Cross Reference: /bind-9.6-ESV-R11/lib/isc/unix/entropy.c

Lines Matching refs:source
73 get_from_filesource(isc_entropysource_t *source, isc_uint32_t desired) {
74 	isc_entropy_t *ent = source->ent;
76 	int fd = source->sources.file.handle;
80 	if (source->bad)
105 	source->sources.file.handle = -1;
106 	source->bad = ISC_TRUE;
113 get_from_usocketsource(isc_entropysource_t *source, isc_uint32_t desired) {
114 	isc_entropy_t *ent = source->ent;
116 	int fd = source->sources.usocket.handle;
119 	size_t sz_to_recv = source->sources.usocket.sz_to_recv;
121 	if (source->bad)
131 		switch ( source->sources.usocket.status ) {
141 			source->sources.usocket.status =
156 				source->sources.usocket.status =
161 			source->sources.usocket.status =
195 			source->sources.usocket.status =
198 			source->sources.usocket.sz_to_recv = sz_to_recv;
221 			source->sources.usocket.sz_to_recv -= n;
223 			source->sources.usocket.status =
237 	source->bad = ISC_TRUE;
238 	source->sources.usocket.status = isc_usocketsource_disconnected;
239 	source->sources.usocket.handle = -1;
246  * Poll each source, trying to get data from it to stuff into the entropy
255 	isc_entropysource_t *source;
308 	 * Poll each file source to see if we can read anything useful from
322 	source = ent->nextsource;
332 		switch ( source->type ) {
334 			got = get_from_filesource(source, remaining);
338 			got = get_from_usocketsource(source, remaining);
346 		source = ISC_LIST_NEXT(source, link);
347 		if (source == NULL)
348 			source = ISC_LIST_HEAD(ent->sources);
350 	ent->nextsource = source;
362 	 * check to see if we have a callback source.  If so, call them.
364 	source = ISC_LIST_HEAD(ent->sources);
365 	while ((remaining != 0) && (source != NULL)) {
370 		if (source->type == ENTROPY_SOURCETYPE_CALLBACK)
371 			got = get_from_callback(source, remaining, blocking);
379 		source = ISC_LIST_NEXT(source, link);
391 	isc_entropysource_t *source;
401 	source = ISC_LIST_HEAD(ent->sources);
402 	while (source != NULL) {
403 		if (source->type == ENTROPY_SOURCETYPE_FILE) {
404 			fd = source->sources.file.handle;
410 		if (source->type == ENTROPY_SOURCETYPE_USOCKET) {
411 			fd = source->sources.usocket.handle;
413 				switch (source->sources.usocket.status) {
430 		source = ISC_LIST_NEXT(source, link);
444 destroyfilesource(isc_entropyfilesource_t *source) {
445 	(void)close(source->handle);
449 destroyusocketsource(isc_entropyusocketsource_t *source) {
450 	close(source->handle);
494 	isc_entropysource_t *source;
509 	 * the program to look at an actual FIFO as its source of
558 	source = isc_mem_get(ent->mctx, sizeof(isc_entropysource_t));
559 	if (source == NULL) {
567 	source->magic = SOURCE_MAGIC;
568 	source->ent = ent;
569 	source->total = 0;
570 	source->bad = ISC_FALSE;
571 	memset(source->name, 0, sizeof(source->name));
572 	ISC_LINK_INIT(source, link);
574 		source->sources.usocket.handle = fd;
576 			source->sources.usocket.status =
579 			source->sources.usocket.status =
581 		source->sources.usocket.sz_to_recv = 0;
582 		source->type = ENTROPY_SOURCETYPE_USOCKET;
584 		source->sources.file.handle = fd;
585 		source->type = ENTROPY_SOURCETYPE_FILE;
591 	ISC_LIST_APPEND(ent->sources, source, link);