static int parsenumber(char *s)
{
if (!isalldigits(s)) {
printf("%s\n", lang_req_obj_number);
return(-1);
}
return(atoi(s));
}
uint64_t metric_value::uint64_t_value(std::string name_associated_with_value_for_error_message)
{
std::string s = value;
trim(s);
if (!(isalldigits(s))) throw std::invalid_argument
(
std::string("metric_value::uint64_t_value() for name = \"")
+ name_associated_with_value_for_error_message
+ std::string("\" - not an unsigned integer \"")
+ s
+ std::string("\".")
);
std::istringstream si(s);
uint64_t n;
si >> n;
return n;
}
int main(int argc, char **argv)
{
int i;
char *host, *p;
int port;
fd_set fdlist;
int maxfd = 0;
extern void connect_to_server(char *host, int port, int serverindex);
if (argc < 2) {
fprintf(stderr, "usage: %s {host port ...} ...\n", argv[0]);
return(1);
}
/* There can't be more than argc servers, so this is enough space: */
if ((serverlist = malloc(argc * sizeof(struct server))) == NULL) {
fprintf(stderr, "out of memory!\n");
exit(1);
}
nservers = 0;
for (i = 1; i < argc; i++) {
if (isalldigits(argv[i])) {
if ((port = atoi(argv[i])) <= 0) {
fprintf(stderr, "%s: port argument must be a positive integer\n", argv[0]);
return(1);
}
connect_to_server(host, port, nservers++); /* doesn't return if error */
} else {
host = argv[i];
}
}
//and the rest of your program goes here, obviously
while (1) {
for (i=0; i < nservers; i++){
if(serverlist[i]->lines_pending){
if ((p = read_line_from_server(serverlist[i]))){
send_another_server(p, serverlist[i]->serfd);
}
}
}
FD_ZERO(&fdlist);
for (i=0; i < nservers; i++){
FD_SET(serverlist[i]->serfd, &fdlist);
if (serverlist[i]->serfd > maxfd){
maxfd = serverlist[i]->serfd;
}
}
FD_SET(0, &fdlist);
if (select(maxfd + 1, &fdlist, NULL, NULL, NULL) < 0) {
perror("select");
exit(1);
}
for (i=0; i < nservers; i++){
if (FD_ISSET(serverlist[i]->serfd, &fdlist)) {
if ((p = read_line_from_server(serverlist[i]))){
send_another_server(p, serverlist[i]->serfd);
}
}
}
}
return(0);
}
