Added support for handling notifys always in same order as
authorPekka Riikonen <priikone@silcnet.org>
Sat, 22 Jun 2002 20:53:15 +0000 (20:53 +0000)
committerPekka Riikonen <priikone@silcnet.org>
Sat, 22 Jun 2002 20:53:15 +0000 (20:53 +0000)
received from server, regardless if some notify causes some
entry to be resolved.  Subsequent notifys wait for completion
of the resolving.

lib/doc/building.html
lib/silcclient/client.c
lib/silcclient/client_notify.c
lib/silcclient/command_reply.c
lib/silcclient/idlist.c
lib/silcclient/idlist.h

index c0a7f64d4ca27f57f192584d7d9ebb30d1cbf6dd..52ba44b75e0bbe6307aeffe97aae7f52d692a33f 100644 (file)
@@ -68,6 +68,18 @@ library instead of using the MPI library included in the package, you can
 give the --with-gmp=PATH option to the `configure'.  The PATH is the path
 to the GMP library in your system.
 
+<br />&nbsp;<br />
+<tt>--without-irssi</tt><br />
+<tt>--without-silcd</tt>
+
+<br />&nbsp;<br />
+By default the SILC Toolkit will also build the Irssi SILC client and
+the SILC Server which use the SILC Toolkit as well.  If you do not
+wish to compile these applications you can give --without-irssi to
+not compile Irssi SILC client (irssi/ directory) and/or --without-silcd
+to not compile SILC Server (silcd/ directory).  Other applications
+the Toolkit does not build automatically.
+
 <br />&nbsp;<br />
 <tt>--disable-asm</tt>
 
index b459ee8947344bafefc21fdbc28e10536eefd6d3..f44aefbdd5ce2c9717683b03b03ec8e8d8947246 100644 (file)
@@ -239,9 +239,6 @@ void silc_client_del_connection(SilcClient client, SilcClientConnection conn)
 {
   int i;
 
-  SILC_LOG_DEBUG(("Deleting connection %s%d", conn->remote_host,
-                 conn->remote_port));
-
   for (i = 0; i < client->internal->conns_count; i++)
     if (client->internal->conns[i] == conn) {
 
index 49897691f3845b898740abb70b6eb27cd2217fd1..a137ce47eef996e515066f43a779dd395cdc06d5 100644 (file)
@@ -82,6 +82,68 @@ static void silc_client_notify_by_server_pending(void *context, void *context2)
   silc_free(res);
 }
 
+/* Resets the channel entry's resolve_cmd_ident after whatever-thing
+   was resolved is completed. */
+
+static void silc_client_channel_cond(void *context, void *context2)
+{
+  SilcClientNotifyResolve res = (SilcClientNotifyResolve)context;
+  SilcClient client = res->context;
+  SilcClientConnection conn = res->sock->user_data;
+  SilcChannelID *channel_id = res->packet;
+  SilcChannelEntry channel;
+  channel = silc_client_get_channel_by_id(client, conn, channel_id);
+  if (channel)
+    channel->resolve_cmd_ident = 0;
+  silc_free(channel_id);
+  silc_socket_free(res->sock);
+  silc_free(res);
+}
+
+/* Function that starts waiting for the `cmd_ident' to arrive and
+   marks the channel info being resolved.  */
+
+static void silc_client_channel_set_wait(SilcClient client,
+                                        SilcClientConnection conn,
+                                        SilcChannelEntry channel,
+                                        SilcUInt16 cmd_ident)
+{
+  SilcClientNotifyResolve res;
+
+  if (!channel->resolve_cmd_ident) {
+    res = silc_calloc(1, sizeof(*res));
+    res->context = client;
+    res->sock = silc_socket_dup(conn->sock);
+    res->packet = silc_id_dup(channel->id, SILC_ID_CHANNEL);
+    silc_client_command_pending(conn, SILC_COMMAND_NONE, cmd_ident,
+                               silc_client_channel_cond, res);
+    channel->resolve_cmd_ident = cmd_ident;
+  }
+}
+
+/* Attaches to the channel's resolving cmd ident and calls the 
+   notify handling with `packet' after it's received. */
+
+static void silc_client_channel_wait(SilcClient client,
+                                    SilcClientConnection conn,
+                                    SilcChannelEntry channel,
+                                    SilcPacketContext *packet)
+{
+  SilcClientNotifyResolve res;
+
+  if (!channel->resolve_cmd_ident)
+    return;
+
+  res = silc_calloc(1, sizeof(*res));
+  res->packet = silc_packet_context_dup(packet);
+  res->context = client;
+  res->sock = silc_socket_dup(conn->sock);
+
+  silc_client_command_pending(conn, SILC_COMMAND_NONE,
+                             channel->resolve_cmd_ident,
+                             silc_client_notify_by_server_pending, res);
+}
+
 /* Resolve client, channel or server information. */
 
 static void silc_client_notify_by_server_resolve(SilcClient client,
@@ -386,6 +448,15 @@ void silc_client_notify_by_server(SilcClient client,
 
