1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
* Copyright (c) 1994 - 2002 Marconi Communications, Inc. as an unpublished
* work.
*
* All rights reserved.
*
* File: test.cc -
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <string>
#include <fstream>
#include <stdio.h>
#include <map>
struct host_info_t {
int numCpus_;
int powerIndex_;
host_info_t(int numcpus, int pindex) :
numCpus_(numcpus), powerIndex_(pindex) {}
};
typedef std::map<const unsigned int, host_info_t> host_info_db_t;
typedef host_info_db_t::iterator host_info_db_iter_t;
host_info_db_t db_;
#include <iostream>
#include <sstream>
int
main(int argc, char *argv[])
{
#if 0
std::ifstream instr("/us/norman/hosts-info");
if (!instr) {
cout << "not instr" << endl;
return -1;
}
std::string machine;
int numcpus, pindex;
for (int lineno = 1; ; lineno++) {
instr >> machine >> numcpus >> pindex;
if (instr.eof()) {
cout << "EOF" << endl;
break;
}
if (! instr.good()) {
cout << "bad input in line " << lineno << endl;
break;
}
cout << "machine: " << machine << " numcpus: " << numcpus <<
" pindex: " << pindex << endl;
/*
* Convert the machine name into an ip address.
*/
unsigned long addr;
struct hostent *hostent;
if ((int)(addr = inet_addr(machine.c_str())) != -1) {
hostent = gethostbyaddr((char *)&addr, sizeof(addr), AF_INET);
} else {
hostent = gethostbyname(machine.c_str());
}
if (hostent == NULL) {
cout << "Could not get IP address for machine: " << machine <<
". Skipping." << endl;
continue;
}
struct in_addr in;
memcpy(&in.s_addr, hostent->h_addr_list[0], sizeof(in.s_addr));
host_info_db_t::value_type obj(in.s_addr,
host_info_t(numcpus, pindex));
db_.insert(obj);
}
for (host_info_db_iter_t itr = db_.begin(); itr != db_.end(); ++itr) {
printf("address %s --> (numcpus %d, pindex %d)\n",
inet_ntoa(*(const struct in_addr *) &itr->first),
itr->second.numCpus_,
itr->second.powerIndex_);
}
return 0;
#endif
std::ostringstream o;
for (int i = 1; i < argc; i++) {
o << argv[i] << " ";
}
std::cout << o.str() << std::endl;
system(o.str().c_str());
}
|
