2 * Copyright (C) 2015 "IoT.bzh"
3 * Author "Fulup Ar Foll"
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 https://www.gnu.org/software/libmicrohttpd/manual/html_node/index.html#Top
20 http://www-01.ibm.com/support/knowledgecenter/SSB23S_1.1.0.9/com.ibm.ztpf-ztpfdf.doc_put.09/gtpc2/cpp_vsprintf.html?cp=SSB23S_1.1.0.9%2F0-3-8-1-0-16-8
25 #include "../include/local-def.h"
28 #include <sys/types.h>
31 #define AFB_CONFIG_JTYPE "AFB_config"
33 PUBLIC char *ERROR_LABEL[]=ERROR_LABEL_DEF;
36 STATIC AFB_errorT AFBerr [AFB_SUCCESS+1];
37 STATIC json_object *jTypeStatic;
39 /* ------------------------------------------------------------------------------
40 * Get localtime and return in a string
41 * ------------------------------------------------------------------------------ */
43 PUBLIC char * configTime (void) {
44 static char reqTime [26];
48 /* Get actual Date and Time */
52 strftime (reqTime, sizeof (reqTime), "(%d-%b %H:%M)",rt);
54 // return pointer on static data
58 // load config from disk and merge with CLI option
59 PUBLIC AFB_error configLoadFile (AFB_session * session, AFB_config *cliconfig) {
60 static char cacheTimeout [10];
62 json_object * AFBConfig, *value;
64 // TBD integrate alias-dir array with config-file
65 session->config->aliasdir = cliconfig->aliasdir;
68 if (cliconfig->httpdPort == 0) session->config->httpdPort=1234;
69 else session->config->httpdPort=cliconfig->httpdPort;
71 // default Plugin API timeout
72 if (cliconfig->apiTimeout == 0) session->config->apiTimeout=0;
73 else session->config->apiTimeout=cliconfig->apiTimeout;
75 // cache timeout default one hour
76 if (cliconfig->cacheTimeout == 0) session->config->cacheTimeout=3600;
77 else session->config->cacheTimeout=cliconfig->cacheTimeout;
79 if (cliconfig->rootdir == NULL) {
80 session->config->rootdir = getenv("AFBDIR");
81 if (session->config->rootdir == NULL) {
82 session->config->rootdir = malloc (512);
83 strncpy (session->config->rootdir, getenv("HOME"),512);
84 strncat (session->config->rootdir, "/.AFB",512);
86 // if directory does not exist createit
87 mkdir (session->config->rootdir, O_RDWR | S_IRWXU | S_IRGRP);
89 session->config->rootdir = cliconfig->rootdir;
92 // if no Angular/HTML5 rootbase let's try '/' as default
93 if (cliconfig->rootbase == NULL) {
94 session->config->rootbase = "/opa";
96 session->config->rootbase= cliconfig->rootbase;
99 if (cliconfig->rootapi == NULL) {
100 session->config->rootapi = "/api";
102 session->config->rootapi= cliconfig->rootapi;
105 if (cliconfig->smack == NULL) {
106 session->config->smack = "demo";
108 session->config->smack= cliconfig->smack;
111 if (cliconfig->smack == NULL) {
112 session->config->plugins = "all";
114 session->config->plugins= cliconfig->plugins;
117 // if no session dir create a default path from rootdir
118 if (cliconfig->sessiondir == NULL) {
119 session->config->sessiondir = malloc (512);
120 strncpy (session->config->sessiondir, session->config->rootdir, 512);
121 strncat (session->config->sessiondir, "/sessions",512);
123 session->config->sessiondir = cliconfig->sessiondir;
126 // if no config dir create a default path from sessiondir
127 if (cliconfig->configfile == NULL) {
128 session->config->configfile = malloc (512);
129 strncpy (session->config->configfile, session->config->sessiondir, 512);
130 strncat (session->config->configfile, "/AFB-config.json",512);
132 session->config->configfile = cliconfig->configfile;
135 // if no config dir create a default path from sessiondir
136 if (cliconfig->pidfile == NULL) {
137 session->config->pidfile = malloc (512);
138 strncpy (session->config->pidfile, session->config->sessiondir, 512);
139 strncat (session->config->pidfile, "/AFB-process.pid",512);
141 session->config->pidfile= cliconfig->pidfile;
144 // if no config dir create a default path from sessiondir
145 if (cliconfig->console == NULL) {
146 session->config->console = malloc (512);
147 strncpy (session->config->console, session->config->sessiondir, 512);
148 strncat (session->config->console, "/AFB-console.out",512);
150 session->config->console= cliconfig->console;
153 // just upload json object and return without any further processing
154 if((fd = open(session->config->configfile, O_RDONLY)) < 0) {
155 if (verbose) fprintf (stderr, "AFB:notice: config at %s: %s\n", session->config->configfile, strerror(errno));
159 // openjson from FD is not public API we need to reopen it !!!
