+++ /dev/null
-/* $Id$ */
-
-/* amok_bandwidth - Bandwidth tests facilities */
-
-/* Copyright (c) 2003, 2004 Martin Quinson. 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 <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "gras/messages.h"
-#include "amok/bandwidth.h"
-
-/**
- * bw_request_t:
- *
- * Request for a BW experiment.
- * If host==NULL, it should be between the sender and the receiver.
- * If not, it should be between between the receiver and @host (3-tiers).
- */
-typedef struct {
- xbt_host_t host; /* host+raw socket to use */
- unsigned int buf_size;
- unsigned int exp_size;
- unsigned int msg_size;
-} bw_request_t;
-
-/**
- * bw_res_t:
- *
- * Result of a BW experiment (payload when answering).
- * if err.msg != NULL, it wasn't sucessful. Check err.msg and err.code to see why.
- * else
- */
-typedef struct {
- amok_remoterr_t err;
- unsigned int timestamp;
- double seconds;
- double bw;
-} bw_res_t;
-
-
-/**
- * sat_request_t:
- *
- * Description of a saturation experiment (payload asking some host to collaborate for that)
- */
-typedef struct {
- xbt_host_t host; /* host+raw socket to use */
- unsigned int msg_size;
- unsigned int timeout;
-} sat_request_t;
-
-/* Prototypes of local callbacks */
-int amok_bw_cb_bw_handshake(gras_socket_t *expeditor,
- void *payload);
-int amok_bw_cb_bw_request(gras_socket_t *expeditor,
- void *payload);
-
-int amok_bw_cb_sat_start(gras_socket_t *expeditor,
- void *payload);
-int amok_bw_cb_sat_begin(gras_socket_t *expeditor,
- void *payload);
-
-/**** code ****/
-void amok_bw_init(void) {
- xbt_error_t errcode;
- gras_datadesc_type_t *bw_request_desc, *bw_res_desc, *sat_request_desc;
-
- amok_base_init();
-
- /* Build the datatype descriptions */
- bw_request_desc = gras_datadesc_struct("bw_request_t");
- gras_datadesc_struct_append(bw_request_desc,"host",gras_datadesc_by_name("xbt_host_t*"));
- gras_datadesc_struct_append(bw_request_desc,"buf_size",gras_datadesc_by_name("unsigned int"));
- gras_datadesc_struct_append(bw_request_desc,"exp_size",gras_datadesc_by_name("unsigned int"));
- gras_datadesc_struct_append(bw_request_desc,"msg_size",gras_datadesc_by_name("unsigned int"));
- gras_datadesc_struct_close(bw_request_desc);
- bw_request_desc = gras_datadesc_ref("bw_request_t*",bw_request_desc);
-
- bw_res_desc = gras_datadesc_struct("bw_res_t");
- gras_datadesc_struct_append(bw_res_desc,"err",gras_datadesc_by_name("amok_remoterr_t"));
- gras_datadesc_struct_append(bw_res_desc,"timestamp",gras_datadesc_by_name("unsigned int"));
- gras_datadesc_struct_append(bw_res_desc,"seconds",gras_datadesc_by_name("double"));
- gras_datadesc_struct_append(bw_res_desc,"bw",gras_datadesc_by_name("double"));
- gras_datadesc_struct_close(bw_res_desc);
- bw_res_desc = gras_datadesc_ref("bw_res_t*",bw_res_desc);
-
- sat_request_desc = gras_datadesc_struct("sat_request_desc");
- gras_datadesc_struct_append(sat_request_desc,"host",gras_datadesc_by_name("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,"timeout",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);
-
- /* Register the bandwidth messages */
- gras_msgtype_declare("BW request", bw_request_desc);
- gras_msgtype_declare("BW result", bw_res_desc);
- gras_msgtype_declare("BW handshake", bw_request_desc);
- gras_msgtype_declare("BW handshake ACK", bw_request_desc);
