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authorThomas Huth <thuth@redhat.com>2015-10-13 12:40:00 +0200
committerJason Wang <jasowang@redhat.com>2015-10-27 10:30:34 +0800
commit75310e3486ab205d870560b75bbcaba72acb26d7 (patch)
tree7808a4ab2907cd5382ad3eaa43da3f3d3edef48a
parent7bc3074c27bb1eae7c8ccacd920ba55454381786 (diff)
downloadhqemu-75310e3486ab205d870560b75bbcaba72acb26d7.zip
hqemu-75310e3486ab205d870560b75bbcaba72acb26d7.tar.gz
net/dump: Separate the NetClientState from the DumpState
With the upcoming dumping-via-netfilter patch, the DumpState should not be related to NetClientState anymore, so move the related information to a new struct called DumpNetClient. Reviewed-by: Yang Hongyang <yanghy@cn.fujitsu.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
-rw-r--r--net/dump.c74
1 files changed, 49 insertions, 25 deletions
diff --git a/net/dump.c b/net/dump.c
index e6f6be0..e3e82bd 100644
--- a/net/dump.c
+++ b/net/dump.c
@@ -31,7 +31,6 @@
#include "hub.h"
typedef struct DumpState {
- NetClientState nc;
int64_t start_ts;
int fd;
int pcap_caplen;
@@ -58,10 +57,8 @@ struct pcap_sf_pkthdr {
uint32_t len;
};
-static ssize_t dump_receive_iov(NetClientState *nc, const struct iovec *iov,
- int cnt)
+static ssize_t dump_receive_iov(DumpState *s, const struct iovec *iov, int cnt)
{
- DumpState *s = DO_UPCAST(DumpState, nc, nc);
struct pcap_sf_pkthdr hdr;
int64_t ts;
int caplen;
@@ -94,30 +91,12 @@ static ssize_t dump_receive_iov(NetClientState *nc, const struct iovec *iov,
return size;
}
-static ssize_t dump_receive(NetClientState *nc, const uint8_t *buf, size_t size)
-{
- struct iovec iov = {
- .iov_base = (void *)buf,
- .iov_len = size
- };
- return dump_receive_iov(nc, &iov, 1);
-}
-
-static void dump_cleanup(NetClientState *nc)
+static void dump_cleanup(DumpState *s)
{
- DumpState *s = DO_UPCAST(DumpState, nc, nc);
-
close(s->fd);
+ s->fd = -1;
}
-static NetClientInfo net_dump_info = {
- .type = NET_CLIENT_OPTIONS_KIND_DUMP,
- .size = sizeof(DumpState),
- .receive = dump_receive,
- .receive_iov = dump_receive_iov,
- .cleanup = dump_cleanup,
-};
-
static int net_dump_state_init(DumpState *s, const char *filename,
int len, Error **errp)
{
@@ -154,6 +133,49 @@ static int net_dump_state_init(DumpState *s, const char *filename,
return 0;
}
+/* Dumping via VLAN netclient */
+
+struct DumpNetClient {
+ NetClientState nc;
+ DumpState ds;
+};
+typedef struct DumpNetClient DumpNetClient;
+
+static ssize_t dumpclient_receive(NetClientState *nc, const uint8_t *buf,
+ size_t size)
+{
+ DumpNetClient *dc = DO_UPCAST(DumpNetClient, nc, nc);
+ struct iovec iov = {
+ .iov_base = (void *)buf,
+ .iov_len = size
+ };
+
+ return dump_receive_iov(&dc->ds, &iov, 1);
+}
+
+static ssize_t dumpclient_receive_iov(NetClientState *nc,
+ const struct iovec *iov, int cnt)
+{
+ DumpNetClient *dc = DO_UPCAST(DumpNetClient, nc, nc);
+
+ return dump_receive_iov(&dc->ds, iov, cnt);
+}
+
+static void dumpclient_cleanup(NetClientState *nc)
+{
+ DumpNetClient *dc = DO_UPCAST(DumpNetClient, nc, nc);
+
+ dump_cleanup(&dc->ds);
+}
+
+static NetClientInfo net_dump_info = {
+ .type = NET_CLIENT_OPTIONS_KIND_DUMP,
+ .size = sizeof(DumpNetClient),
+ .receive = dumpclient_receive,
+ .receive_iov = dumpclient_receive_iov,
+ .cleanup = dumpclient_cleanup,
+};
+
int net_init_dump(const NetClientOptions *opts, const char *name,
NetClientState *peer, Error **errp)
{
@@ -162,6 +184,7 @@ int net_init_dump(const NetClientOptions *opts, const char *name,
char def_file[128];
const NetdevDumpOptions *dump;
NetClientState *nc;
+ DumpNetClient *dnc;
assert(opts->kind == NET_CLIENT_OPTIONS_KIND_DUMP);
dump = opts->dump;
@@ -195,7 +218,8 @@ int net_init_dump(const NetClientOptions *opts, const char *name,
snprintf(nc->info_str, sizeof(nc->info_str),
"dump to %s (len=%d)", file, len);
- rc = net_dump_state_init(DO_UPCAST(DumpState, nc, nc), file, len, errp);
+ dnc = DO_UPCAST(DumpNetClient, nc, nc);
+ rc = net_dump_state_init(&dnc->ds, file, len, errp);
if (rc) {
qemu_del_net_client(nc);
}
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