pktfifo.cc revision 1762 
1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "base/misc.hh"
30#include "dev/pktfifo.hh"
31
32using namespace std;
33
34void
35PacketFifo::serialize(const string &base, ostream &os)
36{
37    paramOut(os, base + ".size", _size);
38    paramOut(os, base + ".maxsize", _maxsize);
39    paramOut(os, base + ".reserved", _reserved);
40    paramOut(os, base + ".packets", fifo.size());
41
42    int i = 0;
43    std::list<PacketPtr>::iterator p = fifo.begin();
44    std::list<PacketPtr>::iterator end = fifo.end();
45    while (p != end) {
46        (*p)->serialize(csprintf("%s.packet%d", base, i), os);
47        ++p;
48        ++i;
49    }
50}
51
52void
53PacketFifo::unserialize(const string &base, Checkpoint *cp,
54                        const string &section)
55{
56    paramIn(cp, section, base + ".size", _size);
57//  paramIn(cp, section, base + ".maxsize", _maxsize);
58    paramIn(cp, section, base + ".reserved", _reserved);
59    int fifosize;
60    paramIn(cp, section, base + ".packets", fifosize);
61
62    fifo.clear();
63
64    for (int i = 0; i < fifosize; ++i) {
65        PacketPtr p = new PacketData(16384);
66        p->unserialize(csprintf("%s.packet%d", base, i), cp, section);
67        fifo.push_back(p);
68    }
69}
70