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-rw-r--r--backend/escl/escl_status.c159
1 files changed, 127 insertions, 32 deletions
diff --git a/backend/escl/escl_status.c b/backend/escl/escl_status.c
index 68b51dc..7b98566 100644
--- a/backend/escl/escl_status.c
+++ b/backend/escl/escl_status.c
@@ -83,34 +83,105 @@ find_nodes_s(xmlNode *node)
return (1);
}
-/**
- * \fn static void print_xml_s(xmlNode *node, SANE_Status *status)
- * \brief Function that browses the xml file, node by node.
- * If the node 'State' is found, we are expecting to found in this node the 'Idle'
- * content (if the scanner is ready to use) and then 'status' = SANE_STATUS_GOOD.
- * Otherwise, this means that the scanner isn't ready to use.
- */
static void
-print_xml_s(xmlNode *node, SANE_Status *status)
+print_xml_job_status(xmlNode *node,
+ SANE_Status *job,
+ int *image)
{
- int x = 0;
+ while (node) {
+ if (node->type == XML_ELEMENT_NODE) {
+ if (find_nodes_s(node)) {
+ if (strcmp((const char *)node->name, "JobState") == 0) {
+ const char *state = (const char *)xmlNodeGetContent(node);
+ if (!strcmp(state, "Processing")) {
+ *job = SANE_STATUS_DEVICE_BUSY;
+ DBG(10, "jobId Processing SANE_STATUS_DEVICE_BUSY\n");
+ }
+ else if (!strcmp(state, "Completed")) {
+ *job = SANE_STATUS_GOOD;
+ DBG(10, "jobId Completed SANE_STATUS_GOOD\n");
+ }
+ else if (strcmp((const char *)node->name, "ImagesToTransfer") == 0) {
+ const char *state = (const char *)xmlNodeGetContent(node);
+ *image = atoi(state);
+ }
+ }
+ }
+ }
+ print_xml_job_status(node->children, job, image);
+ node = node->next;
+ }
+}
+static void
+print_xml_platen_and_adf_status(xmlNode *node,
+ SANE_Status *platen,
+ SANE_Status *adf,
+ const char* jobId,
+ SANE_Status *job,
+ int *image)
+{
while (node) {
if (node->type == XML_ELEMENT_NODE) {
if (find_nodes_s(node)) {
- if (strcmp((const char *)node->name, "State") == 0)
- x = 1;
+ if (strcmp((const char *)node->name, "State") == 0) {
+ DBG(10, "State\t");
+ const char *state = (const char *)xmlNodeGetContent(node);
+ if (!strcmp(state, "Idle")) {
+ DBG(10, "Idle SANE_STATUS_GOOD\n");
+ *platen = SANE_STATUS_GOOD;
+ } else if (!strcmp(state, "Processing")) {
+ DBG(10, "Processing SANE_STATUS_DEVICE_BUSY\n");
+ *platen = SANE_STATUS_DEVICE_BUSY;
+ } else {
+ DBG(10, "%s SANE_STATUS_UNSUPPORTED\n", state);
+ *platen = SANE_STATUS_UNSUPPORTED;
+ }
+ }
+ // Thank's Alexander Pevzner (pzz@apevzner.com)
+ else if (adf && strcmp((const char *)node->name, "AdfState") == 0) {
+ const char *state = (const char *)xmlNodeGetContent(node);
+ if (!strcmp(state, "ScannerAdfLoaded")){
+ DBG(10, "ScannerAdfLoaded SANE_STATUS_GOOD\n");
+ *adf = SANE_STATUS_GOOD;
+ } else if (!strcmp(state, "ScannerAdfJam")) {
+ DBG(10, "ScannerAdfJam SANE_STATUS_JAMMED\n");
+ *adf = SANE_STATUS_JAMMED;
+ } else if (!strcmp(state, "ScannerAdfDoorOpen")) {
+ DBG(10, "ScannerAdfDoorOpen SANE_STATUS_COVER_OPEN\n");
+ *adf = SANE_STATUS_COVER_OPEN;
+ } else if (!strcmp(state, "ScannerAdfProcessing")) {
+ /* Kyocera version */
+ DBG(10, "ScannerAdfProcessing SANE_STATUS_NO_DOC\n");
+ *adf = SANE_STATUS_NO_DOCS;
+ } else if (!strcmp(state, "ScannerAdfEmpty")) {
+ DBG(10, "ScannerAdfEmpty SANE_STATUS_NO_DOCS\n");
+ /* Cannon TR4500, EPSON XP-7100 */
+ *adf = SANE_STATUS_NO_DOCS;
+ } else {
+ DBG(10, "%s SANE_STATUS_NO_DOCS\n", state);
+ *adf = SANE_STATUS_UNSUPPORTED;
+ }
+ }
+ else if (jobId && job && strcmp((const char *)node->name, "JobUri") == 0) {
+ if (strstr((const char *)xmlNodeGetContent(node), jobId)) {
+ print_xml_job_status(node, job, image);
+ }
+ }
}
- if (x == 1 && strcmp((const char *)xmlNodeGetContent(node), "Idle") == 0)
- *status = SANE_STATUS_GOOD;
}
- print_xml_s(node->children, status);
+ print_xml_platen_and_adf_status(node->children,
+ platen,
+ adf,
+ jobId,
+ job,
+ image);
node = node->next;
}
}
/**
- * \fn SANE_Status escl_status(SANE_String_Const name)
+ * \fn SANE_Status escl_status(const ESCL_Device *device)
* \brief Function that finally recovers the scanner status ('Idle', or not), using curl.
