//Add file names to the corresponding arrays.
void addToArray(char* file_name,int i )
{
if(is_jpg(file_name))
{
jpg_array[jpg_count] = file_name;
jpg_count++;
}
if(is_png(file_name))
{
png_array[png_count] = file_name;
png_count++;
}
if(is_gif(file_name))
{
gif_array[gif_count] = file_name;
gif_count++;
}
if(is_tiff(file_name))
{
tiff_array[tiff_count] = file_name;
tiff_count++;
}
}
static void
save_file_create_ready_cb (GObject *source,
GAsyncResult *res,
gpointer user_data)
{
ScreenshotApplication *self = user_data;
GFileOutputStream *os;
GError *error = NULL;
gchar *basename = g_file_get_basename (G_FILE (source));
gchar *extension = g_strrstr (basename, ".");
gchar *format = NULL;
GSList *formats = NULL;
if (extension == NULL)
extension = "png";
else
extension++;
format = extension;
formats = gdk_pixbuf_get_formats();
g_slist_foreach (formats,
find_out_writable_format_by_extension,
(gpointer) &format);
g_slist_free (formats);
g_free (basename);
if (self->priv->should_overwrite)
os = g_file_replace_finish (G_FILE (source), res, &error);
else
os = g_file_create_finish (G_FILE (source), res, &error);
if (error != NULL)
{
save_pixbuf_handle_error (self, error);
g_error_free (error);
return;
}
if (is_png (format))
{
if (has_profile (self))
save_with_description_and_profile (self, os, format);
else
save_with_description (self, os, format);
}
else
{
save_with_no_profile_or_description (self, os, format);
}
g_object_unref (os);
g_free (format);
}
inline boost::optional<std::string> type_from_filename(std::string const& filename)
{
typedef boost::optional<std::string> result_type;
if (is_png(filename)) return result_type("png");
if (is_jpeg(filename)) return result_type("jpeg");
if (is_tiff(filename)) return result_type("tiff");
if (is_pdf(filename)) return result_type("pdf");
if (is_svg(filename)) return result_type("svg");
if (is_ps(filename)) return result_type("ps");
return result_type();
}
int main(int argc, char* argv[])
{
char* recvBuff = malloc(512);
if(argc<3)
{
perror("Incorrect number of arguments\n");
exit(0);
}
struct stat s;
int err = stat("images",&s);
if(-1==err)
{
if(ENOENT == errno)
{
printf("Directory for images does not exist, creating it\n");
mkdir("images",0777);
printf("Directory created\n");
}
}
else
{
if(S_ISDIR(s.st_mode))
{
printf("Directory for images exists\n");
}
}
struct stat st = {0};
if(stat("images/catalog.csv",&st)!=-1)
{
perror("Catalog exists. Deleting it..\n");
remove("images/catalog.csv");
}
htmlpath = malloc(200);
strcpy(htmlpath,"images/");
strcat(htmlpath,"download.html");
int sockfd;
struct sockaddr_in serv_addr;
if((sockfd = socket(AF_INET,SOCK_STREAM,0)) < 0)
{
perror("Could not create socket connection\n");
exit(0);
}
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(atoi(argv[2]));
serv_addr.sin_addr.s_addr = inet_addr(argv[1]);
if(connect(sockfd, (struct sockaddr*)&serv_addr,sizeof(serv_addr))<0)
{
perror("Connection failed\n");
exit(0);
}
char* logpath = malloc(200);
strcpy(logpath,"images/catalog.csv");
write_to_image(logpath,sockfd);
FILE* fp;
fp = fopen(logpath,"r");
char ch;
int lines=0;
while(!feof(fp))
{
ch = fgetc(fp);
if(ch == '\n') //Get the number of lines in log file.
{
lines++;
}
}
fclose(fp);
char* line = NULL;
size_t len = 0;
fp = fopen(logpath,"r");
getline(&line,&len,fp); //Read log file line by line.
printf("Dumping catalog.csv content\n");
int i = 1;
int j;
int k;
int m;
int n;
for(k = 0;k<lines-1;k++)
{
strcpy(file_array[file_count],"images/");
printf("[%d] ",i);
getline(&line,&len,fp);
for(j=0;line[j]!=',';j++)
{
file_array[file_count][j+7] = line[j];
printf("%c",line[j]);
}
char* name = strtok(line,",");
char* size = strtok(NULL,",");
char* sum = strtok(NULL,",");
strcpy(checksums[file_count],sum);
//printf("%s\n",checksums[file_count]);
file_count++;
i++;
printf(" \n");
}
fclose(fp);
for(i=0;i<file_count;i++)
{
addToArray(file_array[i],i);
}
if(argv[3]!=NULL) //Arg[3] present. Passive mode.
{
printf("Passive mode\n");
write(sockfd,argv[3],11);
write(sockfd,"ready",5);
if(is_jpg(argv[3]))
{ //Write jpg images
for(i=0;i<jpg_count;i++)
write_to_image(jpg_array[i],sockfd);
}
if(is_png(argv[3]))
{
for(i=0;i<png_count;i++) //Write png images.
write_to_image(png_array[i],sockfd);
}
if(is_gif(argv[3]))
{ //Write gif files.
for(i=0;i<gif_count;i++)
write_to_image(gif_array[i],sockfd);
}
if(is_tiff(argv[3]))
{ //Write tiff files.
for(i=0;i<tiff_count;i++)
write_to_image(tiff_array[i],sockfd);
}
}
else
{ //argv[3] not present. interactive mode.
inter = 1;
printf("Interactive mode\n");
write(sockfd,"interactive",11);
char input[1];
while(1)
{
printf("Enter the file number to download\n");
scanf("%s",input);
if(atoi(input)==0)
{
write(sockfd,input,2);
printf("Entered 0. Exiting...\n");
close(sockfd);
break;
}
printf("File number entered:%d\n",atoi(input));
write(sockfd,input,2);
write_to_image(file_array[atoi(input)-1],sockfd);
}
}
printf("Done\n");
//Create html file.
