-/* $Id$ */
+/* saturate - link saturation demo of AMOK features */
-/* saturate - link saturation demo of GRAS features */
-
-/* Copyright (c) 2003 Martin Quinson. All rights reserved. */
+/* Copyright (c) 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include <signal.h>
#include <time.h>
-#include <gras.h>
+#include "xbt/peer.h"
+#include "gras.h"
+#include "amok/bandwidth.h"
+#include "amok/peermanagement.h"
-XBT_LOG_NEW_DEFAULT_CATEGORY(saturate,"Messages specific to this example");
+XBT_LOG_NEW_DEFAULT_CATEGORY(saturate,
+ "Messages specific to this example");
/* **********************************************************************
* Sensor code
* **********************************************************************/
-/* Global private data */
-typedef struct {
- gras_socket_t *sock;
-} sensor_data_t;
-
/* Function prototypes */
-int sensor (int argc,char *argv[]);
+int sensor(int argc, char *argv[]);
-int sensor (int argc,char *argv[]) {
- xbt_error_t errcode;
- sensor_data_t *g=gras_userdata_new(sensor_data_t);
+int sensor(int argc, char *argv[])
+{
+ xbt_socket_t mysock;
+ xbt_socket_t master;
- if ((errcode=gras_socket_server(4000,&(g->sock)))) {
- CRITICAL1("Sensor: Error %s encountered while opening the server socket",xbt_error_name(errcode));
- return 1;
- }
+ gras_init(&argc, argv);
+ amok_bw_init();
+ amok_pm_init();
- if (grasbw_register_messages()) {
- gras_socket_close(g->sock);
- return 1;
- }
+ mysock = gras_socket_server_range(3000, 9999, 0, 0);
+ XBT_INFO("Sensor starting (on port %d)", gras_os_myport());
+ gras_os_sleep(2); /* let the master get ready */
+ master = gras_socket_client_from_string(argv[1]);
- while (1) {
- if ((errcode=gras_msg_handle(60.0)) && errcode != timeout_error) {
- CRITICAL1("Sensor: Error '%s' while handling message",
- xbt_error_name(errcode));
- }
- }
+ amok_pm_group_join(master, "saturate");
+ amok_pm_mainloop(600);
- gras_os_sleep(5,0);
- gras_socket_close(g->sock);
-
+ gras_socket_close(mysock);
+ gras_socket_close(master);
+ gras_exit();
return 0;
}
* Maestro code
* **********************************************************************/
-/* Global private data */
-typedef struct {
- gras_socket_t *sock;
-} maestro_data_t;
-
/* Function prototypes */
-int maestro (int argc,char *argv[]);
-double XP(const char *bw1, const char *bw2, const char *sat1, const char *sat2);
-
-double XP(const char *bw1, const char *bw2, const char *sat1, const char *sat2) {
- xbt_error_t errcode;
- int bufSize=32 * 1024;
- int expSize=64 * 1024;
- int msgSize=64 * 1024;
- int satSize=msgSize * 10;
- double sec, bw, sec_sat,bw_sat;
-
- if ((errcode=grasbw_request(bw1,4000,bw2,4000,bufSize,expSize,msgSize,&sec,&bw))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while doing the test\n",xbt_error_name(errcode));
- return -1;
- }
-
- fprintf(stderr,"MAESTRO: BW(%s,%s) => %f sec, achieving %f Mb/s\n",bw1,bw2,sec,bw);
+int maestro(int argc, char *argv[]);
- if ((errcode=grasbw_saturate_start(sat1,4000,sat2,4000,satSize,60))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while starting saturation\n",
- xbt_error_name(errcode));
- return -1;
- }
- gras_os_sleep(1,0);
- if ((errcode=grasbw_request(bw1,4000,bw2,4000,bufSize,expSize,msgSize,&sec_sat,&bw_sat))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while doing the test\n",xbt_error_name(errcode));
- return -1;
+/* XP setups */
+const int buf_size = 0;
+const int msg_size = 50 * 1024;
+const int msg_amount = 2;
+const int sat_size = 1024 * 1024 * 10;
+const double min_duration = 1;
+
