#include <time.h>
#include <sys/util.h>
#include <signal.h>
+#include <bench-xseg.h>
+#include <bench-lfsr.h>
+#include <limits.h>
-struct timespec delay = {0, 4000000};
-
-struct bench {
- uint64_t ts; //Total I/O size
- uint64_t os; //Object size
- uint64_t bs; //Block size
- uint32_t iodepth; //Num of in-flight xseg reqs
- xport dst_port;
- uint8_t flags;
-};
-
-int custom_peerd_loop(struct peerd *peer);
+char global_id[IDLEN];
+/*
+ * This macro checks two things:
+ * a) If in-flight requests are less than given iodepth
+ * b) If we have submitted all of the requests
+ */
+#define CAN_SEND_REQUEST(prefs) \
+ ((prefs->status->submitted - prefs->status->received < prefs->iodepth) && \
+ (prefs->status->submitted < prefs->status->max))
-#define MAX_ARG_LEN 10
+#define CAN_VERIFY(prefs) \
+ ((GET_FLAG(VERIFY, prefs->flags) != VERIFY_NO) && prefs->op == X_READ)
void custom_peer_usage()
{
fprintf(stderr, "Custom peer options: \n"
- " --------------------------------------------\n"
- " -ts | None | Total I/O size\n"
- " -os | 4M | Object size\n"
- " -bs | 4k | Block size\n"
- " -dp | None | Destination port\n"
- " --iodepth | 1 | Number of in-flight I/O requests\n"
- "\n");
-}
-
-/*
- * Convert string to size in bytes.
- * If syntax is invalid, return 0. Values such as zero and non-integer
- * multiples of segment's page size should not be accepted.
- */
-static uint64_t str2num(char *str)
-{
- char *unit;
- uint64_t num;
-
- num = strtoll(str, &unit, 10);
- if (strlen(unit) > 1) //Invalid syntax
- return 0;
- else if (strlen(unit) < 1) //Plain number in bytes
- return num;
-
- switch (*unit) {
- case 'g':
- case 'G':
- num *= 1024;
- case 'm':
- case 'M':
- num *= 1024;
- case 'k':
- case 'K':
- num *= 1024;
- break;
- default:
- num = 0;
- }
- return num;
+ " --------------------------------------------\n"
+ " -op | None | XSEG operation [read|write|info|delete]\n"
+ " --pattern | None | I/O pattern [seq|rand]\n"
+ " --verify | no | Verify written requests [no|meta|full]\n"
+ " -rc | None | Request cap\n"
+ " -to | None | Total objects\n"
+ " -ts | None | Total I/O size\n"
+ " -os | 4M | Object size\n"
+ " -bs | 4k | Block size\n"
+ " -tp | None | Target port\n"
+ " --iodepth | 1 | Number of in-flight I/O requests\n"
+ " --seed | None | Initialize LFSR and target names\n"
+ " --insanity| sane | Adjust insanity level of benchmark:\n"
+ " | | [sane|eccentric|manic|paranoid]\n"
+ "\n"
+ "Additional information:\n"
+ " --------------------------------------------\n"
+ " The -to and -ts options are mutually exclusive\n"
+ "\n");
}
int custom_peer_init(struct peerd *peer, int argc, char *argv[])
{
struct bench *prefs;
+ char request_cap[MAX_ARG_LEN + 1];
+ char total_objects[MAX_ARG_LEN + 1];
char total_size[MAX_ARG_LEN + 1];
char object_size[MAX_ARG_LEN + 1];
char block_size[MAX_ARG_LEN + 1];
+ char op[MAX_ARG_LEN + 1];
+ char pattern[MAX_ARG_LEN + 1];
+ char insanity[MAX_ARG_LEN + 1];
