本文整理汇总了C++中TABLE::begin方法的典型用法代码示例。如果您正苦于以下问题：C++ TABLE::begin方法的具体用法？C++ TABLE::begin怎么用？C++ TABLE::begin使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TABLE的用法示例。
在下文中一共展示了TABLE::begin方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: make_full_report
int hourly_report::make_full_report()
{
try{
unsigned long long sum_in = 0;
unsigned long long sum_out = 0;
TABLE Tresult;
TABLE::iterator i;
ArchFlow archbuf;
time_t tcur = getnexthour(from) - 1;
unsigned long client_id = 0;
vlog(LOG_DEBUG, "Timespan: %lu..%lu\n", tcur, to);
while(tcur < to){
Tresult[tcur].incoming = 0;
Tresult[tcur].outcoming = 0;
tcur = getnexthour(tcur + 1) - 1;
}
vlog(LOG_DEBUG, "get client_id\n");
client_id = get_client_id();
vlog(LOG_DEBUG, "Seeking for id %lu...", client_id);
if(0 == cl_seek(f, client_id)){
fprintf(stderr, "No data for client with id %lu\n", client_id);
exit(-1);
}
vlog(LOG_DEBUG, "done\n");
if(1 != fread(&archbuf, sizeof(ArchFlow), 1, f)){
fprintf(stderr, "%s: make_full_report(): fread(): %s\n", prg, strerror(errno));
exit(-1);
}
while(archbuf.client_id == client_id){
if((time_t)archbuf.timestamp >= from && (time_t)archbuf.timestamp < to){
tcur = getnexthour(archbuf.timestamp) - 1;
Tresult[tcur].incoming += ((archbuf.dir == in) ? archbuf.d_octets : 0);
Tresult[tcur].outcoming += ((archbuf.dir == out) ? archbuf.d_octets : 0);
}
if(1 != fread(&archbuf, sizeof(ArchFlow), 1, f)){
break;
}
}
cout << setw(15) << "Дата" << setw(12) << "Входящий" << setw(12) << "Исходящий" << endl;
char hour[256];
struct tm ttm;
for(i = Tresult.begin(); i != Tresult.end(); i++){
memcpy(&ttm, localtime(&((*i).first)), sizeof(struct tm));
strftime(hour, sizeof(hour), "%Y-%m-%d %H", &ttm);
cout.width(15);
cout << hour;
cout.width(12);
cout << i->second.incoming;
cout.width(12);
cout << i->second.outcoming << endl;
sum_in += i->second.incoming;
sum_out += i->second.outcoming;
}
cout << endl << setw(11) << "Всего:";
cout.width(12);
cout << sum_in;
cout.width(12);
cout << sum_out << endl;
return 0;
}
catch (Exception er){
vlog(LOG_ERR, "Error: %s\n", er.what());
exit(-1);
}
}