+static double XP(const char *bw1, const char *bw2,
+ const char *sat1, const char *sat2)
+{
+
+ double sec, bw, sec_sat, bw_sat;
+
+ gras_os_sleep(5.0); /* wait for the sensors to show up */
+ /* Test BW without saturation */
+ amok_bw_request(bw1, 4000, bw2, 4000,
+ buf_size, msg_size, msg_amount, min_duration, &sec, &bw);
+ XBT_INFO("BW(%s,%s) => %f sec, achieving %f Mb/s",
+ bw1, bw2, sec, (bw / 1024.0 / 1024.0));
+
+
+ /* Test BW with saturation */
+ amok_bw_saturate_start(sat1, 4000, sat2, 4000, sat_size, 60);
+ gras_os_sleep(1.0); /* let it start */
+
+ amok_bw_request(bw1, 4000, bw2, 4000,
+ buf_size, msg_size, msg_amount, min_duration, &sec_sat,
+ &bw_sat);
+ XBT_INFO("BW(%s,%s//%s,%s) => %f sec, achieving %f Mb/s", bw1, bw2, sat1,
+ sat2, sec, bw / 1024.0 / 1024.0);
+
+ amok_bw_saturate_stop(sat1, 4000, NULL, NULL);
+
+ if (bw_sat / bw < 0.7) {
+ XBT_INFO("THERE IS SOME INTERFERENCE !!!");
}
-
- fprintf(stderr,"MAESTRO: BW(%s,%s//%s,%s) => %f sec, achieving %f Mb/s\n",
- bw1,bw2,sat1,sat2,sec_sat,bw_sat);
-
- if ((errcode=grasbw_saturate_stop(sat1,4000,sat2,4000))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while stopping saturation\n",
- xbt_error_name(errcode));
- return -1;
+ if (bw / bw_sat < 0.7) {
+ XBT_INFO("THERE IS SOME INTERFERENCE (and I'm an idiot) !!!");
}
+ return bw_sat / bw;
+}
+
+static void kill_buddy(char *name, int port)
+{
+ xbt_socket_t sock = gras_socket_client(name, port);
+ gras_msg_send(sock, "kill", NULL);
+ gras_socket_close(sock);
+}
- if (bw_sat/bw < 0.7) {
- fprintf(stderr,"MAESTRO: THERE IS SOME INTERFERENCE !!!\n");
- }
- if (bw/bw_sat < 0.7) {
- fprintf(stderr,"MAESTRO: THERE IS SOME INTERFERENCE (and Im a cretin) !!!\n");
- }
- return bw_sat/bw;
+static void kill_buddy_dynar(void *b)
+{
+ xbt_peer_t buddy = *(xbt_peer_t *) b;
+ kill_buddy(buddy->name, buddy->port);
+}
+static void free_peer(void *d)
+{
+ xbt_peer_t h = *(xbt_peer_t *) d;
+ free(h->name);
+ free(h);
}
-//#define MAXHOSTS 33
-#define MAXHOSTS 4
+static void simple_saturation(int argc, char *argv[])
+{
+ xbt_ex_t e;
+
+ /* where are the sensors */
+ xbt_dynar_t peers;
+ xbt_peer_t h1, h2;
+ /* results */
+ double duration, bw;
+
+ /* Init the group */
+ peers = amok_pm_group_new("saturate");
+ /* wait for dudes */
+ gras_msg_handleall(5);
+
+ /* Stop all sensors but two of them */
+ while (xbt_dynar_length(peers) > 2) {
+ xbt_dynar_pop(peers, &h1);
+ amok_pm_kill_hp(h1->name, h1->port);
+ xbt_peer_free(h1);
+ }
-int maestro(int argc,char *argv[]) {
- int bufSize=32 * 1024;
- int expSize= 1024 * 1024;
- int msgSize=expSize;
- int satSize=msgSize * 100;
- double dummy,beginSim;
- xbt_error_t errcode;
- maestro_data_t *g=gras_userdata_new(maestro_data_t);
- // const char *hosts[MAXHOSTS] = { "61", "62", "63", "69", "70", "77", "81", "83", "85", "87", "88", "95", "98", "107", "109", "111", "112", "121", "124", "125", "131", "145", "150", "156", "157", "162", "165", "168", "169", "170", "175", "177", "178" };
- const char *hosts[MAXHOSTS] = { "A", "B", "C", "D" };
+ /* get 2 friends */
+ xbt_dynar_get_cpy(peers, 0, &h1);
+ xbt_dynar_get_cpy(peers, 1, &h2);
- double bw[MAXHOSTS][MAXHOSTS];
- double bw_sat[MAXHOSTS][MAXHOSTS];
+ /* Start saturation */
+ XBT_INFO("Start saturation between %s:%d and %s:%d",
+ h1->name, h1->port, h2->name, h2->port);
- int a,b,c,d,begin;
+ amok_bw_saturate_start(h1->name, h1->port, h2->name, h2->port, 0, /* Be a nice boy, compute msg_size yourself */
+ 30 /* 5 sec timeout */ );
- if ((errcode=gras_socket_server(4000,&(g->sock)))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while opening the server socket\n",xbt_error_name(errcode));
