Mercurial > hg > orthanc
view Plugins/Samples/Basic/Plugin.c @ 1312:b82a3c05b66b
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 11 Feb 2015 11:08:39 +0100 |
parents | 6e7e5ed91c2d |
children | 3d76e26b3865 |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, * modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. **/ #include <OrthancCPlugin.h> #include <string.h> #include <stdio.h> static OrthancPluginContext* context = NULL; ORTHANC_PLUGINS_API int32_t Callback1(OrthancPluginRestOutput* output, const char* url, const OrthancPluginHttpRequest* request) { char buffer[1024]; uint32_t i; sprintf(buffer, "Callback on URL [%s] with body [%s]\n", url, request->body); OrthancPluginLogWarning(context, buffer); OrthancPluginSetCookie(context, output, "hello", "world"); OrthancPluginAnswerBuffer(context, output, buffer, strlen(buffer), "text/plain"); OrthancPluginLogWarning(context, ""); for (i = 0; i < request->groupsCount; i++) { sprintf(buffer, " REGEX GROUP %d = [%s]", i, request->groups[i]); OrthancPluginLogWarning(context, buffer); } OrthancPluginLogWarning(context, ""); for (i = 0; i < request->getCount; i++) { sprintf(buffer, " GET [%s] = [%s]", request->getKeys[i], request->getValues[i]); OrthancPluginLogWarning(context, buffer); } OrthancPluginLogWarning(context, ""); for (i = 0; i < request->headersCount; i++) { sprintf(buffer, " HEADERS [%s] = [%s]", request->headersKeys[i], request->headersValues[i]); OrthancPluginLogWarning(context, buffer); } OrthancPluginLogWarning(context, ""); return 1; } ORTHANC_PLUGINS_API int32_t Callback2(OrthancPluginRestOutput* output, const char* url, const OrthancPluginHttpRequest* request) { /* Answer with a sample 16bpp image. */ uint16_t buffer[256 * 256]; uint32_t x, y, value; if (request->method != OrthancPluginHttpMethod_Get) { OrthancPluginSendMethodNotAllowed(context, output, "GET"); } else { value = 0; for (y = 0; y < 256; y++) { for (x = 0; x < 256; x++, value++) { buffer[value] = value; } } OrthancPluginCompressAndAnswerPngImage(context, output, OrthancPluginPixelFormat_Grayscale16, 256, 256, sizeof(uint16_t) * 256, buffer); } return 0; } ORTHANC_PLUGINS_API int32_t Callback3(OrthancPluginRestOutput* output, const char* url, const OrthancPluginHttpRequest* request) { if (request->method != OrthancPluginHttpMethod_Get) { OrthancPluginSendMethodNotAllowed(context, output, "GET"); } else { OrthancPluginMemoryBuffer dicom; if (!OrthancPluginGetDicomForInstance(context, &dicom, request->groups[0])) { /* No error, forward the DICOM file */ OrthancPluginAnswerBuffer(context, output, dicom.data, dicom.size, "application/dicom"); /* Free memory */ OrthancPluginFreeMemoryBuffer(context, &dicom); } } return 0; } ORTHANC_PLUGINS_API int32_t Callback4(OrthancPluginRestOutput* output, const char* url, const OrthancPluginHttpRequest* request) { /* Answer with a sample 8bpp image. */ uint8_t buffer[256 * 256]; uint32_t x, y, value; if (request->method != OrthancPluginHttpMethod_Get) { OrthancPluginSendMethodNotAllowed(context, output, "GET"); } else { value = 0; for (y = 0; y < 256; y++) { for (x = 0; x < 256; x++, value++) { buffer[value] = x; } } OrthancPluginCompressAndAnswerPngImage(context, output, OrthancPluginPixelFormat_Grayscale8, 256, 256, 256, buffer); } return 0; } ORTHANC_PLUGINS_API int32_t Callback5(OrthancPluginRestOutput* output, const char* url, const OrthancPluginHttpRequest* request) { /** * Demonstration the difference between the * "OrthancPluginRestApiXXX()" and the * "OrthancPluginRestApiXXXAfterPlugins()" mechanisms to forward * REST calls. * * # curl http://localhost:8042/forward/built-in/system * # curl http://localhost:8042/forward/plugins/system * # curl http://localhost:8042/forward/built-in/plugin/image * => FAILURE (because the "/plugin/image" URI is implemented by this plugin) * # curl http://localhost:8042/forward/plugins/plugin/image => SUCCESS **/ OrthancPluginMemoryBuffer tmp; int isBuiltIn, error; if (request->method != OrthancPluginHttpMethod_Get) { OrthancPluginSendMethodNotAllowed(context, output, "GET"); return 0; } isBuiltIn = strcmp("plugins", request->groups[0]); if (isBuiltIn) { error = OrthancPluginRestApiGet(context, &tmp, request->groups[1]); } else { printf("ICI1\n"); error = OrthancPluginRestApiGetAfterPlugins(context, &tmp, request->groups[1]); printf("ICI2\n"); } if (error) { return -1; } else { OrthancPluginAnswerBuffer(context, output, tmp.data, tmp.size, "application/octet-stream"); OrthancPluginFreeMemoryBuffer(context, &tmp); return 0; } } ORTHANC_PLUGINS_API int32_t CallbackCreateDicom(OrthancPluginRestOutput* output, const char* url, const OrthancPluginHttpRequest* request) { const char* pathLocator = "\"Path\" : \""; char info[1024]; char *id, *eos; OrthancPluginMemoryBuffer tmp; if (request->method != OrthancPluginHttpMethod_Post) { OrthancPluginSendMethodNotAllowed(context, output, "POST"); } else { /* Make POST request to create a new DICOM instance */ sprintf(info, "{\"PatientName\":\"Test\"}"); OrthancPluginRestApiPost(context, &tmp, "/tools/create-dicom", info, strlen(info)); /** * Recover the ID of the created instance is constructed by a * quick-and-dirty parsing of a JSON string. **/ id = strstr((char*) tmp.data, pathLocator) + strlen(pathLocator); eos = strchr(id, '\"'); eos[0] = '\0'; /* Delete the newly created DICOM instance. */ OrthancPluginRestApiDelete(context, id); OrthancPluginFreeMemoryBuffer(context, &tmp); /* Set some cookie */ OrthancPluginSetCookie(context, output, "hello", "world"); /* Set some HTTP header */ OrthancPluginSetHttpHeader(context, output, "Cache-Control", "max-age=0, no-cache"); OrthancPluginAnswerBuffer(context, output, "OK\n", 3, "text/plain"); } return 0; } ORTHANC_PLUGINS_API int32_t OnStoredCallback(OrthancPluginDicomInstance* instance, const char* instanceId) { char buffer[256]; FILE* fp; char* json; static int first = 1; sprintf(buffer, "Just received a DICOM instance of size %d and ID %s from AET %s", (int) OrthancPluginGetInstanceSize(context, instance), instanceId, OrthancPluginGetInstanceRemoteAet(context, instance)); OrthancPluginLogWarning(context, buffer); fp = fopen("PluginReceivedInstance.dcm", "wb"); fwrite(OrthancPluginGetInstanceData(context, instance), OrthancPluginGetInstanceSize(context, instance), 1, fp); fclose(fp); json = OrthancPluginGetInstanceSimplifiedJson(context, instance); if (first) { /* Only print the first DICOM instance */ printf("[%s]\n", json); first = 0; } OrthancPluginFreeString(context, json); if (OrthancPluginHasInstanceMetadata(context, instance, "ReceptionDate")) { printf("Received on [%s]\n", OrthancPluginGetInstanceMetadata(context, instance, "ReceptionDate")); } else { OrthancPluginLogError(context, "Instance has no reception date, should never happen!"); } return 0; } ORTHANC_PLUGINS_API int32_t OnChangeCallback(OrthancPluginChangeType changeType, OrthancPluginResourceType resourceType, const char* resourceId) { char info[1024]; OrthancPluginMemoryBuffer tmp; sprintf(info, "Change %d on resource %s of type %d", changeType, resourceId, resourceType); OrthancPluginLogWarning(context, info); if (changeType == OrthancPluginChangeType_NewInstance) { sprintf(info, "/instances/%s/metadata/AnonymizedFrom", resourceId); if (OrthancPluginRestApiGet(context, &tmp, info) == 0) { sprintf(info, " Instance %s comes from the anonymization of instance", resourceId); strncat(info, (const char*) tmp.data, tmp.size); OrthancPluginLogWarning(context, info); OrthancPluginFreeMemoryBuffer(context, &tmp); } } return 0; } ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c) { OrthancPluginMemoryBuffer tmp; char info[1024], *s; int counter, i; context = c; OrthancPluginLogWarning(context, "Sample plugin is initializing"); /* Check the version of the Orthanc core */ if (OrthancPluginCheckVersion(c) == 0) { sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", c->orthancVersion, ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); OrthancPluginLogError(context, info); return -1; } /* Print some information about Orthanc */ sprintf(info, "The version of Orthanc is '%s'", context->orthancVersion); OrthancPluginLogWarning(context, info); s = OrthancPluginGetOrthancPath(context); sprintf(info, " Path to Orthanc: %s", s); OrthancPluginLogWarning(context, info); OrthancPluginFreeString(context, s); s = OrthancPluginGetOrthancDirectory(context); sprintf(info, " Directory of Orthanc: %s", s); OrthancPluginLogWarning(context, info); OrthancPluginFreeString(context, s); s = OrthancPluginGetConfigurationPath(context); sprintf(info, " Path to configuration file: %s", s); OrthancPluginLogWarning(context, info); OrthancPluginFreeString(context, s); /* Print the command-line arguments of Orthanc */ counter = OrthancPluginGetCommandLineArgumentsCount(context); for (i = 0; i < counter; i++) { s = OrthancPluginGetCommandLineArgument(context, i); sprintf(info, " Command-line argument %d: \"%s\"", i, s); OrthancPluginLogWarning(context, info); OrthancPluginFreeString(context, s); } /* Register the callbacks */ OrthancPluginRegisterRestCallback(context, "/(plu.*)/hello", Callback1); OrthancPluginRegisterRestCallback(context, "/plu.*/image", Callback2); OrthancPluginRegisterRestCallback(context, "/plugin/instances/([^/]+)/info", Callback3); OrthancPluginRegisterRestCallback(context, "/instances/([^/]+)/preview", Callback4); OrthancPluginRegisterRestCallback(context, "/forward/(built-in)(/.+)", Callback5); OrthancPluginRegisterRestCallback(context, "/forward/(plugins)(/.+)", Callback5); OrthancPluginRegisterRestCallback(context, "/plugin/create", CallbackCreateDicom); OrthancPluginRegisterOnStoredInstanceCallback(context, OnStoredCallback); OrthancPluginRegisterOnChangeCallback(context, OnChangeCallback); /* Declare several properties of the plugin */ OrthancPluginSetRootUri(context, "/plugin/hello"); OrthancPluginSetDescription(context, "This is the description of the sample plugin that can be seen in Orthanc Explorer."); OrthancPluginExtendOrthancExplorer(context, "alert('Hello Orthanc! From sample plugin with love.');"); /* Make REST requests to the built-in Orthanc API */ OrthancPluginRestApiGet(context, &tmp, "/changes"); OrthancPluginFreeMemoryBuffer(context, &tmp); OrthancPluginRestApiGet(context, &tmp, "/changes?limit=1"); OrthancPluginFreeMemoryBuffer(context, &tmp); /* Play with PUT by defining a new target modality. */ sprintf(info, "[ \"STORESCP\", \"localhost\", 2000 ]"); OrthancPluginRestApiPut(context, &tmp, "/modalities/demo", info, strlen(info)); /* Play with global properties: A global counter is incremented each time the plugin starts. */ s = OrthancPluginGetGlobalProperty(context, 1024, "0"); sscanf(s, "%d", &counter); sprintf(info, "Number of times this plugin was started: %d", counter); OrthancPluginLogWarning(context, info); counter++; sprintf(info, "%d", counter); OrthancPluginSetGlobalProperty(context, 1024, info); OrthancPluginFreeString(context, s); return 0; } ORTHANC_PLUGINS_API void OrthancPluginFinalize() { OrthancPluginLogWarning(context, "Sample plugin is finalizing"); } ORTHANC_PLUGINS_API const char* OrthancPluginGetName() { return "sample"; } ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() { return "1.0"; }