diff options
Diffstat (limited to 'chardev/char-hmp-cmds.c')
| -rw-r--r-- | chardev/char-hmp-cmds.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/chardev/char-hmp-cmds.c b/chardev/char-hmp-cmds.c new file mode 100644 index 0000000000..287c2b1bcd --- /dev/null +++ b/chardev/char-hmp-cmds.c @@ -0,0 +1,220 @@ +/* + * HMP commands related to character devices + * + * Copyright IBM, Corp. 2011 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#include "qemu/osdep.h" +#include "chardev/char.h" +#include "monitor/hmp.h" +#include "monitor/monitor.h" +#include "qapi/error.h" +#include "qapi/qapi-commands-char.h" +#include "qapi/qmp/qdict.h" +#include "qemu/config-file.h" +#include "qemu/option.h" + +void hmp_info_chardev(Monitor *mon, const QDict *qdict) +{ + ChardevInfoList *char_info, *info; + + char_info = qmp_query_chardev(NULL); + for (info = char_info; info; info = info->next) { + monitor_printf(mon, "%s: filename=%s\n", info->value->label, + info->value->filename); + } + + qapi_free_ChardevInfoList(char_info); +} + +void hmp_ringbuf_write(Monitor *mon, const QDict *qdict) +{ + const char *chardev = qdict_get_str(qdict, "device"); + const char *data = qdict_get_str(qdict, "data"); + Error *err = NULL; + + qmp_ringbuf_write(chardev, data, false, 0, &err); + + hmp_handle_error(mon, err); +} + +void hmp_ringbuf_read(Monitor *mon, const QDict *qdict) +{ + uint32_t size = qdict_get_int(qdict, "size"); + const char *chardev = qdict_get_str(qdict, "device"); + char *data; + Error *err = NULL; + int i; + + data = qmp_ringbuf_read(chardev, size, false, 0, &err); + if (hmp_handle_error(mon, err)) { + return; + } + + for (i = 0; data[i]; i++) { + unsigned char ch = data[i]; + + if (ch == '\\') { + monitor_printf(mon, "\\\\"); + } else if ((ch < 0x20 && ch != '\n' && ch != '\t') || ch == 0x7F) { + monitor_printf(mon, "\\u%04X", ch); + } else { + monitor_printf(mon, "%c", ch); + } + + } + monitor_printf(mon, "\n"); + g_free(data); +} + +void hmp_chardev_add(Monitor *mon, const QDict *qdict) +{ + const char *args = qdict_get_str(qdict, "args"); + Error *err = NULL; + QemuOpts *opts; + + opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), args, true); + if (opts == NULL) { + error_setg(&err, "Parsing chardev args failed"); + } else { + qemu_chr_new_from_opts(opts, NULL, &err); + qemu_opts_del(opts); + } + hmp_handle_error(mon, err); +} + +void hmp_chardev_change(Monitor *mon, const QDict *qdict) +{ + const char *args = qdict_get_str(qdict, "args"); + const char *id; + Error *err = NULL; + ChardevBackend *backend = NULL; + ChardevReturn *ret = NULL; + QemuOpts *opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), args, + true); + if (!opts) { + error_setg(&err, "Parsing chardev args failed"); + goto end; + } + + id = qdict_get_str(qdict, "id"); + if (qemu_opts_id(opts)) { + error_setg(&err, "Unexpected 'id' parameter"); + goto end; + } + + backend = qemu_chr_parse_opts(opts, &err); + if (!backend) { + goto end; + } + + ret = qmp_chardev_change(id, backend, &err); + +end: + qapi_free_ChardevReturn(ret); + qapi_free_ChardevBackend(backend); + qemu_opts_del(opts); + hmp_handle_error(mon, err); +} + +void hmp_chardev_remove(Monitor *mon, const QDict *qdict) +{ + Error *local_err = NULL; + + qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err); + hmp_handle_error(mon, local_err); +} + +void hmp_chardev_send_break(Monitor *mon, const QDict *qdict) +{ + Error *local_err = NULL; + + qmp_chardev_send_break(qdict_get_str(qdict, "id"), &local_err); + hmp_handle_error(mon, local_err); +} + +void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str) +{ + size_t len; + ChardevBackendInfoList *list, *start; + + if (nb_args != 2) { + return; + } + len = strlen(str); + readline_set_completion_index(rs, len); + + start = list = qmp_query_chardev_backends(NULL); + while (list) { + const char *chr_name = list->value->name; + + if (!strncmp(chr_name, str, len)) { + readline_add_completion(rs, chr_name); + } + list = list->next; + } + qapi_free_ChardevBackendInfoList(start); +} + +void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str) +{ + size_t len; + ChardevInfoList *list, *start; + + if (nb_args != 2) { + return; + } + len = strlen(str); + readline_set_completion_index(rs, len); + + start = list = qmp_query_chardev(NULL); + while (list) { + ChardevInfo *chr = list->value; + + if (!strncmp(chr->label, str, len)) { + readline_add_completion(rs, chr->label); + } + list = list->next; + } + qapi_free_ChardevInfoList(start); +} + +static void ringbuf_completion(ReadLineState *rs, const char *str) +{ + size_t len; + ChardevInfoList *list, *start; + + len = strlen(str); + readline_set_completion_index(rs, len); + + start = list = qmp_query_chardev(NULL); + while (list) { + ChardevInfo *chr_info = list->value; + + if (!strncmp(chr_info->label, str, len)) { + Chardev *chr = qemu_chr_find(chr_info->label); + if (chr && CHARDEV_IS_RINGBUF(chr)) { + readline_add_completion(rs, chr_info->label); + } + } + list = list->next; + } + qapi_free_ChardevInfoList(start); +} + +void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str) +{ + if (nb_args != 2) { + return; + } + ringbuf_completion(rs, str); +} |