- return 1;
+ /* Stop it after a while */
+ XBT_INFO("Have a rest");
+ gras_os_sleep(1);
+ TRY {
+ XBT_INFO("Stop the saturation");
+ amok_bw_saturate_stop(h1->name, h1->port, &duration, &bw);
}
-
- if (grasbw_register_messages()) {
- gras_socket_close(g->sock);
- return 1;
+ CATCH(e) {
+ XBT_INFO("Ooops, stoping the saturation raised an exception");
+ xbt_ex_free(e);
}
+ XBT_INFO("Saturation took %.2fsec, achieving %fb/s", duration, bw);
- begin=time(NULL);
- beginSim=gras_os_time();
- for (a=0; a<MAXHOSTS; a++) {
- for (b=0; b<MAXHOSTS; b++) {
- if (a==b) continue;
- fprintf(stderr,"BW XP(%s %s)=",hosts[a],hosts[b]);
- if ((errcode=grasbw_request(hosts[a],4000,hosts[b],4000,bufSize,expSize,msgSize,
- &dummy,&(bw[a][b])))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while doing the test\n",xbt_error_name(errcode));
- return 1;
- }
- fprintf(stderr,"%f Mb/s in %f sec\n",bw[a][b],dummy);
- }
- }
- fprintf(stderr,"Did all BW tests in %ld sec (%.2f simulated sec)\n",
- time(NULL)-begin,gras_os_time()-beginSim);
-
- for (a=0; a<MAXHOSTS; a++) {
- for (b=0; b<MAXHOSTS; b++) {
- if (a==b) continue;
-
- if ((errcode=grasbw_saturate_start(hosts[a],4000,hosts[b],4000,satSize,360000000))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while starting saturation\n",
- xbt_error_name(errcode));
- return -1;
+ /* Game is over, friends */
+ amok_pm_group_shutdown("saturate");
+}
+
+/********************************************************************************************/
+static void full_fledged_saturation(int argc, char *argv[])
+{
+ double time1 = 5.0, bw1 = 5.0; // 0.5 for test
+ /* timers */
+ double begin_simulated;
+ int begin;
+
+ /* where are the sensors */
+ xbt_dynar_t peers;
+ int nb_peers;
+
+ /* results */
+ double *bw;
+ double *bw_sat;
+
+ /* iterators */
+ unsigned int i, j, k, l;
+ xbt_peer_t h1, h2, h3, h4;
+
+ /* Init the group */
+ peers = amok_pm_group_new("saturate");
+ /* wait 4 dudes */
+ gras_msg_handle(60);
+ gras_msg_handle(60);
+ gras_msg_handle(60);
+ gras_msg_handle(60);
+ nb_peers = xbt_dynar_length(peers);
+
+ XBT_INFO("Let's go for the bw_matrix");
+
+ /* Do the test without saturation */
+ begin = time(NULL);
+ begin_simulated = gras_os_time();
+
+ bw = amok_bw_matrix(peers, buf_size, msg_size, msg_amount, min_duration);
+
+ XBT_INFO("Did all BW tests in %ld sec (%.2f simulated(?) sec)",
+ (long int) (time(NULL) - begin), gras_os_time() - begin_simulated);
+
+ /* Do the test with saturation */
+ bw_sat = xbt_new(double, nb_peers * nb_peers);
+ xbt_dynar_foreach(peers, i, h1) {
+ xbt_dynar_foreach(peers, j, h2) {
+ if (i == j)
+ continue;
+
+ TRY {
+ amok_bw_saturate_start(h1->name, h1->port, h2->name, h2->port, 0, /* Be nice, compute msg_size yourself */
+ 0 /* no timeout */ );
}
- gras_os_sleep(1,0);
-
- begin=time(NULL);
- beginSim=gras_os_time();
- for (c=0 ;c<MAXHOSTS; c++) {
- if (a==c) continue;
- if (b==c) continue;
-
- for (d=0 ;d<MAXHOSTS; d++) {
- if (a==d) continue;
- if (b==d) continue;
- if (c==d) continue;
-
- if ((errcode=grasbw_request(hosts[c],4000,hosts[d],4000,bufSize,expSize,msgSize,
- &dummy,&(bw_sat[c][d])))) {
- fprintf(stderr,"MAESTRO: Error %s encountered in test\n",xbt_error_name(errcode));
- return 1;
- }
- fprintf(stderr, "MAESTRO[%.2f sec]: SATURATED BW XP(%s %s // %s %s) => %f (%f vs %f)%s\n",
- gras_os_time(),
- hosts[c],hosts[d],hosts[a],hosts[b],
- bw_sat[c][d]/bw[c][d],bw[c][d],bw_sat[c][d],
-
- (bw_sat[c][d]/bw[c][d] < 0.7) ? " THERE IS SOME INTERFERENCE !!!":
