From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48237) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WQ8sW-0006jl-0w for qemu-devel@nongnu.org; Wed, 19 Mar 2014 01:17:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WQ8sN-0002Yo-KO for qemu-devel@nongnu.org; Wed, 19 Mar 2014 01:17:23 -0400 Received: from mail-pa0-x234.google.com ([2607:f8b0:400e:c03::234]:38702) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WQ8sN-0002Yk-DM for qemu-devel@nongnu.org; Wed, 19 Mar 2014 01:17:15 -0400 Received: by mail-pa0-f52.google.com with SMTP id rd3so8375574pab.25 for ; Tue, 18 Mar 2014 22:17:14 -0700 (PDT) From: Wenchao Xia Date: Tue, 18 Mar 2014 22:16:38 -0700 Message-Id: <1395206201-22999-3-git-send-email-wenchaoqemu@gmail.com> In-Reply-To: <1395206201-22999-1-git-send-email-wenchaoqemu@gmail.com> References: <1395206201-22999-1-git-send-email-wenchaoqemu@gmail.com> Subject: [Qemu-devel] [RFC PATCH V3 2/5] qapi: add event helper functions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: mdroth@linux.vnet.ibm.com, armbru@redhat.com, Wenchao Xia , lcapitulino@redhat.com This file hold some functions that do not need to be generated. Signed-off-by: Wenchao Xia --- include/qapi/qmp-event.h | 25 ++++++++++++++++ qapi/Makefile.objs | 1 + qapi/qmp-event.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 97 insertions(+), 0 deletions(-) create mode 100644 include/qapi/qmp-event.h create mode 100644 qapi/qmp-event.c diff --git a/include/qapi/qmp-event.h b/include/qapi/qmp-event.h new file mode 100644 index 0000000..fdf1a7f --- /dev/null +++ b/include/qapi/qmp-event.h @@ -0,0 +1,25 @@ +/* + * QMP Event related + * + * Authors: + * Wenchao Xia + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. + * See the COPYING.LIB file in the top-level directory. + * + */ + +#ifndef QMP_EVENT_H +#define QMP_EVENT_H + +#include "qapi/error.h" +#include "qapi/qmp/qdict.h" + +typedef void (*QMPEventFuncEmit)(int event_kind, QDict *dict, Error **errp); + +void qmp_event_set_func_emit(QMPEventFuncEmit emit); + +QMPEventFuncEmit qmp_event_get_func_emit(void); + +QDict *qmp_event_build_dict(const char *event_name); +#endif diff --git a/qapi/Makefile.objs b/qapi/Makefile.objs index 1f9c973..d14b769 100644 --- a/qapi/Makefile.objs +++ b/qapi/Makefile.objs @@ -3,3 +3,4 @@ util-obj-y += qmp-output-visitor.o qmp-registry.o qmp-dispatch.o util-obj-y += string-input-visitor.o string-output-visitor.o util-obj-y += opts-visitor.o +util-obj-y += qmp-event.o diff --git a/qapi/qmp-event.c b/qapi/qmp-event.c new file mode 100644 index 0000000..191c7f0 --- /dev/null +++ b/qapi/qmp-event.c @@ -0,0 +1,71 @@ +/* + * QMP Event related + * + * Authors: + * Wenchao Xia + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. + * See the COPYING.LIB file in the top-level directory. + * + */ + +#include + +#include "qemu-common.h" +#include "qapi/qmp-event.h" +#include "qapi/qmp/qstring.h" +#include "qapi/qmp/qjson.h" + +#ifdef _WIN32 +#include "sysemu/os-win32.h" +#endif + +#ifdef CONFIG_POSIX +#include "sysemu/os-posix.h" +#endif + +typedef struct QMPEventFunctions { + QMPEventFuncEmit emit; +} QMPEventFunctions; + +QMPEventFunctions qmp_event_functions; + +void qmp_event_set_func_emit(QMPEventFuncEmit emit) +{ + qmp_event_functions.emit = emit; +} + +QMPEventFuncEmit qmp_event_get_func_emit(void) +{ + return qmp_event_functions.emit; +} + +static void timestamp_put(QDict *qdict) +{ + int err; + QObject *obj; + qemu_timeval tv; + + err = qemu_gettimeofday(&tv); + if (err < 0) { + /* Put -1 to indicate failure of getting host time */ + tv.tv_sec = tv.tv_usec = -1; + } + + obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", " + "'microseconds': %" PRId64 " }", + (int64_t) tv.tv_sec, (int64_t) tv.tv_usec); + qdict_put_obj(qdict, "timestamp", obj); +} + +/* + * Build a QDict, then fill event name and time stamp, caller should free the + * QDict after usage. + */ +QDict *qmp_event_build_dict(const char *event_name) +{ + QDict *dict = qdict_new(); + qdict_put(dict, "event", qstring_from_str(event_name)); + timestamp_put(dict); + return dict; +} -- 1.7.1