-/*
+/* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
+ * vim: ts=4 sw=4 noet ai cindent syntax=c
+ *
* Conky, a system monitor, based on torsmo
*
* Please see COPYING for details
*
- * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
+ * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
* (see AUTHORS)
* All rights reserved.
*
*
*/
-/*
- * TODO: Add weather forecast info from weather.com
- *
- */
-
+#include "config.h"
#include "conky.h"
#include "logging.h"
#include "weather.h"
#include "temphelper.h"
+#include "text_object.h"
#include "ccurl_thread.h"
#include <time.h>
#include <ctype.h>
#ifdef XOAP
#include <libxml/parser.h>
#include <libxml/xpath.h>
+#endif /* XOAP */
+
+/* WEATHER data */
+typedef struct PWEATHER_ {
+ char lastupd[32];
+#ifdef XOAP
+ char xoap_t[32];
+ char icon[3];
+#endif /* XOAP */
+ int temp;
+ int dew;
+ int cc;
+ int bar;
+ int wind_s;
+ int wind_d;
+ int hmid;
+ int wc;
+} PWEATHER;
+
+#ifdef XOAP
+#define FORECAST_DAYS 5
+typedef struct PWEATHER_FORECAST_ {
+ int hi[FORECAST_DAYS];
+ int low[FORECAST_DAYS];
+ char icon[FORECAST_DAYS][3];
+ char xoap_t[FORECAST_DAYS][32];
+ char day[FORECAST_DAYS][9];
+ char date[FORECAST_DAYS][7];
+ int wind_s[FORECAST_DAYS];
+ int wind_d[FORECAST_DAYS];
+ int hmid[FORECAST_DAYS];
+ int ppcp[FORECAST_DAYS];
+} PWEATHER_FORECAST;
/* Xpath expressions for XOAP xml parsing */
-#define NUM_XPATH_EXPRESSIONS 7
-const char *xpath_expression[NUM_XPATH_EXPRESSIONS] = {
+#define NUM_XPATH_EXPRESSIONS_CC 8
+const char *xpath_expression_cc[NUM_XPATH_EXPRESSIONS_CC] = {
"/weather/cc/lsup", "/weather/cc/tmp", "/weather/cc/t",
"/weather/cc/bar/r", "/weather/cc/wind/s", "/weather/cc/wind/d",
- "/weather/cc/hmid"
+ "/weather/cc/hmid", "/weather/cc/icon"
+};
+
+#define NUM_XPATH_EXPRESSIONS_DF 10
+const char *xpath_expression_df[NUM_XPATH_EXPRESSIONS_DF] = {
+ "/weather/dayf/day[*]/hi", "/weather/dayf/day[*]/low",
+ "/weather/dayf/day[*]/part[1]/icon", "/weather/dayf/day[*]/part[1]/t",
+ "/weather/dayf/day[*]/part[1]/wind/s","/weather/dayf/day[*]/part[1]/wind/d",
+ "/weather/dayf/day[*]/part[1]/ppcp", "/weather/dayf/day[*]/part[1]/hmid",
+ "/weather/dayf/day[*]/@t", "/weather/dayf/day[*]/@dt"
};
#endif /* XOAP */
"FC", "PO", "SQ", "SS", "DS"
};
-static ccurl_location_t *locations_head = 0;
+static ccurl_location_t *locations_head_cc = 0;
+#ifdef XOAP
+static ccurl_location_t *locations_head_df = 0;
+#endif
+
+struct weather_data {
+ char uri[128];
+ char data_type[32];
+ int interval;
+};
+
+#ifdef XOAP
+struct weather_forecast_data {
+ char uri[128];
+ unsigned int day;
+ char data_type[32];
+ int interval;
+};
+#endif
void weather_free_info(void)
{
- ccurl_free_locations(&locations_head);
+ ccurl_free_locations(&locations_head_cc);
+#ifdef XOAP
+ ccurl_free_locations(&locations_head_df);
