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 "qapi/qmp-core.h" 16 17 static QTAILQ_HEAD(QmpCommandList, QmpCommand) qmp_commands = 18 QTAILQ_HEAD_INITIALIZER(qmp_commands); 19 20 void qmp_register_command(const char *name, QmpCommandFunc *fn, 21 QmpCommandOptions options) 22 { 23 QmpCommand *cmd = g_malloc0(sizeof(*cmd)); 24 25 cmd->name = name; 26 cmd->type = QCT_NORMAL; 27 cmd->fn = fn; 28 cmd->enabled = true; 29 cmd->options = options; 30 QTAILQ_INSERT_TAIL(&qmp_commands, cmd, node); 31 } 32 33 QmpCommand *qmp_find_command(const char *name) 34 { 35 QmpCommand *cmd; 36 37 QTAILQ_FOREACH(cmd, &qmp_commands, node) { 38 if (strcmp(cmd->name, name) == 0) { 39 return cmd; 40 } 41 } 42 return NULL; 43 } 44 45 static void qmp_toggle_command(const char *name, bool enabled) 46 { 47 QmpCommand *cmd; 48 49 QTAILQ_FOREACH(cmd, &qmp_commands, node) { 50 if (strcmp(cmd->name, name) == 0) { 51 cmd->enabled = enabled; 52 return; 53 } 54 } 55 } 56 57 void qmp_disable_command(const char *name) 58 { 59 qmp_toggle_command(name, false); 60 } 61 62 void qmp_enable_command(const char *name) 63 { 64 qmp_toggle_command(name, true); 65 } 66 67 bool qmp_command_is_enabled(const char *name) 68 { 69 QmpCommand *cmd; 70 71 QTAILQ_FOREACH(cmd, &qmp_commands, node) { 72 if (strcmp(cmd->name, name) == 0) { 73 return cmd->enabled; 74 } 75 } 76 77 return false; 78 } 79 80 char **qmp_get_command_list(void) 81 { 82 QmpCommand *cmd; 83 int count = 1; 84 char **list_head, **list; 85 86 QTAILQ_FOREACH(cmd, &qmp_commands, node) { 87 count++; 88 } 89 90 list_head = list = g_malloc0(count * sizeof(char *)); 91 92 QTAILQ_FOREACH(cmd, &qmp_commands, node) { 93 *list = strdup(cmd->name); 94 list++; 95 } 96 97 return list_head; 98 } 99