Huge performance improvement: passing variables as pointers avoiding copies

This commit is contained in:
Felipe Zimmerle
2015-09-18 20:21:12 -03:00
parent 2451bf05d7
commit 076a02951c
45 changed files with 207 additions and 208 deletions

View File

@@ -92,9 +92,23 @@ class ModSecurityCollectionsVariables :
};
class ModSecurityStringVar {
public:
ModSecurityStringVar(const std::string& key, const std::string& value) :
m_key(key),
m_value(value) { }
std::string m_key;
std::string m_value;
};
class ModSecurityStringVariables :
public std::unordered_multimap<std::string, std::string> {
public:
ModSecurityStringVariables() {
this->reserve(1000);
}
void storeVariable(std::string key, std::string value) {
this->emplace(key, value);
}
@@ -123,34 +137,44 @@ class ModSecurityStringVariables :
this->erase(key);
}
std::list<std::pair<std::string, std::string>>
resolveVariable(const std::string& key) {
std::list<std::pair<std::string, std::string>> l;
std::pair<std::string, std::string> pair;
std::list<ModSecurityStringVar *>
resolveVariable(const std::string& key,
std::list<ModSecurityStringVar *> *l) {
auto range = this->equal_range(key);
for (auto it = range.first; it != range.second; ++it) {
pair = std::make_pair(std::string(key), std::string(it->second));
l.push_back(pair);
l->push_back(new ModSecurityStringVar(key, it->second));
}
if (l.size() == 0 && key.find(":") == std::string::npos) {
if (key.find(":") == std::string::npos && l->size() == 0) {
size_t keySize = key.size() + 1;
for (auto& x : *this) {
if ((x.first.substr(0, key.size() + 1).compare(key + ":") != 0)
&& (x.first != key)) {
if (x.first.size() <= keySize) {
continue;
}
std::list<std::pair<std::string, std::string>> t;
t = this->resolveVariable(x.first);
if (t.empty() == false) {
l.insert(l.end(), t.begin(), t.end());
if (x.first.at(keySize - 1) != ':') {
continue;
}
if (x.first.compare(0, keySize, key + ":") != 0) {
continue;
}
//auto range = this->equal_range(x.first);
//for (auto it = range.first; it != range.second; ++it) {
l->push_back(new ModSecurityStringVar(x.first, x.second));
//}
}
}
return l;
return *l;
}
std::list<ModSecurityStringVar *>
resolveVariable(const std::string& key) {
std::list<ModSecurityStringVar *> l;
return resolveVariable(key, &l);
}
};
@@ -225,8 +249,12 @@ class Assay {
const char *getResponseBody();
int getResponseBodyLenth();
std::list<std::pair<std::string, std::string>>
std::list<ModSecurityStringVar *> *
resolve_variable(const std::string& var);
void resolve_variable(const std::string& var,
std::list<ModSecurityStringVar *> *);
std::string* resolve_variable_first(const std::string& key);
std::string* resolve_variable_first(const std::string& collectionName,
const std::string& var);