Initial Contribution

1 files changed, 51 insertions, 0 deletions

diff --git a/shaper.h b/shaper.h
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+/* Copyright (C) 2007-2008 The Android Open Source Project
+**
+** This software is licensed under the terms of the GNU General Public
+** License version 2, as published by the Free Software Foundation, and
+** may be copied, distributed, and modified under those terms.
+**
+** 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.
+*/
+#ifndef _SLIRP_SHAPER_H_
+#define _SLIRP_SHAPER_H_
+
+#include "vl.h"
+
+/* a NetShaper object is used to limit the throughput of data packets
+ * at a fixed rate expressed in bits/seconds
+ */
+typedef struct NetShaperRec_*  NetShaper;
+typedef void (*NetShaperSendFunc)( void*  data, size_t  size, void*  opaque);
+
+NetShaper   netshaper_create  ( int                do_copy,
+                                NetShaperSendFunc  send_func );
+
+void        netshaper_set_rate(NetShaper  shaper, double  rate );
+
+void        netshaper_send( NetShaper  shaper, void* data, size_t  size );
+
+void        netshaper_send_aux( NetShaper  shaper, void* data, size_t  size, void*  opaque );
+
+int         netshaper_can_send( NetShaper  shaper );
+
+void        netshaper_destroy (NetShaper   shaper);
+
+/* a NetDelay object is used to simulate network connection latencies */
+typedef struct NetDelayRec_*  NetDelay;
+
+NetDelay   netdelay_create( NetShaperSendFunc  send_func );
+void       netdelay_set_latency( NetDelay  delay, int  min_ms, int  max_ms );
+void       netdelay_send( NetDelay  delay, const void*  data, size_t  size );
+void       netdelay_send_aux( NetDelay  delay, const void*  data, size_t  size, void*  opaque );
+void       netdelay_destroy( NetDelay  delay );
+
+/** in vl.c */
+/* network traffic shaper and delayer */
+extern NetShaper   slirp_shaper_in;
+extern NetShaper   slirp_shaper_out;
+extern NetDelay    slirp_delay_in;
+
+#endif /* _SLIRP_SHAPER_H_ */