#ifndef ROS_FRONTEND_H
#define ROS_FRONTEND_H

#include <ros/common.h>

#ifdef ROS_KERNEL

#include <env.h>
#include <vfs.h>
#include <process.h>

// Default APPSERVER_ETH_TYPE if not defined externally
#ifndef APPSERVER_ETH_TYPE
#define APPSERVER_ETH_TYPE 0x8888
#endif

void frontend_proc_init(struct proc* p);
void frontend_proc_free(struct proc* p);

int32_t frontend_syscall(pid_t pid, int32_t syscall_num, 
                         uint32_t arg0, uint32_t arg1, uint32_t arg2, 
                         uint32_t arg3, int32_t* errno);

int frontend_syscall_errno(struct proc* p, int n, int a0, 
                           int a1, int a2, int a3);

void file_init(void);
error_t file_read_page(struct file* f, physaddr_t pa, size_t pgoff);
struct file* file_open(const char* path, int oflag, int mode);
struct file* file_open_from_fd(struct proc* p, int fd);
void file_incref(struct file* f);
void file_decref(struct file* f);

#endif

#define APPSERVER_MAXPATH            1024

#define APPSERVER_SYSCALL_exit          1
#define APPSERVER_SYSCALL_read          3
#define APPSERVER_SYSCALL_write         4
#define APPSERVER_SYSCALL_open          5
#define APPSERVER_SYSCALL_close         6
#define APPSERVER_SYSCALL_link          9
#define APPSERVER_SYSCALL_unlink       10
#define APPSERVER_SYSCALL_chdir        12
#define APPSERVER_SYSCALL_chmod        15
#define APPSERVER_SYSCALL_brk          17
#define APPSERVER_SYSCALL_stat         18
#define APPSERVER_SYSCALL_lseek        19
#define APPSERVER_SYSCALL_fstat        28
#define APPSERVER_SYSCALL_utime        30
#define APPSERVER_SYSCALL_access       33
#define APPSERVER_SYSCALL_dup          41
#define APPSERVER_SYSCALL_umask        60
#define APPSERVER_SYSCALL_fcntl        62
#define APPSERVER_SYSCALL_kdup         87
#define APPSERVER_SYSCALL_lstat        88
#define APPSERVER_SYSCALL_tcgetattr    89
#define APPSERVER_SYSCALL_tcsetattr    90
#define APPSERVER_SYSCALL_closedir     91
#define APPSERVER_SYSCALL_rewinddir    92
#define APPSERVER_SYSCALL_readdir      93
#define APPSERVER_SYSCALL_opendir      94
#define APPSERVER_SYSCALL_dup2         95
#define APPSERVER_SYSCALL_proc_free    96
#define APPSERVER_SYSCALL_proc_init    97
#define APPSERVER_SYSCALL_time         98
#define APPSERVER_SYSCALL_pread       173
#define APPSERVER_SYSCALL_pwrite      174
#define APPSERVER_SYSCALL_getcwd      229

#endif /* !ROS_FRONTEND_H */