- ((bw[c][d]/bw_sat[c][d] < 0.7) ? " THERE IS SOME INTERFERENCE (and Im a cretin) !!!":
- ""));
- }
+ CATCH_ANONYMOUS {
+ RETHROWF("Cannot ask peers to saturate the link: %s");
}
-
- if ((errcode=grasbw_saturate_stop(hosts[a],4000,hosts[b],4000))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while stopping saturation\n",
- xbt_error_name(errcode));
- return -1;
+ gras_os_sleep(5);
+
+ begin = time(NULL);
+ begin_simulated = gras_os_time();
+ xbt_dynar_foreach(peers, k, h3) {
+ if (i == k || j == k)
+ continue;
+
+ xbt_dynar_foreach(peers, l, h4) {
+ double ratio;
+ if (i == l || j == l || k == l)
+ continue;
+
+ XBT_VERB("TEST %s %s // %s %s",
+ h1->name, h2->name, h3->name, h4->name);
+ amok_bw_request(h3->name, h3->port, h4->name, h4->port,
+ buf_size, msg_size, msg_amount, min_duration,
+ NULL, &(bw_sat[k * nb_peers + l]));
+
+ ratio = bw_sat[k * nb_peers + l] / bw[k * nb_peers + l];
+ XBT_INFO("SATURATED BW XP(%s %s // %s %s) => %f (%f vs %f)%s",
+ h1->name, h2->name, h3->name, h4->name,
+ ratio,
+ bw[k * nb_peers + l], bw_sat[k * nb_peers + l],
+ ratio < 0.7 ? " THERE IS SOME INTERFERENCE !!!" : "");
+ }
}
- fprintf(stderr,"Did an iteration on saturation pair in %ld sec (%.2f simulated sec)\n",
- time(NULL)-begin, gras_os_time()-beginSim);
+ amok_bw_saturate_stop(h1->name, h1->port, &time1, &bw1);
+
+ XBT_INFO
+ ("Did an iteration on saturation pair in %ld sec (%.2f simulated sec)",
+ (long int) (time(NULL) - begin),
+ gras_os_time() - begin_simulated);
+ XBT_INFO
+ ("the duration of the experiment >>>>> %.3f sec (%.3f bandwidth)",
+ time1, bw1);
}
}
+ free(bw_sat);
+ free(bw);
+ /* Game is over, friends */
+ amok_pm_group_shutdown("saturate");
+}
- gras_os_sleep(5,0);
- exit(0);
-#if 0
- return 0;
- /* start saturation */
- fprintf(stderr,"MAESTRO: Start saturation with size %d\n",msgSize);
- if ((errcode=grasbw_saturate_start(argv[5],atoi(argv[6]),argv[7],atoi(argv[8]),msgSize*10,60))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while starting saturation\n",
- xbt_error_name(errcode));
- return 1;
- }
- fprintf(stderr,"MAESTRO: Saturation started\n");
- gras_os_sleep(5,0);
-
- /* test with saturation */
- if ((errcode=grasbw_request(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]),
- bufSize,expSize,msgSize,&sec,&bw))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while doing the test\n",xbt_error_name(errcode));
- return 1;
- }
-
- fprintf(stderr,"MAESTRO: Experience3 (%d ko in msgs of %d ko with saturation) took %f sec, achieving %f Mb/s\n",
- expSize/1024,msgSize/1024,
- sec,bw);
-
- /* stop saturation */
- if ((errcode=grasbw_saturate_stop(argv[5],atoi(argv[6]),argv[7],atoi(argv[8])))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while stopping saturation\n",
- xbt_error_name(errcode));
- return 1;
- }
- /* test without saturation */
- if ((errcode=grasbw_request(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]),
- bufSize,expSize,msgSize,&sec,&bw))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while doing the test\n",xbt_error_name(errcode));
- return 1;
- }
-
- fprintf(stderr,"MAESTRO: Experience4 (%d ko in msgs of %d ko, without saturation) took %f sec, achieving %f Mb/s\n",
- expSize/1024,msgSize/1024,
- sec,bw);
-
- gras_os_sleep(5,0);
-#endif
- gras_socket_close(g->sock);
-
+int maestro(int argc, char *argv[])
+{
+
+ gras_init(&argc, argv);
+ amok_bw_init();
+ amok_pm_init();
+
+ gras_socket_server(atoi(argv[1]));
+
+ simple_saturation(argc, argv);
+ //full_fledged_saturation(argc, argv);
+
+ gras_exit();
return 0;
+
}