+ char verify[MAX_ARG_LEN + 1];
struct xseg *xseg = peer->xseg;
unsigned int xseg_page_size = 1 << xseg->config.page_shift;
+ long iodepth = -1;
long dst_port = -1;
-
+ unsigned long seed = -1;
+ uint64_t rc;
+ struct timespec timer_seed;
+ int set_by_hand = 0;
+ int r;
+
+ op[0] = 0;
+ pattern[0] = 0;
+ total_objects[0] = 0;
total_size[0] = 0;
block_size[0] = 0;
object_size[0] = 0;
+ insanity[0] = 0;
+ verify[0] = 0;
+ request_cap[0] = 0;
+#ifdef MT
+ for (i = 0; i < nr_threads; i++) {
+ prefs = peer->thread[i]->priv;
+ prefs = malloc(sizeof(struct bench));
+ if (!prefs) {
+ perror("malloc");
+ return -1;
+ }
+ }
+#endif
prefs = malloc(sizeof(struct bench));
if (!prefs) {
perror("malloc");
return -1;
}
+ prefs->flags = 0;
+
+ prefs->status = malloc(sizeof(struct req_status));
+ if (!prefs->status) {
+ perror("malloc");
+ return -1;
+ }
+ memset(prefs->status, 0, sizeof(struct req_status));
//Begin reading the benchmark-specific arguments
BEGIN_READ_ARGS(argc, argv);
+ READ_ARG_STRING("-rc", request_cap, MAX_ARG_LEN);
+ READ_ARG_STRING("-op", op, MAX_ARG_LEN);
+ READ_ARG_STRING("--pattern", pattern, MAX_ARG_LEN);
+ READ_ARG_STRING("-to", total_objects, MAX_ARG_LEN);
READ_ARG_STRING("-ts", total_size, MAX_ARG_LEN);
READ_ARG_STRING("-os", object_size, MAX_ARG_LEN);
READ_ARG_STRING("-bs", block_size, MAX_ARG_LEN);
- READ_ARG_ULONG("--iodepth", prefs->iodepth);
- READ_ARG_ULONG("-dp", dst_port);
+ READ_ARG_ULONG("--iodepth", iodepth);
+ READ_ARG_ULONG("-tp", dst_port);
+ READ_ARG_ULONG("--seed", seed);
+ READ_ARG_STRING("--insanity", insanity, MAX_ARG_LEN);
+ READ_ARG_STRING("--verify", verify, MAX_ARG_LEN);
END_READ_ARGS();
- /*
- *************************
- * Check size parameters *
- *************************
- */
+ /*****************************\
+ * Check I/O type parameters *
+ \*****************************/
+
+ //We support 4 xseg operations: X_READ, X_WRITE, X_DELETE, X_INFO
+ //The I/O pattern of these operations can be either sequential (seq) or
+ //random (rand)
+ if (!op[0]) {
+ XSEGLOG2(&lc, E, "xseg operation needs to be supplied\n");
+ goto arg_fail;
+ }
+ r = read_op(op);
+ if (r < 0) {
+ XSEGLOG2(&lc, E, "Invalid syntax: -op %s\n", op);
+ goto arg_fail;
+ }
+ prefs->op = r;
+
+ if (!pattern[0]) {
+ XSEGLOG2(&lc, E, "I/O pattern needs to be supplied\n");
+ goto arg_fail;
+ }
+ r = read_pattern(pattern);
+ if (r < 0) {
+ XSEGLOG2(&lc, E, "Invalid syntax: --pattern %s\n", pattern);
+ goto arg_fail;
+ }
+ SET_FLAG(PATTERN, prefs->flags, r);
+
+ if (!verify[0])
+ strcpy(verify, "no");
+ r = read_verify(verify);
+ if (r < 0) {
+ XSEGLOG2(&lc, E, "Invalid syntax: --verify %s\n", verify);
+ goto arg_fail;
+ }
+ SET_FLAG(VERIFY, prefs->flags, r);
+
+ //Default iodepth value is 1
+ if (iodepth < 0)
+ prefs->iodepth = 1;
+ else
+ prefs->iodepth = iodepth;
+
+ /**************************\
+ * Check timer parameters *
+ \**************************/
+
+ //Most of the times, not all timers need to be used.
