geom.c (0f73f7016baa6015b1b0b582033af2f1c7760af5) geom.c (6a02738229be1d312f4e4af22d64e662a2084eee)
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2004-2009 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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61extern struct g_command glabel_class_commands[];
62#endif
63
64static char comm[MAXPATHLEN], *class_name = NULL, *gclass_name = NULL;
65static uint32_t *version = NULL;
66static int verbose = 0;
67static struct g_command *class_commands = NULL;
68
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2004-2009 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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61extern struct g_command glabel_class_commands[];
62#endif
63
64static char comm[MAXPATHLEN], *class_name = NULL, *gclass_name = NULL;
65static uint32_t *version = NULL;
66static int verbose = 0;
67static struct g_command *class_commands = NULL;
68
69#define GEOM_CLASS_CMDS 0x01
70#define GEOM_STD_CMDS 0x02
69#define GEOM_CLASS_CMDS 0x01
70#define GEOM_STD_CMDS 0x02
71
72#define GEOM_CLASS_WIDTH 10
73
71static struct g_command *find_command(const char *cmdstr, int flags);
72static void list_one_geom_by_provider(const char *provider_name);
73static int std_available(const char *name);
74
75static void std_help(struct gctl_req *req, unsigned flags);
76static void std_list(struct gctl_req *req, unsigned flags);
77static void std_status(struct gctl_req *req, unsigned flags);
78static void std_load(struct gctl_req *req, unsigned flags);

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144
145static void
146usage(void)
147{
148
149 if (class_name == NULL) {
150 fprintf(stderr, "usage: geom <class> <command> [options]\n");
151 fprintf(stderr, " geom -p <provider-name>\n");
74static struct g_command *find_command(const char *cmdstr, int flags);
75static void list_one_geom_by_provider(const char *provider_name);
76static int std_available(const char *name);
77
78static void std_help(struct gctl_req *req, unsigned flags);
79static void std_list(struct gctl_req *req, unsigned flags);
80static void std_status(struct gctl_req *req, unsigned flags);
81static void std_load(struct gctl_req *req, unsigned flags);

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147
148static void
149usage(void)
150{
151
152 if (class_name == NULL) {
153 fprintf(stderr, "usage: geom <class> <command> [options]\n");
154 fprintf(stderr, " geom -p <provider-name>\n");
155 fprintf(stderr, " geom -t\n");
152 exit(EXIT_FAILURE);
153 } else {
154 struct g_command *cmd;
155 const char *prefix;
156 unsigned i;
157
158 prefix = "usage:";
159 if (class_commands != NULL) {

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667 return (gp);
668 }
669 }
670 }
671
672 return (NULL);
673}
674
156 exit(EXIT_FAILURE);
157 } else {
158 struct g_command *cmd;
159 const char *prefix;
160 unsigned i;
161
162 prefix = "usage:";
163 if (class_commands != NULL) {