-
- /* Register the saturation messages */
- gras_msgtype_declare("SAT start", sat_request_desc);
- gras_msgtype_declare("SAT started", gras_datadesc_by_name("amok_remoterr_t"));
- gras_msgtype_declare("SAT begin", sat_request_desc);
- gras_msgtype_declare("SAT begun", gras_datadesc_by_name("amok_remoterr_t"));
- gras_msgtype_declare("SAT end", NULL);
- gras_msgtype_declare("SAT ended", gras_datadesc_by_name("amok_remoterr_t"));
- gras_msgtype_declare("SAT stop", NULL);
- gras_msgtype_declare("SAT stopped", gras_datadesc_by_name("amok_remoterr_t"));
-
- /* Register the callbacks */
- gras_cb_register(gras_msgtype_by_name("BW request"),
- &amok_bw_cb_bw_request);
- gras_cb_register(gras_msgtype_by_name("BW handshake"),
- &amok_bw_cb_bw_handshake);
-
- gras_cb_register(gras_msgtype_by_name("SAT start"),
- &amok_bw_cb_sat_start);
- gras_cb_register(gras_msgtype_by_name("SAT begin"),
- &amok_bw_cb_sat_begin);
-}
-
-/* ***************************************************************************
- * Bandwidth tests
- * ***************************************************************************/
-/* Function to do a test from local to given host */
-/**
- * amok_bw_test:
- *
- * Conduct a test between the local host and @peer, and
- * report the result in last args
- */
-xbt_error_t amok_bw_test(gras_socket_t *peer,
- unsigned int bufSize,unsigned int expSize,unsigned int msgSize,
- /*OUT*/ double *sec, double *bw) {
- gras_socket_t *rawIn,*rawOut;
- int port;
- xbt_error_t errcode;
- bw_request_t *request;
- gras_msg_t *answer;
-
- for (port = 5000, errcode = system_error;
- errcode == system_error;
- errcode = gras_socket_server_ext(++port,bufSize,1,&rawIn));
- if (errcode != no_error) {
- ERROR1("Error %s encountered while opening a raw socket\n",
- xbt_error_name(errcode));
- return errcode;
- }
-
- request=xbt_new(bw_request_t);
- request->bufSize=bufSize;
- request->expSize=expSize;
- request->msgSize=msgSize;
- request->host.name = NULL;
- request->host.port = gras_socket_peer_port(rawIn);
-
- if ((errcode=gras_send(peer,gras_msgtype_by_name("BW handshake"),request))) {
- ERROR1("Error %s encountered while sending the request.", xbt_error_name(errcode));
- gras_sock_close(sock);
- return errcode;
- }
- if ((errcode=gras_msg_wait(60,GRASMSG_BW_HANDSHAKED,&answer))) {
- fprintf(stderr,"grasbw_test(): Error %s encountered while waiting for the answer.\n",
- xbt_error_name(errcode));
- gras_sock_close(sock);
- return errcode;
- }
- if((errcode=gras_rawsock_client_open(to_name,gras_msg_ctn(answer,0,0,BwExp_t).port,
- bufSize,&rawOut))) {
- fprintf(stderr,"grasbw_test(): Error %s encountered while opening the raw socket to %s:%d\n",
- xbt_error_name(errcode),to_name,gras_msg_ctn(answer,0,0,BwExp_t).port);
- return errcode;
- }
-
- *sec=gras_time();
- if ((errcode=gras_rawsock_send(rawOut,expSize,msgSize)) ||
- (errcode=gras_rawsock_recv(rawIn,1,1,120))) {
- fprintf(stderr,"grasbw_test(): Error %s encountered while sending the experiment.\n",
- xbt_error_name(errcode));
- gras_rawsock_close(rawOut);
- gras_rawsock_close(rawIn);
- return errcode;
- }
- *sec = gras_time() - *sec;
- *bw = ((double)expSize /* 8.0*/) / *sec / (1024.0 *1024.0);
-
- gras_rawsock_close(rawIn);
- gras_rawsock_close(rawOut);
- gras_sock_close(sock);
