X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Fupload.c;h=a1a37aee85fd7d10141c4c18b89d32904ae790b1;hb=168fd4ad5d1e5da93e11388095d41aaa8f804ceb;hp=623ad3a171e0380258d9edcc016e15cf683cf2d1;hpb=5d4ae18e2b93073080fbbf8c98b11eec15dbc1e6;p=libguestfs.git diff --git a/daemon/upload.c b/daemon/upload.c index 623ad3a..a1a37ae 100644 --- a/daemon/upload.c +++ b/daemon/upload.c @@ -27,68 +27,83 @@ #include #include -#include "../src/guestfs_protocol.h" +#include "guestfs_protocol.h" #include "daemon.h" #include "actions.h" +struct write_cb_data { + int fd; /* file descriptor */ + uint64_t written; /* bytes written so far */ +}; + static int -write_cb (void *fd_ptr, const void *buf, size_t len) +write_cb (void *data_vp, const void *buf, size_t len) { - int fd = *(int *)fd_ptr; - return xwrite (fd, buf, len); + struct write_cb_data *data = data_vp; + int r; + + r = xwrite (data->fd, buf, len); + if (r == -1) + return -1; + + data->written += len; + + if (progress_hint > 0) + notify_progress (data->written, progress_hint); + + return 0; } /* Has one FileIn parameter. */ static int upload (const char *filename, int flags, int64_t offset) { - int err, fd, r, is_dev; + struct write_cb_data data = { .written = 0 }; + int err, r, is_dev; is_dev = STRPREFIX (filename, "/dev/"); if (!is_dev) CHROOT_IN; - fd = open (filename, flags, 0666); + data.fd = open (filename, flags, 0666); if (!is_dev) CHROOT_OUT; - if (fd == -1) { + if (data.fd == -1) { err = errno; r = cancel_receive (); errno = err; - if (r != -2) reply_with_perror ("%s", filename); + reply_with_perror ("%s", filename); return -1; } if (offset) { - if (lseek (fd, offset, SEEK_SET) == -1) { + if (lseek (data.fd, offset, SEEK_SET) == -1) { err = errno; r = cancel_receive (); errno = err; - if (r != -2) reply_with_perror ("lseek: %s", filename); + reply_with_perror ("lseek: %s", filename); return -1; } } - r = receive_file (write_cb, &fd); + r = receive_file (write_cb, &data.fd); if (r == -1) { /* write error */ err = errno; r = cancel_receive (); errno = err; - if (r != -2) reply_with_error ("write error: %s", filename); - close (fd); + reply_with_error ("write error: %s", filename); + close (data.fd); return -1; } if (r == -2) { /* cancellation from library */ - close (fd); - /* Do NOT send any error. */ + /* This error is ignored by the library since it initiated the + * cancel. Nevertheless we must send an error reply here. + */ + reply_with_error ("file upload cancelled"); + close (data.fd); return -1; } - if (close (fd) == -1) { - err = errno; - if (r == -1) /* if r == 0, file transfer ended already */ - r = cancel_receive (); - errno = err; - if (r != -2) - reply_with_perror ("close: %s", filename); + if (close (data.fd) == -1) { + reply_with_perror ("close: %s", filename); return -1; }