+#endif
}
int rel_humidity(int dew_point, int air) {
}
#ifdef XOAP
+static void parse_df(PWEATHER_FORECAST *res, xmlXPathContextPtr xpathCtx)
+{
+ int i, j, k;
+ char *content;
+ xmlXPathObjectPtr xpathObj;
+
+ xpathObj = xmlXPathEvalExpression((const xmlChar *)"/error/err", xpathCtx);
+ if (xpathObj && xpathObj->nodesetval && xpathObj->nodesetval->nodeNr > 0 &&
+ xpathObj->nodesetval->nodeTab[0]->type == XML_ELEMENT_NODE) {
+ content = (char *)xmlNodeGetContent(xpathObj->nodesetval->nodeTab[0]);
+ NORM_ERR("XOAP error: %s", content);
+ xmlFree(content);
+ xmlXPathFreeObject(xpathObj);
+ return;
+ }
+ xmlXPathFreeObject(xpathObj);
+
+ for (i = 0; i < NUM_XPATH_EXPRESSIONS_DF; i++) {
+ xpathObj = xmlXPathEvalExpression((const xmlChar *)xpath_expression_df[i], xpathCtx);
+ if (xpathObj != NULL) {
+ xmlNodeSetPtr nodes = xpathObj->nodesetval;
+ k = 0;
+ for (j = 0; j < nodes->nodeNr; ++j) {
+ if (nodes->nodeTab[j]->type == XML_ELEMENT_NODE) {
+ content = (char *)xmlNodeGetContent(nodes->nodeTab[k]);
+ switch(i) {
+ case 0:
+ res->hi[k] = atoi(content);
+ break;
+ case 1:
+ res->low[k] = atoi(content);
+ break;
+ case 2:
+ strncpy(res->icon[k], content, 2);
+ case 3:
+ strncpy(res->xoap_t[k], content, 31);
+ break;
+ case 4:
+ res->wind_s[k] = atoi(content);
+ break;
+ case 5:
+ res->wind_d[k] = atoi(content);
+ break;
+ case 6:
+ res->ppcp[k] = atoi(content);
+ break;
+ case 7:
+ res->hmid[k] = atoi(content);
+ }
+ } else if (nodes->nodeTab[j]->type == XML_ATTRIBUTE_NODE) {
+ content = (char *)xmlNodeGetContent(nodes->nodeTab[k]);
+ switch(i) {
+ case 8:
+ strncpy(res->day[k], content, 8);
+ break;
+ case 9:
+ strncpy(res->date[k], content, 6);
+ }
+ }
+ xmlFree(content);
+ if (++k == FORECAST_DAYS) break;
+ }
+ }
+ xmlXPathFreeObject(xpathObj);
+ }
+ return;
+}
+
+static void parse_weather_forecast_xml(PWEATHER_FORECAST *res, const char *data)
+{
+ xmlDocPtr doc;
+ xmlXPathContextPtr xpathCtx;
+
+ if (!(doc = xmlReadMemory(data, strlen(data), "", NULL, 0))) {
+ NORM_ERR("weather_forecast: can't read xml data");
+ return;
+ }
+
+ xpathCtx = xmlXPathNewContext(doc);
+ if(xpathCtx == NULL) {
+ NORM_ERR("weather_forecast: unable to create new XPath context");
+ xmlFreeDoc(doc);
+ return;
+ }
+
+ parse_df(res, xpathCtx);
+ xmlXPathFreeContext(xpathCtx);
+ xmlFreeDoc(doc);
+ return;
+}
+
static void parse_cc(PWEATHER *res, xmlXPathContextPtr xpathCtx)
{
int i;
char *content;
xmlXPathObjectPtr xpathObj;
- for (i = 0; i < NUM_XPATH_EXPRESSIONS; i++) {
- xpathObj = xmlXPathEvalExpression((xmlChar *)xpath_expression[i], xpathCtx);
- if ((xpathObj != NULL) && (xpathObj->nodesetval->nodeTab[0]->type == XML_ELEMENT_NODE)) {
- content = (char *)xmlNodeGetContent(xpathObj->nodesetval->nodeTab[0]);
- switch(i) {
- case 0:
- strncpy(res->lastupd, content, 31);
- break;
- case 1:
- res->temp = atoi(content);
- break;
- case 2:
- if(res->xoap_t[0] == '\0') {
- strncpy(res->xoap_t, content, 31);
- }
- break;
- case 3:
- res->bar = atoi(content);
- break;
- case 4:
- res->wind_s = atoi(content);
- break;
- case 5:
- if (isdigit((char)content[0])) {
- res->wind_d = atoi(content);
- }
- break;
- case 6:
- res->hmid = atoi(content);
- }
- xmlFree(content);
+ xpathObj = xmlXPathEvalExpression((const xmlChar *)"/error/err", xpathCtx);
+ if (xpathObj && xpathObj->nodesetval && xpathObj->nodesetval->nodeNr > 0 &&
+ xpathObj->nodesetval->nodeTab[0]->type == XML_ELEMENT_NODE) {
+ content = (char *)xmlNodeGetContent(xpathObj->nodesetval->nodeTab[0]);
+ NORM_ERR("XOAP error: %s", content);
+ xmlFree(content);
+ xmlXPathFreeObject(xpathObj);
+ return;
+ }
+ xmlXPathFreeObject(xpathObj);
+
+ for (i = 0; i < NUM_XPATH_EXPRESSIONS_CC; i++) {
+ xpathObj = xmlXPathEvalExpression((const xmlChar *)xpath_expression_cc[i], xpathCtx);
+ if (xpathObj && xpathObj->nodesetval && xpathObj->nodesetval->nodeNr >0 &&
+ xpathObj->nodesetval->nodeTab[0]->type ==
+ XML_ELEMENT_NODE) {
+ content = (char *)xmlNodeGetContent(xpathObj->nodesetval->nodeTab[0]);
+ switch(i) {
+ case 0:
+ strncpy(res->lastupd, content, 31);
+ break;
+ case 1:
+ res->temp = atoi(content);
+ break;
+ case 2:
+ strncpy(res->xoap_t, content, 31);
+ break;
+ case 3:
+ res->bar = atoi(content);
+ break;
+ case 4:
+ res->wind_s = atoi(content);
+ break;
+ case 5:
+ res->wind_d = atoi(content);
+ break;
+ case 6:
+ res->hmid = atoi(content);
+ break;
+ case 7:
+ strncpy(res->icon, content, 2);
+ }
+ xmlFree(content);
}
xmlXPathFreeObject(xpathObj);
}
xmlXPathContextPtr xpathCtx;
if (!(doc = xmlReadMemory(data, strlen(data), "", NULL, 0))) {
- ERR("weather: can't read xml data");
+ NORM_ERR("weather: can't read xml data");
return;
}
xpathCtx = xmlXPathNewContext(doc);
if(xpathCtx == NULL) {
- ERR("weather: unable to create new XPath context");
+ NORM_ERR("weather: unable to create new XPath context");
xmlFreeDoc(doc);
return;
}
}
}
+#ifdef XOAP
+void parse_weather_forecast(void *result, const char *data)
+{
+ PWEATHER_FORECAST *res = (PWEATHER_FORECAST*)result;
+ /* Reset results */
+ memset(res, 0, sizeof(PWEATHER_FORECAST));
+
+ //Check if it is an xml file
+ if ( strncmp(data, "<?xml ", 6) == 0 ) {
+ parse_weather_forecast_xml(res, data);
+ }
+}
+#endif /* XOAP */
+
void parse_weather(void *result, const char *data)
{
PWEATHER *res = (PWEATHER*)result;
}
}
-void weather_process_info(char *p, int p_max_size, char *uri, char *data_type, int interval)
+void wind_deg_to_dir(char *p, int p_max_size, int wind_deg) {
+ if ((wind_deg >= 349) || (wind_deg < 12)) {
+ strncpy(p, "N", p_max_size);
+ } else if (wind_deg < 33) {
+ strncpy(p, "NNE", p_max_size);
