2009-11-25 19:48:57 +01:00
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/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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2016-01-29 18:50:00 +01:00
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#include "qemu/osdep.h"
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2019-05-23 16:35:08 +02:00
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#include "qemu-common.h"
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2012-09-17 18:43:51 +02:00
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#include "clients.h"
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include/qemu/osdep.h: Don't include qapi/error.h
Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the
Error typedef. Since then, we've moved to include qemu/osdep.h
everywhere. Its file comment explains: "To avoid getting into
possible circular include dependencies, this file should not include
any other QEMU headers, with the exceptions of config-host.h,
compiler.h, os-posix.h and os-win32.h, all of which are doing a
similar job to this file and are under similar constraints."
qapi/error.h doesn't do a similar job, and it doesn't adhere to
similar constraints: it includes qapi-types.h. That's in excess of
100KiB of crap most .c files don't actually need.
Add the typedef to qemu/typedefs.h, and include that instead of
qapi/error.h. Include qapi/error.h in .c files that need it and don't
get it now. Include qapi-types.h in qom/object.h for uint16List.
Update scripts/clean-includes accordingly. Update it further to match
reality: replace config.h by config-target.h, add sysemu/os-posix.h,
sysemu/os-win32.h. Update the list of includes in the qemu/osdep.h
comment quoted above similarly.
This reduces the number of objects depending on qapi/error.h from "all
of them" to less than a third. Unfortunately, the number depending on
qapi-types.h shrinks only a little. More work is needed for that one.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
[Fix compilation without the spice devel packages. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-14 09:01:28 +01:00
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#include "qapi/error.h"
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2012-12-17 18:20:00 +01:00
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#include "qemu/error-report.h"
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2015-10-13 12:39:58 +02:00
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#include "qemu/iov.h"
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2012-12-17 18:20:00 +01:00
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#include "qemu/log.h"
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2019-05-23 16:35:07 +02:00
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#include "qemu/module.h"
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2012-12-17 18:20:00 +01:00
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#include "qemu/timer.h"
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2015-10-13 12:40:01 +02:00
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#include "qapi/visitor.h"
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#include "net/filter.h"
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2009-11-25 19:48:57 +01:00
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typedef struct DumpState {
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2011-11-30 21:35:38 +01:00
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int64_t start_ts;
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2009-11-25 19:48:57 +01:00
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int fd;
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int pcap_caplen;
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} DumpState;
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#define PCAP_MAGIC 0xa1b2c3d4
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struct pcap_file_hdr {
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uint32_t magic;
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uint16_t version_major;
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uint16_t version_minor;
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int32_t thiszone;
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uint32_t sigfigs;
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uint32_t snaplen;
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uint32_t linktype;
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};
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struct pcap_sf_pkthdr {
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struct {
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int32_t tv_sec;
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int32_t tv_usec;
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} ts;
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uint32_t caplen;
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uint32_t len;
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};
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|
2015-10-13 12:40:00 +02:00
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static ssize_t dump_receive_iov(DumpState *s, const struct iovec *iov, int cnt)
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2009-11-25 19:48:57 +01:00
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{
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struct pcap_sf_pkthdr hdr;
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int64_t ts;
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int caplen;
|
2015-10-13 12:39:58 +02:00
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size_t size = iov_size(iov, cnt);
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struct iovec dumpiov[cnt + 1];
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2009-11-25 19:48:57 +01:00
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/* Early return in case of previous error. */
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if (s->fd < 0) {
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return size;
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}
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2015-08-25 17:24:39 +02:00
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ts = qemu_clock_get_us(QEMU_CLOCK_VIRTUAL);
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2009-11-25 19:48:57 +01:00
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caplen = size > s->pcap_caplen ? s->pcap_caplen : size;
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2011-11-30 21:35:38 +01:00
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hdr.ts.tv_sec = ts / 1000000 + s->start_ts;
|
2009-11-25 19:48:57 +01:00
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hdr.ts.tv_usec = ts % 1000000;
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hdr.caplen = caplen;
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hdr.len = size;
|
2015-10-13 12:39:58 +02:00
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dumpiov[0].iov_base = &hdr;
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dumpiov[0].iov_len = sizeof(hdr);
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cnt = iov_copy(&dumpiov[1], cnt, iov, cnt, 0, caplen);
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if (writev(s->fd, dumpiov, cnt + 1) != sizeof(hdr) + caplen) {