* This function is called in the 'sane_open' function and it's the equivalent of
* the following curl command : "curl http(s)://'ip':'port'/eSCL/ScannerStatus".
@@ -118,40 +189,45 @@ print_xml_s(xmlNode *node, SANE_Status *status)
* \return status (if everything is OK, status = SANE_STATUS_GOOD, otherwise, SANE_STATUS_NO_MEM/SANE_STATUS_INVAL)
*/
SANE_Status
-escl_status(SANE_String_Const name)
+escl_status(const ESCL_Device *device,
+ int source,
+ const char* jobId,
+ SANE_Status *job)
{
- SANE_Status status;
+ SANE_Status status = SANE_STATUS_DEVICE_BUSY;
+ SANE_Status platen= SANE_STATUS_DEVICE_BUSY;
+ SANE_Status adf= SANE_STATUS_DEVICE_BUSY;
CURL *curl_handle = NULL;
struct idle *var = NULL;
xmlDoc *data = NULL;
xmlNode *node = NULL;
const char *scanner_status = "/eSCL/ScannerStatus";
- char tmp[PATH_MAX] = { 0 };
+ int image = -1;
+ int pass = 0;
+reload:
- if (name == NULL)
+ if (device == NULL)
return (SANE_STATUS_NO_MEM);
+ status = SANE_STATUS_DEVICE_BUSY;
+ platen= SANE_STATUS_DEVICE_BUSY;
+ adf= SANE_STATUS_DEVICE_BUSY;
var = (struct idle*)calloc(1, sizeof(struct idle));
if (var == NULL)
return (SANE_STATUS_NO_MEM);
var->memory = malloc(1);
var->size = 0;
curl_handle = curl_easy_init();
- strcpy(tmp, name);
- strcat(tmp, scanner_status);
- curl_easy_setopt(curl_handle, CURLOPT_URL, tmp);
- DBG( 1, "Get Status : %s.\n", tmp);
- if (strncmp(name, "https", 5) == 0) {
- DBG( 1, "Ignoring safety certificates, use https\n");
- curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYPEER, 0L);
- curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYHOST, 0L);
- }
+
+ escl_curl_url(curl_handle, device, scanner_status);
curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, memory_callback_s);
curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)var);
- if (curl_easy_perform(curl_handle) != CURLE_OK) {
- DBG( 1, "The scanner didn't respond.\n");
+ CURLcode res = curl_easy_perform(curl_handle);
+ if (res != CURLE_OK) {
+ DBG( 1, "The scanner didn't respond: %s\n", curl_easy_strerror(res));
status = SANE_STATUS_INVAL;
goto clean_data;
}
+ DBG( 10, "eSCL : Status : %s.\n", var->memory);
data = xmlReadMemory(var->memory, var->size, "file.xml", NULL, 0);
if (data == NULL) {
status = SANE_STATUS_NO_MEM;
@@ -162,8 +238,18 @@ escl_status(SANE_String_Const name)
status = SANE_STATUS_NO_MEM;
goto clean;
}
- status = SANE_STATUS_DEVICE_BUSY;
- print_xml_s(node, &status);
+ /* Decode Job status */
+ // Thank's Alexander Pevzner (pzz@apevzner.com)
+ print_xml_platen_and_adf_status(node, &platen, &adf, jobId, job, &image);
+ if (platen != SANE_STATUS_GOOD &&
+ platen != SANE_STATUS_UNSUPPORTED) {
+ status = platen;
+ } else if (source == PLATEN) {
+ status = platen;
+ } else {
+ status = adf;
+ }
+ DBG (10, "STATUS : %s\n", sane_strstatus(status));
clean:
xmlFreeDoc(data);
clean_data:
@@ -172,5 +258,14 @@ clean_data:
curl_easy_cleanup(curl_handle);
free(var->memory);
free(var);
+ if (pass == 0 &&
+ source != PLATEN &&
+ image == 0 &&
+ (status == SANE_STATUS_GOOD ||
+ status == SANE_STATUS_UNSUPPORTED ||
+ status == SANE_STATUS_DEVICE_BUSY)) {
+ pass = 1;
+ goto reload;
+ }
return (status);
}
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