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#ifdef DEBUG_CONSOLE
#include "debug/console.h"
#include "lib/string.h"
#include "lib/printf.h"
#include "api/process.h"
#include "proc/process.h"
#include "sys/objdir.h"
struct con_command {
char *name;
void (*func)(int, char*[]);
};
#define MAX_ARGS 8
static int
s_tokenize_buffer(char *buffer, char *argv[])
{
int argc = 1;
//Populate the arguments buffer.
argv[0] = buffer;
for(char *s = buffer; *s; s++) {
if(*s == ' ') {
*s = 0;
argv[argc++] = s + 1;
}
}
return argc;
}
static int
atoi(const char *cstr)
{
int ret = 0;
for(const char *c = cstr; *c; c++) {
if(*c < '0' || *c > '9') return ret;
ret *= 10;
ret += *c - '0';
}
return ret;
}
static void
s_command_dir_printdir(jove_obj_t *dir)
{
jove_objdir_t *objdir = obj_deref((jove_owned_obj_t*)dir);
for(size_t i = 0; i < OBJDIR_ENTRIES; i++) {
jove_owned_obj_t *entry = (jove_owned_obj_t*)&objdir->entries[i];
if(obj_gettype(entry) == JOVE_OBJ_NONE) continue;
kprintf("%3i %16s %p\n", i, obj_gettypename(entry), obj_getvalue(entry));
}
}
static void
s_command_dir(int argc, char *argv[])
{
pid_t target_pid = 1;
if(argc > 1) {
if(argc > 2) {
kprintf("Too many arguments for 'dir': expected 2, got %i\n", argc);
return;
}
target_pid = atoi(argv[1]);
}
pcb_t *pcb = pcb_frompid(target_pid);
if(pcb == NULL) {
kprintf("Invalid PCB: '%i'\n", pcb);
return;
}
kprintf("Root directory for PID %i\n", target_pid);
jove_obj_t *rootdir = pcb_getrootdir(pcb);
while(1) {
s_command_dir_printdir(rootdir);
read_input:
debug_console_readinput(argv[0], 128);
argc = s_tokenize_buffer(argv[0], argv);
if(strncmp(argv[0], "x", 1) == 0) return;
int traversi = atoi(argv[0]);
if(traversi > OBJDIR_ENTRIES) {
kprintf("Bad entry index: %i", traversi);
goto read_input;
}
if(obj_gettype(objdir_getlocal(rootdir, traversi)) != JOVE_OBJ_OBJDIR) {
kprintf("Bad subdirectory index: %i is not an objdir\n", traversi);
goto read_input;
}
rootdir = obj_release(objdir_getlocal(rootdir, traversi));
kprintf("\nSubdirectory %i\n", traversi);
}
}
static struct con_command s_console_commands[] = {
{ "dir", s_command_dir }
};
static size_t s_console_commands_count = sizeof(s_console_commands) / sizeof(struct con_command);
void debug_console_parsecmd(char *buffer)
{
char *argv[MAX_ARGS];
int argc = s_tokenize_buffer(buffer, argv);
for(size_t i = 0; i < s_console_commands_count; i++) {
struct con_command *command = &s_console_commands[i];
if(strncmp(command->name, argv[0], 128) == 0) {
command->func(argc, argv);
return;
}
}
kprintf("Unknown command %s\n", argv[0]);
}
#endif
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