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Add craigslist car generator (closes #7)

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This commit is contained in:
James S 2023-04-22 01:48:02 -07:00
parent b92fcd4461
commit 9b8f568c5b
5 changed files with 123 additions and 30 deletions
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29
FemMonitor/booru.c
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@ -18,11 +18,8 @@
static xmlDoc* doc = NULL;
static WINDOW* window = NULL;
static CURL* curl = NULL;
static float* response_times = NULL;
static int iter = 0;
static int width = 0;
static int height = 0;
static struct Graph graph;
void booru_init(WINDOW* win, int h, int w)
{
@ -32,15 +29,8 @@ void booru_init(WINDOW* win, int h, int w)
height = h;
window = win;
graph.win = win;
graph.row = START_ROW + 4;
graph.col = START_COL + 1;
graph.width = w - graph.col - 2;
graph.height = h - graph.row - 1;
mvwprintw(window, 0, START_COL, " Fembooru.jp ");
mvwprintw(window, START_ROW, START_COL, "Pinging...");
mvwprintw(window, graph.row - 1, START_COL, "Response time (x100ms)");
if (curl == NULL)
{
wattron(window, COLOR_PAIR(COLORS_FAILURE));
@ -50,18 +40,11 @@ void booru_init(WINDOW* win, int h, int w)
curl_global_cleanup();
}
response_times = malloc(sizeof(float) * graph.width);
gdrawylabels(graph);
wrefresh(window);
}
void* booru_refresh(void* arg)
{
// record the response time
struct timeval start, end;
gettimeofday(&start, NULL);
CURLcode res;
CURLcode res2;
struct MemoryStruct posts_data = geturl(curl, "http://fembooru.jp/api/danbooru/find_posts", &res);
@ -73,10 +56,6 @@ void* booru_refresh(void* arg)
goto cleanup;
}
gettimeofday(&end, NULL);
int index = iter++ % graph.width;
response_times[index] = (end.tv_sec - start.tv_sec) * 1000.0f + (end.tv_usec - start.tv_usec) / 1000.0f;
// clear status lines
for (int i = TITLE_START_COL - 1; i < TITLE_START_COL + 7; ++i)
mvwprintw(window, 0, i, " ");
@ -87,13 +66,6 @@ void* booru_refresh(void* arg)
mvwprintw(window, i, j, " ");
}
// clear graph if necessary
if (index == 0)
gclear(graph);
// print status graph
gdrawbar(graph, index, response_times[index] / 100.0f);
// get post count
doc = xmlReadMemory(posts_data.memory, posts_data.size, "noname.xml", NULL, XML_PARSE_NOERROR | XML_PARSE_NOWARNING);
if (doc == NULL)
@ -161,5 +133,4 @@ void booru_destroy()
{
if (curl != NULL)
curl_easy_cleanup(curl);
free(response_times);
}

1
FemMonitor/common.c
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@ -39,6 +39,7 @@ struct MemoryStruct geturl(CURL* curl, char* url, CURLcode* res_out)
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_mem_callback);
curl_easy_setopt(curl, CURLOPT_USERAGENT, "FemMonitor/1.0");
struct MemoryStruct data;
data.memory = malloc(1); /* will be grown as needed by the realloc above */

