- andreas@cvs.openbsd.org 2009/05/28 16:50:16

[openssh.git] / roaming_common.c

diff --git a/roaming_common.c b/roaming_common.c
new file mode 100644 (file)
index 0000000..5a871b2
--- /dev/null
+++ b/roaming_common.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2004-2009 AppGate Network Security AB
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+
+#include <errno.h>
+#include <inttypes.h>
+#include <stdarg.h>
+#include <unistd.h>
+
+#include "atomicio.h"
+#include "log.h"
+#include "packet.h"
+#include "xmalloc.h"
+#include "cipher.h"
+#include "buffer.h"
+#include "roaming.h"
+
+static u_int64_t write_bytes = 0;
+static u_int64_t read_bytes = 0;
+
+int resume_in_progress = 0;
+
+u_int64_t
+get_recv_bytes(void)
+{
+       return read_bytes;
+}
+
+void
+add_recv_bytes(u_int64_t num)
+{
+       read_bytes += num;
+}
+
+u_int64_t
+get_sent_bytes(void)
+{
+       return write_bytes;
+}
+
+void
+roam_set_bytes(u_int64_t sent, u_int64_t recv)
+{
+       read_bytes = recv;
+       write_bytes = sent;
+}
+
+ssize_t
+roaming_write(int fd, const void *buf, size_t count, int *cont)
+{
+       ssize_t ret;
+
+       ret = write(fd, buf, count);
+       if (ret > 0 && !resume_in_progress) {
+               write_bytes += ret;
+       }
+       debug("Wrote %d bytes for a total of %lld", ret, write_bytes);
+       return ret;
+}
+
+ssize_t
+roaming_read(int fd, void *buf, size_t count, int *cont)
+{
+       ssize_t ret = read(fd, buf, count);
+       if (ret > 0) {
+               if (!resume_in_progress) {
+                       read_bytes += ret;
+               }
+       }
+       return ret;
+}
+
+ssize_t
+roaming_atomicio(ssize_t(*f)(), int fd, void *buf, size_t count)
+{
+       ssize_t ret = atomicio(f, fd, buf, count);
+
+       if ((f == write || f == vwrite) && ret > 0 && !resume_in_progress) {
+               write_bytes += ret;
+       } else if (f == read && ret > 0 && !resume_in_progress) {
+               read_bytes += ret;
+       }
+       return ret;
+}