CoolPotOS/sysapp/shell.c
2024-04-13 22:22:25 +08:00

244 lines
7.2 KiB
C

#include "../include/shell.h"
#include "../include/queue.h"
#include "../include/graphics.h"
#include "../include/common.h"
#include "../include/task.h"
#include "../include/cmos.h"
#include "../include/fat16.h"
#include "../include/timer.h"
#include "../include/io.h"
extern Queue *key_char_queue;
char getc() {
while (key_char_queue->size == 0x00) {
printf("");
}
return queue_pop(key_char_queue);
}
int gets(char *buf, int buf_size) {
int index = 0;
char c;
while ((c = getc()) != '\n') {
if (c == '\b') {
if (index > 0) {
index--;
vga_writestring("\b \b");
}
} else {
buf[index++] = c;
vga_putchar(c);
}
}
buf[index] = '\0';
vga_putchar(c);
return index;
}
int cmd_parse(char *cmd_str, char **argv, char token) {
int arg_idx = 0;
while (arg_idx < MAX_ARG_NR) {
argv[arg_idx] = NULL;
arg_idx++;
}
char *next = cmd_str;
int argc = 0;
while (*next) {
while (*next == token) *next++;
if (*next == 0) break;
argv[argc] = next;
while (*next && *next != token) *next++;
if (*next) *next++ = 0;
if (argc > MAX_ARG_NR) return -1;
argc++;
}
return argc;
}
void cmd_echo(int argc, char **argv) {
for (int i = 1; i < argc; i++) {
if (i == 1) vga_writestring("");
else vga_writestring(" ");
vga_writestring(argv[i]);
}
vga_putchar('\n');
}
void cmd_proc(int argc, char **argv){
if (argc <= 1) {
printf("\033[Shell-PROC]: If there are too few parameters.\036\n");
return;
}
if(!strcmp("list",argv[1])){
print_proc();
} else if(!strcmp("kill",argv[1])){
if (argc <= 2) {
printf("\033[Shell-PROC-kill]: If there are too few parameters.\036\n");
return;
}
int pid = strtol(argv[2],NULL,10);
task_kill(pid);
} else{
printf("\033[Shell-[PROC]]: Unknown parameter\036\n");
return;
}
}
void cmd_date(){
printf("System Time: %s\n",get_date_time());
printf("Memory Usage: %dKB | All Size: %dMB\n",memory_usage()/1024,(KHEAP_START+KHEAP_INITIAL_SIZE)/1024/1024);
print_cpu_id();
vga_writestring("\n");
}
void cmd_ls() {
struct File *root = (struct File *) kmalloc(sizeof(struct File) * MAX_FILE_NUM);
int files = read_root_dir(root);
int index = 0, size = 0;
for (int i = 0; i < files; ++i) {
struct File file = root[i];
if (!strcmp(file.name, "\0")) continue;
printf("%s %s %d\n", file.name, file.type == 0x20 ? "<FILE>" : " <DIR> ", file.size);
index++;
size += file.size;
}
printf(" All File: %d | All Size: %dByte\n", index, size);
kfree(root);
}
void cmd_cat(int argc, char **argv) {
if (argc <= 2) {
printf("\033[Shell-CAT]: If there are too few parameters, please specify the filename and util.\036\n");
return;
}
struct File *file = open_file(argv[1]);
if (file == NULL) {
printf("\033[Shell-CAT]: Not found [%s]\036 \n", argv[1]);
return;
}
char *buffer[1024] = {0};
for (int i = 2; i < argc; i++) {
if (i == 2) strcat(buffer, "");
else strcat(buffer, " ");
strcat(buffer, argv[i]);
}
save_file(file, buffer);
kfree(file);
}
void cmd_read(int argc, char **argv) {
if (argc == 1) {
printf("\033[Shell-READ]: If there are too few parameters, please specify the filename.\036\n");
return;
}
struct File *file = open_file(argv[1]);
char *buffer = (char *) kmalloc(sizeof(char) * 4096);
if (file == NULL) {
printf("\033[Shell-READ]: Not found [%s]\036 \n", argv[1]);
return;
}
read_file(file, buffer);
printf("%s\n", buffer);
kfree(buffer);
kfree(file);
}
void cmd_mkdir(int argc, char **argv) {
if (argc == 1) {
printf("\033[Shell-MKDIR]: If there are too few parameters, please specify the directory name.\036\n");
return;
}
printf("Create directory: %s\n",argv[1]);
struct File *dir = create_dir(argv[1]);
if (dir == NULL) {
printf("\033[Shell-MKDIR]: Cannot create directory '%s'.\036\n", argv[1]);
return;
}
kfree(dir);
}
void cmd_del(int argc, char **argv) {
if (argc == 1) {
vga_writestring("\033[Shell-DEL]: If there are too few parameters, please specify the folder name.\036\n");
return;
}
struct File *info = open_file(argv[1]);
if (info == NULL) {
printf("\033[Shell-DEL]: Not found [%s]\036 \n", argv[1]);
return;
}
delete_file(info);
kfree(info);
}
void cmd_reset(){
reset_kernel();
}
void setup_shell(){
vga_clear();
printf("%s for x86 [Version %s] \n",OS_NAME, OS_VERSION);
printf("\032Copyright 2024 XIAOYI12 (Build by GCC i686-elf-tools)\036\n");
char com[MAX_COMMAND_LEN];
char *argv[MAX_ARG_NR];
int argc = -1;
while (1) {
printf("\035CPOS/>\036 ");
if (gets(com, MAX_COMMAND_LEN) <= 0) continue;
argc = cmd_parse(com, argv, ' ');
if (argc == -1) {
vga_writestring("[Shell]: Error: out of arguments buffer\n");
continue;
}
if (!strcmp("version", argv[0]))
printf("%s for x86 [%s]\n",OS_NAME, OS_VERSION);
else if (!strcmp("echo", argv[0]))
cmd_echo(argc, argv);
else if (!strcmp("clear", argv[0]))
vga_clear();
else if (!strcmp("proc", argv[0]))
cmd_proc(argc, argv);
else if (!strcmp("sysinfo", argv[0]))
cmd_date();
else if (!strcmp("ls", argv[0]))
cmd_ls();
else if (!strcmp("cat", argv[0]))
cmd_cat(argc, argv);
else if (!strcmp("read", argv[0]))
cmd_read(argc, argv);
else if (!strcmp("mkdir", argv[0]))
cmd_mkdir(argc, argv);
else if (!strcmp("del", argv[0]) || !strcmp("rm", argv[0]))
cmd_del(argc, argv);
else if (!strcmp("reset", argv[0]))
cmd_reset();
else if (!strcmp("help", argv[0]) || !strcmp("?", argv[0]) || !strcmp("h", argv[0])) {
vga_writestring("-=[\037CrashPowerShell Helper\036]=-\n");
vga_writestring("help ? h \032Print shell help info.\036\n");
vga_writestring("version \032Print os version.\036\n");
vga_writestring("echo <msg> \032Print message.\036\n");
vga_writestring("ls \032List all files.\036\n");
vga_writestring("cat <name> <util> \032Edit a file.\036\n");
vga_writestring("read <name> \032Read a file.\036\n");
vga_writestring("mkdir <name> \032Make a directory.\036\n");
vga_writestring("del rm <name> \032Delete a file.\036\n");
vga_writestring("sysinfo \032Print system info.\036\n");
vga_writestring("proc [kill<pid>|list] \032Lists all running processes.\036\n");
vga_writestring("reset \032Reset OS.\036\n");
} else printf("\033[Shell]: Unknown command '%s'.\036\n", argv[0]);
}
}