-/* $Id$ */
-
/* amok_saturate - Link saturating facilities (for ALNeM's BW testing) */
-/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
+/* Copyright (c) 2004, 2005, 2006, 2007, 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 "amok/Bandwidth/bandwidth_private.h"
-#include "gras/Msg/msg_private.h" /* FIXME: This mucks with contextes to answer RPC directly */
+#include "gras/Msg/msg_private.h" /* FIXME: This mucks with contextes to answer RPC directly */
+#include "xbt/ex.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(amok_bw_sat,amok_bw,"Everything concerning the SATuration part of the amok_bw module");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(amok_bw_sat, amok_bw,
+ "Everything concerning the SATuration part of the amok_bw module");
static int amok_bw_cb_sat_start(gras_msg_cb_ctx_t ctx, void *payload);
static int amok_bw_cb_sat_begin(gras_msg_cb_ctx_t ctx, void *payload);
-void amok_bw_sat_init(void) {
- gras_datadesc_type_t bw_res_desc=gras_datadesc_by_name("bw_res_t");
+void amok_bw_sat_init(void)
+{
+ gras_datadesc_type_t bw_res_desc = gras_datadesc_by_name("bw_res_t");
gras_datadesc_type_t sat_request_desc;
- /* Build the saturation datatype descriptions */
-
+ /* Build the saturation datatype descriptions */
+
sat_request_desc = gras_datadesc_struct("s_sat_request_desc_t");
- gras_datadesc_struct_append(sat_request_desc,"host",gras_datadesc_by_name("s_xbt_host_t"));
- gras_datadesc_struct_append(sat_request_desc,"msg_size",gras_datadesc_by_name("unsigned int"));
- gras_datadesc_struct_append(sat_request_desc,"duration",gras_datadesc_by_name("unsigned int"));
+ gras_datadesc_struct_append(sat_request_desc, "peer",
+ gras_datadesc_by_name("s_xbt_peer_t"));
+ gras_datadesc_struct_append(sat_request_desc, "msg_size",
+ gras_datadesc_by_name("unsigned int"));
+ gras_datadesc_struct_append(sat_request_desc, "duration",
+ gras_datadesc_by_name("unsigned int"));
gras_datadesc_struct_close(sat_request_desc);
- sat_request_desc = gras_datadesc_ref("sat_request_t",sat_request_desc);
-
+ sat_request_desc = gras_datadesc_ref("sat_request_t", sat_request_desc);
+
/* Register the saturation messages */
gras_msgtype_declare_rpc("amok_bw_sat start", sat_request_desc, NULL);
- gras_msgtype_declare_rpc("amok_bw_sat begin", sat_request_desc, sat_request_desc);
- gras_msgtype_declare_rpc("amok_bw_sat stop", NULL, bw_res_desc);
+ gras_msgtype_declare_rpc("amok_bw_sat begin", sat_request_desc,
+ sat_request_desc);
+ gras_msgtype_declare_rpc("amok_bw_sat stop", NULL, bw_res_desc);
}
-void amok_bw_sat_join(void) {
- gras_cb_register(gras_msgtype_by_name("amok_bw_sat start"),
- &amok_bw_cb_sat_start);
- gras_cb_register(gras_msgtype_by_name("amok_bw_sat begin"),
- &amok_bw_cb_sat_begin);
+
+void amok_bw_sat_join(void)
+{
+ gras_cb_register("amok_bw_sat start", &amok_bw_cb_sat_start);
+ gras_cb_register("amok_bw_sat begin", &amok_bw_cb_sat_begin);
}
-void amok_bw_sat_leave(void) {
- gras_cb_unregister(gras_msgtype_by_name("amok_bw_sat start"),
- &amok_bw_cb_sat_start);
- gras_cb_unregister(gras_msgtype_by_name("amok_bw_sat begin"),
- &amok_bw_cb_sat_begin);
+
+void amok_bw_sat_leave(void)
+{
+ gras_cb_unregister("amok_bw_sat start", &amok_bw_cb_sat_start);
+ gras_cb_unregister("amok_bw_sat begin", &amok_bw_cb_sat_begin);
}
/* ***************************************************************************
/**
* @brief Ask 'from_name:from_port' to stop saturating going to to_name:to_name.
