[libvirt] [Qemu-devel] [PATCH v2 1/4] qapi: Convert getfd and closefd
Luiz Capitulino
lcapitulino at redhat.com
Wed Jun 13 20:41:23 UTC 2012
On Wed, 13 Jun 2012 16:17:30 -0400
Corey Bryant <coreyb at linux.vnet.ibm.com> wrote:
>
>
> On 06/13/2012 03:42 PM, Luiz Capitulino wrote:
> > On Fri, 8 Jun 2012 11:42:56 -0400
> > Corey Bryant <coreyb at linux.vnet.ibm.com> wrote:
> >
> >> v2:
> >> - Convert getfd and closefd to QAPI (lcapitulino at redhat.com)
> >> - Remove changes that returned fd from getfd (lcapitulino at redhat.com)
> >> - Wrap hmp_* functions around qmp_* functions (kwolf at redhat.com)
> >> - Move hmp_* functions to hmp.c (lcapitulino at redhat.com)
> >> - Drop .user_print lines (lcapitulino at redhat.com)
> >> - Use 'cmd' instead of 'cmd_new' for HMP (lcapitulino at redhat.com)
> >> - Change QMP command existance back to 0.14 (lcapitulino at redhat.com)
> >
> > Btw, having the changelog like this is not nice because it becomes part
> > of the history. It's better to move it after the '---' line, so that
> > git ignores it.
> >
>
> I see your point and I can do this in v3. But can I add text after the
> '---' line in the commit message via 'git commit' or do I have to
> manually edit the patches?
I don't know of an automated way of doing this, I'd export the patches with
git format-patch and edit them manually.
But I usually put changelog in the intro patch.
>
> >>
> >> Signed-off-by: Corey Bryant <coreyb at linux.vnet.ibm.com>
> >> ---
> >> hmp-commands.hx | 6 ++----
> >> hmp.c | 18 ++++++++++++++++++
> >> hmp.h | 2 ++
> >> monitor.c | 34 ++++++++++++++++------------------
> >> qapi-schema.json | 29 +++++++++++++++++++++++++++++
> >> qmp-commands.hx | 6 ++----
> >> 6 files changed, 69 insertions(+), 26 deletions(-)
> >>
> >> diff --git a/hmp-commands.hx b/hmp-commands.hx
> >> index f5d9d91..eea8b32 100644
> >> --- a/hmp-commands.hx
> >> +++ b/hmp-commands.hx
> >> @@ -1236,8 +1236,7 @@ ETEXI
> >> .args_type = "fdname:s",
> >> .params = "getfd name",
> >> .help = "receive a file descriptor via SCM rights and assign it a name",
> >> - .user_print = monitor_user_noop,
> >> - .mhandler.cmd_new = do_getfd,
> >> + .mhandler.cmd = hmp_getfd,
> >> },
> >>
> >> STEXI
> >> @@ -1253,8 +1252,7 @@ ETEXI
> >> .args_type = "fdname:s",
> >> .params = "closefd name",
> >> .help = "close a file descriptor previously passed via SCM rights",
> >> - .user_print = monitor_user_noop,
> >> - .mhandler.cmd_new = do_closefd,
> >> + .mhandler.cmd = hmp_closefd,
> >> },
> >>
> >> STEXI
> >> diff --git a/hmp.c b/hmp.c
> >> index 2ce8cb9..6241856 100644
> >> --- a/hmp.c
> >> +++ b/hmp.c
> >> @@ -999,3 +999,21 @@ void hmp_netdev_del(Monitor *mon, const QDict *qdict)
> >> qmp_netdev_del(id, &err);
> >> hmp_handle_error(mon, &err);
> >> }
> >> +
> >> +void hmp_getfd(Monitor *mon, const QDict *qdict)
> >> +{
> >> + const char *fdname = qdict_get_str(qdict, "fdname");
> >> + Error *errp = NULL;
> >> +
> >> + qmp_getfd(fdname, &errp);
> >> + hmp_handle_error(mon, &errp);
> >> +}
> >> +
> >> +void hmp_closefd(Monitor *mon, const QDict *qdict)
> >> +{
> >> + const char *fdname = qdict_get_str(qdict, "fdname");
> >> + Error *errp = NULL;
> >> +
> >> + qmp_closefd(fdname, &errp);
> >> + hmp_handle_error(mon, &errp);
> >> +}
> >> diff --git a/hmp.h b/hmp.h
> >> index 79d138d..8d2b0d7 100644
> >> --- a/hmp.h
> >> +++ b/hmp.h
> >> @@ -64,5 +64,7 @@ void hmp_device_del(Monitor *mon, const QDict *qdict);
> >> void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict);
> >> void hmp_netdev_add(Monitor *mon, const QDict *qdict);
> >> void hmp_netdev_del(Monitor *mon, const QDict *qdict);
> >> +void hmp_getfd(Monitor *mon, const QDict *qdict);
> >> +void hmp_closefd(Monitor *mon, const QDict *qdict);
> >>
> >> #endif
> >> diff --git a/monitor.c b/monitor.c
> >> index a3bc2c7..4c53cb6 100644
> >> --- a/monitor.c
> >> +++ b/monitor.c
> >> @@ -2182,48 +2182,46 @@ static void do_inject_mce(Monitor *mon, const QDict *qdict)
> >> }
> >> #endif
