+/*
+ * Copyright 2012 GRNET S.A. All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``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 GRNET S.A 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.
+ *
+ * The views and conclusions contained in the software and
+ * documentation are those of the authors and should not be
+ * interpreted as representing official policies, either expressed
+ * or implied, of GRNET S.A.
+ */
+
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
fprintf(stderr,
"Request %lx: target[%u](xptr: %llu): %s, data[%llu](xptr: %llu): %s \n\t"
"offset: %llu, size: %llu, serviced; %llu, op: %u, state: %u, flags: %u \n\t"
- "src: %u, src_transit: %u, dst: %u, dst_transit: %u\n",
+ "src: %u, transit: %u, dst: %u, effective dst: %u\n",
(unsigned long) req, req->targetlen, (unsigned long long)req->target,
target,
(unsigned long long) req->datalen, (unsigned long long) req->data,
data,
(unsigned long long) req->offset, (unsigned long long) req->size,
(unsigned long long) req->serviced, req->op, req->state, req->flags,
- (unsigned int) req->src_portno, (unsigned int) req->src_transit_portno,
- (unsigned int) req->dst_portno, (unsigned int) req->dst_transit_portno);
+ (unsigned int) req->src_portno, (unsigned int) req->transit_portno,
+ (unsigned int) req->dst_portno, (unsigned int) req->effective_dst_portno);
}
int cmd_acquire(char *target)
{
+ uint32_t targetlen = strlen(target);
+ int r;
+ xport p;
+ char *req_target;
+ struct xseg_request *req = xseg_get_request(xseg, srcport, dstport, X_ALLOC);
+ if (!req) {
+ fprintf(stderr, "No request\n");
+ return -1;
+ }
+
+ r = xseg_prep_request(xseg, req, targetlen, 0);
+ if (r < 0) {
+ fprintf(stderr, "Cannot prepare request! (%lu, 0)\n",
+ (unsigned long)targetlen);
+ xseg_put_request(xseg, req, srcport);
+ return -1;
+ }
+
+ req_target = xseg_get_target(xseg, req);
+ strncpy(req_target, target, targetlen);
+ req->offset = 0;
+ req->size = 0;
+ req->op = X_OPEN;
+ p = xseg_submit(xseg, req, srcport, X_ALLOC);
+ if (p == NoPort)
+ return -1;
+
+ xseg_signal(xseg, p);
return 0;
}
int cmd_release(char *target)
{
+ uint32_t targetlen = strlen(target);
+ int r;
+ xport p;
+ char *req_target;
+ struct xseg_request *req = xseg_get_request(xseg, srcport, dstport, X_ALLOC);
+ if (!req) {
+ fprintf(stderr, "No request\n");
+ return -1;
+ }
+
+ r = xseg_prep_request(xseg, req, targetlen, 0);
+ if (r < 0) {
+ fprintf(stderr, "Cannot prepare request! (%lu, 0)\n",
+ (unsigned long)targetlen);
+ xseg_put_request(xseg, req, srcport);
+ return -1;
+ }
+
+ req_target = xseg_get_target(xseg, req);
+ strncpy(req_target, target, targetlen);
+ req->offset = 0;
+ req->size = 0;
+ req->op = X_CLOSE;
+ req->flags = XF_FORCE;
+ p = xseg_submit(xseg, req, srcport, X_ALLOC);
+ if (p == NoPort)
+ return -1;
+
+ xseg_signal(xseg, p);
+ return 0;
return 0;
}
int cmd_copy(char *src, char *dst)
{
+ uint32_t targetlen = strlen(dst);
+ uint32_t parentlen = strlen(src);
+ struct xseg_request *req;
+ struct xseg_request_copy *xcopy;
+ req = xseg_get_request(xseg, srcport, dstport, X_ALLOC);
+ if (!req) {
+ fprintf(stderr, "No request\n");
+ return -1;
+ }
+
+ int r = xseg_prep_request(xseg, req, targetlen,
