Store unsent messages for later transmission.

CMakeLists.txt

@@ -43,6 +43,7 @@ add_library(tox MODULE
     src/tox-weechat-config.c
     src/tox-weechat-data.c
     src/tox-weechat-completion.c
+    src/tox-weechat-messages.c
 )
 
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -Wall -Wextra -Werror-implicit-function-declaration -Wno-unused-parameter")

src/tox-weechat-chats.c

@@ -25,6 +25,7 @@
 
 #include "tox-weechat.h"
 #include "tox-weechat-identities.h"
+#include "tox-weechat-messages.h"
 #include "tox-weechat-utils.h"
 
 #include "tox-weechat-chats.h"
@@ -195,16 +196,12 @@ tox_weechat_buffer_input_callback(void *data,
                                   const char *input_data)
 {
     struct t_tox_weechat_chat *chat = data;
-
-    tox_send_message(chat->identity->tox,
-                     chat->friend_number,
-                     (uint8_t *)input_data,
-                     strlen(input_data));
+    tox_weechat_send_friend_message(chat->identity,
+                                    chat->friend_number,
+                                    input_data);
 
     char *name = tox_weechat_get_self_name_nt(chat->identity->tox);
-
     tox_weechat_chat_print_message(chat, name, input_data);
-
     free(name);
 
     return WEECHAT_RC_OK;

src/tox-weechat-data.c

@@ -29,6 +29,7 @@
 #include "tox-weechat.h"
 #include "tox-weechat-identities.h"
 #include "tox-weechat-friend-requests.h"
+#include "tox-weechat-messages.h"
 #include "tox-weechat-utils.h"
 
 #include "tox-weechat-data.h"
@@ -38,6 +39,9 @@
 const char *tox_weechat_json_key_friend_requests = "friend_requests";
 const char *tox_weechat_json_friend_request_key_client_id = "client_id";
 const char *tox_weechat_json_friend_request_key_message = "message";
+const char *tox_weechat_json_key_unsent_messages = "unsent_messages";
+const char *tox_weechat_json_unsent_messages_key_recipient_id = "recipient_id";
+const char *tox_weechat_json_unsent_messages_key_message = "message";
 
 json_t *tox_weechat_json_data = NULL;
 
@@ -67,15 +71,14 @@ tox_weechat_json_get_identity_key(struct t_tox_weechat_identity *identity)
 }
 
 /**
- * Save an identity's data.
+ * Save an identity's friend requests into a json array.
  */
-void
-tox_weechat_data_identity_save(struct t_tox_weechat_identity *identity)
+json_t *
+tox_weechat_data_friend_requests_json(struct t_tox_weechat_identity *identity)
 {
-    json_t *json_data = json_object();
     json_t *friend_request_array = json_array();
-    if (!json_data || !friend_request_array)
-        return;
+    if (!friend_request_array)
+        return NULL;
 
     for (struct t_tox_weechat_friend_request *request = identity->friend_requests;
          request;
@@ -104,10 +107,70 @@ tox_weechat_data_identity_save(struct t_tox_weechat_identity *identity)
         json_decref(json_request);
     }
 
+    return friend_request_array;
+}
+
+/**
+ * Save an identity's unsent messages into a json array.
+ */
+json_t *
+tox_weechat_data_unsent_messages_json(struct t_tox_weechat_identity *identity)
+{
+    json_t *unsent_messages_array = json_array();
+    if (!unsent_messages_array)
+        return NULL;
+
+    for (struct t_tox_weechat_unsent_message *message = identity->unsent_messages;
+         message;
+         message = message->next_message)
+    {
+        char hex_id[TOX_CLIENT_ID_SIZE * 2 + 1];
+        tox_weechat_bin2hex(message->recipient_id, TOX_CLIENT_ID_SIZE, hex_id);
+
+        json_t *json_message = json_object();
+        json_t *json_id = json_string(hex_id);
+        json_t *json_message_data = json_string(message->message);
+        if (!json_message || !json_id || !json_message_data)
+            break;
+
+        json_object_set(json_message,
+                        tox_weechat_json_unsent_messages_key_recipient_id,
+                        json_id);
+        json_decref(json_id);
+
+        json_object_set(json_message,
+                        tox_weechat_json_unsent_messages_key_message,
+                        json_message_data);
+        json_decref(json_message_data);
+
+        json_array_append(unsent_messages_array, json_message);
+        json_decref(json_message);
+    }
+
+    return unsent_messages_array;
+}
+
+/**
+ * Save an identity's data.
+ */
+void
+tox_weechat_data_identity_save(struct t_tox_weechat_identity *identity)
+{
+    json_t *json_data = json_object();
+    if (!json_data)
+        return;
+
+    json_t *friend_requests = tox_weechat_data_friend_requests_json(identity);
     json_object_set(json_data,
                     tox_weechat_json_key_friend_requests,
-                    friend_request_array);
-    json_decref(friend_request_array);
+                    friend_requests);
+    json_decref(friend_requests);
+
+    json_t *unsent_messages = tox_weechat_data_unsent_messages_json(identity);
+    json_object_set(json_data,
+                    tox_weechat_json_key_unsent_messages,
+                    unsent_messages);
+    json_decref(unsent_messages);
 