FILE* html;
html = fopen("./images/download.html","w+");
fprintf(html,"<html><head>Downloaded Images</head>");
fprintf(html,"<title>Downloaded Images</title>\n");
fprintf(html,"<p>");
/*
For each file in the downloaded(images) folder, look for the
file in the file_array,get the index, see if checksums
are equal. Accordingly write to html.
*/
DIR* dir;
struct dirent* file;
dir = opendir("./images/");
while((file = readdir(dir))!=NULL)
{
int i;
int j;
if(file->d_name[0] == '.') continue;
if(strcmp(file->d_name,"catalog.csv")==0) continue;
char* path = malloc(200);
strcpy(path,"images/");
strcat(path,file->d_name);
unsigned char sum[MD5_DIGEST_LENGTH];
char convertedsum[(MD5_DIGEST_LENGTH*2)+1];
md5sum(path,sum);
/**stackoverflow.com/questions/7627723/how-to-create-a-md5-hash-of-a-string-in-c**/
for(j=0;j<MD5_DIGEST_LENGTH;j++)
{
sprintf(convertedsum+(j*2),"%02x",sum[j]);
}
convertedsum[2*MD5_DIGEST_LENGTH]='\0';
char* other_name = malloc(200);
for(i=0;i<file_count;i++)
{
if(strstr(path,file_array[i]))
{
if(strncmp(convertedsum,checksums[i],MD5_DIGEST_LENGTH)==0)
{
fprintf(html,"Checksum match!\n");
fprintf(html, " ");
fprintf(html, "<a href = \"");
fprintf(html,"%s\">",file->d_name);
fprintf(html,"%s",file->d_name);
fprintf(html,"</a></p>\n");
}
else
{
fprintf(html,"Checksum mismatch");
fprintf(html," ");
fprintf(html,"%s",file->d_name);
fprintf(html,"</p>");
}
}
}
}
fprintf(html,"</body></html>");
fclose(html);
return 0;
}
int main(void) {
struct dirent **namelist;
int i, n, N;
unsigned char *image = NULL;
float *image_bw_f;
unsigned char *image_bw_u8;
float *image_out_old;
float *image_out_new;
char fullpath[255];
char outpath_old[255];
char outpath_new[255];
int imW, imH;
float sigma;
float err;
sigma = 1.0;
N = scandir("demo_simplexy_images", &namelist, is_input_image, alphasort);
if (N < 0) {
perror("scandir");
return 1;
}
for (n = 0; n < N; n++) {
strcpy(fullpath, "demo_simplexy_images/");
strcat(fullpath, namelist[n]->d_name);
strcpy(outpath_old, "demo_simplexy_images/out_");
strcat(outpath_old, namelist[n]->d_name);
outpath_old[strlen(outpath_old)-4] = '\0';
strcat(outpath_old, "_old");
strcat(outpath_old, ".png");
strcpy(outpath_new, "demo_simplexy_images/out_");
strcat(outpath_new, namelist[n]->d_name);
outpath_new[strlen(outpath_new)-4] = '\0';
strcat(outpath_new, "_new");
strcat(outpath_new, ".png");
fprintf(stderr,"demo_dsmooth: loading %s ", fullpath);
if (is_png(namelist[n])) {
fprintf(stderr, "as a PNG\n");
image = cairoutils_read_png(fullpath, &imW, &imH);
}
if (is_jpeg(namelist[n])) {
fprintf(stderr, "as a JPEG\n");
image = cairoutils_read_jpeg(fullpath, &imW, &imH);
}
image_bw_u8 = to_bw_u8(image, imW, imH);
image_bw_f = malloc(sizeof(float) * imW * imH);
for (i = 0; i < imW*imH; i++) {
image_bw_f[i] = (float)image_bw_u8[i];
}
image_out_old = malloc(sizeof(float)*imW*imH);
image_out_new = malloc(sizeof(float)*imW*imH);
fprintf(stderr,"demo_dsmooth: running %s through dsmooth\n", fullpath);
dsmooth(image_bw_f, imW, imH, sigma, image_out_old);
fprintf(stderr,"demo_dsmooth: running %s through dsmooth2\n", fullpath);
dsmooth2(image_bw_f, imW, imH, sigma, image_out_new);
err = 0.0;
for (i = 0; i < imW*imH; i++) {
err += fabs(image_out_old[i]-image_out_new[i]);
}
err = err / (imW*imH);
fprintf(stderr, "demo_dsmooth: error between smooths: %f per pixel\n", err);
// fprintf(stderr, "demo_dsmooth: writing old dsmoothed image to %s\n", outpath_old);
// cairoutils_write_png(outpath_old, to_cairo_bw(image_out_old, imW, imH), imW, imH);
// fprintf(stderr, "demo_dsmooth: writing new dsmoothed image to %s\n", outpath_new);
// cairoutils_write_png(outpath_new, to_cairo_bw(image_out_new, imW, imH), imW, imH);
free(namelist[n]);
free(image);
free(image_bw_f);
free(image_bw_u8);
free(image_out_old);
free(image_out_new);
}
free(namelist);
return 0;
}
int is_image(const struct dirent *de) {
return is_jpeg(de) || is_png(de);
}
