e3784fa9c7
Modify all callback functions to use new signature. ota-update now uses this to pass the partition to some get/put methods.
125 lines
2.7 KiB
C
125 lines
2.7 KiB
C
/**
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* \file
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* Resource for crontab entry
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* \author
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* Ralf Schlatterbeck <rsc@runtux.com>
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*
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* \brief get/put crontab entry
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "contiki.h"
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#include "time_resource.h"
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#include "jsonparse.h"
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#include "er-coap.h"
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#include "generic_resource.h"
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#include "cron.h"
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static size_t get_index_from_uri (const char *uri)
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{
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const char *s;
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char *endptr;
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size_t idx;
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if (uri == NULL) {
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return MAX_CRON_ENTRIES;
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}
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if (NULL == (s = strrchr (uri, '/'))) {
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return MAX_CRON_ENTRIES;
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}
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idx = strtoul (s+1, &endptr, 10);
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if (s == endptr || *endptr != '\0') {
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return MAX_CRON_ENTRIES;
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}
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return idx;
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}
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int crontab_from_string
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(const char *name, const char *uri, const char *query, const char *s)
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{
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const char *err;
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int res;
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size_t idx = get_index_from_uri (uri);
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if (idx >= MAX_CRON_ENTRIES) {
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return -1;
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}
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res = parse_crontab_line (s, get_cron_entry (idx), &err);
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if (res < 0) {
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printf ("Error parsing: %s\n", err);
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return -1;
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}
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return 0;
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}
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size_t
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crontab_to_string
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( const char *name
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, const char *uri
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, const char *query
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, char *buf
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, size_t bsize
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)
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{
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/* FIXME: For now we only return "valid" or "invalid" until someone
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* comes up with a clever algorithm to reconstruct a crontab string
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* from the cron_entry struct.
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*/
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size_t idx = get_index_from_uri (uri);
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struct cron_entry *e;
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if (idx >= MAX_CRON_ENTRIES) {
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return MAX_GET_STRING_LENGTH;
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}
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e = get_cron_entry (idx);
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if (e->flags & VALID) {
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return snprintf (buf, bsize, "valid");
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}
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return snprintf (buf, bsize, "invalid");
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}
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GENERIC_RESOURCE
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( crontab
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, crontab-entry
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, s
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, 1
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, crontab_from_string
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, crontab_to_string
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);
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/* Allocate all cron entries and the necessary resources */
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void activate_cron_resources (void)
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{
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size_t n;
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for (n=0; n<MAX_CRON_ENTRIES; n++) {
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resource_t *res;
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char *buf;
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size_t len;
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struct cron_entry *e;
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char name [15];
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/* Need to copy the resource because resource->url holds the path
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* under which we activate it using rest_activate_resource
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*/
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if (NULL == (res = malloc (sizeof (*res)))) {
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printf ("Error malloc\n");
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break;
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}
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memcpy (res, &res_crontab, sizeof (*res));
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e = allocate_cron_entry ();
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assert (!(e->flags & VALID));
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len = snprintf (name, sizeof (name), "crontab/%u", n);
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name [sizeof (name) -1] = '\0';
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assert (len < 15);
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if (NULL == (buf = malloc (len + 1))) {
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printf ("Error malloc\n");
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break;
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}
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strcpy (buf, name);
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rest_activate_resource (res, buf);
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}
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}
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/*
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* VI settings, see coding style
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* ex:ts=8:et:sw=2
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*/
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