> >>
> >> -static int do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
> >> +void qmp_getfd(const char *fdname, Error **errp)
> >> {
> >> - const char *fdname = qdict_get_str(qdict, "fdname");
> >> mon_fd_t *monfd;
> >> int fd;
> >>
> >> - fd = qemu_chr_fe_get_msgfd(mon->chr);
> >> + fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
> >> if (fd == -1) {
> >> - qerror_report(QERR_FD_NOT_SUPPLIED);
> >> - return -1;
> >> + error_set(errp, QERR_FD_NOT_SUPPLIED);
> >> + return;
> >> }
> >>
> >> if (qemu_isdigit(fdname[0])) {
> >> - qerror_report(QERR_INVALID_PARAMETER_VALUE, "fdname",
> >> - "a name not starting with a digit");
> >> - return -1;
> >> + error_set(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
> >> + "a name not starting with a digit");
> >> + return;
> >> }
> >>
> >> - QLIST_FOREACH(monfd, &mon->fds, next) {
> >> + QLIST_FOREACH(monfd, &cur_mon->fds, next) {
> >> if (strcmp(monfd->name, fdname) != 0) {
> >> continue;
> >> }
> >>
> >> close(monfd->fd);
> >> monfd->fd = fd;
> >> - return 0;
> >> + return;
> >> }
> >>
> >> monfd = g_malloc0(sizeof(mon_fd_t));
> >> monfd->name = g_strdup(fdname);
> >> monfd->fd = fd;
> >>
> >> - QLIST_INSERT_HEAD(&mon->fds, monfd, next);
> >> - return 0;
> >> + QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
> >> + return;
> >> }
> >>
> >> -static int do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
> >> +void qmp_closefd(const char *fdname, Error **errp)
> >> {
> >> - const char *fdname = qdict_get_str(qdict, "fdname");
> >> mon_fd_t *monfd;
> >>
> >> - QLIST_FOREACH(monfd, &mon->fds, next) {
> >> + QLIST_FOREACH(monfd, &cur_mon->fds, next) {
> >> if (strcmp(monfd->name, fdname) != 0) {
> >> continue;
> >> }
> >> @@ -2232,11 +2230,11 @@ static int do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
> >> close(monfd->fd);
> >> g_free(monfd->name);
> >> g_free(monfd);
> >> - return 0;
> >> + return;
> >> }
> >>
> >> - qerror_report(QERR_FD_NOT_FOUND, fdname);
> >> - return -1;
> >> + error_set(errp, QERR_FD_NOT_FOUND, fdname);
> >> + return;
> >> }
> >>
> >> static void do_loadvm(Monitor *mon, const QDict *qdict)
> >> diff --git a/qapi-schema.json b/qapi-schema.json
> >> index 3b6e346..6be1d90 100644
> >> --- a/qapi-schema.json
> >> +++ b/qapi-schema.json
> >> @@ -1862,3 +1862,32 @@
> >> # Since: 0.14.0
> >> ##
> >> { 'command': 'netdev_del', 'data': {'id': 'str'} }
> >> +
> >> +##
> >> +# @getfd:
> >> +#
> >> +# Receive a file descriptor via SCM rights and assign it a name
> >> +#
> >> +# @fdname: file descriptor name
> >> +#
> >> +# Returns: Nothing on success
> >> +# If file descriptor was not received, FdNotSupplied
> >> +# If @fdname is not valid, InvalidParameterType
> >> +#
> >> +# Since: 0.14.0
> >> +##
> >> +{ 'command': 'getfd', 'data': {'fdname': 'str'} }
> >> +
> >> +##
> >> +# @closefd:
> >> +#
> >> +# Close a file descriptor previously passed via SCM rights
> >> +#
> >> +# @fdname: file descriptor name
> >> +#
> >> +# Returns: Nothing on success
> >> +# If @fdname is not found, FdNotFound
> >> +#
> >> +# Since: 0.14.0
> >> +##
> >> +{ 'command': 'closefd', 'data': {'fdname': 'str'} }
> >> diff --git a/qmp-commands.hx b/qmp-commands.hx
> >> index 2e1a38e..f8c0f68 100644
> >> --- a/qmp-commands.hx
> >> +++ b/qmp-commands.hx
> >> @@ -873,8 +873,7 @@ EQMP
> >> .args_type = "fdname:s",
> >> .params = "getfd name",
> >> .help = "receive a file descriptor via SCM rights and assign it a name",
> >> - .user_print = monitor_user_noop,
> >> - .mhandler.cmd_new = do_getfd,
> >> + .mhandler.cmd_new = qmp_marshal_input_getfd,
> >> },
> >>
> >> SQMP
> >> @@ -899,8 +898,7 @@ EQMP
> >> .args_type = "fdname:s",
> >> .params = "closefd name",
> >> .help = "close a file descriptor previously passed via SCM rights",
> >> - .user_print = monitor_user_noop,
> >> - .mhandler.cmd_new = do_closefd,
> >> + .mhandler.cmd_new = qmp_marshal_input_closefd,
> >> },
> >>
> >> SQMP
> >
> >
>
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