/* TODO: *
* - handle node departure *
* - handle objects on the network *
- * - handle neighborood in the update */
+ * - handle neighborhood in the update */
#define COMM_SIZE 10
#define COMP_SIZE 0
static int timeout = 50;
static int max_simulation_time = 1000;
-extern long int smx_total_comms;
-
typedef struct s_node {
int id; //128bits generated random(2^128 -1)
int known_id;
return l;
}
+/* Frees the memory used by a task and destroy it */
+static void task_free(void* task)
+{
+ // TODO add a parameter data_free_function to MSG_task_create?
+ if(task != NULL){
+ s_task_data_t* data = (s_task_data_t*)MSG_task_get_data(task);
+ xbt_free(data->state);
+ xbt_free(data);
+ MSG_task_destroy(task);
+ }
+}
+
/* Get the closest id to the dest in the node namespace_set */
static int closest_in_namespace_set(node_t node, int dest) {
int best_dist;
/* Print the node id */
static void print_node_id(node_t node) {
- int i;
- printf(" id: %i '%08x' ", node->id, node->id);
- for (i=0;i<LEVELS_COUNT;i++)
- printf(" %x", domain(node->id, i));
- printf("\n");
+ XBT_INFO(" Id: %i '%08x' ", node->id, node->id);
}
/* * Print the node neighborhood set */
static void print_node_neighborood_set(node_t node) {
- int i;
- printf(" Neighborhood:\n");
- for (i=0; i<NEIGHBORHOOD_SIZE; i++)
- printf(" %08x\n", node->neighborhood_set[i]);
+ XBT_INFO(" Neighborhood:");
+ for (int i=0; i<NEIGHBORHOOD_SIZE; i++)
+ XBT_INFO(" %08x", node->neighborhood_set[i]);
}
/* Print the routing table */
static void print_node_routing_table(node_t node) {
- printf(" routing table:\n");
+ XBT_INFO(" Routing table:");
for (int i=0; i<LEVELS_COUNT; i++){
- printf(" ");
for (int j=0; j<LEVEL_SIZE; j++)
- printf("%08x ", node->routing_table[i][j]);
- printf("\n");
+ XBT_INFO(" %08x ", node->routing_table[i][j]);
}
}
/* Print the node namespace set */
static void print_node_namespace_set(node_t node) {
- printf(" namespace:\n");
+ XBT_INFO(" Namespace:");
for (int i=0; i<NAMESPACE_SIZE; i++)
- printf(" %08x\n", node->namespace_set[i]);
- printf("\n");
+ XBT_INFO(" %08x", node->namespace_set[i]);
}
/* Print the node information */
static void print_node(node_t node) {
- printf("Node:\n");
+ XBT_INFO("Node:");
print_node_id(node);
print_node_neighborood_set(node);
print_node_routing_table(node);
task_data->sender_id = node->id;
task_data->steps++;
task_sent = MSG_task_create(NULL, COMP_SIZE, COMM_SIZE, task_data);
- MSG_task_send_with_timeout(task_sent, mailbox, timeout);
+ if (MSG_task_send_with_timeout(task_sent, mailbox, timeout)== MSG_TIMEOUT) {
+ XBT_DEBUG("Timeout expired when forwarding join to next %d", next);
+ task_free(task_sent);
+ }
type = TASK_JOIN_REPLY;
}
get_mailbox(node->id, req_data->answer_to);
req_data->state = node_get_state(node);
task_sent = MSG_task_create(NULL, COMP_SIZE, COMM_SIZE, req_data);
- MSG_task_send_with_timeout(task_sent, task_data->answer_to, timeout);
+ if (MSG_task_send_with_timeout(task_sent, task_data->answer_to, timeout)== MSG_TIMEOUT) {
+ XBT_DEBUG("Timeout expired when sending back the current node state to the joining node to %d", node->id);
+ task_free(task_sent);
+ }
