extern const char *get_status_string (SANE_Status status) {
struct {
SANE_Status status;
const char *name;
} status_names[] = {
{ SANE_STATUS_GOOD, "SANE_STATUS_GOOD"},
{ SANE_STATUS_UNSUPPORTED, "SANE_STATUS_UNSUPPORTED"},
{ SANE_STATUS_CANCELLED, "SANE_STATUS_CANCELLED"},
{ SANE_STATUS_DEVICE_BUSY, "SANE_STATUS_DEVICE_BUSY"},
{ SANE_STATUS_INVAL, "SANE_STATUS_INVAL"},
{ SANE_STATUS_EOF, "SANE_STATUS_EOF"},
{ SANE_STATUS_JAMMED, "SANE_STATUS_JAMMED"},
{ SANE_STATUS_NO_DOCS, "SANE_STATUS_NO_DOCS"},
{ SANE_STATUS_COVER_OPEN, "SANE_STATUS_COVER_OPEN"},
{ SANE_STATUS_IO_ERROR, "SANE_STATUS_IO_ERROR"},
{ SANE_STATUS_NO_MEM, "SANE_STATUS_NO_MEM"},
{ SANE_STATUS_ACCESS_DENIED, "SANE_STATUS_ACCESS_DENIED"},
{ -1, NULL}
};
static char *unknown_string = NULL;
int i;
for (i = 0; status_names[i].name != NULL && status_names[i].status != status; i++);
if (status_names[i].name == NULL) {
free (unknown_string);
unknown_string = o_strdup("");
o_concatf (&unknown_string, "SANE_ACTION(%d)", status);
return unknown_string; /* Note result is undefined on second call to this function */
}
return status_names[i].name;
}
extern const char *get_action_string (SANE_Action action) {
struct {
SANE_Action action;
const char *name;
} action_names[] = {
{ SANE_ACTION_GET_VALUE, "SANE_ACTION_GET_VALUE" },
{ SANE_ACTION_SET_VALUE, "SANE_ACTION_SET_VALUE" },
{ SANE_ACTION_SET_AUTO, "SANE_ACTION_SET_AUTO" },
{ -1, NULL}
};
static char *unknown_string = NULL;
int i;
for (i = 0; action_names[i].name != NULL && action_names[i].action != action; i++);
if (action_names[i].name == NULL) {
free (unknown_string);
unknown_string = o_strdup("");
o_concatf (&unknown_string, "SANE_ACTION(%d)", action);
return unknown_string; /* Note result is undefined on second call to this function */
}
return action_names[i].name;
}
extern char *internalGetScannerDetails(char *device, char *lang) {
char *answer = NULL;
SANE_Status status;
char *deviceList = o_strdup("");;
int hlp = 0, resolution = 300, minRes=50, maxRes=50, phashAvailable=0;
char *resolution_s, *maxRes_s, *minRes_s;
SANE_Handle *openDeviceHandle;
o_log(DEBUGM, "sane_open of \"%s\"", device);
status = sane_open (device, (SANE_Handle)&openDeviceHandle);
if(status != SANE_STATUS_GOOD) {
o_log(ERROR, "Could not open: '%s' with error: %s", device, sane_strstatus(status));
free(deviceList);
return NULL;
}
//
// Find resolution ranges
//
for (hlp = 0; hlp < 9999; hlp++) {
const SANE_Option_Descriptor *sod;
sod = sane_get_option_descriptor (openDeviceHandle, hlp);
if (sod == NULL)
break;
// Just a placeholder
if (sod->type == SANE_TYPE_GROUP
|| sod->name == NULL
|| hlp == 0)
continue;
if ( 0 == strcmp(sod->name, SANE_NAME_SCAN_RESOLUTION) ) {
// Some kind of sliding range
if (sod->constraint_type == SANE_CONSTRAINT_RANGE) {
o_log(DEBUGM, "Resolution setting detected as 'range'");
// Fixed resolution
if (sod->type == SANE_TYPE_FIXED)
maxRes = (int)SANE_UNFIX (sod->constraint.range->max);
else
maxRes = sod->constraint.range->max;
}
// A fixed list of options
else if (sod->constraint_type == SANE_CONSTRAINT_WORD_LIST) {
int lastIndex = sod->constraint.word_list[0];
o_log(DEBUGM, "Resolution setting detected as 'word list': lastIndex = %d",lastIndex);
// maxRes = sod->constraint.word_list[lastIndex];
// resolution list cannot be treated as low to high ordered list
// remark: impl capability to select scan resolution in webInterface
int n=0;
maxRes = 0;
for (n=1; n<=lastIndex; n++ ) {
o_log(DEBUGM, "index results %d --> %d", n ,(int)sod->constraint.word_list[n]);
if ( maxRes < sod->constraint.word_list[n] ) {
maxRes=sod->constraint.word_list[n];
}
}
}
break; // we've found our resolution - no need to search more
}
}
o_log(DEBUGM, "Determined max resultion to be %d", maxRes);
// Define a default
if(resolution >= maxRes)
resolution = maxRes;
if(resolution <= minRes)
resolution = minRes;
o_log(DEBUGM, "sane_cancel");
sane_cancel(openDeviceHandle);
o_log(DEBUGM, "sane_close");
sane_close(openDeviceHandle);
//
// What languages can we OCR for?