|
2015-12-04 13:38:46 +01:00
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error_report("network dump write error - stopping dump");
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2009-11-25 19:48:57 +01:00
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close(s->fd);
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s->fd = -1;
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}
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return size;
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}
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2015-10-13 12:40:00 +02:00
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static void dump_cleanup(DumpState *s)
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2009-11-25 19:48:57 +01:00
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{
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close(s->fd);
|
2015-10-13 12:40:00 +02:00
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s->fd = -1;
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2009-11-25 19:48:57 +01:00
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}
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2015-10-13 12:39:59 +02:00
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static int net_dump_state_init(DumpState *s, const char *filename,
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int len, Error **errp)
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2009-11-25 19:48:57 +01:00
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{
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struct pcap_file_hdr hdr;
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2011-11-30 21:35:38 +01:00
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struct tm tm;
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2009-11-25 19:49:09 +01:00
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int fd;
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2009-11-25 19:48:57 +01:00
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2011-11-30 21:35:37 +01:00
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fd = open(filename, O_CREAT | O_TRUNC | O_WRONLY | O_BINARY, 0644);
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2009-11-25 19:49:09 +01:00
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if (fd < 0) {
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2018-02-21 11:18:34 +01:00
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error_setg_errno(errp, errno, "net dump: can't open %s", filename);
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2009-11-25 19:48:57 +01:00
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return -1;
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}
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hdr.magic = PCAP_MAGIC;
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hdr.version_major = 2;
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hdr.version_minor = 4;
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hdr.thiszone = 0;
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hdr.sigfigs = 0;
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2009-11-25 19:49:09 +01:00
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hdr.snaplen = len;
|
2009-11-25 19:48:57 +01:00
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hdr.linktype = 1;
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2009-11-25 19:49:09 +01:00
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if (write(fd, &hdr, sizeof(hdr)) < sizeof(hdr)) {
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2018-02-21 11:18:34 +01:00
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error_setg_errno(errp, errno, "net dump write error");
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2009-11-25 19:49:09 +01:00
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close(fd);
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2009-11-25 19:48:57 +01:00
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return -1;
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}
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2009-11-25 19:49:09 +01:00
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s->fd = fd;
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s->pcap_caplen = len;
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2011-11-30 21:35:38 +01:00
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qemu_get_timedate(&tm, 0);
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s->start_ts = mktime(&tm);
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2009-11-25 19:48:57 +01:00
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return 0;
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}
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2015-10-13 12:40:01 +02:00
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#define TYPE_FILTER_DUMP "filter-dump"
|
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#define FILTER_DUMP(obj) \
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OBJECT_CHECK(NetFilterDumpState, (obj), TYPE_FILTER_DUMP)
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struct NetFilterDumpState {
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NetFilterState nfs;
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DumpState ds;
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char *filename;
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uint32_t maxlen;
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};
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|
typedef struct NetFilterDumpState NetFilterDumpState;
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|
static ssize_t filter_dump_receive_iov(NetFilterState *nf, NetClientState *sndr,
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unsigned flags, const struct iovec *iov,
|
|
|
|
int iovcnt, NetPacketSent *sent_cb)
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|
|
|
{
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|
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|
NetFilterDumpState *nfds = FILTER_DUMP(nf);
|
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|
dump_receive_iov(&nfds->ds, iov, iovcnt);
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|
return 0;
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|
}
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|
static void filter_dump_cleanup(NetFilterState *nf)
|
|
|
|
{
|
|
|
|
NetFilterDumpState *nfds = FILTER_DUMP(nf);
|
|
|
|
|
|
|
|
dump_cleanup(&nfds->ds);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void filter_dump_setup(NetFilterState *nf, Error **errp)
|
|
|
|
{
|
|
|
|
NetFilterDumpState *nfds = FILTER_DUMP(nf);
|
|
|
|
|
|
|
|
if (!nfds->filename) {
|
|
|
|
error_setg(errp, "dump filter needs 'file' property set!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
net_dump_state_init(&nfds->ds, nfds->filename, nfds->maxlen, errp);
|
|
|
|
}
|
|
|
|
|
qom: Swap 'name' next to visitor in ObjectPropertyAccessor
Similar to the previous patch, it's nice to have all functions
in the tree that involve a visitor and a name for conversion to
or from QAPI to consistently stick the 'name' parameter next
to the Visitor parameter.
Done by manually changing include/qom/object.h and qom/object.c,
then running this Coccinelle script and touching up the fallout
(Coccinelle insisted on adding some trailing whitespace).