+ //We can choose which timers will be used by adjusting the "insanity"
+ //level of the benchmark i.e. the obscurity of code paths (get request,
+ //submit request) that will be timed.
+ if (!insanity[0])
+ strcpy(insanity, "sane");
+
+ r = read_insanity(insanity);
+ if (r < 0) {
+ XSEGLOG2(&lc, E, "Invalid syntax: --insanity %s\n", insanity);
+ goto arg_fail;
+ }
+ SET_FLAG(INSANITY, prefs->flags, r);
+
+ /*****************************\
+ * Check I/O size parameters *
+ \*****************************/
//Block size (bs): Defaults to 4K.
- //It must be a number followed by one of these characters: [k|K|m|M|g|G].
+ //It must be a number followed by one of these characters:
+ // [k|K|m|M|g|G]
//If not, it will be considered as size in bytes.
//Must be integer multiple of segment's page size (typically 4k).
if (!block_size[0])
prefs->bs = str2num(block_size);
if (!prefs->bs) {
- XSEGLOG2(&lc, E, "Invalid syntax: %s\n", block_size);
+ XSEGLOG2(&lc, E, "Invalid syntax: -bs %s\n", block_size);
goto arg_fail;
} else if (prefs->bs % xseg_page_size) {
XSEGLOG2(&lc, E, "Misaligned block size: %s\n", block_size);
goto arg_fail;
}
- //Total I/O size (ts): Must be supplied by user.
- //Must have the same format as "total size"
- //Must be integer multiple of "block size"
- if (!total_size[0]) {
- XSEGLOG2(&lc, E, "Total I/O size needs to be supplied\n");
+ //Total objects (to) or total I/O size (ts).
+ //Must have the same format as "block size"
+ //They are mutually exclusive
+ if (total_objects[0] && total_size[0]) {
+ XSEGLOG2(&lc, E, "Total objects and total size are mutually exclusive\n");
goto arg_fail;
- }
-
- prefs->ts = str2num(total_size);
- if (!prefs->ts) {
- XSEGLOG2(&lc, E, "Invalid syntax: %s\n", total_size);
- goto arg_fail;
- } else if (prefs->ts % prefs->bs) {
- XSEGLOG2(&lc, E, "Misaligned total I/O size: %s\n", total_size);
- goto arg_fail;
- } else if (prefs->ts > xseg->segment_size) {
- XSEGLOG2(&lc, E, "Total I/O size exceeds segment size\n", total_size);
+ } else if (total_objects[0]) {
+ prefs->to = str2num(total_objects);
+ if (!prefs->to) {
+ XSEGLOG2(&lc, E, "Invalid syntax: -to %s\n", total_objects);
+ goto arg_fail;
+ }
+ //In this case, the maximum number of requests is the total number of
+ //objects we will handle
+ prefs->status->max = prefs->to;
+ } else if (total_size[0]) {
+ if (prefs->op != X_READ && prefs->op != X_WRITE) {
+ XSEGLOG2(&lc, E,
+ "Total objects must be supplied (required by op %s)\n", op);
+ goto arg_fail;
+ }
+ prefs->ts = str2num(total_size);
+ if (!prefs->ts) {
+ XSEGLOG2(&lc, E, "Invalid syntax: -ts %s\n", total_size);
+ goto arg_fail;
+ } else if (prefs->ts % prefs->bs) {
+ XSEGLOG2(&lc, E, "Misaligned total I/O size: %s\n", total_size);
+ goto arg_fail;
+ }
+ //In this case, the maximum number of requests is the number of blocks
+ //we need to cover the total I/O size
+ prefs->status->max = prefs->ts / prefs->bs;
+ } else {
+ XSEGLOG2(&lc, E, "Total objects or total size must be supplied\n");
goto arg_fail;
}
//Object size (os): Defaults to 4M.