- gras_msg_free(answer);
- return no_error;
-}
-
-#if 0
-
-
-/* Callback to the GRASMSG_BW_HANDSHAKE message:
- opens a server raw socket,
- indicate its port in an answer GRASMSG_BW_HANDSHAKED message,
- receive the corresponding data on the raw socket,
- close the raw socket
-*/
-int grasbw_cbBWHandshake(gras_msg_t *msg) {
- gras_rawsock_t *rawIn,*rawOut;
- BwExp_t *ans;
- xbt_error_t errcode;
-
- if ((errcode=gras_rawsock_server_open(6666,8000,gras_msg_ctn(msg,0,0,BwExp_t).bufSize,&rawIn))) {
- fprintf(stderr,"grasbw_cbHandshake(): Error %s encountered while opening a raw socket\n",
- xbt_error_name(errcode));
- return 1;
- }
- if ((errcode=gras_rawsock_client_open(gras_sock_get_peer_name(msg->sock),gras_msg_ctn(msg,0,0,BwExp_t).port,
- gras_msg_ctn(msg,0,0,BwExp_t).bufSize,&rawOut))) {
- fprintf(stderr,"grasbw_cbHandshake(): Error %s encountered while opening a raw socket\n",
- xbt_error_name(errcode));
- return 1;
- }
- if (!(ans=(BwExp_t *)malloc(sizeof(BwExp_t)))) {
- fprintf(stderr,"grasbw_cbHandshake(): Malloc error.\n");
- gras_rawsock_close(rawIn);
- gras_rawsock_close(rawOut);
- return 1;
- }
- ans->bufSize=gras_msg_ctn(msg,0,0,BwExp_t).bufSize;
- ans->expSize=gras_msg_ctn(msg,0,0,BwExp_t).expSize;
- ans->msgSize=gras_msg_ctn(msg,0,0,BwExp_t).msgSize;
- ans->port=gras_rawsock_get_peer_port(rawIn);
- /* fprintf(stderr,"grasbw_cbHandshake. bufSize=%d expSize=%d msgSize=%d port=%d\n",
- ans->bufSize,ans->expSize,ans->msgSize,ans->port);*/
-
- if ((errcode=gras_msg_new_and_send(msg->sock,GRASMSG_BW_HANDSHAKED, 1,
- ans, 1))) {
- fprintf(stderr,"grasbw_cbHandshake(): Error %s encountered while sending the answer.\n",
- xbt_error_name(errcode));
- gras_rawsock_close(rawIn);
- gras_rawsock_close(rawOut);
- return 1;
- }
-
- if ((errcode=gras_rawsock_recv(rawIn,
- gras_msg_ctn(msg,0,0,BwExp_t).expSize,
- gras_msg_ctn(msg,0,0,BwExp_t).msgSize,
- 120)) ||
- (errcode=gras_rawsock_send(rawOut,1,1))) {
- fprintf(stderr,"grasbw_cbHandshake(): Error %s encountered while receiving the experiment.\n",
- xbt_error_name(errcode));
- gras_rawsock_close(rawIn);
- gras_rawsock_close(rawOut);
- return 1;
- }
- gras_msg_free(msg);
- gras_rawsock_close(rawIn);
- gras_rawsock_close(rawOut);
- return 1;
-}
-
-/* function to request a BW test between to external hosts */
-xbt_error_t grasbw_request(const char* from_name,unsigned int from_port,
- const char* to_name,unsigned int to_port,
- unsigned int bufSize,unsigned int expSize,unsigned int msgSize,
- /*OUT*/ double *sec, double*bw) {
-
- gras_sock_t *sock;
- gras_msg_t *answer;
- xbt_error_t errcode;
- /* The request */
- BwExp_t *request;
- msgHost_t *target;
-
- if((errcode=gras_sock_client_open(from_name,from_port,&sock))) {
- fprintf(stderr,"grasbw_request(): Error %s encountered while contacting the actuator\n",
- xbt_error_name(errcode));
- return errcode;
- }
- if (!(request=(BwExp_t *)malloc(sizeof(BwExp_t))) ||
- !(target=(msgHost_t*)malloc(sizeof(msgHost_t)))) {
- fprintf(stderr,"grasbw_test(): Malloc error\n");
- gras_sock_close(sock);
- return malloc_error;
- }
-
- request->bufSize=bufSize;
- request->expSize=expSize;
- request->msgSize=msgSize;
- strcpy(target->host,to_name);
- target->port=to_port;
-
- if ((errcode=gras_msg_new_and_send(sock,GRASMSG_BW_REQUEST, 2,
- target,1,
- request,1))) {