*
- * @param from_name: Name of the host we are asking to do a experiment with (to_name:to_port)
+ * @param from_name: Name of the peer we are asking to do a experiment with (to_name:to_port)
* @param from_port: port on which the process we are asking for an experiment is listening
* (for message, do not give a raw socket here. The needed raw socket will be negociated
* between the peers)
- * @param to_name: Name of the host with which we should conduct the experiment
+ * @param to_name: Name of the peer with which we should conduct the experiment
* @param to_port: port on which the peer process is listening for message
* @param msg_size: Size of each message sent.
* @param duration: How long in maximum should be the saturation.
* Ask the process 'from_name:from_port' to start to saturate the link between itself
* and to_name:to_name.
*/
-void amok_bw_saturate_start(const char* from_name,unsigned int from_port,
- const char* to_name,unsigned int to_port,
- unsigned int msg_size, double duration) {
+void amok_bw_saturate_start(const char *from_name, unsigned int from_port,
+ const char *to_name, unsigned int to_port,
+ unsigned int msg_size, double duration)
+{
gras_socket_t sock;
+ sat_request_t request = xbt_new(s_sat_request_t, 1);
- sat_request_t request = xbt_new(s_sat_request_t,1);
-
- sock = gras_socket_client(from_name,from_port);
+ VERB4("Start from_name %s:%d -> to_name %s:%d",
+ from_name, from_port, to_name, to_port);
+ sock = gras_socket_client(from_name, from_port);
- request->host.name = (char*)to_name;
- request->host.port = to_port;
-
- request->duration=duration;
- request->msg_size=msg_size;
+ request->peer.name = (char *) to_name;
+ request->peer.port = to_port;
+ request->duration = duration;
+ request->msg_size = msg_size;
- gras_msg_rpccall(sock,60,gras_msgtype_by_name("amok_bw_sat start"),&request, NULL);
+ gras_msg_rpccall(sock, 60, "amok_bw_sat start", &request, NULL);
free(request);
gras_socket_close(sock);
}
/* Asked to begin a saturation */
-static int amok_bw_cb_sat_start(gras_msg_cb_ctx_t ctx, void *payload){
- sat_request_t request = *(sat_request_t*)payload;
+static int amok_bw_cb_sat_start(gras_msg_cb_ctx_t ctx, void *payload)
+{
+ sat_request_t request = *(sat_request_t *) payload;
gras_socket_t expeditor = gras_msg_cb_ctx_from(ctx);
VERB4("Asked by %s:%d to start a saturation to %s:%d",
- gras_socket_peer_name(expeditor),gras_socket_peer_port(expeditor),
- request->host.name,request->host.port);
-
- gras_msg_rpcreturn(60,ctx, NULL);
- amok_bw_saturate_begin(request->host.name,request->host.port,
- request->msg_size, request->duration,
- NULL,NULL);
- free(request->host.name);
+ gras_socket_peer_name(expeditor), gras_socket_peer_port(expeditor),
+ request->peer.name, request->peer.port);
+
+ gras_msg_rpcreturn(60, ctx, NULL);
+
+ amok_bw_saturate_begin(request->peer.name, request->peer.port,
+ request->msg_size, request->duration, NULL, NULL);
+
+ free(request->peer.name);
+
free(request);
- return 1;
+ return 0;
}
/**
* @brief Start saturating between the current process and the designated peer
*
* Note that the only way to break this function before the end of the timeout
- * is to have a remote host calling amok_bw_saturate_stop to this process.
+ * is to have a remote peer calling amok_bw_saturate_stop to this process.
*
* If duration=0, the experiment will never timeout (you then have to manually
* stop it).
