diff options
Diffstat (limited to 'backend/escl/escl_newjob.c')
-rw-r--r-- | backend/escl/escl_newjob.c | 156 |
1 files changed, 121 insertions, 35 deletions
diff --git a/backend/escl/escl_newjob.c b/backend/escl/escl_newjob.c index ee8c03c..24bfbc9 100644 --- a/backend/escl/escl_newjob.c +++ b/backend/escl/escl_newjob.c @@ -16,8 +16,8 @@ for more details. You should have received a copy of the GNU General Public License - along with sane; see the file COPYING. If not, write to the Free - Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + along with sane; see the file COPYING. + If not, see <https://www.gnu.org/licenses/>. This file implements a SANE backend for eSCL scanners. */ @@ -29,8 +29,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> - -#include <curl/curl.h> +#include <unistd.h> #ifdef PATH_MAX # undef PATH_MAX @@ -38,12 +37,6 @@ #define PATH_MAX 4096 -struct uploading -{ - const char *read_data; - size_t size; -}; - struct downloading { char *memory; @@ -71,6 +64,7 @@ static const char settings[] = " <pwg:InputSource>%s</pwg:InputSource>" \ " <scan:InputSource>%s</scan:InputSource>" \ "%s" \ + "%s" \ "</scan:ScanSettings>"; /** @@ -114,6 +108,15 @@ download_callback(void *str, size_t size, size_t nmemb, void *userp) return (realsize); } +static char* +add_support_option(char *key, int val) +{ + int size = (strlen(key) * 3) + 10; + char *tmp = (char*)calloc(1, size); + snprintf (tmp, size, "<scan:%s>%d</scan:%s>\n", key, val, key); + return tmp; +} + /** * \fn char *escl_newjob (capabilities_t *scanner, const ESCL_Device *device, SANE_Status *status) * \brief Function that, using curl, uploads the data (composed by the scanner capabilities) to the @@ -128,7 +131,7 @@ escl_newjob (capabilities_t *scanner, const ESCL_Device *device, SANE_Status *st { CURL *curl_handle = NULL; int off_x = 0, off_y = 0; - struct uploading *upload = NULL; + struct downloading *upload = NULL; struct downloading *download = NULL; const char *scan_jobs = "/eSCL/ScanJobs"; char cap_data[PATH_MAX] = { 0 }; @@ -138,6 +141,7 @@ escl_newjob (capabilities_t *scanner, const ESCL_Device *device, SANE_Status *st char *f_ext = ""; char *format_ext = NULL; char duplex_mode[1024] = { 0 }; + int wakup_count = 0; *status = SANE_STATUS_GOOD; if (device == NULL || scanner == NULL) { @@ -145,7 +149,7 @@ escl_newjob (capabilities_t *scanner, const ESCL_Device *device, SANE_Status *st DBG( 1, "Create NewJob : the name or the scan are invalid.\n"); return (NULL); } - upload = (struct uploading *)calloc(1, sizeof(struct uploading)); + upload = (struct downloading *)calloc(1, sizeof(struct downloading)); if (upload == NULL) { *status = SANE_STATUS_NO_MEM; DBG( 1, "Create NewJob : memory allocation failure\n"); @@ -158,7 +162,33 @@ escl_newjob (capabilities_t *scanner, const ESCL_Device *device, SANE_Status *st *status = SANE_STATUS_NO_MEM; return (NULL); } - curl_handle = curl_easy_init(); + if (scanner->caps[scanner->source].default_format) + free(scanner->caps[scanner->source].default_format); + scanner->caps[scanner->source].default_format = NULL; + int have_png = scanner->caps[scanner->source].have_png; + int have_jpeg = scanner->caps[scanner->source].have_jpeg; + int have_tiff = scanner->caps[scanner->source].have_tiff; + int have_pdf = scanner->caps[scanner->source].have_pdf; + + if ((scanner->source == PLATEN && have_pdf == -1) || + (scanner->source > PLATEN)) { + if (have_tiff != -1) { + scanner->caps[scanner->source].default_format = + strdup(scanner->caps[scanner->source].DocumentFormats[have_tiff]); + } + else if (have_png != -1) { + scanner->caps[scanner->source].default_format = + strdup(scanner->caps[scanner->source].DocumentFormats[have_png]); + } + else if (have_jpeg != -1) { + scanner->caps[scanner->source].default_format = + strdup(scanner->caps[scanner->source].DocumentFormats[have_jpeg]); + } + } + else { + scanner->caps[scanner->source].default_format = + strdup(scanner->caps[scanner->source].DocumentFormats[have_pdf]); + } if (scanner->caps[scanner->source].format_ext == 1) { char f_ext_tmp[1024]; @@ -179,29 +209,71 @@ escl_newjob (capabilities_t *scanner, const ESCL_Device *device, SANE_Status *st off_x = (scanner->caps[scanner->source].pos_x > scanner->caps[scanner->source].width) / 2; if (scanner->caps[scanner->source].pos_y > scanner->caps[scanner->source].height) off_y = (scanner->caps[scanner->source].pos_y > scanner->caps[scanner->source].height) / 