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Diffstat (limited to 'migration-tcp.c')
-rw-r--r--migration-tcp.c71
1 files changed, 19 insertions, 52 deletions
diff --git a/migration-tcp.c b/migration-tcp.c
index ac891c3..5e855fe 100644
--- a/migration-tcp.c
+++ b/migration-tcp.c
@@ -44,64 +44,34 @@ static int tcp_close(MigrationState *s)
{
int r = 0;
DPRINTF("tcp_close\n");
- if (s->fd != -1) {
- if (close(s->fd) < 0) {
- r = -errno;
- }
- s->fd = -1;
+ if (closesocket(s->fd) < 0) {
+ r = -socket_error();
}
return r;
}
-static void tcp_wait_for_connect(void *opaque)
+static void tcp_wait_for_connect(int fd, void *opaque)
{
MigrationState *s = opaque;
- int val, ret;
- socklen_t valsize = sizeof(val);
-
- DPRINTF("connect completed\n");
- do {
- ret = getsockopt(s->fd, SOL_SOCKET, SO_ERROR, (void *) &val, &valsize);
- } while (ret == -1 && (socket_error()) == EINTR);
- if (ret < 0) {
+ if (fd < 0) {
+ DPRINTF("migrate connect error\n");
+ s->fd = -1;
migrate_fd_error(s);
- return;
- }
-
- qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
-
- if (val == 0)
+ } else {
+ DPRINTF("migrate connect success\n");
+ s->fd = fd;
migrate_fd_connect(s);
- else {
- DPRINTF("error connecting %d\n", val);
- migrate_fd_error(s);
}
}
-int tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
- Error **errp)
+void tcp_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp)
{
- bool in_progress;
-
s->get_error = socket_errno;
s->write = socket_write;
s->close = tcp_close;
- s->fd = inet_connect(host_port, false, &in_progress, errp);
- if (error_is_set(errp)) {
- migrate_fd_error(s);
- return -1;
- }
-
- if (in_progress) {
- DPRINTF("connect in progress\n");
- qemu_set_fd_handler2(s->fd, NULL, NULL, tcp_wait_for_connect, s);
- } else {
- migrate_fd_connect(s);
- }
-
- return 0;
+ s->fd = inet_nonblocking_connect(host_port, tcp_wait_for_connect, s, errp);
}
static void tcp_accept_incoming_migration(void *opaque)
@@ -115,12 +85,14 @@ static void tcp_accept_incoming_migration(void *opaque)
do {
c = qemu_accept(s, (struct sockaddr *)&addr, &addrlen);
} while (c == -1 && socket_error() == EINTR);
+ qemu_set_fd_handler2(s, NULL, NULL, NULL, NULL);
+ closesocket(s);
DPRINTF("accepted migration\n");
if (c == -1) {
fprintf(stderr, "could not accept migration connection\n");
- goto out2;
+ goto out;
}
f = qemu_fopen_socket(c);
@@ -130,26 +102,21 @@ static void tcp_accept_incoming_migration(void *opaque)
}
process_incoming_migration(f);
- qemu_fclose(f);
+ return;
+
out:
- close(c);
-out2:
- qemu_set_fd_handler2(s, NULL, NULL, NULL, NULL);
- close(s);
+ closesocket(c);
}
-int tcp_start_incoming_migration(const char *host_port, Error **errp)
+void tcp_start_incoming_migration(const char *host_port, Error **errp)
{
int s;
s = inet_listen(host_port, NULL, 256, SOCK_STREAM, 0, errp);
-
if (s < 0) {
- return -1;
+ return;
}
qemu_set_fd_handler2(s, NULL, tcp_accept_incoming_migration, NULL,
(void *)(intptr_t)s);
-
- return 0;
}