P2PLimeWire.cpp

#include "P2PLimeWire.h"

P2PLimeWire::P2PLimeWire(const char * rootFolderPath, const char * incomingFolderPath) : P2P(rootFolderPath, incomingFolderPath) { }

bool P2PLimeWire::scanListeningPort() { 
   FILE * stream;
   string configFile;
   char line[BUFFER_READ_LINE];
   char port[BUFFER_PORT_LEN];
   char wport[BUFFER_PORT_LEN];
   bool find = false;
   fpos_t pos;

   if (getenv("APPDATA") != NULL) {
      configFile = string(getenv("APPDATA") + string("\\LimeWire\\limewire.props"));
      if (FunctionsFiles::fileExists(configFile.c_str())) {
         stream = fopen(configFile.c_str(), "r+");
    
         if (stream != NULL) {
 
            while ((fgets(line, BUFFER_READ_LINE, stream) != NULL) && (find == false)) { 
               if ((line[0] == 'P') && (line[1] == 'O') && (line[2] == 'R') && (line[3] == 'T') && (line[4] == '=')) {
                  strcpy(port, (const char *) (line + 5));
                  listeningPort = (unsigned int) atol(port);
                  sprintf(wport, "%d\n", (listeningPort - 1));
                  fseek(stream, 0, SEEK_CUR);    
                  fgetpos(stream, &pos); pos = pos - 6 - strlen(port); fsetpos(stream, &pos);          
                  if (strlen(port) == strlen(wport)) fprintf(stream, "PORT=%d\n", (listeningPort - 1));
                  else fprintf(stream, "PORT=%d \n", (listeningPort - 1));
                  fflush(stream);
                  find = true;
               }
            }             
            fclose(stream);
         }      
      }
   }
   return find;     
}