#include <sys/socket.h>
#include <sys/stat.h>
#include <fcntl.h>
+#include <time.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <libusb-1.0/libusb.h>
#define PID_FILE "/var/run/hmland.pid"
+#define DEFAULT_REBOOT_SECONDS 86400
+
extern char *optarg;
static int impersonate_hmlanif = 0;
static int debug = 0;
static int verbose = 0;
+static int reboot_seconds = 0;
+
+struct queued_rx {
+ char *rx;
+ int len;
+ struct queued_rx *next;
+};
+
+static struct queued_rx *qrx = NULL;
+static int wait_for_h = 0;
#define FLAG_LENGTH_BYTE (1<<0)
#define FLAG_FORMAT_HEX (1<<1)
#define CHECK_SPACE(x) if ((*outpos + x) > outend) { fprintf(stderr, "Not enough space!\n"); return 0; }
#define CHECK_AVAIL(x) if ((*inpos + x) > inend) { fprintf(stderr, "Not enough input available!\n"); return 0; }
+static void print_timestamp(FILE *f)
+{
+ struct timeval tv;
+ struct tm *tmp;
+ char ts[32];
+
+ gettimeofday(&tv, NULL);
+ tmp = localtime(&tv.tv_sec);
+ memset(ts, 0, sizeof(ts));
+ strftime(ts, sizeof(ts)-1, "%Y-%m-%d %H:%M:%S", tmp);
+ fprintf(f, "%s.%06ld: ", ts, tv.tv_usec);
+}
+
static int format_part_out(uint8_t **inpos, int inlen, uint8_t **outpos, int outlen, int len, int flags)
{
const uint8_t nibble[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
hexdump(buf, buf_len, "Unknown> ");
break;
}
- if (debug)
- fprintf(stderr, "LAN < %s\n", out);
+
+ /* Queue packet until first respone to 'K' is received */
+ if (wait_for_h && buf[0] != 'H') {
+ struct queued_rx **rxp = &qrx;
+
+ while (*rxp)
+ rxp = &((*rxp)->next);
+
+ *rxp = malloc(sizeof(struct queued_rx));
+ if (!*rxp) {
+ perror("malloc");
+ return 0;
+ }
+
+ memset(*rxp, 0, sizeof(struct queued_rx));
+ (*rxp)->len = outpos-out;
+ (*rxp)->rx = malloc((*rxp)->len);
+ if (!(*rxp)->rx) {
+ perror("malloc");
+ return 0;
+ }
+ memset((*rxp)->rx, 0, (*rxp)->len);
+ memcpy((*rxp)->rx, out, (*rxp)->len);
+
+ return 1;
+ }
+
+ if (verbose) {
+ int i;
+
+ print_timestamp(stdout);
+ printf("LAN < ");
+ for (i = 0; i < outpos-out-2; i++)
+ printf("%c", out[i]);
+ printf("\n");
+ }
w = write(fd, out, outpos-out);
if (w <= 0) {
return 0;
}
+ /* Send all queued packets */
+ if (wait_for_h) {
+ struct queued_rx *curr_rx = qrx;
+ struct queued_rx *last_rx;
+
+ while (curr_rx) {
+ if (verbose) {
+ int i;
+
+ print_timestamp(stdout);
+ printf("LAN < ");
+ for (i = 0; i < curr_rx->len-2; i++)
+ printf("%c", curr_rx->rx[i]);
+ printf("\n");
+ }
+
+ w = write(fd, curr_rx->rx, curr_rx->len);
+ if (w <= 0) {
+ perror("write");
+ }
+ last_rx = curr_rx;
+ curr_rx = curr_rx->next;
+
+ free(last_rx->rx);
+ free(last_rx);
+ }
+
+ qrx = NULL;
+
+ wait_for_h = 0;
+ }
+
return 1;
}
inpos = buf;
- if (debug)
- fprintf(stderr, "\nLAN > %s", buf);
-
while (inpos < inend) {
uint8_t *instart = inpos;
if (last == 0)
continue;
+ if (verbose) {
+ print_timestamp(stdout);
+ printf("LAN > ");
+ for (i = 0; i < last; i++)
+ printf("%c", instart[i]);
+ printf("\n");
+ }
+
memset(out, 0, sizeof(out));
*outpos++ = *inpos++;
- switch(buf[0]) {
+ switch(*instart) {
case 'S':
parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), 0);
parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), 0);
parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), 0);
parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), FLAG_LENGTH_BYTE);
break;
+ case 'Y':
+ parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), 0);
+ parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), 0);
+ parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), FLAG_LENGTH_BYTE);
+ break;
default:
parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), FLAG_IGNORE_COMMAS);
break;
hmcfgusb_send(dev, out, sizeof(out), 1);
}
} else if (r < 0) {
- perror("read");
+ if (errno != ECONNRESET)
+ perror("read");
return r;
} else {
return 0;
return 1;
}
-static int comm(int fd_in, int fd_out, int master_socket)
+static int comm(int fd_in, int fd_out, int master_socket, int flags)
{
struct hmcfgusb_dev *dev;
+ uint8_t out[0x40]; //FIXME!!!
