From f79de0229be0306412f2a9afd05d4a4e21c38437 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A5vard=20Pettersson?= <haavard.pettersson@gmail.com>
Date: Tue, 2 Sep 2014 13:59:07 +0200
Subject: [PATCH] Added tox-weechat-tox.*

---
 src/tox-weechat-tox.c | 128 ++++++++++++++++++++++++++++++++++++++++++
 src/tox-weechat-tox.h |  18 ++++++
 2 files changed, 146 insertions(+)
 create mode 100644 src/tox-weechat-tox.c
 create mode 100644 src/tox-weechat-tox.h

diff --git a/src/tox-weechat-tox.c b/src/tox-weechat-tox.c
new file mode 100644
index 0000000..6a5f8ee
--- /dev/null
+++ b/src/tox-weechat-tox.c
@@ -0,0 +1,128 @@
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+#include <arpa/inet.h>
+
+#include <weechat/weechat-plugin.h>
+#include <tox/tox.h>
+
+#include "tox-weechat.h"
+#include "tox-weechat-utils.h"
+
+#include "tox-weechat-tox.h"
+
+#define INITIAL_NAME "WeeChatter"
+
+#define BOOTSTRAP_ADDRESS "192.254.75.98"
+#define BOOTSTRAP_PORT 33445
+#define BOOTSTRAP_KEY "951C88B7E75C867418ACDB5D273821372BB5BD652740BCDF623A4FA293E75D2F"
+
+Tox *tox = NULL;
+
+/**
+ * Return the path to the Tox data file. Must be freed.
+ */
+char *
+tox_weechat_data_path()
+{
+    const char *weechat_dir = weechat_info_get("weechat_dir", NULL);
+    const char *file_path = "/tox/data";
+
+    weechat_mkdir_home("tox", 0755);
+
+    int path_length = strlen(weechat_dir) + strlen(file_path) + 1;
+    char *tox_data_path = malloc(path_length);
+
+    strcpy(tox_data_path, weechat_dir);
+    strcat(tox_data_path, file_path);
+    tox_data_path[path_length-1] = 0;
+
+    return tox_data_path;
+}
+
+/**
+ * Load Tox data from a file path.
+ *
+ * Returns 0 on success, -1 on failure.  */
+int
+tox_weechat_load_file(Tox *tox, char *path)
+{
+    FILE *file = fopen(path, "r");
+    if (file)
+    {
+        // get file size
+        fseek(file, 0, SEEK_END);
+        size_t size = ftell(file);
+        rewind(file);
+
+        // allocate a buffer and read file into it
+        uint8_t *data = malloc(sizeof(*data) * size);
+        fread(data, sizeof(uint8_t), size, file);
+        fclose(file);
+
+        // try loading the data
+        int status = tox_load(tox, data, size);
+        free(data);
+
+        return status;
+    }
+
+    return -1;
+}
+
+/**
+ * Continous timer keeping Tox running.
+ */
+int
+tox_weechat_do_timer_cb(void *data,
+                        int remaining_calls)
+{
+    tox_do(tox);
+    weechat_hook_timer(tox_do_interval(tox), 0, 1, tox_weechat_do_timer_cb, data);
+
+    return WEECHAT_RC_OK;
+}
+
+void
+tox_weechat_tox_init()
+{
+    tox = tox_new(0);
+
+    // try loading Tox saved data
+    char *data_file_path = tox_weechat_data_path();
+    if (tox_weechat_load_file(tox, data_file_path) == -1)
+    {
+        // couldn't load Tox, set a default name
+        tox_set_name(tox, (uint8_t *)INITIAL_NAME, strlen(INITIAL_NAME));
+    }
+    free(data_file_path);
+
+    // bootstrap
+    uint8_t *pub_key = tox_weechat_hex2bin(BOOTSTRAP_KEY);
+    tox_bootstrap_from_address(tox, BOOTSTRAP_ADDRESS, htons(BOOTSTRAP_PORT), pub_key);
+    free(pub_key);
+
+    // start tox_do loop
+    tox_weechat_do_timer_cb(NULL, 0);
+}
+
+void
+tox_weechat_tox_end()
+{
+    // save Tox data to a buffer
+    uint32_t size = tox_size(tox);
+    uint8_t *data = malloc(sizeof(*data) * size);
+    tox_save(tox, data);
+
+    // save buffer to a file
+    char *data_file_path = tox_weechat_data_path();
+    FILE *data_file = fopen(data_file_path, "w");
+    fwrite(data, sizeof(data[0]), size, data_file);
+    fclose(data_file);
+    free(data_file_path);
+
+    // free the Tox object
+    tox_kill(tox);
+}
+
diff --git a/src/tox-weechat-tox.h b/src/tox-weechat-tox.h
new file mode 100644
index 0000000..63f9aac
--- /dev/null
+++ b/src/tox-weechat-tox.h
@@ -0,0 +1,18 @@
+#ifndef TOX_WEECHAT_TOX_H
+#define TOX_WEECHAT_TOX_H
+
+#include <tox/tox.h>
+
+extern Tox *tox;
+
+/**
+ * Initialize the Tox object, bootstrap the DHT and start working.
+ */
+void tox_weechat_tox_init();
+
+/**
+ * Dump Tox to file and de-initialize.
+ */
+void tox_weechat_tox_end();
+
+#endif // TOX_WEECHAT_TOX_H