whops, forgot to add

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@2996 dbcabf3a-b0e7-0310-adc4-f8d773084564

src/irc/dcc/dcc-queue.c

@@ -0,0 +1,224 @@
+/*
+ dcc-queue.c : irssi
+
+    Copyright (C) 1999-2001 Timo Sirainen
+
+    DCC queue by Heikki Orsila <heikki.orsila@tut.fi> (no copyrights claimed)
+
+    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 "commands.h"
+#include "network.h"
+#include "net-sendbuffer.h"
+#include "misc.h"
+#include "settings.h"
+#include "irc-servers.h"
+
+#include "dcc-queue.h"
+
+static GPtrArray *queuelist;
+
+/* dcc_queue_old finds an old queue (if it exists) */
+int dcc_queue_old(const char *nick, const char *servertag)
+{
+	int i;
+
+	for (i = 0; i < queuelist->len; i++) {
+		GSList *qlist = g_ptr_array_index(queuelist, i);
+
+		if (qlist == NULL)
+			continue;
+
+		/* skip stub */
+		for (qlist = qlist->next; qlist != NULL; qlist = qlist->next) {
+			DCC_QUEUE_REC *rec = qlist->data;
+
+			if (*nick != '\0' && g_strcasecmp(nick, rec->nick) != 0)
+				continue;
+
+			if (*servertag != '\0' &&
+			    g_strcasecmp(servertag, rec->servertag) != 0)
+				continue;
+
+			/* found a queue matching nick/server! */
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+
+int dcc_queue_new(void)
+{
+	int i;
+
+	for (i = 0; i < queuelist->len; i++) {
+		if (g_ptr_array_index(queuelist, i) == NULL)
+			break;
+	}
+
+	if (i == queuelist->len)
+		g_ptr_array_set_size(queuelist, (i + 1) * 2);
+
+	/* create stub */
+        g_ptr_array_index(queuelist, i) = g_slist_append(NULL, NULL);
+	return i;
+}
+
+void dcc_queue_free(int queue)
+{
+	GSList **qlist;
+
+	g_assert(queue >= 0 && queue < queuelist->len);
+
+	qlist = (GSList **) &g_ptr_array_index(queuelist, queue);
+	g_assert(*qlist != NULL && (*qlist)->next == NULL);
+
+	g_slist_free(*qlist);
+	*qlist = NULL;
+}
+
+static void dcc_queue_free_rec(DCC_QUEUE_REC *rec)
+{
+	g_free(rec->servertag);
+	g_free(rec->nick);
+	g_free(rec->file);
+	g_free(rec);
+}
+
+/* add an element to queue. element will have nick/servertag/fname/chat as data.
+   mode specifies how the element should be added (append or prepend)
+*/
+
+void dcc_queue_add(int queue, int mode, const char *nick, const char *fname,
+		   const char *servertag, CHAT_DCC_REC *chat)
+{
+	DCC_QUEUE_REC *rec;
+	GSList **qlist;
+
+	g_assert(queue >= 0 && queue < queuelist->len);
+
+	rec = g_new0(DCC_QUEUE_REC, 1);
+	rec->chat = chat;
+	rec->servertag = g_strdup(servertag);
+	rec->nick = g_strdup(nick);
+	rec->file = g_strdup(fname);
+
+	qlist = (GSList **) &g_ptr_array_index(queuelist, queue);
+	if (mode == DCC_QUEUE_PREPEND)
+		*qlist = g_slist_insert(*qlist, rec, 1);
+	else
+		*qlist = g_slist_append(*qlist, rec);
+}
+
+/* removes the head or the tail from the queue, but not the stub. returns the
+   number of elements removed from the queue (0 or 1). if remove_head is
+   non-zero, the head is removed. otherwise the tail is removed */
+static int dcc_queue_remove_entry(int queue, int remove_head)
+{
+	DCC_QUEUE_REC *rec;
+	GSList **qlist;
+
+	g_assert(queue >= 0 && queue < queuelist->len);
+
+	qlist = (GSList **) &g_ptr_array_index(queuelist, queue);
+	if (*qlist == NULL || (*qlist)->next == NULL)
+		return 0;
+
+	rec = remove_head ? (*qlist)->next->data : g_slist_last(*qlist)->data;
+	*qlist = g_slist_remove(*qlist, rec);
+
+	dcc_queue_free_rec(rec);
+	return 1;
+}
+
+/* removes the head, but not stub from the queue. returns number of elements
+   removed from the queue (0 or 1) */
+int dcc_queue_remove_head(int queue)
+{
+	return dcc_queue_remove_entry(queue, 1);
+}
+
+/* removes the tail, but not stub from the queue. returns number of elements
+   removed from the queue (0 or 1) */
+int dcc_queue_remove_tail(int queue)
+{
+	return dcc_queue_remove_entry(queue, 0);
+}
+
+DCC_QUEUE_REC *dcc_queue_get_next(int queue)
+{
+	GSList *qlist;
+
+	g_assert(queue >= 0 && queue < queuelist->len);
+
+	qlist = g_ptr_array_index(queuelist, queue);
+	return qlist == NULL || qlist->next == NULL ? NULL : qlist->next->data;
+}
+
+GSList *dcc_queue_get_queue(int queue)
+{
+	GSList *qlist;
+
+	g_assert(queue >= 0 && queue < queuelist->len);
+
+	qlist = g_ptr_array_index(queuelist, queue);
+	return qlist == NULL ? NULL : qlist->next;
+}
+
+static void sig_dcc_destroyed(CHAT_DCC_REC *dcc)
+{
+	int i;
+
+	if (!IS_DCC_CHAT(dcc))
+		return;
+
+	for (i = 0; i < queuelist->len; i++) {
+		GSList *qlist = g_ptr_array_index(queuelist, i);
+
+		if (qlist == NULL)
+			continue;
+
+		for (qlist = qlist->next; qlist != NULL; qlist = qlist->next) {
+			DCC_QUEUE_REC *rec = qlist->data;
+
+			if (rec->chat == dcc)
+				rec->chat = NULL;
+	       }
+	}
+}
+
+void dcc_queue_init(void)
+{
+	queuelist = g_ptr_array_new();
+
+	signal_add("dcc destroyed", (SIGNAL_FUNC) sig_dcc_destroyed);
+}
+
+void dcc_queue_deinit(void)
+{
+	int i;
+
+	for (i = 0; i < queuelist->len; i++)
+		while (dcc_queue_remove_head(i) != 0) ;
+
+	g_ptr_array_free(queuelist, TRUE);
+
+	signal_remove("dcc destroyed", (SIGNAL_FUNC) sig_dcc_destroyed);
+}

