mirror of
https://github.com/cloudwu/skynet.git
synced 2026-07-25 04:33:05 +00:00
Rewrite harbor and don't need zeromq :)
This commit is contained in:
云风
@@ -1,10 +0,0 @@
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all : master test
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master : master.c main.c
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gcc -g -Wall -o $@ $^ -lzmq
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test : test.c
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gcc -g -Wall -o $@ $^ -lzmq
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clean :
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rm master test
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@@ -1,17 +0,0 @@
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#include "skynet_master.h"
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#include <zmq.h>
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int
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main (int argc, char * argv[]) {
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const char * default_port = "tcp://127.0.0.1:2012";
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if (argc > 1) {
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default_port = argv[2];
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}
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void *context = zmq_init (1);
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skynet_master(context, default_port);
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zmq_term (context);
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return 0;
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}
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243
master/master.c
243
master/master.c
@@ -1,243 +0,0 @@
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#include <zmq.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#define HASH_SIZE 4096
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#define MAX_SLAVE 255
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static uint32_t
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calc_hash(const char *name) {
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int i;
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uint32_t h = 0;
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for (i=0;name[i];i++) {
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h = h ^ ((h<<5)+(h>>2)+(uint8_t)name[i]);
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}
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h ^= i;
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return h;
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}
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struct keyvalue {
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struct keyvalue * next;
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uint32_t hash;
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char * key;
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size_t value_size;
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char * value;
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};
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struct hashmap {
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struct keyvalue *node[HASH_SIZE];
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void * zmq;
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void * slave[MAX_SLAVE];
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};
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static struct hashmap *
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_hash_new(void *zmq) {
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struct hashmap * hash = malloc(sizeof(*hash));
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memset(hash, 0, sizeof(*hash));
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hash->zmq = zmq;
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return hash;
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}
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static struct keyvalue *
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_hash_search(struct hashmap * hash, const char * key) {
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uint32_t h = calc_hash(key);
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struct keyvalue * n = hash->node[h & (HASH_SIZE-1)];
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while (n) {
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if (n->hash == h && strcmp(n->key, key) == 0) {
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return n;
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}
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n = n->next;
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}
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return NULL;
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}
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static void
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_hash_insert(struct hashmap * hash, const char * key, const char *value) {
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uint32_t h = calc_hash(key);
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struct keyvalue * node = malloc(sizeof(*node));
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node->next = hash->node[h & (HASH_SIZE-1)];
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node->hash = h;
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node->key = strdup(key);
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node->value_size = strlen(value);
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node->value = malloc(node->value_size+1);
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memcpy(node->value, value, node->value_size+1);
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hash->node[h & (HASH_SIZE-1)] = node;
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}
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static void
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_hash_delete(struct hashmap * hash, const char * key) {
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uint32_t h = calc_hash(key);
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struct keyvalue ** ptr = &hash->node[h & (HASH_SIZE-1)];
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while(*ptr) {
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struct keyvalue *n = *ptr;
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if (n->hash == h && strcmp(n->key, key) == 0) {
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*ptr = n->next;
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free(n->key);
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free(n->value);
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free(n);
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return ;
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}
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ptr = &(n->next);
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}
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}
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static int
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_hash_bind(struct hashmap * hash, int slave, const char *addr) {
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void *pub = NULL;
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if (addr) {
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pub = zmq_socket(hash->zmq, ZMQ_PUSH);
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int r = zmq_connect(pub, addr);
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if (r<0) {
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fprintf(stderr,"Can't connect to [%d] %s\n",slave,addr);
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return -1;
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}
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printf("Connect to [%d] %s\n",slave,addr);
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}
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void * old_pub = hash->slave[slave-1];
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hash->slave[slave-1] = pub;
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if (old_pub) {
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zmq_close(old_pub);
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}
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return 0;
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}
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static void
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broadcast(struct hashmap * hash, zmq_msg_t * msg) {
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int i;
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for (i=0;i<MAX_SLAVE;i++) {
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void * pub = hash->slave[i];
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if (pub) {
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zmq_msg_t part;
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zmq_msg_init(&part);
