[Libguestfs] [PATCH 3/4] lib: Rename g->fd to console_sock and g->sock to daemon_sock.

From: "Richard W.M. Jones" <rjones@redhat.com> This just renames the fields in the handle to more descriptive names. There is no functional change. --- src/guestfs-internal.h | 4 +-- src/handle.c | 16 +++++------ src/launch-appliance.c | 30 ++++++++++----------- src/launch-libvirt.c | 32 +++++++++++----------- src/launch-unix.c | 14 +++++----- src/proto.c | 72 +++++++++++++++++++++++++------------------------- 6 files changed, 84 insertions(+), 84 deletions(-) diff --git a/src/guestfs-internal.h b/src/guestfs-internal.h index 4c632e8..c63ea40 100644 --- a/src/guestfs-internal.h +++ b/src/guestfs-internal.h @@ -263,8 +263,8 @@ struct guestfs_h int unique; /*** Protocol. ***/ - int fd; /* Stdin/stdout of qemu. */ - int sock; /* Daemon communications socket. */ + int console_sock; /* Appliance console (for debug info). */ + int daemon_sock; /* Daemon communications socket. */ int msg_next_serial; #if HAVE_FUSE diff --git a/src/handle.c b/src/handle.c index cefe385..47a2246 100644 --- a/src/handle.c +++ b/src/handle.c @@ -91,8 +91,8 @@ guestfs_create_flags (unsigned flags, ...) g->state = CONFIG; - g->fd = -1; - g->sock = -1; + g->console_sock = -1; + g->daemon_sock = -1; guestfs___init_error_handler (g); g->abort_cb = abort; @@ -366,12 +366,12 @@ shutdown_backend (guestfs_h *g, int check_for_errors) } /* Close sockets. */ - if (g->fd >= 0) - close (g->fd); - if (g->sock >= 0) - close (g->sock); - g->fd = -1; - g->sock = -1; + if (g->console_sock >= 0) + close (g->console_sock); + if (g->daemon_sock >= 0) + close (g->daemon_sock); + g->console_sock = -1; + g->daemon_sock = -1; if (g->attach_ops->shutdown (g, check_for_errors) == -1) ret = -1; diff --git a/src/launch-appliance.c b/src/launch-appliance.c index 30c139e..99bc541 100644 --- a/src/launch-appliance.c +++ b/src/launch-appliance.c @@ -210,13 +210,13 @@ launch_appliance (guestfs_h *g, const char *arg) snprintf (guestfsd_sock, sizeof guestfsd_sock, "%s/guestfsd.sock", g->tmpdir); unlink (guestfsd_sock); - g->sock = socket (AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); - if (g->sock == -1) { + g->daemon_sock = socket (AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); + if (g->daemon_sock == -1) { perrorf (g, "socket"); goto cleanup0; } - if (fcntl (g->sock, F_SETFL, O_NONBLOCK) == -1) { + if (fcntl (g->daemon_sock, F_SETFL, O_NONBLOCK) == -1) { perrorf (g, "fcntl"); goto cleanup0; } @@ -225,12 +225,12 @@ launch_appliance (guestfs_h *g, const char *arg) strncpy (addr.sun_path, guestfsd_sock, UNIX_PATH_MAX); addr.sun_path[UNIX_PATH_MAX-1] = '\0'; - if (bind (g->sock, &addr, sizeof addr) == -1) { + if (bind (g->daemon_sock, &addr, sizeof addr) == -1) { perrorf (g, "bind"); goto cleanup0; } - if (listen (g->sock, 1) == -1) { + if (listen (g->daemon_sock, 1) == -1) { perrorf (g, "listen"); goto cleanup0; } @@ -611,7 +611,7 @@ launch_appliance (guestfs_h *g, const char *arg) goto cleanup1; } - g->fd = sv[0]; /* stdin of child */ + g->console_sock = sv[0]; /* stdin of child */ sv[0] = -1; } @@ -632,15 +632,15 @@ launch_appliance (guestfs_h *g, const char *arg) */ /* Close the listening socket. */ - if (close (g->sock) != 0) { + if (close (g->daemon_sock) != 0) { perrorf (g, "close: listening socket"); close (r); - g->sock = -1; + g->daemon_sock = -1; goto cleanup1; } - g->sock = r; /* This is the accepted data socket. */ + g->daemon_sock = r; /* This is the accepted data socket. */ - if (fcntl (g->sock, F_SETFL, O_NONBLOCK) == -1) { + if (fcntl (g->daemon_sock, F_SETFL, O_NONBLOCK) == -1) { perrorf (g, "fcntl"); goto cleanup1; } @@ -686,16 +686,16 @@ launch_appliance (guestfs_h *g, const char *arg) if (g->app.recoverypid > 0) kill (g->app.recoverypid, 9); if (g->app.pid > 0) waitpid (g->app.pid, NULL, 0); if (g->app.recoverypid > 0) waitpid (g->app.recoverypid, NULL, 0); - if (g->fd >= 0) close (g->fd); - g->fd = -1; + if (g->console_sock >= 0) close (g->console_sock); + g->console_sock = -1; g->app.pid = 0; g->app.recoverypid = 0; memset (&g->launch_t, 0, sizeof g->launch_t); cleanup0: - if (g->sock >= 0) { - close (g->sock); - g->sock = -1; + if (g->daemon_sock >= 0) { + close (g->daemon_sock); + g->daemon_sock = -1; } g->state = CONFIG; return -1; diff --git a/src/launch-libvirt.c b/src/launch-libvirt.c index caad5d4..d771392 100644 --- a/src/launch-libvirt.c +++ b/src/launch-libvirt.c @@ -258,13 +258,13 @@ launch_libvirt (guestfs_h *g, const char *libvirt_uri) set_socket_create_context (g); - g->sock = socket (AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); - if (g->sock == -1) { + g->daemon_sock = socket (AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); + if (g->daemon_sock == -1) { perrorf (g, "socket"); goto cleanup; } - if (fcntl (g->sock, F_SETFL, O_NONBLOCK) == -1) { + if (fcntl (g->daemon_sock, F_SETFL, O_NONBLOCK) == -1) { perrorf (g, "fcntl"); goto cleanup; } @@ -272,12 +272,12 @@ launch_libvirt (guestfs_h *g, const char *libvirt_uri) addr.sun_family = AF_UNIX; memcpy (addr.sun_path, params.guestfsd_sock, UNIX_PATH_MAX); - if (bind (g->sock, &addr, sizeof addr) == -1) { + if (bind (g->daemon_sock, &addr, sizeof addr) == -1) { perrorf (g, "bind"); goto cleanup; } - if (listen (g->sock, 1) == -1) { + if (listen (g->daemon_sock, 1) == -1) { perrorf (g, "listen"); goto cleanup; } @@ -399,7 +399,7 @@ launch_libvirt (guestfs_h *g, const char *libvirt_uri) goto cleanup; } console = -1; - g->fd = r; /* This is the accepted console socket. */ + g->console_sock = r; /* This is the accepted console socket. */ /* Wait for libvirt domain to start and to connect back to us via * virtio-serial and send the GUESTFS_LAUNCH_FLAG message. @@ -416,15 +416,15 @@ launch_libvirt (guestfs_h *g, const char *libvirt_uri) */ /* Close the listening socket. */ - if (close (g->sock) == -1) { + if (close (g->daemon_sock) == -1) { perrorf (g, "close: listening socket"); close (r); - g->sock = -1; + g->daemon_sock = -1; goto cleanup; } - g->sock = r; /* This is the accepted data socket. */ + g->daemon_sock = r; /* This is the accepted data socket. */ - if (fcntl (g->sock, F_SETFL, O_NONBLOCK) == -1) { + if (fcntl (g->daemon_sock, F_SETFL, O_NONBLOCK) == -1) { perrorf (g, "fcntl"); goto cleanup; } @@ -475,13 +475,13 @@ launch_libvirt (guestfs_h *g, const char *libvirt_uri) if (console >= 0) close (console); - if (g->fd >= 0) { - close (g->fd); - g->fd = -1; + if (g->console_sock >= 0) { + close (g->console_sock); + g->console_sock = -1; } - if (g->sock >= 0) { - close (g->sock); - g->sock = -1; + if (g->daemon_sock >= 0) { + close (g->daemon_sock); + g->daemon_sock = -1; } if (dom) { diff --git a/src/launch-unix.c b/src/launch-unix.c index a7a3ae2..69de2f7 100644 --- a/src/launch-unix.c +++ b/src/launch-unix.c @@ -49,13 +49,13 @@ launch_unix (guestfs_h *g, const char *sockpath) /* Set this to nothing so we don't try to read from a random file * descriptor. */ - g->fd = -1; + g->console_sock = -1; if (g->verbose) guestfs___print_timestamped_message (g, "connecting to %s", sockpath); - g->sock = socket (AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); - if (g->sock == -1) { + g->daemon_sock = socket (AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); + if (g->daemon_sock == -1) { perrorf (g, "socket"); return -1; } @@ -66,12 +66,12 @@ launch_unix (guestfs_h *g, const char *sockpath) g->state = LAUNCHING; - if (connect (g->sock, &addr, sizeof addr) == -1) { + if (connect (g->daemon_sock, &addr, sizeof addr) == -1) { perrorf (g, "bind"); goto cleanup; } - if (fcntl (g->sock, F_SETFL, O_NONBLOCK) == -1) { + if (fcntl (g->daemon_sock, F_SETFL, O_NONBLOCK) == -1) { perrorf (g, "fcntl"); goto cleanup; } @@ -97,14 +97,14 @@ launch_unix (guestfs_h *g, const char *sockpath) return 0; cleanup: - close (g->sock); + close (g->daemon_sock); return -1; } static int shutdown_unix (guestfs_h *g, int check_for_errors) { - /* Merely closing g->sock is sufficient and that is already done + /* Merely closing g->daemon_sock is sufficient and that is already done * in the calling code. */ return 0; diff --git a/src/proto.c b/src/proto.c index 57cb609..569b805 100644 --- a/src/proto.c +++ b/src/proto.c @@ -161,10 +161,10 @@ child_cleanup (guestfs_h *g) debug (g, "child_cleanup: %p: child process died", g); g->attach_ops->shutdown (g, 0); - if (g->fd >= 0) close (g->fd); - close (g->sock); - g->fd = -1; - g->sock = -1; + if (g->console_sock >= 0) close (g->console_sock); + close (g->daemon_sock); + g->console_sock = -1; + g->daemon_sock = -1; memset (&g->launch_t, 0, sizeof g->launch_t); guestfs___free_drives (g); g->state = CONFIG; @@ -383,12 +383,12 @@ send_to_daemon (guestfs_h *g, const void *v_buf, size_t n) FD_ZERO (&rset); FD_ZERO (&wset); - if (g->fd >= 0) /* Read qemu stdout for log messages & EOF. */ - FD_SET (g->fd, &rset); - FD_SET (g->sock, &rset); /* Read socket for cancellation & EOF. */ - FD_SET (g->sock, &wset); /* Write to socket to send the data. */ + if (g->console_sock >= 0) /* Read qemu stdout for log messages & EOF. */ + FD_SET (g->console_sock, &rset); + FD_SET (g->daemon_sock, &rset); /* Read socket for cancellation & EOF. */ + FD_SET (g->daemon_sock, &wset); /* Write to socket to send the data. */ - int max_fd = MAX (g->sock, g->fd); + int max_fd = MAX (g->daemon_sock, g->console_sock); while (n > 0) { rset2 = rset; @@ -401,12 +401,12 @@ send_to_daemon (guestfs_h *g, const void *v_buf, size_t n) return -1; } - if (g->fd >= 0 && FD_ISSET (g->fd, &rset2)) { - if (read_log_message_or_eof (g, g->fd, 0) == -1) + if (g->console_sock >= 0 && FD_ISSET (g->console_sock, &rset2)) { + if (read_log_message_or_eof (g, g->console_sock, 0) == -1) return -1; } - if (FD_ISSET (g->sock, &rset2)) { - r = check_for_daemon_cancellation_or_eof (g, g->sock); + if (FD_ISSET (g->daemon_sock, &rset2)) { + r = check_for_daemon_cancellation_or_eof (g, g->daemon_sock); if (r == -1) return r; if (r == -2) { @@ -414,15 +414,15 @@ send_to_daemon (guestfs_h *g, const void *v_buf, size_t n) * synchronization we must write out the remainder of the * write buffer before we return (RHBZ#576879). */ - if (xwrite (g->sock, buf, n) == -1) { + if (xwrite (g->daemon_sock, buf, n) == -1) { perrorf (g, "write"); return -1; } return -2; /* cancelled */ } } - if (FD_ISSET (g->sock, &wset2)) { - r = write (g->sock, buf, n); + if (FD_ISSET (g->daemon_sock, &wset2)) { + r = write (g->daemon_sock, buf, n); if (r == -1) { if (errno == EINTR || errno == EAGAIN) continue; @@ -507,18 +507,18 @@ recv_from_daemon (guestfs_h *g, uint32_t *size_rtn, void **buf_rtn) * socket