int _tbx_ns_write(tbx_ns_t *ns, tbx_tbuf_t *buffer, unsigned int boff, int bsize, tbx_ns_timeout_t timeout, int dolock)
{
int total_bytes, i;
if (dolock == 1) lock_write_ns(ns);
if (ns->sock_status(ns->sock) != 1) {
log_printf(15, "write_netstream: connection closed! ns=%d\n", ns->id);
if (dolock == 1) unlock_write_ns(ns);
return(-1);
}
if (bsize == 0) {
if (dolock == 1) unlock_write_ns(ns);
return(0);
}
if (ns_write_chksum_state(ns) == 1) { //** We have chksumming enabled
if (bsize > ns->write_chksum.bytesleft) {
bsize = ns->write_chksum.bytesleft; //** Truncate at the block
}
}
total_bytes = ns->write(ns->sock, buffer, boff, bsize, timeout);
if (total_bytes == -1) {
log_printf(10, "write_netstream: Dead connection! ns=%d\n", tbx_ns_getid(ns));
}
ns->last_write = apr_time_now();
if ((ns_write_chksum_state(ns) == 1) && (total_bytes > 0)) { //** We have chksumming enabled
tbx_chksum_add(&(ns->write_chksum.chksum), total_bytes, buffer, boff); //** Chksum it
ns->write_chksum.bytesleft -= total_bytes;
if (ns->write_chksum.bytesleft <= 0) { //** Reached the block size so inject the chksum
i = tbx_ns_chksum_write_flush(ns);
if (i != 0) total_bytes = NS_CHKSUM;
//** Reset the chksum
ns->write_chksum.bytesleft = ns->write_chksum.blocksize;
tbx_chksum_reset(&(ns->write_chksum.chksum));
}
}
if (dolock == 1) unlock_write_ns(ns);
return(total_bytes);
}
void unlock_ns(tbx_ns_t *ns)
{
unlock_write_ns(ns);
unlock_read_ns(ns);
}
void unlock_ns(NetStream_t *ns)
{
unlock_write_ns(ns);
unlock_read_ns(ns);
}