+ sizeof(struct xseg_request_copy));
+ if (r < 0) {
+ fprintf(stderr, "Cannot prepare request!\n");
+ xseg_put_request(xseg, req, srcport);
+ return -1;
+ }
+
+ char *target = xseg_get_target(xseg, req);
+ char *data = xseg_get_data(xseg, req);
+
+ strncpy(target, dst, targetlen);
+ xcopy = (struct xseg_request_copy *) data;
+ strncpy(xcopy->target, src, parentlen);
+ xcopy->targetlen = parentlen;
+ req->offset = 0;
+ req->size = sizeof(struct xseg_request_copy);
+ req->op = X_COPY;
+
+ xport p = xseg_submit(xseg, req, srcport, X_ALLOC);
+ if (p == NoPort){
+ fprintf(stderr, "Cannot submit request\n");
+ return -1;
+ }
+ xseg_signal(xseg, p);
+
+ return 0;
return 0;
}
return 0;
}
+int cmd_snapshot(char *src, char *dst, long block_size)
+{
+
+ uint32_t targetlen = strlen(src);
+ uint32_t parentlen = strlen(dst);
+ struct xseg_request *req;
+ struct xseg_request_snapshot *xsnapshot;
+ xseg_bind_port(xseg, srcport, NULL);
+ req = xseg_get_request(xseg, srcport, dstport, X_ALLOC);
+ if (!req) {
+ fprintf(stderr, "No request\n");
+ return -1;
+ }
+
+ int r = xseg_prep_request(xseg, req, targetlen, sizeof(struct xseg_request_snapshot));
+ if (r < 0) {
+ fprintf(stderr, "Cannot prepare request!\n");
+ xseg_put_request(xseg, req, srcport);
+ return -1;
+ }
+
+ char *target = xseg_get_target(xseg, req);
+ char *data = xseg_get_data(xseg, req);
+
+ strncpy(target, src, targetlen);
+ xsnapshot = (struct xseg_request_snapshot *) data;
+ strncpy(xsnapshot->target, dst, parentlen);
+ xsnapshot->targetlen = parentlen;
+ req->offset = 0;
+ req->size = (uint64_t) block_size;
+ req->op = X_SNAPSHOT;
+
+ xport p = xseg_submit(xseg, req, srcport, X_ALLOC);
+ if (p == NoPort){
+ fprintf(stderr, "Cannot submit request\n");
+ return -1;
+ }
+ xseg_signal(xseg, p);
+
+ return 0;
+}
+
void log_req(int logfd, uint32_t portno2, uint32_t portno1, int op, int method,
struct xseg_request *req)
{
struct xseg_request *submitted = NULL, *received;
long nr_submitted = 0, nr_received = 0, nr_failed = 0, nr_mismatch = 0, nr_flying = 0;
- int reported = 0, r;
+ int r;
uint64_t offset;
uint32_t targetlen = 10, chunksize = 4096;
struct timeval tv1, tv2;
//FIXME
++nr_flying;
nr_submitted += 1;
- reported = 0;
offset = 0;//pick(size);
submitted->offset = offset;
lock_status(&port->rq_lock, rls, 64);
lock_status(&port->pq_lock, pls, 64);
fprintf(stderr, "port %u:\n"
- " requests: %llu/%llu src gw: %u dst gw: %u\n"
+ " requests: %llu/%llu next: %u dst gw: %u\n"
" free_queue [%p] count : %4llu | %s\n"
" request_queue [%p] count : %4llu | %s\n"
" reply_queue [%p] count : %4llu | %s\n",
portno, (unsigned long long)port->alloc_reqs,
(unsigned long long)port->max_alloc_reqs,
- xseg->src_gw[portno],
+ xseg->path_next[portno],
xseg->dst_gw[portno],
(void *)fq, (unsigned long long)xq_count(fq), fls,
(void *)rq, (unsigned long long)xq_count(rq), rls,
return 1;
}
+int prompt_user(char *msg)
+{
+ int c = 0, r = -1;
+ printf("%s [y/n]: ", msg);
+ while (1) {
+ c = fgetc(stdin);
+ if (c == 'y' || c == 'Y')
+ r = 1;
+ else if (c == 'n' || c == 'N')
+ r = 0;
+ else if (c == '\n'){
+ if (r == -1)
+ printf("%s [y/n]: ", msg);
+ else
+ break;
+ }
+ }
+ return r;
+}
+
//FIXME this should be in xseg lib?
