bool test_remove() {
Table * t = makeTable();
hset(t, "Key", "A");
char *returned = hget(t, "Key");
ASSERT(returned != 0, "Table returned null after setting");
hdel(t, "Key");
returned = hget(t, "Key");
//missing key returns empty string?
ASSERT(returned[0] == 0, "Table returned non-null");
return true;
}
/** Do an HTTP GET of the directory on the server that has the
* available traceroute sets. The directory listing is parsed
* for links, and these are appended to the trsets vector.
*/
bool ServerComm::getTrSets(QStringList& trsets, bool popupOnError) {
static bool in_progress = false;
if ( in_progress )
return false;
//in theory, a race condition is here.
in_progress = true;
trsets.clear();
QBuffer buf;
buf.open(QBuffer::WriteOnly);
QUrl url("http://trgen.ixmaps.ca/trsets/");
HttpGet hget(url, &buf);
qDebug() << "HttpGet error " << hget.error();
QHttp::Error err = hget.error();
if ( err != QHttp::NoError ) {
msgConnFailure(err, popupOnError);
in_progress = false;
return false;
}
// scan the Apache directory listing. This makes it easy to change deployment
// of batch trace files.
// To see what this is parsing, fetch the link in a browser and view source.
char prefix_str[] = "<a href=\"";
qDebug() << "prefix_str len is " << sizeof(prefix_str);
QByteArray ba = buf.buffer();
char *s = ba.data();
qDebug() << "from server got: " << s;
char *e = s + ba.count() - (sizeof(prefix_str)+2); // guard against read past buffer end
while ( s < e ) {
// look for <a href="something.trset"
if ( strncmp(s, prefix_str, sizeof(prefix_str)-1) == 0 ) {
// found a likely URL
char *token = s+sizeof(prefix_str)-1;
char *p;
for ( p = token; *p != '"'; p++ ) {
if ( p >= e )
goto end_buffer;
}
*p = '\0'; // stomp the closing quote -> string terminator
if ( token[0] == '.' && token[1] == '/' )
token += 2; // ignore superfluous ./ in ./something.trset
// Apache directory listing contains a few unwanted URLs beginning with ? or /
// restrict filenames to those ending with ".trset"
if ( token[0] != '?' && token[0] != '/' && strcmp(p-6, ".trset") == 0 ) {
QString qstr(token);
trsets << qstr;
qDebug() << "getTrSets got " << qstr.toAscii().data();
}
s = p+1;
} else
s++;
}
end_buffer:
in_progress = false;
return true;
}
int main() {
int (**table)[2] = hnew();
hset(table, 10, 20);
hset(table, 20, 30);
hset(table, 30, 40);
int (**a)[2] = hget(table, 10);
int (**b)[2] = hget(table, 20);
int (**c)[2] = hget(table, 30);
printf("%d:%d\n", (**a)[0], (**a)[1]);
printf("%d:%d\n", (**b)[0], (**b)[1]);
printf("%d:%d\n", (**c)[0], (**c)[1]);
hdel(table);
}
int main()
{
INT32 ret;
UINT8* buf = malloc(0x40000);
ret = hget("http://gdata.youtube.com/feeds/api/videos", buf, 0x40000);
printf("%d\n", ret);
free(buf);
return 0;
}
bool test_duplicate_insert_overrides() {
Table * t = makeTable();
hset(t, "Key", "A");
hset(t, "Key", "B");
char* returned = hget(t, "Key");
ASSERT(returned != 0, "Table returned null on duplicate insert");
ASSERT(returned[0] != 'A', "Table returned old value on duplicate insert");
ASSERT(returned[0] == 'B', "Table returned wrong value on duplicate insert");
freeTable(t);
return true;
}
leveldb::Status Server::hmget(leveldb::Slice user_key, const std::vector<Slice>& fields,
std::vector<std::string>* value) {
std::string cur;
leveldb::Status s;
for (Slice field: fields) {
s = hget(user_key, field, &cur);
if (!s.ok()) {
return s;
}
value->push_back(cur);
}
return leveldb::Status::OK();
}
/** Fetch a trset batch file from the server.
*/
bool ServerComm::fetchBatch(const QString& filename, QBuffer& buf, bool popupOnError) {
buf.open(QBuffer::WriteOnly);
QString str_url("http://trgen.ixmaps.ca/trsets/");
str_url += filename;
QUrl url(str_url);
HttpGet hget(url, &buf);
qDebug() << "HttpGet error " << hget.error();
QHttp::Error err = hget.error();
if ( err != QHttp::NoError ) {
msgConnFailure(err, popupOnError);
return false;
}
return true;
}
bool CRedisClient::hget( const std::string &key, const std::string &field, string &value )
{
CResult result;
hget( key, field, result );
ReplyType type = result.getType();
if ( type == REDIS_REPLY_ERROR )
{
throw ReplyErr( result.getErrorString() );
}
if ( type == REDIS_REPLY_NIL )
{
return false;
}
if ( type == REDIS_REPLY_STRING )
{
value = result.getString();
return true;
}else
{
throw ProtocolErr( "HSET: data recved is not string" );
}
}
bool redis_hash::hget(const char* key, const char* name, string& result)
{
return hget(key, name, strlen(name), result);
}
static void hset(int (**t)[2], int k, int v) {
for (int (**a)[2] = hget(t, k); !*a && (*a=malloc(sizeof(**t))); (**a)[0]=k,(**a)[1]=v);
}
