/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#include<stdio.h>
+#include <stdio.h>
+#include <stdlib.h>
#include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
#include "xbt/sysdep.h" /* calloc */
XBT_LOG_NEW_DEFAULT_CATEGORY(msg_kadeploy,
"Messages specific for kadeploy");
+#define MESSAGE_SIZE 1
+#define HOSTNAME_LENGTH 20
+
/*
Data structures
*/
typedef struct xbt_dynar_iterator_struct {
xbt_dynar_t list;
xbt_dynar_t indices_list;
- unsigned int current;
+ int current;
unsigned long length;
- unsigned int (*criteria_fn)(void* it);
+ int (*criteria_fn)(void* it);
} *xbt_dynar_iterator_t;
typedef struct xbt_dynar_iterator_struct xbt_dynar_iterator_s;
-
-xbt_dynar_iterator_t xbt_dynar_iterator_new(xbt_dynar_t list, unsigned int (*criteria_fn)(void*));
+/* Messages enum */
+typedef enum {
+ MESSAGE_BUILD_CHAIN = 0,
+ MESSAGE_SEND_DATA,
+ MESSAGE_END_DATA
+} e_message_type;
+
+/* Message struct */
+typedef struct s_message {
+ e_message_type type;
+ const char *issuer_hostname;
+ const char *mailbox;
+ const char *prev_hostname;
+ const char *next_hostname;
+ const char *data_block;
+ unsigned int data_length;
+} s_message_t, *message_t;
+
+/* Iterator methods */
+xbt_dynar_iterator_t xbt_dynar_iterator_new(xbt_dynar_t list, int (*criteria_fn)(void*));
void *xbt_dynar_iterator_next(xbt_dynar_iterator_t it);
void xbt_dynar_iterator_delete(xbt_dynar_iterator_t it);
-unsigned int xbt_dynar_iterator_forward_criteria(void *p);
+int xbt_dynar_iterator_forward_criteria(void *p);
+
+/* Message methods */
+msg_task_t task_message_new(e_message_type type, const char *issuer_hostname, const char *mailbox);
+msg_task_t task_message_chain_new(const char *issuer_hostname, const char *mailbox, const char* prev, const char *next);
+msg_task_t task_message_data_new(const char *issuer_hostname, const char *mailbox, const char *block, unsigned int len);
+msg_task_t task_message_end_data_new(const char *issuer_hostname, const char *mailbox);
+void task_message_delete(void *);
+/* Tasks */
int broadcaster(int argc, char *argv[]);
int peer(int argc, char *argv[]);
-void check_hosts(const int count, char **list);
-xbt_dynar_t build_hostlist_from_argv(int argc, char *argv[]);
-void build_chain(xbt_dynar_t host_list);
+xbt_dynar_t build_hostlist_from_hostcount(int hostcount);
+/*xbt_dynar_t build_hostlist_from_argv(int argc, char *argv[]);*/
+/* Broadcaster: helper functions */
+int broadcaster_build_chain(xbt_dynar_t host_list);
+int broadcaster_send_file(xbt_dynar_t host_list);
+int broadcaster_finish(xbt_dynar_t host_list);
+
+/* Peer: helper functions */
int peer_wait_for_init();
+/* Initialization stuff */
msg_error_t test_all(const char *platform_file,
const char *application_file);
-double task_comm_size_lat = 10e0;
-double task_comm_size_bw = 10e8;
-
/* Allocates and initializes a new xbt_dynar iterator for list, using criteria_fn as iteration criteria
criteria_fn: given an iterator, it must update the iterator and give the next element's index,
less than 0 otherwise*/
-xbt_dynar_iterator_t xbt_dynar_iterator_new(xbt_dynar_t list, unsigned int (*criteria_fn)(void*))
+xbt_dynar_iterator_t xbt_dynar_iterator_new(xbt_dynar_t list, int (*criteria_fn)(void*))
{
xbt_dynar_iterator_t it = xbt_new(xbt_dynar_iterator_s, 1);
it->list = list;
it->length = xbt_dynar_length(list);
- it->indices_list = xbt_dynar_new(sizeof(unsigned int), NULL);
+ it->indices_list = xbt_dynar_new(sizeof(int), NULL);
it->criteria_fn = criteria_fn;