- fprintf(stderr,"grasbw_request(): Error %s encountered while sending the request.\n",
- xbt_error_name(errcode));
- gras_sock_close(sock);
- return errcode;
- }
- if ((errcode=gras_msg_wait(240,GRASMSG_BW_RESULT,&answer))) {
- fprintf(stderr,"grasbw_request(): Error %s encountered while waiting for the answer.\n",
- xbt_error_name(errcode));
- gras_sock_close(sock);
- return errcode;
- }
-
- if((errcode=gras_msg_ctn(answer,0,0,msgError_t).errcode)) {
- fprintf(stderr,"grasbw_request(): Peer reported error %s (%s).\n",
- xbt_error_name(errcode),gras_msg_ctn(answer,0,0,msgError_t).errmsg);
- gras_msg_free(answer);
- gras_sock_close(sock);
- return errcode;
- }
-
- /* fprintf(stderr,"sec=%p",gras_msg_ctn(answer,1,0,msgResult_t)); */
- *sec=gras_msg_ctn(answer,1,0,msgResult_t).value;
- *bw=gras_msg_ctn(answer,1,1,msgResult_t).value;
-
- gras_msg_free(answer);
- gras_sock_close(sock);
- return no_error;
-}
-
-int grasbw_cbBWRequest(gras_msg_t *msg) {
- /* specification of the test to run */
- char* to_name=gras_msg_ctn(msg,0,0,msgHost_t).host;
- unsigned int to_port=gras_msg_ctn(msg,0,0,msgHost_t).port;
-
- unsigned int bufSize=gras_msg_ctn(msg,1,0,BwExp_t).bufSize;
- unsigned int expSize=gras_msg_ctn(msg,1,0,BwExp_t).expSize;
- unsigned int msgSize=gras_msg_ctn(msg,1,0,BwExp_t).msgSize;
- /* our answer */
- msgError_t *error;
- msgResult_t *res;
-
- if (!(error=(msgError_t *)malloc(sizeof(msgError_t))) ||
- !(res=(msgResult_t *)malloc(sizeof(msgResult_t) * 2))) {
- fprintf(stderr,"%s:%d:grasbw_cbRequest: Malloc error\n",__FILE__,__LINE__);
- return malloc_error;
- }
-
- if ((error->errcode=grasbw_test(to_name,to_port,bufSize,expSize,msgSize,
- &(res[0].value),&(res[1].value) ))) {
- fprintf(stderr,
- "%s:%d:grasbw_cbRequest: Error %s encountered while doing the test\n",
- __FILE__,__LINE__,xbt_error_name(error->errcode));
- strncpy(error->errmsg,"Error within grasbw_test",ERRMSG_LEN);
- gras_msg_new_and_send(msg->sock,GRASMSG_BW_RESULT,2,
- error,1,
- res,2);
- return 1;
- }
- res[0].timestamp = (unsigned int) gras_time();
- res[1].timestamp = (unsigned int) gras_time();
- gras_msg_new_and_send(msg->sock,GRASMSG_BW_RESULT,2,
- error,1,
- res,2);
- gras_msg_free(msg);
- return 1;
-}
-
-/* ***************************************************************************
- * Link saturation
- * ***************************************************************************/
-
-xbt_error_t grasbw_saturate_start(const char* from_name,unsigned int from_port,
- const char* to_name,unsigned int to_port,
- unsigned int msgSize, unsigned int timeout) {
- gras_sock_t *sock;
- xbt_error_t errcode;
- /* The request */
- SatExp_t *request;
- msgHost_t *target;
- /* answer */
- gras_msg_t *answer;
-
- if((errcode=gras_sock_client_open(from_name,from_port,&sock))) {
- fprintf(stderr,"%s:%d:saturate_start(): Error %s encountered while contacting peer\n",
- __FILE__,__LINE__,xbt_error_name(errcode));
- return errcode;
- }
- if (!(request=(SatExp_t *)malloc(sizeof(SatExp_t))) ||
- !(target=(msgHost_t*)malloc(sizeof(msgHost_t)))) {
- fprintf(stderr,"%s:%d:saturate_start(): Malloc error\n",__FILE__,__LINE__);
- gras_sock_close(sock);
- return malloc_error;
- }
-
- request->timeout=timeout;
- request->msgSize=msgSize;
-
- strcpy(target->host,to_name);
- target->port=to_port;
-
