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#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <unistd.h>
#include <dirent.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <time.h>
#include "stlfile.h"
#include "util.h"
#define MAXFILESIZE 7000
struct command {
const char *name;
void (*func)(char *);
};
int save_submission(struct parseinfo *info, char *data, int len);
void cat_cmd(char *arg);
void list_cmd(char *arg);
void submit_cmd(char *arg);
void query_cmd(char *arg);
struct command commands[] = {
{ "cat", cat_cmd },
{ "help", list_cmd },
{ "submit", submit_cmd },
{ "query", query_cmd },
};
struct parseinfo cached;
const char *resultdir;
int
save_submission(struct parseinfo *info, char *stldata, int stlsize)
{
DIR *d;
FILE *f;
char *dirpath = NULL, *infopath = NULL, *modelpath = NULL;
dirpath = aprintf("%s/%s-%i", resultdir, info->hash, time(NULL));
if (mkdir(dirpath, S_IRWXU | S_IRWXG | S_IRWXO)) goto fail;
modelpath = aprintf("%s/%s", dirpath, "model");
if (!(f = fopen(modelpath, "w+"))) goto fail;
if (fwrite(stldata, 1, stlsize, f) != stlsize) goto fail;
fclose(f);
f = NULL;
infopath = aprintf("%s/%s", dirpath, "info");
if (!(f = fopen(infopath, "w+"))) goto fail;
if (save_info(info, f) != OK) goto fail;
fclose(f);
f = NULL;
free(dirpath);
free(modelpath);
free(infopath);
return OK;
fail:
if (f) fclose(f);
remove(infopath);
remove(modelpath);
remove(dirpath);
free(dirpath);
free(modelpath);
free(infopath);
return FAIL;
}
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");
}
void
submit_cmd(char *arg)
{
const char *bufp;
char *end, *contents;
size_t len;
bufp = ask("> How large is your file? ");
len = strtoul(bufp, &end, 10);
if (len <= 0 || len >= MAXFILESIZE || *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';
if ((cached.valid = parse_file(&cached, contents, len))) {
if (save_submission(&cached, contents, len) != OK)
fprintf(stderr, "Failed to save your submission!\n");
else
printf("> Your file was saved with ID %s!\n", cached.hash);
}
free(contents);
}
void
query_cmd(char *arg)
{
char *end, *scandir = NULL, *infopath = NULL, *modelpath = NULL;
const char *hash;
struct dirent *de;
int i, which, dirstart;
DIR *d = NULL;
FILE *f = NULL;
size_t size;
if (cached.valid)
hash = cached.hash;
else
hash = mhash(ask("> What is the model name? "), -1);
if (!(d = opendir(resultdir))) return;
dirstart = telldir(d);
for (i = 0; (de = readdir(d));) {
if (!strpfcmp(hash, de->d_name) && *de->d_name != '.') {
printf("%i : %s\n", i, de->d_name);
i++;
}
}
if (i == 0) {
fprintf(stderr, "Sorry, couldnt find a matching scan result!\n");
goto cleanup;
} else {
which = strtoul(ask("> Which of these results? "), &end, 10);
if (which >= i || which < 0 || *end) {
fprintf(stderr, "Invalid index!\n");
goto cleanup;
}
}
seekdir(d, dirstart);
for (i = 0; (de = readdir(d));) {
if (!strpfcmp(hash, de->d_name) && *de->d_name != '.') {
if (i == which) {
scandir = aprintf("%s/%s", resultdir, de->d_name);
break;
}
i++;
}
}
if (!scandir) {
fprintf(stderr, "Unexpected error!\n");
goto cleanup;
}
infopath = aprintf("%s/%s", scandir, "info");
if (!(f = fopen(infopath, "r"))) goto cleanup;
free_info(&cached);
if (load_info(&cached, f) != OK) goto cleanup;
fclose(f);
f = NULL;
print_info(&cached);
if (strchr(ask("> Download the model? "), 'y')) {
modelpath = aprintf("%s/%s", scandir, "model");
if (!(f = fopen(modelpath, "r"))) goto cleanup;
fseek(f, 0, SEEK_END);
size = ftell(f);
fseek(f, 0, SEEK_SET);
if (size > MAXFILESIZE) goto cleanup;
printf("> Here you go.. (%liB)\n", size);
while ((i = getc(f)) != EOF)
putc(i, stdout);
fclose(f);
f = NULL;
}
cleanup:
if (f) fclose(f);
closedir(d);
free(scandir);
free(infopath);
free(modelpath);
}
void
cleanexit()
{
free_info(&cached);
}
int
main()
{
char linebuf[256], *cp, *arg;
int exit, i;
if (!(resultdir = getenv("RESULTDIR")))
resultdir = "scans";
setvbuf(stdin, NULL, _IONBF, 0);
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
atexit(cleanexit);
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(&cached);
}
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