- //Must have the same format as "total size"
+ //Must have the same format as "block size"
//Must be integer multiple of "block size"
if (!object_size[0])
strcpy(object_size,"4M");
prefs->os = str2num(object_size);
if (!prefs->os) {
- XSEGLOG2(&lc, E, "Invalid syntax: %s\n", object_size);
+ XSEGLOG2(&lc, E, "Invalid syntax: -os %s\n", object_size);
goto arg_fail;
} else if (prefs->os % prefs->bs) {
XSEGLOG2(&lc, E, "Misaligned object size: %s\n", object_size);
goto arg_fail;
}
- /*
- *************************
+
+ /*************************\
* Check port parameters *
- *************************
- */
+ \*************************/
if (dst_port < 0){
- XSEGLOG2(&lc, E, "Destination port needs to be supplied\n");
+ XSEGLOG2(&lc, E, "Target port must be supplied\n");
goto arg_fail;
}
+ prefs->src_port = peer->portno_start; //TODO: allow user to change this
prefs->dst_port = (xport) dst_port;
- /*
- **************************
- * Customize struct peerd *
- **************************
- */
+ /*********************************\
+ * Create timers for all metrics *
+ \*********************************/
+
+ if (init_timer(&prefs->total_tm, INSANITY_SANE))
+ goto tm_fail;
+ if (init_timer(&prefs->sub_tm, INSANITY_MANIC))
+ goto tm_fail;
+ if (init_timer(&prefs->get_tm, INSANITY_PARANOID))
+ goto tm_fail;
+ if (init_timer(&prefs->rec_tm, INSANITY_ECCENTRIC))
+ goto tm_fail;
+
+ /*************************************\
+ * Initialize the LFSR and global_id *
+ \*************************************/
+reseed:
+ //We proceed to initialise the global_id, and seed variables.
+ if (seed == -1) {
+ clock_gettime(CLOCK_MONOTONIC_RAW, &timer_seed);
+ seed = timer_seed.tv_nsec;
+ } else {
+ set_by_hand = 1;
+ }
+ create_id(seed);
+
+ if (GET_FLAG(PATTERN, prefs->flags) == PATTERN_RAND) {
+ prefs->lfsr = malloc(sizeof(struct bench_lfsr));
+ if (!prefs->lfsr) {
+ perror("malloc");
+ goto lfsr_fail;
+ }
+
+ r = lfsr_init(prefs->lfsr, prefs->status->max, seed, seed & 0xF);
+ if (r && set_by_hand) {
+ XSEGLOG2(&lc, E, "LFSR could not be initialized.\n");
+ goto lfsr_fail;
+ } else if (r) {
+ seed = -1;
+ goto reseed;
+ }
+ }
+
+ /****************************\
+ * Finalize initializations *
+ \****************************/
+
+ /* The request cap must be enforced only after the LFSR is initialized */
+ if (request_cap[0]) {
+ rc = str2num(request_cap);
+ if (!rc) {
+ XSEGLOG2(&lc, E, "Invalid syntax: -rc %s\n", request_cap);
+ goto arg_fail;
+ } else if (rc > prefs->status->max) {
+ XSEGLOG2(&lc, E, "Request cap exceeds current request total.\n");
+ goto arg_fail;
+ }
+ prefs->status->max = rc;
+ }
- peer->custom_peerd_loop = custom_peerd_loop;
+ prefs->peer = peer;
+ peer->peerd_loop = bench_peerd_loop;
peer->priv = (void *) prefs;
+ XSEGLOG2(&lc, I, "Global ID is %s\n", global_id);
return 0;
arg_fail:
- free(prefs);
custom_peer_usage();
+lfsr_fail:
+ free(prefs->lfsr);
+tm_fail:
+ free(prefs->total_tm);
+ free(prefs->sub_tm);
+ free(prefs->get_tm);
+ free(prefs->rec_tm);
+ free(prefs);
+ return -1;
+}
+
+
+static int send_request(struct peerd *peer, struct bench *prefs)
+{
+ struct xseg_request *req;
+ struct xseg *xseg = peer->xseg;
+ struct peer_req *pr;
+ xport srcport = prefs->src_port;
+ xport dstport = prefs->dst_port;
+ xport p;
+
+ int r;
+ uint64_t new;
+ uint64_t size = prefs->bs;
+
+ //srcport and dstport must already be provided by the user.