     SILC_LOG_DEBUG(("Notify: TOPIC_SET"));
 
+    /* Get channel entry */
+    channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
+                               SILC_ID_CHANNEL);
+    if (!channel_id)
+      goto out;
+    channel = silc_client_get_channel_by_id(client, conn, channel_id);
+    if (!channel)
+      break;
+
     /* Get ID */
     tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
     if (!tmp)
@@ -400,6 +471,8 @@ void silc_client_notify_by_server(SilcClient client,
       client_id = id;
       client_entry = silc_client_get_client_by_id(client, conn, client_id);
       if (!client_entry) {
+       silc_client_channel_set_wait(client, conn, channel,
+                                    conn->cmd_ident + 1);
        silc_client_notify_by_server_resolve(client, conn, packet, 
                                             SILC_ID_CLIENT, client_id);
        goto out;
@@ -409,8 +482,28 @@ void silc_client_notify_by_server(SilcClient client,
       server_id = id;
       server = silc_client_get_server_by_id(client, conn, server_id);
       if (!server) {
+       silc_client_channel_set_wait(client, conn, channel,
+                                    conn->cmd_ident + 1);
        silc_client_notify_by_server_resolve(client, conn, packet, 
                                             SILC_ID_SERVER, server_id);
+       server = silc_client_add_server(client, conn, NULL, NULL, server_id);
+       if (!server)
+         goto out;
+
+       server->resolve_cmd_ident = conn->cmd_ident;
+       server_id = NULL;
+       goto out;
+      }
+
+      /* If entry being resoled, wait for it before processing this notify */
+      if (server->resolve_cmd_ident) {
+       SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+       res->packet = silc_packet_context_dup(packet);
+       res->context = client;
+       res->sock = silc_socket_dup(conn->sock);
+       silc_client_command_pending(conn, SILC_COMMAND_NONE, 
+                                   server->resolve_cmd_ident,
+                                   silc_client_notify_by_server_pending, res);
        goto out;
       }
       
@@ -418,18 +511,17 @@ void silc_client_notify_by_server(SilcClient client,
       client_entry = (SilcClientEntry)server;
     } else {
       /* Find Channel entry */
+      silc_free(channel_id);
       channel_id = id;
-      channel = silc_client_get_channel_by_id(client, conn, channel_id);
-      if (!channel) {
+      client_entry = (SilcClientEntry)
+       silc_client_get_channel_by_id(client, conn, channel_id);
+      if (!client_entry) {
+       silc_client_channel_set_wait(client, conn, channel,
+                                    conn->cmd_ident + 1);
        silc_client_notify_by_server_resolve(client, conn, packet, 
                                             SILC_ID_CHANNEL, channel_id);
        goto out;
       }
-      
-      /* Save the pointer to the client_entry pointer */
-      client_entry = (SilcClientEntry)channel;
-      silc_free(channel_id);
-      channel_id = NULL;
     }
 
     /* Get topic */
@@ -437,14 +529,11 @@ void silc_client_notify_by_server(SilcClient client,
     if (!tmp)
       goto out;
 
-    /* Get channel entry */
-    channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
-                               SILC_ID_CHANNEL);
-    if (!channel_id)
+    /* If information is being resolved for this channel, wait for it */
+    if (channel->resolve_cmd_ident) {
+      silc_client_channel_wait(client, conn, channel, packet);
       goto out;
-    channel = silc_client_get_channel_by_id(client, conn, channel_id);
-    if (!channel)
-      break;
+    }
 
     /* Notify application. The channel entry is sent last as this notify
        is for channel but application don't know it from the arguments
@@ -593,6 +682,15 @@ void silc_client_notify_by_server(SilcClient client,
 
     SILC_LOG_DEBUG(("Notify: CMODE_CHANGE"));
 
