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#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
ngx_chain_t *ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in)
{
int fd;
char *prev;
off_t fprev;
size_t sent, size;
ssize_t n;
ngx_int_t eintr;
ngx_err_t err;
sendfilevec_t *sfv;
ngx_array_t vec;
ngx_event_t *wev;
ngx_chain_t *cl;
wev = c->write;
if (!wev->ready) {
return in;
}
do {
fd = SFV_FD_SELF;
prev = NULL;
fprev = 0;
sfv = NULL;
eintr = 0;
sent = 0;
ngx_init_array(vec, c->pool, 10, sizeof(sendfilevec_t),
NGX_CHAIN_ERROR);
/* create the sendfilevec and coalesce the neighbouring hunks */
for (cl = in; cl; cl = cl->next) {
if (ngx_hunk_special(cl->hunk)) {
continue;
}
if (ngx_hunk_in_memory_only(cl->hunk)) {
fd = SFV_FD_SELF;
if (prev == cl->hunk->pos) {
sfv->sfv_len += cl->hunk->last - cl->hunk->pos;
} else {
ngx_test_null(sfv, ngx_push_array(&vec), NGX_CHAIN_ERROR);
sfv->sfv_fd = SFV_FD_SELF;
sfv->sfv_flag = 0;
sfv->sfv_off = (off_t) (uintptr_t) cl->hunk->pos;
sfv->sfv_len = cl->hunk->last - cl->hunk->pos;
}
prev = cl->hunk->last;
} else {
prev = NULL;
if (fd == cl->hunk->file->fd && fprev == cl->hunk->file_pos) {
sfv->sfv_len += cl->hunk->file_last - cl->hunk->file_pos;
} else {
ngx_test_null(sfv, ngx_push_array(&vec), NGX_CHAIN_ERROR);
fd = cl->hunk->file->fd;
sfv->sfv_fd = fd;
sfv->sfv_flag = 0;
sfv->sfv_off = cl->hunk->file_pos;
sfv->sfv_len = cl->hunk->file_last - cl->hunk->file_pos;
}
fprev = cl->hunk->file_last;
}
}
n = sendfilev(c->fd, vec.elts, vec.nelts, &sent);
if (n == -1) {
err = ngx_errno;
if (err == NGX_EINTR) {
eintr = 1;
}
if (err == NGX_EAGAIN || err == NGX_EINTR) {
ngx_log_error(NGX_LOG_INFO, c->log, err,
"sendfilev() sent only " SIZE_T_FMT " bytes",
sent);
} else {
wev->error = 1;
ngx_log_error(NGX_LOG_CRIT, c->log, err, "sendfilev() failed");
return NGX_CHAIN_ERROR;
}
}
#if (NGX_DEBUG_WRITE_CHAIN)
ngx_log_debug(c->log, "sendfilev: %d " SIZE_T_FMT _ n _ sent);
#endif
c->sent += sent;
for (cl = in; cl; cl = cl->next) {
if (ngx_hunk_special(cl->hunk)) {
continue;
}
if (sent == 0) {
break;
}
size = ngx_hunk_size(cl->hunk);
if (sent >= size) {
sent -= size;
if (cl->hunk->type & NGX_HUNK_IN_MEMORY) {
cl->hunk->pos = cl->hunk->last;
}
if (cl->hunk->type & NGX_HUNK_FILE) {
cl->hunk->file_pos = cl->hunk->file_last;
}
continue;
}
if (cl->hunk->type & NGX_HUNK_IN_MEMORY) {
cl->hunk->pos += sent;
}
if (cl->hunk->type & NGX_HUNK_FILE) {
cl->hunk->file_pos += sent;
}
break;
}
in = cl;
} while (eintr);
if (in) {
wev->ready = 0;
}
return in;
}
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