101
FemMonitor/craigslist.c Normal file
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@ -0,0 +1,101 @@
#include <curl/curl.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "craigslist.h"
#include "common.h"
static WINDOW* window = NULL;
static CURL* curl = NULL;
static int width = 0;
static int height = 0;
static struct MemoryStruct car_data;
void craigslist_init(WINDOW* win, int h, int w)
{
// setup curl
curl = curl_easy_init();
width = w;
height = h;
window = win;
mvwprintw(window, 0, START_COL, " Craigslist ");
mvwprintw(window, START_ROW, START_COL, "Pinging...");
if (curl == NULL)
{
wattron(window, COLOR_PAIR(COLORS_FAILURE));
mvwprintw(window, 0, TITLE_START_COL, " ERROR ");
mvwprintw(window, START_ROW, START_COL, "Failed to initialize libcurl!");
wattroff(window, COLOR_PAIR(COLORS_FAILURE));
curl_global_cleanup();
}
CURLcode res;
car_data = geturl(curl, "https://sapi.craigslist.org/web/v8/postings/search/full?batch=1-0-360-0-0&bundleDuplicates=1&cc=US&lang=en&language=5&max_price=2000&purveyor=owner&searchPath=cta", &res);
if (res != CURLE_OK)
{
on_curl_error(window, res);
}
wrefresh(window);
}
bool parse_rand_craigslist(const char* json, char* name, unsigned* price)
{
srand(time(NULL));
const char* items = strstr(json, ",\"items\":[[");
if (items == NULL)
return FALSE;
int r = rand() % 400;
int i = 0;
const char* start_item = items;
const char* end_item = items;
do
{
start_item = strstr(end_item, "],\"");
end_item = strstr(start_item, "\"]");
}
while (i++ < r && strstr(end_item, "],\""));
strncpy(name, start_item + 3, end_item - start_item - 3);
//*price = atoi();
*price = 0;
return TRUE;
}
void* craigslist_refresh(void* arg)
{
// clear status lines
for (int i = START_ROW; i < START_ROW+3; ++i)
{
for (int j = START_COL; j < width - 1; ++j)
mvwprintw(window, i, j, " ");
}
char result[256] = {0};
unsigned price;
if (parse_rand_craigslist(car_data.memory, result, &price))
{
mvwprintw(window, START_ROW, START_COL, "%s", result);
}
else
{
wattron(window, COLOR_PAIR(COLORS_FAILURE));
mvwprintw(window, START_ROW, START_COL, "Failed to parse Craigslist result");
wattroff(window, COLOR_PAIR(COLORS_FAILURE));
}
// refresh view
wrefresh(window);
}
void craigslist_destroy()
{
if (curl != NULL)
curl_easy_cleanup(curl);
free(car_data.memory);
}

11
FemMonitor/craigslist.h Normal file
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@ -0,0 +1,11 @@
#ifndef craigslist_h
#define craigslist_h
#include <ncurses.h>
void craigslist_init(WINDOW* win, int h, int w);
void* craigslist_refresh(void* arg);
/* Note: this function will not free the window! */
void craigslist_destroy(void);
#endif /* craigslist_h */

11
FemMonitor/main.c
View File

@ -17,6 +17,7 @@
#include "booru.h"
#include "common.h"
#include "company.h"
#include "craigslist.h"
#include "mail.h"
#include "numbers.h"
@ -71,9 +72,11 @@ int main(int argc, const char* argv[])
WINDOW* botmidleft = create_newwin(LINES/4, COLS/2, LINES*2/4, 0);
WINDOW* botleft = create_newwin(LINES/4 - 1, COLS/2, LINES*3/4, 0);
WINDOW* topright = create_newwin(LINES/2, COLS/2, 0, COLS/2);
WINDOW* botright = create_newwin(LINES/2 - 1, COLS/2, LINES/2, COLS/2);
WINDOW* midright = create_newwin(LINES/4, COLS/2, LINES*2/4, COLS/2);
WINDOW* botright = create_newwin(LINES/4 - 1, COLS/2, LINES*3/4, COLS/2);
company_init(topleft, LINES/4, COLS/2);
craigslist_init(midright, LINES/4, COLS/2);
numbers_init(topmidleft, LINES/4, COLS/2);
bool_init(botmidleft, LINES/4, COLS/2);
mail_init(botleft, LINES/4 - 1, COLS/2);
@ -85,6 +88,7 @@ int main(int argc, const char* argv[])
while ((ch = tolower(getch())) != KEY_QUIT)
{
company_refresh(NULL);
craigslist_refresh(NULL);
numbers_refresh(NULL);
bool_refresh(NULL);
mail_refresh(NULL);
@ -109,10 +113,15 @@ int main(int argc, const char* argv[])
booru_destroy();
mail_destroy();
numbers_destroy();
craigslist_destroy();
company_destroy();
destroy_win(topleft);
destroy_win(topmidleft);
destroy_win(botmidleft);
destroy_win(botleft);
destroy_win(topright);
destroy_win(midright);
destroy_win(botright);
endwin();