+// Function to receive a message
+ssize_t recvfromSwift(Swift s, void *buf, size_t len, int flags,
+ struct sockSwiftaddr *from, socklen_t fromlen)
+{
+ struct sockaddr s_other;
+ socklen_t slen=sizeof(s_other);
+ ssize_t rec = -1, send;
+ char *command = "test";
+ struct listsockaddr lsa = transformFromSwiftToAddr(*from);
+ int i, channel;
+
+ Dprintf("create recv channel\n");
+ // TODO make pool
+ if (s->usedChannels < s->maxChannels)
+ {
+ channel = s->usedChannels++;
+ CHECK(s->recvChannel[channel] = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP));
+
+ for ( i = 0 ; i < lsa.N ; i++)
+ {
+ Dprintf("send information to %s\n", inet_ntoa(lsa.sa[0].sin_addr));
+ send = sendto(s->recvChannel[channel], command, strlen(command), 0, (const struct sockaddr *)&lsa.sa[i], sizeof(lsa.sa[i]));
+ }
+
+ Dprintf("receive data\n");
+ // I'm waiting for response
+ rec = recvfrom(s->recvChannel[channel], buf, len, flags, (struct sockaddr * __restrict__)&s_other, &slen);
+
+ close(s->recvChannel[channel]);
+ s->usedChannels--;
+ }
+ return rec;
+}
+
+// Function to send a message
+ssize_t sendToSwift(Swift s, const void *buf, size_t len, int flags,
+ const struct sockSwiftaddr *to, socklen_t tolen)
+{
+ struct listsockaddr lsa = transformFromSwiftToAddr(*to);
+ int i;
+ ssize_t send = -1;
+
+ Dprintf("send data\n");
+ for ( i = 0 ; i < lsa.N ; i++)
+ {
+ send = sendto(s->sendChannel, buf, len, flags, (const struct sockaddr *)&lsa.sa[i], sizeof(lsa.sa[i]));
+ }
+
+ return send;
+}
+// Function to listen to a port