* Copyright (C) 2015 "IoT.bzh"
* Author "Fulup Ar Foll"
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <json.h>
-#include "local-def.h"
+#include "afb-plugin.h"
-// In this case or handle is quite basic
-typedef struct {
- int fd;
- char *path;
- json_object* jerror;
-} appPostCtx;
+// Sample Generic Ping Debug API
+static void getPingTest(struct afb_req request)
+{
+ static int pingcount = 0;
+ json_object *query = afb_req_json(request);
+
+ afb_req_success_f(request, query, "Ping Binder Daemon count=%d", ++pingcount);
+}
// With content-type=json data are directly avaliable in request->post->data
-STATIC json_object* GetJsonByPost (AFB_request *request) {
+static void GetJsonByPost (struct afb_req request)
+{
+ struct afb_arg arg;
json_object* jresp;
- char query [256];
- int len;
-
- // check if we have some post data
- if (request->post == NULL) request->post->data="NoData";
-
- // Get all query string [Note real app should probably use value=getQueryValue(request,"key")]
- len = getQueryAll (request, query, sizeof(query));
- if (len == 0) strncpy (query, "NoSearchQueryList", sizeof(query));
-
- // for debug/test return response to caller
- jresp = jsonNewMessage(AFB_SUCCESS, "GetJsonByPost query={%s} PostData: [%s]", query, request->post->data);
-
- return (jresp);
-}
+ json_object *query = afb_req_json(request);
-// This function is call when PostForm processing is completed
-STATIC void DonePostForm (AFB_request *request) {
-
- // Retrieve PostHandle Context from request
- AFB_PostHandle *postHandle = getPostHandle(request);
- appPostCtx *appCtx= (appPostCtx*) postHandle->ctx;
+ arg = afb_req_get(request, "");
+ jresp = arg.value ? json_tokener_parse(arg.value) : NULL;
+ afb_req_success_f(request, jresp, "GetJsonByPost query={%s}", json_object_to_json_string(query));
+}
- if (verbose) fprintf (stderr, "DonePostForm file=[%s]upload done\n", appCtx->path);
-
+// Upload a file and execute a function when upload is done
+static void Uploads (struct afb_req request, const char *destination)
+{
+ afb_req_fail_f(request, "unimplemented", "destination: %s", destination);
+}
+// Upload a file and execute a function when upload is done
+static void UploadAppli (struct afb_req request)
+{
+ Uploads(request, "applications");
}
+// Simples Upload case just upload a file
+static void UploadMusic (struct afb_req request)
+{
+ Uploads(request, "musics");
+}
// PostForm callback is called multiple times (one or each key within form, or once per file buffer)
-// When processing POST_FORM request->data holds a PostHandle and not data directly as for POST_JSON
-// When file has been fully uploaded call is call with item==NULL it is application responsibility to free appPostCtx
-STATIC json_object* UploadFile (AFB_request *request, AFB_PostItem *item) {
-
- AFB_PostHandle *postHandle = getPostHandle(request);
- appPostCtx *appCtx;
- char filepath[512];
- int len;
-
- // This is called after PostForm and then after DonePostForm
- if (item == NULL) {
- json_object* jresp;
- appCtx = (appPostCtx*) postHandle->ctx;
-
- // No Post Application Context [something really bad happen]
- if (appCtx == NULL) {
- request->errcode = MHD_HTTP_EXPECTATION_FAILED;
- return(jsonNewMessage(AFB_FAIL,"Error: PostForm no PostContext to free\n"));
- }
-
- // We have a context but last Xform iteration fail.
