846 строки
31 KiB
C
846 строки
31 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 Intel, Inc. 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/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 "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_ping.h"
|
|
|
|
static void tcp_init(struct mca_oob_tcp_module_t *mod);
|
|
static void tcp_fini(struct mca_oob_tcp_module_t *mod);
|
|
static void accept_connection(struct mca_oob_tcp_module_t *md,
|
|
const int accepted_fd,
|
|
const struct sockaddr *addr);
|
|
static void set_peer(struct mca_oob_tcp_module_t *md,
|
|
const orte_process_name_t* name,
|
|
const uint16_t af_family,
|
|
const char *net, const char *ports);
|
|
static void ping(struct mca_oob_tcp_module_t *mod,
|
|
const orte_process_name_t *proc);
|
|
static void send_nb(struct mca_oob_tcp_module_t *mod,
|
|
orte_rml_send_t *msg);
|
|
static void resend(struct mca_oob_tcp_msg_error_t *mop);
|
|
static void ft_event(struct mca_oob_tcp_module_t *mod, int state);
|
|
|
|
mca_oob_tcp_module_t mca_oob_tcp_module = {
|
|
{
|
|
tcp_init,
|
|
tcp_fini,
|
|
accept_connection,
|
|
set_peer,
|
|
ping,
|
|
send_nb,
|
|
resend,
|
|
ft_event
|
|
}
|
|
};
|
|
|
|
/*
|
|
* Local utility functions
|
|
*/
|
|
static void recv_handler(int sd, short flags, void* user);
|
|
static void* progress_thread_engine(opal_object_t *obj)
|
|
{
|
|
opal_thread_t *t = (opal_thread_t*)obj;
|
|
mca_oob_tcp_module_t *mod = (mca_oob_tcp_module_t*)t->t_arg;
|
|
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s PROGRESS THREAD RUNNING ON INTERFACE %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), mod->if_name);
|
|
|
|
while (mod->ev_active) {
|
|
opal_event_loop(mod->ev_base, OPAL_EVLOOP_ONCE);
|
|
}
|
|
return OPAL_THREAD_CANCELLED;
|
|
}
|
|
|
|
|
|
/*
|
|
* Initialize global variables used w/in this module.
|
|
*/
|
|
static void tcp_init(struct mca_oob_tcp_module_t *md)
|
|
{
|
|
mca_oob_tcp_module_t *mod = (mca_oob_tcp_module_t*)md;
|
|
|
|
/* setup the module's state variables */
|
|
OBJ_CONSTRUCT(&mod->peers, opal_hash_table_t);
|
|
opal_hash_table_init(&mod->peers, 32);
|
|
mod->ev_active = false;
|
|
|
|
if (orte_oob_base.use_module_threads) {
|
|
/* if we are to use independent progress threads at
|
|
* the module level, start it now
|
|
*/
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s STARTING TCP PROGRESS THREAD ON INTERFACE %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), mod->if_name);
|
|
mod->ev_base = opal_event_base_create();
|
|
/* construct the thread object */
|
|
OBJ_CONSTRUCT(&mod->progress_thread, opal_thread_t);
|
|
/* fork off a thread to progress it */
|
|
mod->progress_thread.t_run = progress_thread_engine;
|
|
mod->progress_thread.t_arg = mod;
|
|
mod->ev_active = true;
|
|
if (OPAL_SUCCESS != opal_thread_start(&mod->progress_thread)) {
|
|
opal_output(0, "%s progress thread failed to start for interface %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), mod->if_name);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Module cleanup.