* If msg_size=0, the size will be automatically computed to make sure that
* each of the messages occupy the connexion one second
*/
-void amok_bw_saturate_begin(const char* to_name,unsigned int to_port,
- unsigned int msg_size, double duration,
- /*out*/ double *elapsed_res, double *bw_res) {
-
+void amok_bw_saturate_begin(const char *to_name, unsigned int to_port,
+ unsigned int msg_size, double duration,
+ /*out */ double *elapsed_res, double *bw_res)
+{
+
xbt_ex_t e;
gras_socket_t peer_cmd = gras_socket_client(to_name, to_port);
s_gras_msg_t msg_got;
- unsigned int packet_sent=0;
- double start,elapsed=-1; /* timer */
+ unsigned int packet_sent = 0;
+ double start, elapsed = -1; /* timer */
double bw;
- volatile int saturate_further; /* boolean in the main loop */
+ volatile int saturate_further; /* boolean in the main loop */
/* Negociate the saturation with the peer */
- sat_request_t request = xbt_new(s_sat_request_t,1);
+ sat_request_t request = xbt_new(s_sat_request_t, 1);
- DEBUG2("Begin to saturate to %s:%d",to_name,to_port);
- memset(&msg_got,0,sizeof(msg_got));
+ DEBUG2("Begin to saturate to %s:%d", to_name, to_port);
+ memset(&msg_got, 0, sizeof(msg_got));
request->msg_size = msg_size;
request->duration = duration;
- request->host.name = NULL;
- request->host.port = 0;
+ request->peer.name = NULL;
+ request->peer.port = 0;
+
/* Size autodetection on need */
if (!msg_size) {
double bw;
double sec;
- amok_bw_test(peer_cmd,
- 0,512*1024, 512*1024, /* 512k as first guess */
- 1, /* at least one sec */
- &sec, &bw);
- msg_size = request->msg_size = (int)bw;
- DEBUG1("Saturate with packets of %d bytes",request->msg_size);
+ amok_bw_test(peer_cmd, 0, /* check buffsize yourself */
+ 512 * 1024, /* 512k as first guess */
+ 1, /* One packet only */
+ 1, /* at least one sec */
+ &sec, &bw);
+ msg_size = request->msg_size = (int) bw;
+ DEBUG1("Saturate with packets of %d bytes", request->msg_size);
}
-
+
/* Launch the saturation */
- ctx = gras_msg_rpc_async_call(peer_cmd, 60,
- gras_msgtype_by_name("amok_bw_sat begin"),
- &request);
+
+ ctx =
+ gras_msg_rpc_async_call(peer_cmd, 60, "amok_bw_sat begin", &request);
free(request);
- gras_msg_rpc_async_wait(ctx,&request);
- meas=gras_socket_client_ext( to_name, request->host.port,
- 0 /*bufsize: auto*/,
- 1 /*meas: true*/);
+ gras_msg_rpc_async_wait(ctx, &request);
+ meas = gras_socket_client_ext(to_name, request->peer.port,
+ 0 /*bufsize: auto */ ,
+ 1 /*meas: true */ );
+
free(request);
gras_socket_close(peer_cmd);
- INFO2("Saturation(%s->%s) started",gras_os_myname(),to_name);
+ INFO4("Saturation(%s:%d->%s:%d) started", gras_os_myname(),
+ gras_os_myport(), to_name, to_port);
/* Start experiment */
- start=gras_os_time();
+ start = gras_os_time();
do {
/* do send it */
- gras_socket_meas_send(meas,120,msg_size,msg_size);
+ gras_socket_meas_send(meas, 120, msg_size, 1);
packet_sent++;
/* Check whether someone asked us to stop saturation */
saturate_further = 0;
TRY {
- gras_msg_wait_ext(0/*no wait*/,gras_msgtype_by_name("amok_bw_sat stop"),
- NULL /* accept any sender */,