@ rule1 @
identifier fn;
typedef Object, Visitor, Error;
identifier obj, v, opaque, name, errp;
@@
void fn
- (Object *obj, Visitor *v, void *opaque, const char *name,
+ (Object *obj, Visitor *v, const char *name, void *opaque,
Error **errp) { ... }
@@
identifier rule1.fn;
expression obj, v, opaque, name, errp;
@@
fn(obj, v,
- opaque, name,
+ name, opaque,
errp)
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1454075341-13658-20-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-01-29 14:48:55 +01:00
|
|
|
static void filter_dump_get_maxlen(Object *obj, Visitor *v, const char *name,
|
|
|
|
void *opaque, Error **errp)
|
2015-10-13 12:40:01 +02:00
|
|
|
{
|
|
|
|
NetFilterDumpState *nfds = FILTER_DUMP(obj);
|
|
|
|
uint32_t value = nfds->maxlen;
|
|
|
|
|
qapi: Swap visit_* arguments for consistent 'name' placement
JSON uses "name":value, but many of our visitor interfaces were
called with visit_type_FOO(v, &value, name, errp). This can be
a bit confusing to have to mentally swap the parameter order to
match JSON order. It's particularly bad for visit_start_struct(),
where the 'name' parameter is smack in the middle of the
otherwise-related group of 'obj, kind, size' parameters! It's
time to do a global swap of the parameter ordering, so that the
'name' parameter is always immediately after the Visitor argument.
Additional reason in favor of the swap: the existing include/qjson.h
prefers listing 'name' first in json_prop_*(), and I have plans to
unify that file with the qapi visitors; listing 'name' first in
qapi will minimize churn to the (admittedly few) qjson.h clients.
Later patches will then fix docs, object.h, visitor-impl.h, and
those clients to match.
Done by first patching scripts/qapi*.py by hand to make generated
files do what I want, then by running the following Coccinelle
script to affect the rest of the code base:
$ spatch --sp-file script `git grep -l '\bvisit_' -- '**/*.[ch]'`
I then had to apply some touchups (Coccinelle insisted on TAB
indentation in visitor.h, and botched the signature of
visit_type_enum() by rewriting 'const char *const strings[]' to
the syntactically invalid 'const char*const[] strings'). The
movement of parameters is sufficient to provoke compiler errors
if any callers were missed.
// Part 1: Swap declaration order
@@
type TV, TErr, TObj, T1, T2;
identifier OBJ, ARG1, ARG2;
@@
void visit_start_struct
-(TV v, TObj OBJ, T1 ARG1, const char *name, T2 ARG2, TErr errp)
+(TV v, const char *name, TObj OBJ, T1 ARG1, T2 ARG2, TErr errp)
{ ... }
@@
type bool, TV, T1;
identifier ARG1;
@@
bool visit_optional
-(TV v, T1 ARG1, const char *name)
+(TV v, const char *name, T1 ARG1)
{ ... }
@@
type TV, TErr, TObj, T1;
identifier OBJ, ARG1;
@@
void visit_get_next_type
-(TV v, TObj OBJ, T1 ARG1, const char *name, TErr errp)
+(TV v, const char *name, TObj OBJ, T1 ARG1, TErr errp)
{ ... }
@@
type TV, TErr, TObj, T1, T2;
identifier OBJ, ARG1, ARG2;
@@
void visit_type_enum
-(TV v, TObj OBJ, T1 ARG1, T2 ARG2, const char *name, TErr errp)
+(TV v, const char *name, TObj OBJ, T1 ARG1, T2 ARG2, TErr errp)
{ ... }
@@
type TV, TErr, TObj;
identifier OBJ;
identifier VISIT_TYPE =~ "^visit_type_";
@@
void VISIT_TYPE
-(TV v, TObj OBJ, const char *name, TErr errp)
+(TV v, const char *name, TObj OBJ, TErr errp)
{ ... }
// Part 2: swap caller order
@@
expression V, NAME, OBJ, ARG1, ARG2, ERR;
identifier VISIT_TYPE =~ "^visit_type_";
@@
(
-visit_start_struct(V, OBJ, ARG1, NAME, ARG2, ERR)
+visit_start_struct(V, NAME, OBJ, ARG1, ARG2, ERR)
|
-visit_optional(V, ARG1, NAME)
+visit_optional(V, NAME, ARG1)
|
-visit_get_next_type(V, OBJ, ARG1, NAME, ERR)
+visit_get_next_type(V, NAME, OBJ, ARG1, ERR)
|
-visit_type_enum(V, OBJ, ARG1, ARG2, NAME, ERR)
+visit_type_enum(V, NAME, OBJ, ARG1, ARG2, ERR)
|
-VISIT_TYPE(V, OBJ, NAME, ERR)
+VISIT_TYPE(V, NAME, OBJ, ERR)
)
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1454075341-13658-19-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-01-29 14:48:54 +01:00
|
|
|
visit_type_uint32(v, name, &value, errp);
|
2015-10-13 12:40:01 +02:00
|
|
|
}
|
|
|
|
|
qom: Swap 'name' next to visitor in ObjectPropertyAccessor
Similar to the previous patch, it's nice to have all functions
in the tree that involve a visitor and a name for conversion to
or from QAPI to consistently stick the 'name' parameter next
to the Visitor parameter.