161 AFBConfig = json_object_from_file (session->config->configfile);
163 // check it is an AFB_config
164 if (json_object_object_get_ex (AFBConfig, "jtype", &value)) {
165 if (strcmp (AFB_CONFIG_JTYPE, json_object_get_string (value))) {
166 fprintf (stderr,"AFB: Error file [%s] is not a valid [%s] type\n ", session->config->configfile, AFB_CONFIG_JTYPE);
171 if (!cliconfig->rootdir && json_object_object_get_ex (AFBConfig, "rootdir", &value)) {
172 session->config->rootdir = strdup (json_object_get_string (value));
175 if (!cliconfig->rootbase && json_object_object_get_ex (AFBConfig, "rootbase", &value)) {
176 session->config->rootbase = strdup (json_object_get_string (value));
179 if (!cliconfig->rootapi && json_object_object_get_ex (AFBConfig, "rootapi", &value)) {
180 session->config->rootapi = strdup (json_object_get_string (value));
183 if (!cliconfig->smack && json_object_object_get_ex (AFBConfig, "smack", &value)) {
184 session->config->smack = strdup (json_object_get_string (value));
187 if (!cliconfig->plugins && json_object_object_get_ex (AFBConfig, "plugins", &value)) {
188 session->config->plugins = strdup (json_object_get_string (value));
191 if (!cliconfig->sessiondir && json_object_object_get_ex (AFBConfig, "sessiondir", &value)) {
192 session->config->sessiondir = strdup (json_object_get_string (value));
195 if (!cliconfig->pidfile && json_object_object_get_ex (AFBConfig, "pidfile", &value)) {
196 session->config->pidfile = strdup (json_object_get_string (value));
199 if (!cliconfig->httpdPort && json_object_object_get_ex (AFBConfig, "httpdPort", &value)) {
200 session->config->httpdPort = json_object_get_int (value);
203 if (!cliconfig->setuid && json_object_object_get_ex (AFBConfig, "setuid", &value)) {
204 session->config->setuid = json_object_get_int (value);
207 if (!cliconfig->localhostOnly && json_object_object_get_ex (AFBConfig, "localhostonly", &value)) {
208 session->config->localhostOnly = json_object_get_int (value);
211 if (!cliconfig->cacheTimeout && json_object_object_get_ex (AFBConfig, "cachetimeout", &value)) {
212 session->config->cacheTimeout = json_object_get_int (value);
215 if (!cliconfig->apiTimeout && json_object_object_get_ex (AFBConfig, "apitimeout", &value)) {
216 session->config->apiTimeout = json_object_get_int (value);
219 // cacheTimeout is an integer but HTTPd wants it as a string
220 snprintf (cacheTimeout, sizeof (cacheTimeout),"%d", session->config->cacheTimeout);
221 session->cacheTimeout = cacheTimeout; // httpd uses cacheTimeout string version
223 json_object_put (AFBConfig); // decrease reference count to free the json object
230 // Save the config on disk
231 PUBLIC void configStoreFile (AFB_session * session) {
232 json_object * AFBConfig;
234 struct tm * timeinfo;
237 AFBConfig = json_object_new_object();
239 // add a timestamp and store session on disk
240 time ( &rawtime ); timeinfo = localtime ( &rawtime );
241 // A copy of the string is made and the memory is managed by the json_object
242 json_object_object_add (AFBConfig, "jtype" , json_object_new_string (AFB_CONFIG_JTYPE));
243 json_object_object_add (AFBConfig, "timestamp" , json_object_new_string (asctime (timeinfo)));
244 json_object_object_add (AFBConfig, "rootdir" , json_object_new_string (session->config->rootdir));
245 json_object_object_add (AFBConfig, "rootapi" , json_object_new_string (session->config->rootapi));
246 json_object_object_add (AFBConfig, "rootbase" , json_object_new_string (session->config->rootbase));
