Fixed TOX_MAX_MESSAGE_LENGTH define.

Removed some useless code from toxcore.

Astyled core code with new version of astyle.

testing/nTox.c

@@ -1257,8 +1257,6 @@ int main(int argc, char *argv[])
     time_t timestamp0 = time(NULL);
 
     uint8_t pollok = 0;
-    uint16_t len = tox_wait_data_size();
-    uint8_t data[len];
 
     while (1) {
         if (on == 0) {

toxcore/Messenger.c

@@ -2427,31 +2427,6 @@ void do_messenger(Messenger *m)
 #endif /* LOGGING */
 }
 
-/*
- * functions to avoid excessive polling
- */
-size_t wait_data_size()
-{
-    return networking_wait_data_size();
-}
-
-int wait_prepare_messenger(Messenger *m, uint8_t *data)
-{
-    //TODO
-    //return networking_wait_prepare(m->net, sendqueue_total(m->net_crypto->lossless_udp), data);
-    return networking_wait_prepare(m->net, 1024, data);
-}
-
-int wait_execute_messenger(uint8_t *data, long seconds, long microseconds)
-{
-    return networking_wait_execute(data, seconds, microseconds);
-}
-
-int wait_cleanup_messenger(Messenger *m, uint8_t *data)
-{
-    return networking_wait_cleanup(m->net, data);
-}
-
 /* new messenger format for load/save, more robust and forward compatible */
 
 #define MESSENGER_STATE_COOKIE_GLOBAL_OLD 0x15ed1b1e

toxcore/Messenger.h

@@ -727,14 +727,6 @@ void do_messenger(Messenger *m);
  */
 uint32_t messenger_run_interval(Messenger *m);
 
-/*
- * functions to avoid excessive polling
- */
-size_t wait_data_size();
-int wait_prepare_messenger(Messenger *m, uint8_t *data);
-int wait_execute_messenger(uint8_t *data, long seconds, long microseconds);
-int wait_cleanup_messenger(Messenger *m, uint8_t *data);
-
 /* SAVING AND LOADING FUNCTIONS: */
 
 /* return size of the messenger data (for saving). */

toxcore/assoc.c

@@ -1005,8 +1005,8 @@ void Assoc_status(Assoc *assoc)
                             entry->used_at ? (int)(unix_time() - entry->used_at) : 0,
                             entry->seen_at ? (int)(unix_time() - entry->seen_at) : 0,
                             entry->seen_at ? (entry->seen_family == AF_INET ? '4' : (entry->seen_family == AF_INET6 ? '6' : '?')) : '?',
-                                entry->heard_at ? (int)(unix_time() - entry->heard_at) : 0,
-                                entry->heard_at ? (entry->heard_family == AF_INET ? '4' : (entry->heard_family == AF_INET6 ? '6' : '?')) : '?');
+                            entry->heard_at ? (int)(unix_time() - entry->heard_at) : 0,
+                            entry->heard_at ? (entry->heard_family == AF_INET ? '4' : (entry->heard_family == AF_INET6 ? '6' : '?')) : '?');
             }
         }
     }

