436 строки
16 KiB
C
436 строки
16 KiB
C
/*
|
|
* Copyright (c) 2004-2010 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2011 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* Copyright (c) 2006-2013 Los Alamos National Security, LLC.
|
|
* All rights reserved.
|
|
* Copyright (c) 2009-2012 Cisco Systems, Inc. All rights reserved.
|
|
* Copyright (c) 2011 Oak Ridge National Labs. All rights reserved.
|
|
* Copyright (c) 2013-2017 Intel, Inc. All rights reserved.
|
|
* Copyright (c) 2016 Research Organization for Information Science
|
|
* and Technology (RIST). All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*
|
|
*/
|
|
|
|
#include "orte_config.h"
|
|
#include "orte/types.h"
|
|
#include "opal/types.h"
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#include <fcntl.h>
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#ifdef HAVE_ARPA_INET_H
|
|
#include <arpa/inet.h>
|
|
#endif
|
|
#ifdef HAVE_NETDB_H
|
|
#include <netdb.h>
|
|
#endif
|
|
#include <ctype.h>
|
|
|
|
#include "opal/runtime/opal_progress_threads.h"
|
|
#include "opal/util/show_help.h"
|
|
#include "opal/util/error.h"
|
|
#include "opal/util/output.h"
|
|
#include "opal/opal_socket_errno.h"
|
|
#include "opal/util/if.h"
|
|
#include "opal/util/net.h"
|
|
#include "opal/util/argv.h"
|
|
#include "opal/class/opal_hash_table.h"
|
|
#include "opal/mca/sec/sec.h"
|
|
|
|
#include "orte/mca/errmgr/errmgr.h"
|
|
#include "orte/mca/ess/ess.h"
|
|
#include "orte/mca/routed/routed.h"
|
|
#include "orte/util/name_fns.h"
|
|
#include "orte/util/parse_options.h"
|
|
#include "orte/util/show_help.h"
|
|
#include "orte/runtime/orte_globals.h"
|
|
|
|
#include "orte/mca/oob/tcp/oob_tcp.h"
|
|
#include "orte/mca/oob/tcp/oob_tcp_component.h"
|
|
#include "orte/mca/oob/tcp/oob_tcp_peer.h"
|
|
#include "orte/mca/oob/tcp/oob_tcp_common.h"
|
|
#include "orte/mca/oob/tcp/oob_tcp_connection.h"
|
|
#include "orte/mca/oob/tcp/oob_tcp_sendrecv.h"
|
|
|
|
static void accept_connection(const int accepted_fd,
|
|
const struct sockaddr *addr);
|
|
static void ping(const orte_process_name_t *proc);
|
|
static void send_nb(orte_rml_send_t *msg);
|
|
static void resend(struct mca_oob_tcp_msg_error_t *mop);
|
|
static void ft_event(int state);
|
|
|
|
mca_oob_tcp_module_t mca_oob_tcp_module = {
|
|
.accept_connection = accept_connection,
|
|
.ping = ping,
|
|
.send_nb = send_nb,
|
|
.resend = resend,
|
|
.ft_event = ft_event
|
|
};
|
|
|
|
/*
|
|
* Local utility functions
|
|
*/
|
|
static void recv_handler(int sd, short flags, void* user);
|
|
|
|
/* Called by mca_oob_tcp_accept() and connection_handler() on
|
|
* a socket that has been accepted. This call finishes processing the
|
|
* socket, including setting socket options and registering for the
|
|
* OOB-level connection handshake. Used in both the threaded and
|
|
* event listen modes.
