Signed-off-by: Thomas Schoebel-Theuer <t...@schoebel-theuer.de>
---
drivers/staging/mars/mars_light/light_net.c | 109 ++++++++++++++++++++++++++++
1 file changed, 109 insertions(+)
create mode 100644 drivers/staging/mars/mars_light/light_net.c
diff --git a/drivers/staging/mars/mars_light/light_net.c
b/drivers/staging/mars/mars_light/light_net.c
new file mode 100644
index 0000000..9890edd
--- /dev/null
+++ b/drivers/staging/mars/mars_light/light_net.c
@@ -0,0 +1,109 @@
+/*
+ * MARS Long Distance Replication Software
+ *
+ * Copyright (C) 2010-2014 Thomas Schoebel-Theuer
+ * Copyright (C) 2011-2014 1&1 Internet AG
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+
+#include <linux/mars_light/light_strategy.h>
+#include <linux/xio/xio_net.h>
+
+static
+char *_xio_translate_hostname(const char *name)
+{
+ char *res = brick_strdup(name);
+ char *test;
+ char *tmp;
+
+ for (tmp = res; *tmp; tmp++) {
+ if (*tmp == ':') {
+ *tmp = '\0';
+ break;
+ }
+ }
+
+ tmp = path_make("/mars/ips/ip-%s", res);
+ if (unlikely(!tmp))
+ goto done;
+
+ test = mars_readlink(tmp);
+ if (test && test[0]) {
+ XIO_DBG("'%s' => '%s'\n", tmp, test);
+ brick_string_free(res);
+ res = test;
+ } else {
+ brick_string_free(test);
+ XIO_WRN("no hostname translation for '%s'\n", tmp);
+ }
+ brick_string_free(tmp);
+
+done:
+ return res;
+}
+
+int xio_send_dent_list(struct xio_socket *sock, struct list_head *anchor)
+{
+ struct list_head *tmp;
+ struct mars_dent *dent;
+ int status = 0;
+
+ for (tmp = anchor->next; tmp != anchor; tmp = tmp->next) {
+ dent = container_of(tmp, struct mars_dent, dent_link);
+ status = xio_send_struct(sock, dent, mars_dent_meta);
+ if (status < 0)
+ break;
+ }
+ if (status >= 0) { /* send EOR */
+ status = xio_send_struct(sock, NULL, mars_dent_meta);
+ }
+ return status;
+}
+
+int xio_recv_dent_list(struct xio_socket *sock, struct list_head *anchor)
+{
+ int status;
+
+ for (;;) {
+ struct mars_dent *dent = brick_zmem_alloc(sizeof(struct
mars_dent));
+
+ INIT_LIST_HEAD(&dent->dent_link);
+ INIT_LIST_HEAD(&dent->brick_list);
+
+ status = xio_recv_struct(sock, dent, mars_dent_meta);
+ if (status <= 0) {
+ xio_free_dent(dent);
+ goto done;
+ }
+ list_add_tail(&dent->dent_link, anchor);
+ }
+done:
+ return status;
+}
+
+/***************** module init stuff ************************/
+
+int __init init_sy_net(void)
+{
+ XIO_INF("init_sy_net()\n");
+ xio_translate_hostname = _xio_translate_hostname;
+ return 0;
+}
+
+void exit_sy_net(void)
+{
+ XIO_INF("exit_sy_net()\n");
+}
--
2.6.4
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