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root/i-scream/projects/libstatgrab/src/libstatgrab/tools.c

Comparing projects/libstatgrab/src/libstatgrab/tools.c (file contents):
Revision 1.12 by tdb, Mon Nov 10 21:07:04 2003 UTC vs.
Revision 1.16 by tdb, Thu Nov 20 12:13:12 2003 UTC

#	Line 37 | Line 37
37
38		#include "tools.h"
39
40	+	#ifdef SOLARIS
41	+	#include <libdevinfo.h>
42	+	#include <kstat.h>
43	+	#include <unistd.h>
44	+	#include <ctype.h>
45	+	#include <sys/types.h>
46	+	#include <sys/dkio.h>
47	+	#include <sys/stat.h>
48	+	#include <fcntl.h>
49	+	#include <sys/fcntl.h>
50	+	#include <dirent.h>
51	+	#endif
52	+
53	+	#ifdef SOLARIS
54	+	struct map{
55	+	char *bsd;
56	+	char *svr;
57	+
58	+	struct map *next;
59	+	};
60	+	typedef struct map mapping_t;
61	+
62	+	static mapping_t *mapping = NULL;
63	+
64	+	char *get_svr_from_bsd(char *bsd){
65	+	mapping_t *map_ptr;
66	+	for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next)
67	+	if(!strcmp(map_ptr->bsd, bsd)) return map_ptr->svr;
68	+
69	+	return bsd;
70	+	}
71	+
72	+	void add_mapping(char *bsd, char *svr){
73	+	mapping_t *map_ptr;
74	+	mapping_t *map_end_ptr;
75	+
76	+	bsd = strdup(bsd);
77	+	svr = strdup(svr);
78	+
79	+	if (mapping == NULL){
80	+	mapping = malloc(sizeof(mapping_t));
81	+	if (mapping == NULL) return;
82	+	map_ptr = mapping;
83	+	}else{
84	+	/* See if its already been added */
85	+	for(map_ptr = mapping; map_ptr != NULL; map_ptr = map_ptr->next){
86	+	if( (!strcmp(map_ptr->bsd, bsd)) || (!strcmp(map_ptr->svr, svr)) ){
87	+	return;
88	+	}
89	+	map_end_ptr = map_ptr;
90	+	}
91	+
92	+	/* We've reached end of list and not found the entry.. So we need to malloc
93	+	* new mapping_t
94	+	*/
95	+	map_end_ptr->next = malloc(sizeof(mapping_t));
96	+	if (map_end_ptr->next == NULL) return;
97	+	map_ptr = map_end_ptr->next;
98	+	}
99	+
100	+	map_ptr->next = NULL;
101	+	map_ptr->bsd = bsd;
102	+	map_ptr->svr = svr;
103	+
104	+	return;
105	+	}
106	+
107	+	char *read_dir(char *disk_path){
108	+	DIR *dirp;
109	+	struct dirent *dp;
110	+	struct stat stbuf;
111	+	char *svr_name;
112	+	char current_dir[MAXPATHLEN];
113	+	char file_name[MAXPATHLEN];
114	+	char temp_name[MAXPATHLEN];
115	+	char dir_dname[MAXPATHLEN];
116	+	char *dsk_dir;
117	+	int x;
118	+
119	+	dsk_dir = "/dev/osa/dev/dsk";
120	+	strncpy(current_dir, dsk_dir, sizeof current_dir);
121	+	if ((dirp = opendir(current_dir)) == NULL){
122	+	dsk_dir = "/dev/dsk";
123	+	snprintf(current_dir, sizeof current_dir, "%s", dsk_dir);
124	+	if ((dirp = opendir(current_dir)) == NULL){
125	+	return NULL;
126	+	}
127	+	}
128	+
129	+	while ((dp = readdir(dirp)) != NULL){
130	+	snprintf(temp_name, sizeof temp_name, "../..%s", disk_path);
131	+	snprintf(dir_dname, sizeof dir_dname, "%s/%s", dsk_dir, dp->d_name);
132	+	stat(dir_dname,&stbuf);
133	+
134	+	if (S_ISBLK(stbuf.st_mode)){
135	+	x = readlink(dir_dname, file_name, sizeof(file_name));
136	+	file_name[x] = '\0';
137	+	if (strcmp(file_name, temp_name) == 0) {
138	+	svr_name = strdup(dp->d_name);
139	+	closedir(dirp);
140	+	return svr_name;
141	+	}
142	+	}
143	+	}
144	+	closedir(dirp);
145	+	return NULL;
146	+	}
147	+
148	+
149	+
150	+	int get_alias(char *alias){
151	+	char file[MAXPATHLEN];
152	+	di_node_t root_node;
153	+	di_node_t node;
154	+	di_minor_t minor = DI_MINOR_NIL;
155	+	char tmpnode[MAXPATHLEN];
156	+	char *phys_path;
