本文整理汇总了C++中bo::toString方法的典型用法代码示例。如果您正苦于以下问题：C++ bo::toString方法的具体用法？C++ bo::toString怎么用？C++ bo::toString使用的例子？那么恭喜您, 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bo的用法示例。
在下文中一共展示了bo::toString方法的2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: main
int main(int argc, char *argv[]) {
try {
cout << "mongoperf" << endl;
if( argc > 1 ) {
cout <<
"\n"
"usage:\n"
"\n"
" mongoperf < myjsonconfigfile\n"
"\n"
" {\n"
" nThreads:<n>, // number of threads (default 1)\n"
" fileSizeMB:<n>, // test file size (default 1MB)\n"
" sleepMicros:<n>, // pause for sleepMicros/nThreads between each operation (default 0)\n"
" mmf:<bool>, // if true do i/o's via memory mapped files (default false)\n"
" r:<bool>, // do reads (default false)\n"
" w:<bool>, // do writes (default false)\n"
" recSizeKB:<n>, // size of each write (default 4KB)\n"
" syncDelay:<n> // secs between fsyncs, like --syncdelay in mongod. (default 0/never)\n"
" }\n"
"\n"
"mongoperf is a performance testing tool. the initial tests are of disk subsystem performance; \n"
" tests of mongos and mongod will be added later.\n"
"most fields are optional.\n"
"non-mmf io is direct io (no caching). use a large file size to test making the heads\n"
" move significantly and to avoid i/o coalescing\n"
"mmf io uses caching (the file system cache).\n"
"\n"
<< endl;
return EXIT_SUCCESS;
}
cout << "use -h for help" << endl;
char input[1024];
memset(input, 0, sizeof(input));
cin.read(input, 1000);
if( *input == 0 ) {
cout << "error no options found on stdin for mongoperf" << endl;
return EXIT_FAILURE;
}
string s = input;
mongoutils::str::stripTrailing(s, " \n\r\0x1a");
try {
options = fromjson(s);
}
catch(...) {
cout << "couldn't parse json options. input was:\n|" << s << "|" << endl;
return EXIT_FAILURE;
}
cout << "parsed options:\n" << options.toString() << endl;
go();
}
catch(DBException& e) {
cout << "caught DBException " << e.toString() << endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}示例2: main
int main(int argc, char *argv[]) {
try {
cout << "mongoperf" << endl;
if( argc > 1 ) {
cout <<
"\n"
"usage:\n"
"\n"
" mongoperf < myjsonconfigfile\n"
"\n"
" {\n"
" nThreads:<n>, // number of threads\n"
" fileSizeMB:<n>, // test file size\n"
" sleepMicros:<n>, // pause for sleepMicros/nThreads between each operation\n"
" mmf:<bool>, // if true do i/o's via memory mapped files\n"
" r:<bool>, // do reads\n"
" w:<bool> // do writes\n"
" }\n"
"\n"
"most fields are optional.\n"
"non-mmf io is direct io (no caching). use a large file size to test making the heads\n"
" move significantly and to avoid i/o coalescing\n"
"mmf io uses caching (the file system cache).\n"
"\n"
<< endl;
return 0;
}
cout << "use -h for help" << endl;
char input[1024];
memset(input, 0, sizeof(input));
cin.read(input, 1000);
if( *input == 0 ) {
cout << "error no options found on stdin for mongoperf" << endl;
return 2;
}
string s = input;
str::stripTrailing(s, "\n\r\0x1a");
try {
options = fromjson(s);
}
catch(...) {
cout << s << endl;
cout << "couldn't parse json options" << endl;
return -1;
}
cout << "options:\n" << options.toString() << endl;
go();
#if 0
cout << "connecting to localhost..." << endl;
DBClientConnection c;
c.connect("localhost");
cout << "connected ok" << endl;
unsigned long long count = c.count("test.foo");
cout << "count of exiting documents in collection test.foo : " << count << endl;
bo o = BSON( "hello" << "world" );
c.insert("test.foo", o);
string e = c.getLastError();
if( !e.empty() ) {
cout << "insert #1 failed: " << e << endl;
}
// make an index with a unique key constraint
c.ensureIndex("test.foo", BSON("hello"<<1), /*unique*/true);
c.insert("test.foo", o); // will cause a dup key error on "hello" field
cout << "we expect a dup key error here:" << endl;
cout << " " << c.getLastErrorDetailed().toString() << endl;
#endif
}
catch(DBException& e) {
cout << "caught DBException " << e.toString() << endl;
return 1;
}
return 0;
}