//
char *availableLangs = o_strdup("");
#ifdef CAN_OCR
struct simpleLinkedList *languages = getOCRAvailableLanguages();
while (languages != NULL ) {
if ( checkOCRLanguage( languages->data ) == 0 ) {
o_concatf(&availableLangs, "<lang>%s</lang>", languages->data);
}
languages = sll_getNext(languages);
}
sll_destroy( languages );
#endif /* CAN_OCR */
//
// Can we give the option of doing 'find simmilar'?
//
#ifdef CAN_PHASH
phashAvailable = 1;
#endif /* CAN_PHASH */
// Build Reply
//
resolution_s = itoa(resolution,10);
maxRes_s = itoa(maxRes,10);
minRes_s = itoa(minRes,10);
o_concatf(&deviceList, "<Resolution><max>%s</max><min>%s</min><default>%s</default></Resolution><OCRLanguages>%s</OCRLanguages><phash>%d</phash>", maxRes_s, minRes_s, resolution_s, availableLangs, phashAvailable);
free(maxRes_s);
free(minRes_s);
free(resolution_s);
free(availableLangs);
// The escaped string placeholder will be interprited in the sane dispatcher client
answer = o_printf("<?xml version='1.0' encoding='utf-8'?>\n<Response><ScannerDetails>%s</ScannerDetails></Response>", deviceList);
free(deviceList);
return answer;
}
extern void log_option (SANE_Int index, const SANE_Option_Descriptor *option) {
char *string;
SANE_Word i;
SANE_Int cap;
string = o_strdup("");
o_concatf (&string, "Option %d:", index);
if (option->name)
o_concatf (&string, " name='%s'", option->name);
if (option->title)
o_concatf (&string, " title='%s'", option->title);
switch (option->type) {
case SANE_TYPE_BOOL:
conCat(&string, " type=bool");
break;
case SANE_TYPE_INT:
conCat(&string, " type=int");
break;
case SANE_TYPE_FIXED:
conCat(&string, " type=fixed");
break;
case SANE_TYPE_STRING:
conCat(&string, " type=string");
break;
case SANE_TYPE_BUTTON:
conCat(&string, " type=button");
break;
case SANE_TYPE_GROUP:
conCat(&string, " type=group");
break;
default:
o_concatf (&string, " type=%d", option->type);
break;
}
o_concatf (&string, " size=%d", option->size);
switch (option->unit) {
case SANE_UNIT_NONE:
break;
case SANE_UNIT_PIXEL:
conCat(&string, " unit=pixels");
break;
case SANE_UNIT_BIT:
conCat(&string, " unit=bits");
break;
case SANE_UNIT_MM:
conCat(&string, " unit=mm");
break;
case SANE_UNIT_DPI:
conCat(&string, " unit=dpi");
break;
case SANE_UNIT_PERCENT:
conCat(&string, " unit=percent");
break;
case SANE_UNIT_MICROSECOND:
conCat(&string, " unit=microseconds");
break;
default:
o_concatf (&string, " unit=%d", option->unit);
break;
}
switch (option->constraint_type) {
case SANE_CONSTRAINT_RANGE:
if (option->type == SANE_TYPE_FIXED)
o_concatf (&string, " min=%f, max=%f, quant=%d",
SANE_UNFIX (option->constraint.range->min), SANE_UNFIX (option->constraint.range->max),
option->constraint.range->quant);
else
o_concatf (&string, " min=%d, max=%d, quant=%d",
option->constraint.range->min, option->constraint.range->max,
option->constraint.range->quant);
break;
case SANE_CONSTRAINT_WORD_LIST:
conCat(&string, " values=[");
for (i = 0; i < option->constraint.word_list[0]; i++) {
if (i != 0)
conCat(&string, ", ");
if (option->type == SANE_TYPE_INT)
o_concatf (&string, "%d", option->constraint.word_list[i+1]);
else
o_concatf (&string, "%f", SANE_UNFIX (option->constraint.word_list[i+1]));
}
conCat(&string, "]");
break;
case SANE_CONSTRAINT_STRING_LIST:
conCat(&string, " values=[");
for (i = 0; option->constraint.string_list[i]; i++) {
if (i != 0)
conCat(&string, ", ");
o_concatf (&string, "\"%s\"", option->constraint.string_list[i]);
}
conCat(&string, "]");
break;
default:
break;
}
cap = option->cap;
if (cap) {
struct {
SANE_Int cap;
const char *name;
} caps[] = {