     char *identity_key = tox_weechat_json_get_identity_key(identity);
     json_object_set(tox_weechat_json_data, identity_key, json_data);
@@ -115,6 +178,62 @@ tox_weechat_data_identity_save(struct t_tox_weechat_identity *identity)
     json_decref(json_data);
 }
 
+/**
+ * Load friend requests from a json array.
+ */
+void
+tox_weechat_data_load_friend_requests(struct t_tox_weechat_identity *identity,
+                                      json_t *friend_requests)
+{
+    tox_weechat_friend_request_free_identity(identity);
+
+    size_t index;
+    json_t *json_request;
+    json_array_foreach(friend_requests, index, json_request)
+    {
+        char client_id[TOX_CLIENT_ID_SIZE];
+        const char *message;
+
+        json_t *json_id = json_object_get(json_request,
+                                          tox_weechat_json_friend_request_key_client_id);
+        json_t *json_message = json_object_get(json_request,
+                                               tox_weechat_json_friend_request_key_message);
+
+        tox_weechat_hex2bin(json_string_value(json_id), TOX_CLIENT_ID_SIZE * 2, client_id);
+        message = json_string_value(json_message);
+
+        tox_weechat_friend_request_add(identity,
+                                       (uint8_t *)client_id,
+                                       message);
+    }
+}
+
+/**
+ * Load unsent messages from a json array.
+ */
+void
+tox_weechat_data_load_unsent_messages(struct t_tox_weechat_identity *identity,
+                                      json_t *friend_requests)
+{
+    size_t index;
+    json_t *json_message;
+    json_array_foreach(friend_requests, index, json_message)
+    {
+        char client_id[TOX_CLIENT_ID_SIZE];
+        const char *message;
+
+        json_t *json_id = json_object_get(json_message,
+                                          tox_weechat_json_unsent_messages_key_recipient_id);
+        json_t *json_message_data = json_object_get(json_message,
+                                                    tox_weechat_json_unsent_messages_key_message);
+
+        tox_weechat_hex2bin(json_string_value(json_id), TOX_CLIENT_ID_SIZE * 2, client_id);
+        message = json_string_value(json_message_data);
+
+        // TODO
+    }
+}
+
 /**
  * Load an identity's data from a JSON object.
  */
@@ -125,33 +244,15 @@ tox_weechat_data_identity_load(struct t_tox_weechat_identity *identity)
     json_t *identity_data = json_object_get(tox_weechat_json_data, identity_key);
     free(identity_key);
 
-    json_t *friend_request_array = json_object_get(identity_data,
-                                                   tox_weechat_json_key_friend_requests);
+    json_t *friend_requests = json_object_get(identity_data,
+                                              tox_weechat_json_key_friend_requests);
+    if (friend_requests)
+        tox_weechat_data_load_friend_requests(identity, friend_requests);
 
-    if (friend_request_array)
-    {
-        tox_weechat_friend_request_free_identity(identity);
-
-        size_t index;
-        json_t *json_request;
-        json_array_foreach(friend_request_array, index, json_request)
-        {
-            char client_id[TOX_CLIENT_ID_SIZE];
-            const char *message;
-
-            json_t *json_id = json_object_get(json_request,
-                                              tox_weechat_json_friend_request_key_client_id);
-            json_t *json_message = json_object_get(json_request,
-                                                   tox_weechat_json_friend_request_key_message);
-
-            tox_weechat_hex2bin(json_string_value(json_id), TOX_CLIENT_ID_SIZE * 2, client_id);
-            message = json_string_value(json_message);
-
-            tox_weechat_friend_request_add(identity,
-                                           (uint8_t *)client_id,
-                                           message);
-        }
-    }
+    json_t *unsent_messages = json_object_get(identity_data,
+                                              tox_weechat_json_key_unsent_messages);
+    if (unsent_messages)
+        tox_weechat_data_load_unsent_messages(identity, unsent_messages);
 }
 