+ //returns struct xseg_request with basic initializations
+ XSEGLOG2(&lc, D, "Get new request\n");
+ timer_start(prefs, prefs->get_tm);
+ req = xseg_get_request(xseg, srcport, dstport, X_ALLOC);
+ if (!req) {
+ XSEGLOG2(&lc, W, "Cannot get request\n");
+ return -1;
+ }
+ timer_stop(prefs, prefs->get_tm, NULL);
+
+ //Allocate enough space for the data and the target's name
+ XSEGLOG2(&lc, D, "Prepare new request\n");
+ r = xseg_prep_request(xseg, req, TARGETLEN, size);
+ if (r < 0) {
+ XSEGLOG2(&lc, W, "Cannot prepare request! (%lu, %llu)\n",
+ TARGETLEN, (unsigned long long)size);
+ goto put_xseg_request;
+ }
+
+ //Determine what the next target/chunk will be, based on I/O pattern
+ new = determine_next(prefs);
+ req->op = prefs->op;
+ XSEGLOG2(&lc, I, "Our new request is %lu\n", new);
+ //Create a target of this format: "bench-<global_id>-<obj_no>"
+ create_target(prefs, req, new);
+
+ if (prefs->op == X_WRITE || prefs->op == X_READ) {
+ req->size = size;
+ //Calculate the chunk's offset inside the object
+ req->offset = calculate_offset(prefs, new);
+ XSEGLOG2(&lc, D, "Offset of request %lu is %lu\n", new, req->offset);
+
+ if (prefs->op == X_WRITE)
+ create_chunk(prefs, req, new);
+ }
+
+
+ //Measure this?
+ XSEGLOG2(&lc, D, "Allocate peer request\n");
+ pr = alloc_peer_req(peer);
+ if (!pr) {
+ XSEGLOG2(&lc, W, "Cannot allocate peer request (%ld remaining)\n",
+ peer->nr_ops - xq_count(&peer->free_reqs));
+ goto put_xseg_request;
+ }
+ pr->peer = peer;
+ pr->portno = srcport;
+ pr->req = req;
+ pr->priv = malloc(sizeof(struct timespec));
+ if (!pr->priv) {
+ perror("malloc");
+ goto put_peer_request;
+ }
+
+ //XSEGLOG2(&lc, D, "Set request data\n");
+ r = xseg_set_req_data(xseg, req, pr);
+ if (r < 0) {
+ XSEGLOG2(&lc, W, "Cannot set request data\n");
+ goto put_peer_request;
+ }
+
+ /*
+ * Start measuring receive time.
+ * When we receive a request, we need to have its submission time to
+ * measure elapsed time. Thus, we memcpy its submission time to pr->priv.
+ * QUESTION: Is this the fastest way?