+    /* Get channel entry */
+    channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
+                               SILC_ID_CHANNEL);
+    if (!channel_id)
+      goto out;
+    channel = silc_client_get_channel_by_id(client, conn, channel_id);
+    if (!channel)
+      goto out;
+
     /* Get ID */
     tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
     if (!tmp)
@@ -607,6 +705,8 @@ void silc_client_notify_by_server(SilcClient client,
       client_id = id;
       client_entry = silc_client_get_client_by_id(client, conn, client_id);
       if (!client_entry) {
+       silc_client_channel_set_wait(client, conn, channel,
+                                    conn->cmd_ident + 1);
        silc_client_notify_by_server_resolve(client, conn, packet, 
                                             SILC_ID_CLIENT, client_id);
        goto out;
@@ -616,27 +716,46 @@ void silc_client_notify_by_server(SilcClient client,
       server_id = id;
       server = silc_client_get_server_by_id(client, conn, server_id);
       if (!server) {
+       silc_client_channel_set_wait(client, conn, channel,
+                                    conn->cmd_ident + 1);
        silc_client_notify_by_server_resolve(client, conn, packet, 
                                             SILC_ID_SERVER, server_id);
+       server = silc_client_add_server(client, conn, NULL, NULL, server_id);
+       if (!server)
+         goto out;
+
+       server->resolve_cmd_ident = conn->cmd_ident;
+       server_id = NULL;
        goto out;
       }
 
+      /* If entry being resoled, wait for it before processing this notify */
+      if (server->resolve_cmd_ident) {
+       SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+       res->packet = silc_packet_context_dup(packet);
+       res->context = client;
+       res->sock = silc_socket_dup(conn->sock);
+       silc_client_command_pending(conn, SILC_COMMAND_NONE, 
+                                   server->resolve_cmd_ident,
+                                   silc_client_notify_by_server_pending, res);
+       goto out;
+      }
+      
       /* Save the pointer to the client_entry pointer */
       client_entry = (SilcClientEntry)server;
     } else {
       /* Find Channel entry */
+      silc_free(channel_id);
       channel_id = id;
-      channel = silc_client_get_channel_by_id(client, conn, channel_id);
-      if (!channel) {
+      client_entry = (SilcClientEntry)
+       silc_client_get_channel_by_id(client, conn, channel_id);
+      if (!client_entry) {
+       silc_client_channel_set_wait(client, conn, channel,
+                                    conn->cmd_ident + 1);
        silc_client_notify_by_server_resolve(client, conn, packet, 
                                             SILC_ID_CHANNEL, channel_id);
        goto out;
       }
-      
-      /* Save the pointer to the client_entry pointer */
-      client_entry = (SilcClientEntry)channel;
-      silc_free(channel_id);
-      channel_id = NULL;
     }
 
     /* Get the mode */
@@ -646,14 +765,11 @@ void silc_client_notify_by_server(SilcClient client,
 
     SILC_GET32_MSB(mode, tmp);
 
-    /* Get channel entry */
-    channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
-                               SILC_ID_CHANNEL);
-    if (!channel_id)
-      goto out;
-    channel = silc_client_get_channel_by_id(client, conn, channel_id);
-    if (!channel)
+    /* If information is being resolved for this channel, wait for it */
+    if (channel->resolve_cmd_ident) {
+      silc_client_channel_wait(client, conn, channel, packet);
       goto out;
+    }
 
     /* Save the new mode */
     channel->mode = mode;
@@ -690,6 +806,15 @@ void silc_client_notify_by_server(SilcClient client,
 
     SILC_LOG_DEBUG(("Notify: CUMODE_CHANGE"));
 
