Implemented file sending

src/commands.c

@@ -20,6 +20,8 @@ extern uint8_t num_frnd_requests;
 
 extern uint8_t pending_grp_requests[MAX_FRIENDS_NUM][TOX_CLIENT_ID_SIZE];
 
+extern 
+
 /* command functions */
 void cmd_accept(WINDOW *window, ToxWindow *prompt, Tox *m, int argc, char **argv)
 {
@@ -392,6 +394,68 @@ void cmd_quit(WINDOW *window, ToxWindow *prompt, Tox *m, int argc, char **argv)
     exit_toxic(m);
 }
 
+void cmd_sendfile(WINDOW *window, ToxWindow *prompt, Tox *m, int argc, char **argv)
+{
+    if (argc < 1) {
+        wprintw(window, "Wrong number of arguments.\n");
+        return;
+    }
+
+    uint8_t *friendname = argv[1];
+
+    int friendnum = get_friendnum(friendname);
+
+    if (friendnum == -1) {
+        wprintw(window, "Friend '%s' not found.\n", friendname);
+        return;
+    }
+
+    uint8_t *filename = argv[2];
+    int filename_len = strlen(filename);
+
+    if (filename[0] != '\"') {
+        wprintw(window, "File name must be enclosed in quotes.\n");
+        return;
+    }
+
+    filename[strlen(++filename)-1] = L'\0';
+
+    if (filename_len > MAX_STR_SIZE) {
+        wprintw(window, "File path exceeds character limit\n");
+        return;
+    }
+
+    FILE *file_to_send = fopen(filename, "r");
+
+    if (file_to_send == NULL) {
+        wprintw(window, "File '%s' not found\n", filename);
+        return;
+    }
+
+    fseek(file_to_send, 0, SEEK_END);
+    uint64_t filesize = ftell(file_to_send);
+    fseek(file_to_send, 0, SEEK_SET);
+
+    int filenum = tox_new_filesender(m, friendnum, filesize, filename, filename_len + 1);
+
+    if (filenum == -1) {
+        wprintw(window, "Error sending file\n");
+        return;
+    }
+
+    memcpy(file_senders[num_file_senders].filename, filename, filename_len + 1);
+    memcpy(file_senders[num_file_senders].friendname, friendname, strlen(friendname) + 1);
+    file_senders[num_file_senders].file = file_to_send;
+    file_senders[num_file_senders].filenum = filenum;
+    file_senders[num_file_senders].friendnum = friendnum;
+    file_senders[num_file_senders].piecelen = fread(file_senders[num_file_senders].nextpiece, 1,
+                                                    tox_filedata_size(m, friendnum), file_to_send);
+
+
+    wprintw(window, "Sending file '%s' to %s...\n", filename, friendname);
+    ++num_file_senders;
+}
+
 void cmd_status(WINDOW *window, ToxWindow *prompt, Tox *m, int argc, char **argv)
 {
     uint8_t *msg = NULL;

src/commands.h

@@ -15,11 +15,12 @@ void cmd_myid(WINDOW *, ToxWindow *, Tox *m, int, char **);
 void cmd_nick(WINDOW *, ToxWindow *, Tox *m, int, char **);
 void cmd_note(WINDOW *, ToxWindow *, Tox *m, int, char **);
 void cmd_quit(WINDOW *, ToxWindow *, Tox *m, int, char **);
+void cmd_sendfile(WINDOW *, ToxWindow *, Tox *m, int, char **);
 void cmd_status(WINDOW *, ToxWindow *, Tox *m, int, char **);
 
 void execute(WINDOW *window, ToxWindow *prompt, Tox *m, char *u_cmd, int buf_len);
 
-#define NUM_COMMANDS 15
+#define NUM_COMMANDS 16
 
 static struct {
     char *name;
@@ -39,5 +40,6 @@ static struct {
     { "/note",      cmd_note      },
     { "/q",         cmd_quit      },
     { "/quit",      cmd_quit      },
+    { "/sendfile",  cmd_sendfile  },
     { "/status",    cmd_status    },
 };

src/main.c

@@ -92,6 +92,7 @@ static Tox *init_tox()
 {
     /* Init core */
     Tox *m = tox_new(TOX_ENABLE_IPV6_DEFAULT);
+
     if (m == NULL)
         return NULL;
 
@@ -105,6 +106,10 @@ static Tox *init_tox()
     tox_callback_action(m, on_action, NULL);
     tox_callback_group_invite(m, on_groupinvite, NULL);
     tox_callback_group_message(m, on_groupmessage, NULL);
+    tox_callback_file_sendrequest(m, on_file_sendrequest, NULL);
+    tox_callback_file_control(m, on_file_control, NULL);
+    tox_callback_file_data(m, on_file_data, NULL);
+
 #ifdef __linux__
     tox_setname(m, (uint8_t *) "Cool guy", sizeof("Cool guy"));
 #elif defined(_WIN32)
@@ -114,6 +119,7 @@ static Tox *init_tox()
 #else
     tox_setname(m, (uint8_t *) "Registered Minix user #4", sizeof("Registered Minix user #4"));
 #endif
+
     return m;
 }
 