|
|
*/
|
|
static void tcp_fini(struct mca_oob_tcp_module_t *md)
|
|
{
|
|
mca_oob_tcp_module_t *mod = (mca_oob_tcp_module_t*)md;
|
|
|
|
/* cleanup all peers */
|
|
OBJ_DESTRUCT(&mod->peers);
|
|
|
|
if (mod->ev_active) {
|
|
/* if we used an independent progress thread at
|
|
* the module level, stop it now
|
|
*/
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s STOPPING TCP PROGRESS THREAD ON INTERFACE %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), mod->if_name);
|
|
/* stop the progress thread */
|
|
mod->ev_active = false;
|
|
/* break the event loop */
|
|
opal_event_base_loopexit(mod->ev_base);
|
|
/* wait for thread to exit */
|
|
opal_thread_join(&mod->progress_thread, NULL);
|
|
OBJ_DESTRUCT(&mod->progress_thread);
|
|
/* release the event base */
|
|
opal_event_base_free(mod->ev_base);
|
|
}
|
|
}
|
|
|
|
/* 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(struct mca_oob_tcp_module_t *md,
|
|
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((mca_oob_tcp_module_t*)md, accepted_fd, addr, recv_handler);
|
|
}
|
|
|
|
static int parse_uri(const uint16_t af_family,
|
|
const char* host,
|
|
const char *port,
|
|
struct sockaddr* inaddr)
|
|
{
|
|
struct sockaddr_in *in;
|
|
#if OPAL_ENABLE_IPV6
|
|
struct addrinfo hints, *res;
|
|
int ret;
|
|
#endif
|
|
|
|
if (AF_INET == af_family) {
|
|
memset(inaddr, 0, sizeof(struct sockaddr_in));
|
|
in = (struct sockaddr_in*) inaddr;
|
|
in->sin_family = AF_INET;
|
|
in->sin_addr.s_addr = inet_addr(host);
|
|
if (in->sin_addr.s_addr == INADDR_ANY) {
|
|
return ORTE_ERR_BAD_PARAM;
|
|
}
|
|
((struct sockaddr_in*) inaddr)->sin_port = htons(atoi(port));
|
|
}
|
|
#if OPAL_ENABLE_IPV6
|
|
else if (AF_INET6 == af_family) {
|
|
size_t len;
|
|
memset(inaddr, 0, sizeof(struct sockaddr_in6));
|
|
memset(&hints, 0, sizeof(hints));
|
|
hints.ai_family = af_family;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
ret = getaddrinfo(host, NULL, &hints, &res);
|
|
|
|
if (ret) {
|
|
opal_output (0, "oob_tcp_parse_uri: Could not resolve %s. [Error: %s]\n",
|
|
host, gai_strerror (ret));
|
|
return ORTE_ERR_BAD_PARAM;
|
|
}
|
|
len = (res->ai_addrlen < sizeof(struct sockaddr_in6)) ? res->ai_addrlen : sizeof(struct sockaddr_in6);
|
|
memcpy(inaddr, res->ai_addr, len);
|
|
freeaddrinfo(res);
|
|
}
|
|
#endif
|
|
else {
|
|
return ORTE_ERR_NOT_SUPPORTED;
|
|
}
|
|
|
|
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Record listening address for this peer - the connection
|
|
* is created on first-send
|
|
*/
|
|
static void process_set_peer(int fd, short args, void *cbdata)
|
|
{
|
|
mca_oob_tcp_peer_op_t *pop = (mca_oob_tcp_peer_op_t*)cbdata;
|
|
struct sockaddr inaddr;
|
|
mca_oob_tcp_peer_t *peer;
|
|
int rc=ORTE_SUCCESS;
|
|
uint64_t *ui64 = (uint64_t*)(&pop->peer);
|
|
mca_oob_tcp_addr_t *maddr;
|
|
|
|
opal_output_verbose(OOB_TCP_DEBUG_CONNECT, orte_oob_base_framework.framework_output,
|
|
"%s:tcp:processing set_peer cmd for interface %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), pop->mod->if_name);
|
|
|
|
if (AF_INET != pop->af_family) {
|
|
goto cleanup;
|
|
}
|
|
|
|
if (NULL == (peer = mca_oob_tcp_peer_lookup(pop->mod, &pop->peer))) {
|
|
peer = OBJ_NEW(mca_oob_tcp_peer_t);
|
|
peer->name.jobid = pop->peer.jobid;
|
|
peer->name.vpid = pop->peer.vpid;
|
|
opal_output_verbose(20, orte_oob_base_framework.framework_output,
|
|
"%s SET_PEER ADDING PEER %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&pop->peer));
|
|
if (OPAL_SUCCESS != opal_hash_table_set_value_uint64(&(pop->mod)->peers, (*ui64), peer)) {
|
|
