1136 строки
40 KiB
C
1136 строки
40 KiB
C
/*
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* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "orte_config.h"
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#include "orte/constants.h"
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#include "opal/types.h"
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#include <errno.h>
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#include <fcntl.h>
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#include "opal/class/opal_list.h"
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#include "opal/class/opal_ring_buffer.h"
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#include "opal/opal_socket_errno.h"
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#include "opal/util/output.h"
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#include "opal/util/argv.h"
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#include "opal/util/if.h"
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#include "opal/util/net.h"
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#include "opal/dss/dss.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/runtime/orte_wait.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/util/name_fns.h"
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#include "orte/util/show_help.h"
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#include "orte/threads/threads.h"
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#include "orte/mca/rmcast/base/private.h"
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#include "orte/mca/rmcast/base/base.h"
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#include "rmcast_udp.h"
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/* LOCAL DATA */
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static bool init_completed = false;
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static bool comm_enabled = false;
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static orte_thread_ctl_t ctl;
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/* LOCAL FUNCTIONS */
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static void recv_handler(int sd, short flags, void* user);
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static int setup_channel(rmcast_base_channel_t *chan, uint8_t direction);
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static int setup_socket(int *sd, rmcast_base_channel_t *chan, bool recvsocket);
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static int send_data(rmcast_base_send_t *snd, orte_rmcast_channel_t channel);
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static void resend_data(int status, orte_process_name_t* sender,
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opal_buffer_t* buffer, orte_rml_tag_t tag,
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void* cbdata);
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static void missed_msg(int status, orte_process_name_t* sender,
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opal_buffer_t* buffer, orte_rml_tag_t tag,
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void* cbdata);
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/* API FUNCTIONS */
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static int init(void);
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static void finalize(void);
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static int udp_send_buffer(orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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opal_buffer_t *buf);
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static int udp_send_buffer_nb(orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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opal_buffer_t *buf,
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orte_rmcast_callback_buffer_fn_t cbfunc,
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void *cbdata);
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static int udp_send(orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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struct iovec *msg, int count);
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static int udp_send_nb(orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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struct iovec *msg, int count,
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orte_rmcast_callback_fn_t cbfunc,
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void *cbdata);
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static int udp_recv_buffer(orte_process_name_t *sender,
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orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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orte_rmcast_seq_t *seq_num,
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opal_buffer_t *buf);
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static int udp_recv_buffer_nb(orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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orte_rmcast_flag_t flags,
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orte_rmcast_callback_buffer_fn_t cbfunc,
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void *cbdata);
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static int udp_recv(orte_process_name_t *sender,
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orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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orte_rmcast_seq_t *seq_num,
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struct iovec **msg, int *count);
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static int udp_recv_nb(orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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orte_rmcast_flag_t flags,
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orte_rmcast_callback_fn_t cbfunc,
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void *cbdata);
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static int open_channel(orte_rmcast_channel_t channel, char *name,
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char *network, int port, char *interface, uint8_t direction);
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static void enable_comm(void);
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static void disable_comm(void);
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/* Define the module */
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orte_rmcast_module_t orte_rmcast_udp_module = {
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init,
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finalize,
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udp_send,
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udp_send_nb,
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udp_send_buffer,
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udp_send_buffer_nb,
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udp_recv,
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udp_recv_nb,
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udp_recv_buffer,
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udp_recv_buffer_nb,
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orte_rmcast_base_cancel_recv,
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open_channel,
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orte_rmcast_base_close_channel,
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orte_rmcast_base_query,
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enable_comm,
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disable_comm,
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orte_rmcast_base_process_msg
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};
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/* during init, we setup two channels for both xmit and recv:
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* (a) a public address announcement channel. There are two variants
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* of this:
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* (1) system processes - e.g., daemons, tools. This channel
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* is reserved solely for their use in performing admin
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* functions
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* (2) application processes. This channel is used to announce
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* their existence and contact info for auto-wireup
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* (b) our own group's channel, which is where our own output
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* will be sent. At this time, we assume that we always
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* want to hear our peers, so this channels is also
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* bidirectional
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*
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* In addition, the HNP opens a third channel which is used solely
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* for cmd-control purposes. This is where a tool, for example, might
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* send a cmd to the HNP to take some action - there is no point in
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* having that cmd echo around to every daemon and/or other tool
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* in the system.
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*/
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static int init(void)
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{
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int rc;
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if (init_completed) {
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return ORTE_SUCCESS;
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}
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OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output, "%s rmcast:udp: init called",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
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/* setup local ctl */
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OBJ_CONSTRUCT(&ctl, orte_thread_ctl_t);
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/* flag that we are unreliable and need help */
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orte_rmcast_base.unreliable_xport = true;
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/* setup the respective public address channel */
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if (ORTE_PROC_IS_TOOL) {
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/* tools only open the sys channel */
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if (ORTE_SUCCESS != (rc = open_channel(ORTE_RMCAST_SYS_CHANNEL, "system",
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NULL, -1, NULL, ORTE_RMCAST_BIDIR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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orte_rmcast_base.my_output_channel = (rmcast_base_channel_t*)opal_list_get_last(&orte_rmcast_base.channels);
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orte_rmcast_base.my_input_channel = NULL;
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} else if (ORTE_PROC_IS_HNP || ORTE_PROC_IS_DAEMON) {
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/* daemons and hnp open the sys and data server channels */
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if (ORTE_SUCCESS != (rc = open_channel(ORTE_RMCAST_SYS_CHANNEL, "system",
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NULL, -1, NULL, ORTE_RMCAST_BIDIR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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orte_rmcast_base.my_output_channel = (rmcast_base_channel_t*)opal_list_get_last(&orte_rmcast_base.channels);
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orte_rmcast_base.my_input_channel = NULL;
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if (ORTE_SUCCESS != (rc = open_channel(ORTE_RMCAST_DATA_SERVER_CHANNEL, "data-server",
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NULL, -1, NULL, ORTE_RMCAST_BIDIR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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/* open the error reporting channel */
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if (ORTE_SUCCESS != (rc = open_channel(ORTE_RMCAST_ERROR_CHANNEL, "error",
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NULL, -1, NULL, ORTE_RMCAST_BIDIR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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} else if (ORTE_PROC_IS_APP) {
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/* apps open the app public and data server channels */
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if (ORTE_SUCCESS != (rc = open_channel(ORTE_RMCAST_APP_PUBLIC_CHANNEL, "app-announce",
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NULL, -1, NULL, ORTE_RMCAST_BIDIR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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if (ORTE_SUCCESS != (rc = open_channel(ORTE_RMCAST_DATA_SERVER_CHANNEL, "data-server",
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NULL, -1, NULL, ORTE_RMCAST_BIDIR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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/* open the error reporting channel */
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if (ORTE_SUCCESS != (rc = open_channel(ORTE_RMCAST_ERROR_CHANNEL, "error",
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NULL, -1, NULL, ORTE_RMCAST_BIDIR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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/* finally, if we are an app, setup our grp xmit/recv channels, if given */
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if (ORTE_PROC_IS_APP && NULL != orte_rmcast_base.my_group_name) {
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if (ORTE_SUCCESS != (rc = open_channel(orte_rmcast_base.my_group_number,
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"recv",
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NULL, -1, NULL, ORTE_RMCAST_BIDIR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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orte_rmcast_base.my_input_channel = (rmcast_base_channel_t*)opal_list_get_last(&orte_rmcast_base.channels);
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if (ORTE_SUCCESS != (rc = open_channel(orte_rmcast_base.my_group_number+1,
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"xmit",
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NULL, -1, NULL, ORTE_RMCAST_BIDIR))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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orte_rmcast_base.my_output_channel = (rmcast_base_channel_t*)opal_list_get_last(&orte_rmcast_base.channels);
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}
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} else {
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opal_output(0, "rmcast:udp:init - unknown process type");
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return ORTE_ERR_SILENT;
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}
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/* setup the recv for missed message replacement */
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if (ORTE_SUCCESS != (rc = orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD,
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ORTE_RML_TAG_MISSED_MSG,
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ORTE_RML_PERSISTENT,
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resend_data,
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NULL))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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if (ORTE_SUCCESS != (rc = orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD,
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ORTE_RML_TAG_MULTICAST,
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ORTE_RML_PERSISTENT,
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missed_msg,
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NULL))) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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/* start the recv threads */
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if (ORTE_SUCCESS != (rc = orte_rmcast_base_start_threads())) {
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ORTE_ERROR_LOG(rc);
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return rc;
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}
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init_completed = true;
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comm_enabled = true;
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return ORTE_SUCCESS;
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}
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static void finalize(void)
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{
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OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output, "%s rmcast:udp: finalize called",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
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/* stop the chatter */
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comm_enabled = false;
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/* stop the missed msg recv */
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orte_rml.recv_cancel(ORTE_NAME_WILDCARD, ORTE_RML_TAG_MISSED_MSG);
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orte_rml.recv_cancel(ORTE_NAME_WILDCARD, ORTE_RML_TAG_MULTICAST);
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/* stop the threads */
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orte_rmcast_base_stop_threads();
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OBJ_DESTRUCT(&ctl);
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init_completed = false;
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return;
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}
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static void enable_comm(void)
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{
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ORTE_ACQUIRE_THREAD(&ctl);
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orte_rmcast_base_start_threads();
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comm_enabled = true;
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ORTE_RELEASE_THREAD(&ctl);
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}
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static void disable_comm(void)
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{
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ORTE_ACQUIRE_THREAD(&ctl);
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comm_enabled = false;
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orte_rmcast_base_stop_threads();
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ORTE_RELEASE_THREAD(&ctl);
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}
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static int udp_send(orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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struct iovec *msg, int count)
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{
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rmcast_base_send_t snd;
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int ret;
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ORTE_ACQUIRE_THREAD(&ctl);
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if (!comm_enabled) {
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ORTE_RELEASE_THREAD(&ctl);
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return ORTE_ERR_COMM_DISABLED;
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}
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/* queue it to be sent - preserves order! */
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OBJ_CONSTRUCT(&snd, rmcast_base_send_t);
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snd.iovec_array = msg;
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snd.iovec_count = count;
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snd.tag = tag;
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if (ORTE_SUCCESS != (ret = send_data(&snd, channel))) {
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ORTE_ERROR_LOG(ret);
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}
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/* carefully release the send */
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snd.iovec_array = NULL;
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snd.iovec_count = 0;
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OBJ_DESTRUCT(&snd);
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ORTE_RELEASE_THREAD(&ctl);
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return ret;
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}
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static int udp_send_nb(orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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struct iovec *msg, int count,
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orte_rmcast_callback_fn_t cbfunc,
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void *cbdata)
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{
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int ret;
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rmcast_base_send_t snd;
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ORTE_ACQUIRE_THREAD(&ctl);
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if (!comm_enabled) {
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ORTE_RELEASE_THREAD(&ctl);
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return ORTE_ERR_COMM_DISABLED;
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}
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/* queue it to be sent - preserves order! */
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OBJ_CONSTRUCT(&snd, rmcast_base_send_t);
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snd.iovec_array = msg;
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snd.iovec_count = count;
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snd.tag = tag;
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snd.cbfunc_iovec = cbfunc;
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snd.cbdata = cbdata;
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if (ORTE_SUCCESS != (ret = send_data(&snd, channel))) {
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ORTE_ERROR_LOG(ret);
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}
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/* carefully release the send */
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snd.iovec_array = NULL;
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snd.iovec_count = 0;
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OBJ_DESTRUCT(&snd);
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ORTE_RELEASE_THREAD(&ctl);
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return ret;
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}
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static int udp_send_buffer(orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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opal_buffer_t *buf)
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{
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int ret;
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rmcast_base_send_t snd;
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ORTE_ACQUIRE_THREAD(&ctl);
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if (!comm_enabled) {
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ORTE_RELEASE_THREAD(&ctl);
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return ORTE_ERR_COMM_DISABLED;
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}
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/* queue it to be sent - preserves order! */
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OBJ_CONSTRUCT(&snd, rmcast_base_send_t);
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snd.buf = buf;
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snd.tag = tag;
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if (ORTE_SUCCESS != (ret = send_data(&snd, channel))) {
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ORTE_ERROR_LOG(ret);
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}
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/* carefully release the send */
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snd.buf = NULL;
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OBJ_DESTRUCT(&snd);
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ORTE_RELEASE_THREAD(&ctl);
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return ret;
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}
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static int udp_send_buffer_nb(orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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opal_buffer_t *buf,
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orte_rmcast_callback_buffer_fn_t cbfunc,
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void *cbdata)
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{
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int ret;
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rmcast_base_send_t snd;
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ORTE_ACQUIRE_THREAD(&ctl);
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if (!comm_enabled) {
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ORTE_RELEASE_THREAD(&ctl);
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return ORTE_ERR_COMM_DISABLED;
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}
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/* queue it to be sent - preserves order! */
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OBJ_CONSTRUCT(&snd, rmcast_base_send_t);
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snd.buf = buf;
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snd.tag = tag;
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snd.cbfunc_buffer = cbfunc;
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snd.cbdata = cbdata;
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if (ORTE_SUCCESS != (ret = send_data(&snd, channel))) {
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ORTE_ERROR_LOG(ret);
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}
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/* carefully release the send */
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snd.buf = NULL;
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OBJ_DESTRUCT(&snd);
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ORTE_RELEASE_THREAD(&ctl);
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return ret;
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}
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static int udp_recv(orte_process_name_t *name,
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orte_rmcast_channel_t channel,
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orte_rmcast_tag_t tag,
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orte_rmcast_seq_t *seq_num,
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struct iovec **msg, int *count)
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{
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rmcast_base_recv_t *recvptr;
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int ret;
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orte_rmcast_channel_t chan;
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ORTE_ACQUIRE_THREAD(&ctl);
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if (!comm_enabled) {
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ORTE_RELEASE_THREAD(&ctl);
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return ORTE_ERR_COMM_DISABLED;
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}
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if (ORTE_RMCAST_GROUP_INPUT_CHANNEL == channel) {
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chan = orte_rmcast_base.my_input_channel->channel;
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} else if (ORTE_RMCAST_GROUP_OUTPUT_CHANNEL == channel) {
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chan = orte_rmcast_base.my_output_channel->channel;
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} else {
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chan = channel;
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}
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if (ORTE_SUCCESS != (ret = orte_rmcast_base_queue_recv(&recvptr, chan, tag,
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ORTE_RMCAST_NON_PERSISTENT,
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NULL, NULL, NULL, true))) {
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ORTE_ERROR_LOG(ret);
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ORTE_RELEASE_THREAD(&ctl);
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return ret;
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}
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ORTE_RELEASE_THREAD(&ctl);
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ORTE_ACQUIRE_THREAD(&recvptr->ctl);
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/* xfer the data */
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if (NULL != name) {
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/* caller requested id of sender */
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name->jobid = recvptr->name.jobid;
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name->vpid = recvptr->name.vpid;
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}
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*seq_num = recvptr->seq_num;
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*msg = recvptr->iovec_array;
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*count = recvptr->iovec_count;
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/* carefully release the recv */
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recvptr->iovec_array = NULL;
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recvptr->iovec_count = 0;
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OBJ_RELEASE(recvptr);
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|
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
static int udp_recv_nb(orte_rmcast_channel_t channel,
|
|
orte_rmcast_tag_t tag,
|
|
orte_rmcast_flag_t flags,
|
|
orte_rmcast_callback_fn_t cbfunc, void *cbdata)
|
|
{
|
|
orte_rmcast_channel_t chan;
|
|
int ret;
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s rmcast:udp: recv_nb called on channel %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), channel));
|
|
|
|
ORTE_ACQUIRE_THREAD(&ctl);
|
|
|
|
if (ORTE_RMCAST_GROUP_INPUT_CHANNEL == channel) {
|
|
chan = orte_rmcast_base.my_input_channel->channel;
|
|
} else if (ORTE_RMCAST_GROUP_OUTPUT_CHANNEL == channel) {
|
|
chan = orte_rmcast_base.my_output_channel->channel;
|
|
} else {
|
|
chan = channel;
|
|
}
|
|
|
|
if (ORTE_SUCCESS != (ret = orte_rmcast_base_queue_recv(NULL, chan, tag, flags,
|
|
cbfunc, NULL, cbdata, false))) {
|
|
if (ORTE_EXISTS != ret) {
|
|
ORTE_ERROR_LOG(ret);
|
|
}
|
|
}
|
|
|
|
ORTE_RELEASE_THREAD(&ctl);
|
|
return ret;
|
|
}
|
|
|
|
static int udp_recv_buffer(orte_process_name_t *name,
|
|
orte_rmcast_channel_t channel,
|
|
orte_rmcast_tag_t tag,
|
|
orte_rmcast_seq_t *seq_num,
|
|
opal_buffer_t *buf)
|
|
{
|
|
rmcast_base_recv_t *recvptr;
|
|
int ret;
|
|
orte_rmcast_channel_t chan;
|
|
|
|
ORTE_ACQUIRE_THREAD(&ctl);
|
|
|
|
if (!comm_enabled) {
|
|
ORTE_RELEASE_THREAD(&ctl);
|
|
return ORTE_ERR_COMM_DISABLED;
|
|
}
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s rmcast:udp: recv_buffer called on multicast channel %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), channel));
|
|
|
|
if (ORTE_RMCAST_GROUP_INPUT_CHANNEL == channel) {
|
|
chan = orte_rmcast_base.my_input_channel->channel;
|
|
} else if (ORTE_RMCAST_GROUP_OUTPUT_CHANNEL == channel) {
|
|
chan = orte_rmcast_base.my_output_channel->channel;
|
|
} else {
|
|
chan = channel;
|
|
}
|
|
|
|
if (ORTE_SUCCESS != (ret = orte_rmcast_base_queue_recv(&recvptr, chan, tag,
|
|
ORTE_RMCAST_NON_PERSISTENT,
|
|
NULL, NULL, NULL, true))) {
|
|
ORTE_ERROR_LOG(ret);
|
|
ORTE_RELEASE_THREAD(&ctl);
|
|
return ret;
|
|
}
|
|
ORTE_RELEASE_THREAD(&ctl);
|
|
|
|
ORTE_ACQUIRE_THREAD(&recvptr->ctl);
|
|
|
|
/* xfer the data */
|
|
if (NULL != name) {
|
|
/* caller requested id of sender */
|
|
name->jobid = recvptr->name.jobid;
|
|
name->vpid = recvptr->name.vpid;
|
|
}
|
|
*seq_num = recvptr->seq_num;
|
|
if (ORTE_SUCCESS != (ret = opal_dss.copy_payload(buf, recvptr->buf))) {
|
|
ORTE_ERROR_LOG(ret);
|
|
}
|
|
/* release the data */
|
|
OBJ_RELEASE(recvptr);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int udp_recv_buffer_nb(orte_rmcast_channel_t channel,
|
|
orte_rmcast_tag_t tag,
|
|
orte_rmcast_flag_t flags,
|
|
orte_rmcast_callback_buffer_fn_t cbfunc, void *cbdata)
|
|
{
|
|
orte_rmcast_channel_t chan;
|
|
int ret;
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s rmcast:udp: recv_buffer_nb called on multicast channel %d tag %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), channel, tag));
|
|
|
|
ORTE_ACQUIRE_THREAD(&ctl);
|
|
|
|
if (ORTE_RMCAST_GROUP_INPUT_CHANNEL == channel) {
|
|
chan = orte_rmcast_base.my_input_channel->channel;
|
|
} else if (ORTE_RMCAST_GROUP_OUTPUT_CHANNEL == channel) {
|
|
chan = orte_rmcast_base.my_output_channel->channel;
|
|
} else {
|
|
chan = channel;
|
|
}
|
|
|
|
if (ORTE_SUCCESS != (ret = orte_rmcast_base_queue_recv(NULL, chan, tag, flags,
|
|
NULL, cbfunc, cbdata, false))) {
|
|
if (ORTE_EXISTS == ret) {
|
|
ret = ORTE_SUCCESS;
|
|
} else {
|
|
ORTE_ERROR_LOG(ret);
|
|
}
|
|
}
|
|
ORTE_RELEASE_THREAD(&ctl);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int open_channel(orte_rmcast_channel_t channel, char *name,
|
|
char *network, int port, char *interface, uint8_t direction)
|
|
{
|
|
opal_list_item_t *item;
|
|
rmcast_base_channel_t *nchan, *chan;
|
|
uint32_t netaddr=0, netmask=0, intr=0;
|
|
int rc;
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s opening channel %d for %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), channel, name));
|
|
|
|
/* parse the network, if provided */
|
|
if (NULL != network) {
|
|
if (ORTE_SUCCESS != (rc = opal_iftupletoaddr(network, &netaddr, &netmask))) {
|
|
orte_show_help("help-rmcast-base.txt", "invalid-net-mask", true, network, ORTE_ERROR_NAME(rc));
|
|
return ORTE_ERR_SILENT;
|
|
}
|
|
}
|
|
|
|
/* parse the interface, if provided */
|
|
if (NULL != interface) {
|
|
if (ORTE_SUCCESS != (rc = opal_iftupletoaddr(interface, &intr, NULL))) {
|
|
orte_show_help("help-rmcast-base.txt", "invalid-net-mask", true, interface, ORTE_ERROR_NAME(rc));
|
|
return ORTE_ERR_SILENT;
|
|
}
|
|
}
|
|
|
|
/* see if this name has already been assigned a channel on the specified network */
|
|
OPAL_OUTPUT_VERBOSE((7, orte_rmcast_base.rmcast_output,
|
|
"%s open_channel: searching for %s:%d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), name, channel));
|
|
|
|
chan = NULL;
|
|
ORTE_ACQUIRE_THREAD(&orte_rmcast_base.main_ctl);
|
|
for (item = opal_list_get_first(&orte_rmcast_base.channels);
|
|
item != opal_list_get_end(&orte_rmcast_base.channels);
|
|
item = opal_list_get_next(item)) {
|
|
nchan = (rmcast_base_channel_t*)item;
|
|
|
|
OPAL_OUTPUT_VERBOSE((7, orte_rmcast_base.rmcast_output,
|
|
"%s open_channel: channel %s:%d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
nchan->name, channel));
|
|
|
|
if (nchan->channel == channel ||
|
|
0 == strcasecmp(nchan->name, name)) {
|
|
/* check the network, if one was specified */
|
|
if (0 != netaddr && netaddr != (nchan->network & netmask)) {
|
|
continue;
|
|
}
|
|
chan = nchan;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (NULL != chan) {
|
|
/* already exists - check that the requested
|
|
* sockets are setup
|
|
*/
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s rmcast:udp using existing channel %s:%d network %03d.%03d.%03d.%03d port %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
chan->name, chan->channel,
|
|
OPAL_IF_FORMAT_ADDR(chan->network),
|
|
(int)chan->port));
|
|
|
|
if (ORTE_SUCCESS != (rc = setup_channel(chan, direction))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
ORTE_RELEASE_THREAD(&orte_rmcast_base.main_ctl);
|
|
return rc;
|
|
}
|
|
ORTE_RELEASE_THREAD(&orte_rmcast_base.main_ctl);
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
/* we didn't find an existing match, so create a new channel */
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s creating new channel %d for %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), channel, name));
|
|
|
|
chan = OBJ_NEW(rmcast_base_channel_t);
|
|
chan->name = strdup(name);
|
|
chan->channel = channel;
|
|
/* if we were not given a network, use the default */
|
|
if (NULL == network) {
|
|
chan->network = orte_rmcast_base.xmit_network + chan->channel;
|
|
} else {
|
|
chan->network = netaddr;
|
|
}
|
|
/* if we were not given an interface, use the default */
|
|
if (NULL == interface) {
|
|
chan->interface = orte_rmcast_base.interface;
|
|
} else {
|
|
chan->interface = intr;
|
|
}
|
|
/* if we were not given a port, use a default one */
|
|
if (port < 0) {
|
|
chan->port = orte_rmcast_base.ports[chan->channel];
|
|
} else {
|
|
chan->port = port;
|
|
}
|
|
opal_list_append(&orte_rmcast_base.channels, &chan->item);
|
|
ORTE_RELEASE_THREAD(&orte_rmcast_base.main_ctl);
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s rmcast:udp opening new channel %s:%d network %03d.%03d.%03d.%03d port %d for%s%s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
chan->name, chan->channel,
|
|
OPAL_IF_FORMAT_ADDR(chan->network),
|
|
(int)chan->port,
|
|
(ORTE_RMCAST_RECV & direction) ? " RECV" : " ",
|
|
(ORTE_RMCAST_XMIT & direction) ? " XMIT" : " "));
|
|
|
|
if (ORTE_SUCCESS != (rc = setup_channel(chan, direction))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
return rc;
|
|
}
|
|
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
/**** LOCAL FUNCTIONS ****/
|
|
static void recv_handler(int sd, short flags, void* cbdata)
|
|
{
|
|
uint8_t *data;
|
|
ssize_t sz;
|
|
rmcast_base_channel_t *chan = (rmcast_base_channel_t*)cbdata;
|
|
opal_buffer_t buf;
|
|
|
|
/* read the data */
|
|
data = (uint8_t*)malloc(orte_rmcast_udp_sndbuf_size * sizeof(uint8_t));
|
|
sz = read(sd, data, orte_rmcast_udp_sndbuf_size);
|
|
|
|
if (!comm_enabled) {
|
|
free(data);
|
|
return;
|
|
}
|
|
|
|
if (sz <= 0) {
|
|
/* this shouldn't happen - report the errno */
|
|
opal_output(0, "%s Error on multicast recv socket event: %s(%d)",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), strerror(errno), errno);
|
|
return;
|
|
}
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s rmcast:udp recvd %d bytes from channel %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
(int)sz, (int)chan->channel));
|
|
|
|
/* clear the way for the next message */
|
|
OBJ_CONSTRUCT(&buf, opal_buffer_t);
|
|
opal_dss.load(&buf, (void*)data, sz);
|
|
ORTE_MULTICAST_MESSAGE_EVENT(ORTE_NAME_INVALID, &buf);
|
|
OBJ_DESTRUCT(&buf);
|
|
return;
|
|
}
|
|
|
|
static void missed_msg(int status, orte_process_name_t* sender,
|
|
opal_buffer_t* buffer, orte_rml_tag_t tag,
|
|
void* cbdata)
|
|
{
|
|
opal_output(0, "%s RECVD MISSING MESSAGE", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
|
|
ORTE_MULTICAST_MESSAGE_EVENT(sender, buffer);
|
|
}
|
|
|
|
static int setup_channel(rmcast_base_channel_t *chan, uint8_t direction)
|
|
{
|
|
int rc;
|
|
int xmitsd, recvsd;
|
|
|
|
if (0 <= chan->xmit && 0 <= chan->recv) {
|
|
/* already setup */
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s setup:channel %d already setup",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
chan->channel));
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
/* setup the IPv4 addr info */
|
|
chan->addr.sin_family = AF_INET;
|
|
chan->addr.sin_addr.s_addr = htonl(chan->network);
|
|
chan->addr.sin_port = htons(chan->port);
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s setup:channel addr %03d.%03d.%03d.%03d port %d for %s:%s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
OPAL_IF_FORMAT_ADDR(chan->network), (int)chan->port,
|
|
(ORTE_RMCAST_RECV & direction) ? " RECV" : " ",
|
|
(ORTE_RMCAST_XMIT & direction) ? " XMIT" : " "));
|
|
|
|
if (0 > chan->xmit && ORTE_RMCAST_XMIT & direction) {
|
|
/* create a xmit socket */
|
|
if (ORTE_SUCCESS != (rc = setup_socket(&xmitsd, chan, false))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
return rc;
|
|
}
|
|
chan->xmit = xmitsd;
|
|
}
|
|
|
|
if (0 > chan->recv && ORTE_RMCAST_RECV & direction) {
|
|
/* create a recv socket */
|
|
if (ORTE_SUCCESS != (rc = setup_socket(&recvsd, chan, true))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
return rc;
|
|
}
|
|
chan->recv = recvsd;
|
|
|
|
/* setup an event to catch messages */
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s setup:channel activating recv event on fd %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),(int)chan->recv));
|
|
|
|
opal_event_set(opal_event_base, &chan->recv_ev, chan->recv, OPAL_EV_READ|OPAL_EV_PERSIST, recv_handler, chan);
|
|
opal_event_add(&chan->recv_ev, 0);
|
|
}
|
|
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
static int setup_socket(int *sd, rmcast_base_channel_t *chan, bool recvsocket)
|
|
{
|
|
uint8_t ttl = 1;
|
|
struct sockaddr_in inaddr;
|
|
struct ip_mreq req;
|
|
int addrlen;
|
|
int target_sd;
|
|
int flags;
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"setup:socket addr %03d.%03d.%03d.%03d port %d",
|
|
OPAL_IF_FORMAT_ADDR(chan->network), (int)chan->port));
|
|
|
|
target_sd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
|
|
if(target_sd < 0) {
|
|
if (EAFNOSUPPORT != opal_socket_errno) {
|
|
opal_output(0,"rmcast:init: socket() failed: %s (%d)",
|
|
strerror(opal_socket_errno), opal_socket_errno);
|
|
}
|
|
return ORTE_ERR_IN_ERRNO;
|
|
}
|
|
|
|
/* set the multicast flags */
|
|
if ((setsockopt(target_sd, IPPROTO_IP, IP_MULTICAST_TTL,
|
|
(void *)&ttl, sizeof(ttl))) < 0) {
|
|
opal_output(0,"rmcast:init: socketopt() failed on MULTICAST_TTL: %s (%d)",
|
|
strerror(opal_socket_errno), opal_socket_errno);
|
|
return ORTE_ERR_IN_ERRNO;
|
|
}
|
|
|
|
/* enable port sharing */
|
|
flags = 1;
|
|
if (setsockopt (target_sd, SOL_SOCKET, SO_REUSEADDR, (const char *)&flags, sizeof(flags)) < 0) {
|
|
opal_output(0, "rmcast:udp: unable to set the "
|
|
"SO_REUSEADDR option (%s:%d)\n",
|
|
strerror(opal_socket_errno), opal_socket_errno);
|
|
CLOSE_THE_SOCKET(target_sd);
|
|
return ORTE_ERROR;
|
|
}
|
|
|
|
/* if this is the recv side... */
|
|
if (recvsocket) {
|
|
memset(&inaddr, 0, sizeof(inaddr));
|
|
inaddr.sin_family = AF_INET;
|
|
inaddr.sin_addr.s_addr = htonl(chan->network);
|
|
inaddr.sin_port = htons(chan->port);
|
|
addrlen = sizeof(struct sockaddr_in);
|
|
|
|
/* bind the socket */
|
|
if (bind(target_sd, (struct sockaddr*)&inaddr, addrlen) < 0) {
|
|
opal_output(0, "%s rmcast:init: bind() failed for addr %03d.%03d.%03d.%03d port %d\n\tError: %s (%d)",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), OPAL_IF_FORMAT_ADDR(chan->network), (int)chan->port,
|
|
strerror(opal_socket_errno), opal_socket_errno);
|
|
CLOSE_THE_SOCKET(target_sd);
|
|
return ORTE_ERROR;
|
|
}
|
|
/* set membership on the multicast interface */
|
|
memset(&req, 0, sizeof (req));
|
|
req.imr_multiaddr.s_addr = htonl(chan->network);
|
|
req.imr_interface.s_addr = htonl(chan->interface);
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"setup:socket:membership addr %03d.%03d.%03d.%03d interface %03d.%03d.%03d.%03d",
|
|
OPAL_IF_FORMAT_ADDR(chan->network), OPAL_IF_FORMAT_ADDR(chan->interface)));
|
|
|
|
if ((setsockopt(target_sd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
|
|
(void *)&req, sizeof (req))) < 0) {
|
|
opal_output(0, "%s rmcast:init: setsockopt() failed on ADD_MEMBERSHIP\n"
|
|
"\tfor multicast network %03d.%03d.%03d.%03d interface %03d.%03d.%03d.%03d\n\tError: %s (%d)",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
OPAL_IF_FORMAT_ADDR(chan->network), OPAL_IF_FORMAT_ADDR(chan->interface),
|
|
strerror(opal_socket_errno), opal_socket_errno);
|
|
CLOSE_THE_SOCKET(target_sd);
|
|
return ORTE_ERROR;
|
|
}
|
|
/* set the recvbuf size */
|
|
if ((setsockopt(target_sd, SOL_SOCKET, SO_RCVBUF,
|
|
&orte_rmcast_udp_rcvbuf_size, sizeof(orte_rmcast_udp_rcvbuf_size))) < 0) {
|
|
opal_output(0, "%s rmcast:init: setsockopt() failed on SO_RCVBUF\n"
|
|
"\tfor multicast network %03d.%03d.%03d.%03d interface %03d.%03d.%03d.%03d\n\tError: %s (%d)",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
OPAL_IF_FORMAT_ADDR(chan->network), OPAL_IF_FORMAT_ADDR(chan->interface),
|
|
strerror(opal_socket_errno), opal_socket_errno);
|
|
CLOSE_THE_SOCKET(target_sd);
|
|
return ORTE_ERROR;
|
|
}
|
|
} else {
|
|
/* on the xmit side, need to set the interface */
|
|
memset(&inaddr, 0, sizeof(inaddr));
|
|
inaddr.sin_addr.s_addr = htonl(chan->interface);
|
|
addrlen = sizeof(struct sockaddr_in);
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"setup:socket:xmit interface %03d.%03d.%03d.%03d",
|
|
OPAL_IF_FORMAT_ADDR(chan->interface)));
|
|
|
|
if ((setsockopt(target_sd, IPPROTO_IP, IP_MULTICAST_IF,
|
|
(void *)&inaddr, addrlen)) < 0) {
|
|
opal_output(0, "%s rmcast:init: setsockopt() failed on MULTICAST_IF\n"
|
|
"\tfor multicast network %03d.%03d.%03d.%03d interface %03d.%03d.%03d.%03d\n\tError: %s (%d)",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
OPAL_IF_FORMAT_ADDR(chan->network), OPAL_IF_FORMAT_ADDR(chan->interface),
|
|
strerror(opal_socket_errno), opal_socket_errno);
|
|
CLOSE_THE_SOCKET(target_sd);
|
|
return ORTE_ERROR;
|
|
}
|
|
/* set the sendbuf size */
|
|
if ((setsockopt(target_sd, SOL_SOCKET, SO_SNDBUF,
|
|
&orte_rmcast_udp_sndbuf_size, sizeof(orte_rmcast_udp_sndbuf_size))) < 0) {
|
|
opal_output(0, "%s rmcast:init: setsockopt() failed on SO_SNDBUF\n"
|
|
"\tfor multicast network %03d.%03d.%03d.%03d interface %03d.%03d.%03d.%03d\n\tError: %s (%d)",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
OPAL_IF_FORMAT_ADDR(chan->network), OPAL_IF_FORMAT_ADDR(chan->interface),
|
|
strerror(opal_socket_errno), opal_socket_errno);
|
|
CLOSE_THE_SOCKET(target_sd);
|
|
return ORTE_ERROR;
|
|
}
|
|
}
|
|
|
|
/* set socket up to be non-blocking */
|
|
if((flags = fcntl(target_sd, F_GETFL, 0)) < 0) {
|
|
opal_output(0, "rmcast:init: fcntl(F_GETFL) failed: %s (%d)",
|
|
strerror(opal_socket_errno), opal_socket_errno);
|
|
return ORTE_ERROR;
|
|
} else {
|
|
flags |= O_NONBLOCK;
|
|
if(fcntl(target_sd, F_SETFL, flags) < 0) {
|
|
opal_output(0, "rmcast:init: fcntl(F_SETFL) failed: %s (%d)",
|
|
strerror(opal_socket_errno), opal_socket_errno);
|
|
return ORTE_ERROR;
|
|
}
|
|
}
|
|
|
|
/* return the socket */
|
|
*sd = target_sd;
|
|
|
|
return ORTE_SUCCESS;
|
|
}
|
|
|
|
static int send_data(rmcast_base_send_t *snd, orte_rmcast_channel_t channel)
|
|
{
|
|
char *bytes=NULL;
|
|
int32_t sz;
|
|
int rc;
|
|
opal_buffer_t *buf=NULL;
|
|
rmcast_base_channel_t *chan;
|
|
rmcast_send_log_t *log, *lg;
|
|
|
|
if (!comm_enabled) {
|
|
return ORTE_ERR_COMM_DISABLED;
|
|
}
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s transmitting data for channel %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), channel));
|
|
|
|
/* setup the message for xmission */
|
|
if (ORTE_SUCCESS != (rc = orte_rmcast_base_queue_xmit(snd, channel, &buf, &chan))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto CLEANUP;
|
|
}
|
|
|
|
/* store the working buf in the send ring buffer in case we
|
|
* need to retransmit it later
|
|
*/
|
|
log = OBJ_NEW(rmcast_send_log_t);
|
|
log->channel = chan->channel;
|
|
log->seq_num = chan->seq_num;
|
|
opal_dss.copy_payload(log->buf, buf);
|
|
if (NULL != (lg = (rmcast_send_log_t*)opal_ring_buffer_push(&chan->cache, log))) {
|
|
/* release the old message */
|
|
OPAL_OUTPUT_VERBOSE((5, orte_rmcast_base.rmcast_output,
|
|
"%s releasing message %d channel %d from log",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
lg->seq_num, lg->channel));
|
|
OBJ_RELEASE(lg);
|
|
}
|
|
|
|
/* unload the working buf to obtain the payload */
|
|
if (ORTE_SUCCESS != (rc = opal_dss.unload(buf, (void**)&bytes, &sz))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto CLEANUP;
|
|
}
|
|
|
|
OPAL_OUTPUT_VERBOSE((2, orte_rmcast_base.rmcast_output,
|
|
"%s rmcast:udp multicasting %d bytes to network %03d.%03d.%03d.%03d port %d tag %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), sz,
|
|
OPAL_IF_FORMAT_ADDR(chan->network), (int)chan->port, (int)snd->tag));
|
|
|
|
if (sz != (rc = sendto(chan->xmit, bytes, sz, 0,
|
|
(struct sockaddr *)&(chan->addr), sizeof(struct sockaddr_in)))) {
|
|
/* didn't get the message out */
|
|
opal_output(0, "%s failed to send message to multicast network %03d.%03d.%03d.%03d on\n\terror %s(%d)",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), OPAL_IF_FORMAT_ADDR(chan->network),
|
|
strerror(errno), errno);
|
|
rc = ORTE_ERR_COMM_FAILURE;
|
|
} else {
|
|
rc = ORTE_SUCCESS;
|
|
}
|
|
|
|
if (NULL != snd->buf) {
|
|
/* call the cbfunc if required */
|
|
if (NULL != snd->cbfunc_buffer) {
|
|
snd->cbfunc_buffer(rc, chan->channel, chan->seq_num, snd->tag,
|
|
ORTE_PROC_MY_NAME, snd->buf, snd->cbdata);
|
|
}
|
|
} else {
|
|
/* call the cbfunc if required */
|
|
if (NULL != snd->cbfunc_iovec) {
|
|
snd->cbfunc_iovec(rc, chan->channel, chan->seq_num, snd->tag, ORTE_PROC_MY_NAME,
|
|
snd->iovec_array, snd->iovec_count, snd->cbdata);
|
|
}
|
|
}
|
|
|
|
CLEANUP:
|
|
if (NULL != buf) {
|
|
OBJ_RELEASE(buf);
|
|
}
|
|
if (NULL != bytes) {
|
|
free(bytes);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static void resend_data(int status, orte_process_name_t* sender,
|
|
opal_buffer_t* buffer, orte_rml_tag_t tag,
|
|
void* cbdata)
|
|
{
|
|
int n, rc;
|
|
orte_rmcast_channel_t channel;
|
|
orte_rmcast_seq_t start;
|
|
rmcast_base_channel_t *ch;
|
|
rmcast_send_log_t *log;
|
|
|
|
/* block any further ops until we complete the missing
|
|
* message repair
|
|
*/
|
|
ORTE_ACQUIRE_THREAD(&ctl);
|
|
|
|
n=1;
|
|
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &channel, &n, ORTE_RMCAST_CHANNEL_T))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto release;
|
|
}
|
|
|
|
n=1;
|
|
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &start, &n, ORTE_RMCAST_SEQ_T))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto release;
|
|
}
|
|
|
|
OPAL_OUTPUT_VERBOSE((0, orte_rmcast_base.rmcast_output,
|
|
"%s request resend data from %s for channel %d start %d",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
ORTE_NAME_PRINT(sender), channel, start));
|
|
|
|
/* get the referenced channel object */
|
|
if (NULL == (ch = orte_rmcast_base_get_channel(channel))) {
|
|
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
|
|
goto release;
|
|
}
|
|
|
|
/* search its ring buffer for the starting message - function
|
|
* automatically starts at the oldest message and works up
|
|
* from there
|
|
*/
|
|
for (n=0; n < ch->cache.size; n++) {
|
|
log = (rmcast_send_log_t*)opal_ring_buffer_poke(&ch->cache, n);
|
|
if (NULL == log ||
|
|
log->seq_num <= start) {
|
|
continue;
|
|
}
|
|
OPAL_OUTPUT_VERBOSE((0, orte_rmcast_base.rmcast_output,
|
|
"%s resending msg %d to %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
|
|
log->seq_num, ORTE_NAME_PRINT(sender)));
|
|
if (0 > (rc = orte_rml.send_buffer(sender, log->buf, ORTE_RML_TAG_MULTICAST, 0))) {
|
|
ORTE_ERROR_LOG(rc);
|
|
goto release;
|
|
}
|
|
}
|
|
|
|
release:
|
|
ORTE_RELEASE_THREAD(&ctl);
|
|
}
|