xref: /kvmtool/kvm-cmd.c (revision 02317b74e887e1a0564fc43b77f14c082b12295e)
10a936c54SPrasad Joshi #include <stdio.h>
20a936c54SPrasad Joshi #include <string.h>
30a936c54SPrasad Joshi #include <errno.h>
40a936c54SPrasad Joshi 
50a936c54SPrasad Joshi #include <assert.h>
60a936c54SPrasad Joshi 
70a936c54SPrasad Joshi /* user defined header files */
82a24f96dSSasha Levin #include "kvm/builtin-debug.h"
92a24f96dSSasha Levin #include "kvm/builtin-pause.h"
10*02317b74SSasha Levin #include "kvm/builtin-resume.h"
112a24f96dSSasha Levin #include "kvm/builtin-balloon.h"
122a24f96dSSasha Levin #include "kvm/builtin-list.h"
132a24f96dSSasha Levin #include "kvm/builtin-version.h"
14daf4cb5aSSasha Levin #include "kvm/builtin-stop.h"
152a24f96dSSasha Levin #include "kvm/builtin-help.h"
16ca379b83SPekka Enberg #include "kvm/kvm-cmd.h"
172a24f96dSSasha Levin #include "kvm/builtin-run.h"
18f6677a1dSAmerigo Wang 
19f6677a1dSAmerigo Wang struct cmd_struct kvm_commands[] = {
202947270eSSasha Levin 	{ "pause",	kvm_cmd_pause,		NULL,         0 },
21*02317b74SSasha Levin 	{ "resume",	kvm_cmd_resume,		NULL,         0 },
22ca379b83SPekka Enberg 	{ "debug",	kvm_cmd_debug,		NULL,         0 },
235cac5d9cSSasha Levin 	{ "balloon",	kvm_cmd_balloon,	NULL,         0 },
249dba6721SSasha Levin 	{ "list",	kvm_cmd_list,		NULL,         0 },
2516b2bb87SSasha Levin 	{ "version",	kvm_cmd_version,	NULL,         0 },
26daf4cb5aSSasha Levin 	{ "stop",	kvm_cmd_stop,		NULL,         0 },
27f6677a1dSAmerigo Wang 	{ "help",	kvm_cmd_help,		NULL,         0 },
28f6677a1dSAmerigo Wang 	{ "run",	kvm_cmd_run,		kvm_run_help, 0 },
29f6677a1dSAmerigo Wang 	{ NULL,		NULL,			NULL,         0 },
30f6677a1dSAmerigo Wang };
310a936c54SPrasad Joshi 
320ea58e5bSPekka Enberg /*
330ea58e5bSPekka Enberg  * kvm_get_command: Searches the command in an array of the commands and
340ea58e5bSPekka Enberg  * returns a pointer to cmd_struct if a match is found.
350ea58e5bSPekka Enberg  *
360ea58e5bSPekka Enberg  * Input parameters:
370ea58e5bSPekka Enberg  * command: Array of possible commands. The last entry in the array must be
380ea58e5bSPekka Enberg  *          NULL.
390ea58e5bSPekka Enberg  * cmd: A string command to search in the array
400ea58e5bSPekka Enberg  *
410ea58e5bSPekka Enberg  * Return Value:
420ea58e5bSPekka Enberg  * NULL: If the cmd is not matched with any of the command in the command array
430ea58e5bSPekka Enberg  * p: Pointer to cmd_struct of the matching command
440a936c54SPrasad Joshi  */
45f6677a1dSAmerigo Wang struct cmd_struct *kvm_get_command(struct cmd_struct *command,
460a936c54SPrasad Joshi 		const char *cmd)
470a936c54SPrasad Joshi {
480a936c54SPrasad Joshi 	struct cmd_struct *p = command;
490a936c54SPrasad Joshi 
500a936c54SPrasad Joshi 	while (p->cmd) {
510a936c54SPrasad Joshi 		if (!strcmp(p->cmd, cmd))
520a936c54SPrasad Joshi 			return p;
530a936c54SPrasad Joshi 		p++;
540a936c54SPrasad Joshi 	}
550a936c54SPrasad Joshi 	return NULL;
560a936c54SPrasad Joshi }
570a936c54SPrasad Joshi 
580a936c54SPrasad Joshi int handle_command(struct cmd_struct *command, int argc, const char **argv)
590a936c54SPrasad Joshi {
600a936c54SPrasad Joshi 	struct cmd_struct *p;
610a936c54SPrasad Joshi 	const char *prefix = NULL;
620a936c54SPrasad Joshi 
630a936c54SPrasad Joshi 	if (!argv || !*argv) {
640a936c54SPrasad Joshi 		p = kvm_get_command(command, "help");
650a936c54SPrasad Joshi 		assert(p);
660a936c54SPrasad Joshi 		return p->fn(argc, argv, prefix);
670a936c54SPrasad Joshi 	}
680a936c54SPrasad Joshi 
690a936c54SPrasad Joshi 	p = kvm_get_command(command, argv[0]);
700a936c54SPrasad Joshi 	if (!p) {
710a936c54SPrasad Joshi 		p = kvm_get_command(command, "help");
720a936c54SPrasad Joshi 		assert(p);
730a936c54SPrasad Joshi 		p->fn(0, NULL, prefix);
740a936c54SPrasad Joshi 		return EINVAL;
750a936c54SPrasad Joshi 	}
760a936c54SPrasad Joshi 
770a936c54SPrasad Joshi 	return p->fn(argc - 1, &argv[1], prefix);
780a936c54SPrasad Joshi }
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