Done by manually changing include/qom/object.h and qom/object.c,
then running this Coccinelle script and touching up the fallout
(Coccinelle insisted on adding some trailing whitespace).
@ rule1 @
identifier fn;
typedef Object, Visitor, Error;
identifier obj, v, opaque, name, errp;
@@
void fn
- (Object *obj, Visitor *v, void *opaque, const char *name,
+ (Object *obj, Visitor *v, const char *name, void *opaque,
Error **errp) { ... }
@@
identifier rule1.fn;
expression obj, v, opaque, name, errp;
@@
fn(obj, v,
- opaque, name,
+ name, opaque,
errp)
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1454075341-13658-20-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-01-29 14:48:55 +01:00
|
|
|
static void filter_dump_set_maxlen(Object *obj, Visitor *v, const char *name,
|
|
|
|
void *opaque, Error **errp)
|
2015-10-13 12:40:01 +02:00
|
|
|
{
|
|
|
|
NetFilterDumpState *nfds = FILTER_DUMP(obj);
|
|
|
|
Error *local_err = NULL;
|
|
|
|
uint32_t value;
|
|
|
|
|
qapi: Swap visit_* arguments for consistent 'name' placement
JSON uses "name":value, but many of our visitor interfaces were
called with visit_type_FOO(v, &value, name, errp). This can be
a bit confusing to have to mentally swap the parameter order to
match JSON order. It's particularly bad for visit_start_struct(),
where the 'name' parameter is smack in the middle of the
otherwise-related group of 'obj, kind, size' parameters! It's
time to do a global swap of the parameter ordering, so that the
'name' parameter is always immediately after the Visitor argument.
Additional reason in favor of the swap: the existing include/qjson.h
prefers listing 'name' first in json_prop_*(), and I have plans to
unify that file with the qapi visitors; listing 'name' first in
qapi will minimize churn to the (admittedly few) qjson.h clients.
Later patches will then fix docs, object.h, visitor-impl.h, and
those clients to match.
Done by first patching scripts/qapi*.py by hand to make generated
files do what I want, then by running the following Coccinelle
script to affect the rest of the code base:
$ spatch --sp-file script `git grep -l '\bvisit_' -- '**/*.[ch]'`
I then had to apply some touchups (Coccinelle insisted on TAB
indentation in visitor.h, and botched the signature of
visit_type_enum() by rewriting 'const char *const strings[]' to
the syntactically invalid 'const char*const[] strings'). The
movement of parameters is sufficient to provoke compiler errors
if any callers were missed.
// Part 1: Swap declaration order
@@
type TV, TErr, TObj, T1, T2;
identifier OBJ, ARG1, ARG2;
@@
void visit_start_struct
-(TV v, TObj OBJ, T1 ARG1, const char *name, T2 ARG2, TErr errp)
+(TV v, const char *name, TObj OBJ, T1 ARG1, T2 ARG2, TErr errp)
{ ... }
@@
type bool, TV, T1;
identifier ARG1;
@@
bool visit_optional
-(TV v, T1 ARG1, const char *name)
+(TV v, const char *name, T1 ARG1)
{ ... }
@@
type TV, TErr, TObj, T1;
identifier OBJ, ARG1;
@@
void visit_get_next_type
-(TV v, TObj OBJ, T1 ARG1, const char *name, TErr errp)
+(TV v, const char *name, TObj OBJ, T1 ARG1, TErr errp)
{ ... }
@@
type TV, TErr, TObj, T1, T2;
identifier OBJ, ARG1, ARG2;
@@
void visit_type_enum
-(TV v, TObj OBJ, T1 ARG1, T2 ARG2, const char *name, TErr errp)
+(TV v, const char *name, TObj OBJ, T1 ARG1, T2 ARG2, TErr errp)
{ ... }
@@
type TV, TErr, TObj;
identifier OBJ;
identifier VISIT_TYPE =~ "^visit_type_";