- if ((errcode=gras_msg_new_and_send(sock,GRASMSG_SAT_START, 2,
- target,1,
- request,1))) {
- fprintf(stderr,"%s:%d:saturate_start(): Error %s encountered while sending the request.\n",
- __FILE__,__LINE__,xbt_error_name(errcode));
- gras_sock_close(sock);
- return errcode;
- }
- if ((errcode=gras_msg_wait(120,GRASMSG_SAT_STARTED,&answer))) {
- fprintf(stderr,"%s:%d:saturate_start(): Error %s encountered while waiting for the ACK.\n",
- __FILE__,__LINE__,xbt_error_name(errcode));
- gras_sock_close(sock);
- return errcode;
- }
-
- if((errcode=gras_msg_ctn(answer,0,0,msgError_t).errcode)) {
- fprintf(stderr,"%s:%d:saturate_start(): Peer reported error %s (%s).\n",
- __FILE__,__LINE__,xbt_error_name(errcode),gras_msg_ctn(answer,0,0,msgError_t).errmsg);
- gras_msg_free(answer);
- gras_sock_close(sock);
- return errcode;
- }
-
- gras_msg_free(answer);
- gras_sock_close(sock);
- return no_error;
-}
-
-int grasbw_cbSatStart(gras_msg_t *msg) {
- gras_rawsock_t *raw;
- gras_sock_t *sock;
- xbt_error_t errcode;
- double start; /* time to timeout */
-
- /* specification of the test to run */
- char* to_name=gras_msg_ctn(msg,0,0,msgHost_t).host;
- unsigned int to_port=gras_msg_ctn(msg,0,0,msgHost_t).port;
-
- unsigned int msgSize=gras_msg_ctn(msg,1,0,SatExp_t).msgSize;
- unsigned int timeout=gras_msg_ctn(msg,1,0,SatExp_t).timeout;
- unsigned int raw_port;
-
- /* The request */
- SatExp_t *request;
- /* answer */
- gras_msg_t *answer;
-
- /*
- fprintf(stderr,"grasbw_cbSatStart(sd=%p)\n",msg->sock);
- fprintf(stderr,"(server=%d,raw=%d,fromPID=%d,toPID=%d,toHost=%p,toPort=%d,toChan=%d)\n",
- msg->sock->server_sock,msg->sock->raw_sock,msg->sock->from_PID,
- msg->sock->to_PID,msg->sock->to_host,msg->sock->to_port,msg->sock->to_chan);
- */
-
- /* Negociate the saturation with the peer */
- if((errcode=gras_sock_client_open(to_name,to_port,&sock))) {
- fprintf(stderr,"cbSatStart(): Error %s encountered while contacting peer\n",
- xbt_error_name(errcode));
- grasRepportError(msg->sock,GRASMSG_SAT_STARTED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- errcode,"Cannot contact peer.\n");
- return 1;
- }
- if (!(request=(SatExp_t *)malloc(sizeof(SatExp_t)))) {
- fprintf(stderr,"cbSatStart(): Malloc error\n");
- gras_sock_close(sock);
- grasRepportError(msg->sock,GRASMSG_SAT_STARTED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- malloc_error,"Cannot build request.\n");
- return 1;
- }
-
- request->timeout=gras_msg_ctn(msg,1,0,SatExp_t).timeout;
- request->msgSize=gras_msg_ctn(msg,1,0,SatExp_t).msgSize;
-
- if ((errcode=gras_msg_new_and_send(sock,GRASMSG_SAT_BEGIN, 1,
- request,1))) {
- fprintf(stderr,"cbSatStart(): Error %s encountered while sending the request.\n",
- xbt_error_name(errcode));
- grasRepportError(msg->sock,GRASMSG_SAT_STARTED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- errcode,"Cannot send request.\n");
- gras_sock_close(sock);
- return 1;
- }
-
- if ((errcode=gras_msg_wait(120,GRASMSG_SAT_BEGUN,&answer))) {
- fprintf(stderr,"cbSatStart(): Error %s encountered while waiting for the ACK.\n",
- xbt_error_name(errcode));
- gras_sock_close(sock);
-
- grasRepportError(msg->sock,GRASMSG_SAT_STARTED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- errcode,
- "Cannot receive the ACK.\n");
- return 1;
- }
-
- if((errcode=gras_msg_ctn(answer,0,0,msgError_t).errcode)) {
