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#include "network_backends.h"
#ifdef USE_SOLARIS_SENDFILEV
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <netdb.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include "network.h"
#include "fdevent.h"
#include "log.h"
#include "stat_cache.h"
#ifndef UIO_MAXIOV
#define UIO_MAXIOV IOV_MAX
#endif
/**
* a very simple sendfilev() interface for solaris which can be optimised a lot more
* as solaris sendfilev() supports 'sending everythin in one syscall()'
*
* If you want such an interface and need the performance, just give me an account on
* a solaris box.
* - jan@kneschke.de
*/
NETWORK_BACKEND_WRITE(solarissendfilev) {
chunk *c, *tc;
size_t chunks_written = 0;
for(c = cq->first; c; c = c->next, chunks_written++) {
int chunk_finished = 0;
network_status_t ret;
switch(c->type) {
case MEM_CHUNK:
ret = network_write_chunkqueue_writev_mem(srv, con, sock, cq, c);
/* check which chunks are finished now */
for (tc = c; tc; tc = tc->next) {
/* finished the chunk */
if (tc->offset == tc->mem->used - 1) {
/* skip the first c->next as that will be done by the c = c->next in the other for()-loop */
if (chunk_finished) {
c = c->next;
} else {
chunk_finished = 1;
}
} else {
break;
}
}
if (ret != NETWORK_STATUS_SUCCESS) {
return ret;
}
break;
case FILE_CHUNK: {
ssize_t r;
off_t offset;
size_t toSend, written = 0;
sendfilevec_t fvec;
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;
toSend = 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;
}
fvec.sfv_fd = ifd;
fvec.sfv_flag = 0;
fvec.sfv_off = offset;
fvec.sfv_len = toSend;
/* Solaris sendfilev() */
if (-1 == (r = sendfilev(sock->fd, &fvec, 1, &written))) {
switch (errno) {
case EAGAIN:
case EINTR:
break;
default:
ERROR("sendfilev() failed: %s (errno=%d)", strerror(errno), errno);
close(ifd);
return NETWORK_STATUS_FATAL_ERROR;
}
r = 0;
}
close(ifd);
c->offset += written;
cq->bytes_out += written;
if (c->offset == c->file.length) {
chunk_finished = 1;
}
break;
}
default:
ERROR("chunk-type '%s' is not known", c->type);
return NETWORK_STATUS_FATAL_ERROR;
}
if (!chunk_finished) {
/* not finished yet */
return NETWORK_STATUS_WAIT_FOR_EVENT;
}
}
return NETWORK_STATUS_SUCCESS;
}
#endif
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