247 json_object_object_add (AFBConfig, "smack" , json_object_new_string (session->config->smack));
248 json_object_object_add (AFBConfig, "plugins" , json_object_new_string (session->config->plugins));
249 json_object_object_add (AFBConfig, "sessiondir" , json_object_new_string (session->config->sessiondir));
250 json_object_object_add (AFBConfig, "pidfile" , json_object_new_string (session->config->pidfile));
251 json_object_object_add (AFBConfig, "httpdPort" , json_object_new_int (session->config->httpdPort));
252 json_object_object_add (AFBConfig, "setuid" , json_object_new_int (session->config->setuid));
253 json_object_object_add (AFBConfig, "localhostonly" , json_object_new_int (session->config->localhostOnly));
254 json_object_object_add (AFBConfig, "cachetimeout" , json_object_new_int (session->config->cacheTimeout));
255 json_object_object_add (AFBConfig, "apitimeout" , json_object_new_int (session->config->apiTimeout));
257 err = json_object_to_file (session->config->configfile, AFBConfig);
258 json_object_put (AFBConfig); // decrease reference count to free the json object
260 fprintf(stderr, "AFB: Fail to save config on disk [%s]\n ", session->config->configfile);
265 PUBLIC AFB_session *configInit () {
267 AFB_session *session;
272 session = malloc (sizeof (AFB_session));
273 memset (session,0, sizeof (AFB_session));
275 // create config handle
276 config = malloc (sizeof (AFB_config));
277 memset (config,0, sizeof (AFB_config));
279 // stack config handle into session
280 session->config = config;
282 jTypeStatic = json_object_new_string ("AFB_message");
284 // initialise JSON constant messages and increase reference count to make them permanent
285 verbosesav = verbose;
286 verbose = 0; // run initialisation in silent mode
289 for (idx = 0; idx <= AFB_SUCCESS; idx++) {
290 AFBerr[idx].level = idx;
291 AFBerr[idx].label = ERROR_LABEL [idx];
292 AFBerr[idx].json = jsonNewMessage (idx, NULL);
294 verbose = verbosesav;
297 initPlugins (session);
303 // get JSON object from error level and increase its reference count
304 PUBLIC json_object *jsonNewStatus (AFB_error level) {
306 json_object *target = AFBerr[level].json;
307 json_object_get (target);
312 // get AFB object type with adequate usage count
313 PUBLIC json_object *jsonNewjtype (void) {
314 json_object_get (jTypeStatic); // increase reference count
315 return (jTypeStatic);
318 // build an ERROR message and return it as a valid json object
319 PUBLIC json_object *jsonNewMessage (AFB_error level, char* format, ...) {
320 static int count = 0;
321 json_object * AFBResponse;
326 if (format != NULL) {
327 va_start(args, format);
328 vsnprintf (message, sizeof (message), format, args);
332 AFBResponse = json_object_new_object();
333 json_object_object_add (AFBResponse, "jtype", jsonNewjtype ());
334 json_object_object_add (AFBResponse, "status" , json_object_new_string (ERROR_LABEL[level]));
335 if (format != NULL) {
336 json_object_object_add (AFBResponse, "info" , json_object_new_string (message));
339 fprintf (stderr, "AFB:%-6s [%3d]: ", AFBerr [level].label, count++);
340 if (format != NULL) {
341 fprintf (stderr, "%s", message);
343 fprintf (stderr, "No Message");
345 fprintf (stderr, "\n");
348 return (AFBResponse);
351 // Dump a message on stderr
352 PUBLIC void jsonDumpObject (json_object * jObject) {
355 fprintf (stderr, "AFB:dump [%s]\n", json_object_to_json_string(jObject));