src/irc/dcc/dcc-queue.h

@@ -0,0 +1,44 @@
+#ifndef __DCC_QUEUE_H_
+#define __DCC_QUEUE_H_
+
+#include "dcc-chat.h"
+
+enum {
+	DCC_QUEUE_NORMAL,
+	DCC_QUEUE_PREPEND,
+	DCC_QUEUE_APPEND
+};
+
+typedef struct {
+	CHAT_DCC_REC *chat;
+	char *servertag;
+	char *nick;
+	char *file;
+} DCC_QUEUE_REC;
+
+/* create a new queue. returns it's designation number (int) */
+int dcc_queue_new(void);
+
+void dcc_queue_free(int queue);
+
+/* finds an old queue and returns it's designation number (int). if not
+   found return -1 */
+int dcc_queue_old(const char *nick, const char *servertag);
+
+/* adds nick/fname/servertag triplet into queue */
+void dcc_queue_add(int queue, int mode, const char *nick, const char *fname,
+		   const char *servertag, CHAT_DCC_REC *chat);
+
+int dcc_queue_remove_head(int queue);
+
+int dcc_queue_remove_tail(int queue);
+
+/* return the first entry from queue */
+DCC_QUEUE_REC *dcc_queue_get_next(int queue);
+
+GSList *dcc_queue_get_queue(int queue);
+
+void dcc_queue_init(void);
+void dcc_queue_deinit(void);
+
+#endif