- if (appCtx->jerror != NULL) {
- request->errcode = MHD_HTTP_EXPECTATION_FAILED;
- jresp = appCtx->jerror; // retrieve previous error from postCtx
- } else jresp = jsonNewMessage(AFB_FAIL,"UploadFile Post Request file=[%s] done", appCtx->path);
-
- // Error or not let's free all resources
- close(appCtx->fd);
- free (appCtx->path);
- free (appCtx);
- return (jresp);
- }
-
- // Make sure it's a valid PostForm request
- if (!request->post && request->post->type != AFB_POST_FORM) {
- appCtx->jerror= jsonNewMessage(AFB_FAIL,"This is not a valid PostForm request\n");
- goto ExitOnError;
- }
-
- // Check this is a file element
- if (item->filename == NULL) {
- appCtx->jerror= jsonNewMessage(AFB_FAIL,"No Filename attached to key=%s\n", item->key);
- goto ExitOnError;
- }
-
- // Check we got something in buffer
- if (item->len <= 0) {
- appCtx->jerror= jsonNewMessage(AFB_FAIL,"Buffer size NULL key=%s]\n", item->key);
- goto ExitOnError;
- }
-
- // Extract Application Context from posthandle [NULL == 1st iteration]
- appCtx = (appPostCtx*) postHandle->ctx;
-
- // This is the 1st Item iteration let's open output file and allocate necessary resources
- if (appCtx == NULL) {
- // Create an application specific context
- appCtx = calloc (1, sizeof(appPostCtx)); // May place anything here until post->completeCB handle resources liberation
- appCtx->path = strdup (filepath);
-
- // attach application to postHandle
- postHandle->ctx = (void*) appCtx; // May place anything here until post->completeCB handle resources liberation
-
- // Allocate an application specific handle to this post
- strncpy (filepath, request->config->sessiondir, sizeof(filepath));
- strncat (filepath, "/", sizeof(filepath));
- strncat (filepath, item->filename, sizeof(filepath));
-
- if((appCtx->fd = open(filepath, O_RDWR |O_CREAT, S_IRWXU|S_IRGRP)) < 0) {
- appCtx->jerror= jsonNewMessage(AFB_FAIL,"Fail to Create destination=[%s] error=%s\n", filepath, strerror(errno));
- goto ExitOnError;
- }
- } else {
- // reuse existing application context
- appCtx = (appPostCtx*) postHandle->ctx;
- }
-
- // Check we successfully wrote full buffer
- len = write (appCtx->fd, item->data, item->len);
- if (item->len != len) {
- appCtx->jerror= jsonNewMessage(AFB_FAIL,"Fail to write file [%s] at [%s] error=\n", item->filename, strerror(errno));
- goto ExitOnError;
- }
-
- // every intermediary iteration should return Success & NULL
- request->errcode = MHD_HTTP_OK;
- return NULL;
-
-ExitOnError:
- request->errcode = MHD_HTTP_EXPECTATION_FAILED;
- return NULL;
+// When file has been fully uploaded call is call with item==NULL
+static void UploadImage (struct afb_req request)
+{
+ Uploads(request, "images");
}
// NOTE: this sample does not use session to keep test a basic as possible
// in real application upload-xxx should be protected with AFB_SESSION_CHECK
-STATIC AFB_restapi pluginApis[]= {
- {"ping" , AFB_SESSION_NONE , (AFB_apiCB)apiPingTest ,"Ping Rest Test Service"},
- {"upload-json" , AFB_SESSION_NONE , (AFB_apiCB)GetJsonByPost ,"Demo for Json Buffer on Post"},
- {"upload-image" , AFB_SESSION_NONE , (AFB_apiCB)UploadFile ,"Demo for file upload"},
- {"upload-music" , AFB_SESSION_NONE , (AFB_apiCB)UploadFile ,"Demo for file upload"},
- {"upload-appli" , AFB_SESSION_NONE , (AFB_apiCB)UploadFile ,"Demo for file upload"},
+static const struct AFB_restapi pluginApis[]= {
+ {"ping" , AFB_SESSION_NONE , getPingTest ,"Ping Rest Test Service"},
+ {"upload-json" , AFB_SESSION_NONE , GetJsonByPost ,"Demo for Json Buffer on Post"},
+ {"upload-image" , AFB_SESSION_NONE , UploadImage ,"Demo for file upload"},
+ {"upload-music" , AFB_SESSION_NONE , UploadMusic ,"Demo for file upload"},
+ {"upload-appli" , AFB_SESSION_NONE , UploadAppli ,"Demo for file upload"},
{NULL}
};
-PUBLIC AFB_plugin *pluginRegister () {
- AFB_plugin *plugin = malloc (sizeof (AFB_plugin));
- plugin->type = AFB_PLUGIN_JSON;
- plugin->info = "Application Framework Binder Service";
- plugin->prefix= "post"; // url base
- plugin->apis = pluginApis;
- plugin->handle= (void*) "What ever you want";
-
- return (plugin);
+static const struct AFB_plugin plugin_desc = {
+ .type = AFB_PLUGIN_JSON,
+ .info = "Sample with Post Upload Files",
+ .prefix = "post",
+ .apis = pluginApis
+};
+
+const struct AFB_plugin *pluginRegister (const struct AFB_interface *itf)
+{
+ return &plugin_desc;
};
Code Review / src / app-framework-binder.git / blobdiff