aboutsummaryrefslogtreecommitdiff
path: root/block
diff options
context:
space:
mode:
Diffstat (limited to 'block')
-rw-r--r--block/nbd.c71
1 files changed, 37 insertions, 34 deletions
diff --git a/block/nbd.c b/block/nbd.c
index 2176186..c2a87e9 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -43,7 +43,6 @@
typedef struct BDRVNBDState {
NbdClientSession client;
- QemuOpts *socket_opts;
} BDRVNBDState;
static int nbd_parse_uri(const char *filename, QDict *options)
@@ -190,10 +189,10 @@ out:
g_free(file);
}
-static void nbd_config(BDRVNBDState *s, QDict *options, char **export,
- Error **errp)
+static SocketAddress *nbd_config(BDRVNBDState *s, QDict *options, char **export,
+ Error **errp)
{
- Error *local_err = NULL;
+ SocketAddress *saddr;
if (qdict_haskey(options, "path") == qdict_haskey(options, "host")) {
if (qdict_haskey(options, "path")) {
@@ -201,28 +200,37 @@ static void nbd_config(BDRVNBDState *s, QDict *options, char **export,
} else {
error_setg(errp, "one of path and host must be specified.");
}
- return;
+ return NULL;
}
- s->client.is_unix = qdict_haskey(options, "path");
- s->socket_opts = qemu_opts_create(&socket_optslist, NULL, 0,
- &error_abort);
+ saddr = g_new0(SocketAddress, 1);
- qemu_opts_absorb_qdict(s->socket_opts, options, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
- return;
+ if (qdict_haskey(options, "path")) {
+ saddr->kind = SOCKET_ADDRESS_KIND_UNIX;
+ saddr->q_unix = g_new0(UnixSocketAddress, 1);
+ saddr->q_unix->path = g_strdup(qdict_get_str(options, "path"));
+ qdict_del(options, "path");
+ } else {
+ saddr->kind = SOCKET_ADDRESS_KIND_INET;
+ saddr->inet = g_new0(InetSocketAddress, 1);
+ saddr->inet->host = g_strdup(qdict_get_str(options, "host"));
+ if (!qdict_get_try_str(options, "port")) {
+ saddr->inet->port = g_strdup_printf("%d", NBD_DEFAULT_PORT);
+ } else {
+ saddr->inet->port = g_strdup(qdict_get_str(options, "port"));
+ }
+ qdict_del(options, "host");
+ qdict_del(options, "port");
}
- if (!qemu_opt_get(s->socket_opts, "port")) {
- qemu_opt_set_number(s->socket_opts, "port", NBD_DEFAULT_PORT,
- &error_abort);
- }
+ s->client.is_unix = saddr->kind == SOCKET_ADDRESS_KIND_UNIX;
*export = g_strdup(qdict_get_try_str(options, "export"));
if (*export) {
qdict_del(options, "export");
}
+
+ return saddr;
}
NbdClientSession *nbd_get_client_session(BlockDriverState *bs)
@@ -231,26 +239,24 @@ NbdClientSession *nbd_get_client_session(BlockDriverState *bs)
return &s->client;
}
-static int nbd_establish_connection(BlockDriverState *bs, Error **errp)
+static int nbd_establish_connection(BlockDriverState *bs,
+ SocketAddress *saddr,
+ Error **errp)
{
BDRVNBDState *s = bs->opaque;
int sock;
- if (s->client.is_unix) {
- sock = unix_connect_opts(s->socket_opts, errp, NULL, NULL);
- } else {
- sock = inet_connect_opts(s->socket_opts, errp, NULL, NULL);
- if (sock >= 0) {
- socket_set_nodelay(sock);
- }
- }
+ sock = socket_connect(saddr, errp, NULL, NULL);
- /* Failed to establish connection */
if (sock < 0) {
logout("Failed to establish connection to NBD server\n");
return -EIO;
}
+ if (!s->client.is_unix) {
+ socket_set_nodelay(sock);
+ }
+
return sock;
}
@@ -260,19 +266,19 @@ static int nbd_open(BlockDriverState *bs, QDict *options, int flags,
BDRVNBDState *s = bs->opaque;
char *export = NULL;
int result, sock;
- Error *local_err = NULL;
+ SocketAddress *saddr;
/* Pop the config into our state object. Exit if invalid. */
- nbd_config(s, options, &export, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
+ saddr = nbd_config(s, options, &export, errp);
+ if (!saddr) {
return -EINVAL;
}
/* establish TCP connection, return error if it fails
* TODO: Configurable retry-until-timeout behaviour.
*/
- sock = nbd_establish_connection(bs, errp);
+ sock = nbd_establish_connection(bs, saddr, errp);
+ qapi_free_SocketAddress(saddr);
if (sock < 0) {
g_free(export);
return sock;
@@ -315,9 +321,6 @@ static int nbd_co_discard(BlockDriverState *bs, int64_t sector_num,
static void nbd_close(BlockDriverState *bs)
{
- BDRVNBDState *s = bs->opaque;
-
- qemu_opts_del(s->socket_opts);
nbd_client_close(bs);
}