From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:40226) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Spj7j-0002nO-RQ for qemu-devel@nongnu.org; Fri, 13 Jul 2012 12:53:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Spj7h-00075H-PZ for qemu-devel@nongnu.org; Fri, 13 Jul 2012 12:53:47 -0400 Received: from mx1.redhat.com ([209.132.183.28]:27007) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Spj7h-00075D-H9 for qemu-devel@nongnu.org; Fri, 13 Jul 2012 12:53:45 -0400 From: Luiz Capitulino Date: Fri, 13 Jul 2012 13:53:22 -0300 Message-Id: <1342198402-20666-4-git-send-email-lcapitulino@redhat.com> In-Reply-To: <1342198402-20666-1-git-send-email-lcapitulino@redhat.com> References: <1342198402-20666-1-git-send-email-lcapitulino@redhat.com> Subject: [Qemu-devel] [PATCH 3/3] qapi: Convert getfd and closefd List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: aliguori@us.ibm.com Cc: Corey Bryant , qemu-devel@nongnu.org From: Corey Bryant Signed-off-by: Corey Bryant Signed-off-by: Luiz Capitulino --- hmp-commands.hx | 6 ++---- hmp.c | 18 ++++++++++++++++++ hmp.h | 2 ++ monitor.c | 32 ++++++++++++++------------------ qapi-schema.json | 35 +++++++++++++++++++++++++++++++++++ qmp-commands.hx | 14 ++++++++++---- 6 files changed, 81 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 4c6d4ae..6b72a64 100644 --- a/hmp.c +++ b/hmp.c @@ -1002,3 +1002,21 @@ 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 f6107ba..522c88b 100644 --- a/monitor.c +++ b/monitor.c @@ -2328,48 +2328,45 @@ 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); } -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; } @@ -2378,11 +2375,10 @@ 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); } static void do_loadvm(Monitor *mon, const QDict *qdict) diff --git a/qapi-schema.json b/qapi-schema.json index 5252452..a92adb1 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -1870,3 +1870,38 @@ # 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 +# +# Notes: If @fdname already exists, the file descriptor assigned to +# it will be closed and replaced by the received file +# descriptor. +# The 'closefd' command can be used to explicitly close the +# file descriptor when it is no longer needed. +## +{ '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..e3cf3c5 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 @@ -892,6 +891,14 @@ Example: -> { "execute": "getfd", "arguments": { "fdname": "fd1" } } <- { "return": {} } +Notes: + +(1) If the name specified by the "fdname" argument already exists, + the file descriptor assigned to it will be closed and replaced + by the received file descriptor. +(2) The 'closefd' command can be used to explicitly close the file + descriptor when it is no longer needed. + EQMP { @@ -899,8 +906,7 @@ 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 -- 1.7.11.1.116.g8228a23