silc_server_command_pending(SilcCommand reply_cmd,
+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,
+                                uint16 ident,
+                                SilcServerPendingDestructor destructor,
                                 SilcCommandCb callback,
                                 void *context);
-void silc_server_command_pending_del(SilcCommand reply_cmd);
+void silc_server_command_pending_del(SilcServer server,
+                                    SilcCommand reply_cmd,
+                                    uint16 ident);
+int silc_server_command_pending_check(SilcServer server,
+                                     SilcServerCommandReplyContext ctx,
+                                     SilcCommand command, 
+                                     uint16 ident);
 SILC_SERVER_CMD_FUNC(whois);
 SILC_SERVER_CMD_FUNC(whowas);
 SILC_SERVER_CMD_FUNC(identify);
@@ -141,11 +148,11 @@ SILC_SERVER_CMD_FUNC(cmode);
 SILC_SERVER_CMD_FUNC(cumode);
 SILC_SERVER_CMD_FUNC(kick);
 SILC_SERVER_CMD_FUNC(ignore);
-SILC_SERVER_CMD_FUNC(restart);
+SILC_SERVER_CMD_FUNC(ban);
 SILC_SERVER_CMD_FUNC(close);
-SILC_SERVER_CMD_FUNC(die);
+SILC_SERVER_CMD_FUNC(shutdown);
 SILC_SERVER_CMD_FUNC(silcoper);
 SILC_SERVER_CMD_FUNC(leave);
-SILC_SERVER_CMD_FUNC(names);
+SILC_SERVER_CMD_FUNC(users);
 
 #endif