rshlib.h

#ifndef __RSHLIB_H__
#define __RSHLIB_H__

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>


#define RDSH_DEF_PORT           1234        // Default port
#define RDSH_DEF_SVR_INTFACE    "0.0.0.0"   // Default server binds to all interfaces
#define RDSH_DEF_CLI_CONNECT    "127.0.0.1" // Default client connects to localhost
#define OK 0


#define RDSH_COMM_BUFF_SZ       1024
#define STOP_SERVER_SC          200  // Signal for stopping the server


static const char RDSH_EOF_CHAR = 0x04;    


#define ERR_RDSH_COMMUNICATION  -50     
#define ERR_RDSH_SERVER         -51     
#define ERR_RDSH_CLIENT         -52     
#define ERR_RDSH_CMD_EXEC       -53     
#define ERR_RDSH_CMD_PARSE      -3
#define WARN_RDSH_NOT_IMPL      -99     

#define MAX_ARGS 10


typedef struct {
    char *argv[MAX_ARGS]; 
} command_t;

typedef struct {
    command_t commands[10]; 
    int command_count;      
} command_list_t;

// ✅ Enum for built-in commands
typedef enum {
    BI_NOT_BI = 0,
    BI_CMD_EXIT,
    BI_CMD_STOP_SVR,
    BI_CMD_CD
} Built_In_Cmds;


int start_client(char *server_ip, int port);
int exec_remote_cmd_loop(char *address, int port);
int client_cleanup(int cli_socket, char *cmd_buff, char *rsp_buff, int rc);
int start_server(char *ifaces, int port, int is_threaded);
int boot_server(char *ifaces, int port);
int process_cli_requests(int svr_socket);
int exec_client_requests(int cli_socket);
int rsh_execute_pipeline(int cli_sock, command_list_t *clist);
int send_message_eof(int cli_socket);
int stop_server(int svr_socket);
int build_cmd_list(char *cmd, command_list_t *clist);


Built_In_Cmds rsh_match_command(const char *input);
int exec_builtin_command(Built_In_Cmds cmd_type, char *arg);

#endif  // __RSHLIB_H__