+    /* Get channel entry */
+    channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
+                               SILC_ID_CHANNEL);
+    if (!channel_id)
+      goto out;
+    channel = silc_client_get_channel_by_id(client, conn, channel_id);
+    if (!channel)
+      break;
+
     /* Get ID */
     tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
     if (!tmp)
@@ -704,6 +829,8 @@ void silc_client_notify_by_server(SilcClient client,
       client_id = id;
       client_entry = silc_client_get_client_by_id(client, conn, client_id);
       if (!client_entry) {
+       silc_client_channel_set_wait(client, conn, channel,
+                                    conn->cmd_ident + 1);
        silc_client_notify_by_server_resolve(client, conn, packet, 
                                             SILC_ID_CLIENT, client_id);
        goto out;
@@ -713,8 +840,28 @@ void silc_client_notify_by_server(SilcClient client,
       server_id = id;
       server = silc_client_get_server_by_id(client, conn, server_id);
       if (!server) {
+       silc_client_channel_set_wait(client, conn, channel,
+                                    conn->cmd_ident + 1);
        silc_client_notify_by_server_resolve(client, conn, packet, 
                                             SILC_ID_SERVER, server_id);
+       server = silc_client_add_server(client, conn, NULL, NULL, server_id);
+       if (!server)
+         goto out;
+
+       server->resolve_cmd_ident = conn->cmd_ident;
+       server_id = NULL;
+       goto out;
+      }
+
+      /* If entry being resoled, wait for it before processing this notify */
+      if (server->resolve_cmd_ident) {
+       SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+       res->packet = silc_packet_context_dup(packet);
+       res->context = client;
+       res->sock = silc_socket_dup(conn->sock);
+       silc_client_command_pending(conn, SILC_COMMAND_NONE, 
+                                   server->resolve_cmd_ident,
+                                   silc_client_notify_by_server_pending, res);
        goto out;
       }
 
@@ -722,18 +869,17 @@ void silc_client_notify_by_server(SilcClient client,
       client_entry = (SilcClientEntry)server;
     } else {
       /* Find Channel entry */
+      silc_free(channel_id);
       channel_id = id;
-      channel = silc_client_get_channel_by_id(client, conn, channel_id);
-      if (!channel) {
+      client_entry = (SilcClientEntry)
+       silc_client_get_channel_by_id(client, conn, channel_id);
+      if (!client_entry) {
+       silc_client_channel_set_wait(client, conn, channel,
+                                    conn->cmd_ident + 1);
        silc_client_notify_by_server_resolve(client, conn, packet, 
                                             SILC_ID_CHANNEL, channel_id);
        goto out;
       }
-      
-      /* Save the pointer to the client_entry pointer */
-      client_entry = (SilcClientEntry)channel;
-      silc_free(channel_id);
-      channel_id = NULL;
     }
 
     /* Get the mode */
@@ -743,6 +889,12 @@ void silc_client_notify_by_server(SilcClient client,
 
     SILC_GET32_MSB(mode, tmp);
 
+    /* If information is being resolved for this channel, wait for it */
+    if (channel->resolve_cmd_ident) {
+      silc_client_channel_wait(client, conn, channel, packet);
+      goto out;
+    }
+
     /* Get target Client ID */
     tmp = silc_argument_get_arg_type(args, 3, &tmp_len);
     if (!tmp)
@@ -762,15 +914,6 @@ void silc_client_notify_by_server(SilcClient client,
       goto out;
     }
 
-    /* Get channel entry */
-    channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
-                               SILC_ID_CHANNEL);
-    if (!channel_id)
-      goto out;
-    channel = silc_client_get_channel_by_id(client, conn, channel_id);
-    if (!channel)
-      break;
-
     /* Save the mode */
     chu = silc_client_on_channel(channel, client_entry2);
     if (chu)
@@ -978,6 +1121,25 @@ void silc_client_notify_by_server(SilcClient client,
          if (!server) {
            silc_client_notify_by_server_resolve(client, conn, packet, 
                                                 SILC_ID_SERVER, server_id);
+           server = silc_client_add_server(client, conn, NULL, NULL,
+                                           server_id);
+           if (!server)
+             goto out;
+
+           server->resolve_cmd_ident = conn->cmd_ident;
+           server_id = NULL;
+           goto out;
+         }
+
+         if (server->resolve_cmd_ident) {
+           SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+           res->packet = silc_packet_context_dup(packet);
+           res->context = client;
+           res->sock = silc_socket_dup(conn->sock);
+           silc_client_command_pending(conn, SILC_COMMAND_NONE, 
+                                       server->resolve_cmd_ident,
+                                       silc_client_notify_by_server_pending,
+                                       res);
            goto out;
          }
       
index 1e2a21fffda97db884d94702c578f87cf85725e3..46832f7e74dd8ba0fdddbe2239597ca9ab040662 100644 (file)
@@ -432,8 +432,12 @@ silc_client_command_reply_identify_save(SilcClientCommandReplyContext cmd,
          COMMAND_REPLY_ERROR;
        return;
       }
+    } else {
+      silc_client_update_server(client, conn, server_entry, name, info);
     }
 
