static
void pscom_process_rreq(psmxm_recv_req_t *rreq)
{
pscom_con_t *con = (pscom_con_t *)psmxm_recv_req_ctx(rreq);
size_t length = psmxm_recv_req_length(rreq);
pscom_read_done(con, rreq->data, length);
psmxm_recv_release(rreq);
}
static
int shm_do_read(pscom_poll_reader_t *reader)
{
pscom_con_t *con = list_entry(reader, pscom_con_t, poll_reader);
int ret;
char *buf;
unsigned int len;
ret = shm_canrecv(&con->arch.shm);
if (ret) {
shm_recvstart(&con->arch.shm, &buf, &len);
pscom_read_done(con, buf, len);
shm_recvdone(&con->arch.shm);
}
return ret;
}
static
int _pscom_extoll_rma2_do_read(pscom_con_t *con, psex_con_info_t *ci)
{
void *buf;
int size;
size = psex_recvlook(ci, &buf);
if (size >= 0) {
pscom_read_done(con, buf, size);
psex_recvdone(ci);
return 1;
} else if ((size == -EINTR) || (size == -EAGAIN)) {
// Nothing received
return 0;
} else {
// Error
errno = -size;
pscom_con_error(con, PSCOM_OP_READ, PSCOM_ERR_STDERROR);
return 1;
}
}
static
void tcp_do_read(ufd_t *ufd, ufd_funcinfo_t *ufd_info)
{
pscom_con_t *con = (pscom_con_t *) ufd_info->priv;
char *buf;
size_t len;
ssize_t rlen;
pscom_read_get_buf(con, &buf, &len);
rlen = recv(con->arch.tcp.ufd_info.fd, buf, len, MSG_NOSIGNAL | MSG_DONTWAIT);
if (rlen >= 0) {
pscom_read_done(con, buf, rlen);
} else if ((errno != EINTR) && (errno != EAGAIN)) {
goto err_con_broken;
}
return;
/* --- */
err_con_broken:
pscom_con_error(con, PSCOM_OP_READ, PSCOM_ERR_STDERROR);
return;
}
static
int _pscom_openib_do_read(pscom_con_t *con, psoib_con_info_t *mcon)
{
void *buf;
ssize_t size;
size = psoib_recvlook(mcon, &buf);
if (size >= 0) {
perf_add("openib_do_read");
pscom_read_done(con, buf, size);
psoib_recvdone(mcon);
return 1;
} else if ((size == -EINTR) || (size == -EAGAIN)) {
// Nothing received
return 0;
} else {
// Error
errno = -size;
pscom_con_error(con, PSCOM_OP_READ, PSCOM_ERR_STDERROR);
return 1;
}
}