-int cmd_verify(enum req_action action)
+int cmd_verify(int fix)
{
if (cmd_join())
return -1;
//segment lock
- if (xseg->shared->flags & XSEG_F_LOCK)
+ if (xseg->shared->flags & XSEG_F_LOCK){
fprintf(stderr, "Segment lock: Locked\n");
+ if (fix && prompt_user("Unlock it ?"))
+ xseg->shared->flags &= ~XSEG_F_LOCK;
+ }
//heap lock
- if (xseg->heap->lock.owner != Noone)
+ if (xseg->heap->lock.owner != Noone){
fprintf(stderr, "Heap lock: Locked (Owner: %llu)\n",
(unsigned long long)xseg->heap->lock.owner);
+ if (fix && prompt_user("Unlock it ?"))
+ xlock_release(&xseg->heap->lock);
+ }
//obj_h locks
- if (xseg->request_h->lock.owner != Noone)
+ if (xseg->request_h->lock.owner != Noone){
fprintf(stderr, "Requests handler lock: Locked (Owner: %llu)\n",
(unsigned long long)xseg->request_h->lock.owner);
- if (xseg->port_h->lock.owner != Noone)
+ if (fix && prompt_user("Unlock it ?"))
+ xlock_release(&xseg->request_h->lock);
+ }
+ if (xseg->port_h->lock.owner != Noone){
fprintf(stderr, "Ports handler lock: Locked (Owner: %llu)\n",
(unsigned long long)xseg->port_h->lock.owner);
- if (xseg->object_handlers->lock.owner != Noone)
+ if (fix && prompt_user("Unlock it ?"))
+ xlock_release(&xseg->port_h->lock);
+ }
+ if (xseg->object_handlers->lock.owner != Noone){
fprintf(stderr, "Objects handler lock: Locked (Owner: %llu)\n",
(unsigned long long)xseg->object_handlers->lock.owner);
+ if (fix && prompt_user("Unlock it ?"))
+ xlock_release(&xseg->object_handlers->lock);
+ }
//take segment lock?
xport i;
struct xseg_port *port;
if (port->fq_lock.owner != Noone) {
fprintf(stderr, "Free queue lock of port %u locked (Owner %llu)\n",
i, (unsigned long long)port->fq_lock.owner);
+ if (fix && prompt_user("Unlock it ?"))
+ xlock_release(&port->fq_lock);
}
if (port->rq_lock.owner != Noone) {
fprintf(stderr, "Request queue lock of port %u locked (Owner %llu)\n",
i, (unsigned long long)port->rq_lock.owner);
+ if (fix && prompt_user("Unlock it ?"))
+ xlock_release(&port->rq_lock);
}
if (port->pq_lock.owner != Noone) {
fprintf(stderr, "Reply queue lock of port %u locked (Owner %llu)\n",
i, (unsigned long long)port->pq_lock.owner);
+ if (fix && prompt_user("Unlock it ?"))
+ xlock_release(&port->pq_lock);
}
}
}
struct xobject_h *obj_h = xseg->request_h;
struct xobject_iter it;
- xobj_iter_init(obj_h, &it);
struct xseg_request *req;
xlock_acquire(&obj_h->lock, srcport);
+ xobj_iter_init(obj_h, &it);
while (xobj_iterate(obj_h, &it, (void **)&req)){
//FIXME this will not work cause obj->magic - req->serial is not
//touched when a request is get
/* if (obj->magic != MAGIC_REQ && t->src_portno == portno){ */
if (isDangling(req) && !__xobj_isFree(obj_h, req)){
- if (action == REPORT)
- report_request(req);
- else if (action == FAIL)
- finish_req(req, action);
- else if (action == COMPLETE)
- finish_req(req, COMPLETE);
+ report_request(req);
+ if (fix && prompt_user("Fail it ?")){
+ printf("Finishing ...\n");
+ finish_req(req, FAIL);
+ }
}
}
xlock_release(&obj_h->lock);
}
-int cmd_requests(xport portno, enum req_action action )
+int cmd_request(struct xseg_request *req, enum req_action action)
{
if (cmd_join())
return -1;
struct xobject_h *obj_h = xseg->request_h;
- void *container = XPTR(&obj_h->container);
- xhash_t *allocated = XPTR_TAKE(obj_h->allocated, container);
- xhash_iter_t it;
- xhash_iter_init(allocated, &it);
- xhashidx key, val;
- int i;
- xlock_acquire(&obj_h->lock, srcport);
- while (xhash_iterate(allocated, &it, &key, &val)){
- void *mem = XPTR_TAKE(val, container);
- struct xseg_request *req = mem, *t;
- for (i = 0; i < xheap_get_chunk_size(mem)/obj_h->obj_size; i++) {
- t = req + i;
- struct xobject *obj = (struct xobject *)t;
- //FIXME. obj->magic is not touched by req->serial...