int quit = 0;
hmcfgusb_set_debug(debug);
return 0;
}
+ if (dev->bootloader) {
+ fprintf(stderr, "HM-CFG-USB in bootloader mode, restarting in normal mode...\n");
+ memset(out, 0, sizeof(out));
+ out[0] = 'K';
+ hmcfgusb_send(dev, out, sizeof(out), 1);
+ hmcfgusb_close(dev);
+ sleep(1);
+ return 0;
+ }
+
if (!hmcfgusb_add_pfd(dev, fd_in, POLLIN)) {
fprintf(stderr, "Can't add client to pollfd!\n");
hmcfgusb_close(dev);
}
}
- hmcfgusb_send(dev, (unsigned char*)"K", 1, 1);
+ memset(out, 0, sizeof(out));
+ out[0] = 'K';
+ wait_for_h = 1;
+ hmcfgusb_send_null_frame(dev, 1);
+ hmcfgusb_send(dev, out, sizeof(out), 1);
while(!quit) {
int fd;
- fd = hmcfgusb_poll(dev, 3600);
+ fd = hmcfgusb_poll(dev, 1); /* Wakeup device/bus at least once a second */
if (fd >= 0) {
if (fd == master_socket) {
int client;
}
} else if (fd == -1) {
if (errno) {
- perror("hmcfgusb_poll");
- quit = 1;
+ if (errno != ETIMEDOUT) {
+ perror("hmcfgusb_poll");
+ quit = 1;
+ } else {
+ /* periodically wakeup the device */
+ hmcfgusb_send_null_frame(dev, 1);
+ if (wait_for_h) {
+ memset(out, 0, sizeof(out));
+ out[0] = 'K';
+ hmcfgusb_send(dev, out, sizeof(out), 1);
+ }
+ }
+ }
+ }
+
+ if (reboot_seconds && ((dev->opened_at + reboot_seconds) <= time(NULL))) {
+ if (verbose) {
+ fprintf(stderr, "HM-CFG-USB running since %lu seconds, rebooting now...\n",
+ time(NULL) - dev->opened_at);
}
+ hmcfgusb_enter_bootloader(dev);
}
}
sin.sin_addr.s_addr = htonl(INADDR_ANY);
} else {
if (inet_pton(AF_INET, iface, &(sin.sin_addr.s_addr)) != 1) {
- perror("inet_ntop");
+ fprintf(stderr, "Can't convert IP %s, aborting!\n", iface);
return EXIT_FAILURE;
}
}
client_addr = ntohl(csin.sin_addr.s_addr);
if (verbose) {
+ print_timestamp(stdout);
printf("Client %d.%d.%d.%d connected!\n",
(client_addr & 0xff000000) >> 24,
(client_addr & 0x00ff0000) >> 16,
(client_addr & 0x000000ff));
}
- comm(client, client, sock);
+ comm(client, client, sock, flags);
shutdown(client, SHUT_RDWR);
close(client);
if (verbose) {
+ print_timestamp(stdout);
printf("Connection to %d.%d.%d.%d closed!\n",
(client_addr & 0xff000000) >> 24,
(client_addr & 0x00ff0000) >> 16,
(client_addr & 0x0000ff00) >> 8,
(client_addr & 0x000000ff));
}
-
+ sleep(1);
}
return EXIT_SUCCESS;
}
-static int interactive_server(void)
+static int interactive_server(int flags)
{
- if (!comm(STDIN_FILENO, STDOUT_FILENO, -1))
+ if (!comm(STDIN_FILENO, STDOUT_FILENO, -1, flags))
return EXIT_FAILURE;
return EXIT_SUCCESS;
fprintf(stderr, "\t-l ip\tlisten on given IP address only (for example 127.0.0.1)\n");
fprintf(stderr, "\t-P\tcreate PID file " PID_FILE " in daemon mode\n");
fprintf(stderr, "\t-p n\tlisten on port n (default 1000)\n");
+ fprintf(stderr, "\t-r n\treboot HM-CFG-USB after n seconds (0: no reboot, default: %u)\n", DEFAULT_REBOOT_SECONDS);
fprintf(stderr, "\t-v\tverbose mode\n");
}
int flags = 0;
char *ep;
int opt;
+
+ reboot_seconds = DEFAULT_REBOOT_SECONDS;
- while((opt = getopt(argc, argv, "DdhiPp:l:v")) != -1) {
+ while((opt = getopt(argc, argv, "DdhiPp:Rr:l:v")) != -1) {
switch (opt) {
case 'D':
debug = 1;
exit(EXIT_FAILURE);
}
break;
+ case 'R':
+ fprintf(stderr, "-R is no longer needed (1s wakeup is default)\n");
+ break;
+ case 'r':
+ reboot_seconds = strtoul(optarg, &ep, 10);
+ if (*ep != '\0') {
+ fprintf(stderr, "Can't parse reboot-timeout!\n");
+ exit(EXIT_FAILURE);
+ }
+ break;
case 'l':
iface = optarg;
break;
}
if (interactive) {
- return interactive_server();
+ return interactive_server(flags);
} else {
return socket_server(iface, port, flags);
}
projects / hmcfgusb / blobdiff