|
|
*/
|
|
static void accept_connection(const int accepted_fd,
|
|
const struct sockaddr *addr)
|
|
{
|
|
opal_output_verbose(OOB_TCP_DEBUG_CONNECT, orte_oob_base_framework.framework_output,
|
|
"%s accept_connection: %s:%d\n",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
opal_net_get_hostname(addr),
|
|
opal_net_get_port(addr));
|
|
|
|
/* setup socket options */
|
|
orte_oob_tcp_set_socket_options(accepted_fd);
|
|
|
|
/* use a one-time event to wait for receipt of peer's
|
|
* process ident message to complete this connection
|
|
*/
|
|
ORTE_ACTIVATE_TCP_ACCEPT_STATE(accepted_fd, addr, recv_handler);
|
|
}
|
|
|
|
/* API functions */
|
|
static void ping(const orte_process_name_t *proc)
|
|
{
|
|
mca_oob_tcp_peer_t *peer;
|
|
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:[%s:%d] processing ping to peer %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
__FILE__, __LINE__,
|
|
ORTE_NAME_PRINT(proc));
|
|
|
|
/* do we know this peer? */
|
|
if (NULL == (peer = mca_oob_tcp_peer_lookup(proc))) {
|
|
/* push this back to the component so it can try
|
|
* another module within this transport. If no
|
|
* module can be found, the component can push back
|
|
* to the framework so another component can try
|
|
*/
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:[%s:%d] hop %s unknown",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
__FILE__, __LINE__,
|
|
ORTE_NAME_PRINT(proc));
|
|
ORTE_ACTIVATE_TCP_MSG_ERROR(NULL, NULL, proc, mca_oob_tcp_component_hop_unknown);
|
|
return;
|
|
}
|
|
|
|
/* has this peer had a progress thread assigned yet? */
|
|
if (NULL == peer->ev_base) {
|
|
/* nope - assign one */
|
|
ORTE_OOB_TCP_NEXT_BASE(peer);
|
|
}
|
|
|
|
/* if we are already connected, there is nothing to do */
|
|
if (MCA_OOB_TCP_CONNECTED == peer->state) {
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:[%s:%d] already connected to peer %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
__FILE__, __LINE__,
|
|
ORTE_NAME_PRINT(proc));
|
|
return;
|
|
}
|
|
|
|
/* if we are already connecting, there is nothing to do */
|
|
if (MCA_OOB_TCP_CONNECTING == peer->state ||
|
|
MCA_OOB_TCP_CONNECT_ACK == peer->state) {
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:[%s:%d] already connecting to peer %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
__FILE__, __LINE__,
|
|
ORTE_NAME_PRINT(proc));
|
|
return;
|
|
}
|
|
|
|
/* attempt the connection */
|
|
peer->state = MCA_OOB_TCP_CONNECTING;
|
|
ORTE_ACTIVATE_TCP_CONN_STATE(peer, mca_oob_tcp_peer_try_connect);
|
|
}
|
|
|
|
static void send_nb(orte_rml_send_t *msg)
|
|
{
|
|
mca_oob_tcp_peer_t *peer;
|
|
orte_process_name_t hop;
|
|
|
|
|
|
/* do we have a route to this peer (could be direct)? */
|
|
hop = orte_routed.get_route(msg->routed, &msg->dst);
|
|
/* do we know this hop? */
|
|
if (NULL == (peer = mca_oob_tcp_peer_lookup(&hop))) {
|
|
/* push this back to the component so it can try
|
|
* another module within this transport. If no
|
|
* module can be found, the component can push back
|
|
* to the framework so another component can try
|
|
*/
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:[%s:%d] processing send to peer %s:%d seq_num = %d hop %s unknown",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
__FILE__, __LINE__,
|
|
ORTE_NAME_PRINT(&msg->dst), msg->tag, msg->seq_num,
|
|
ORTE_NAME_PRINT(&hop));
|
|
ORTE_ACTIVATE_TCP_NO_ROUTE(msg, &hop, mca_oob_tcp_component_no_route);
|
|
return;
|
|
}
|
|
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:[%s:%d] processing send to peer %s:%d seq_num = %d via %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
__FILE__, __LINE__,
|
|
ORTE_NAME_PRINT(&msg->dst), msg->tag, msg->seq_num,
|
|
ORTE_NAME_PRINT(&peer->name));
|
|
/* has this peer had a progress thread assigned yet? */
|
|
if (NULL == peer->ev_base) {
|
|
/* nope - assign one */
|
|
ORTE_OOB_TCP_NEXT_BASE(peer);
|
|
}
|
|
/* add the msg to the hop's send queue */
|
|
if (MCA_OOB_TCP_CONNECTED == peer->state) {
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s tcp:send_nb: already connected to %s - queueing for send",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&peer->name));
|
|
MCA_OOB_TCP_QUEUE_SEND(msg, peer);
|
|
return;
|
|
}
|
|
|
|
/* add the message to the queue for sending after the
|
|
* connection is formed
|
|
*/
|
|
MCA_OOB_TCP_QUEUE_PENDING(msg, peer);
|
|
|
|
if (MCA_OOB_TCP_CONNECTING != peer->state &&
|
|
MCA_OOB_TCP_CONNECT_ACK != peer->state) {
|
|
/* we have to initiate the connection - again, we do not
|
|
* want to block while the connection is created.
