qapi: add QMP command registration/lookup functions

Registration/lookup functions for that provide a lookup table for
dispatching QMP commands.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
This commit is contained in:
Michael Roth 2011-07-19 14:50:36 -05:00 committed by Luiz Capitulino
parent d5f3c29cf8
commit 43c20a43ca
3 changed files with 80 additions and 0 deletions

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@ -376,6 +376,7 @@ libcacard-y = cac.o event.o vcard.o vreader.o vcard_emul_nss.o vcard_emul_type.o
# qapi # qapi
qapi-nested-y = qapi-visit-core.o qmp-input-visitor.o qmp-output-visitor.o qapi-dealloc-visitor.o qapi-nested-y = qapi-visit-core.o qmp-input-visitor.o qmp-output-visitor.o qapi-dealloc-visitor.o
qapi-nested-y += qmp-registry.o
qapi-obj-y = $(addprefix qapi/, $(qapi-nested-y)) qapi-obj-y = $(addprefix qapi/, $(qapi-nested-y))
vl.o: QEMU_CFLAGS+=$(GPROF_CFLAGS) vl.o: QEMU_CFLAGS+=$(GPROF_CFLAGS)

39
qapi/qmp-core.h Normal file
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@ -0,0 +1,39 @@
/*
* Core Definitions for QAPI/QMP Dispatch
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* 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_CORE_H
#define QMP_CORE_H
#include "qobject.h"
#include "qdict.h"
#include "error.h"
typedef void (QmpCommandFunc)(QDict *, QObject **, Error **);
typedef enum QmpCommandType
{
QCT_NORMAL,
} QmpCommandType;
typedef struct QmpCommand
{
const char *name;
QmpCommandType type;
QmpCommandFunc *fn;
QTAILQ_ENTRY(QmpCommand) node;
} QmpCommand;
void qmp_register_command(const char *name, QmpCommandFunc *fn);
QmpCommand *qmp_find_command(const char *name);
#endif

40
qapi/qmp-registry.c Normal file
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@ -0,0 +1,40 @@
/*
* Core Definitions for QAPI/QMP Dispatch
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
* Michael Roth <mdroth@us.ibm.com>
*
* 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 "qapi/qmp-core.h"
static QTAILQ_HEAD(, QmpCommand) qmp_commands =
QTAILQ_HEAD_INITIALIZER(qmp_commands);
void qmp_register_command(const char *name, QmpCommandFunc *fn)
{
QmpCommand *cmd = qemu_mallocz(sizeof(*cmd));
cmd->name = name;
cmd->type = QCT_NORMAL;
cmd->fn = fn;
QTAILQ_INSERT_TAIL(&qmp_commands, cmd, node);
}
QmpCommand *qmp_find_command(const char *name)
{
QmpCommand *i;
QTAILQ_FOREACH(i, &qmp_commands, node) {
if (strcmp(i->name, name) == 0) {
return i;
}
}
return NULL;
}