+ } else if (wind_deg < 57) {
+ strncpy(p, "NE", p_max_size);
+ } else if (wind_deg < 79) {
+ strncpy(p, "ENE", p_max_size);
+ } else if (wind_deg < 102) {
+ strncpy(p, "E", p_max_size);
+ } else if (wind_deg < 124) {
+ strncpy(p, "ESE", p_max_size);
+ } else if (wind_deg < 147) {
+ strncpy(p, "SE", p_max_size);
+ } else if (wind_deg < 169) {
+ strncpy(p, "SSE", p_max_size);
+ } else if (wind_deg < 192) {
+ strncpy(p, "S", p_max_size);
+ } else if (wind_deg < 214) {
+ strncpy(p, "SSW", p_max_size);
+ } else if (wind_deg < 237) {
+ strncpy(p, "SW", p_max_size);
+ } else if (wind_deg < 259) {
+ strncpy(p, "WSW", p_max_size);
+ } else if (wind_deg < 282) {
+ strncpy(p, "W", p_max_size);
+ } else if (wind_deg < 304) {
+ strncpy(p, "WNW", p_max_size);
+ } else if (wind_deg < 327) {
+ strncpy(p, "NW", p_max_size);
+ } else if (wind_deg < 349) {
+ strncpy(p, "NNW", p_max_size);
+ };
+}
+
+#ifdef XOAP
+static void weather_forecast_process_info(char *p, int p_max_size, char *uri, unsigned int day, char *data_type, int interval)
+{
+ PWEATHER_FORECAST *data;
+
+ ccurl_location_t *curloc = ccurl_find_location(&locations_head_df, uri);
+ if (!curloc->p_timed_thread) {
+ curloc->result = malloc(sizeof(PWEATHER_FORECAST));
+ memset(curloc->result, 0, sizeof(PWEATHER_FORECAST));
+ curloc->process_function = &parse_weather_forecast;
+ ccurl_init_thread(curloc, interval);
+ if (!curloc->p_timed_thread) {
+ NORM_ERR("error setting up weather_forecast thread");
+ }
+ }
+
+ timed_thread_lock(curloc->p_timed_thread);
+ data = (PWEATHER_FORECAST*)curloc->result;
+ if (strcmp(data_type, "hi") == EQUAL) {
+ temp_print(p, p_max_size, data->hi[day], TEMP_CELSIUS);
+ } else if (strcmp(data_type, "low") == EQUAL) {
+ temp_print(p, p_max_size, data->low[day], TEMP_CELSIUS);
+ } else if (strcmp(data_type, "icon") == EQUAL) {
+ strncpy(p, data->icon[day], p_max_size);
+ } else if (strcmp(data_type, "forecast") == EQUAL) {
+ strncpy(p, data->xoap_t[day], p_max_size);
+ } else if (strcmp(data_type, "wind_speed") == EQUAL) {
+ snprintf(p, p_max_size, "%d", data->wind_s[day]);
+ } else if (strcmp(data_type, "wind_dir") == EQUAL) {
+ wind_deg_to_dir(p, p_max_size, data->wind_d[day]);
+ } else if (strcmp(data_type, "wind_dir_DEG") == EQUAL) {
+ snprintf(p, p_max_size, "%d", data->wind_d[day]);
+ } else if (strcmp(data_type, "humidity") == EQUAL) {
+ snprintf(p, p_max_size, "%d", data->hmid[day]);
+ } else if (strcmp(data_type, "precipitation") == EQUAL) {
+ snprintf(p, p_max_size, "%d", data->ppcp[day]);
+ } else if (strcmp(data_type, "day") == EQUAL) {
+ strncpy(p, data->day[day], p_max_size);
+ } else if (strcmp(data_type, "date") == EQUAL) {
+ strncpy(p, data->date[day], p_max_size);
+ }
+
+ timed_thread_unlock(curloc->p_timed_thread);
+}
+#endif /* XOAP */
