int main(int argc, char *argv[]) {
struct nodeID *local_node;
struct cloud_helper_context *cloud_ctx;
struct psample_context *ps_ctx;
uint8_t buff[1024];
local_node = net_helper_init("127.0.0.1", 1234, "");
cloud_ctx = cloud_helper_init(local_node,
"provder=delegate,delegate_lib=my_helper.so," \
"param1=value1,...");
ps_ctx = psample_init(local_node, NULL, 0,
"protocol=cloudcast,cache_size=25");
/* Perform first cycle to initialize the protocol */
psample_parse_data(con->ps_context, NULL, 0);
while(1) {
const struct timeval tout = {1, 0};
int data_source = -1;
int news = 0;
/* Wait for incoming data either from peers or cloud */
news = wait4any_threaded(local_node, cloud_ctx, &tout, NULL,
&data_source);
if (news > 0) {
struct nodeID *remote = NULL;
int len = 0;
/* Incoming data available, perform passive thread */
if (data_source == DATA_SOURCE_NET) {
len = recv_from_peer(local_node, &remote, buff, 1024);
}
else if (data_source == DATA_SOURCE_CLOUD) {
len = recv_from_cloud(cloud_ctx, buff, 1024);
}
psample_parse_data(con->ps_context, buff, len);
if (remote) nodeid_free(remote);
} else {
/* Let the peer sampler handles active cycles and
sleep periods */
psample_parse_data(ps_ctx, NULL, 0);
}
}
}
static void loop(struct context *con)
{
int done = 0;
#define BUFFSIZE 1024
static uint8_t buff[BUFFSIZE];
int cnt = 0;
psample_parse_data(con->ps_context, NULL, 0);
while (!done) {
int len;
int news;
int data_source;
const struct timeval tout = {1, 0};
struct timeval t1;
t1 = tout;
news = wait4any_threaded(con->net_context, con->cloud_context, &t1, NULL, &data_source);
if (news > 0) {
struct nodeID *remote = NULL;
// printf("Got data from: %d\n", data_source);
if (data_source == DATA_SOURCE_NET)
len = recv_from_peer(con->net_context, &remote, buff, BUFFSIZE);
else if (data_source == DATA_SOURCE_CLOUD)
len = recv_from_cloud(con->cloud_context, buff, BUFFSIZE);
psample_parse_data(con->ps_context, buff, len);
if (remote) nodeid_free(remote);
} else {
if (psample_parse_data(con->ps_context, NULL, 0) != 0){
fprintf(stderr, "Error parsing data... quitting\n");
exit(1);
}
if (cnt % 10 == 0) {
const struct nodeID *const *neighbourhoods;
char addr[256];
int n, i;
neighbourhoods = psample_get_cache(con->ps_context, &n);
printf("I have %d neighbours:\n", n);
for (i = 0; i < n; i++) {
node_addr(neighbourhoods[i], addr, 256);
printf("\t%d: %s\n", i, addr);
}
fflush(stdout);
if (fprefix) {
FILE *f;
char fname[64];
fprintf(stderr, "ci sono??? %s\n", fprefix);
sprintf(fname, "%s-%d.txt", fprefix, port);
f = fopen(fname, "w");
if (f) fprintf(f, "#Cache size: %d\n", n);
for (i = 0; i < n; i++) {
node_addr(neighbourhoods[i], addr, 256);
if (f) fprintf(f, "%d\t\t%d\t%s\n", port, i, addr);
}
fclose(f);
}
}
cnt++;
}
}
}