it->current = -1;
}
/* Returns the next element iterated by iterator it, NULL if there are no more elements */
void *xbt_dynar_iterator_next(xbt_dynar_iterator_t it)
{
- unsigned int next = it->criteria_fn((xbt_dynar_iterator_t)it);
+ int next = it->criteria_fn((xbt_dynar_iterator_t)it);
XBT_INFO("%d current\n", next);
- if (next < 0)
+ if (next < 0) {
+ XBT_INFO("Nothing to return!\n");
return NULL;
- else {
+ } else {
xbt_dynar_push(it->indices_list, &next);
return xbt_dynar_get_ptr(it->list, next);
}
xbt_free_ref(&it);
}
-unsigned int xbt_dynar_iterator_forward_criteria(void *p)
+int xbt_dynar_iterator_forward_criteria(void *p)
{
xbt_dynar_iterator_t it = (xbt_dynar_iterator_t)p;
- unsigned int r = -1;
+ int r = -1;
if (it->current == -1) {
/* iterator initialization */
it->current = 0;
return r;
}
-xbt_dynar_t build_hostlist_from_argv(int argc, char *argv[])
+msg_task_t task_message_new(e_message_type type, const char *issuer_hostname, const char *mailbox)
+{
+ message_t msg = xbt_new(s_message_t, 1);
+ msg->type = type;
+ msg->issuer_hostname = issuer_hostname;
+ msg->mailbox = mailbox;
+ msg_task_t task = MSG_task_create(NULL, 0, MESSAGE_SIZE, msg);
+
+ return task;
+}
+
+msg_task_t task_message_chain_new(const char *issuer_hostname, const char *mailbox, const char* prev, const char *next)
+{
+ msg_task_t task = task_message_new(MESSAGE_BUILD_CHAIN, issuer_hostname, mailbox);
+ message_t msg = MSG_task_get_data(task);
+ msg->prev_hostname = prev;
+ msg->next_hostname = next;
+
+ return task;
+}
+
+msg_task_t task_message_data_new(const char *issuer_hostname, const char *mailbox, const char *block, unsigned int len)
+{
+ msg_task_t task = task_message_new(MESSAGE_SEND_DATA, issuer_hostname, mailbox);
+ message_t msg = MSG_task_get_data(task);
+ msg->data_block = block;
+ msg->data_length = len;
+
+ return task;
+}
+
+msg_task_t task_message_end_data_new(const char *issuer_hostname, const char *mailbox)
+{
+ return task_message_new(MESSAGE_END_DATA, issuer_hostname, mailbox);
+}
+
+
+void task_message_delete(void *task)
+{
+ message_t msg = MSG_task_get_data(task);
+ xbt_free(msg);
+ MSG_task_destroy(task);
+}
+
+xbt_dynar_t build_hostlist_from_hostcount(int hostcount)
+{
+ xbt_dynar_t host_list = xbt_dynar_new(sizeof(char*), NULL);
+ char *hostname = NULL;
+ msg_host_t h = NULL;
+ int i = 1;
+
+ for (; i < hostcount+1; i++) {
+ hostname = xbt_new(char, HOSTNAME_LENGTH);
+ snprintf(hostname, HOSTNAME_LENGTH, "host%d", i);
+ XBT_INFO("%s", hostname);
+ h = MSG_get_host_by_name(hostname);
+ if (h == NULL) {
+ XBT_INFO("Unknown host %s. Stopping Now! ", hostname);
+ abort();
+ } else {
+ xbt_dynar_push(host_list, &hostname);
+ }
+ }
+ return host_list;
+}
+
+/*xbt_dynar_t build_hostlist_from_argv(int argc, char *argv[])
{
xbt_dynar_t host_list = xbt_dynar_new(sizeof(char*), NULL);
msg_host_t h = NULL;
}
}
return host_list;
-}
+}*/
void delete_hostlist(xbt_dynar_t h)
{
- xbt_dynar_free_container(&h);
+ xbt_dynar_free(&h);
}
-void build_chain(xbt_dynar_t host_list)
+int broadcaster_build_chain(xbt_dynar_t host_list)
{
xbt_dynar_iterator_t it = xbt_dynar_iterator_new(host_list, xbt_dynar_iterator_forward_criteria);
- char **cur = NULL;
+ msg_task_t task = NULL;
+ char **cur = (char**)xbt_dynar_iterator_next(it);
+ const char *current_host = NULL;
+ const char *prev = NULL;
+ const char *next = NULL;
+ const char *me = MSG_host_get_name(MSG_host_self());
+ const char *last = NULL;
+
+ /* Build the chain if there's at least one peer */
