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Diffstat (limited to 'src/network_freebsd_sendfile.c')
-rw-r--r--src/network_freebsd_sendfile.c76
1 files changed, 38 insertions, 38 deletions
diff --git a/src/network_freebsd_sendfile.c b/src/network_freebsd_sendfile.c
index f6f4d82..819d16f 100644
--- a/src/network_freebsd_sendfile.c
+++ b/src/network_freebsd_sendfile.c
@@ -26,7 +26,7 @@
#ifndef UIO_MAXIOV
# ifdef __FreeBSD__
-/* FreeBSD 4.7, 4.9 defined it in sys/uio.h only if _KERNEL is specified */
+/* FreeBSD 4.7, 4.9 defined it in sys/uio.h only if _KERNEL is specified */
# define UIO_MAXIOV 1024
# endif
#endif
@@ -34,30 +34,30 @@
int network_write_chunkqueue_freebsdsendfile(server *srv, connection *con, int fd, chunkqueue *cq) {
chunk *c;
size_t chunks_written = 0;
-
+
for(c = cq->first; c; c = c->next, chunks_written++) {
int chunk_finished = 0;
-
+
switch(c->type) {
case MEM_CHUNK: {
char * offset;
size_t toSend;
ssize_t r;
-
+
size_t num_chunks, i;
struct iovec chunks[UIO_MAXIOV];
chunk *tc;
size_t num_bytes = 0;
-
+
/* we can't send more then SSIZE_MAX bytes in one chunk */
-
- /* build writev list
- *
+
+ /* build writev list
+ *
* 1. limit: num_chunks < UIO_MAXIOV
* 2. limit: num_bytes < SSIZE_MAX
*/
for(num_chunks = 0, tc = c; tc && tc->type == MEM_CHUNK && num_chunks < UIO_MAXIOV; num_chunks++, tc = tc->next);
-
+
for(tc = c, i = 0; i < num_chunks; tc = tc->next, i++) {
if (tc->mem->used == 0) {
chunks[i].iov_base = tc->mem->ptr;
@@ -65,24 +65,24 @@ int network_write_chunkqueue_freebsdsendfile(server *srv, connection *con, int f
} else {
offset = tc->mem->ptr + tc->offset;
toSend = tc->mem->used - 1 - tc->offset;
-
+
chunks[i].iov_base = offset;
-
+
/* protect the return value of writev() */
if (toSend > SSIZE_MAX ||
num_bytes + toSend > SSIZE_MAX) {
chunks[i].iov_len = SSIZE_MAX - num_bytes;
-
+
num_chunks = i + 1;
break;
} else {
chunks[i].iov_len = toSend;
}
-
+
num_bytes += toSend;
}
}
-
+
if ((r = writev(fd, chunks, num_chunks)) < 0) {
switch (errno) {
case EAGAIN:
@@ -94,24 +94,24 @@ int network_write_chunkqueue_freebsdsendfile(server *srv, connection *con, int f
case ECONNRESET:
return -2;
default:
- log_error_write(srv, __FILE__, __LINE__, "ssd",
+ log_error_write(srv, __FILE__, __LINE__, "ssd",
"writev failed:", strerror(errno), fd);
-
+
return -1;
}
r = 0;
}
-
+
/* check which chunks have been written */
cq->bytes_out += r;
-
+
for(i = 0, tc = c; i < num_chunks; i++, tc = tc->next) {
if (r >= (ssize_t)chunks[i].iov_len) {
/* written */
r -= chunks[i].iov_len;
tc->offset += chunks[i].iov_len;
-
+
if (chunk_finished) {
/* skip the chunks from further touches */
chunks_written++;
@@ -122,14 +122,14 @@ int network_write_chunkqueue_freebsdsendfile(server *srv, connection *con, int f
}
} else {
/* partially written */
-
+
tc->offset += r;
chunk_finished = 0;
-
+
break;
}
}
-
+
break;
}
case FILE_CHUNK: {
@@ -137,32 +137,32 @@ int network_write_chunkqueue_freebsdsendfile(server *srv, connection *con, int f
size_t toSend;
stat_cache_entry *sce = NULL;
int ifd;
-
+
if (HANDLER_ERROR == stat_cache_get_entry(srv, con, c->file.name, &sce)) {
log_error_write(srv, __FILE__, __LINE__, "sb",
strerror(errno), c->file.name);
return -1;
}
-
+
offset = c->file.start + c->offset;
/* limit the toSend to 2^31-1 bytes in a chunk */
- toSend = c->file.length - c->offset > ((1 << 30) - 1) ?
+ toSend = c->file.length - c->offset > ((1 << 30) - 1) ?
((1 << 30) - 1) : c->file.length - c->offset;
-
+
if (offset > sce->st.st_size) {
log_error_write(srv, __FILE__, __LINE__, "sb", "file was shrinked:", c->file.name);
-
+
return -1;
}
-
+
if (-1 == (ifd = open(c->file.name->ptr, O_RDONLY))) {
log_error_write(srv, __FILE__, __LINE__, "ss", "open failed: ", strerror(errno));
-
+
return -1;
}
-
+
r = 0;
-
+
/* FreeBSD sendfile() */
if (-1 == sendfile(ifd, fd, offset, toSend, NULL, &r, 0)) {
switch(errno) {
@@ -178,26 +178,26 @@ int network_write_chunkqueue_freebsdsendfile(server *srv, connection *con, int f
}
}
close(ifd);
-
+
c->offset += r;
cq->bytes_out += r;
-
+
if (c->offset == c->file.length) {
chunk_finished = 1;
}
-
+
break;
}
default:
-
+
log_error_write(srv, __FILE__, __LINE__, "ds", c, "type not known");
-
+
return -1;
}
-
+
if (!chunk_finished) {
/* not finished yet */
-
+
break;
}
}