+
+static void weather_process_info(char *p, int p_max_size, char *uri, char *data_type, int interval)
{
static const char *wc[] = {
"", "drizzle", "rain", "hail", "soft hail",
};
PWEATHER *data;
- ccurl_location_t *curloc = ccurl_find_location(&locations_head, uri);
+ ccurl_location_t *curloc = ccurl_find_location(&locations_head_cc, uri);
if (!curloc->p_timed_thread) {
curloc->result = malloc(sizeof(PWEATHER));
memset(curloc->result, 0, sizeof(PWEATHER));
curloc->process_function = &parse_weather;
ccurl_init_thread(curloc, interval);
if (!curloc->p_timed_thread) {
- ERR("error setting up weather thread");
+ NORM_ERR("error setting up weather thread");
}
}
} else if (strcmp(data_type, "cloud_cover") == EQUAL) {
#ifdef XOAP
if (data->xoap_t[0] != '\0') {
+ char *s = p;
strncpy(p, data->xoap_t, p_max_size);
+ while (*s) {
+ *s = tolower(*s);
+ s++;
+ }
} else
#endif /* XOAP */
if (data->cc == 0) {
} else {
strncpy(p, "cumulonimbus", p_max_size);
}
+#ifdef XOAP
+ } else if (strcmp(data_type, "icon") == EQUAL) {
+ strncpy(p, data->icon, p_max_size);
+#endif /* XOAP */
} else if (strcmp(data_type, "pressure") == EQUAL) {
snprintf(p, p_max_size, "%d", data->bar);
} else if (strcmp(data_type, "wind_speed") == EQUAL) {
snprintf(p, p_max_size, "%d", data->wind_s);
} else if (strcmp(data_type, "wind_dir") == EQUAL) {
- if ((data->wind_d >= 349) || (data->wind_d < 12)) {
- strncpy(p, "N", p_max_size);
- } else if (data->wind_d < 33) {
- strncpy(p, "NNE", p_max_size);
- } else if (data->wind_d < 57) {
- strncpy(p, "NE", p_max_size);
- } else if (data->wind_d < 79) {
- strncpy(p, "ENE", p_max_size);
- } else if (data->wind_d < 102) {
- strncpy(p, "E", p_max_size);
- } else if (data->wind_d < 124) {
- strncpy(p, "ESE", p_max_size);
- } else if (data->wind_d < 147) {
- strncpy(p, "SE", p_max_size);
- } else if (data->wind_d < 169) {
- strncpy(p, "SSE", p_max_size);
- } else if (data->wind_d < 192) {
- strncpy(p, "S", p_max_size);
- } else if (data->wind_d < 214) {
- strncpy(p, "SSW", p_max_size);
- } else if (data->wind_d < 237) {
- strncpy(p, "SW", p_max_size);
- } else if (data->wind_d < 259) {
- strncpy(p, "WSW", p_max_size);
- } else if (data->wind_d < 282) {
- strncpy(p, "W", p_max_size);
- } else if (data->wind_d < 304) {
- strncpy(p, "WNW", p_max_size);
- } else if (data->wind_d < 327) {
- strncpy(p, "NW", p_max_size);
- } else if (data->wind_d < 349) {
- strncpy(p, "NNW", p_max_size);
- };
+ wind_deg_to_dir(p, p_max_size, data->wind_d);
} else if (strcmp(data_type, "wind_dir_DEG") == EQUAL) {
snprintf(p, p_max_size, "%d", data->wind_d);
}
#ifdef XOAP
-
/* xoap suffix for weather from weather.com */
-static char *xoap = NULL;
-
-/*
- * TODO: make the xoap keys file readable from the config file
- * make the keys directly readable from the config file
