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Cleanup for PR#8

This commit is contained in:
Lephenixnoir 2022-05-01 16:20:47 +01:00
parent cd9d669275
commit 5e004f989e
Signed by: Lephenixnoir
GPG Key ID: 1BBA026E13FC0495
6 changed files with 106 additions and 119 deletions
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9
fxlink/fxlink.h
View File

@ -9,6 +9,15 @@
#include "filter.h"
#include "util.h"
struct fxlink_options
{
bool quiet;
bool force_unmount;
FILE *log_file;
};
extern struct fxlink_options options;
/* Main function for -l */
int main_list(filter_t *filter, delay_t *delay, libusb_context *context);

93
fxlink/interactive.c
View File

@ -12,45 +12,11 @@
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <time.h>
#include <png.h>
/* Video capture trackers, to avoid spamming terminal with messages */
static int last_message_was_video = 0;
static int video_frame_count = 0;
/* external global variables coming from user arguments*/
extern bool silentmode;
extern bool loginfile;
extern char *userlogfilename;
static char *output_file(char const *path,char const *type,char const *suffix)
{
char *filename = NULL;
int counter = 1;
time_t time_raw;
struct tm time_bd;
time(&time_raw);
localtime_r(&time_raw, &time_bd);
while(1) {
asprintf(&filename, "%s/fxlink-%.16s-%04d.%02d.%02d-%02dh%02d-%d.%s",
path, type, time_bd.tm_year + 1900, time_bd.tm_mon,
time_bd.tm_mday, time_bd.tm_hour, time_bd.tm_min, counter, suffix);
if(!filename) continue;
/* Try to find a name for a file that doesn't exist */
if(access(filename, F_OK) == -1) break;
free(filename);
counter++;
}
return filename;
}
static bool message_new(message_t *msg, usb_fxlink_header_t const *h)
{
int version_major = (h->version >> 8) & 0xff;
@ -67,13 +33,15 @@ static bool message_new(message_t *msg, usb_fxlink_header_t const *h)
last_message_was_video = 0;
}
if (!silentmode) fprintf(stderr, "New message (v%d.%d): application '%.16s', type '%.16s', "
"size %d bytes", version_major, version_minor, h->application,
h->type, h->size);
if(!options.quiet) {
fprintf(stderr, "New message (v%d.%d): application '%.16s', type "
"'%.16s', size %d bytes", version_major, version_minor,
h->application, h->type, h->size);
}
if(last_message_was_video)
fprintf(stderr, " [video frame #%d]", ++video_frame_count);
else
else if(!options.quiet)
fprintf(stderr, "\n");
msg->output = malloc(h->size);
@ -95,7 +63,7 @@ static void message_finish(message_t *msg)
if(!strncmp(msg->header.application, "fxlink", 16)) {
if(!strncmp(msg->header.type, "image", 16)) {
usb_fxlink_image_t *img = (void *)msg->output;
char *filename = output_file(path, msg->header.type, "png");
char *filename = gen_file_name(path, msg->header.type, "png");
uint8_t **row_pointers = fxlink_protocol_decode_image(msg);
fxlink_png_save(row_pointers, img->width, img->height, filename);
@ -108,41 +76,16 @@ static void message_finish(message_t *msg)
}
if(!strncmp(msg->header.type, "text", 16)) {
/* I choose the option of maintening a console ouptut even if log in file is set */
/* this can be removed by uncommenting the following line */
//if (!loginfile)
{
if (!silentmode) {
printf("------------------\n");
fwrite(msg->output, 1, msg->header.size, stdout);
if(msg->output[msg->header.size - 1] != '\n') printf("\n");
printf("------------------\n");
}
else {
fwrite(msg->output, 1, msg->header.size, stdout);
if(msg->output[msg->header.size - 1] != '\n') printf("\n");
}
}
if (loginfile) {
FILE *fp = fopen( userlogfilename, "a" );
if(!fp) {
err("could not save to '%s': %m", userlogfilename);
return;
}
if (!silentmode) {
fprintf(fp, "------------------\n");
fwrite(msg->output, 1, msg->header.size, fp);
if(msg->output[msg->header.size - 1] != '\n') fprintf(fp, "\n");
fprintf(fp, "------------------\n");
}
else {
fwrite(msg->output, 1, msg->header.size, fp);
if(msg->output[msg->header.size - 1] != '\n') fprintf(fp, "\n");
}
fclose( fp );
if(!options.quiet)
printf("------------------\n");
fwrite(msg->output, 1, msg->header.size, stdout);
if(!options.quiet) {
if(msg->output[msg->header.size - 1] != '\n') printf("\n");
printf("------------------\n");
}
if(options.log_file)
fwrite(msg->output, 1, msg->header.size, options.log_file);
return;
}
@ -160,7 +103,7 @@ static void message_finish(message_t *msg)
}
/* Default to saving to a blob */
char *filename = output_file(path, "blob", "bin");
char *filename = gen_file_name(path, "blob", "bin");
FILE *fp = fopen(filename, "wb");
if(!fp) {
err("could not save to '%s': %m", filename);
@ -188,7 +131,7 @@ static void message_output(message_t *msg, void *buffer, int size)
if(msg->size_read >= msg->header.size) {
bool is_video = !strncmp(msg->header.application, "fxlink", 16) &&
!strncmp(msg->header.type, "video", 16);
if(!is_video && !silentmode)
if(!is_video && !options.quiet)
fprintf(stderr, "Successfully read %d bytes\n", msg->size_read);
message_finish(msg);
msg->valid = false;

