initial commit

FemMonitor/booru.c

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+//
+//  booru.c
+//  FemMonitor
+//
+//  Created by James Shiffer on 3/22/21.
+//  Copyright © 2021 FemboyFinancial. All rights reserved.
+//
+
+#include <curl/curl.h>
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+#include <pthread.h>
+#include <string.h>
+
+#include "booru.h"
+
+#define START_ROW   2
+#define START_COL   2
+
+xmlDoc* doc = NULL;
+WINDOW* window = NULL;
+CURL* curl = NULL;
+int width = 0;
+int height = 0;
+
+struct MemoryStruct
+{
+    char *memory;
+    size_t size;
+};
+ 
+static size_t WriteMemoryCallback(void *contents, size_t size, size_t nmemb, void *userp)
+{
+    size_t realsize = size * nmemb;
+    struct MemoryStruct *mem = (struct MemoryStruct *)userp;
+
+    char *ptr = realloc(mem->memory, mem->size + realsize + 1);
+    if (ptr == NULL)
+    {
+        /* out of memory! */
+        printf("not enough memory (realloc returned NULL)\n");
+        return 0;
+    }
+
+    mem->memory = ptr;
+    memcpy(&(mem->memory[mem->size]), contents, realsize);
+    mem->size += realsize;
+    mem->memory[mem->size] = 0;
+
+    return realsize;
+}
+
+void booru_init(WINDOW* win, int h, int w)
+{
+    // setup curl
+    curl = curl_easy_init();
+    width = w;
+    height = h;
+    
+    window = win;
+    mvwprintw(window, 0, 1, " Fembooru.jp ");
+    mvwprintw(window, START_ROW, START_COL, "Pinging...");
+    if (curl == NULL)
+    {
+        wattron(window, COLOR_PAIR(1));
+        mvwprintw(window, START_ROW, START_COL, "ERROR");
+        mvwprintw(window, START_ROW+1, START_COL, "Failed to initialize libcurl!");
+        wattroff(window, COLOR_PAIR(1));
+        curl_global_cleanup();
+    }
+    wrefresh(window);
+}
+
+void* booru_refresh(void* arg)
+{
+    curl_easy_reset(curl);
+    
+    struct MemoryStruct chunk;
+    chunk.memory = malloc(1);   /* will be grown as needed by the realloc above */
+    chunk.size = 0;             /* no data at this point */
+    curl_easy_setopt(curl, CURLOPT_URL, "http://fembooru.jp/api/danbooru/find_posts");
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);
+    
+    CURLcode res = curl_easy_perform(curl);
+    int* status = malloc(sizeof(int));
+    
+    // clear status lines
+    for (int i = START_ROW; i < START_ROW+1; ++i)
+    {
+        for (int j = START_COL; j < width - 1; ++j)
+            mvwprintw(window, i, j, " ");
+    }
+    
+    if (res != CURLE_OK)
+    {
+        wattron(window, COLOR_PAIR(2));
+        if (res == CURLE_COULDNT_CONNECT)
+        {
+            mvwprintw(window, START_ROW, START_COL, "OFFLINE", res);
+        }
+        else
+        {
+            mvwprintw(window, START_ROW, START_COL, "ERROR");
+            mvwprintw(window, START_ROW+1, START_COL, "CURL status %d", res);
+        }
+        wattroff(window, COLOR_PAIR(2));
+        wrefresh(window);
+        *status = 1;
+        pthread_exit(status);
+    }
+    
+    doc = xmlReadMemory(chunk.memory, chunk.size, "noname.xml", NULL, 0);
+    if (doc == NULL)
+    {
+        wattron(window, COLOR_PAIR(2));
+        mvwprintw(window, START_ROW, START_COL, "ERROR");
+        mvwprintw(window, START_ROW+1, START_COL, "Server gave empty response");
+        wattroff(window, COLOR_PAIR(2));
+        wrefresh(window);
+        *status = 2;
+        pthread_exit(status);
+    }
+    
+    xmlNode* el = xmlDocGetRootElement(doc);
+    while (el->type != XML_ELEMENT_NODE || strcmp(el->name, "posts") != 0)
+        el = el->next;
+    
+    el = el->children;
+    while (el->type != XML_ATTRIBUTE_NODE || strcmp(el->name, "count") != 0)
+        el = el->next;
+    
+    if (el == NULL)
+    {
+        wattron(window, COLOR_PAIR(1));
+        mvwprintw(window, START_ROW, START_COL, "ONLINE");
+        wattroff(window, COLOR_PAIR(1));
+        wattron(window, COLOR_PAIR(3));
+        mvwprintw(window, START_ROW+1, START_COL, "Couldn't retrieve post count");
+        wattroff(window, COLOR_PAIR(3));
+        wrefresh(window);
+        *status = 3;
+        pthread_exit(status);
+    }
+    
+    // we have arrived at the count attribute of the posts tag
+    wattron(window, COLOR_PAIR(1));
+    mvwprintw(window, START_ROW, START_COL, "ONLINE");
+    wattroff(window, COLOR_PAIR(1));
+    mvwprintw(window, START_ROW+1, START_COL, "%s posts", el->content);
+    wrefresh(window);
+    
+    *status = 0;
+    pthread_exit(status);
+}
+
+void booru_destroy()
+{
+    if (doc != NULL)
+        xmlFreeDoc(doc);
+    if (curl != NULL)
+        curl_easy_cleanup(curl);
+}