- fprintf(stderr,"cbSatStart(): Peer reported error %s (%s).\n",
- xbt_error_name(errcode),gras_msg_ctn(answer,0,0,msgError_t).errmsg);
-
- grasRepportError(msg->sock,GRASMSG_SAT_STARTED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- errcode,
- "Peer repported '%s'.\n",gras_msg_ctn(answer,0,0,msgError_t).errmsg);
- gras_msg_free(answer);
- gras_sock_close(sock);
- return 1;
- }
-
- raw_port=gras_msg_ctn(answer,1,0,SatExp_t).port;
-
- if ((errcode=gras_rawsock_client_open(to_name,raw_port,msgSize,&raw))) {
- fprintf(stderr,"cbSatStart(): Error %s while opening raw socket to %s:%d.\n",
- xbt_error_name(errcode),to_name,gras_msg_ctn(answer,1,0,SatExp_t).port);
-
- grasRepportError(msg->sock,GRASMSG_SAT_STARTED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- errcode,"Cannot open raw socket.\n");
- gras_sock_close(sock);
- return 1;
- }
-
- /* send a train of data before repporting that XP is started */
- if ((errcode=gras_rawsock_send(raw,msgSize,msgSize))) {
- fprintf(stderr,"cbSatStart: Failure %s during raw send\n",xbt_error_name(errcode));
- grasRepportError(msg->sock,GRASMSG_SAT_STARTED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- errcode,"Cannot raw send.\n");
- gras_sock_close(sock);
- gras_rawsock_close(raw);
- return 1;
- }
-
- grasRepportError(msg->sock,GRASMSG_SAT_STARTED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- no_error,"Saturation started");
- gras_msg_free(answer);
- gras_msg_free(msg);
-
- /* Do the saturation until we get a SAT_STOP message or until we timeout the whole XP*/
- start=gras_time();
- while (gras_msg_wait(0,GRASMSG_SAT_STOP,&msg)==timeout_error &&
- gras_time()-start < timeout) {
- if ((errcode=gras_rawsock_send(raw,msgSize,msgSize))) {
- fprintf(stderr,"cbSatStart: Failure %s during raw send\n",xbt_error_name(errcode));
- /* our error message do not interess anyone. SAT_STOP will do nothing. */
- gras_sock_close(sock);
- gras_rawsock_close(raw);
- return 1;
- }
- }
- if (gras_time()-start > timeout) {
- fprintf(stderr,"The saturation experiment did timeout. Stop it NOW\n");
- gras_sock_close(sock);
- gras_rawsock_close(raw);
- return 1;
- }
-
- /* Handle the SAT_STOP which broke the previous while */
-
- if ((errcode=gras_msg_new_and_send(sock, GRASMSG_SAT_END,0))) {
- fprintf(stderr,"cbSatStart(): Cannot tell peer to stop saturation\n");
-
- grasRepportError(msg->sock,GRASMSG_SAT_STOPPED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- errcode,"Sending SAT_END to peer failed.\n");
- gras_sock_close(sock);
- gras_rawsock_close(raw);
- return 1;
- }
-
- if ((errcode=gras_msg_wait(60,GRASMSG_SAT_ENDED,&answer))) {
- fprintf(stderr,"cbSatStart(): Peer didn't ACK the end\n");
-
- grasRepportError(msg->sock,GRASMSG_SAT_STOPPED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- errcode,"Receiving SAT_ENDED from peer failed.\n");
- gras_sock_close(sock);
- gras_rawsock_close(raw);
- return 1;
- }
- grasRepportError(msg->sock,GRASMSG_SAT_STOPPED,1,
- "cbSatStart: Severe error: Cannot send error status to requester!!\n",
- no_error,"");
-
- gras_sock_close(sock);
- gras_rawsock_close(raw);
- gras_msg_free(answer);
- gras_msg_free(msg);
-
- return 1;
-}
-
-int grasbw_cbSatBegin(gras_msg_t *msg) {
- gras_rawsock_t *raw;
- xbt_error_t errcode;
- double start; /* timer */