 /**

src/tox-weechat-identities.c

@@ -207,6 +207,7 @@ tox_weechat_identity_new(const char *name)
     identity->tox_do_timer = NULL;
     identity->chats = identity->last_chat = NULL;
     identity->friend_requests = identity->last_friend_request = NULL;
+    identity->unsent_messages = identity->last_unsent_message = NULL;
     identity->tox_online = false;
 
     // set up config

src/tox-weechat-identities.h

@@ -23,6 +23,8 @@
 #include <stdint.h>
 #include <stdbool.h>
 
+#include <tox/tox.h>
+
 enum t_tox_weechat_identity_option
 {
     TOX_WEECHAT_IDENTITY_OPTION_SAVEFILE = 0,
@@ -50,6 +52,9 @@ struct t_tox_weechat_identity
     struct t_tox_weechat_friend_request *last_friend_request;
     unsigned int friend_request_count;
 
+    struct t_tox_weechat_unsent_message *unsent_messages;
+    struct t_tox_weechat_unsent_message *last_unsent_message;
+
     struct t_tox_weechat_identity *next_identity;
     struct t_tox_weechat_identity *prev_identity;
 };

src/tox-weechat-messages.c

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2014 Håvard Pettersson <haavard.pettersson@gmail.com>
+ *
+ * This file is part of Tox-WeeChat.
+ *
+ * Tox-WeeChat is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Tox-WeeChat is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Tox-WeeChat.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+
+#include <tox/tox.h>
+
+#include "tox-weechat-identities.h"
+#include "tox-weechat-utils.h"
+
+#include "tox-weechat-messages.h"
+
+void
+tox_weechat_add_unsent_message(struct t_tox_weechat_identity *identity,
+                               const uint8_t *recipient_id,
+                               const char *message)
+{
+    struct t_tox_weechat_unsent_message *unsent_message = malloc(sizeof(*unsent_message));
+    if (!message)
+        return;
+
+    memcpy(unsent_message->recipient_id, recipient_id, TOX_CLIENT_ID_SIZE);
+    unsent_message->message = strdup(message);
+
+    unsent_message->prev_message = identity->last_unsent_message;
+    unsent_message->next_message = NULL;
+
+    if (identity->unsent_messages == NULL)
+        identity->unsent_messages = unsent_message;
+    else
+        identity->last_unsent_message->next_message = unsent_message;
+
+    identity->last_unsent_message = unsent_message;
+}
+
+uint32_t
+tox_weechat_send_friend_message(struct t_tox_weechat_identity *identity,
+                                int32_t friend_number,
+                                const char *message)
+{
+    // TODO: split message
+    uint32_t rc = tox_send_message(identity->tox,
+                                   friend_number,
+                                   (uint8_t *)message,
+                                   strlen(message));
+
+    uint8_t recipient_id[TOX_CLIENT_ID_SIZE];
+    tox_get_client_id(identity->tox, friend_number, recipient_id);
+
+    if (rc == 0)
+        tox_weechat_add_unsent_message(identity, recipient_id, message);
+
+    return rc;
+}
+

src/tox-weechat-messages.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2014 Håvard Pettersson <haavard.pettersson@gmail.com>
+ *
+ * This file is part of Tox-WeeChat.
+ *
+ * Tox-WeeChat is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Tox-WeeChat is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Tox-WeeChat.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TOX_WEECHAT_MESSAGES_H
+#define TOX_WEECHAT_MESSAGES_H
+
+#include <tox/tox.h>
+
+struct t_tox_weechat_identity;
+
+struct t_tox_weechat_unsent_message
+{
+    const char *message;
+    uint8_t recipient_id[TOX_CLIENT_ID_SIZE];
+
+    struct t_tox_weechat_unsent_message *next_message;
+    struct t_tox_weechat_unsent_message *prev_message;
+};
+
+uint32_t
+tox_weechat_send_friend_message(struct t_tox_weechat_identity *identity,
+                                int32_t friend_number,
+                                const char *message);
+
+#endif // TOX_WEECHAT_MESSAGES_H