74
fxlink/main.c
View File

@ -11,8 +11,6 @@
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <time.h>
int main_test(libusb_device *device, libusb_context *context);
@ -38,12 +36,11 @@ static const char *help_string =
" connect. If DELAY is unspecified, wait indefinitely.\n"
" -f FILTER Filter which calculators can be detected and used\n"
" --libusb-log=LEVEL libusb log level: NONE, ERROR, WARNING, INFO, DEBUG\n"
" --fxlink-log=file Log text data into a logfile called file. If file is\n"
" missing, a generic filename will be created.\n"
" -q, --quiet Activate quiet mode, i.e. minimum verbosity and very\n"
" limited decorations (no extra messages).\n"
" -u, --unmount Force unmount disk at the end of operations, even if\n"
" not mounted here\n"
" --fxlink-log[=FILE] Log fxlink text messages into FILE (append mode). If\n"
" FILE is missing, a timestamp-name will be generated.\n"
" -q, --quiet Quite mode (minimum verbosity)\n"
" -u, --unmount In -s mode, always unmount the disk, even if it was\n"
" mounted by someone else\n"
"\n"
"Device filters:\n"
" A device filter is a comma-separated list of properties that a device has\n"
@ -63,10 +60,8 @@ static const char *help_string =
" serial_number=ID Matches this specific serial number. Requires write\n"
" access to the device in libusb. [libusb, udisks2]\n";
bool silentmode = false;
bool loginfile = false;
char *userlogfilename = NULL;
bool forceunmount = false;
/* Global options */
struct fxlink_options options;
int main(int argc, char **argv)
{
@ -74,22 +69,25 @@ int main(int argc, char **argv)
delay_t delay = delay_seconds(0);
filter_t *filter = NULL;
options.quiet = false;
options.force_unmount = false;
options.log_file = NULL;
//---
// Command-line argument parsing
//---
enum { LIBUSB_LOG=1 };
enum { LOG_IN_FILE=2 };
enum { LIBUSB_LOG=1, LOG_TO_FILE=2 };
const struct option longs[] = {
{ "help", no_argument, NULL, 'h' },
{ "list", no_argument, NULL, 'l' },
{ "blocks", no_argument, NULL, 'b' },
{ "send", no_argument, NULL, 's' },
{ "interactive", no_argument, NULL, 'i' },
{ "help", no_argument, NULL, 'h' },
{ "list", no_argument, NULL, 'l' },
{ "blocks", no_argument, NULL, 'b' },
{ "send", no_argument, NULL, 's' },
{ "interactive", no_argument, NULL, 'i' },
{ "libusb-log", required_argument, NULL, LIBUSB_LOG },
{ "quiet", no_argument, NULL, 'q' },
{ "fxlink-log", optional_argument, NULL, LOG_IN_FILE },
{ "unmount", no_argument, NULL, 'u' },
{ "quiet", no_argument, NULL, 'q' },
{ "fxlink-log", optional_argument, NULL, LOG_TO_FILE },
{ "unmount", no_argument, NULL, 'u' },
};
while(option >= 0 && option != '?')
@ -119,29 +117,20 @@ int main(int argc, char **argv)
"NONE, ERROR, WARNING, INFO or DEBUG\n", optarg);
break;
case 'q':
printf("Enabling quiet mode (i.e. minimum verbosity)\n");
silentmode = true;
options.quiet = true;
break;
case 'u':
printf("Force unmount the disk at the end.\n");
forceunmount = true;
options.force_unmount = true;
break;
case LOG_IN_FILE:
printf("Enabling Log in File Mode\n");
loginfile = true;
if (optarg) {
asprintf( &userlogfilename, "%s", optarg );
}
case LOG_TO_FILE:
if(optarg)
options.log_file = fopen(optarg, "a");
else {
time_t time_raw;
struct tm time_bd;
time(&time_raw);
localtime_r(&time_raw, &time_bd);
asprintf( &userlogfilename, "./fxlink-logfile-%04d.%02d.%02d-%02dh%02d.log",
time_bd.tm_year + 1900, time_bd.tm_mon + 1, time_bd.tm_mday,
time_bd.tm_hour, time_bd.tm_min );
char *name = gen_file_name(".", "logfile", "log");
printf("--fxlink-log will output in '%s'\n", name);
options.log_file = fopen(name, "a");
free(name);
}
printf("Log File will be : %s \n", userlogfilename );
break;
case 'w':
if(!optarg) {
@ -212,7 +201,10 @@ int main(int argc, char **argv)
rc = main_interactive(filter, &delay, context);
}
if(context) libusb_exit(context);
if(context)
libusb_exit(context);
if(options.log_file)
fclose(options.log_file);
return rc;
}

