Initial commit for Toxic, a new curses interface for Tox.

Still a work-in-progress.

main.c

@@ -0,0 +1,229 @@
+/*
+ * Toxic -- Tox Curses Client
+ */
+
+#include <curses.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "../../core/Messenger.h"
+#include "../../core/network.h"
+
+#include "windows.h"
+
+extern ToxWindow new_prompt();
+extern int add_req(uint8_t* public_key); // XXX
+
+#define TOXWINDOWS_MAX_NUM 32
+
+static ToxWindow windows[TOXWINDOWS_MAX_NUM];
+static int w_num;
+static int w_active;
+static ToxWindow* prompt;
+
+// CALLBACKS START
+void on_request(uint8_t* public_key, uint8_t* data, uint16_t length) {
+  int n = add_req(public_key);
+
+  wprintw(prompt->window, "\nFriend request.\nUse \"accept %d\" to accept it.\n", n);
+}
+
+void on_message(int friendnumber, uint8_t* string, uint16_t length) {
+  wprintw(prompt->window, "\n(message) %d: %s!\n", friendnumber, string);
+}
+
+void on_nickchange(int friendnumber, uint8_t* string, uint16_t length) {
+  wprintw(prompt->window, "\n(nick) %d: %s!\n", friendnumber, string);
+}
+
+void on_statuschange(int friendnumber, uint8_t* string, uint16_t length) {
+  wprintw(prompt->window, "\n(status) %d: %s!\n", friendnumber, string);
+}
+// CALLBACKS END
+
+static void init_term() {
+  // Setup terminal.
+  initscr();
+  cbreak();
+  keypad(stdscr, 1);
+  noecho();
+  timeout(2000);
+
+  if(has_colors()) {
+    start_color();
+    init_pair(1, COLOR_GREEN, COLOR_BLACK);
+    init_pair(2, COLOR_CYAN, COLOR_BLACK);
+    init_pair(3, COLOR_RED, COLOR_BLACK);
+    init_pair(4, COLOR_BLUE, COLOR_BLACK);
+  }
+
+  refresh();
+}
+
+static void init_tox() {
+  // Init core.
+  initMessenger();
+
+  // Callbacks.
+  m_callback_friendrequest(on_request);
+  m_callback_friendmessage(on_message);
+  m_callback_namechange(on_nickchange);
+  m_callback_userstatus(on_statuschange);
+}
+
+static int add_window(ToxWindow w) {
+  if(w_num == TOXWINDOWS_MAX_NUM)
+    return -1;
+
+  if(LINES < 2)
+    return -1;
+
+  w.window = newwin(LINES - 2, COLS, 0, 0);
+
+  if(w.window == NULL)
+    return -1;
+
+  windows[w_num++] = w;
+  w.onInit(&w);
+
+  return w_num;
+}
+
+static void init_windows() {
+  w_num = 0;
+  w_active = 0;
+
+  if(add_window(new_prompt()) == -1) {
+    fprintf(stderr, "add_window() failed.\n");
+
+    endwin();
+    exit(1);
+  }
+
+  prompt = &windows[0];
+}
+
+static void do_tox() {
+  static bool dht_on = false;
+
+  if(!dht_on && DHT_isconnected()) {
+    dht_on = true;
+    wprintw(prompt->window, "\nDHT connected!\n");
+  }
+  else if(dht_on && !DHT_isconnected()) {
+    dht_on = false;
+    wprintw(prompt->window, "\nDHT disconnected!\n");
+  }
+
+  doMessenger();
+}
+
+static void load_data() {
+  FILE* fd;
+  size_t len;
+  uint8_t* buf;
+
+  if((fd = fopen("data", "r")) != NULL) {
+    fseek(fd, 0, SEEK_END);
+    len = ftell(fd);
+    fseek(fd, 0, SEEK_SET);
+
+    buf = malloc(len);
+
+    if(buf == NULL) {
+      fprintf(stderr, "malloc() failed.\n");
+      fclose(fd);
+      exit(1);
+    }
+
+    if(fread(buf, len, 1, fd) != 1){
+      fprintf(stderr, "fread() failed.\n");
+      free(buf);
+      fclose(fd);
+      exit(1);
+    }
+
+    Messenger_load(buf, len);
+  }
+  else { 
+    len = Messenger_size();
+    buf = malloc(len);
+
+    if(buf == NULL) {
+      fprintf(stderr, "malloc() failed.\n");
+      exit(1);
+    }
+
+    Messenger_save(buf);
+
+    fd = fopen("data", "w");
+    if(fd == NULL) {
+      fprintf(stderr, "fopen() failed.\n");
+      free(buf);
+      exit(1);
+    }
+
+    if(fwrite(buf, len, 1, fd) != 1){
+      fprintf(stderr, "fwrite() failed.\n");
+      free(buf);
+      fclose(fd);
+      exit(1);
+    }
+  }
+
+  free(buf);
+  fclose(fd);
+}
+
+static void draw_bar() {
+  size_t i;
+
+  attron(COLOR_PAIR(4));
+  mvhline(LINES - 2, 0, '_', COLS);
+  attroff(COLOR_PAIR(4));
+
+  move(LINES - 1, 0);
+
+  for(i=0; i<w_num; i++) {
+    if(i == w_active) {
+      attron(A_BOLD);
+    }
+
+    printw(" %s ", windows[i].title);
+
+    if(i == w_active) {
+      attroff(A_BOLD);
+    }
+  }
+
+  refresh();
+}
+
+int main(int argc, char* argv[]) {
+  int ch;
+  ToxWindow* a;
+
+  init_term();
+  init_tox();
+  load_data();
+  init_windows();
+
+  while(true) {
+    do_tox();
+
+    a = &windows[w_active];
+    a->onDraw(a);
+    draw_bar();
+
+    ch = getch();
+    if(ch != ERR) {
+      a->onKey(a, ch);
+    }
+
+  }
+
+  return 0;
+}
+

