cs_example.c

   1 #include <assert.h>
   2 #include <pthread.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5
   6 #include "deps/dragonnet/listen.h"
   7 #include "dnet-types.h"
   8
   9 static DragonnetListener *l;
  10
  11 static void connect_func(DragonnetPeer *p)
  12 {
  13         char *str_addr = dragonnet_addr_str(p->raddr);
  14         printf("new connection from %s\n", str_addr);
  15         free(str_addr);
  16 }
  17
  18 static void handle_pingpacket(DragonnetPeer *p, PingPacket *ping)
  19 {
  20         Blob blob = ping->compr_blob->blob;
  21
  22         printf("PingPacket siz: 0x%08x\n", blob->siz);
  23         printf("PingPacket compr_siz: 0x%08x\n", ping->compr_blob->siz);
  24         printf("PingPacket data: 0x%02x%02x\n", blob->data[0], blob->data[1]);
  25
  26         free(blob->data);
  27         free(blob);
  28
  29         dragonnet_peer_send_PongPacket(p, &(PongPacket) {
  30                 .number = 0xdba,
  31                 .num_array = {0xd, 0xba}
  32         });
  33
  34         dragonnet_listener_close(l);
  35         dragonnet_listener_delete(l);
  36         l = NULL;
  37
  38         dragonnet_peer_close(p);
  39         dragonnet_peer_delete(p);
  40 }
  41
  42 static void handle_pongpacket(DragonnetPeer *p, PongPacket *pong)
  43 {
  44         printf("PongPacket number: 0x%08x\n", pong->number);
  45         printf("PongPacket num_array[0]: 0x%02x\n", pong->num_array[0]);
  46         printf("PongPacket num_array[1]: 0x%02x\n", pong->num_array[1]);
  47
  48         dragonnet_peer_close(p);
  49         dragonnet_peer_delete(p);
  50 }
  51
  52 static void *srv_func(__attribute((unused)) void *unused)
  53 {
  54         l = dragonnet_listener_new("[::1]:50000", &connect_func);
  55         assert(l != NULL);
  56
  57         dragonnet_listener_set_recv_hook(l, DRAGONNET_TYPE_PINGPACKET,
  58                         (void (*)(DragonnetPeer *, void *)) &handle_pingpacket);
  59         dragonnet_listener_run(l);
  60         return NULL;
  61 }
  62
  63 static void *clt_func(__attribute((unused)) void *unused)
  64 {
  65         while (l == NULL);
  66
  67         DragonnetPeer *p = dragonnet_connect("[::1]:50000");
  68         assert(p != NULL);
  69
  70         dragonnet_peer_set_recv_hook(p, DRAGONNET_TYPE_PONGPACKET,
  71                         (void (*)(DragonnetPeer *, void *)) &handle_pongpacket);
  72         dragonnet_peer_run(p);
  73
  74         CompressedBlob compr_blob = malloc(sizeof *compr_blob);
  75         compr_blob->blob = malloc(sizeof *compr_blob->blob);
  76         compr_blob->blob->siz = 2;
  77         compr_blob->blob->data = (u8 *) "\x0d\xba";
  78
  79         dragonnet_peer_send_PingPacket(p, &(PingPacket) {
  80                 .compr_blob = compr_blob
  81         });
  82
  83         free(compr_blob->blob);
  84         free(compr_blob);
  85         return NULL;
  86 }
  87
  88 int main(__attribute((unused)) int argc, __attribute((unused)) char **argv)
  89 {
  90         pthread_t srv_thread, clt_thread;
  91         pthread_create(&srv_thread, NULL, &srv_func, NULL);
  92         pthread_create(&clt_thread, NULL, &clt_func, NULL);
  93
  94         pthread_join(clt_thread, NULL);
  95         pthread_join(srv_thread, NULL);
  96
  97         while (true);
  98 }