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-rw-r--r--tools/hv/hv_kvp_daemon.c70
1 files changed, 14 insertions, 56 deletions
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index eaa3bec273c8..4c99c57736ce 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -193,11 +193,14 @@ static void kvp_update_mem_state(int pool)
193 for (;;) { 193 for (;;) {
194 readp = &record[records_read]; 194 readp = &record[records_read];
195 records_read += fread(readp, sizeof(struct kvp_record), 195 records_read += fread(readp, sizeof(struct kvp_record),
196 ENTRIES_PER_BLOCK * num_blocks, 196 ENTRIES_PER_BLOCK * num_blocks - records_read,
197 filep); 197 filep);
198 198
199 if (ferror(filep)) { 199 if (ferror(filep)) {
200 syslog(LOG_ERR, "Failed to read file, pool: %d", pool); 200 syslog(LOG_ERR,
201 "Failed to read file, pool: %d; error: %d %s",
202 pool, errno, strerror(errno));
203 kvp_release_lock(pool);
201 exit(EXIT_FAILURE); 204 exit(EXIT_FAILURE);
202 } 205 }
203 206
@@ -210,6 +213,7 @@ static void kvp_update_mem_state(int pool)
210 213
211 if (record == NULL) { 214 if (record == NULL) {
212 syslog(LOG_ERR, "malloc failed"); 215 syslog(LOG_ERR, "malloc failed");
216 kvp_release_lock(pool);
213 exit(EXIT_FAILURE); 217 exit(EXIT_FAILURE);
214 } 218 }
215 continue; 219 continue;
@@ -224,15 +228,11 @@ static void kvp_update_mem_state(int pool)
224 fclose(filep); 228 fclose(filep);
225 kvp_release_lock(pool); 229 kvp_release_lock(pool);
226} 230}
231
227static int kvp_file_init(void) 232static int kvp_file_init(void)
228{ 233{
229 int fd; 234 int fd;
230 FILE *filep;
231 size_t records_read;
232 char *fname; 235 char *fname;
233 struct kvp_record *record;
234 struct kvp_record *readp;
235 int num_blocks;
236 int i; 236 int i;
237 int alloc_unit = sizeof(struct kvp_record) * ENTRIES_PER_BLOCK; 237 int alloc_unit = sizeof(struct kvp_record) * ENTRIES_PER_BLOCK;
238 238
@@ -246,61 +246,19 @@ static int kvp_file_init(void)
246 246
247 for (i = 0; i < KVP_POOL_COUNT; i++) { 247 for (i = 0; i < KVP_POOL_COUNT; i++) {
248 fname = kvp_file_info[i].fname; 248 fname = kvp_file_info[i].fname;
249 records_read = 0;
250 num_blocks = 1;
251 sprintf(fname, "%s/.kvp_pool_%d", KVP_CONFIG_LOC, i); 249 sprintf(fname, "%s/.kvp_pool_%d", KVP_CONFIG_LOC, i);
252 fd = open(fname, O_RDWR | O_CREAT | O_CLOEXEC, 0644 /* rw-r--r-- */); 250 fd = open(fname, O_RDWR | O_CREAT | O_CLOEXEC, 0644 /* rw-r--r-- */);
253 251
254 if (fd == -1) 252 if (fd == -1)
255 return 1; 253 return 1;
256 254
257
258 filep = fopen(fname, "re");
259 if (!filep) {
260 close(fd);
261 return 1;
262 }
263
264 record = malloc(alloc_unit * num_blocks);
265 if (record == NULL) {
266 fclose(filep);
267 close(fd);
268 return 1;
269 }
270 for (;;) {
271 readp = &record[records_read];
272 records_read += fread(readp, sizeof(struct kvp_record),
273 ENTRIES_PER_BLOCK,
274 filep);
275
276 if (ferror(filep)) {
277 syslog(LOG_ERR, "Failed to read file, pool: %d",
278 i);
279 exit(EXIT_FAILURE);
280 }
281
282 if (!feof(filep)) {
283 /*
284 * We have more data to read.
285 */
286 num_blocks++;
287 record = realloc(record, alloc_unit *
288 num_blocks);
289 if (record == NULL) {
290 fclose(filep);
291 close(fd);
292 return 1;
293 }
294 continue;
295 }
296 break;
297 }
298 kvp_file_info[i].fd = fd; 255 kvp_file_info[i].fd = fd;
299 kvp_file_info[i].num_blocks = num_blocks; 256 kvp_file_info[i].num_blocks = 1;
300 kvp_file_info[i].records = record; 257 kvp_file_info[i].records = malloc(alloc_unit);
301 kvp_file_info[i].num_records = records_read; 258 if (kvp_file_info[i].records == NULL)
302 fclose(filep); 259 return 1;
303 260 kvp_file_info[i].num_records = 0;
261 kvp_update_mem_state(i);
304 } 262 }
305 263
306 return 0; 264 return 0;