- /* if (obj->magic != MAGIC_REQ && t->src_portno == portno){ */
- if (t->src_portno == portno){
- if (action == REPORT)
- report_request(t);
- else if (action == FAIL)
- finish_req(t, action);
- else if (action == COMPLETE)
- finish_req(t, COMPLETE);
- }
+ if (!xobj_check(obj_h, req))
+ return -1;
+
+ if (action == REPORT)
+ report_request(req);
+ else if (action == FAIL){
+ report_request(req);
+ if (prompt_user("fail it ?")){
+ printf("Finishing ...\n");
+ finish_req(req, FAIL);
+ }
+ }
+ else if (action == COMPLETE){
+ report_request(req);
+ if (prompt_user("Complete it ?")){
+ printf("Finishing ...\n");
+ finish_req(req, COMPLETE);
}
}
- xlock_release(&obj_h->lock);
-
- fprintf(stderr, "\n");
return 0;
}
case X_INFO:
fprintf(stderr, "size: %llu\n", (unsigned long long)*((uint64_t *)req_data));
break;
-
+ case X_COPY:
+ fprintf(stderr, "copied %s\n", ((struct xseg_request_copy *)req_data)->target);
+ break;
+ case X_CLOSE:
+ fprintf(stderr, "Closed %s\n", req_target);
+ break;
+ case X_OPEN:
+ fprintf(stderr, "Opened %s\n", req_target);
+ break;
+ case X_SNAPSHOT:
+ fprintf(stderr, "Snapshotted %s\n", req_target);
+ break;
default:
break;
}
return xseg_signal(xseg, portno);
}
+int cmd_set_next(xport portno, xport next)
+{
+ xseg->path_next[portno] = next;
+ return 0;
+}
+
int parse_ports(char *str)
{
int ret = 0;
continue;
}
+ if (!strcmp(argv[i], "set-next") && (i + 2 < argc)) {
+ ret = cmd_set_next(atol(argv[i+1]), atol(argv[i+2]));
+ i += 2;
+ continue;
+ }
+
if (!strcmp(argv[i], "signal") && (i + 1 < argc)) {
ret = cmd_signal(atol(argv[i+1]));
i += 1;
continue;
}
- if (!strcmp(argv[i], "showreqs") && (i + 1 < argc)) {
- ret = cmd_requests(atol(argv[i+1]), REPORT);
- i += 1;
- continue;
- }
-
if (!strcmp(argv[i], "verify")) {
- ret = cmd_verify(REPORT);
+ ret = cmd_verify(0);
continue;
}
if (!strcmp(argv[i], "verify-fix")) {
- ret = cmd_verify(FAIL);
+ ret = cmd_verify(1);
continue;
}
- if (!strcmp(argv[i], "failreqs") && (i + 1 < argc)) {
- ret = cmd_requests(atol(argv[i+1]), FAIL);
+ if (!strcmp(argv[i], "failreq") && (i + 1 < argc)) {
+ struct xseg_request *req;
+ sscanf(argv[i+1], "%lx", (unsigned long *)&req);
+ ret = cmd_request(req, FAIL);
i += 1;
continue;
}
i += 2;
continue;
}
+ if (!strcmp(argv[i], "snapshot") && (i + 2 < argc)) {
+ char *src = argv[i+1];
+ char *dst = argv[i+2];
+ ret = cmd_snapshot(src, dst, 4096*1024);
+ i += 2;
+ continue;
+ }
if (!strcmp(argv[i], "info") && (i + 1 < argc)) {
char *target = argv[i+1];