157	+	char *minor_name;
158	+	char *value;
159	+	int instance;
160	+	if ((root_node = di_init("/", DINFOCPYALL)) == DI_NODE_NIL) {
161	+	fprintf(stderr, "di_init() failed\n");
162	+	exit(1);
163	+	}
164	+	node = di_drv_first_node(alias, root_node);
165	+	while (node != DI_NODE_NIL) {
166	+	if ((minor = di_minor_next(node, DI_MINOR_NIL)) != DI_MINOR_NIL) {
167	+	instance = di_instance(node);
168	+	phys_path = di_devfs_path(node);
169	+	minor_name = di_minor_name(minor);
170	+	strcpy(tmpnode, alias);
171	+	sprintf(tmpnode, "%s%d", tmpnode, instance);
172	+	strcpy(file, "/devices");
173	+	strcat(file, phys_path);
174	+	strcat(file, ":");
175	+	strcat(file, minor_name);
176	+	value = read_dir(file);
177	+	if (value != NULL){
178	+	add_mapping(tmpnode, value);
179	+	}
180	+	di_devfs_path_free(phys_path);
181	+	node = di_drv_next_node(node);
182	+	}else{
183	+	node = di_drv_next_node(node);
184	+	}
185	+	}
186	+	di_fini(root_node);
187	+	return (-1);
188	+	}
189	+
190	+	void build_mapping(){
191	+	char device_name[512];
192	+	int x;
193	+	kstat_ctl_t *kc;
194	+	kstat_t *ksp;
195	+	kstat_io_t kios;
196	+
197	+	if ((kc = kstat_open()) == NULL) {
198	+	return;
199	+	}
200	+
201	+	for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
202	+	if (!strcmp(ksp->ks_class, "disk")) {
203	+	if(ksp->ks_type != KSTAT_TYPE_IO) continue;
204	+	/* We dont want metadevices appearing as num_diskio */
205	+	if(strcmp(ksp->ks_module, "md")==0) continue;
206	+	if((kstat_read(kc, ksp, &kios))==-1) continue;
207	+	strncpy(device_name, ksp->ks_name, sizeof device_name);
208	+	for(x=0;x<(sizeof device_name);x++){
209	+	if( isdigit((int)device_name[x]) ) break;
210	+	}
211	+	if(x == sizeof device_name) x--;
212	+	device_name[x] = '\0';
213	+	get_alias(device_name);
214	+	}
215	+	}
216	+
217	+	return;
218	+	}
219	+
220	+	#endif
221	+
222	+
223	+
224		char *f_read_line(FILE *f, const char *string){
225		/* Max line length. 8k should be more than enough */
226		static char line[8192];
#	Line 60 | Line 244 | char *get_string_match(char *line, regmatch_t *match){
244		return match_string;
245		}
246
247	+
248	+
249	+	#ifndef HAVE_ATOLL
250	+	static long long atoll(const char *s) {
251	+	long long value = 0;
252	+	int isneg = 0;
253	+
254	+	while (*s == ' ' || *s == '\t') {
255	+	s++;
256	+	}
257	+	if (*s == '-') {
258	+	isneg = 1;
259	+	s++;
260	+	}
261	+	while (*s >= '0' && *s <= '9') {
262	+	value = (10 * value) + (*s - '0');
263	+	s++;
264	+	}
265	+	return (isneg ? -value : value);
266	+	}
267	+	#endif
268	+
269		long long get_ll_match(char *line, regmatch_t *match){
270		char *ptr;
271		long long num;
272
273		ptr=line+match->rm_so;
68	–	#ifdef HAVE_ATOLL
274		num=atoll(ptr);
70	–	#else
71	–	/* Don't have atoll, so use this bodge instead */
72	–	{
73	–	long numl;
74	–	numl=atol(ptr);
75	–	num=numl;
76	–	}
77	–	#endif
275
276		return num;
277		}
#	Line 125 | Line 322 | int statgrab_init(){
322		#ifdef ALLBSD
323		{
324		kvm_t *kvmd = get_kvm();
325	<	if (kvmd == NULL) return 1;
325	>	if (kvmd == NULL) return 1;
326		}
327		#endif
328		#ifdef NETBSD
#	Line 133 | Line 330 | int statgrab_init(){
330		struct uvmexp *uvm = get_uvmexp();
331		if (uvm == NULL) return 1;
332		}
333	+	#endif
334	+	#ifdef SOLARIS
335	+	build_mapping();
336		#endif
337		return 0;
338		}

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