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Various optimalisations to improve performance. More coming soon.

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This commit is contained in:
Thulinma 2012-09-16 01:17:08 +02:00
parent 24a3bcd8db
commit 4140b04608
7 changed files with 243 additions and 50 deletions
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25
lib/http_parser.cpp
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@ -133,6 +133,7 @@ bool HTTP::Parser::Read(std::string & strbuf){
return parse(strbuf);
}//HTTPReader::Read
#include <iostream>
/// Attempt to read a whole HTTP response or request from a data buffer.
/// If succesful, fills its own fields with the proper data and removes the response/request
/// from the data buffer.
@ -141,13 +142,17 @@ bool HTTP::Parser::Read(std::string & strbuf){
bool HTTP::Parser::parse(std::string & HTTPbuffer){
size_t f;
std::string tmpA, tmpB, tmpC;
/// \todo Make this not resize HTTPbuffer in parts, but read all at once and then remove the entire request, like doxygen claims it does.
/// \todo Make this not resize HTTPbuffer in parts, but read all at once and then remove the entire request, like doxygen claims it does?
while (!HTTPbuffer.empty()){
if (!seenHeaders){
f = HTTPbuffer.find('\n');
if (f == std::string::npos) return false;
tmpA = HTTPbuffer.substr(0, f);
HTTPbuffer.erase(0, f+1);
if (f+1 == HTTPbuffer.size()){
HTTPbuffer.clear();
}else{
HTTPbuffer.erase(0, f+1);
}
while (tmpA.find('\r') != std::string::npos){tmpA.erase(tmpA.find('\r'));}
if (!seenReq){
seenReq = true;
@ -166,7 +171,11 @@ bool HTTP::Parser::parse(std::string & HTTPbuffer){
}else{
if (tmpA.size() == 0){
seenHeaders = true;
if (GetHeader("Content-Length") != ""){length = atoi(GetHeader("Content-Length").c_str());}
body.clear();
if (GetHeader("Content-Length") != ""){
length = atoi(GetHeader("Content-Length").c_str());
if (body.capacity() < length){body.reserve(length);}
}
}else{
f = tmpA.find(':');
if (f == std::string::npos) continue;
@ -178,10 +187,13 @@ bool HTTP::Parser::parse(std::string & HTTPbuffer){
}
if (seenHeaders){
if (length > 0){
if (HTTPbuffer.length() >= length){
body = HTTPbuffer.substr(0, length);
unsigned int toappend = length - body.length();
if (toappend > 0){
body.append(HTTPbuffer, 0, toappend);
HTTPbuffer.erase(0, toappend);
}
if (length == body.length()){
parseVars(body); //parse POST variables
HTTPbuffer.erase(0, length);
return true;
}else{
return false;
@ -194,7 +206,6 @@ bool HTTP::Parser::parse(std::string & HTTPbuffer){
return false; //empty input
}//HTTPReader::parse
#include <iostream>
/// Parses GET or POST-style variable data.
/// Saves to internal variable structure using HTTP::Parser::SetVar.
void HTTP::Parser::parseVars(std::string data){