- * make the xoap keys file giveable as a command line option
- */
-void load_xoap_keys(void)
-{
- FILE *fp;
- char *par = (char *) malloc(11 * sizeof(char));
- char *key = (char *) malloc(17 * sizeof(char));
-
- xoap = (char *) malloc(64 * sizeof(char));
- to_real_path(xoap, XOAP_FILE);
- fp = fopen(xoap, "r");
- if (fp != NULL) {
- if (fscanf(fp, "%10s %16s", par, key) == 2) {
- strcpy(xoap, "?cc=*&link=xoap&prod=xoap&par=");
- strcat(xoap, par);
- strcat(xoap, "&key=");
- strcat(xoap, key);
- strcat(xoap, "&unit=m");
- } else {
- free(xoap);
- xoap = NULL;
- }
- fclose(fp);
- } else {
- free(xoap);
- xoap = NULL;
- }
- free(par);
- free(key);
-}
+static char *xoap_cc = NULL;
+static char *xoap_df = NULL;
#endif /* XOAP */
-int process_weather_uri(char *uri, char *locID)
+static int process_weather_uri(char *uri, char *locID, int dayf UNUSED_ATTR)
{
/* locID MUST BE upper-case */
char *tmp_p = locID;
+
while (*tmp_p) {
*tmp_p = toupper(*tmp_p);
tmp_p++;
/* Construct complete uri */
#ifdef XOAP
if (strstr(uri, "xoap.weather.com")) {
- if (xoap != NULL) {
+ if ((dayf == 0) && (xoap_cc != NULL)) {
+ strcat(uri, locID);
+ strcat(uri, xoap_cc);
+ } else if ((dayf == 1) && (xoap_df != NULL)) {
strcat(uri, locID);
- strcat(uri, xoap);
+ strcat(uri, xoap_df);
} else {
free(uri);
uri = NULL;
}
- } else
+ } else
#endif /* XOAP */
if (strstr(uri, "weather.noaa.gov")) {
strcat(uri, locID);
return 0;
}
+#ifdef XOAP
+
+/*
+ * TODO: make the xoap keys file readable from the config file
+ * make the keys directly readable from the config file
+ * make the xoap keys file giveable as a command line option
+ */
+void load_xoap_keys(void)
+{
+ FILE *fp;
+ char *par = (char *) malloc(11 * sizeof(char));
+ char *key = (char *) malloc(17 * sizeof(char));
+ char *xoap = (char *) malloc(64 * sizeof(char));
+
+ to_real_path(xoap, XOAP_FILE);
+ fp = fopen(xoap, "r");
+ if (fp != NULL) {
+ if (fscanf(fp, "%10s %16s", par, key) == 2) {
+ xoap_cc = (char *) malloc(128 * sizeof(char));
+ xoap_df = (char *) malloc(128 * sizeof(char));
+
+ strcpy(xoap_cc, "?cc=*&link=xoap&prod=xoap&par=");
+ strcat(xoap_cc, par);
+ strcat(xoap_cc, "&key=");
+ strcat(xoap_cc, key);
+ strcat(xoap_cc, "&unit=m");
+
+ /* TODO: Use FORECAST_DAYS instead of 5 */
+ strcpy(xoap_df, "?dayf=5&link=xoap&prod=xoap&par=");
+ strcat(xoap_df, par);
+ strcat(xoap_df, "&key=");
+ strcat(xoap_df, key);
+ strcat(xoap_df, "&unit=m");
+ }
+ fclose(fp);
+ }
+ free(par);
+ free(key);
+ free(xoap);
+}
+
+void scan_weather_forecast_arg(struct text_object *obj, const char *arg, void *free_at_crash)
+{
+ int argc;
+ struct weather_forecast_data *wfd;
+ float interval = 0;
+ char *locID = (char *) malloc(9 * sizeof(char));
+
+ wfd = malloc(sizeof(struct weather_forecast_data));