+ */
+ timer_start(prefs, prefs->rec_tm);
+ if (prefs->rec_tm->insanity <= GET_FLAG(INSANITY, prefs->flags))
+ memcpy(pr->priv, &prefs->rec_tm->start_time, sizeof(struct timespec));
+
+ //Submit the request from the source port to the target port
+ XSEGLOG2(&lc, D, "Submit request %lu\n", new);
+ timer_start(prefs, prefs->sub_tm);
+ p = xseg_submit(xseg, req, srcport, X_ALLOC);
+ if (p == NoPort) {
+ XSEGLOG2(&lc, W, "Cannot submit request\n");
+ goto put_peer_request;
+ }
+ prefs->status->submitted++;
+ timer_stop(prefs, prefs->sub_tm, NULL);
+
+ //Send SIGIO to the process that has bound this port to inform that
+ //IO is possible
+ r = xseg_signal(xseg, p);
+ //if (r < 0)
+ // XSEGLOG2(&lc, W, "Cannot signal destination peer (reason %d)\n", r);
+
+ return 0;
+
+put_peer_request:
+ free(pr->priv);
+ free_peer_req(peer, pr);
+put_xseg_request:
+ if (xseg_put_request(xseg, req, srcport))
+ XSEGLOG2(&lc, W, "Cannot put request\n");
return -1;
}
/*
- * This function substitutes the default peerd_loop of peer.c.
- * This is achieved by passing to gcc a CUSTOM_LOOP macro definition which is
- * checked (ifdef) in peer.c
+ * This function substitutes the default generic_peerd_loop of peer.c.
+ * It's plugged to struct peerd at custom peer's initialisation
*/
-int custom_peerd_loop(struct peerd *peer)
+int bench_peerd_loop(void *arg)
{
#ifdef MT
- int i;
- if (peer->interactive_func)
- peer->interactive_func();
- for (i = 0; i < peer->nr_threads; i++) {
- pthread_join(peer->thread[i].tid, NULL);
- }
+ struct thread *t = (struct thread *) arg;
+ struct peerd *peer = t->peer;
+ char *id = t->arg;
#else
+ struct peerd *peer = (struct peerd *) arg;
+ char id[4] = {'P','e','e','r'};
+#endif
struct xseg *xseg = peer->xseg;
struct bench *prefs = peer->priv;
-
xport portno_start = peer->portno_start;
xport portno_end = peer->portno_end;
uint64_t threshold=1000/(1 + portno_end - portno_start);
- pid_t pid =syscall(SYS_gettid);
+ pid_t pid = syscall(SYS_gettid);
+ int r;
uint64_t loops;
- uint64_t remaining = prefs->ts;
-
- XSEGLOG2(&lc, I, "Peer has tid %u.\n", pid);
+ XSEGLOG2(&lc, I, "%s has tid %u.\n",id, pid);
xseg_init_local_signal(xseg, peer->portno_start);
- while (!isTerminate()
- && xq_count(&peer->free_reqs) == peer->nr_ops
- && remaining) {
- for (loops= threshold; loops > 0; loops--) {
+ timer_start(prefs, prefs->total_tm);
+send_request:
+ while (!isTerminate()) {
+#ifdef MT
+ if (t->func) {
+ XSEGLOG2(&lc, D, "%s executes function\n", id);
+ xseg_cancel_wait(xseg, peer->portno_start);
+ t->func(t->arg);
+ t->func = NULL;
+ t->arg = NULL;
+ continue;
+ }
+#endif
+ while (CAN_SEND_REQUEST(prefs)) {
+ xseg_cancel_wait(xseg, peer->portno_start);
+ XSEGLOG2(&lc, D, "...because %lu < %lu && %lu < %lu\n",
+ prefs->status->submitted - prefs->status->received,
+ prefs->iodepth, prefs->status->received,
+ prefs->status->max);
+ XSEGLOG2(&lc, D, "Start sending new request\n");
+ r = send_request(peer, prefs);
+ if (r < 0)
+ break;
+ }
+ //Heart of peerd_loop. This loop is common for everyone.
