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Diffstat (limited to 'qemu-file.c')
-rw-r--r--qemu-file.c195
1 files changed, 0 insertions, 195 deletions
diff --git a/qemu-file.c b/qemu-file.c
index 9cb12239e5..09488a0817 100644
--- a/qemu-file.c
+++ b/qemu-file.c
@@ -56,63 +56,6 @@ typedef struct QEMUFileStdio {
QEMUFile *file;
} QEMUFileStdio;
-typedef struct QEMUFileSocket {
- int fd;
- QEMUFile *file;
-} QEMUFileSocket;
-
-static ssize_t socket_writev_buffer(void *opaque, struct iovec *iov, int iovcnt,
- int64_t pos)
-{
- QEMUFileSocket *s = opaque;
- ssize_t len;
- ssize_t size = iov_size(iov, iovcnt);
-
- len = iov_send(s->fd, iov, iovcnt, 0, size);
- if (len < size) {
- len = -socket_error();
- }
- return len;
-}
-
-static int socket_get_fd(void *opaque)
-{
- QEMUFileSocket *s = opaque;
-
- return s->fd;
-}
-
-static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
-{
- QEMUFileSocket *s = opaque;
- ssize_t len;
-
- for (;;) {
- len = qemu_recv(s->fd, buf, size, 0);
- if (len != -1) {
- break;
- }
- if (socket_error() == EAGAIN) {
- yield_until_fd_readable(s->fd);
- } else if (socket_error() != EINTR) {
- break;
- }
- }
-
- if (len == -1) {
- len = -socket_error();
- }
- return len;
-}
-
-static int socket_close(void *opaque)
-{
- QEMUFileSocket *s = opaque;
- closesocket(s->fd);
- g_free(s);
- return 0;
-}
-
static int stdio_get_fd(void *opaque)
{
QEMUFileStdio *s = opaque;
@@ -250,125 +193,6 @@ static const QEMUFileOps stdio_file_write_ops = {
.close = stdio_fclose
};
-static ssize_t unix_writev_buffer(void *opaque, struct iovec *iov, int iovcnt,
- int64_t pos)
-{
- QEMUFileSocket *s = opaque;
- ssize_t len, offset;
- ssize_t size = iov_size(iov, iovcnt);
- ssize_t total = 0;
-
- assert(iovcnt > 0);
- offset = 0;
- while (size > 0) {
- /* Find the next start position; skip all full-sized vector elements */
- while (offset >= iov[0].iov_len) {
- offset -= iov[0].iov_len;
- iov++, iovcnt--;
- }
-
- /* skip `offset' bytes from the (now) first element, undo it on exit */
- assert(iovcnt > 0);
- iov[0].iov_base += offset;
- iov[0].iov_len -= offset;
-
- do {
- len = writev(s->fd, iov, iovcnt);
- } while (len == -1 && errno == EINTR);
- if (len == -1) {
- return -errno;
- }
-
- /* Undo the changes above */
- iov[0].iov_base -= offset;
- iov[0].iov_len += offset;
-
- /* Prepare for the next iteration */
- offset += len;
- total += len;
- size -= len;
- }
-
- return total;
-}
-
-static int unix_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
-{
- QEMUFileSocket *s = opaque;
- ssize_t len;
-
- for (;;) {
- len = read(s->fd, buf, size);
- if (len != -1) {
- break;
- }
- if (errno == EAGAIN) {
- yield_until_fd_readable(s->fd);
- } else if (errno != EINTR) {
- break;
- }
- }
-
- if (len == -1) {
- len = -errno;
- }
- return len;
-}
-
-static int unix_close(void *opaque)
-{
- QEMUFileSocket *s = opaque;
- close(s->fd);
- g_free(s);
- return 0;
-}
-
-static const QEMUFileOps unix_read_ops = {
- .get_fd = socket_get_fd,
- .get_buffer = unix_get_buffer,
- .close = unix_close
-};
-
-static const QEMUFileOps unix_write_ops = {
- .get_fd = socket_get_fd,
- .writev_buffer = unix_writev_buffer,
- .close = unix_close
-};
-
-QEMUFile *qemu_fdopen(int fd, const char *mode)
-{
- QEMUFileSocket *s;
-
- if (mode == NULL ||
- (mode[0] != 'r' && mode[0] != 'w') ||
- mode[1] != 'b' || mode[2] != 0) {
- fprintf(stderr, "qemu_fdopen: Argument validity check failed\n");
- return NULL;
- }
-
- s = g_malloc0(sizeof(QEMUFileSocket));
- s->fd = fd;
-
- if (mode[0] == 'r') {
- s->file = qemu_fopen_ops(s, &unix_read_ops);
- } else {
- s->file = qemu_fopen_ops(s, &unix_write_ops);
- }
- return s->file;
-}
-
-static const QEMUFileOps socket_read_ops = {
- .get_fd = socket_get_fd,
- .get_buffer = socket_get_buffer,
- .close = socket_close
-};
-
-static const QEMUFileOps socket_write_ops = {
- .get_fd = socket_get_fd,
- .writev_buffer = socket_writev_buffer,
- .close = socket_close
-};
-
bool qemu_file_mode_is_not_valid(const char *mode)
{
if (mode == NULL ||
@@ -381,25 +205,6 @@ bool qemu_file_mode_is_not_valid(const char *mode)
return false;
}
-QEMUFile *qemu_fopen_socket(int fd, const char *mode)
-{
- QEMUFileSocket *s;
-
- if (qemu_file_mode_is_not_valid(mode)) {
- return NULL;
- }
-
- s = g_malloc0(sizeof(QEMUFileSocket));
- s->fd = fd;
- if (mode[0] == 'w') {
- qemu_set_block(s->fd);
- s->file = qemu_fopen_ops(s, &socket_write_ops);
- } else {
- s->file = qemu_fopen_ops(s, &socket_read_ops);
- }
- return s->file;
-}
-
QEMUFile *qemu_fopen(const char *filename, const char *mode)
{
QEMUFileStdio *s;