prompt.c

@@ -0,0 +1,292 @@
+/*
+ * Toxic -- Tox Curses Client
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <curses.h>
+
+#include "../../core/Messenger.h"
+#include "../../core/network.h"
+
+#include "windows.h"
+
+uint8_t pending_requests[256][CLIENT_ID_SIZE]; // XXX
+uint8_t num_requests=0; // XXX
+
+// XXX:
+int add_req(uint8_t* public_key) {
+  memcpy(pending_requests[num_requests], public_key, CLIENT_ID_SIZE);
+  ++num_requests;
+
+  return num_requests-1;
+}
+
+// XXX: FIX
+unsigned char * hex_string_to_bin(char hex_string[])
+{
+    size_t len = strlen(hex_string);
+    unsigned char *val = malloc(len);
+    char *pos = hex_string;
+    int i;
+    for(i = 0; i < len; ++i, pos+=2)
+        sscanf(pos,"%2hhx",&val[i]);
+    return val;
+}
+
+static char prompt_buf[256] = {0};
+static int prompt_buf_pos=0;
+
+static void execute(ToxWindow* self, char* cmd) {
+
+  // quit/exit: Exit program.
+  if(!strcmp(cmd, "quit") || !strcmp(cmd, "exit")) {
+    endwin();
+    exit(0);
+  }
+  else if(!strncmp(cmd, "connect ", strlen("connect "))) {
+    char* ip;
+    char* port;
+    char* key;
+    IP_Port dht;
+
+    ip = strchr(cmd, ' ');
+    if(ip == NULL) {
+      return;
+    }
+
+    ip++;
+
+    port = strchr(ip, ' ');
+    if(port == NULL) {
+      return;
+    }
+
+    port[0] = 0;
+    port++;
+
+    key = strchr(port, ' ');
+    if(key == NULL) {
+      return;
+    }
+
+    key[0] = 0;
+    key++;
+
+    if(atoi(port) == 0) {
+      return;
+    }
+
+    wprintw(self->window, "ip=%s, port=%s, key=%s\n", ip, port, key);
+
+    dht.port = htons(atoi(port));
+
+    int resolved_address = resolve_addr(ip);
+    if (resolved_address == -1) {
+      return;
+    }
+
+    dht.ip.i = resolved_address;
+    DHT_bootstrap(dht, hex_string_to_bin(key));
+  }
+  else if(!strncmp(cmd, "add ", strlen("add "))) {
+    char* id;
+    char* msg;
+    int num;
+
+    id = strchr(cmd, ' ');
+
+    if(id == NULL) {
+      return;
+    }
+
+    id++;
+
+    msg = strchr(id, ' ');
+    if(msg == NULL) {
+      return;
+    }
+
+    msg[0] = 0;
+    msg++;
+
+    num = m_addfriend((uint8_t*) id, (uint8_t*) msg, strlen(msg)+1);
+    wprintw(self->window, "Friend added as %d.\n", num);
+  }
+  else if(!strncmp(cmd, "status ", strlen("status "))) {
+    char* msg;
+
+    msg = strchr(cmd, ' ');
+    if(msg == NULL) {
+      return;
+    }
+
+    msg++;
+    m_set_userstatus((uint8_t*) msg, strlen(msg)+1);
+    wprintw(self->window, "Status set to: %s.\n", msg);
+  }
+  else if(!strncmp(cmd, "nick ", strlen("nick "))) {
+    char* nick;
+
+    nick = strchr(cmd, ' ');
+    if(nick == NULL) {
+      return;
+    }
+
+    nick++;
+    setname((uint8_t*) nick, strlen(nick)+1);
+    wprintw(self->window, "Nickname set to: %s.\n", nick);
+  }
+  else if(!strcmp(cmd, "myid")) {
+    // XXX: Clean this up
+    char idstring0[200];
+    char idstring1[32][5];
+    char idstring2[32][5];
+    uint32_t i;
+
+    for(i = 0; i < 32; i++) {
+      if(self_public_key[i] < 16)
+	strcpy(idstring1[i], "0");
+      else 
+	strcpy(idstring1[i], "");
+
+      sprintf(idstring2[i], "%hhX", self_public_key[i]);
+    }
+    
+    for (i=0; i<32; i++) {
+      strcat(idstring0, idstring1[i]);
+      strcat(idstring0, idstring2[i]);
+    }
+
+    wprintw(self->window, "%s\n", idstring0);