- /* request */
- unsigned int msgSize=gras_msg_ctn(msg,0,0,SatExp_t).msgSize;
- unsigned int timeout=gras_msg_ctn(msg,0,0,SatExp_t).timeout;
- /* answer */
- SatExp_t *request;
- msgError_t *error;
-
- if (!(request=(SatExp_t*)malloc(sizeof(SatExp_t))) ||
- !(error=(msgError_t *)malloc(sizeof(msgError_t)))) {
- fprintf(stderr,"cbSatBegin(): Malloc error\n");
- grasRepportError(msg->sock,GRASMSG_SAT_BEGUN,2,
- "cbSatBegin: Severe error: Cannot send error status to requester!!\n",
- malloc_error,"Malloc error");
- return 1;
- }
-
- if ((errcode=gras_rawsock_server_open(6666,8000,msgSize,&raw))) {
- fprintf(stderr,"cbSatBegin(): Error %s encountered while opening a raw socket\n",
- xbt_error_name(errcode));
- grasRepportError(msg->sock,GRASMSG_SAT_BEGUN,2,
- "cbSatBegin: Severe error: Cannot send error status to requester!!\n",
- errcode,"Cannot open raw socket");
- return 1;
- }
- request->port=gras_rawsock_get_peer_port(raw);
- request->msgSize=msgSize;
- error->errcode=no_error;
- error->errmsg[0]='\0';
- if ((errcode=gras_msg_new_and_send(msg->sock,GRASMSG_SAT_BEGUN,2,
- error,1,
- request,1))) {
- fprintf(stderr,"cbSatBegin(): Error %s encountered while send ACK to peer\n",
- xbt_error_name(errcode));
- return 1;
- }
- gras_msg_free(msg);
-
- start=gras_time();
- while (gras_msg_wait(0,GRASMSG_SAT_END,&msg)==timeout_error &&
- gras_time() - start < timeout) {
- errcode=gras_rawsock_recv(raw,msgSize,msgSize,1);
- if (errcode != timeout_error && errcode != no_error) {
- fprintf(stderr,"cbSatBegin: Failure %s during raw receive\n",xbt_error_name(errcode));
- /* our error message do not interess anyone. SAT_END will do nothing. */
- /* (if timeout'ed, it may be because the sender stopped emission. so survive it) */
- return 1;
- }
- }
- if (gras_time()-start > timeout) {
- fprintf(stderr,"The saturation experiment did timeout. Stop it NOW.\n");
- gras_rawsock_close(raw);
- return 1;
- }
-
- grasRepportError(msg->sock,GRASMSG_SAT_ENDED,1,
- "cbSatBegin: Cannot send SAT_ENDED.\n",
- no_error,"");
- gras_rawsock_close(raw);
- gras_msg_free(msg);
- return 1;
-}
-
-xbt_error_t grasbw_saturate_stop(const char* from_name,unsigned int from_port,
- const char* to_name,unsigned int to_port) {
- xbt_error_t errcode;
- gras_sock_t *sock;
- gras_msg_t *answer;
-
- if((errcode=gras_sock_client_open(from_name,from_port,&sock))) {
- fprintf(stderr,"saturate_stop(): Error %s encountered while contacting peer\n",
- xbt_error_name(errcode));
- return errcode;
- }
-
- if ((errcode=gras_msg_new_and_send(sock,GRASMSG_SAT_STOP,0))) {
- fprintf(stderr,"saturate_stop(): Error %s encountered while sending request\n",
- xbt_error_name(errcode));
- gras_sock_close(sock);
- return errcode;
- }
-
- if ((errcode=gras_msg_wait(120,GRASMSG_SAT_STOPPED,&answer))) {
- fprintf(stderr,"saturate_stop(): Error %s encountered while receiving ACK\n",
- xbt_error_name(errcode));
- gras_sock_close(sock);
- return errcode;
- }
-
- if((errcode=gras_msg_ctn(answer,0,0,msgError_t).errcode)) {
- fprintf(stderr,"saturate_stop(): Peer reported error %s (%s).\n",
- xbt_error_name(errcode),gras_msg_ctn(answer,0,0,msgError_t).errmsg);
- gras_msg_free(answer);
- gras_sock_close(sock);
- return errcode;
- }
-
- gras_msg_free(answer);
- gras_sock_close(sock);
-
- return no_error;
-}
-#endif
