void h2o_socket__read_on_ready(h2o_socket_t *sock)
{
int status = 0;
if ((sock->_flags & H2O_SOCKET_FLAG_IS_ACCEPT) != 0)
goto Notify;
if (sock->ssl == NULL || sock->ssl->handshake.cb != NULL) {
status = on_read_core(sock->fd, &sock->input);
} else {
while (1) {
h2o_buf_t buf = h2o_allocate_input_buffer(&sock->input, 8192);
int rlen = SSL_read(sock->ssl->ssl, buf.base, (int)buf.len);
if (rlen == -1) {
if (SSL_get_error(sock->ssl->ssl, rlen) != SSL_ERROR_WANT_READ) {
status = -1;
}
break;
} else if (rlen == 0) {
break;
} else {
sock->input->size += rlen;
}
}
}
Notify:
sock->_cb.read(sock, status);
}
int decode_ssl_input(h2o_socket_t *sock)
{
assert(sock->ssl != NULL);
assert(sock->ssl->handshake.cb == NULL);
while (1) {
h2o_buf_t buf = h2o_allocate_input_buffer(&sock->input, 8192);
int rlen = SSL_read(sock->ssl->ssl, buf.base, (int)buf.len);
if (rlen == -1) {
if (SSL_get_error(sock->ssl->ssl, rlen) != SSL_ERROR_WANT_READ) {
return -1;
}
break;
} else if (rlen == 0) {
break;
} else {
sock->input->size += rlen;
}
}
return 0;
}
static int on_read_core(int fd, h2o_input_buffer_t** input)
{
int read_any = 0;
while (1) {
h2o_buf_t buf = h2o_allocate_input_buffer(input, 8192);
ssize_t rret;
while ((rret = read(fd, buf.base, buf.len)) == -1 && errno == EINTR)
;
if (rret == -1) {
if (errno == EAGAIN)
break;
else
return -1;
} else if (rret == 0) {
if (! read_any)
return -1; /* TODO notify close */
break;
}
(*input)->size += rret;
read_any = 1;
}
return 0;
}