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common: Eliminate early_parse() from backend.

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only canonselphy used it.  This also showed that extra_vid/pid was broken.
master
Solomon Peachy 8 years ago
parent 20f6d05b8a
commit f67a8f8ea5
3 changed files with 79 additions and 92 deletions
Show Stats Download Patch File Download Diff File

11
backend_canonselphy.c
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@ -656,6 +656,14 @@ static int canonselphy_read_parse(void *vctx, int data_fd)
if (!ctx)
return CUPS_BACKEND_FAILED;
/* Perform early parsing */
i = canonselphy_early_parse(ctx, data_fd);
if (i < 0)
return i;
if (ctx->printer->type != i) {
ERROR("Job/Printer mismatch (%d/%d)\n", i, ctx->printer->type);
}
if (ctx->header) {
free(ctx->header);
ctx->header = NULL;
@ -950,12 +958,11 @@ top:
struct dyesub_backend canonselphy_backend = {
.name = "Canon SELPHY CP/ES",
.version = "0.87",
.version = "0.88",
.uri_prefix = "canonselphy",
.init = canonselphy_init,
.attach = canonselphy_attach,
.teardown = canonselphy_teardown,
.early_parse = canonselphy_early_parse,
.read_parse = canonselphy_read_parse,
.main_loop = canonselphy_main_loop,
.devices = {