- NULL, NULL, /* No specific filter */
- &msg_got);
- } CATCH(e) {
+ gras_msg_wait_ext(0 /*no wait */ , "amok_bw_sat stop",
+ NULL /* accept any sender */ ,
+ NULL, NULL, /* No specific filter */
+ &msg_got);
+ }
+ CATCH(e) {
if (e.category == timeout_error) {
- saturate_further=1;
- memset(&msg_got,0,sizeof(msg_got)); /* may be overprotectiv here */
+ saturate_further = 1;
+ memset(&msg_got, 0, sizeof(msg_got)); /* may be overprotectiv here */
}
xbt_ex_free(e);
}
/* Check whether the experiment has to be terminated by now */
- elapsed=gras_os_time()-start;
- DEBUG3("elapsed %f duration %f (msg_size=%d)",elapsed, duration,msg_size);
+ elapsed = gras_os_time() - start;
+ DEBUG3("elapsed %f duration %f (msg_size=%d)", elapsed, duration,
+ msg_size);
- } while (saturate_further && (duration==0 || elapsed < duration));
+ } while (saturate_further && (duration == 0 || elapsed < duration));
- bw = ((double)(packet_sent*msg_size)) / elapsed;
+ bw = ((double) (packet_sent * msg_size)) / elapsed;
if (elapsed_res)
*elapsed_res = elapsed;
/* If someone stopped us, inform him about the achieved bandwidth */
if (msg_got.expe) {
- bw_res_t answer = xbt_new(s_bw_res_t,1);
+ bw_res_t answer = xbt_new(s_bw_res_t, 1);
s_gras_msg_cb_ctx_t ctx;
- INFO3("Saturation from %s to %s stopped by %s",
- gras_os_myname(),to_name, gras_socket_peer_name(msg_got.expe));
- answer->timestamp=gras_os_time();
- answer->sec=elapsed;
- answer->bw=bw;
+ INFO6("Saturation from %s:%d to %s:%d stopped by %s:%d",
+ gras_os_myname(), gras_os_myport(), to_name, to_port,
+ gras_socket_peer_name(msg_got.expe),
+ gras_socket_peer_port(msg_got.expe));
+ answer->timestamp = gras_os_time();
+ answer->sec = elapsed;
+ answer->bw = bw;
ctx.expeditor = msg_got.expe;
ctx.ID = msg_got.ID;
ctx.msgtype = msg_got.type;
- gras_msg_rpcreturn(60,&ctx,&answer);
+ gras_msg_rpcreturn(60, &ctx, &answer);
free(answer);
} else {
- INFO4("Saturation from %s to %s elapsed after %f sec (achieving %f kb/s)",
- gras_os_myname(),to_name,elapsed,bw/1024.0);
+ INFO6
+ ("Saturation from %s:%d to %s:%d elapsed after %f sec (achieving %f kb/s)",
+ gras_os_myname(), gras_os_myport(), to_name, to_port, elapsed,
+ bw / 1024.0);
}
-
+
gras_socket_close(meas);
}
/* Sender will saturate link to us */
-static int amok_bw_cb_sat_begin(gras_msg_cb_ctx_t ctx, void *payload){
- sat_request_t request=*(sat_request_t*)payload;
- sat_request_t answer=xbt_new0(s_sat_request_t,1);
+static int amok_bw_cb_sat_begin(gras_msg_cb_ctx_t ctx, void *payload)
+{
+ sat_request_t request = *(sat_request_t *) payload;
+ sat_request_t answer = xbt_new0(s_sat_request_t, 1);
volatile int saturate_further = 1;
xbt_ex_t e;
- gras_socket_t measMaster=NULL,meas=NULL;
- gras_socket_t from=gras_msg_cb_ctx_from(ctx);
+ gras_socket_t measMaster = NULL, meas = NULL;
+ gras_socket_t from = gras_msg_cb_ctx_from(ctx);
- int port=6000;
+ int port = 6000;
while (port <= 10000 && measMaster == NULL) {
TRY {
- measMaster = gras_socket_server_ext(port,
- 0 /*bufsize: auto*/,
- 1 /*meas: true*/);
- } CATCH(e) {
