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#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <unistd.h>
#include <dirent.h>
#include "stlfile.h"
#include "util.h"
struct command {
const char *name;
void (*func)(char *);
};
const char* ask(const char *fmtstr, ...);
void dump(const char *filepath);
void search_cmd(char *arg);
void submit_cmd(char *arg);
void list_cmd(char *arg);
void cat_cmd(char *arg);
struct command commands[] = {
{ "submit", submit_cmd },
{ "cat", cat_cmd },
{ "help", list_cmd },
{ "search", search_cmd }
};
struct parseinfo lastrun;
const char *resultdir;
const char*
ask(const char *fmtstr, ...)
{
static char linebuf[256];
va_list ap;
int fail;
va_start(ap, fmtstr);
vprintf(fmtstr, ap);
va_end(ap);
fail = !fgets(linebuf, sizeof(linebuf), stdin);
if (!fail) linebuf[strlen(linebuf) - 1] = '\0';
return fail ? "" : linebuf;
}
void
dump(const char *filename)
{
char buf[256];
FILE *f;
int nb;
if (!(f = fopen(filename, "r"))) return;
while ((nb = fread(buf, 1, sizeof(buf), f)))
printf("%.*s\n", nb, buf);
fclose(f);
}
void
search_cmd(char *arg)
{
char *end, *resultfile = NULL;
const char *hash;
struct dirent *de;
int i, which;
DIR *d = NULL;
if (lastrun.valid)
hash = lastrun.hash;
else
hash = mhash(ask("What is the model name?\n"), -1);
d = opendir("scans");
if (!d) return;
i = 0;
while ((de = readdir(d))) {
if (de->d_type != DT_DIR && !strncmp(hash, de->d_name, strlen(hash))) {
printf("%i : %s\n", i, de->d_name);
i++;
}
}
if (i == 0) {
fprintf(stderr, "Sorry, couldnt find any matching scan result!\n");
goto cleanup;
} else {
which = strtoul(ask("Which of these results?\n"), &end, 10);
if (which >= i || which < 0 || *end) {
fprintf(stderr, "Invalid index!\n");
goto cleanup;
}
}
while ((de = readdir(d))) {
if (de->d_type != DT_DIR && !strncmp(hash, de->d_name, strlen(hash))) {
if (i == which) {
resultfile = aprintf("scans/%s/info", strdup(de->d_name));
break;
}
i++;
}
}
if (resultfile)
dump(resultfile);
cleanup:
free(resultfile);
closedir(d);
}
void
submit_cmd(char *arg)
{
const char *bufp;
char *end, *contents;
size_t len;
bufp = ask("How large is your file?\n");
len = strtoul(bufp, &end, 10);
if (len <= 0 || len >= 10000 || *end) {
fprintf(stderr, "Invalid file length!\n");
return;
}
printf("Ok! Im listening..\n");
contents = checkp(malloc(len + 1));
fread(contents, 1, len, stdin);
contents[len] = '\0';
lastrun.valid = parse_file(&lastrun, contents, len);
if (lastrun.valid) {
print_info(&lastrun);
save_info(&lastrun, resultdir);
printf("Your file was saved with ID %s!\n", lastrun.hash);
printf("You may retrieve your results via the 'search' function\n");
}
free(contents);
}
void
cat_cmd(char *arg)
{
if (arg && !strncmp(arg, "flag", 4))
dump("msgs/cat_flag");
else
printf("meow\n");
}
void
list_cmd(char *arg)
{
int i;
printf("Available commands:\n");
for (i = 0; i < ARRSIZE(commands); i++)
printf("%s%s", i ? " " : "", commands[i].name);
printf("\n");
}
int
main()
{
char linebuf[256], *cp, *arg;
int exit, i;
if (!(resultdir = getenv("RESULTDIR")))
resultdir = "/data";
dump("msgs/welcome");
exit = 0;
while (!exit) {
memset(linebuf, '\0', sizeof(linebuf));
printf("$ ");
exit = !fgets(linebuf, sizeof(linebuf), stdin);
if (exit || !*linebuf) break;
if (*linebuf == '\n') continue;
linebuf[strlen(linebuf) - 1] = '\0';
cp = strchr(linebuf, ' ');
arg = cp ? cp + 1 : NULL;
if (cp) *cp = 0;
for (i = 0; i < ARRSIZE(commands); i++) {
if (!strcmp(commands[i].name, linebuf)) {
commands[i].func(arg);
break;
}
}
if (i == ARRSIZE(commands) && strlen(linebuf) != 0)
fprintf(stderr, "No such command!\n");
}
printf("see you later!\n");
free_info(&lastrun);
}
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