+ for (loops = threshold; loops > 0; loops--) {
if (loops == 1)
xseg_prepare_wait(xseg, peer->portno_start);
- if (check_ports(peer))
- loops = threshold;
+
+ if (check_ports(peer)) {
+ //If an old request has just been acked, the most sensible
+ //thing to do is to immediately send a new one
+ if (prefs->status->received < prefs->status->max)
+ goto send_request;
+ else
+ return 0;
+ }
}
+ //struct xseg_port *port = xseg_get_port(xseg, portno_start);
+ //struct xq *q;
+ //q = XPTR_TAKE(port->request_queue, xseg->segment);
+ //XSEGLOG2(&lc, I, "%s goes to sleep with %u requests pending\n",
+ // id, xq_count(q));
+ XSEGLOG2(&lc, I, "%s goes to sleep\n", id);
#ifdef ST_THREADS
if (ta){
st_sleep(0);
continue;
}
#endif
- XSEGLOG2(&lc, I, "Peer goes to sleep\n");
xseg_wait_signal(xseg, 10000000UL);
xseg_cancel_wait(xseg, peer->portno_start);
- XSEGLOG2(&lc, I, "Peer woke up\n");
+ XSEGLOG2(&lc, I, "%s woke up\n", id);
}
- custom_peer_finalize(peer);
- xseg_quit_local_signal(xseg, peer->portno_start);
-#endif
+
+ XSEGLOG2(&lc, I, "peer->free_reqs = %d, peer->nr_ops = %d\n",
+ xq_count(&peer->free_reqs), peer->nr_ops);
return 0;
}
void custom_peer_finalize(struct peerd *peer)
{
+ struct bench *prefs = peer->priv;
+ //TODO: Measure mean time, standard variation
+
+ if (!prefs->total_tm->completed)
+ timer_stop(prefs, prefs->total_tm, NULL);
+
+ print_stats(prefs);
+ print_res(prefs, prefs->total_tm, "Total Requests");
return;
}
+/*
+ * handle_received: +1 to our received requests.
+ * Do some sanity checks and then check if request is failed.
+ * If not try to verify the request if asked.
+ */
+static void handle_received(struct peerd *peer, struct peer_req *pr)
+{
+ //FIXME: handle null pointer
+ struct bench *prefs = peer->priv;
+ struct timer *rec = prefs->rec_tm;
+
+ prefs->status->received++;
+ if (!pr->req) {
+ //This is a serious error, so we must stop
+ XSEGLOG2(&lc, E, "Received peer request with no xseg request");
+ terminated++;
+ return;
+ }
+
+ if ((GET_FLAG(INSANITY, prefs->flags) < rec->insanity) && !pr->priv) {
+ XSEGLOG2(&lc, W, "Cannot find submission time of request");
+ return;
+ }
+
+ timer_stop(prefs, rec, pr->priv);
+
+ if (!(pr->req->state & XS_SERVED))
+ prefs->status->failed++;
+ else if (CAN_VERIFY(prefs) && read_chunk(prefs, pr->req))
+ prefs->status->corrupted++;
+
+ if (xseg_put_request(peer->xseg, pr->req, pr->portno))
+ XSEGLOG2(&lc, W, "Cannot put xseg request\n");
+
+ //QUESTION, can't we just keep the malloced memory for future use?
+ free(pr->priv);
+ free_peer_req(peer, pr);
+}
+
int dispatch(struct peerd *peer, struct peer_req *pr, struct xseg_request *req,
enum dispatch_reason reason)
{
- if (canDefer(peer))
- defer_request(peer, pr);
- else {
-// printf("completing req id: %u (remote %u)\n", (unsigned int) (pr - peer->peer_reqs), (unsigned int) pr->req->priv);
-// nanosleep(&delay,NULL);
-// print_req(peer->xseg, pr->req);
- complete(peer, pr);
+ switch (reason) {
+ case dispatch_accept:
+ //This is wrong, benchmarking peer should not accept requests,
+ //only receive them.
+ XSEGLOG2(&lc, W, "Bench peer should not accept requests\n");
+ complete(peer, pr);
+ break;
+ case dispatch_receive:
+ handle_received(peer, pr);
+ break;
+ default:
+ fail(peer, pr);
}
return 0;
}
projects / archipelago / blobdiff