+    server_entry->resolve_cmd_ident = 0;
+
     /* Notify application */
     if (notify)
       COMMAND_REPLY((ARGS, server_entry, name, info));
index 75bbc521046c7f51775af32021f6ec1065b9c17b..f20efc260bbb325f945cc4fb8bdd8706e00ac4ed 100644 (file)
@@ -976,6 +976,8 @@ SilcServerEntry silc_client_add_server(SilcClient client,
 {
   SilcServerEntry server_entry;
 
+  SILC_LOG_DEBUG(("Start"));
+
   server_entry = silc_calloc(1, sizeof(*server_entry));
   if (!server_entry || !server_id)
     return NULL;
@@ -1012,6 +1014,34 @@ bool silc_client_del_server(SilcClient client, SilcClientConnection conn,
   return ret;
 }
 
+/* Updates the `server_entry' with the new information sent as argument. */
+
+void silc_client_update_server(SilcClient client,
+                              SilcClientConnection conn,
+                              SilcServerEntry server_entry,
+                              const char *server_name,
+                              const char *server_info)
+{
+  SILC_LOG_DEBUG(("Start"));
+
+  if (server_name && (!server_entry->server_name ||
+                     strcmp(server_entry->server_name, server_name))) {
+
+    silc_idcache_del_by_context(conn->server_cache, server_entry);
+    silc_free(server_entry->server_name);
+    server_entry->server_name = strdup(server_name);
+    silc_idcache_add(conn->server_cache, server_entry->server_name,
+                    server_entry->server_id,
+                    server_entry, 0, NULL);
+  }
+
+  if (server_info && (!server_entry->server_info ||
+                     strcmp(server_entry->server_info, server_info))) {
+    silc_free(server_entry->server_info);
+    server_entry->server_info = strdup(server_info);
+  }
+}
+
 /* Formats the nickname of the client specified by the `client_entry'.
    If the format is specified by the application this will format the
    nickname and replace the old nickname in the client entry. If the
index 3e7eb25306a5a51f55afe9965445ab69c3d46e98..7d9a89ec43a6245976034af7e47d60debb064d99 100644 (file)
@@ -24,7 +24,7 @@
 typedef enum {
   SILC_CLIENT_STATUS_NONE       = 0x0000,
   SILC_CLIENT_STATUS_RESOLVING  = 0x0001,
-} SilcClientStatus;
+} SilcEntryStatus;
 
 /* Client entry context. When client receives information about new client
    (it receives its ID, for example, by IDENTIFY request) we create new
@@ -43,7 +43,7 @@ struct SilcClientEntryStruct {
   SilcCipher send_key;         /* Private message key for sending */
   SilcCipher receive_key;      /* Private message key for receiving */
   SilcClientKeyAgreement ke;   /* Current key agreement context or NULL */
-  SilcClientStatus status;     /* Status mask */
+  SilcEntryStatus status;      /* Status mask */
   SilcHashTable channels;      /* All channels client has joined */
   unsigned char *key;          /* Set only if appliation provided the
                                   key material. NULL if the library 
@@ -67,6 +67,7 @@ struct SilcChannelEntryStruct {
   char *channel_name;
   SilcChannelID *id;
   SilcUInt32 mode;
+  SilcUInt16 resolve_cmd_ident;
 
   /* All clients that has joined this channel */
   SilcHashTable user_list;
@@ -74,7 +75,7 @@ struct SilcChannelEntryStruct {
   /* Channel keys */
   SilcCipher channel_key;                    /* The channel key */
   unsigned char *key;                       /* Raw key data */
-  SilcUInt32 key_len;
+  SilcUInt32 key_len;                       /* Raw key data length */
   unsigned char iv[SILC_CIPHER_MAX_IV_SIZE]; /* Current IV */
   SilcHmac hmac;                            /* Current HMAC */
   SilcDList private_keys;                   /* List of private keys or NULL */
@@ -95,6 +96,7 @@ struct SilcServerEntryStruct {
   char *server_name;
   char *server_info;
   SilcServerID *server_id;
+  SilcUInt16 resolve_cmd_ident;
 };
 
 /* Prototypes. These are used only by the library. Application should not
@@ -129,6 +131,11 @@ SilcServerEntry silc_client_add_server(SilcClient client,
                                       const char *server_name,
                                       const char *server_info,
                                       SilcServerID *server_id);
+void silc_client_update_server(SilcClient client,
+                              SilcClientConnection conn,
+                              SilcServerEntry server_entry,
+                              const char *server_name,
+                              const char *server_info);
 bool silc_client_replace_channel_id(SilcClient client,
                                    SilcClientConnection conn,
                                    SilcChannelEntry channel,