{ SANE_CAP_SOFT_SELECT, "soft-select"},
{ SANE_CAP_HARD_SELECT, "hard-select"},
{ SANE_CAP_SOFT_DETECT, "soft-detect"},
{ SANE_CAP_EMULATED, "emulated"},
{ SANE_CAP_AUTOMATIC, "automatic"},
{ SANE_CAP_INACTIVE, "inactive"},
{ SANE_CAP_ADVANCED, "advanced"},
{ 0, NULL}
};
int i, n = 0;
conCat(&string, " cap=");
for (i = 0; caps[i].cap > 0; i++) {
if (cap & caps[i].cap) {
cap &= ~caps[i].cap;
if (n != 0)
conCat(&string, ",");
conCat(&string, caps[i].name);
n++;
}
}
/* Unknown capabilities */
if (cap) {
if (n != 0)
conCat(&string, ",");
o_concatf (&string, "%x", cap);
}
}
o_log(DEBUGM, "%s", string);
free(string);
// if (option->desc)
// o_log(DEBUGM, " Description: %s", option->desc);
}
extern char *internalGetScannerList(char *lang) {
char *answer = NULL;
SANE_Status status;
const SANE_Device **SANE_device_list;
int scanOK = SANE_FALSE;
char *deviceList;
status = sane_get_devices (&SANE_device_list, SANE_TRUE);
if(status == SANE_STATUS_GOOD) {
if (SANE_device_list && SANE_device_list[0]) {
scanOK = SANE_TRUE;
o_log(DEBUGM, "device(s) found");
}
else {
o_log(INFORMATION, "No devices found");
}
}
else {
o_log(WARNING, "Checking for devices failed");
}
if(scanOK == SANE_TRUE) {
int i = 0;
char *replyTemplate;
replyTemplate = o_strdup("<Device><vendor>%s</vendor><model>%s</model><type>%s</type><name>%s</name><host>%s</host></Device>");
deviceList = o_strdup("");
for (i=0 ; SANE_device_list[i] ; i++) {
char *vendor, *model, *type, *name;
char *scannerHost;
vendor = o_strdup(SANE_device_list[i]->vendor);
model = o_strdup(SANE_device_list[i]->model);
type = o_strdup(SANE_device_list[i]->type);
name = o_strdup(SANE_device_list[i]->name);
propper(vendor);
propper(model);
propper(type);
// Find location of the device
if ( name && name == strstr(name, "net:") ) {
struct sockaddr_in sa;
char *ipandmore, *ip;
char host[NI_MAXHOST];
char service[NI_MAXSERV];
int len;
// Ignore the 'net:' part
ipandmore = name + 4;
// Find the length of the address part
len = strstr(ipandmore, ":") - ipandmore;
// Load 'ip' with the network addres
ip = malloc(1+(size_t)len);
(void) strncpy(ip,ipandmore,(size_t)len);
ip[len] = '\0';
// Convert into an inet address
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = inet_addr( ip );
// Lookup hostname from address
o_log(DEBUGM, "Going to lookup: %s", ip);
if ( getnameinfo((struct sockaddr *)&sa, sizeof sa, host, sizeof host, service, sizeof service, NI_NAMEREQD) == 0 ) {
o_log(DEBUGM, "found host: %s", host);
scannerHost = o_strdup(host);
}
else {
o_log(DEBUGM, "Could not get hostname");
scannerHost = o_strdup(ip);
}
// Clean up
free(ip);
}
else {
scannerHost = o_strdup( getString("LOCAL_opendias_server", lang) );
}
// Build Reply
//
o_concatf(&deviceList, replyTemplate, vendor, model, type, name, scannerHost);
free(vendor);
free(model);
free(type);
free(name);
free(scannerHost);
}
free(replyTemplate);
if(deviceList) {
// The escaped string placeholder will be interprited in the sane dispatcher client
answer = o_printf("<?xml version='1.0' encoding='utf-8'?>\n<Response><ScannerList%%s><Devices>%s</Devices></ScannerList></Response>", deviceList);
free(deviceList);
}
else {
// No devices
// The escaped string placeholder will be interprited in the sane dispatcher client
answer = o_strdup( "<?xml version='1.0' encoding='utf-8'?>\n<Response><ScannerList%s></ScannerList></Response>");
}
}
else {
// sane failed.
// The escaped string placeholder will be interprited in the sane dispatcher client
answer = o_strdup( "<?xml version='1.0' encoding='utf-8'?>\n<Response><ScannerList%s></ScannerList></Response>");
}
return answer;
}