FemMonitor/booru.h

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+//
+//  booru.h
+//  FemMonitor
+//
+//  Created by James Shiffer on 3/22/21.
+//  Copyright © 2021 FemboyFinancial. All rights reserved.
+//
+
+#ifndef booru_h
+#define booru_h
+
+#include <ncurses.h>
+#include <curl/curl.h>
+
+void booru_init(WINDOW* win, int w, int h);
+void* booru_refresh(void* arg);
+/* Note: this function will not free the window! */
+void booru_destroy(void);
+
+#endif /* booru_h */

FemMonitor/company.c

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+//
+//  company.c
+//  FemMonitor
+//
+//  Created by James Shiffer on 3/22/21.
+//  Copyright © 2021 FemboyFinancial. All rights reserved.
+//
+
+#include "company.h"

FemMonitor/company.h

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+//
+//  company.h
+//  FemMonitor
+//
+//  Created by James Shiffer on 3/22/21.
+//  Copyright © 2021 FemboyFinancial. All rights reserved.
+//
+
+#ifndef company_h
+#define company_h
+
+#include <curl/curl.h>
+
+
+#endif /* company_h */

FemMonitor/howfeed.c

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+//
+//  howfeed.c
+//  FemMonitor
+//
+//  Created by James Shiffer on 3/22/21.
+//  Copyright © 2021 FemboyFinancial. All rights reserved.
+//
+
+#include "howfeed.h"

FemMonitor/howfeed.h

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+//
+//  howfeed.h
+//  FemMonitor
+//
+//  Created by James Shiffer on 3/22/21.
+//  Copyright © 2021 FemboyFinancial. All rights reserved.
+//
+
+#ifndef howfeed_h
+#define howfeed_h
+
+#include <curl/curl.h>
+
+
+#endif /* howfeed_h */