@@ -341,6 +347,36 @@ static void load_data(Tox *m, char *path)
     }
 }
 
+void do_file_senders(Tox *m)
+{
+    int i;
+
+    for (i = 0; i < NUM_FILE_SENDERS; ++i) {
+        if (file_senders[i].file == NULL)
+            continue;
+
+        while (true) {
+            if (!tox_file_senddata(m, file_senders[i].friendnum, file_senders[i].filenum,
+                                   file_senders[i].nextpiece, file_senders[i].piecelen))
+                return;
+
+            file_senders[i].piecelen = fread(file_senders[i].nextpiece, 1, tox_filedata_size(m, file_senders[i].friendnum),
+                                             file_senders[i].file);
+
+            if (file_senders[i].piecelen == 0) {
+                fclose(file_senders[i].file);
+                file_senders[i].file = NULL;
+                tox_file_sendcontrol(m, file_senders[i].friendnum, 0, file_senders[i].filenum, 3, 0, 0);
+                char msg[MAX_STR_SIZE + TOXIC_MAX_NAME_LENGTH + 50];
+                snprintf(msg, sizeof(msg), "File '%s' successfuly sent to %s.",
+                         file_senders[i].filename, file_senders[i].friendname);
+                wprintw(prompt->window, "%s\n", msg);
+                return;
+            }
+        }
+    }
+}
+
 void exit_toxic(Tox *m)
 {
     store_data(m, DATA_FILE);
@@ -442,10 +478,8 @@ int main(int argc, char *argv[])
     prompt_init_statusbar(prompt, m);
 
     while (true) {
-        /* Update tox */
         do_tox(m, prompt);
-
+        do_file_senders(m);
-        /* Draw */
         draw_active_window(m);
     }
 

src/toxic_windows.h

@@ -56,6 +56,9 @@ struct ToxWindow_ {
     void(*onAction)(ToxWindow *, Tox *, int, uint8_t *, uint16_t);
     void(*onGroupMessage)(ToxWindow *, Tox *, int, int, uint8_t *, uint16_t);
     void(*onGroupInvite)(ToxWindow *, Tox *, int, uint8_t *);
+    void(*onFileSendRequest)(ToxWindow *, Tox *, int, uint8_t, uint64_t, uint8_t *, uint16_t);
+    void(*onFileControl)(ToxWindow *, Tox *, int, uint8_t, uint8_t, uint8_t, uint8_t *, uint16_t);
+    void(*onFileData)(ToxWindow *, Tox *, int, uint8_t, uint8_t *, uint16_t);
 
     char name[TOX_MAX_NAME_LENGTH];
     int num;
@@ -92,6 +95,22 @@ typedef struct {
     bool active;
 } GroupChat;
 
+#define NUM_FILE_SENDERS 256
+#define FILE_PIECE_SIZE 1024
+
+typedef struct {
+    FILE *file;
+    uint16_t friendnum;
+    uint8_t filenum;
+    uint8_t nextpiece[FILE_PIECE_SIZE];
+    uint16_t piecelen;
+    uint8_t friendname[TOXIC_MAX_NAME_LENGTH];
+    uint8_t filename[MAX_STR_SIZE];
+} FileSender;
+
+FileSender file_senders[NUM_FILE_SENDERS];
+uint8_t num_file_senders;
+
 void on_request(uint8_t *public_key, uint8_t *data, uint16_t length, void *userdata);
 void on_connectionchange(Tox *m, int friendnumber, uint8_t status, void *userdata);
 void on_message(Tox *m, int friendnumber, uint8_t *string, uint16_t length, void *userdata);
@@ -102,6 +121,10 @@ void on_statusmessagechange(Tox *m, int friendnumber, uint8_t *string, uint16_t
 void on_friendadded(Tox *m, int friendnumber);
 void on_groupmessage(Tox *m, int groupnumber, int peernumber, uint8_t *message, uint16_t length, void *userdata);
 void on_groupinvite(Tox *m, int friendnumber, uint8_t *group_pub_key, void *userdata);
+void on_file_sendrequest(Tox *m, int friendnumber, uint8_t filenumber, uint64_t filesize, uint8_t *filename, uint16_t filename_length, void *userdata);
+void on_file_control (Tox *m, int friendnumber, uint8_t receive_send, uint8_t filenumber, uint8_t control_type, uint8_t *data, uint16_t length, void *userdata);
+void on_file_data(Tox *m, int friendnumber, uint8_t filenumber, uint8_t *data, uint16_t length, void *userdata);
+
 ToxWindow *init_windows();
 void draw_active_window(Tox *m);
 int add_window(Tox *m, ToxWindow w);

src/windows.c

@@ -137,6 +137,41 @@ void on_groupinvite(Tox *m, int friendnumber, uint8_t *group_pub_key, void *user
             windows[i].onGroupInvite(&windows[i], m, friendnumber, group_pub_key);
     }
 }
+
+void on_file_sendrequest(Tox *m, int friendnumber, uint8_t filenumber, uint64_t filesize, 
+                         uint8_t *filename, uint16_t filename_length, void *userdata)
+{
+    int i;
+
+    for (i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i].onFileSendRequest != NULL)
+            windows[i].onFileSendRequest(&windows[i], m, friendnumber, filenumber, filesize,
+                                         filename, filename_length);
+    }
+}
+
+void on_file_control (Tox *m, int friendnumber, uint8_t receive_send, uint8_t filenumber, 
+                      uint8_t control_type, uint8_t *data, uint16_t length, void *userdata)
+{
+    int i;
+
+    for (i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i].onFileControl != NULL)
+            windows[i].onFileControl(&windows[i], m, friendnumber, receive_send, filenumber,
+                                     control_type, data, length);
+    }
+}
+
+void on_file_data(Tox *m, int friendnumber, uint8_t filenumber, uint8_t *data, uint16_t length, void *userdata)
+{
+    int i;
+
+    for (i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i].onFileData != NULL)
+            windows[i].onFileData(&windows[i], m, friendnumber, filenumber, data, length);
+    }
+}
+
 /* CALLBACKS END */
 
 int add_window(Tox *m, ToxWindow w)