+ if (cur != NULL) {
+ /* init: prev=NULL, host=current cur, next=next cur */
+ next = *cur;
+
+ /* This iterator iterates one step ahead: cur is current iterated element,
+ but it's actually the next one in the chain */
+ do {
+ /* following steps: prev=last, host=next, next=cur */
+ cur = (char**)xbt_dynar_iterator_next(it);
+ prev = last;
+ current_host = next;
+ if (cur != NULL)
+ next = *cur;
+ else
+ next = NULL;
+ XBT_INFO("Building chain -- broadcaster:\"%s\" dest:\"%s\" prev:\"%s\" next:\"%s\"", me, current_host, prev, next);
+
+ /* Send message to current peer */
+ task = task_message_chain_new(me, current_host, prev, next);
+ MSG_task_send(task, current_host);
- for (cur = (char**)xbt_dynar_iterator_next(it); cur != NULL; cur = (char**)xbt_dynar_iterator_next(it)) {
- XBT_INFO("iterating host = %s", *cur);
+ last = current_host;
+ } while (cur != NULL);
}
+ xbt_dynar_iterator_delete(it);
+
+ return MSG_OK;
}
-/*void setup_chain_criteria(chain_criteria_t c, char *(*fn)(void))
+int broadcaster_send_file(xbt_dynar_t host_list)
{
-
+ /* ... */
+
+ return MSG_OK;
}
-void build_chain(const int hostcount, char **hostlist)
+int broadcaster_finish(xbt_dynar_t host_list)
{
- int i;
- for (i = 0; i < hostcount; i++) {
-
+ xbt_dynar_iterator_t it = xbt_dynar_iterator_new(host_list, xbt_dynar_iterator_forward_criteria);
+ msg_task_t task = NULL;
+ const char *me = MSG_host_get_name(MSG_host_self());
+ const char *current_host = NULL;
+ char **cur = NULL;
+
+ /* Send goodbye message to every peer */
+ for (cur = (char**)xbt_dynar_iterator_next(it); cur != NULL; cur = (char**)xbt_dynar_iterator_next(it)) {
+ /* Send message to current peer */
+ current_host = *cur;
+ task = task_message_end_data_new(me, current_host);
+ MSG_task_send(task, current_host);
}
-}*/
+
+ return MSG_OK;
+}
+
/** Emitter function */
int broadcaster(int argc, char *argv[])
{
- double time;
xbt_dynar_t host_list = NULL;
- msg_task_t task_la = NULL;
- msg_task_t task_bw = NULL;
- char sprintf_buffer_la[64];
- char sprintf_buffer_bw[64];
+ const char *first = NULL;
+ int status = !MSG_OK;
XBT_INFO("broadcaster");
- /* Check that every host in the command line actually exists and add it to a dynamic array */
- host_list = build_hostlist_from_argv(argc, argv);
+ /* Check that every host given by the hostcount in argv[1] exists and add it
+ to a dynamic array */
+ host_list = build_hostlist_from_hostcount(atoi(argv[1]));
+ /*host_list = build_hostlist_from_argv(argc, argv);*/
- build_chain(host_list);
+ /* TODO: Error checking */
+ status = broadcaster_build_chain(host_list);
+ status = broadcaster_send_file(host_list);
+ status = broadcaster_finish(host_list);
+
+ delete_hostlist(host_list);
/* Latency */
/*time = MSG_get_clock();
XBT_INFO("task_bw->data = %le", *((double *) task_bw->data));
MSG_task_send(task_bw, argv[1]);
*/
- return 0;
-} /* end_of_client */
+ return status;
+}
int peer_wait_for_init()
{
+ msg_task_t task = NULL;
+ const char *me = MSG_host_get_name(MSG_host_self());
+
+ int a = MSG_task_receive(&task, me);
+
+ if (a == MSG_OK) {
+ XBT_INFO("Peer %s got message\n", me);
+ }
+
+ task_message_delete(task);
+
return MSG_OK;
}
MSG_init(&argc, argv);
- if (argc != 3) {
+ /*if (argc <= 3) {
XBT_CRITICAL("Usage: %s platform_file deployment_file <model>\n",
argv[0]);
XBT_CRITICAL
("example: %s msg_platform.xml msg_deployment.xml KCCFLN05_Vegas\n",
argv[0]);
exit(1);
- }
+ }*/
/* Options for the workstation/model:
