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Commit 20646caa authored by Utz-Uwe Haus's avatar Utz-Uwe Haus
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some OFI work

parent 3b236f21
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...@@ -167,4 +167,8 @@ AC_CONFIG_FILES([ ...@@ -167,4 +167,8 @@ AC_CONFIG_FILES([
AM_COND_IF([HAVE_DOXYGEN], [AC_CONFIG_FILES([docs/Doxyfile])]) AM_COND_IF([HAVE_DOXYGEN], [AC_CONFIG_FILES([docs/Doxyfile])])
AM_CONDITIONAL([WITH_OFI_CONDUCTOR], [test x = x])
AM_CONDITIONAL([WITH_MPI_CONDUCTOR], [test x = y])
AM_CONDITIONAL([WITH_SMP_CONDUCTOR], [test x = y])
AC_OUTPUT AC_OUTPUT
...@@ -78,7 +78,7 @@ extern "C" { ...@@ -78,7 +78,7 @@ extern "C" {
** @param component_name The component ID. ** @param component_name The component ID.
** **
** @param component_index { The unique index among all processes ** @param component_index { The unique index among all processes
** using the same @arg component_id.} ** using the same @arg component_name.}
** **
** @return { a status value, @ref MSTRO_OK on success } ** @return { a status value, @ref MSTRO_OK on success }
**/ **/
......
...@@ -80,6 +80,13 @@ ...@@ -80,6 +80,13 @@
mstro_status mstro_status
mstro_conductor_start(int64_t conductor_size); mstro_conductor_start(int64_t conductor_size);
/**@brief ask conductor to terminate
*
* This can be called from any participant; it will return when the conductor
* has been notified of the request, but termination can occur much later
*/
mstro_status
mstro_conductor_terminate(void);
/**@} (end of group MSTRO_CONDUCTOR) */ /**@} (end of group MSTRO_CONDUCTOR) */
......
/* -*- mode:c -*- */
/** @file
** @brief Abstract core lib <-> conductor protocol
**
**/
/*
* Copyright (C) 2019 Cray Computer GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MSTRO_CONDUCTOR_PROTOCOL_H_
#define MSTRO_CONDUCTOR_PROTOCOL_H_ 1
#include "maestro.h"
#include "maestro/core.h"
enum mstro_conductor_msg_type {
MSTRO_CMSG_INVALID = 0,
/* documented component protocol messages */
MSTRO_CMSG_DECLARE_CDO,
/* internal messages */
MSTRO_CMSG_TERMINATE_CONDUCTOR,
MSTRO_CMSG__MAX
};
#define MSG_BUF_LEN 1018
struct mstro_conductor_msg {
enum mstro_conductor_msg_type type;
char payload[MSG_BUF_LEN];
};
#endif /* MSTRO_CONDUCTOR_PROTOCOL_H_ */
...@@ -48,127 +48,10 @@ ...@@ -48,127 +48,10 @@
mstro_status mstro_status
mstro_ofi_init(void); mstro_ofi_init(void);
#include <stdint.h> /**@brief Run Conductor loop on OFI endpoints
#include <stdbool.h>
#include <string.h>
/** CDO state bitfield */
typedef uint32_t mstro_cdo_state;
/** invalid CDO state */
#define MSTRO_CDO_STATE_INVALID 0
/** CDO in declaration phase */
#define MSTRO_CDO_STATE_CREATED (1<<0)
/** CDO fully declared */
#define MSTRO_CDO_STATE_DECLARED (1<<1)
/** CDO pooled by PROVIDE */
#define MSTRO_CDO_STATE_PROVIDED (1<<2)
/** CDO pooled by REQUIRE */
#define MSTRO_CDO_STATE_REQUIRED (1<<3)
/** CDO pooled */
#define MSTRO_CDO_STATE_POOLED ( MSTRO_CDO_STATE_PROVIDED \
| MSTRO_CDO_STATE_REQUIRED)
/** CDO returned from pool by WITHDRAW */
#define MSTRO_CDO_STATE_WITHDRAWN (1<<4)
/** CDO returned from pool by DEMAND */
#define MSTRO_CDO_STATE_DEMANDED (1<<5)
/** CDO returned from pool by REVOKE */
#define MSTRO_CDO_STATE_REVOKED (1<<6)
/** CDO returned from pool */
#define MSTRO_CDO_STATE_RETURNED ( MSTRO_CDO_STATE_WITHDRAWN \
| MSTRO_CDO_STATE_DEMANDED \
| MSTRO_CDO_STATE_REVOKED)
/** CDO dead */
#define MSTRO_CDO_STATE_DEAD (1<<7)
/** Length of a CDO ID: 128 bit UUID in bytes */
#define MSTRO_CDO_ID_NUMBYTES (128/8)
/** a CDO-ID is given by the octets of the binary representation of the UUID */
struct mstro_cdo_id {
union {
uint8_t id[MSTRO_CDO_ID_NUMBYTES]; /**< octet view, network byte order */
uint64_t qw[2]; /**< 2 quadwords view on same */
};
};
/** length of the string representation of a CDO_ID */
#define MSTRO_CDO_ID_STR_LEN (36+1)
/** The NIL UUID */
#define MSTRO_CDO_ID_INVALID ((struct mstro_cdo_id){ (uint64_t)0, (uint64_t)0 })
/**
** @brief Produce canonical string representation for CDOID in NAME.
*
* If *NAME is NULL, allocate (caller must then free). Otherwise it
* must be >= UDJO_CDO_ID_STR_LEN or longer and is simply written
* to.
*
* Remember that for a stack-allocated array
* char foo[MSTRO_CDO_ID_STR_LEN];
* it is not enough to use &foo as argument; you need to use &dest where
* char *dest=&foo[0];
*/
mstro_status
mstro_cdo_id__str(const struct mstro_cdo_id *cdoid, char **name);
/** produce an integral hash for CDOID in *hash. */
static inline
mstro_status
mstro_cdo_id__hash(const struct mstro_cdo_id *cdoid, uint32_t *hash)
{
if(cdoid==NULL)
return MSTRO_INVARG;
if(hash==NULL)
return MSTRO_INVOUT;
*hash = 0;
for (size_t i = MSTRO_CDO_ID_NUMBYTES; i-- > 0;) {
*hash <<= 8;
*hash |= cdoid->id[i];
}
return MSTRO_OK;
}
/** Compare CDO IDs */
static inline
bool
mstro_cdo_id__equal(const struct mstro_cdo_id id1,
const struct mstro_cdo_id id2)
{
if(memcmp(&id1.id, &id2.id, MSTRO_CDO_ID_NUMBYTES)==0)
return true;
else
return false;
}
/**
** @brief populate the (preallocated) CDO ID from name
** **
** Computes a v5 SHA-1 UUID for NAME and write it to the preallocated *result
**/ **/
mstro_status mstro_status
mstro_cdo_id_from_name(const unsigned char *name, mstro_ofi_conductor_loop(void);
struct mstro_cdo_id *result);
/** the structure describing a CDO */
struct mstro_cdo_ {
/* attributes */
struct mstro_cdo_id id; /**< the locally unique ID */
struct mstro_cdo_id gid; /**< the globally unique ID */
mstro_cdo_state state; /**< current state of the CDO */
unsigned char *name;
/* scope object */
/* ... */
};
#endif /* MAESTRO_I_CDO_H_ */ #endif /* MAESTRO_I_OFI_H_ */
...@@ -53,11 +53,11 @@ libmaestro_core_la_SOURCES = \ ...@@ -53,11 +53,11 @@ libmaestro_core_la_SOURCES = \
$(top_srcdir)/include/maestro/i_uuid_str.h \ $(top_srcdir)/include/maestro/i_uuid_str.h \
$(top_srcdir)/include/maestro/i_uuid_ui64.h \ $(top_srcdir)/include/maestro/i_uuid_ui64.h \
$(top_srcdir)/include/maestro/i_drc.h \ $(top_srcdir)/include/maestro/i_drc.h \
$(top_srcdir)/include/maestro/i_ofi.h \
$(top_srcdir)/include/maestro/conductor.h \ $(top_srcdir)/include/maestro/conductor.h \
$(top_srcdir)/include/maestro/env.h \ $(top_srcdir)/include/maestro/env.h \
$(top_srcdir)/include/maestro/logging.h \ $(top_srcdir)/include/maestro/logging.h \
$(top_srcdir)/include/maestro/i_tpl.h \ $(top_srcdir)/include/maestro/i_tpl.h \
$(top_srcdir)/include/maestro/i_conductor_protocol.h \
\ \
cdo.c \ cdo.c \
cdoid.c \ cdoid.c \
...@@ -66,7 +66,22 @@ libmaestro_core_la_SOURCES = \ ...@@ -66,7 +66,22 @@ libmaestro_core_la_SOURCES = \
version.c \ version.c \
status.c \ status.c \
uuid.c uuid_sha1.c uuid_str.c uuid_ui128.c uuid_ui64.c base64.c\ uuid.c uuid_sha1.c uuid_str.c uuid_ui128.c uuid_ui64.c base64.c\
drc.c ofi.c \ drc.c \
env.c logging.c tpl.c \ env.c logging.c tpl.c
conductor.c
# Conductor implementation varies depending on configuration
if WITH_OFI_CONDUCTOR
libmaestro_core_la_SOURCES+=conductor_ofi.c ofi.c \
$(top_srcdir)/include/maestro/i_ofi.h
else
if WITH_MPI_CONDUCTOR
libmaestro_core_la_SOURCES+=conductor_mpi.c
else
if WITH_SMP_CONDUCTOR
libmaestro_core_la_SOURCES+=conductor_smp.c
else
libmaestro_core_la_SOURCES+=conductor_dummy.c
endif
endif
endif
...@@ -68,15 +68,38 @@ mstro_conductor_start(int64_t conductor_size) ...@@ -68,15 +68,38 @@ mstro_conductor_start(int64_t conductor_size)
/* organize quorum for conductor_size */ /* organize quorum for conductor_size */
/* create connection */ /* create connection */
/* create openfabric endpoint on all interfaces, listen on them, /* create openfabric endpoint on all interfaces, listen on them,
* create advertisable destination string */ * create advertisable destination string */
stat = mstro_ofi_init(); stat = mstro_ofi_init();
/* all endpoints are now enabled. */
if(stat!=MSTRO_OK) {
ERR("mstro_ofi_init() failed\n");
} else {
/* run conductor loop. It will return after receiving a TERM message */
stat = mstro_ofi_conductor_loop();
}
/* run conductor loop */ INFO("Conductor loop terminated\n");
sleep (2); return stat;
}
return MSTRO_UNIMPL; mstro_status
mstro_conductor_terminate(void)
{
mstro_status status = MSTRO_UNIMPL;
#if 0
struct mstro_conductor_msg *msg = mstro_conductor_msg_create(MSTRO_CMSG_TERMINATE_CONDUCTOR);
if(!msg) {
status = MSTRO_NOMEM;
goto BAILOUT;
} else {
/* no payload */
status = mstro_u2c_submit_wait(msg); /* send and wait for completion; completion handler cleans up msg */
} }
#endif
return status;
}
...@@ -107,7 +107,7 @@ mstro_core_finalize(void) ...@@ -107,7 +107,7 @@ mstro_core_finalize(void)
ERR("mstro_core_finalize() without matching mstro_core_init() call\n"); ERR("mstro_core_finalize() without matching mstro_core_init() call\n");
} else { } else {
struct mstro_core_initdata *d = (struct mstro_core_initdata*)ptr; struct mstro_core_initdata *d = (struct mstro_core_initdata*)ptr;
DEBUG("finalize %s/%s/%"PRIi64 " in thread %" PRIxPTR, DEBUG("finalize %s/%s/%"PRIi64 " in thread %" PRIxPTR "\n",
d->workflow_name, d->component_name, d->component_index, d->workflow_name, d->component_name, d->component_index,
(intptr_t)pthread_self()); (intptr_t)pthread_self());
......
...@@ -3,6 +3,7 @@ ...@@ -3,6 +3,7 @@
#include "maestro/i_utlist.h" #include "maestro/i_utlist.h"
#include "maestro/i_tpl.h" #include "maestro/i_tpl.h"
#include "maestro/i_base64.h" #include "maestro/i_base64.h"
#include "maestro/i_conductor_protocol.h"
#include <rdma/fabric.h> #include <rdma/fabric.h>
#include <rdma/fi_cm.h> #include <rdma/fi_cm.h>
...@@ -24,7 +25,7 @@ ...@@ -24,7 +25,7 @@
#endif #endif
#include <string.h> #include <string.h>
#include <stdbool.h>
...@@ -907,6 +908,7 @@ mstro_ep_build_from_ofi(struct mstro_endpoint *dst, ...@@ -907,6 +908,7 @@ mstro_ep_build_from_ofi(struct mstro_endpoint *dst,
char *buf=NULL; char *buf=NULL;
size_t buflen = 0; size_t buflen = 0;
/* create fabric object */ /* create fabric object */
stat = fi_fabric(fi->fabric_attr, &fabric, NULL); stat = fi_fabric(fi->fabric_attr, &fabric, NULL);
if(stat!=0) { if(stat!=0) {
...@@ -944,7 +946,12 @@ mstro_ep_build_from_ofi(struct mstro_endpoint *dst, ...@@ -944,7 +946,12 @@ mstro_ep_build_from_ofi(struct mstro_endpoint *dst,
memset(&cq_attr,0, sizeof(cq_attr)); memset(&cq_attr,0, sizeof(cq_attr));
cq_attr.format = FI_CQ_FORMAT_TAGGED; cq_attr.format = FI_CQ_FORMAT_TAGGED;
cq_attr.size = 0; /* provider-specific default. Consider fi->rx_attr->size; */ cq_attr.size = 0; /* provider-specific default. Consider fi->rx_attr->size; */
cq_attr.wait_obj = FI_WAIT_UNSPEC; // FIXME: currently on macOS I get a 'not supported' for some endpoints if set to FI_WAIT_UNSPEC
//cq_attr.wait_obj = FI_WAIT_UNSPEC;
// FD also does not work, and MUTEX_COND only works for some.
// but leaving it at 0 means NONE, which means we can't do blocking waits...
// MUTEX_COND at least selects all nice IP addresses on macOS (dropping localhost etc)
cq_attr.wait_obj = FI_WAIT_MUTEX_COND;
stat = fi_cq_open(domain, &cq_attr, &cq, NULL); stat = fi_cq_open(domain, &cq_attr, &cq, NULL);
if(stat!=0) { if(stat!=0) {
ERR("fi_cq_open failed: %d (%s)\n", stat, fi_strerror(-stat)); ERR("fi_cq_open failed: %d (%s)\n", stat, fi_strerror(-stat));
...@@ -969,6 +976,8 @@ mstro_ep_build_from_ofi(struct mstro_endpoint *dst, ...@@ -969,6 +976,8 @@ mstro_ep_build_from_ofi(struct mstro_endpoint *dst,
retstat=MSTRO_FAIL; goto BAILOUT_FAIL; retstat=MSTRO_FAIL; goto BAILOUT_FAIL;
} }
//INFO("This is a %s\n", fi_tostr(fi,FI_TYPE_INFO));
/* connectionless endpoint needs address vector */ /* connectionless endpoint needs address vector */
memset(&av_attr, 0, sizeof(av_attr)); memset(&av_attr, 0, sizeof(av_attr));
av_attr.type = FI_AV_MAP; av_attr.type = FI_AV_MAP;
...@@ -1183,3 +1192,108 @@ BAILOUT_FAIL: ...@@ -1183,3 +1192,108 @@ BAILOUT_FAIL:
BAILOUT: BAILOUT:
return retstat; return retstat;
} }
mstro_status
mstro_conductor_handle_msg(struct mstro_conductor_msg *msg) {
/* for now we serialize things in here. Instead we could push to a queue and have a queue runner in a different thread pick things up */
mstro_status status=MSTRO_UNIMPL;
switch(msg->type) {
case MSTRO_CMSG_DECLARE_CDO:
INFO("DECLARE_CDO message received\n");
break;
case MSTRO_CMSG_TERMINATE_CONDUCTOR:
ERR("TERMINATE_CONDUCTOR message should be handled in main loop\n");
break;
case MSTRO_CMSG_INVALID:
default:
ERR("Illegal message %d\n", msg->type);
break;
}
return status;
}
mstro_status
mstro_ofi_conductor_loop(void)
{
mstro_status status = MSTRO_UNIMPL;
size_t i;
struct mstro_conductor_msg** slots=calloc(g_endpoints->size, sizeof(struct mstro_conductor_msg*));