+ memset(wfd, 0, sizeof(struct weather_forecast_data));
+
+ argc = sscanf(arg, "%119s %8s %1u %31s %f", wfd->uri, locID, &wfd->day, wfd->data_type, &interval);
+
+ if (argc < 4) {
+ free(locID);
+ free(wfd);
+ CRIT_ERR(obj, free_at_crash, "wrong number of arguments for $weather_forecast");
+ }
+ if (process_weather_uri(wfd->uri, locID, 1)) {
+ free(locID);
+ free(wfd);
+ CRIT_ERR(obj, free_at_crash, \
+ "could not recognize the weather forecast uri");
+ }
+
+ /* Limit the day between 0 (today) and FORECAST_DAYS */
+ if (wfd->day >= FORECAST_DAYS) {
+ wfd->day = FORECAST_DAYS-1;
+ }
+
+ /* Limit the data retrieval interval to 3 hours and an half */
+ if (interval < 210) {
+ interval = 210;
+ }
+
+ /* Convert to seconds */
+ wfd->interval = interval * 60;
+ free(locID);
+
+ DBGP("weather_forecast: fetching %s for day %d from %s every %d seconds", \
+ wfd->data_type, wfd->day, wfd->uri, wfd->interval);
+
+ obj->data.opaque = wfd;
+}
+
+void print_weather_forecast(struct text_object *obj, char *p, int p_max_size)
+{
+ struct weather_forecast_data *wfd = obj->data.opaque;
+
+ if (!wfd || !wfd->uri) {
+ NORM_ERR("error processing weather forecast data, check that you have a valid XOAP key if using XOAP.");
+ return;
+ }
+ weather_forecast_process_info(p, p_max_size, wfd->uri, wfd->day, wfd->data_type, wfd->interval);
+}
+#endif /* XOAP */
+
+void scan_weather_arg(struct text_object *obj, const char *arg, void *free_at_crash)
+{
+ int argc;
+ struct weather_data *wd;
+ char *locID = (char *) malloc(9 * sizeof(char));
+ float interval = 0;
+
+ wd = malloc(sizeof(struct weather_data));
+ memset(wd, 0, sizeof(struct weather_data));
+
+ argc = sscanf(arg, "%119s %8s %31s %f", wd->uri, locID, wd->data_type, &interval);
+
+ if (argc < 3) {
+ free(locID);
+ free(wd);
+ CRIT_ERR(obj, free_at_crash, "wrong number of arguments for $weather");
+ }
+ if (process_weather_uri(wd->uri, locID, 0)) {
+ free(locID);
+ free(wd);
+ CRIT_ERR(obj, free_at_crash, \
+ "could not recognize the weather uri");
+ }
+
+ /* Limit the data retrieval interval to half hour min */
+ if (interval < 30) {
+ interval = 30;
+ }
+
+ /* Convert to seconds */
+ wd->interval = interval * 60;
+ free(locID);
+
+ DBGP("weather: fetching %s from %s every %d seconds", \
+ wd->data_type, wd->uri, wd->interval);
+
+ obj->data.opaque = wd;
+}
+
+void print_weather(struct text_object *obj, char *p, int p_max_size)
+{
+ struct weather_data *wd = obj->data.opaque;
+
+ if (!wd || !wd->uri) {
+ NORM_ERR("error processing weather data, check that you have a valid XOAP key if using XOAP.");
+ return;
+ }
+ weather_process_info(p, p_max_size, wd->uri, wd->data_type, wd->interval);
+}
+
+void free_weather(struct text_object *obj)
+{
+ if (obj->data.opaque) {
+ free(obj->data.opaque);
+ obj->data.opaque = NULL;
+ }
+}