4
fxlink/ud2.c
View File

@ -16,8 +16,6 @@
// UDisks2 utility functions
//---
extern bool forceunmount;
int ud2_start(UDisksClient **udc_ptr, UDisksManager **udm_ptr)
{
GError *error = NULL;
@ -360,7 +358,7 @@ int main_send(filter_t *filter, delay_t *delay, char **files)
}
/* Unmount the filesystem and eject the device if we mounted it */
if(mounted_here || forceunmount) {
if(mounted_here || options.force_unmount) {
GVariant *args = g_variant_new("a{sv}", NULL);
udisks_filesystem_call_unmount_sync(fs, args, NULL, &error);
if(error) err("while unmounting %s: %s", dev, error->message);

29
fxlink/util.c
View File

@ -1,6 +1,35 @@
#include "util.h"
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <unistd.h>
char *gen_file_name(char const *path, char const *name, char const *suffix)
{
char *filename = NULL;
int counter = 1;
time_t time_raw;
struct tm time_bd;
time(&time_raw);
localtime_r(&time_raw, &time_bd);
while(1) {
asprintf(&filename, "%s/fxlink-%.16s-%04d.%02d.%02d-%02dh%02d-%d.%s",
path, name, time_bd.tm_year + 1900, time_bd.tm_mon + 1,
time_bd.tm_mday, time_bd.tm_hour, time_bd.tm_min, counter, suffix);
if(!filename) continue;
/* Try to find a name for a file that doesn't exist */
if(access(filename, F_OK) == -1) break;
free(filename);
counter++;
}
return filename;
}
delay_t delay_none(void)
{

16
fxlink/util.h
View File

@ -29,6 +29,22 @@
fprintf(stderr, "error: " fmt ": %s\n", ##__VA_ARGS__, \
libusb_strerror(rc))
//---
// File name generation
//---
/* gen_file_name(): Generate a unique timestamp-based file name
This function generates a unique name for a file to be stored in [path],
with the specified [name] component, and the provided [suffix]. The
generated path looks like
<path>/fxlink-<name>-2021.05.09-19h23-1.<suffix>
with the [-1] suffix being chosen as to avoid overriding extisting files.
Returns a newly-allocated string to be freed after use. */
char *gen_file_name(char const *path, char const *name, char const *suffix);
//---
// Delay
//---