if(slots==NULL) {
status=MSTRO_NOMEM;
goto BAILOUT;
}
/* post receives on all endpoints */
for(i=0; i<g_endpoints->size; i++) {
slots[i] = malloc(sizeof(struct mstro_conductor_msg));
if(slots[i]==NULL) {
status = MSTRO_NOMEM;
goto BAILOUT;
}
fi_recv(g_endpoints->eps[i].ep, slots[i], MSG_BUF_LEN,
NULL, FI_ADDR_UNSPEC, NULL);
}
DEBUG("Posted a RECV on each endpoint\n");
/* wait for completion on all of them. If a message arrives, handle it and re-post a receive */
bool terminate = false;
do {
for(i=0; !terminate && i<g_endpoints->size; i++) {
struct fi_cq_entry entry;
int ret;
ret = fi_cq_read(g_endpoints->eps[i].cq, &entry, 1);
DEBUG("fi_cq_read returned\n");
if(ret>0) {
/* we know that it's message in slot i. FIXME: if we had multiple outstanding recvs per ep we'd need to pass the buffer in the context of the cq */
INFO("Incoming message of type %d on endpoint %d\n", slots[i]->type, i);
/* process */
if(slots[i]->type==MSTRO_CMSG_TERMINATE_CONDUCTOR) {
WARN("FIXME: Not checking permission of sender to terminate conductor\n");
status=MSTRO_OK;
terminate=true;
break; /* out of for loop */
}
status = mstro_conductor_handle_msg(slots[i]);
if(status!=MSTRO_OK) {
ERR("Error handling incoming message, aborting\n");
terminate=true;
break;
} else {
/* repost buffer */
fi_recv(g_endpoints->eps[i].ep, slots[i], MSG_BUF_LEN,
NULL, FI_ADDR_UNSPEC, NULL);
}
} else {
if (ret != -FI_EAGAIN) {
struct fi_cq_err_entry err_entry;
fi_cq_readerr(g_endpoints->eps[i].cq, &err_entry, 0);
ERR("Failure in fi_cq_read: %s %s\n",
fi_strerror(err_entry.err),
fi_cq_strerror(g_endpoints->eps[i].cq,
err_entry.prov_errno, err_entry.err_data, NULL, 0));
status = MSTRO_FAIL;
terminate=true;
break;
} else {
; /* EAGAIN .. we'll be back */
}
}
}
} while(!terminate);
BAILOUT:
if(slots) {
for(i=0; i<g_endpoints->size; i++)
NFREE(slots[i]);
free(slots);
}
return status;
}
...@@ -40,12 +40,50 @@ ...@@ -40,12 +40,50 @@
#include "maestro.h" #include "maestro.h"
#include "maestro/conductor.h" #include "maestro/conductor.h"
#include <string.h> #include <string.h>
#include <stdio.h>
/* to simplify the test (i.e., not run MPI or somesuch) we run two threads: one conductor, one that terminates it */
#include <pthread.h>
CHEAT_DECLARE(
mstro_status cancel_fun_retval;
void *
cancel_conductor_fun(void* args)
{
mstro_status *s = &cancel_fun_retval;
*s = mstro_init("Tests", "CONDUCTOR_CANCEL_THREAD",0);
if(s!=MSTRO_OK) {
fprintf(stderr, "Failed to initialize cancel thread component, status %d\n", s);
goto BAILOUT;
}
*s = mstro_conductor_terminate();
if(s!=MSTRO_OK) {
fprintf(stderr, "Failed to signal conductor, status %d\n", s);
goto BAILOUT;
}
*s = mstro_finalize();
if(s!=MSTRO_OK) {
fprintf(stderr, "Failed to finalize cancel thread component, status %d\n", s);
goto BAILOUT;
}
BAILOUT:
pthread_exit(s);
}
)
CHEAT_TEST(cdo_start_stop_conductor,
exit(77);
#if 0
pthread_t cancel_thread;
cheat_assert(0==pthread_create(&cancel_thread,NULL, cancel_conductor_fun, NULL));
CHEAT_TEST(cdo_declare_works,
cheat_assert(MSTRO_OK == mstro_init("Tests","CONDUCTOR",0)); cheat_assert(MSTRO_OK == mstro_init("Tests","CONDUCTOR",0));
cheat_assert(MSTRO_OK == mstro_conductor_start(1)); cheat_assert(MSTRO_OK == mstro_conductor_start(1));
cheat_assert(MSTRO_OK == mstro_finalize()); cheat_assert(MSTRO_OK == mstro_finalize());
#endif
) )
......
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