Export li_chunkfile functions

personal/stbuehler/wip
Stefan Bühler 14 years ago
parent 82d7fd61e0
commit 24a34c3633

@ -74,6 +74,10 @@ struct liChunkIter {
* chunkfile *
******************/
liChunkFile *li_chunkfile_new(GString *name, int fd, gboolean is_temp);
void li_chunkfile_acquire(liChunkFile *cf);
void li_chunkfile_release(liChunkFile *cf);
/* open the file cf->name if it is not already opened for reading
* may return HANDLER_GO_ON, HANDLER_ERROR
*/
@ -142,6 +146,9 @@ LI_API void li_chunkqueue_append_bytearr(liChunkQueue *cq, GByteArray *mem);
/* memory gets copied */
LI_API void li_chunkqueue_append_mem(liChunkQueue *cq, const void *mem, gssize len);
/* increases reference for cf (if length > 0) */
LI_API void li_chunkqueue_append_chunkfile(liChunkQueue *cq, liChunkFile *cf, off_t start, off_t length);
/* pass ownership of filename, do not free it */
LI_API void li_chunkqueue_append_file(liChunkQueue *cq, GString *filename, off_t start, off_t length);
/* if you already opened the file, you can pass the fd here - do not close it */

@ -8,7 +8,7 @@
* chunkfile *
******************/
static liChunkFile *chunkfile_new(GString *name, int fd, gboolean is_temp) {
liChunkFile *li_chunkfile_new(GString *name, int fd, gboolean is_temp) {
liChunkFile *cf = g_slice_new(liChunkFile);
cf->refcount = 1;
if (name) {
@ -21,12 +21,12 @@ static liChunkFile *chunkfile_new(GString *name, int fd, gboolean is_temp) {
return cf;
}
static void chunkfile_acquire(liChunkFile *cf) {
void li_chunkfile_acquire(liChunkFile *cf) {
assert(g_atomic_int_get(&cf->refcount) > 0);
g_atomic_int_inc(&cf->refcount);
}
static void chunkfile_release(liChunkFile *cf) {
void li_chunkfile_release(liChunkFile *cf) {
if (!cf) return;
assert(g_atomic_int_get(&cf->refcount) > 0);
if (g_atomic_int_dec_and_test(&cf->refcount)) {
@ -314,7 +314,7 @@ static void chunk_free(liChunk *c) {
c->mem = NULL;
}
if (c->file.file) {
chunkfile_release(c->file.file);
li_chunkfile_release(c->file.file);
c->file.file = NULL;
}
if (c->file.mmap.data != MAP_FAILED) {
@ -536,10 +536,27 @@ void li_chunkqueue_append_mem(liChunkQueue *cq, const void *mem, gssize len) {
cqlimit_update(cq, c->mem->len);
}
/* increases reference for cf (if length > 0) */
void li_chunkqueue_append_chunkfile(liChunkQueue *cq, liChunkFile *cf, off_t start, off_t length) {
if (length) {
liChunk *c = chunk_new();
li_chunkfile_acquire(cf);
c->type = FILE_CHUNK;
c->file.file = cf;
c->file.start = start;
c->file.length = length;
g_queue_push_tail(cq->queue, c);
cq->length += length;
cq->bytes_in += length;
}
}
static void __chunkqueue_append_file(liChunkQueue *cq, GString *filename, off_t start, off_t length, int fd, gboolean is_temp) {
liChunk *c = chunk_new();
c->type = FILE_CHUNK;
c->file.file = chunkfile_new(filename, fd, is_temp);
c->file.file = li_chunkfile_new(filename, fd, is_temp);
c->file.start = start;
c->file.length = length;
@ -630,7 +647,7 @@ goffset li_chunkqueue_steal_len(liChunkQueue *out, liChunkQueue *in, goffset len
break;
case FILE_CHUNK:
cnew->type = FILE_CHUNK;
chunkfile_acquire(c->file.file);
li_chunkfile_acquire(c->file.file);
cnew->file.file = c->file.file;
cnew->file.start = c->file.start + c->offset;
cnew->file.length = length;

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