OBJ_RELEASE(peer);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ((rc = parse_uri(pop->af_family, pop->net, pop->port, (struct sockaddr*) &inaddr)) != ORTE_SUCCESS) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* do we already have this address? */
|
|
OPAL_LIST_FOREACH(maddr, &peer->addrs, mca_oob_tcp_addr_t) {
|
|
if (opal_net_samenetwork(&inaddr, (struct sockaddr*)&maddr->addr, 0)) {
|
|
/* yes - can ignore this address */
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
opal_output_verbose(20, orte_oob_base_framework.framework_output,
|
|
"%s set_peer: peer %s is listening on interface %s net %s port %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&pop->peer),
|
|
pop->mod->if_name,
|
|
(NULL == pop->net) ? "NULL" : pop->net,
|
|
(NULL == pop->port) ? "NULL" : pop->port);
|
|
maddr = OBJ_NEW(mca_oob_tcp_addr_t);
|
|
memcpy(&maddr->addr, &inaddr, sizeof(inaddr));
|
|
opal_list_append(&peer->addrs, &maddr->super);
|
|
/* track our module */
|
|
peer->mod = pop->mod;
|
|
|
|
cleanup:
|
|
OBJ_RELEASE(pop);
|
|
}
|
|
|
|
static void set_peer(struct mca_oob_tcp_module_t *md,
|
|
const orte_process_name_t *name,
|
|
const uint16_t af_family,
|
|
const char *net, const char *ports)
|
|
{
|
|
mca_oob_tcp_module_t *mod = (mca_oob_tcp_module_t*)md;
|
|
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:tcp set addr for peer %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(name));
|
|
|
|
/* have to push this into our event base for processing */
|
|
ORTE_ACTIVATE_TCP_PEER_OP(mod, name, af_family, net, ports, process_set_peer);
|
|
}
|
|
|
|
|
|
/* API functions */
|
|
static void process_ping(int fd, short args, void *cbdata)
|
|
{
|
|
mca_oob_tcp_ping_t *op = (mca_oob_tcp_ping_t*)cbdata;
|
|
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(&op->peer));
|
|
|
|
/* do we know this peer? */
|
|
if (NULL == (peer = mca_oob_tcp_peer_lookup(op->mod, &op->peer))) {
|
|
/* 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(&op->peer));
|
|
ORTE_ACTIVATE_TCP_MSG_ERROR(op->mod, NULL, NULL, &op->peer, mca_oob_tcp_component_hop_unknown);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* 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(&op->peer));
|
|
goto cleanup;
|
|
}
|
|
|
|
/* 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(&op->peer));
|
|
goto cleanup;
|
|
}
|
|
|
|
/* attempt the connection */
|
|
peer->state = MCA_OOB_TCP_CONNECTING;
|
|
ORTE_ACTIVATE_TCP_CONN_STATE(op->mod, peer, mca_oob_tcp_peer_try_connect);
|
|
|
|
cleanup:
|
|
OBJ_RELEASE(op);
|
|
}
|
|
|
|
static void ping(struct mca_oob_tcp_module_t *md,
|
|
const orte_process_name_t *proc)
|
|
{
|
|
mca_oob_tcp_module_t *mod = (mca_oob_tcp_module_t*)md;
|
|
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:[%s:%d] pinging peer %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
__FILE__, __LINE__,
|
|
ORTE_NAME_PRINT(proc));
|
|
|
|
/* push this into our event base for processing */
|
|
ORTE_ACTIVATE_TCP_PING(mod, proc, process_ping);
|
|
}
|
|
|
|
static void process_send(int fd, short args, void *cbdata)
|
|
{
|
|
mca_oob_tcp_msg_op_t *op = (mca_oob_tcp_msg_op_t*)cbdata;
|
|
mca_oob_tcp_peer_t *peer;
|
|
orte_process_name_t hop;
|
|
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s:[%s:%d] processing send to peer %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
__FILE__, __LINE__,
|
|
ORTE_NAME_PRINT(&op->msg->peer));
|
|
|
|
/* do we have a route to this peer (could be direct)? */
|
|
hop = orte_routed.get_route(&op->msg->peer);
|
|
/* do we know this hop? */
|
|