FemMonitor/main.c

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+//
+//  main.c
+//  FemMonitor
+//
+//  Created by James Shiffer on 3/21/21.
+//  Copyright © 2021 FemboyFinancial. All rights reserved.
+//
+
+#include <ncurses.h>
+#include <curl/curl.h>
+#include <libxml/parser.h>
+#include <pthread.h>
+#include <time.h>
+
+#include "booru.h"
+#include "company.h"
+#include "howfeed.h"
+#include "wiki.h"
+
+#define KEY_QUIT    'q'
+
+
+WINDOW* create_newwin(int height, int width, int starty, int startx)
+{
+    WINDOW* local_win;
+
+    local_win = newwin(height, width, starty, startx);
+    box(local_win, 0, 0);
+    wrefresh(local_win);
+    
+    return local_win;
+}
+
+void destroy_win(WINDOW* local_win)
+{
+    /* box(local_win, ' ', ' '); : This won't produce the desired
+     * result of erasing the window. It will leave its four corners,
+     * an ugly remnant of the window.
+     */
+    wborder(local_win, ' ', ' ', ' ',' ',' ',' ',' ',' ');
+    wrefresh(local_win);
+    delwin(local_win);
+}
+
+int main(int argc, const char* argv[])
+{
+    LIBXML_TEST_VERSION
+    
+    curl_global_init(CURL_GLOBAL_DEFAULT);
+    
+    // setup ncurses
+    initscr();
+    halfdelay(20);
+    keypad(stdscr, TRUE);
+    noecho();
+    refresh();
+    
+    start_color();
+    init_pair(1, COLOR_GREEN, COLOR_BLACK);
+    init_pair(2, COLOR_RED, COLOR_BLACK);
+    init_pair(3, COLOR_YELLOW, COLOR_BLACK);
+    
+    // setup various status windows
+    WINDOW* topleft = create_newwin(LINES/2, COLS/2, 0, 0);
+    WINDOW* topright = create_newwin(LINES/2, COLS/2, 0, COLS/2);
+    WINDOW* botleft = create_newwin(LINES/2 - 1, COLS/2, LINES/2, 0);
+    WINDOW* botright = create_newwin(LINES/2 - 1, COLS/2, LINES/2, COLS/2);
+    
+    booru_init(botleft, LINES/2 - 1, COLS/2);
+    mvwprintw(topleft, 0, 1, " Company ");
+    mvwprintw(topright, 0, 1, " Howfeed.biz ");
+    mvwprintw(botright, 0, 1, " FemWiki ");
+    
+    wrefresh(topleft);
+    wrefresh(topright);
+    wrefresh(botright);
+
+    // start refresh status threads
+    pthread_t booru_th;
+    pthread_create(&booru_th, NULL, booru_refresh, NULL);
+    
+    time_t t;
+    struct tm tm;
+    char ch;
+    while ((ch = getch()) != KEY_QUIT)
+    {
+        time(&t);
+        tm = *localtime(&t);
+        mvprintw(LINES - 1, 0, "Last updated: %d-%02d-%02d %02d:%02d:%02d\n",
+                 tm.tm_year + 1900,
+                 tm.tm_mon + 1,
+                 tm.tm_mday,
+                 tm.tm_hour,
+                 tm.tm_min,
+                 tm.tm_sec);
+        wrefresh(stdscr);
+    }
+    
+    // cleanup everything
+    booru_destroy();
+    
+    destroy_win(topleft);
+    destroy_win(topright);
+    destroy_win(botleft);
+    destroy_win(botright);
+    
+    endwin();
+    xmlCleanupParser();
+    curl_global_cleanup();
+    return 0;
+}

FemMonitor/wiki.c

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+//
+//  wiki.c
+//  FemMonitor
+//
+//  Created by James Shiffer on 3/22/21.
+//  Copyright © 2021 FemboyFinancial. All rights reserved.
+//
+
+#include "wiki.h"

FemMonitor/wiki.h

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+//
+//  wiki.h
+//  FemMonitor
+//
+//  Created by James Shiffer on 3/22/21.
+//  Copyright © 2021 FemboyFinancial. All rights reserved.
+//
+
+#ifndef wiki_h
+#define wiki_h
+
+#include <curl/curl.h>
+
+
+#endif /* wiki_h */

README.md

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+# FemMonitor
+
+Lightweight application written in C that monitors the status of various FemboyFinancial services.
+
+Best viewed on a wall-mounted 4:3 monitor with a VGA font.
+
+## Dependencies
+
+- libncurses6
+
+- libcurl4
+
+- libxml2.2
+
+## Makefile
+
+no im developing on xcode rn lol