|
|
* So throw us into an event that will create
|
|
* the connection via a mini-state-machine :-)
|
|
*/
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s tcp:send_nb: initiating connection to %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&peer->name));
|
|
peer->state = MCA_OOB_TCP_CONNECTING;
|
|
ORTE_ACTIVATE_TCP_CONN_STATE(peer, mca_oob_tcp_peer_try_connect);
|
|
}
|
|
}
|
|
|
|
static void resend(struct mca_oob_tcp_msg_error_t *mpi)
|
|
{
|
|
mca_oob_tcp_msg_error_t *mp = (mca_oob_tcp_msg_error_t*)mpi;
|
|
mca_oob_tcp_peer_t *peer;
|
|
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:tcp processing resend to peer %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&mp->hop));
|
|
|
|
/* do we know this peer? */
|
|
if (NULL == (peer = mca_oob_tcp_peer_lookup(&mp->hop))) {
|
|
/* push this back to the component so it can try
|
|
* another module within this transport. If no
|
|
* module can be found, the component can push back
|
|
* to the framework so another component can try
|
|
*/
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:[%s:%d] peer %s unknown",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
__FILE__, __LINE__,
|
|
ORTE_NAME_PRINT(&mp->hop));
|
|
ORTE_ACTIVATE_TCP_MSG_ERROR(mp->snd, NULL, &mp->hop, mca_oob_tcp_component_hop_unknown);
|
|
return;
|
|
}
|
|
|
|
/* should be impossible, but...has this peer had a progress thread assigned yet? */
|
|
if (NULL == peer->ev_base) {
|
|
/* nope - assign one */
|
|
ORTE_OOB_TCP_NEXT_BASE(peer);
|
|
}
|
|
|
|
/* add the msg to this peer's send queue */
|
|
if (MCA_OOB_TCP_CONNECTED == peer->state) {
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s tcp:resend: already connected to %s - queueing for send",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&peer->name));
|
|
MCA_OOB_TCP_QUEUE_MSG(peer, mp->snd, true);
|
|
return;
|
|
}
|
|
|
|
if (MCA_OOB_TCP_CONNECTING != peer->state &&
|
|
MCA_OOB_TCP_CONNECT_ACK != peer->state) {
|
|
/* add the message to the queue for sending after the
|
|
* connection is formed
|
|
*/
|
|
MCA_OOB_TCP_QUEUE_MSG(peer, mp->snd, false);
|
|
/* we have to initiate the connection - again, we do not
|
|
* want to block while the connection is created.
|
|
* So throw us into an event that will create
|
|
* the connection via a mini-state-machine :-)
|
|
*/
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s tcp:send_nb: initiating connection to %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&peer->name));
|
|
peer->state = MCA_OOB_TCP_CONNECTING;
|
|
ORTE_ACTIVATE_TCP_CONN_STATE(peer, mca_oob_tcp_peer_try_connect);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Event callback when there is data available on the registered
|
|
* socket to recv. This is called for the listen sockets to accept an
|
|
* incoming connection, on new sockets trying to complete the software
|
|
* connection process, and for probes. Data on an established
|
|
* connection is handled elsewhere.
