int
hstcpcli::request_send()
{
if (error_code < 0) {
return error_code;
}
clear_error();
if (fd.get() < 0) {
close();
return set_error(-1, "write: closed");
}
if (num_req_bufd == 0 || num_req_sent > 0 || num_req_rcvd > 0) {
close();
return set_error(-1, "request_send: protocol out of sync");
}
const size_t wrlen = writebuf.size();
const ssize_t r = send(fd.get(), writebuf.begin(), wrlen, MSG_NOSIGNAL);
if (r <= 0) {
close();
return set_error(-1, r < 0 ? "write: failed" : "write: eof");
}
writebuf.erase_front(r);
if (static_cast<size_t>(r) != wrlen) {
close();
return set_error(-1, "write: incomplete");
}
num_req_sent = num_req_bufd;
num_req_bufd = 0;
DBG(fprintf(stderr, "REQSEND 0\n"));
return 0;
}
void
hstcpcli::request_reset()
{
if (num_req_bufd) {
writebuf.erase_front(writebuf.size());
num_req_bufd = 0;
}
}
void
hstcpcli::response_buf_remove()
{
if (response_end_offset == 0) {
close();
set_error(-1, "response_buf_remove: protocol out of sync");
return;
}
readbuf.erase_front(response_end_offset);
response_end_offset = 0;
--num_req_rcvd;
cur_row_offset = 0;
num_flds = 0;
}