2; + + char support_options[1024]; + memset(support_options, 0, 1024); + char *source = (scanner->source == PLATEN ? "Platen" : "Feeder"); + if (scanner->use_threshold) + { + char *tmp = add_support_option("ThresholdSupport", scanner->val_threshold); + if (support_options[0]) + strcat(support_options, tmp); + else + strcpy(support_options, tmp); + free(tmp); + } + if (scanner->use_sharpen) + { + char *tmp = add_support_option("SharpenSupport", scanner->val_sharpen); + if (support_options[0]) + strcat(support_options, tmp); + else + strcpy(support_options, tmp); + free(tmp); + } + if (scanner->use_contrast) + { + char *tmp = add_support_option("ContrastSupport", scanner->val_contrast); + if (support_options[0]) + strcat(support_options, tmp); + else + strcpy(support_options, tmp); + free(tmp); + } + if (scanner->use_brightness) + { + char *tmp = add_support_option("BrightnessSupport", scanner->val_brightness); + if (support_options[0]) + strcat(support_options, tmp); + else + strcpy(support_options, tmp); + free(tmp); + } + snprintf(cap_data, sizeof(cap_data), settings, + scanner->caps[scanner->source].height, + scanner->caps[scanner->source].width, + off_x, + off_y, + scanner->caps[scanner->source].default_format, + format_ext, + scanner->caps[scanner->source].default_color, + scanner->caps[scanner->source].default_resolution, + scanner->caps[scanner->source].default_resolution, + source, + source, + duplex_mode[0] == 0 ? " " : duplex_mode, + support_options[0] == 0 ? " " : support_options); + upload->memory = strdup(cap_data); + upload->size = strlen(cap_data); +wake_up_device: + DBG( 1, "Create NewJob : %s\n", cap_data); + download->memory = malloc(1); + download->size = 0; + curl_handle = curl_easy_init(); if (curl_handle != NULL) { - char *source = (scanner->source == PLATEN ? "Platen" : "Feeder"); - snprintf(cap_data, sizeof(cap_data), settings, - scanner->caps[scanner->source].height, - scanner->caps[scanner->source].width, - off_x, - off_y, - scanner->caps[scanner->source].default_format, - format_ext, - scanner->caps[scanner->source].default_color, - scanner->caps[scanner->source].default_resolution, - scanner->caps[scanner->source].default_resolution, - source, - source, - duplex_mode[0] == 0 ? "" : duplex_mode); - DBG( 1, "Create NewJob : %s\n", cap_data); - upload->read_data = strdup(cap_data); - upload->size = strlen(cap_data); - download->memory = malloc(1); - download->size = 0; escl_curl_url(curl_handle, device, scan_jobs); curl_easy_setopt(curl_handle, CURLOPT_POST, 1L); - curl_easy_setopt(curl_handle, CURLOPT_POSTFIELDS, upload->read_data); + curl_easy_setopt(curl_handle, CURLOPT_POSTFIELDS, (const char*)upload->memory); curl_easy_setopt(curl_handle, CURLOPT_POSTFIELDSIZE, upload->size); curl_easy_setopt(curl_handle, CURLOPT_HEADERFUNCTION, download_callback); curl_easy_setopt(curl_handle, CURLOPT_HEADERDATA, (void *)download); @@ -224,6 +296,7 @@ escl_newjob (capabilities_t *scanner, const ESCL_Device *device, SANE_Status *st result = strdup(location); DBG( 1, "Create NewJob : %s\n", result); *temporary = '\n'; + wakup_count = 0; } } if (result == NULL) { @@ -231,6 +304,7 @@ escl_newjob (capabilities_t *scanner, const ESCL_Device *device, SANE_Status *st *status = SANE_STATUS_INVAL; } free(download->memory); + download->memory = NULL; } else { DBG( 1, "Create NewJob : The creation of the failed job: %s\n", download->memory); @@ -238,8 +312,10 @@ escl_newjob (capabilities_t *scanner, const ESCL_Device *device, SANE_Status *st if (strstr(download->memory, "409 Conflict") != NULL) *status = SANE_STATUS_NO_DOCS; // If "503 Service Unavailable" appear, it means that device is busy (scanning in progress) - else if (strstr(download->memory, "503 Service Unavailable") != NULL) + else if (strstr(download->memory, "503 Service Unavailable") != NULL) { + wakup_count += 1; *status = SANE_STATUS_DEVICE_BUSY; + } else *status = SANE_STATUS_INVAL; } @@ -252,8 +328,18 @@ escl_newjob (capabilities_t *scanner, const ESCL_Device *device, SANE_Status *st } curl_easy_cleanup(curl_handle); } - if (upload != NULL) + if (wakup_count > 0 && wakup_count < 4) { + free(download->memory); + download->memory = NULL; + download->size = 0; + *status = SANE_STATUS_GOOD; + usleep(250); + goto wake_up_device; + } + if (upload != NULL) { + free(upload->memory); free(upload); + } if (download != NULL) free(download); return (result); |