break;
}
/* Join reply from all the node touched by the join */
get_mailbox(node->id, req_data->answer_to);
req_data->state = node_get_state(node);
task_sent = MSG_task_create(NULL, COMP_SIZE, COMM_SIZE, req_data);
- MSG_task_send_with_timeout(task_sent, mailbox, timeout);
+ if (MSG_task_send_with_timeout(task_sent, mailbox, timeout)== MSG_TIMEOUT) {
+ XBT_DEBUG("Timeout expired when sending update to %d", j);
+ task_free(task_sent);
+ }
}
}
}
XBT_DEBUG("Task update %i !!!", node->id);
/* Update namespace ses */
- printf("Task update from %i !!!\n", task_data->sender_id);
+ XBT_INFO("Task update from %i !!!", task_data->sender_id);
+ XBT_INFO("Node:");
print_node_id(node);
print_node_namespace_set(node);
int curr_namespace_set[NAMESPACE_SIZE];
int task_namespace_set[NAMESPACE_SIZE+1];
- // Copy the current namedspace
- // and the task state namespace with state->id in the middle
+ // Copy the current namespace and the task state namespace with state->id in the middle
i=0;
for (; i<NAMESPACE_SIZE/2; i++){
curr_namespace_set[i] = node->namespace_set[i];
max = -1;
for (i=0; i<=NAMESPACE_SIZE; i++) {
j = task_namespace_set[i];
- if (i<NAMESPACE_SIZE)
- printf("%08x %08x | ", j, curr_namespace_set[i]);
if (j != -1 && j < node->id) min = i;
if (j != -1 && max == -1 && j > node->id) max = i;
}
- printf("\n");
// add lower elements
j = NAMESPACE_SIZE/2-1;
for (i=NAMESPACE_SIZE/2-1; i>=0; i--) {
- printf("i:%i, j:%i, min:%i, currj:%08x, taskmin:%08x\n", i, j, min, curr_namespace_set[j],
- task_namespace_set[min]);
if (min<0) {
node->namespace_set[i] = curr_namespace_set[j];
j--;
// add greater elements
j = NAMESPACE_SIZE/2;
for (i=NAMESPACE_SIZE/2; i<NAMESPACE_SIZE; i++) {
- printf("i:%i, j:%i, max:%i, currj:%08x, taskmax:%08x\n", i, j, max, curr_namespace_set[j],
- task_namespace_set[max]);
if (min<0 || max>=NAMESPACE_SIZE) {
node->namespace_set[i] = curr_namespace_set[j];
j++;
max++;
}
}
- print_node_namespace_set(node);
/* Update routing table */
for (i=shl(node->id, task_data->state->id); i<LEVELS_COUNT; i++) {
}
}
}
+ task_free(task);
}
/** \brief Initializes the current node as the first one of the system.
msg_task_t task_sent = MSG_task_create(NULL, COMP_SIZE, COMM_SIZE, req_data);
XBT_DEBUG("Trying to join Pastry ring... (with node %s)", mailbox);
- MSG_task_send_with_timeout(task_sent, mailbox, timeout);
+ if (MSG_task_send_with_timeout(task_sent, mailbox, timeout)== MSG_TIMEOUT) {
+ XBT_DEBUG("Timeout expired when joining ring with node %d", node->known_id);
+ task_free(task_sent);
+ }
return 1;
}
-
/**
* \brief Node Function
* Arguments:
}
}
- print_node(&node);
+ //Cleanup the receiving communication.
+ if (node.comm_receive != NULL) {
+ if (MSG_comm_test(node.comm_receive) && MSG_comm_get_status(node.comm_receive) == MSG_OK) {
+ task_free(MSG_comm_get_task(node.comm_receive));
+ }
+ MSG_comm_destroy(node.comm_receive);
+ }
+
}
+ xbt_free(node.pending_tasks);
return 1;
}
MSG_launch_application(options[1]);
msg_error_t res = MSG_main();
- XBT_CRITICAL("Messages created: %ld", smx_total_comms);
XBT_INFO("Simulated time: %g", MSG_get_clock());
return res != MSG_OK;