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int rc = zmq_send(pub, &part, ZMQ_SNDMORE);
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if (rc != 0) {
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fprintf(stderr,"Can't publish to %d : %s",i+1,zmq_strerror(errno));
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}
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zmq_msg_close(&part);
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zmq_msg_init(&part);
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zmq_msg_copy(&part,msg);
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rc = zmq_send(pub, &part, 0);
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if (rc != 0) {
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fprintf(stderr,"Can't publish to %d : %s",i+1,zmq_strerror(errno));
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}
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zmq_msg_close(&part);
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}
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}
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}
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static void
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replace(void * responder, struct hashmap * map, const char *key, const char *value) {
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// printf("Replace %s %s\n",key,value);
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struct keyvalue * node = _hash_search(map, key);
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zmq_msg_t reply;
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if (node == NULL) {
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_hash_insert(map, key, value);
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zmq_msg_init_size (&reply, 0);
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} else {
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zmq_msg_init_size (&reply, node->value_size);
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memcpy (zmq_msg_data (&reply), node->value, node->value_size);
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free(node->value);
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node->value_size = strlen(value);
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node->value = malloc(node->value_size + 1);
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memcpy(node->value, value, node->value_size +1);
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}
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zmq_send (responder, &reply, 0);
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zmq_msg_close (&reply);
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}
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static void
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erase(void * responder, struct hashmap *map, const char *key) {
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// printf("Erase %s\n",key);
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struct keyvalue * node = _hash_search(map, key);
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zmq_msg_t reply;
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if (node == NULL) {
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zmq_msg_init_size (&reply, 0);
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} else {
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zmq_msg_init_size (&reply, node->value_size);
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memcpy (zmq_msg_data (&reply), node->value, node->value_size);
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_hash_delete(map, key);
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}
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zmq_send (responder, &reply, 0);
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zmq_msg_close (&reply);
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}
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static void
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query(void * responder, struct hashmap *map, const char * key) {
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struct keyvalue * node = _hash_search(map, key);
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zmq_msg_t reply;
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if (node == NULL) {
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zmq_msg_init_size (&reply, 0);
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} else {
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zmq_msg_init_size (&reply, node->value_size);
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memcpy (zmq_msg_data (&reply), node->value, node->value_size);
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}
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zmq_send (responder, &reply, 0);
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zmq_msg_close (&reply);
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}
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static void
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update(void * responder, struct hashmap *map, zmq_msg_t * msg) {
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size_t sz = zmq_msg_size (msg);
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const char * command = zmq_msg_data (msg);
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int i;
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for (i=0;i<sz;i++) {
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if (command[i] == '=') {
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char key[i+1];
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memcpy(key, command, i);
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key[i] = '\0';
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int slave = strtol(key, NULL, 10);
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if (sz-i == 1) {
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if (slave > 0 && slave <= MAX_SLAVE) {
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_hash_bind(map, slave, NULL);
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}
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erase(responder, map,key);
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broadcast(map, msg);
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} else {
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char value[sz-i];
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memcpy(value, command+i+1, sz-i-1);
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value[sz-i-1] = '\0';
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if (slave > 0 && slave <= MAX_SLAVE) {
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_hash_bind(map, slave, value);
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}
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replace(responder, map, key,value);
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broadcast(map, msg);
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}
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return;
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}
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}
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char key[sz+1];
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memcpy(key, command, sz);
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key[sz] = '\0';
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query(responder, map, key);
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}
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void
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skynet_master(void * context, const char * port) {
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void *responder = zmq_socket (context, ZMQ_REP);
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int r = zmq_bind(responder, port);
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if (r < 0) {
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fprintf(stderr, "Can't bind to %s\n",port);
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exit(1);
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}
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printf("Start master on %s\n", port);
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struct hashmap *map = _hash_new(context);
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for (;;) {
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zmq_msg_t request;
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zmq_msg_init (&request);
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zmq_recv (responder, &request, 0);
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update(responder, map, &request);
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zmq_msg_close (&request);
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}
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zmq_close (responder);
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}
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@@ -1,6 +0,0 @@
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#ifndef SKYNET_MASTER_H
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#define SKYNET_MASTER_H
