#include #include #include #include #include #include using namespace std; struct Request{ string start_line; string method; string protocol; string path; string headers; map headers_map; string message; }; Request parse(const char * const & r); extern const char * const request; int main() { auto req = parse(request); cout<<"\n---start line---" <<"\nmethod: "< getline=[&](){ string line{}; while(cursor3) req.headers+=line; while(cursor>req.method>>req.path>>req.protocol; ss = stringstream(req.headers); string header, value; while(std::getline(ss, header, ':')){ ss>>value; int right = header.size()-1; while(header[right]==' '||header[right]==':') header = header.substr(0, right--); req.headers_map[header]=value; ss.ignore(100,'\n'); } return req; }(); } const char * const request = R"(POST /location.html HTTP/1.1 User-Agent:Mozilla/4.0 Host: example.com Content-Type : application/x-www-form-urlencoded Content-Length: 33 city=North%20Pole&country=Canada )"; /* http request format: -start line : method path protocolVersion -headers -blank line -message body */

HTTP request parser - http server