154
backend_common.c
Unescape Escape View File

@ -38,11 +38,9 @@
int dyesub_debug = 0;
int terminate = 0;
int fast_return = 0;
/* Local Global Variables */
static int extra_vid = -1;
static int extra_pid = -1;
static int extra_type = -1;
int extra_vid = -1;
int extra_pid = -1;
int extra_type = -1;
/* Support Functions */
static int backend_claim_interface(struct libusb_device_handle *dev, int iface)
@ -360,7 +358,7 @@ static char *url_decode(char *str) {
static int print_scan_output(struct libusb_device *device,
struct libusb_device_descriptor *desc,
char *prefix, char *manuf2,
int found, int match,
int found,
int scan_only, char *match_serno,
struct dyesub_backend *backend)
{
@ -436,7 +434,7 @@ static int print_scan_output(struct libusb_device *device,
free(manuf3);
if (product2)
free(product2);
return found;
return -1;
}
sprintf(descr, "%s %s", manuf3, product2);
@ -496,8 +494,7 @@ static int print_scan_output(struct libusb_device *device,
}
if (dyesub_debug)
DEBUG("%sVID: %04X PID: %04X Manuf: '%s' Product: '%s' Serial: '%s'\n",
match ? "MATCH: " : "",
DEBUG("VID: %04X PID: %04X Manuf: '%s' Product: '%s' Serial: '%s'\n",
desc->idVendor, desc->idProduct, manuf, product, serial);
if (scan_only) {
@ -564,7 +561,6 @@ static int find_and_enumerate(struct libusb_context *ctx,
struct libusb_device ***list,
struct dyesub_backend *backend,
char *match_serno,
int printer_type,
int scan_only)
{
int num;
@ -583,38 +579,33 @@ static int find_and_enumerate(struct libusb_context *ctx,
if (backend && backend != backends[k])
continue;
for (j = 0 ; backends[k]->devices[j].vid ; j++) {
if (extra_pid != -1 &&
extra_vid != -1 &&
extra_type != -1) {
if (backends[k]->devices[j].type == extra_type &&
extra_vid == desc.idVendor &&
extra_pid == desc.idProduct) {
match = 1;
found = i;
goto match;
}
}
if (desc.idVendor == backends[k]->devices[j].vid &&
desc.idProduct == backends[k]->devices[j].pid) {
match = 1;
if (printer_type == P_ANY ||
printer_type == backends[k]->devices[j].type)
found = i;
found = i;
goto match;
}
}
}
match:
if (!match) {
if (extra_pid != -1 &&
extra_vid != -1 &&
extra_type != -1) {
if (extra_vid == desc.idVendor &&
extra_pid == desc.idProduct) {
match = 1;
if (printer_type == P_ANY ||
printer_type == extra_type)
found = i;
}
}
}
if (!match)
continue;
match:
found = print_scan_output((*list)[i], &desc,
URI_PREFIX, backends[k]->devices[j].manuf_str,
found, (found == i),
found,
scan_only, match_serno,
backends[k]);
@ -721,7 +712,7 @@ static void print_help(char *argv0, struct dyesub_backend *backend)
ERROR("Failed to initialize libusb (%d)\n", i);
exit(CUPS_BACKEND_STOP);
}
find_and_enumerate(ctx, &list, backend, NULL, P_ANY, 1);
find_and_enumerate(ctx, &list, backend, NULL, 1);
libusb_free_device_list(list, 1);
libusb_exit(ctx);
}
@ -754,7 +745,6 @@ int main (int argc, char **argv)
char *uri;
char *fname = NULL;
int printer_type = P_ANY;
char *use_serno = NULL;
@ -794,6 +784,8 @@ int main (int argc, char **argv)
copies = atoi(argv[base + 3]);
if (argc > 6)
fname = argv[base + 5];
else
fname = "-";
/* Figure out backend based on URI */
{
@ -903,19 +895,13 @@ int main (int argc, char **argv)
/* Make sure a filename was specified */
if (optind >= argc || !argv[optind]) {
if (!backend_cmd)
if (!backend_cmd) {
print_help(argv[0], backend);
exit(0);
exit(0);
}
}
/* Grab the filename */
fname = argv[optind];
if (!fname && !backend_cmd) {
perror("ERROR:No input file");
exit(1);
}
fname = argv[optind]; // XXX
srand(getpid());
jobid = rand();
@ -936,47 +922,6 @@ int main (int argc, char **argv)
exit(1);
}
if (fname && strcmp("-", fname)) {
data_fd = open(fname, O_RDONLY);
if (data_fd < 0) {
perror("ERROR:Can't open input file");
exit(1);
}
} else {
fname = "-";
}
/* Ensure we're using BLOCKING I/O */
i = fcntl(data_fd, F_GETFL, 0);
if (i < 0) {
perror("ERROR:Can't open input");
exit(1);
}
i &= ~O_NONBLOCK;
i = fcntl(data_fd, F_SETFL, i);
if (i < 0) {
perror("ERROR:Can't open input");
exit(1);
}
/* Ignore SIGPIPE */
signal(SIGPIPE, SIG_IGN);
signal(SIGTERM, sigterm_handler);
/* Initialize backend */
DEBUG("Initializing '%s' backend (version %s)\n",
backend->name, backend->version);
backend_ctx = backend->init();
/* Parse printjob if necessary */
if (fname && backend->early_parse) {
printer_type = backend->early_parse(backend_ctx, data_fd);
if (printer_type < 0) {
ret = CUPS_BACKEND_CANCEL;
goto done;
}
}
/* Libusb setup */
ret = libusb_init(&ctx);
if (ret) {
@ -986,11 +931,11 @@ int main (int argc, char **argv)
}
/* Enumerate devices */
found = find_and_enumerate(ctx, &list, backend, use_serno, printer_type, 0);
found = find_and_enumerate(ctx, &list, backend, use_serno, 0);
#if 1
if (found == -1) {
ERROR("Printer open failure (No suitable printers found!)\n");
ERROR("Printer open failure (No matching printers found!)\n");
ret = CUPS_BACKEND_HOLD;
goto done;
}
@ -1034,6 +979,12 @@ int main (int argc, char **argv)
}
}
#endif
/* Initialize backend */
DEBUG("Initializing '%s' backend (version %s)\n",
backend->name, backend->version);
backend_ctx = backend->init();
/* Attach backend to device */
backend->attach(backend_ctx, dev, endp_up, endp_down, jobid);
@ -1044,14 +995,41 @@ int main (int argc, char **argv)
goto done_claimed;
}
if (!fname) {
fprintf(stderr, "ERROR: No input file specified\n");
exit(1);
}
/* Open file if not STDIN */
if (strcmp("-", fname)) {
data_fd = open(fname, O_RDONLY);
if (data_fd < 0) {
perror("ERROR:Can't open input file");
exit(1);
}
}
/* Ensure we're using BLOCKING I/O */
i = fcntl(data_fd, F_GETFL, 0);
if (i < 0) {
perror("ERROR:Can't open input");
exit(1);
}
i &= ~O_NONBLOCK;
i = fcntl(data_fd, F_SETFL, i);
if (i < 0) {
perror("ERROR:Can't open input");
exit(1);
}
/* Ignore SIGPIPE */
signal(SIGPIPE, SIG_IGN);
signal(SIGTERM, sigterm_handler);
/* Time for the main processing loop */
INFO("Printing started (%d copies)\n", copies);
newpage:
/* Do early parsing if needed for subsequent pages */
if (pages && backend->early_parse &&
backend->early_parse(backend_ctx, data_fd) < 0)
goto done_multiple;
/* Read in data */
if ((ret = backend->read_parse(backend_ctx, data_fd))) {

6
backend_common.h
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@ -134,7 +134,6 @@ struct dyesub_backend {
uint8_t endp_up, uint8_t endp_down, uint8_t jobid);
void (*teardown)(void *ctx);
int (*cmdline_arg)(void *ctx, int argc, char **argv);
int (*early_parse)(void *ctx, int data_fd);
int (*read_parse)(void *ctx, int data_fd);
int (*main_loop)(void *ctx, int copies);
int (*query_serno)(struct libusb_device_handle *dev, uint8_t endp_up, uint8_t endp_down, char *buf, int buf_len);
@ -147,10 +146,13 @@ int send_data(struct libusb_device_handle *dev, uint8_t endp,
int read_data(struct libusb_device_handle *dev, uint8_t endp,
uint8_t *buf, int buflen, int *readlen);
/* Exported data */
/* Global data */
extern int terminate;
extern int dyesub_debug;
extern int fast_return;
extern int extra_vid;
extern int extra_pid;
extern int extra_type;
/* External data */
extern struct dyesub_backend updr150_backend;

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