if (NULL == (peer = mca_oob_tcp_peer_lookup(op->mod, &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] hop %s unknown",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
__FILE__, __LINE__,
|
|
ORTE_NAME_PRINT(&hop));
|
|
ORTE_ACTIVATE_TCP_NO_ROUTE(op->mod, op->msg, &hop, mca_oob_tcp_component_no_route);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* 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(op->msg, peer);
|
|
goto cleanup;
|
|
}
|
|
|
|
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_PENDING(op->msg, peer);
|
|
/* 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(op->mod, peer, mca_oob_tcp_peer_try_connect);
|
|
}
|
|
|
|
cleanup:
|
|
OBJ_RELEASE(op);
|
|
}
|
|
|
|
static void send_nb(struct mca_oob_tcp_module_t *md,
|
|
orte_rml_send_t *msg)
|
|
{
|
|
mca_oob_tcp_module_t *mod = (mca_oob_tcp_module_t*)md;
|
|
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s tcp:send_nb to peer %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&msg->peer));
|
|
|
|
/* push this into our event base for processing */
|
|
ORTE_ACTIVATE_TCP_POST_SEND(mod, msg, process_send);
|
|
}
|
|
|
|
static void process_resend(int fd, short args, void *cbdata)
|
|
{
|
|
mca_oob_tcp_msg_error_t *op = (mca_oob_tcp_msg_error_t*)cbdata;
|
|
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(&op->hop));
|
|
|
|
/* do we know this peer? */
|
|
if (NULL == (peer = mca_oob_tcp_peer_lookup(op->mod, &op->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(&op->hop));
|
|
ORTE_ACTIVATE_TCP_MSG_ERROR(op->mod, op->snd, NULL, &op->hop, mca_oob_tcp_component_hop_unknown);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* 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, op->snd, true);
|
|
goto cleanup;
|
|
}
|
|
|
|
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, op->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(op->mod, peer, mca_oob_tcp_peer_try_connect);
|
|
}
|
|
|
|
cleanup:
|
|
OBJ_RELEASE(op);
|
|
}
|
|
|
|
static void resend(struct mca_oob_tcp_msg_error_t *mp)
|
|
{
|
|
mca_oob_tcp_msg_error_t *mop = (mca_oob_tcp_msg_error_t*)mp;
|
|
|
|
opal_output_verbose(2, orte_oob_base_framework.framework_output,
|
|
"%s tcp:resend to peer %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&mop->hop));
|
|
|
|
/* push this into our event base for processing */
|
|
ORTE_ACTIVATE_TCP_POST_RESEND(mop, process_resend);
|
|
}
|
|
|
|
/*
|
|
* Handle probe
|
|
*/
|
|
static void recv_probe(int sd, mca_oob_tcp_hdr_t* hdr)
|
|
{
|
|
unsigned char* ptr = (unsigned char*)hdr;
|
|
size_t cnt = 0;
|
|
|
|
opal_output_verbose(OOB_TCP_DEBUG_CONNECT, orte_oob_base_framework.framework_output,
|
|
"%s:tcp:recv:probe called",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
|
|
|
|
hdr->type = MCA_OOB_TCP_PROBE;
|
|
hdr->dst = hdr->origin;
|
|
hdr->origin = *ORTE_PROC_MY_NAME;
|
|
MCA_OOB_TCP_HDR_HTON(hdr);
|
|
|
|
while (cnt < sizeof(mca_oob_tcp_hdr_t)) {
|
|
int retval = send(sd, (char *)ptr+cnt, sizeof(mca_oob_tcp_hdr_t)-cnt, 0);
|
|
if (retval < 0) {
|
|
if (opal_socket_errno != EINTR && opal_socket_errno != EAGAIN && opal_socket_errno != EWOULDBLOCK) {
|
|
opal_output(0, "%s-%s mca_oob_tcp_peer_recv_probe: send() failed: %s (%d)\n",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&(hdr->dst)),
|
|
strerror(opal_socket_errno),
|
|
opal_socket_errno);
|
|
CLOSE_THE_SOCKET(sd);
|
|
return;
|
|
}
|
|
continue;
|
|
}
|
|
cnt += retval;
|
|
}
|
|
CLOSE_THE_SOCKET(sd);
|
|
}
|
|
|
|
/*
|
|
* Complete the OOB-level handshake to establish a connection with
|
|
* another peer. Called when the remote peer replies with his process
|
|
* identifier. Used in both the threaded and event listen modes.
