teshsuite/simdag/flatifier/flatifier.cpp

   1 /* Copyright (c) 2008-2015. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "src/surf/network_interface.hpp"
   8 #include "simgrid/simdag.h"
   9 #include "xbt/xbt_os_time.h"
  10
  11 XBT_LOG_NEW_DEFAULT_CATEGORY(flatifier, "Logging specific to this platform parsing tool");
  12
  13 static int name_compare_hosts(const void *n1, const void *n2)
  14 {
  15   return strcmp(sg_host_get_name(*(sg_host_t *) n1), sg_host_get_name(*(sg_host_t *) n2));
  16 }
  17
  18 static int name_compare_links(const void *n1, const void *n2)
  19 {
  20   return strcmp(sg_link_name(*(SD_link_t *) n1),sg_link_name(*(SD_link_t *) n2));
  21 }
  22
  23 static int parse_cmdline(int *timings, char **platformFile, int argc, char **argv)
  24 {
  25   int wrong_option = 0;
  26   for (int i = 1; i < argc; i++) {
  27     if (strlen(argv[i]) > 1 && argv[i][0] == '-' && argv[i][1] == '-') {
  28       if (!strcmp(argv[i], "--timings")) {
  29         *timings = 1;
  30       } else {
  31           wrong_option = 1;
  32           break;
  33       }
  34     } else {
  35       *platformFile = argv[i];
  36     }
  37   }
  38   return wrong_option;
  39 }
  40
  41 static void create_environment(xbt_os_timer_t parse_time, const char *platformFile)
  42 {
  43   try {
  44     xbt_os_cputimer_start(parse_time);
  45     SD_create_environment(platformFile);
  46     xbt_os_cputimer_stop(parse_time);
  47   }
  48   catch (std::exception& e) {
  49     xbt_die("Error while loading %s: %s", platformFile, e.what());
  50   }
  51 }
  52
  53 int main(int argc, char **argv)
  54 {
  55   char *platformFile = nullptr;
  56   int timings=0;
  57   int version = 4;
  58   unsigned int i;
  59   xbt_dict_t props = nullptr;
  60   xbt_dict_cursor_t cursor = nullptr;
  61   xbt_lib_cursor_t cursor_src = nullptr;
  62   xbt_lib_cursor_t cursor_dst = nullptr;
  63   char *src,*dst,*key,*data;
  64   sg_netcard_t value1;
  65   sg_netcard_t value2;
  66
  67   xbt_os_timer_t parse_time = xbt_os_timer_new();
  68
  69   SD_init(&argc, argv);
  70
  71   if (parse_cmdline(&timings, &platformFile, argc, argv) || !platformFile) {
  72     xbt_die("Invalid command line arguments: expected [--timings] platformFile");
  73   }
  74
  75   XBT_DEBUG("%d,%s", timings, platformFile);
  76
  77   create_environment(parse_time, platformFile);
  78
  79   if (timings) {
  80     XBT_INFO("Parsing time: %fs (%zu hosts, %d links)", xbt_os_timer_elapsed(parse_time),
  81              sg_host_count(), sg_link_count());
  82   } else {
  83     printf("<?xml version='1.0'?>\n");
  84     printf("<!DOCTYPE platform SYSTEM \"http://simgrid.gforge.inria.fr/simgrid/simgrid.dtd\">\n");
  85     printf("<platform version=\"%d\">\n", version);
  86     printf("<AS id=\"AS0\" routing=\"Full\">\n");
  87
  88     // Hosts
  89     unsigned int totalHosts = sg_host_count();
  90     sg_host_t *hosts = sg_host_list();
  91     qsort((void *) hosts, totalHosts, sizeof(sg_host_t), name_compare_hosts);
  92
  93     for (i = 0; i < totalHosts; i++) {
  94       printf("  <host id=\"%s\" speed=\"%.0f\"", sg_host_get_name(hosts[i]), sg_host_speed(hosts[i]));
  95       props = sg_host_get_properties(hosts[i]);
  96       if (hosts[i]->core_count()>1) {
  97         printf(" core=\"%d\"", hosts[i]->core_count());
  98       }
  99       if (props && !xbt_dict_is_empty(props)) {
 100         printf(">\n");
 101         xbt_dict_foreach(props, cursor, key, data) {
 102           printf("    <prop id=\"%s\" value=\"%s\"/>\n", key, data);
 103         }
 104         printf("  </host>\n");
 105       } else {
 106         printf("/>\n");
 107       }
 108     }
 109
 110     // Routers
 111     xbt_lib_foreach(as_router_lib, cursor_src, key, value1) {
 112       value1 = (sg_netcard_t)xbt_lib_get_or_null(as_router_lib, key, ROUTING_ASR_LEVEL);
