static
void pscom_openib_handshake(pscom_con_t *con, int type, void *data, unsigned size)
{
switch (type) {
case PSCOM_INFO_ARCH_REQ: {
psoib_con_info_t *mcon = psoib_con_create();
con->arch.openib.mcon = mcon;
if (!mcon) goto error_con_create;
if (psoib_con_init(mcon, NULL, NULL)) goto error_con_init;
psoib_info_msg_t msg;
psoib_con_get_info_msg(mcon, &msg);
pscom_precon_send(con->precon, PSCOM_INFO_OIB_ID, &msg, sizeof(msg));
break; /* Next is OIB_ID or ARCH_NEXT */
}
case PSCOM_INFO_OIB_ID: {
psoib_info_msg_t *msg = data;
assert(sizeof(*msg) == size);
if (psoib_con_connect(con->arch.openib.mcon, msg)) goto error_con_connect;
pscom_precon_send(con->precon, PSCOM_INFO_ARCH_OK, NULL, 0);
break; /* Next is EOF or ARCH_NEXT */
}
case PSCOM_INFO_ARCH_OK:
pscom_con_guard_start(con);
break;
case PSCOM_INFO_ARCH_NEXT:
/* Cleanup con */
pscom_openib_con_cleanup(con);
break; /* Done (this one failed) */
case PSCOM_INFO_EOF:
pscom_openib_init_con(con);
break; /* Done (use this one) */
}
return;
/* --- */
error_con_create:
error_con_init:
error_con_connect:
pscom_openib_con_cleanup(con);
pscom_precon_send_PSCOM_INFO_ARCH_NEXT(con->precon);
}
static
void pscom_mxm_handshake(pscom_con_t *con, int type, void *data, unsigned size)
{
switch (type) {
case PSCOM_INFO_ARCH_REQ: {
psmxm_info_msg_t msg;
psmxm_con_info_t *ci = psmxm_con_create();
con->arch.mxm.ci = ci;
con->arch.mxm.reading = 0;
con->arch.mxm.sreq = NULL;
if (psmxm_con_init(ci)) goto error_con_init;
/* send my connection id's */
psmxm_con_get_info_msg(ci, &msg);
pscom_precon_send(con->precon, PSCOM_INFO_MXM_ID, &msg, sizeof(msg));
break; /* Next is PSCOM_INFO_MXM_ID or PSCOM_INFO_ARCH_NEXT */
}
case PSCOM_INFO_MXM_ID: {
psmxm_info_msg_t *msg = data;
assert(sizeof(*msg) == size);
if (psmxm_con_connect(con->arch.mxm.ci, msg, con)) goto error_con_connect;
pscom_precon_send(con->precon, PSCOM_INFO_ARCH_OK, NULL, 0);
break; /* Next is EOF or ARCH_NEXT */
}
case PSCOM_INFO_ARCH_NEXT:
/* Something failed. Cleanup. */
pscom_mxm_con_cleanup(con);
break; /* Done. Mxm failed */
case PSCOM_INFO_EOF:
pscom_mxm_init_con(con);
break; /* Done. Use Mxm */
}
return;
/* --- */
error_con_connect:
error_con_init:
pscom_mxm_con_cleanup(con);
pscom_precon_send_PSCOM_INFO_ARCH_NEXT(con->precon);
}
static
void pscom_tcp_handshake(pscom_con_t *con, int type, void *data, unsigned size)
{
precon_t *pre = con->precon;
switch (type) {
case PSCOM_INFO_ARCH_REQ:
pre->closefd_on_cleanup = 0; // Keep fd after usage
pscom_precon_send(pre, PSCOM_INFO_ARCH_OK, NULL, 0);
break;
case PSCOM_INFO_ARCH_OK:
if (pre) {
tcp_set_fd(con, pre->ufd_info.fd);
}
break;
case PSCOM_INFO_EOF:
tcp_init_con(con);
break;
}
}
