int main(int argc, char *argv[]) {
pid_t pid;
pid = fork();
int rc = 0;
rc = populate_servers(servers);
if (rc == -1) {
printf("FATAL: Could not populate server configuration !");
return 0;
}
/* Create a child processes to run as server */
if (pid == 0) {
if (argv[1]) {
struct client_data *data = (struct client_data *)calloc(1, sizeof(struct client_data));
pthread_t thread;
data->ip = servers[atoi(argv[1])][0];
data->port = servers[atoi(argv[1])][1];
data->hash_table = hash_table;
pthread_create (&thread, NULL, start_server, (void *)data);
pthread_join(thread, NULL);
} else {
printf("Did not start the server as an instance wasn't specified\n");
}
} else {
pthread_t client_thread;
pthread_create (&client_thread, NULL, start_client, NULL);
pthread_join(client_thread, NULL);
kill( pid, SIGINT );
}
return 0;
}
static VBUCKET_CONFIG_HANDLE parse_vbucket_config(VBUCKET_CONFIG_HANDLE vb, cJSON *c)
{
cJSON *json, *config;
config = cJSON_GetObjectItem(c, "vBucketServerMap");
if (config == NULL || config->type != cJSON_Object) {
/* seems like config without envelop, try to parse it */
config = c;
}
json = cJSON_GetObjectItem(config, "numReplicas");
if (json == NULL || json->type != cJSON_Number ||
json->valueint > MAX_REPLICAS) {
errstr = "Expected number <= " STRINGIFY(MAX_REPLICAS) " for numReplicas";
return NULL;
}
vb->num_replicas = json->valueint;
json = cJSON_GetObjectItem(config, "serverList");
if (json == NULL || json->type != cJSON_Array) {
errstr = "Expected array for serverList";
return NULL;
}
vb->num_servers = cJSON_GetArraySize(json);
if (vb->num_servers == 0) {
errstr = "Empty serverList";
return NULL;
}
if (populate_servers(vb, json) != 0) {
return NULL;
}
/* optionally update server info using envelop (couchdb_api_base etc.) */
json = cJSON_GetObjectItem(c, "nodes");
if (json) {
if (json->type != cJSON_Array) {
errstr = "Expected array for nodes";
return NULL;
}
if (update_server_info(vb, json) != 0) {
return NULL;
}
}
json = cJSON_GetObjectItem(config, "vBucketMap");
if (json == NULL || json->type != cJSON_Array) {
errstr = "Expected array for vBucketMap";
return NULL;
}
vb->num_vbuckets = cJSON_GetArraySize(json);
if (vb->num_vbuckets == 0 || (vb->num_vbuckets & (vb->num_vbuckets - 1)) != 0) {
errstr = "Number of buckets must be a power of two > 0 and <= " STRINGIFY(MAX_BUCKETS);
return NULL;
}
vb->mask = vb->num_vbuckets - 1;
if (populate_buckets(vb, json, 0) != 0) {
return NULL;
}
/* vbucket forward map could possibly be null */
json = cJSON_GetObjectItem(config, "vBucketMapForward");
if (json) {
if (json->type != cJSON_Array) {
errstr = "Expected array for vBucketMapForward";
return NULL;
}
if (populate_buckets(vb, json, 1) !=0) {
return NULL;
}
}
return vb;
}