+ measMaster = gras_socket_server_ext(port, 0 /*bufsize: auto */ ,
+ 1 /*meas: true */ );
+ }
+ CATCH(e) {
measMaster = NULL;
if (port < 10000)
- xbt_ex_free(e);
+ xbt_ex_free(e);
else
- RETHROW0("Error encountered while opening a measurement server socket: %s");
+ RETHROW0
+ ("Error encountered while opening a measurement server socket: %s");
}
- if (measMaster == NULL)
- port++; /* prepare for a new loop */
+ if (measMaster == NULL)
+ port++; /* prepare for a new loop */
}
- answer->host.port=port;
+ answer->peer.port = port;
gras_msg_rpcreturn(60, ctx, &answer);
free(answer);
- gras_os_sleep(5); /* Wait for the accept */
+ gras_os_sleep(5); /* Wait for the accept */
TRY {
meas = gras_socket_meas_accept(measMaster);
DEBUG0("saturation handshake answered");
- } CATCH(e) {
+ }
+ CATCH(e) {
gras_socket_close(measMaster);
RETHROW0("Error during saturation handshake: %s");
- }
+ }
while (saturate_further) {
TRY {
- gras_socket_meas_recv(meas,5,request->msg_size,request->msg_size);
- } CATCH(e) {
+ gras_socket_meas_recv(meas, 5, request->msg_size, 1);
+ }
+ CATCH(e) {
saturate_further = 0;
xbt_ex_free(e);
}
}
- INFO3("Saturation comming from %s:%d stopped on %s",
- gras_socket_peer_name(from),gras_socket_peer_port(from),
- gras_os_myname());
+ INFO4("Saturation comming from %s:%d stopped on %s:%d",
+ gras_socket_peer_name(from), gras_socket_peer_port(from),
+ gras_os_myname(), gras_os_myport());
gras_socket_close(meas);
- if (gras_if_RL()) /* On SG, accepted=master */
- gras_socket_close(measMaster);
+ if (gras_if_RL()) /* On SG, accepted=master */
+ gras_socket_close(measMaster);
free(request);
- return 1;
+ return 0;
}
/**
* @brief Ask 'from_name:from_port' to stop any saturation experiments
- * @param from_name: Name of the host we are asking to do a experiment with (to_name:to_port)
+ * @param from_name: Name of the peer we are asking to do a experiment with (to_name:to_port)
* @param from_port: port on which the process we are asking for an experiment is listening
* @param time: the duration of the experiment
* @param bw: the achieved bandwidth
*
*/
-void amok_bw_saturate_stop(const char* from_name,unsigned int from_port,
- /*out*/ double *time, double *bw) {
+void amok_bw_saturate_stop(const char *from_name, unsigned int from_port,
+ /*out */ double *time, double *bw)
+{
xbt_ex_t e;
-
- gras_socket_t sock = gras_socket_client(from_name,from_port);
+
+ gras_socket_t sock = gras_socket_client(from_name, from_port);
bw_res_t answer;
- VERB2("Ask %s:%d to stop the saturation",from_name,from_port);
- TRY {
- gras_msg_rpccall(sock,60,gras_msgtype_by_name("amok_bw_sat stop"),NULL,&answer);
+ VERB2("Ask %s:%d to stop the saturation", from_name, from_port);
+ TRY {
+ gras_msg_rpccall(sock, 60, "amok_bw_sat stop", NULL, &answer);
} CATCH(e) {
- RETHROW2("Cannot ask %s:%d to stop saturation: %s",from_name, from_port);
+ RETHROW2("Cannot ask %s:%d to stop saturation: %s", from_name,
+ from_port);
}
gras_socket_close(sock);
- if (time) *time=answer->sec;
- if (bw) *bw =answer->bw;
+ if (time)
+ *time = answer->sec;
+ if (bw)
+ *bw = answer->bw;
free(answer);
}
