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#include <tce/syscall.h>
#include <stdlib.h>
#include <stdio.h>
int threads = 0;
void thread_cascade(void* d) {
int n = (int)d;
threads ++;
if (d == 0) {
//printk("{#} 0 cascade element started => end\n");
printk("*");
} else {
if (n < 0) {
//printk("{#} - cascade element started\n");
printk("-");
n = 0 - n;
} else {
//printk("{#} + cascade element started\n");
printk("+");
}
//printk("{#} FORK + ...\n");
printk(">");
thread_new(thread_cascade, (void*)(n - 1));
//printk("{#} FORK - ...\n");
printk("<");
thread_new(thread_cascade, (void*)(1 - n));
//printk("{#} Thread cascade element finished.\n");
printk(".");
}
threads--;
}
void list_dir(FILE f, int lv) {
char buf[256];
int i = 0, k;
int r;
file_info info;
while ((r = read(f, i, 256, buf)) > 0) {
if (strcmp(buf, ".") == 0 || strcmp(buf, "..") == 0) {
i++;
continue;
}
for (k = 0; k < lv; k++) printk(" ");
printk(buf);
stat_relative(f, buf, &info);
if (info.type & FT_DIR) printk("/");
printk(" \t");
if (info.type & FT_FILE) printk("file ");
if (info.type & FT_DIR) printk("dir ");
if (info.type & FT_SYMLINK) printk("symlink ");
if (info.type & FT_DEV) printk("dev ");
if (info.type & FT_TERMINAL) printk("term ");
if (info.type & FT_DIR) {
printk(" \t");
FILE ff = open_relative(f, buf, 0);
if (ff <= 0) {
printk("error: "); printk_int(ff); printk("\n");
} else {
printk("fd: "); printk_int(ff); printk("\n");
list_dir(ff, lv+1);
close(ff);
}
} else {
printk("\n");
}
i++;
}
}
void fprint(FILE f, char *s) {
write(f, 0, strlen(s), s);
}
int main(char** args) {
char**a;
if (args != 0) {
printk("args");
for (a = args; *a != 0; a++) {
printk(" - ");
printk(*a);
}
printk("\n");
}
printk("(test app) malloc(42) = ");
printk_hex((uint32_t)malloc(42));
printk("\n");
printk(" -> Creating thread cascade (total 2**4 = 16 threads)\n");
thread_new(thread_cascade, (void*)4);
printk(" -> Main thread now sleeping...\n");
while (1) {
thread_sleep(100);
if (threads == 0) break;
}
printk("\n -> Ok, let's try something else.\n");
FILE f = open("/", 0);
if (f <= 0) {
printk(" -> Could not open '/', error #");
printk_int(f);
printk("...\n");
} else {
printk("Now enumerating '/' (fd "); printk_int(f); printk(") :\n");
list_dir(f, 1);
close(f);
}
f = open("/.ui/klog", 0);
if (f <= 0) {
printk(" -> Error #"); printk_int(f); printk(" - too bad. Exiting.\n");
} else {
fprint(f, " -> Now reading && writing from/to virtual terminal '/.ui/klog'\n");
while (1) {
fprint(f, " > ");
char buffer[256];
int l = read(f, 0, 255, buffer);
buffer[l] = 0;
if (buffer[l-1] == '\n') {
buffer[l-1] = 0; l--;
if (strcmp(buffer, "about") == 0) {
fprint(f, "Trivial/Computing Environment v0.1.0 - useless shell, first ediiton.\n");
} else if (strcmp(buffer, "help") == 0) {
fprint(f, "Available commands: about, help, exit.\n");
} else if (strcmp(buffer, "exit") == 0) {
fprint(f, "Exiting the shell. I think the system is pretty likely to panic.\n");
break;
} else if (strcmp(buffer, "gotosleep") == 0) {
while (1) thread_sleep(1000);
} else {
fprint(f, "Unknown command. ");
fprint(f, buffer);
}
} else {
fprint(f, " - - - oops\n");
}
}
}
return 0;
}
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