toxcore/network.c

@@ -424,133 +424,6 @@ void networking_poll(Networking_Core *net)
     }
 }
 
-/*
- * function to avoid excessive polling
- */
-typedef struct {
-    sock_t   sock;
-    uint32_t sendqueue_length;
-    uint16_t send_fail_reset;
-    uint64_t send_fail_eagain;
-} select_info;
-
-size_t networking_wait_data_size()
-{
-    return sizeof(select_info);
-}
-
-int networking_wait_prepare(Networking_Core *net, uint32_t sendqueue_length, uint8_t *data)
-{
-    if (data == NULL) {
-        return 0;
-    }
-
-    select_info *s = (select_info *)data;
-    s->sock = net->sock;
-    s->sendqueue_length = sendqueue_length;
-    s->send_fail_reset = 0;
-    s->send_fail_eagain = net->send_fail_eagain;
-
-    return 1;
-}
-
-/* *** Function MUSTN'T poll. ***
-* The function mustn't modify anything at all, so it can be called completely
-* asynchronously without any worry.
-*/
-int networking_wait_execute(uint8_t *data, long seconds, long microseconds)
-{
-    /* WIN32: supported since Win2K, but might need some adjustements */
-    /* UNIX: this should work for any remotely Unix'ish system */
-
-    if (data == NULL) {
-        return 0;
-    }
-
-    select_info *s = (select_info *)data;
-
-    /* add only if we had a failed write */
-    int writefds_add = 0;
-
-    /* if send_fail_eagain is set, that means that socket's buffer was full and couldn't fit data we tried to send,
-    *  so this is the only case when we need to know when the socket becomes write-ready, i.e. socket's buffer gets
-    *  some free space for us to put data to be sent in, but select will tell us that the socket is writable even
-    *  if we can fit a small part of our data (say 1 byte), so we wait some time, in hope that large enough chunk
-    *  of socket's buffer will be available (at least that's how I understand intentions of the previous author of
-    *  that code)
-    */
-    if (s->send_fail_eagain != 0) {
-        // current_time(): milliseconds
-        uint64_t now = current_time_monotonic();
-
-        /* s->sendqueue_length: might be used to guess how long we keep checking */
-        /* for now, threshold is hardcoded to 250ms, too long for a really really
-         * fast link, but too short for a sloooooow link... */
-        if (now - s->send_fail_eagain < 250) {
-            writefds_add = 1;
-        }
-    }
-
-    int nfds = 1 + s->sock;
-
-    /* the FD_ZERO calls might be superfluous */
-    fd_set readfds;
-    FD_ZERO(&readfds);
-    FD_SET(s->sock, &readfds);
-
-    fd_set writefds;
-    FD_ZERO(&writefds);
-
-    if (writefds_add) {
-        FD_SET(s->sock, &writefds);
-    }
-
-    fd_set exceptfds;
-    FD_ZERO(&exceptfds);
-    FD_SET(s->sock, &exceptfds);
-
-    struct timeval timeout;
-    struct timeval *timeout_ptr = &timeout;
-
-    if (seconds < 0 || microseconds < 0) {
-        timeout_ptr = NULL;
-    } else {
-        timeout.tv_sec = seconds;
-        timeout.tv_usec = microseconds;
-    }
-
-    /* returns -1 on error, 0 on timeout, the socket on activity */
-    int res = select(nfds, &readfds, &writefds, &exceptfds, timeout_ptr);
-
-    LOGGER_SCOPE(
-
-        if (res) LOGGER_INFO("select(%d, %d): %d (%d, %s) - %d %d %d\n", microseconds, seconds, res, errno,
-                             strerror(errno), FD_ISSET(s->sock, &readfds), FD_ISSET(s->sock, &writefds),
-                             FD_ISSET(s->sock, &exceptfds));
-    );
-
-    if (FD_ISSET(s->sock, &writefds)) {
-        s->send_fail_reset = 1;
-    }
-
-    return res > 0 ? 2 : 1;
-}
-
-int networking_wait_cleanup(Networking_Core *net, uint8_t *data)
-{
-    if (data == NULL) {
-        return 0;
-    }
-
-    select_info *s = (select_info *)data;
-
-    if (s->send_fail_reset) {
-        net->send_fail_eagain = 0;
-    }
-
-    return 1;
-}
-
 #ifndef VANILLA_NACL
 /* Used for sodium_init() */
 #include <sodium.h>

toxcore/network.h

@@ -350,14 +350,6 @@ void networking_registerhandler(Networking_Core *net, uint8_t byte, packet_handl
 /* Call this several times a second. */
 void networking_poll(Networking_Core *net);
 
-/*
- * functions to avoid excessive polling
- */
-size_t networking_wait_data_size();
-int networking_wait_prepare(Networking_Core *net, uint32_t sendqueue_length, uint8_t *data);
-int networking_wait_execute(uint8_t *data, long seconds, long microseconds);
-int networking_wait_cleanup(Networking_Core *net, uint8_t *data);
-
 /* Initialize networking.
  * bind to ip and port.
  * ip must be in network order EX: 127.0.0.1 = (7F000001).

toxcore/onion_announce.c

@@ -52,7 +52,8 @@
 int send_announce_request(Networking_Core *net, Onion_Path *path, Node_format dest, uint8_t *public_key,
                           uint8_t *secret_key, uint8_t *ping_id, uint8_t *client_id, uint8_t *data_public_key, uint64_t sendback_data)
 {
-    uint8_t plain[ONION_PING_ID_SIZE + crypto_box_PUBLICKEYBYTES + crypto_box_PUBLICKEYBYTES + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH];
+    uint8_t plain[ONION_PING_ID_SIZE + crypto_box_PUBLICKEYBYTES + crypto_box_PUBLICKEYBYTES +
+                  ONION_ANNOUNCE_SENDBACK_DATA_LENGTH];
     memcpy(plain, ping_id, ONION_PING_ID_SIZE);
     memcpy(plain + ONION_PING_ID_SIZE, client_id, crypto_box_PUBLICKEYBYTES);
     memcpy(plain + ONION_PING_ID_SIZE + crypto_box_PUBLICKEYBYTES, data_public_key, crypto_box_PUBLICKEYBYTES);
@@ -223,7 +224,8 @@ static int handle_announce_request(void *object, IP_Port source, uint8_t *packet
     uint8_t shared_key[crypto_box_BEFORENMBYTES];
     get_shared_key(&onion_a->shared_keys_recv, shared_key, onion_a->dht->self_secret_key, packet_public_key);
 
