interpreter.h

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#ifndef SMPINTERPRETER_H
#define SMPINTERPRETER_H

#include <stdlib.h>
#include <vector>
#include <map>
#include <list>
#include <string>
#include <algorithm>
#include <dlfcn.h>

#include "elements.h"
#include "parser.h"
#include "kernel.h"

//for socket
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<signal.h>
#include<netdb.h>
#include<unistd.h>

using namespace std;

class SMPParser;

namespace SMP{

class SMPInterpreter
{
    friend class SMPParser;
public:

    /*------------------------------------------------------------------------------------------------
     * SMP Kernel
     */
    
    void *kernel_lib;
    SMPKernel *kernel;

    SMPParser *parser;
    /*------------------------------------------------------------------------------------------------
     * other data
     */

    pthread_t kernel_thread;

    vector<string> cmd_history;

    map<string, int> kernel_config;

    /*-------------------------------------------------------------------------------------------------
     * Interpreted data here
     */

    vector<_filter*> filter_list;
    
    vector<_buffer*> buffer_list;
  
    vector<_filter*> filters;

    char repos_path[100];

    /*-------------------------------------------------------------------------------------------------
     * Functions used for user commands
     */
    
    void start_kernel(void);

    void setup(void);
    void reset(void);



    void clear_project(void);
    
    void print_project(void);
    
    void print_help(void);
   

    int get_filter_property(vector<_filter*> &target, int id);
    void get_filter_property(vector<_filter*> &target);
    
    void get_buffer_property();

    int get_buffer_property(int id);

    int set_filter_property(int id, string property_name, string value);
    

    int reset_filter_property(int id);
    
    int reset_filter_property(void);


  
 
    /*------------------------------------------------------------------------------------------------------
     * working as a server
     */

    //void server(void);
    static void *cmd_handler(void *arg);
    
public:
    SMPInterpreter(int *pargc, char ***pargv);
    ~SMPInterpreter();
   
    //void start(void);
   

    void start(void);
  
    bool load_project(char *filename);

    void set_repository(char *path);

    char *get_repository();

    static void *run(void *arg);

    int sw_fd;    

    int execute_cmd(char *cmd);
    
    
    void show_current_filters();
    
    void show_current_buffers();

public:    // Internal members & functions
    string err_string;
    bool _load_filters();
    bool _print_filters();
    bool _add_filter(int fid, bool is_prompt = true);
    bool _add_filter_byname(string fname, bool is_prompt = true);
    bool _add_filter(_filter *filter, bool is_prompt = true);
    bool _add_buffer(int src_fid, int src_pid, int dest_fid, int dest_pid, int type = DATA_BUFFER);
    bool _set_buffer_size(int src_fid, int src_pid, int size, int type);//, int type = DATA_BUFFER);
    bool _del_filter(int fidx);
    bool _del_buffer(int bidx);
    bool _del_buffer(int src_fid, int src_pid, int dest_fid, int dest_pid);
    
    int _get_fidx_by_fuid(uint fuid);
    int _get_bidx_by_buid(uint buid);
    
    void _start();
    void _stop();
    void _pause();
    void _resume();

    bool _isStopped()   { return kernel->stopped; }
    bool _isPaused()    { return kernel->paused; }
};


} //end namespace

#endif

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