|
|
*/
|
|
static void recv_handler(int sd, short flg, void *cbdata)
|
|
{
|
|
mca_oob_tcp_conn_op_t *op = (mca_oob_tcp_conn_op_t*)cbdata;
|
|
int flags;
|
|
mca_oob_tcp_hdr_t hdr;
|
|
mca_oob_tcp_peer_t *peer;
|
|
|
|
opal_output_verbose(OOB_TCP_DEBUG_CONNECT, orte_oob_base_framework.framework_output,
|
|
"%s:tcp:recv:handler called",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
|
|
|
|
/* get the handshake */
|
|
if (ORTE_SUCCESS != mca_oob_tcp_peer_recv_connect_ack(NULL, sd, &hdr)) {
|
|
goto cleanup;
|
|
}
|
|
|
|
/* finish processing ident */
|
|
if (MCA_OOB_TCP_IDENT == hdr.type) {
|
|
if (NULL == (peer = mca_oob_tcp_peer_lookup(&hdr.origin))) {
|
|
/* should never happen */
|
|
mca_oob_tcp_peer_close(peer);
|
|
goto cleanup;
|
|
}
|
|
/* set socket up to be non-blocking */
|
|
if ((flags = fcntl(sd, F_GETFL, 0)) < 0) {
|
|
opal_output(0, "%s mca_oob_tcp_recv_connect: fcntl(F_GETFL) failed: %s (%d)",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), strerror(opal_socket_errno), opal_socket_errno);
|
|
} else {
|
|
flags |= O_NONBLOCK;
|
|
if (fcntl(sd, F_SETFL, flags) < 0) {
|
|
opal_output(0, "%s mca_oob_tcp_recv_connect: fcntl(F_SETFL) failed: %s (%d)",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), strerror(opal_socket_errno), opal_socket_errno);
|
|
}
|
|
}
|
|
/* is the peer instance willing to accept this connection */
|
|
peer->sd = sd;
|
|
if (mca_oob_tcp_peer_accept(peer) == false) {
|
|
if (OOB_TCP_DEBUG_CONNECT <= opal_output_get_verbosity(orte_oob_base_framework.framework_output)) {
|
|
opal_output(0, "%s-%s mca_oob_tcp_recv_connect: "
|
|
"rejected connection from %s connection state %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&(peer->name)),
|
|
ORTE_NAME_PRINT(&(hdr.origin)),
|
|
peer->state);
|
|
}
|
|
CLOSE_THE_SOCKET(sd);
|
|
}
|
|
}
|
|
|
|
cleanup:
|
|
OBJ_RELEASE(op);
|
|
}
|
|
|
|
/* Dummy function for when we are not using FT. */
|
|
#if OPAL_ENABLE_FT_CR == 0
|
|
static void ft_event(int state)
|
|
{
|
|
return;
|
|
}
|
|
|
|
#else
|
|
static void ft_event(int state) {
|
|
#if 0
|
|
opal_list_item_t *item;
|
|
#endif
|
|
|
|
if(OPAL_CRS_CHECKPOINT == state) {
|
|
#if 0
|
|
/*
|
|
* Disable event processing while we are working
|
|
*/
|
|
opal_event_disable();
|
|
#endif
|
|
}
|
|
else if(OPAL_CRS_CONTINUE == state) {
|
|
#if 0
|
|
/*
|
|
* Resume event processing
|
|
*/
|
|
opal_event_enable();
|
|
}
|
|
else if(OPAL_CRS_RESTART == state) {
|
|
/*
|
|
* Clean out cached connection information
|
|
* Select pieces of finalize/init
|
|
*/
|
|
for (item = opal_list_remove_first(&mca_oob_tcp_module.peer_list);
|
|
item != NULL;
|
|
item = opal_list_remove_first(&mca_oob_tcp_module.peer_list)) {
|
|
mca_oob_tcp_peer_t* peer = (mca_oob_tcp_peer_t*)item;
|
|
/* JJH: Use the below command for debugging restarts with invalid sockets
|
|
* mca_oob_tcp_peer_dump(peer, "RESTART CLEAN")
|
|
*/
|
|
MCA_OOB_TCP_PEER_RETURN(peer);
|
|
}
|
|
|
|
OBJ_DESTRUCT(&mca_oob_tcp_module.peer_free);
|
|
OBJ_DESTRUCT(&mca_oob_tcp_module.peer_names);
|
|
OBJ_DESTRUCT(&mca_oob_tcp_module.peers);
|
|
OBJ_DESTRUCT(&mca_oob_tcp_module.peer_list);
|
|
|
|
OBJ_CONSTRUCT(&mca_oob_tcp_module.peer_list, opal_list_t);
|
|
OBJ_CONSTRUCT(&mca_oob_tcp_module.peers, opal_hash_table_t);
|
|
OBJ_CONSTRUCT(&mca_oob_tcp_module.peer_names, opal_hash_table_t);
|
|
OBJ_CONSTRUCT(&mca_oob_tcp_module.peer_free, opal_free_list_t);
|
|
|
|
/*
|
|
* Resume event processing
|
|
*/
|
|
opal_event_enable();
|
|
#endif
|
|
}
|
|
else if(OPAL_CRS_TERM == state ) {
|
|
;
|
|
}
|
|
else {
|
|
;
|
|
}
|
|
|
|
return;
|
|
}
|
|
#endif
|