From 3e1c3cd989180d2085ce5af7f4db2b156d5df578 Mon Sep 17 00:00:00 2001
From: me_desk <me_desk@fb96df88-216d-11de-830c-f3023f12d8ac>
Date: Fri, 4 Jul 2014 01:03:36 +0000
Subject: implemented file transfer cancellation

git-svn-id: svn://localhost/project_picapica/trunk@315 fb96df88-216d-11de-830c-f3023f12d8ac
---
 PICA_client.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'PICA_client.c')

diff --git a/PICA_client.c b/PICA_client.c
index 6d428e4..50751d4 100755
--- a/PICA_client.c
+++ b/PICA_client.c
@@ -1827,6 +1827,39 @@ if (sending)
 return PICA_send_filecontrol(chan, senderctl, receiverctl);
 }
 
+int PICA_cancel_file(struct PICA_chaninfo *chan, int sending)
+{
+int senderctl = PICA_PROTO_FILECONTROL_VOID;
+int receiverctl = PICA_PROTO_FILECONTROL_VOID;
+
+if (sending)
+    {
+    if (chan->sendfilestate != PICA_CHANSENDFILESTATE_SENDING
+        && chan->sendfilestate != PICA_CHANSENDFILESTATE_PAUSED)
+        return PICA_ERRINVARG;
+
+    fclose(chan->sendfile_stream);
+    chan->sendfile_stream = NULL;
+    chan->sendfilestate = PICA_CHANSENDFILESTATE_IDLE;
+
+    senderctl = PICA_PROTO_FILECONTROL_CANCEL;
+    }
+    else
+    {
+    if (chan->recvfilestate != PICA_CHANRECVFILESTATE_RECEIVING
+        && chan->recvfilestate != PICA_CHANRECVFILESTATE_PAUSED)
+        return PICA_ERRINVARG;
+
+    fclose(chan->recvfile_stream);
+    chan->recvfile_stream = NULL;
+    chan->recvfilestate = PICA_CHANRECVFILESTATE_IDLE;
+
+    receiverctl = PICA_PROTO_FILECONTROL_CANCEL;
+    }
+
+return PICA_send_filecontrol(chan, senderctl, receiverctl);
+}
+
 int PICA_send_filecontrol(struct PICA_chaninfo *chan, int senderctl, int receiverctl)
 {
 struct PICA_proto_msg *mp;
-- 
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