|
|
*/
|
|
static void recv_connect(mca_oob_tcp_module_t *mod,
|
|
int sd, mca_oob_tcp_hdr_t* hdr)
|
|
{
|
|
mca_oob_tcp_peer_t* peer;
|
|
int flags;
|
|
int cmpval;
|
|
uint64_t *ui64;
|
|
|
|
opal_output_verbose(OOB_TCP_DEBUG_CONNECT, orte_oob_base_framework.framework_output,
|
|
"%s:tcp:recv:connect called",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
|
|
|
|
/* check for invalid name - if this is true, then we have an error
|
|
*/
|
|
cmpval = orte_util_compare_name_fields(ORTE_NS_CMP_ALL, &hdr->origin, ORTE_NAME_INVALID);
|
|
if (cmpval == OPAL_EQUAL) {
|
|
ORTE_ERROR_LOG(ORTE_ERR_VALUE_OUT_OF_BOUNDS);
|
|
return;
|
|
}
|
|
|
|
opal_output_verbose(OOB_TCP_DEBUG_CONNECT, orte_oob_base_framework.framework_output,
|
|
"%s mca_oob_tcp_recv_connect: processing connection from %s for socket %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&hdr->origin), sd);
|
|
|
|
/* lookup the corresponding process */
|
|
peer = mca_oob_tcp_peer_lookup(mod, &hdr->origin);
|
|
if (NULL == peer) {
|
|
opal_output_verbose(OOB_TCP_DEBUG_CONNECT, orte_oob_base_framework.framework_output,
|
|
"%s mca_oob_tcp_recv_connect: connection from new peer",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
|
|
peer = OBJ_NEW(mca_oob_tcp_peer_t);
|
|
peer->mod = mod;
|
|
peer->name = hdr->origin;
|
|
peer->state = MCA_OOB_TCP_ACCEPTING;
|
|
ui64 = (uint64_t*)(&peer->name);
|
|
if (OPAL_SUCCESS != opal_hash_table_set_value_uint64(&mod->peers, (*ui64), peer)) {
|
|
OBJ_RELEASE(peer);
|
|
return;
|
|
}
|
|
} else {
|
|
/* check for a race condition - if I was in the process of
|
|
* creating a connection to the peer, or have already established
|
|
* such a connection, then we need to reject this connection. We will
|
|
* let the higher ranked process retry - if I'm the lower ranked
|
|
* process, I'll simply defer until I receive the request
|
|
*/
|
|
if (MCA_OOB_TCP_CONNECTED == peer->state ||
|
|
MCA_OOB_TCP_CONNECTING == peer->state ||
|
|
MCA_OOB_TCP_CONNECT_ACK == peer->state) {
|
|
opal_output_verbose(OOB_TCP_DEBUG_CONNECT, orte_oob_base_framework.framework_output,
|
|
"%s SIMUL CONNECTION WITH %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(&hdr->origin));
|
|
if (peer->recv_ev_active) {
|
|
opal_event_del(&peer->recv_event);
|
|
peer->recv_ev_active = false;
|
|
}
|
|
if (peer->send_ev_active) {
|
|
opal_event_del(&peer->send_event);
|
|
peer->send_ev_active = false;
|
|
}
|
|
if (0 < peer->sd) {
|
|
CLOSE_THE_SOCKET(peer->sd);
|
|
peer->sd = -1;
|
|
}
|
|
CLOSE_THE_SOCKET(sd);
|
|
if (NULL != peer->active_addr) {
|
|
peer->active_addr->retries = 0;
|
|
}
|
|
cmpval = orte_util_compare_name_fields(ORTE_NS_CMP_ALL, &hdr->origin, ORTE_PROC_MY_NAME);
|
|
if (OPAL_VALUE1_GREATER == cmpval) {
|
|
/* force the other end to retry the connection */
|
|
peer->state = MCA_OOB_TCP_UNCONNECTED;
|
|
return;
|
|
} else {
|
|
/* retry the connection */
|
|
peer->state = MCA_OOB_TCP_CONNECTING;
|
|
