Messaging now works in group chats.

testing/experiment/group_chats.c

@@ -110,6 +110,9 @@ static int peer_okping(Group_Chat *chat, uint8_t *client_id)
     uint32_t i, j = 0;
     uint64_t temp_time = unix_time();
 
+    if (memcmp(chat->self_public_key, client_id, crypto_box_PUBLICKEYBYTES) == 0)
+        return -1;
+
     for (i = 0; i < GROUP_CLOSE_CONNECTIONS; ++i) {
         if (chat->close[i].last_recv + BAD_NODE_TIMEOUT < temp_time) {
             ++j;
@@ -201,7 +204,7 @@ static uint8_t sendto_allpeers(Group_Chat *chat, uint8_t *data, uint16_t length,
     uint64_t temp_time = unix_time();
 
     for (i = 0; i < GROUP_CLOSE_CONNECTIONS; ++i) {
-        if (chat->close[i].ip_port.ip.uint32 != 0 && chat->close[i].last_recv > temp_time + BAD_NODE_TIMEOUT) {
+        if (chat->close[i].ip_port.ip.uint32 != 0 && chat->close[i].last_recv + BAD_NODE_TIMEOUT > temp_time) {
             if (send_groupchatpacket(chat, chat->close[i].ip_port, chat->close[i].client_id, data, length, request_id) == 0)
                 ++sent;
         }
@@ -392,7 +395,9 @@ static int handle_data(Group_Chat *chat, uint8_t *data, uint32_t len)
     memcpy(&message_num, data + crypto_box_PUBLICKEYBYTES, sizeof(uint32_t));
     message_num = ntohl(message_num);
 
-    if (message_num - chat->group[peernum].last_message_number > 64 ||
+    if (chat->group[peernum].last_message_number == 0) {
+        chat->group[peernum].last_message_number = message_num;
+    } else if (message_num - chat->group[peernum].last_message_number > 64 ||
                message_num == chat->group[peernum].last_message_number)
         return 1;
 
@@ -400,9 +405,11 @@ static int handle_data(Group_Chat *chat, uint8_t *data, uint32_t len)
 
     int handled = 0;
 
-    if (data[crypto_box_PUBLICKEYBYTES + sizeof(message_num)] == 64
-            && chat->group_message != NULL) { /* If message is chat message */
-        (*chat->group_message)(chat, peernum, data + GROUP_DATA_MIN_SIZE, len - 1, chat->group_message_userdata);
+    if (data[crypto_box_PUBLICKEYBYTES + sizeof(message_num)] == 64) {
+        if (chat->group_message != NULL)  /* If message is chat message */
+            (*chat->group_message)(chat, peernum, data + GROUP_DATA_MIN_SIZE, len - GROUP_DATA_MIN_SIZE,
+                                   chat->group_message_userdata);
+
         handled = 1;
     }
 
@@ -420,10 +427,16 @@ static uint8_t send_data(Group_Chat *chat, uint8_t *data, uint32_t len, uint8_t
         return 1;
 
     uint8_t packet[MAX_DATA_SIZE];
+    ++chat->message_number;
+
+    if (chat->message_number == 0)
+        chat->message_number = 1;
+
     uint32_t message_num = htonl(chat->message_number);
 //TODO
     memcpy(packet, chat->self_public_key, crypto_box_PUBLICKEYBYTES);
     memcpy(packet + crypto_box_PUBLICKEYBYTES, &message_num, sizeof(message_num));
+    memcpy(packet + GROUP_DATA_MIN_SIZE, data, len);
     packet[crypto_box_PUBLICKEYBYTES + sizeof(message_num)] = message_id;
     return sendto_allpeers(chat, packet, len + GROUP_DATA_MIN_SIZE, 50);
 }

testing/experiment/group_chats_test.c

@@ -54,6 +54,11 @@ void print_group(Group_Chat *chat)
     }
 }
 
+void print_message(Group_Chat *chat, int peer_number, uint8_t *message, uint16_t length, void *userdata)
+{
+    printf("%u: %s | %u\n", peer_number, message, length);
+}
+
 int main()
 {
     IP ip;
@@ -68,6 +73,7 @@ int main()
             exit(1);
 