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671 return (gp);
672 }
673 }
674 }
675
676 return (NULL);
677}
678
679static int
680compute_tree_width_geom(struct gmesh *mesh, struct ggeom *gp, int indent)
681{
682 struct gclass *classp2;
683 struct ggeom *gp2;
684 struct gconsumer *cp2;
685 struct gprovider *pp;
686 int max_width, width;
687
688 max_width = width = indent + strlen(gp->lg_name);
689
690 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
691 LIST_FOREACH(classp2, &mesh->lg_class, lg_class) {
692 LIST_FOREACH(gp2, &classp2->lg_geom, lg_geom) {
693 LIST_FOREACH(cp2,
694 &gp2->lg_consumer, lg_consumer) {
695 if (pp != cp2->lg_provider)
696 continue;
697 width = compute_tree_width_geom(mesh,
698 gp2, indent + 2);
699 if (width > max_width)
700 max_width = width;
701 }
702 }
703 }
704 }
705
706 return (max_width);
707}
708
709static int
710compute_tree_width(struct gmesh *mesh)
711{
712 struct gclass *classp;
713 struct ggeom *gp;
714 int max_width, width;
715
716 max_width = width = 0;
717
718 LIST_FOREACH(classp, &mesh->lg_class, lg_class) {
719 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
720 if (!LIST_EMPTY(&gp->lg_consumer))
721 continue;
722 width = compute_tree_width_geom(mesh, gp, 0);
723 if (width > max_width)
724 max_width = width;
725 }
726 }
727
728 return (max_width);
729}
730
731static void
732show_tree_geom(struct gmesh *mesh, struct ggeom *gp, int indent, int width)
733{
734 struct gclass *classp2;
735 struct ggeom *gp2;
736 struct gconsumer *cp2;
737 struct gprovider *pp;
738
739 if (LIST_EMPTY(&gp->lg_provider)) {
740 printf("%*s%-*.*s %-*.*s\n", indent, "",
741 width - indent, width - indent, gp->lg_name,
742 GEOM_CLASS_WIDTH, GEOM_CLASS_WIDTH, gp->lg_class->lg_name);
743 return;
744 }
745
746 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
747 printf("%*s%-*.*s %-*.*s %s\n", indent, "",
748 width - indent, width - indent, gp->lg_name,
749 GEOM_CLASS_WIDTH, GEOM_CLASS_WIDTH, gp->lg_class->lg_name,
750 pp->lg_name);
751
752 LIST_FOREACH(classp2, &mesh->lg_class, lg_class) {
753 LIST_FOREACH(gp2, &classp2->lg_geom, lg_geom) {
754 LIST_FOREACH(cp2,
755 &gp2->lg_consumer, lg_consumer) {
756 if (pp != cp2->lg_provider)
757 continue;
758 show_tree_geom(mesh, gp2,
759 indent + 2, width);
760 }
761 }
762 }
763 }
764}
765
766static void
767show_tree(void)
768{
769 struct gmesh mesh;
770 struct gclass *classp;
771 struct ggeom *gp;
772 int error, width;
773
774 error = geom_gettree(&mesh);
775 if (error != 0)
776 errc(EXIT_FAILURE, error, "Cannot get GEOM tree");
777
778 width = compute_tree_width(&mesh);
779
780 printf("%-*.*s %-*.*s %s\n",
781 width, width, "Geom",
782 GEOM_CLASS_WIDTH, GEOM_CLASS_WIDTH, "Class",
783 "Provider");
784
785 LIST_FOREACH(classp, &mesh.lg_class, lg_class) {
786 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
787 if (!LIST_EMPTY(&gp->lg_consumer))
788 continue;
789 show_tree_geom(&mesh, gp, 0, width);
790 }
791 }
792}
793
675int
676main(int argc, char *argv[])
677{
678 char *provider_name;
794int
795main(int argc, char *argv[])
796{
797 char *provider_name;
798 bool tflag;
679 int ch;
680
681 provider_name = NULL;
799 int ch;
800
801 provider_name = NULL;
802 tflag = false;
682
683 if (strcmp(getprogname(), "geom") == 0) {
803
804 if (strcmp(getprogname(), "geom") == 0) {
684 while ((ch = getopt(argc, argv, "hp:")) != -1) {
805 while ((ch = getopt(argc, argv, "hp:t")) != -1) {
685 switch (ch) {
686 case 'p':
687 provider_name = strdup(optarg);
688 if (provider_name == NULL)
689 err(1, "strdup");
690 break;
806 switch (ch) {
807 case 'p':
808 provider_name = strdup(optarg);
809 if (provider_name == NULL)
810 err(1, "strdup");
811 break;
812 case 't':
813 tflag = true;
814 break;
691 case 'h':
692 default:
693 usage();
694 }
695 }
696
697 /*
698 * Don't adjust argc and argv, it would break get_class().
699 */
700 }
701
815 case 'h':
816 default:
817 usage();
818 }
819 }
820
821 /*
822 * Don't adjust argc and argv, it would break get_class().
823 */
824 }
825
826 if (tflag && provider_name != NULL) {
827 errx(EXIT_FAILURE,
828 "At most one of -P and -t may be specified.");
829 }
830
702 if (provider_name != NULL) {
703 list_one_geom_by_provider(provider_name);
704 return (0);
705 }
706
831 if (provider_name != NULL) {
832 list_one_geom_by_provider(provider_name);
833 return (0);
834 }
835
836 if (tflag) {
837 show_tree();
838 return (0);
839 }
840
707 get_class(&argc, &argv);
708 run_command(argc, argv);
709 /* NOTREACHED */
710
711 exit(EXIT_FAILURE);
712}
713
714static struct gclass *

--- 544 unchanged lines hidden --- 		841 get_class(&argc, &argv);
842 run_command(argc, argv);
843 /* NOTREACHED */
844
845 exit(EXIT_FAILURE);
846}
847
848static struct gclass *

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