/UPGRADE - upgrade-on-the-fly feature. Currently only moves the active

server connections to the new irssi process, but that should be enough to
never quit from IRC again :)


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@2070 dbcabf3a-b0e7-0310-adc4-f8d773084564

src/irc/core/Makefile.am

@@ -25,6 +25,7 @@ libirc_core_a_SOURCES = \
         irc-servers.c \
         irc-servers-reconnect.c \
         irc-servers-setup.c \
+        irc-session.c \
         lag.c \
         massjoin.c \
         modes.c \

src/irc/core/irc-core.c

@@ -36,6 +36,9 @@
 void irc_expandos_init(void);
 void irc_expandos_deinit(void);
 
+void irc_session_init(void);
+void irc_session_deinit(void);
+
 void lag_init(void);
 void lag_deinit(void);
 
@@ -100,6 +103,7 @@ void irc_core_init(void)
 	chat_protocol_register(rec);
         g_free(rec);
 
+        irc_session_init();
 	irc_chatnets_init();
 	irc_servers_init();
 	irc_channels_init();
@@ -130,6 +134,7 @@ void irc_core_deinit(void)
 	irc_irc_deinit();
 	irc_servers_deinit();
 	irc_chatnets_deinit();
+        irc_session_deinit();
 
 	chat_protocol_unregister("IRC");
 }

src/irc/core/irc-servers.c

@@ -249,7 +249,9 @@ static void sig_connected(IRC_SERVER_REC *server)
 		return;
 
 	server->splits = g_hash_table_new((GHashFunc) g_istr_hash, (GCompareFunc) g_istr_equal);
-	server_init(server);
+
+        if (!server->session_reconnect)
+		server_init(server);
 }
 
 static void sig_disconnected(IRC_SERVER_REC *server)

src/irc/core/irc-session.c

@@ -0,0 +1,95 @@
+/*
+ irc-session.c : irssi
+
+    Copyright (C) 2001 Timo Sirainen
+
+    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 2 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, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "module.h"
+#include "signals.h"
+#include "lib-config/iconfig.h"
+
+#include "irc-servers.h"
+#include "irc-channels.h"
+
+static void sig_session_save_server(IRC_SERVER_REC *server, CONFIG_REC *config,
+				    CONFIG_NODE *node)
+{
+	char *chans;
+
+	if (!IS_IRC_SERVER(server))
+		return;
+
+	config_node_set_str(config, node, "real_address", server->real_address);
+	config_node_set_str(config, node, "userhost", server->userhost);
+
+        chans = irc_server_get_channels(server);
+	config_node_set_str(config, node, "channels", chans);
+        g_free(chans);
+}
+
+static void sig_session_restore_server(IRC_SERVER_REC *server,
+				       CONFIG_NODE *node)
+{
+	if (!IS_IRC_SERVER(server))
+		return;
+
+        if (server->real_address == NULL)
+		server->real_address = g_strdup(config_node_get_str(node, "real_address", NULL));
+	server->userhost = g_strdup(config_node_get_str(node, "userhost", NULL));
+
+	g_free_not_null(server->connrec->channels);
+	server->connrec->channels = g_strdup(config_node_get_str(node, "channels", NULL));
+}
+
+static void sig_connected(IRC_SERVER_REC *server)
+{
+	GSList *tmp;
+        char *str;
+
+	if (!IS_IRC_SERVER(server) || !server->session_reconnect)
+		return;
+
+	str = g_strdup_printf("%s :Restoring connection to %s",
+			      server->nick, server->connrec->address);
+	signal_emit("event 001", 3, server, str, server->real_address);
+        g_free(str);
+
+        /* send join events for each channel and ask names list for them */
+	for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
+		CHANNEL_REC *rec = tmp->data;
+
+		signal_emit("event join", 4, server, rec->name,
+			    server->nick, server->userhost);
+                irc_send_cmdv(server, "NAMES %s", rec->name);
+	}
+}
+
+void irc_session_init(void)
+{
+	signal_add("session save server", (SIGNAL_FUNC) sig_session_save_server);
+	signal_add("session restore server", (SIGNAL_FUNC) sig_session_restore_server);
+
+	signal_add("server connected", (SIGNAL_FUNC) sig_connected);
+}
+
+void irc_session_deinit(void)
+{
+	signal_remove("session save server", (SIGNAL_FUNC) sig_session_save_server);
+	signal_remove("session restore server", (SIGNAL_FUNC) sig_session_restore_server);
+
+	signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
+}