 113       if(value1->isRouter()) {
 114         printf("  <router id=\"%s\"/>\n",key);
 115       }
 116     }
 117
 118     // Links
 119     unsigned int totalLinks = sg_link_count();
 120     SD_link_t *links = sg_link_list();
 121
 122     qsort((void *) links, totalLinks, sizeof(SD_link_t), name_compare_links);
 123
 124     for (i = 0; i < totalLinks; i++) {
 125       printf("  <link id=\"");
 126
 127       printf("%s\" bandwidth=\"%.0f\" latency=\"%.9f\"", sg_link_name(links[i]),
 128              sg_link_bandwidth(links[i]), sg_link_latency(links[i]));
 129       if (sg_link_is_shared(links[i])) {
 130         printf("/>\n");
 131       } else {
 132         printf(" sharing_policy=\"FATPIPE\"/>\n");
 133       }
 134     }
 135
 136     sg_host_t host1, host2;
 137     xbt_dict_foreach(host_list, cursor_src, src, host1){ // Routes from host
 138       value1 = sg_host_by_name(src)->pimpl_netcard;
 139       xbt_dict_foreach(host_list, cursor_dst, dst, host2){ //to host
 140         std::vector<Link*> *route = new std::vector<Link*>();
 141         value2 = sg_host_by_name(dst)->pimpl_netcard;
 142         routing_platf->getRouteAndLatency(value1, value2, route,nullptr);
 143         if (! route->empty()){
 144           printf("  <route src=\"%s\" dst=\"%s\">\n  ", src, dst);
 145           for (auto link: *route)
 146             printf("<link_ctn id=\"%s\"/>",link->getName());
 147           printf("\n  </route>\n");
 148         }
 149         delete route;
 150       }
 151       xbt_lib_foreach(as_router_lib, cursor_dst, dst, value2){ //to router
 152         value2 = (sg_netcard_t)xbt_lib_get_or_null(as_router_lib,dst,ROUTING_ASR_LEVEL);
 153         if(value2->isRouter()){
 154           printf("  <route src=\"%s\" dst=\"%s\">\n  ", src, dst);
 155           std::vector<Link*> *route = new std::vector<Link*>();
 156           routing_platf->getRouteAndLatency((sg_netcard_t)value1,(sg_netcard_t)value2,route,nullptr);
 157           for (auto link : *route)
 158             printf("<link_ctn id=\"%s\"/>",link->getName());
 159           delete route;
 160           printf("\n  </route>\n");
 161         }
 162       }
 163     }
 164
 165     xbt_lib_foreach(as_router_lib, cursor_src, src, value1){ // Routes from router
 166       value1 = (sg_netcard_t)xbt_lib_get_or_null(as_router_lib,src,ROUTING_ASR_LEVEL);
 167       if (value1->isRouter()){
 168         xbt_lib_foreach(as_router_lib, cursor_dst, dst, value2){ //to router
 169           value2 = (sg_netcard_t)xbt_lib_get_or_null(as_router_lib,dst,ROUTING_ASR_LEVEL);
 170           if(value2->isRouter()){
 171             printf("  <route src=\"%s\" dst=\"%s\">\n  ", src, dst);
 172             std::vector<Link*> *route = new std::vector<Link*>();
 173             routing_platf->getRouteAndLatency((sg_netcard_t)value1,(sg_netcard_t)value2,route,nullptr);
 174             for(auto link :*route)
 175               printf("<link_ctn id=\"%s\"/>",link->getName());
 176             delete route;
 177             printf("\n  </route>\n");
 178           }
 179         }
 180         xbt_dict_foreach(host_list, cursor_dst, dst, value2){ //to host
 181           printf("  <route src=\"%s\" dst=\"%s\">\n  ",src, dst);
 182           std::vector<Link*> *route = new std::vector<Link*>();
 183           value2 = sg_host_by_name(dst)->pimpl_netcard;
 184           routing_platf->getRouteAndLatency((sg_netcard_t)value1,(sg_netcard_t)value2,route, nullptr);
 185           for(auto link : *route)
 186             printf("<link_ctn id=\"%s\"/>",link->getName());
 187           delete route;
 188           printf("\n  </route>\n");
 189         }
 190       }
 191     }
 192
 193     printf("</AS>\n");
 194     printf("</platform>\n");
 195     free(hosts);
 196     free(links);
 197   }
 198
 199   SD_exit();
 200   xbt_os_timer_free(parse_time);
 201
 202   return 0;
 203 }