-    uint8_t plain[ONION_PING_ID_SIZE + crypto_box_PUBLICKEYBYTES + crypto_box_PUBLICKEYBYTES + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH];
+    uint8_t plain[ONION_PING_ID_SIZE + crypto_box_PUBLICKEYBYTES + crypto_box_PUBLICKEYBYTES +
+                  ONION_ANNOUNCE_SENDBACK_DATA_LENGTH];
     int len = decrypt_data_symmetric(shared_key, packet + 1, packet + 1 + crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES,
                                      ONION_PING_ID_SIZE + crypto_box_PUBLICKEYBYTES + crypto_box_PUBLICKEYBYTES + ONION_ANNOUNCE_SENDBACK_DATA_LENGTH +
                                      crypto_box_MACBYTES, plain);

toxcore/tox.c

@@ -820,32 +820,6 @@ void tox_do(Tox *tox)
     do_messenger(m);
 }
 
-/*
- * functions to avoid excessive polling
- */
-
-size_t tox_wait_data_size()
-{
-    return wait_data_size();
-}
-
-int tox_wait_prepare(Tox *tox, uint8_t *data)
-{
-    Messenger *m = tox;
-    return wait_prepare_messenger(m, data);
-}
-
-int tox_wait_execute(uint8_t *data, long seconds, long microseconds)
-{
-    return wait_execute_messenger(data, seconds, microseconds);
-}
-
-int tox_wait_cleanup(Tox *tox, uint8_t *data)
-{
-    Messenger *m = tox;
-    return wait_cleanup_messenger(m, data);
-}
-
 /* SAVING AND LOADING FUNCTIONS: */
 
 /*  return size of the messenger data (for saving). */

toxcore/tox.h

@@ -26,50 +26,20 @@
 
 #include <stdint.h>
 
-#if defined(_WIN32) || defined(__WIN32__) || defined (WIN32)
-#ifndef WINVER
-//Windows XP
-#define WINVER 0x0501
-#endif
-
-#include <winsock2.h>
-#include <windows.h>
-#include <ws2tcpip.h>
-
-
-#ifndef true
-#define true 1
-#endif
-#ifndef false
-#define false 0
-#endif
-#else
-
-#include <sys/types.h>
-#ifdef __OpenBSD__
-#include <netinet/in_systm.h>
-#endif
-#include <netinet/in.h>
-#include <netinet/ip.h>
-
-#endif
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #define TOX_MAX_NAME_LENGTH 128
-/* Maximum message and action length that can be sent. */
-#define TOX_MAX_MESSAGE_LENGTH 1003
+
+/* Maximum length of single messages after which they should be split. */
+#define TOX_MAX_MESSAGE_LENGTH 1368
 #define TOX_MAX_STATUSMESSAGE_LENGTH 1007
 #define TOX_CLIENT_ID_SIZE 32
 
 #define TOX_FRIEND_ADDRESS_SIZE (TOX_CLIENT_ID_SIZE + sizeof(uint32_t) + sizeof(uint16_t))
 
-#define TOX_PORTRANGE_FROM 33445
-#define TOX_PORTRANGE_TO   33545
-#define TOX_PORT_DEFAULT   TOX_PORTRANGE_FROM
-
 #define TOX_ENABLE_IPV6_DEFAULT 1
 
 /* Errors for m_addfriend
@@ -177,6 +147,10 @@ int tox_friend_exists(Tox *tox, int32_t friendnumber);
  *  return the message id if packet was successfully put into the send queue.
  *  return 0 if it was not.
  *
+ * maximum length of messages is TOX_MAX_MESSAGE_LENGTH, your client must split larger messages
+ * or else sending them will not work. No the core will not split messages for you because that
+ * requires me to parse UTF-8.
+ *
  * You will want to retain the return value, it will be passed to your read_receipt callback
  * if one is received.
  * m_sendmessage_withid will send a message with the id of your choosing,
@@ -190,6 +164,10 @@ uint32_t tox_send_message_withid(Tox *tox, int32_t friendnumber, uint32_t theid,
  *  return the message id if packet was successfully put into the send queue.
  *  return 0 if it was not.
  *
+ * maximum length of actions is TOX_MAX_MESSAGE_LENGTH, your client must split larger actions
+ * or else sending them will not work. No the core will not split actions for you because that
+ * requires me to parse UTF-8.
+ *
  *  You will want to retain the return value, it will be passed to your read_receipt callback
  *  if one is received.
  *  m_sendaction_withid will send an action message with the id of your choosing,
@@ -235,6 +213,7 @@ int tox_get_self_name_size(Tox *tox);
 /* Set our user status.
  *
  * userstatus must be one of TOX_USERSTATUS values.
+ * max length of the status is TOX_MAX_STATUSMESSAGE_LENGTH.
  *
  *  returns 0 on success.
  *  returns -1 on failure.