static gint gp_transport_papi_write (GnomePrintTransport *gp_transport, const guchar *buf, gint len) { GPTransportPAPI *transport; papi_status_t status; transport = GP_TRANSPORT_PAPI (gp_transport); g_return_val_if_fail (transport->service != NULL, GNOME_PRINT_ERROR_UNKNOWN); g_return_val_if_fail (transport->stream != NULL, GNOME_PRINT_ERROR_UNKNOWN); status = papiJobStreamWrite (transport->service, transport->stream, buf, len); if (status != PAPI_OK) { g_warning ("Writing output stream failed"); return GNOME_PRINT_ERROR_UNKNOWN; } return len; }
/* * When the PAPI supports papiJobCreate(), papiJobStreamAdd() and * papiJobClose(), this will be much cleaner and more efficient, but in the * meantime, we are using a private, non-standard interface to do this. */ papi_status_t ipp_send_document(papi_service_t svc, papi_attribute_t **request, papi_attribute_t ***response, ipp_reader_t iread, void *fd) { papi_status_t status; papi_stream_t s = NULL; papi_job_t j = NULL; papi_attribute_t **operational = NULL; papi_attribute_t **job_attributes = NULL; char *queue = NULL; ssize_t rc; int id = -1; char buf[BUFSIZ]; char last = PAPI_FALSE; char *keys[] = { "attributes-natural-language", "attributes-charset", "printer-uri", "job-id", "job-uri", "last-document", NULL }; /* Get operational attributes from the request */ (void) papiAttributeListGetCollection(request, NULL, "operational-attributes-group", &operational); /* * the operational-attributes-group must contain: * job-uri (or printer-uri/job-id) * last-document */ get_printer_id(operational, &queue, &id); if (id < 0) { ipp_set_status(response, PAPI_BAD_REQUEST, "missing job-uri or job-id"); return (PAPI_BAD_REQUEST); } else if (queue == NULL) { ipp_set_status(response, PAPI_BAD_REQUEST, "missing printer-uri or job-uri"); return (PAPI_BAD_REQUEST); } status = papiAttributeListGetBoolean(operational, NULL, "last-document", &last); if (status != PAPI_OK) { ipp_set_status(response, status, "last-document: %s", papiStatusString(status)); return (PAPI_BAD_REQUEST); } /* * the operational-attributes-group may contain: * document-name * compression * document-format * document-natural-language * Simply copy the entire contents of the operational-attributes-group * for the PAPI call's possible use. */ split_and_copy_attributes(keys, operational, NULL, &job_attributes); /* copy any job-attributes-group attributes for the PAPI call */ if (papiAttributeListGetCollection(request, NULL, "job-attributes-group", &operational) == PAPI_OK) copy_attributes(&job_attributes, operational); /* create a stream to write the document data on */ status = papiJobStreamAdd(svc, queue, id, &s); papiAttributeListFree(job_attributes); if (status != PAPI_OK) { ipp_set_status(response, status, "job submission: %s", ipp_svc_status_mesg(svc, status)); return (status); } /* copy the document data from the IPP connection to the stream */ while ((status == PAPI_OK) && ((rc = iread(fd, buf, sizeof (buf))) > 0)) status = papiJobStreamWrite(svc, s, buf, rc); if (status != PAPI_OK) { ipp_set_status(response, status, "write job data: %s", ipp_svc_status_mesg(svc, status)); return (status); } /* close the stream */ status = papiJobStreamClose(svc, s, &j); if (status != PAPI_OK) { ipp_set_status(response, status, "close job stream: %s", ipp_svc_status_mesg(svc, status)); papiJobFree(j); /* we shouldn't have a job, but just in case */ return (status); } /* if it's the last document, commit the job */ if (last == PAPI_TRUE) { status = papiJobCommit(svc, queue, id); } /* add the job attributes to the response in a job-attributes-group */ if (j != NULL) { papi_to_ipp_job_group(response, request, PAPI_ATTR_REPLACE, j); papiJobFree(j); } return (status); }