diff options
| -rw-r--r-- | include/migration/qemu-file.h | 2 | ||||
| -rw-r--r-- | migration-tcp.c | 2 | ||||
| -rw-r--r-- | migration-unix.c | 2 | ||||
| -rw-r--r-- | savevm.c | 33 |
4 files changed, 34 insertions, 5 deletions
diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h index 987e719173..25e84613fa 100644 --- a/include/migration/qemu-file.h +++ b/include/migration/qemu-file.h @@ -76,7 +76,7 @@ typedef struct QEMUFileOps { QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps *ops); QEMUFile *qemu_fopen(const char *filename, const char *mode); QEMUFile *qemu_fdopen(int fd, const char *mode); -QEMUFile *qemu_fopen_socket(int fd); +QEMUFile *qemu_fopen_socket(int fd, const char *mode); QEMUFile *qemu_popen_cmd(const char *command, const char *mode); int qemu_get_fd(QEMUFile *f); int qemu_fclose(QEMUFile *f); diff --git a/migration-tcp.c b/migration-tcp.c index e78a296137..7d975b5e80 100644 --- a/migration-tcp.c +++ b/migration-tcp.c @@ -95,7 +95,7 @@ static void tcp_accept_incoming_migration(void *opaque) goto out; } - f = qemu_fopen_socket(c); + f = qemu_fopen_socket(c, "rb"); if (f == NULL) { fprintf(stderr, "could not qemu_fopen socket\n"); goto out; diff --git a/migration-unix.c b/migration-unix.c index 218835a7a4..4693b43d90 100644 --- a/migration-unix.c +++ b/migration-unix.c @@ -95,7 +95,7 @@ static void unix_accept_incoming_migration(void *opaque) goto out; } - f = qemu_fopen_socket(c); + f = qemu_fopen_socket(c, "rb"); if (f == NULL) { fprintf(stderr, "could not qemu_fopen socket\n"); goto out; @@ -198,6 +198,18 @@ static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) return len; } +static int socket_put_buffer(void *opaque, const uint8_t *buf, int64_t pos, int size) +{ + QEMUFileSocket *s = opaque; + ssize_t len; + + len = qemu_send_full(s->fd, buf, size, 0); + if (len < size) { + len = -socket_error(); + } + return len; +} + static int socket_close(void *opaque) { QEMUFileSocket *s = opaque; @@ -369,12 +381,29 @@ static const QEMUFileOps socket_read_ops = { .close = socket_close }; -QEMUFile *qemu_fopen_socket(int fd) +static const QEMUFileOps socket_write_ops = { + .get_fd = socket_get_fd, + .put_buffer = socket_put_buffer, + .close = socket_close +}; + +QEMUFile *qemu_fopen_socket(int fd, const char *mode) { QEMUFileSocket *s = g_malloc0(sizeof(QEMUFileSocket)); + if (mode == NULL || + (mode[0] != 'r' && mode[0] != 'w') || + mode[1] != 'b' || mode[2] != 0) { + fprintf(stderr, "qemu_fopen: Argument validity check failed\n"); + return NULL; + } + s->fd = fd; - s->file = qemu_fopen_ops(s, &socket_read_ops); + if (mode[0] == 'w') { + s->file = qemu_fopen_ops(s, &socket_write_ops); + } else { + s->file = qemu_fopen_ops(s, &socket_read_ops); + } return s->file; } |