+  }
+  else if(!strncmp(cmd, "accept ", strlen("accept "))) {
+    char* id;
+    int num;
+
+    id = strchr(cmd, ' ');
+    if(id == NULL) {
+      return;
+    }
+    id++;
+   
+    num = atoi(id);
+    if(num >= num_requests) {
+      return;
+    }
+
+    num = m_addfriend_norequest(pending_requests[num]);
+    wprintw(self->window, "Friend accepted as: %d.\n", num);
+  }
+  else if(!strncmp(cmd, "msg ", strlen("msg "))) {
+    char* id;
+    char* msg;
+
+    id = strchr(cmd, ' ');
+
+    if(id == NULL) {
+      return;
+    }
+
+    id++;
+
+    msg = strchr(id, ' ');
+    if(msg == NULL) {
+      return;
+    }
+
+    msg[0] = 0;
+    msg++;
+
+    if(m_sendmessage(atoi(id), (uint8_t*) msg, strlen(msg)+1) != 1) {
+      wprintw(self->window, "Error occurred while sending message.\n");
+    }
+    else {
+      wprintw(self->window, "Message successfully sent.\n");
+    }
+  }
+}
+
+static void prompt_onKey(ToxWindow* self, int key) {
+
+  // PRINTABLE characters: Add to line.
+  if(isprint(key)) {
+
+    if(prompt_buf_pos == (sizeof(prompt_buf) - 1)) {
+      return;
+    }
+
+    prompt_buf[prompt_buf_pos++] = key;
+    prompt_buf[prompt_buf_pos] = 0;
+  }
+
+  // RETURN key: execute command.
+  else if(key == '\n') {
+    wprintw(self->window, "\n");
+    execute(self, prompt_buf);
+
+    prompt_buf_pos = 0;
+    prompt_buf[0] = 0;
+  }
+
+  // BACKSPACE key: Remove one character from line.
+  else if(key == 0x107) {
+
+    if(prompt_buf_pos != 0) {
+      prompt_buf[--prompt_buf_pos] = 0;
+    }
+  }
+}
+
+static void prompt_onDraw(ToxWindow* self) {
+  int x, y;
+
+  mvwin(self->window,0,0);
+  wresize(self->window, LINES-2, COLS);
+
+  getyx(self->window, y, x);
+  (void) x;
+
+  wattron(self->window, COLOR_PAIR(1));
+  mvwprintw(self->window, y, 0, "# ");
+  wattroff(self->window, COLOR_PAIR(1));
+
+  mvwprintw(self->window, y, 2, "%s", prompt_buf);
+  wclrtoeol(self->window);
+
+  wrefresh(self->window);
+}
+
+static void print_usage(ToxWindow* self) {
+  wattron(self->window, COLOR_PAIR(2) | A_BOLD);
+  wprintw(self->window, "Usage:\n");
+  wattroff(self->window, A_BOLD);
+  
+  wprintw(self->window, "      connect <ip> <port> <key> : Connect to DHT server\n");
+  wprintw(self->window, "      add <id> <message>        : Add friend\n");
+  wprintw(self->window, "      status <message>          : Set your status\n");
+  wprintw(self->window, "      nick <nickname>           : Set your nickname\n");
+  wprintw(self->window, "      accept <number>           : Accept friend request\n");
+  wprintw(self->window, "      myid                      : Print your ID\n");
+  wprintw(self->window, "      quit/exit                 : Exit program\n");
+  wattroff(self->window, COLOR_PAIR(2));
+}
+
+static void prompt_onInit(ToxWindow* self) {
+  scrollok(self->window, 1);
+
+  print_usage(self);
+  wclrtoeol(self->window);
+}
+
+ToxWindow new_prompt() {
+  ToxWindow ret;
+
+  ret.onKey = &prompt_onKey;
+  ret.onDraw = &prompt_onDraw;
+  ret.onInit = &prompt_onInit;
+  strcpy(ret.title, "[prompt]");
+
+  return ret;
+}

windows.h

@@ -0,0 +1,10 @@
+typedef struct ToxWindow_ ToxWindow;
+
+struct ToxWindow_ {
+  void(*onKey)(ToxWindow*, int);
+  void(*onDraw)(ToxWindow*);
+  void(*onInit)(ToxWindow*);
+  char title[256];
+
+  WINDOW* window;
+};