int _tbx_ns_read(tbx_ns_t *ns, tbx_tbuf_t *buffer, unsigned int boff, int size, tbx_ns_timeout_t timeout, int dolock)
{
int total_bytes, i;
tbx_tbuf_t ns_tb;
if (size == 0) return(0);
if (dolock == 1) lock_read_ns(ns);
if (ns->sock_status(ns->sock) != 1) {
log_printf(15, "read_netstream: Dead connection! ns=%d\n", ns->id);
if (dolock == 1) unlock_read_ns(ns);
return(-1);
}
if (ns_read_chksum_state(ns) == 1) { //** We have chksumming enabled
if (size > ns->read_chksum.bytesleft) {
size = ns->read_chksum.bytesleft; //** Truncate at the block
}
}
//*** 1st grab anything currently in the network buffer ***
if (ns->end >= ns->start) {
i = ns->end - ns->start + 1;
if (i>size) {
total_bytes = size;
tbx_tbuf_single(&ns_tb, size, &(ns->buffer[ns->start]));
tbx_tbuf_copy(&ns_tb, 0, buffer, boff, size, 1);
ns->start = ns->start + total_bytes;
} else {
total_bytes = i;
tbx_tbuf_single(&ns_tb, i, &(ns->buffer[ns->start]));
tbx_tbuf_copy(&ns_tb, 0, buffer, boff, i, 1);
ns->start = 0;
ns->end = -1;
}
} else { //*** Now grab some data off the network port ****
total_bytes = ns->read(ns->sock, buffer, boff, size, timeout);
}
debug_code(
if (total_bytes > 0) {
// debug_printf(10, "read_netstream: Command : !");
// for (i=0; i< total_bytes; i++) debug_printf(10, "%c", buffer[i]);
// debug_printf(10, "! * nbytes =%d\n", total_bytes); flush_debug();
} else if (total_bytes == 0) {
debug_printf(10, "read_netstream: No data!\n");
} else {
log_printf(10, "read_netstream: Dead connection! ns=%d\n", tbx_ns_getid(ns));
}
)
int tbx_ns_chksum_write_flush(tbx_ns_t *ns)
{
char chksum_value[CHKSUM_MAX_SIZE];
int err, n;
tbx_tbuf_t buf;
log_printf(15, "ns_write_chksum_flush: injecting chksum! ns=%d type=%d bytesleft=" I64T " bsize=" I64T "\n",
tbx_ns_getid(ns), tbx_chksum_type(&(ns->write_chksum.chksum)), ns->write_chksum.bytesleft, ns->write_chksum.blocksize);
tbx_log_flush();
if (ns_write_chksum_state(ns) == 0) return(0);
if (ns->write_chksum.bytesleft == ns->write_chksum.blocksize) return(0); //** Nothing to do
n = tbx_chksum_size(&(ns->write_chksum.chksum), CHKSUM_DIGEST_HEX);
tbx_chksum_get(&(ns->write_chksum.chksum), CHKSUM_DIGEST_HEX, chksum_value);
ns->write_chksum.is_running = 0; //** Don't want to get in an endless loop
tbx_tbuf_single(&buf, n, chksum_value);
err = _write_netstream_block(ns, apr_time_now() + apr_time_make(5,0), &buf, 0, n, 0);
ns->write_chksum.is_running = 1;
if (err != 0) {
log_printf(10, "ns_write_chksum_flush: ns=%d Error writing chksum! error=%d\n", tbx_ns_getid(ns), err);
return(err);
}
chksum_value[n] = '\0';
log_printf(15, "ns_write_chksum_flush: ns=%d chksum_value=%s\n", tbx_ns_getid(ns), chksum_value);
log_printf(15, "ns_write_chksum_flush: end of routine! ns=%d\n err=%d", tbx_ns_getid(ns), err);
tbx_log_flush();
return(err);
}
int tbx_ns_chksum_read_flush(tbx_ns_t *ns)
{
char ns_value[CHKSUM_MAX_SIZE], chksum_value[CHKSUM_MAX_SIZE];
int err, n;
tbx_tbuf_t buf;
log_printf(15, "ns_read_chksum_flush: Reading chksum! ns=%d type=%d bleft=" I64T " bsize=" I64T " state=%d\n",
tbx_ns_getid(ns), tbx_chksum_type(&(ns->read_chksum.chksum)), ns->read_chksum.bytesleft, ns->read_chksum.blocksize, ns_read_chksum_state(ns));
tbx_log_flush();
if (ns_read_chksum_state(ns) == 0) return(0);
if (ns->read_chksum.bytesleft == ns->read_chksum.blocksize) return(0); //** Nothing to do
n = tbx_chksum_size(&(ns->read_chksum.chksum), CHKSUM_DIGEST_HEX);
ns->read_chksum.is_running = 0; //** Don't want to get in an endless loop
tbx_tbuf_single(&buf, n, ns_value);
err = _read_netstream_block(ns, apr_time_now() + apr_time_make(5,0), &buf, 0, n, 0);
ns_value[n] = '\0';
ns->read_chksum.is_running = 1;
log_printf(15, "ns_read_chksum_flush: Finished reading chksum! ns=%d\n", tbx_ns_getid(ns));
tbx_log_flush();
if (err != 0) {
log_printf(10, "ns_read_chksum_flush: ns=%d Error reading chksum! error=%d\n", tbx_ns_getid(ns), err);
return(err);
}
tbx_chksum_get(&(ns->read_chksum.chksum), CHKSUM_DIGEST_HEX, chksum_value);
log_printf(15, "ns_read_chksum_flush: after tbx_chksum_get! ns=%d\n", tbx_ns_getid(ns));
tbx_log_flush();
err = (strncmp(chksum_value, ns_value, n) == 0) ? 0 : 1;
log_printf(15, "ns_read_chksum_flush: ns=%d ns_value=%s cmp=%d\n", tbx_ns_getid(ns), ns_value, err);
log_printf(15, "ns_read_chksum_flush: ns=%d chksum_value=%s\n", tbx_ns_getid(ns), chksum_value);
if (err != 0) {
log_printf(1, "ns_read_chksum_flush: ns=%d chksum error!\n", tbx_ns_getid(ns));
log_printf(1, "ns_read_chksum_flush: ns=%d ns_value=%s cmp=%d\n", tbx_ns_getid(ns), ns_value, err);
log_printf(1, "ns_read_chksum_flush: ns=%d chksum_value=%s\n", tbx_ns_getid(ns), chksum_value);
}
log_printf(15, "ns_read_chksum_flush: end of routine! ns=%d\n err=%d", tbx_ns_getid(ns), err);
tbx_log_flush();
return(err);
}
unsigned long int IBP_load(ibp_cap_t *cap, ibp_timer_t *timer, char *data,
unsigned long int size, unsigned long int offset)
{
ibp_op_t op;
int err;
tbx_tbuf_t buf;
tbx_tbuf_single(&buf, size, data);
make_ibp_sync_context();
init_ibp_op(_ibp_sync, &op);
set_ibp_read_op(&op, cap, offset, &buf, 0, size, timer->ClientTimeout);
err = ibp_sync_command(&op);
gop_free(ibp_get_gop(&op), OP_FINALIZE);
if (err != IBP_OK) return(0);
return(size);
}