@@
void VISIT_TYPE
-(TV v, TObj OBJ, const char *name, TErr errp)
+(TV v, const char *name, TObj OBJ, TErr errp)
{ ... }
// Part 2: swap caller order
@@
expression V, NAME, OBJ, ARG1, ARG2, ERR;
identifier VISIT_TYPE =~ "^visit_type_";
@@
(
-visit_start_struct(V, OBJ, ARG1, NAME, ARG2, ERR)
+visit_start_struct(V, NAME, OBJ, ARG1, ARG2, ERR)
|
-visit_optional(V, ARG1, NAME)
+visit_optional(V, NAME, ARG1)
|
-visit_get_next_type(V, OBJ, ARG1, NAME, ERR)
+visit_get_next_type(V, NAME, OBJ, ARG1, ERR)
|
-visit_type_enum(V, OBJ, ARG1, ARG2, NAME, ERR)
+visit_type_enum(V, NAME, OBJ, ARG1, ARG2, ERR)
|
-VISIT_TYPE(V, OBJ, NAME, ERR)
+VISIT_TYPE(V, NAME, OBJ, ERR)
)
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1454075341-13658-19-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-01-29 14:48:54 +01:00
|
|
|
visit_type_uint32(v, name, &value, &local_err);
|
2015-10-13 12:40:01 +02:00
|
|
|
if (local_err) {
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
if (value == 0) {
|
|
|
|
error_setg(&local_err, "Property '%s.%s' doesn't take value '%u'",
|
|
|
|
object_get_typename(obj), name, value);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
nfds->maxlen = value;
|
|
|
|
|
|
|
|
out:
|
|
|
|
error_propagate(errp, local_err);
|
|
|
|
}
|
|
|
|
|
|
|
|
static char *file_dump_get_filename(Object *obj, Error **errp)
|
|
|
|
{
|
|
|
|
NetFilterDumpState *nfds = FILTER_DUMP(obj);
|
|
|
|
|
|
|
|
return g_strdup(nfds->filename);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void file_dump_set_filename(Object *obj, const char *value, Error **errp)
|
|
|
|
{
|
|
|
|
NetFilterDumpState *nfds = FILTER_DUMP(obj);
|
|
|
|
|
|
|
|
g_free(nfds->filename);
|
|
|
|
nfds->filename = g_strdup(value);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void filter_dump_instance_init(Object *obj)
|
|
|
|
{
|
|
|
|
NetFilterDumpState *nfds = FILTER_DUMP(obj);
|
|
|
|
|
|
|
|
nfds->maxlen = 65536;
|
|
|
|
|
2017-06-07 18:36:06 +02:00
|
|
|
object_property_add(obj, "maxlen", "uint32", filter_dump_get_maxlen,
|
2015-10-13 12:40:01 +02:00
|
|
|
filter_dump_set_maxlen, NULL, NULL, NULL);
|
|
|
|
object_property_add_str(obj, "file", file_dump_get_filename,
|
|
|
|
file_dump_set_filename, NULL);
|
|
|
|
}
|
|
|
|
|
2015-12-23 08:43:19 +01:00
|
|
|
static void filter_dump_instance_finalize(Object *obj)
|
|
|
|
{
|
|
|
|
NetFilterDumpState *nfds = FILTER_DUMP(obj);
|
|
|
|
|
|
|
|
g_free(nfds->filename);
|
|
|
|
}
|
|
|
|
|
2015-10-13 12:40:01 +02:00
|
|
|
static void filter_dump_class_init(ObjectClass *oc, void *data)
|
|
|
|
{
|
|
|
|
NetFilterClass *nfc = NETFILTER_CLASS(oc);
|
|
|
|
|
|
|
|
nfc->setup = filter_dump_setup;
|
|
|
|
nfc->cleanup = filter_dump_cleanup;
|
|
|
|
nfc->receive_iov = filter_dump_receive_iov;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const TypeInfo filter_dump_info = {
|
|
|
|
.name = TYPE_FILTER_DUMP,
|
|
|
|
.parent = TYPE_NETFILTER,
|
|
|
|
.class_init = filter_dump_class_init,
|
|
|
|
.instance_init = filter_dump_instance_init,
|
2015-12-23 08:43:19 +01:00
|
|
|
.instance_finalize = filter_dump_instance_finalize,
|
2015-10-13 12:40:01 +02:00
|
|
|
.instance_size = sizeof(NetFilterDumpState),
|
|
|
|
};
|
|
|
|
|
|
|
|
static void filter_dump_register_types(void)
|
|
|
|
{
|
|
|
|
type_register_static(&filter_dump_info);
|
|
|
|
}
|
|
|
|
|
|
|
|
type_init(filter_dump_register_types);
|