1 /* 2 * Core Definitions for QAPI/QMP Dispatch 3 * 4 * Copyright IBM, Corp. 2011 5 * 6 * Authors: 7 * Anthony Liguori <aliguori@us.ibm.com> 8 * Michael Roth <mdroth@us.ibm.com> 9 * 10 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. 11 * See the COPYING.LIB file in the top-level directory. 12 * 13 */ 14 15 #include "qemu/osdep.h" 16 #include "qapi/qmp/dispatch.h" 17 18 void qmp_register_command(QmpCommandList *cmds, const char *name, 19 QmpCommandFunc *fn, QmpCommandOptions options) 20 { 21 QmpCommand *cmd = g_malloc0(sizeof(*cmd)); 22 23 cmd->name = name; 24 cmd->fn = fn; 25 cmd->enabled = true; 26 cmd->options = options; 27 QTAILQ_INSERT_TAIL(cmds, cmd, node); 28 } 29 30 QmpCommand *qmp_find_command(QmpCommandList *cmds, const char *name) 31 { 32 QmpCommand *cmd; 33 34 QTAILQ_FOREACH(cmd, cmds, node) { 35 if (strcmp(cmd->name, name) == 0) { 36 return cmd; 37 } 38 } 39 return NULL; 40 } 41 42 static void qmp_toggle_command(QmpCommandList *cmds, const char *name, 43 bool enabled) 44 { 45 QmpCommand *cmd; 46 47 QTAILQ_FOREACH(cmd, cmds, node) { 48 if (strcmp(cmd->name, name) == 0) { 49 cmd->enabled = enabled; 50 return; 51 } 52 } 53 } 54 55 void qmp_disable_command(QmpCommandList *cmds, const char *name) 56 { 57 qmp_toggle_command(cmds, name, false); 58 } 59 60 void qmp_enable_command(QmpCommandList *cmds, const char *name) 61 { 62 qmp_toggle_command(cmds, name, true); 63 } 64 65 bool qmp_command_is_enabled(const QmpCommand *cmd) 66 { 67 return cmd->enabled; 68 } 69 70 const char *qmp_command_name(const QmpCommand *cmd) 71 { 72 return cmd->name; 73 } 74 75 bool qmp_has_success_response(const QmpCommand *cmd) 76 { 77 return !(cmd->options & QCO_NO_SUCCESS_RESP); 78 } 79 80 void qmp_for_each_command(QmpCommandList *cmds, qmp_cmd_callback_fn fn, 81 void *opaque) 82 { 83 QmpCommand *cmd; 84 85 QTAILQ_FOREACH(cmd, cmds, node) { 86 fn(cmd, opaque); 87 } 88 } 89