connection just before this function is called, so just * return an error if this happens. */ - if (g->sock == -1) { + if (g->daemon_sock == -1) { unexpected_closed_connection_from_daemon_error (g); return -1; } FD_ZERO (&rset); - if (g->fd >= 0) /* Read qemu stdout for log messages & EOF. */ - FD_SET (g->fd, &rset); - FD_SET (g->sock, &rset); /* Read socket for data & EOF. */ + if (g->console_sock >= 0) /* Read qemu stdout for log messages & EOF. */ + FD_SET (g->console_sock, &rset); + FD_SET (g->daemon_sock, &rset); /* Read socket for data & EOF. */ - max_fd = MAX (g->sock, g->fd); + max_fd = MAX (g->daemon_sock, g->console_sock); *size_rtn = 0; *buf_rtn = NULL; @@ -546,16 +546,16 @@ recv_from_daemon (guestfs_h *g, uint32_t *size_rtn, void **buf_rtn) return -1; } - if (g->fd >= 0 && FD_ISSET (g->fd, &rset2)) { - if (read_log_message_or_eof (g, g->fd, 0) == -1) { + if (g->console_sock >= 0 && FD_ISSET (g->console_sock, &rset2)) { + if (read_log_message_or_eof (g, g->console_sock, 0) == -1) { free (*buf_rtn); *buf_rtn = NULL; return -1; } } - if (FD_ISSET (g->sock, &rset2)) { + if (FD_ISSET (g->daemon_sock, &rset2)) { if (nr < 0) { /* Have we read the message length word yet? */ - r = read (g->sock, lenbuf+nr+4, -nr); + r = read (g->daemon_sock, lenbuf+nr+4, -nr); if (r == -1) { if (errno == EINTR || errno == EAGAIN) continue; @@ -623,7 +623,7 @@ recv_from_daemon (guestfs_h *g, uint32_t *size_rtn, void **buf_rtn) size_t sizetoread = message_size - nr; if (sizetoread > BUFSIZ) sizetoread = BUFSIZ; - r = read (g->sock, (char *) (*buf_rtn) + nr, sizetoread); + r = read (g->daemon_sock, (char *) (*buf_rtn) + nr, sizetoread); if (r == -1) { if (errno == EINTR || errno == EAGAIN) continue; @@ -712,7 +712,7 @@ guestfs___recv_from_daemon (guestfs_h *g, uint32_t *size_rtn, void **buf_rtn) return 0; } -/* This is very much like recv_from_daemon above, but g->sock is +/* This is very much like recv_from_daemon above, but g->daemon_sock is * a listening socket and we are accepting a new connection on * that socket instead of reading anything. Returns the newly * accepted socket. @@ -726,11 +726,11 @@ guestfs___accept_from_daemon (guestfs_h *g) FD_ZERO (&rset); - if (g->fd >= 0) /* Read qemu stdout for log messages & EOF. */ - FD_SET (g->fd, &rset); - FD_SET (g->sock, &rset); /* Read socket for accept. */ + if (g->console_sock >= 0) /* Read qemu stdout for log messages & EOF. */ + FD_SET (g->console_sock, &rset); + FD_SET (g->daemon_sock, &rset); /* Read socket for accept. */ - int max_fd = MAX (g->sock, g->fd); + int max_fd = MAX (g->daemon_sock, g->console_sock); int sock = -1; while (sock == -1) { @@ -758,12 +758,12 @@ guestfs___accept_from_daemon (guestfs_h *g) return -1; } - if (g->fd >= 0 && FD_ISSET (g->fd, &rset2)) { - if (read_log_message_or_eof (g, g->fd, 1) == -1) + if (g->console_sock >= 0 && FD_ISSET (g->console_sock, &rset2)) { + if (read_log_message_or_eof (g, g->console_sock, 1) == -1) return -1; } - if (FD_ISSET (g->sock, &rset2)) { - sock = accept4 (g->sock, NULL, NULL, SOCK_CLOEXEC); + if (FD_ISSET (g->daemon_sock, &rset2)) { + sock = accept4 (g->daemon_sock, NULL, NULL, SOCK_CLOEXEC); if (sock == -1) { if (errno == EINTR || errno == EAGAIN) continue; @@ -1154,7 +1154,7 @@ guestfs___recv_file (guestfs_h *g, const char *filename) xdr_uint32_t (&xdr, &flag); xdr_destroy (&xdr); - if (xwrite (g->sock, fbuf, sizeof fbuf) == -1) { + if (xwrite (g->daemon_sock, fbuf, sizeof fbuf) == -1) { perrorf (g, _("write to daemon socket")); return -1; } -- 1.8.1.4