ORTE_ACTIVATE_TCP_CONN_STATE(mod, peer, mca_oob_tcp_peer_try_connect);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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(mod, 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);
|
|
ui64 = (uint64_t*)(&peer->name);
|
|
opal_hash_table_set_value_uint64(&mod->peers, (*ui64), NULL);
|
|
OBJ_RELEASE(peer);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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 flags, void *cbdata)
|
|
{
|
|
mca_oob_tcp_conn_op_t *op = (mca_oob_tcp_conn_op_t*)cbdata;
|
|
mca_oob_tcp_hdr_t hdr;
|
|
int rc;
|
|
size_t cnt;
|
|
|
|
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));
|
|
|
|
/* ensure all is zero'd */
|
|
memset(&hdr, 0, sizeof(hdr));
|
|
|
|
/* recv the process identifier */
|
|
cnt = 0;
|
|
while (cnt < sizeof(hdr)) {
|
|
rc = recv(sd, (char *)&hdr, sizeof(hdr), 0);
|
|
if (0 == rc) {
|
|
if (OOB_TCP_DEBUG_CONNECT <= opal_output_get_verbosity(orte_oob_base_framework.framework_output)) {
|
|
opal_output(0, "%s mca_oob_tcp_recv_handler: peer closed connection",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
|
|
}
|
|
CLOSE_THE_SOCKET(sd);
|
|
goto cleanup;
|
|
} else if (rc < 0) {
|
|
if (opal_socket_errno != EINTR &&
|
|
opal_socket_errno != EAGAIN &&
|
|
opal_socket_errno != EWOULDBLOCK) {
|
|
opal_output(0, "%s mca_oob_tcp_recv_handler: recv() failed: %s (%d)\n",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), strerror(opal_socket_errno), opal_socket_errno);
|
|
CLOSE_THE_SOCKET(sd);
|
|
goto cleanup;
|
|
}
|
|
continue;
|
|
}
|
|
cnt += rc;
|
|
}
|
|
MCA_OOB_TCP_HDR_NTOH(&hdr);
|
|
|
|
/* dispatch based on message type */
|
|
switch (hdr.type) {
|
|
case MCA_OOB_TCP_PROBE:
|
|
recv_probe(sd, &hdr);
|
|
break;
|
|
case MCA_OOB_TCP_IDENT:
|
|
recv_connect(op->mod, sd, &hdr);
|
|
break;
|
|
default:
|
|
opal_output(0, "%s mca_oob_tcp_recv_handler: invalid message type: %d\n",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), hdr.type);
|
|
CLOSE_THE_SOCKET(sd);
|
|
break;
|
|
}
|
|
|
|
cleanup:
|
|
OBJ_RELEASE(op);
|
|
}
|
|
|
|
/* Dummy function for when we are not using FT. */
|
|
#if OPAL_ENABLE_FT_CR == 0
|
|
static void ft_event(struct mca_oob_tcp_module_t *mod, int state)
|
|
{
|
|
return;
|
|
}
|
|
|
|
#else
|
|
static void ft_event(struct mca_oob_tcp_module_t *mod, int state) {
|
|
opal_list_item_t *item;
|
|
|
|
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(&mod->peer_list);
|
|
item != NULL;
|
|
item = opal_list_remove_first(&mod->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(&mod->peer_free);
|
|
OBJ_DESTRUCT(&mod->peer_names);
|
|
OBJ_DESTRUCT(&mod->peers);
|
|
OBJ_DESTRUCT(&mod->peer_list);
|
|
|
|
OBJ_CONSTRUCT(&mod->peer_list, opal_list_t);
|
|
OBJ_CONSTRUCT(&mod->peers, opal_hash_table_t);
|
|
OBJ_CONSTRUCT(&mod->peer_names, opal_hash_table_t);
|
|
OBJ_CONSTRUCT(&mod->peer_free, opal_free_list_t);
|
|
|
|
/*
|
|
* Resume event processing
|
|
*/
|
|
opal_event_enable();
|
|
#endif
|
|
}
|
|
else if(OPAL_CRS_TERM == state ) {
|
|
;
|
|
}
|
|
else {
|
|
;
|
|
}
|
|
|
|
return;
|
|
}
|
|
#endif
|