         networking_registerhandler(chats[i]->net, 48, &handle_groupchatpacket, chats[i]);
+        callback_groupmessage(chats[i], &print_message, 0);
     }
 
     printf("ok\n");

testing/experiment/group_chats_test1.c

@@ -0,0 +1,114 @@
+#include "group_chats.h"
+#define NUM_CHATS 8
+
+#ifdef WIN32
+#define c_sleep(x) Sleep(1*x)
+#else
+#define c_sleep(x) usleep(1000*x)
+#endif
+Group_Chat *chat;
+
+void print_close(Group_Close *close)
+{
+    uint32_t i, j;
+    IP_Port p_ip;
+    printf("___________________CLOSE________________________________\n");
+
+    for (i = 0; i < GROUP_CLOSE_CONNECTIONS; i++) {
+        printf("ClientID: ");
+
+        for (j = 0; j < CLIENT_ID_SIZE; j++) {
+            printf("%02hhX", close[i].client_id[j]);
+        }
+
+        p_ip = close[i].ip_port;
+        printf("\nIP: %u.%u.%u.%u Port: %u", p_ip.ip.uint8[0], p_ip.ip.uint8[1], p_ip.ip.uint8[2], p_ip.ip.uint8[3],
+               ntohs(p_ip.port));
+        printf("\nTimestamp: %llu", (long long unsigned int) close[i].last_recv);
+        printf("\n");
+    }
+}
+
+void print_group(Group_Chat *chat)
+{
+    uint32_t i, j;
+    printf("-----------------\nClientID: ");
+
+    for (j = 0; j < CLIENT_ID_SIZE; j++) {
+        printf("%02hhX", chat->self_public_key[j]);
+    }
+
+    printf("\n___________________GROUP________________________________\n");
+
+    for (i = 0; i < chat->numpeers; i++) {
+        printf("ClientID: ");
+
+        for (j = 0; j < CLIENT_ID_SIZE; j++) {
+            printf("%02hhX", chat->group[i].client_id[j]);
+        }
+
+        printf("\nTimestamp: %llu", (long long unsigned int) chat->group[i].last_recv);
+        printf("\nlast_pinged: %llu", (long long unsigned int) chat->group[i].last_pinged);
+        printf("\npingid: %llu", (long long unsigned int) chat->group[i].pingid);
+        printf("\n");
+    }
+}
+
+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;
+}
+
+void print_message(Group_Chat *chat, int peer_number, uint8_t *message, uint16_t length, void *userdata)
+{
+    printf("%u: %s | %u\n", peer_number, message, length);
+}
+
+int main(int argc, char *argv[])
+{
+    IP ip;
+    ip.uint32 = 0;
+    uint32_t i;
+
+    chat = new_groupchat(new_networking(ip, 12745));
+
+    if (chat == 0)
+        exit(1);
+
+    networking_registerhandler(chat->net, 48, &handle_groupchatpacket, chat);
+
+    callback_groupmessage(chat, &print_message, 0);
+
+    printf("ok\n");
+    IP_Port bootstrap_ip_port;
+    bootstrap_ip_port.port = htons(atoi(argv[2]));
+    /* bootstrap_ip_port.ip.c[0] = 127;
+     * bootstrap_ip_port.ip.c[1] = 0;
+     * bootstrap_ip_port.ip.c[2] = 0;
+     * bootstrap_ip_port.ip.c[3] = 1; */
+    bootstrap_ip_port.ip.uint32 = inet_addr(argv[1]);
+
+    chat_bootstrap(chat, bootstrap_ip_port, hex_string_to_bin(argv[3]));
+
+    while (1) {
+
+        networking_poll(chat->net);
+        do_groupchat(chat);
+        printf("%u ", chat->numpeers);
+        printf("%u\n", group_sendmessage(chat, "Install Gentoo", sizeof("Install Gentoo")));
+        //print_close(chat->close);
+        // print_group(chat);
+
+        c_sleep(100);
+    }
+
+    return 0;
+}