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void skynet_master(void * context, const char * port);
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#endif
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124
master/test.c
124
master/test.c
@@ -1,124 +0,0 @@
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#include <zmq.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <assert.h>
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static char *
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send_command(void * request, const char * command) {
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size_t size = strlen(command);
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zmq_msg_t req;
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zmq_msg_init_size(&req, size);
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memcpy(zmq_msg_data(&req) , command, size);
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zmq_send (request, &req, 0);
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zmq_msg_close (&req);
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zmq_msg_t reply;
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zmq_msg_init (&reply);
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zmq_recv (request, &reply, 0);
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size = zmq_msg_size (&reply);
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char * ret = malloc(size+1);
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memcpy(ret,zmq_msg_data(&reply),size);
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ret[size]='\0';
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zmq_msg_close (&reply);
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return ret;
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}
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static void
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pull_sub(void * local) {
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zmq_msg_t part;
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zmq_msg_init (&part);
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zmq_recv (local, &part, 0);
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zmq_msg_close(&part);
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zmq_msg_init (&part);
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zmq_recv (local, &part, 0);
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size_t sz = zmq_msg_size(&part);
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char tmp[sz+1];
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memcpy(tmp,zmq_msg_data(&part),sz);
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tmp[sz]='\0';
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printf("%s\n",tmp);
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zmq_msg_close(&part);
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}
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int
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main (int argc, char * argv[]) {
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const char * default_master = "tcp://127.0.0.1:2012";
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int slave = 100;
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const char * default_local = "tcp://127.0.0.1:5001";
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if (argc > 1) {
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default_master = argv[1];
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if (argc > 2) {
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slave = strtol(argv[2],NULL,10);
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if (slave < 1 || slave> 255) {
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fprintf(stderr,"Slave id must be in [1,255]\n");
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return 1;
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}
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if (argc > 3) {
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default_local = argv[3];
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}
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}
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}
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printf("master = %s\n",default_master);
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printf("local = [%d]%s\n",slave,default_local);
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void *context = zmq_init (1);
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void *request = zmq_socket (context, ZMQ_REQ);
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void *local = zmq_socket( context, ZMQ_PULL);
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int r = zmq_connect(request, default_master);
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if (r < 0) {
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fprintf(stderr, "Can't connect to %s\n",default_master);
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return 1;
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}
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r = zmq_bind(local, default_local);
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if (r < 0) {
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fprintf(stderr, "Can't bind to %s\n",default_local);
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return 1;
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}
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char tmp[1024];
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sprintf(tmp,"%d=%s",slave,default_local);
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char * result = send_command(request,tmp);
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free(result);
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zmq_pollitem_t items[2];
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items[0].socket = local;
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items[0].events = ZMQ_POLLIN;
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items[1].socket = NULL;
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items[1].fd = STDIN_FILENO;
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items[1].events = ZMQ_POLLIN;
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for (;;) {
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int rc = zmq_poll(items,2,-1);
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assert (rc >= 0);
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if (items[0].revents) {
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pull_sub(local);
|
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}
|
||||
if (items[1].revents) {
|
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char tmp[1024];
|
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fgets(tmp,sizeof(tmp),stdin);
|
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char * cr = strchr(tmp,'\r');
|
||||
if (cr) {
|
||||
*cr = '\0';
|
||||
}
|
||||
cr = strchr(tmp,'\n');
|
||||
if (cr) {
|
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*cr = '\0';
|
||||
}
|
||||
result = send_command(request, tmp);
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printf("%s\n",result);
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||||
free(result);
|
||||
}
|
||||
}
|
||||
|
||||
zmq_close (request);
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zmq_term (context);
|
||||
return 0;
|
||||
}
|
||||
584
service-src/service_harbor.c
Normal file
584
service-src/service_harbor.c
Normal file
@@ -0,0 +1,584 @@
|
||||
#include "skynet.h"
|
||||
#include "skynet_harbor.h"
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <sys/uio.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <assert.h>
|
||||
#include <stdint.h>
|
||||
#include <errno.h>
|
||||
|
||||
#define HASH_SIZE 4096
|
||||
#define DEFAULT_QUEUE_SIZE 1024
|
||||
|
||||
struct msg {
|
||||
char * buffer;
|
||||
size_t size;
|
||||
};
|
||||
|
||||
struct msg_queue {
|
||||
int size;
|
||||
int head;
|
||||
int tail;
|
||||
struct msg * data;
|
||||
};
|
||||
|
||||
struct keyvalue {
|
||||
struct keyvalue * next;
|
||||
char key[GLOBALNAME_LENGTH];
|
||||
uint32_t hash;
|
||||
uint32_t value;
|
||||
struct msg_queue * queue;
|
||||
};
|
||||
|
||||
struct hashmap {
|
||||
struct keyvalue *node[HASH_SIZE];
|
||||
};
|
||||
|
||||
struct remote_message_header {
|
||||
uint32_t source;
|
||||
uint32_t destination;
|
||||
uint32_t session;
|
||||
};
|
||||
|
||||
struct harbor {
|
||||
int id;
|
||||
struct hashmap * map;
|
||||
int master_fd;
|
||||
char * master_addr;
|
||||
int remote_fd[REMOTE_MAX];
|
||||
char * remote_addr[REMOTE_MAX];
|
||||
};
|
||||
|
||||
// hash table
|
||||
|
||||
static void
|
||||
_push_queue(struct msg_queue * queue, const void * buffer, size_t sz, struct remote_message_header * header) {
|
||||
struct msg * slot = &queue->data[queue->tail];
|
||||
queue->tail = (queue->tail + 1) % queue->size;
|
||||
if (queue->tail == queue->head) {
|
||||
struct msg * new_buffer = malloc(queue->size * 2 * sizeof(struct msg));
|
||||
int i;
|
||||
for (i=0;i<queue->size;i++) {
|
||||
new_buffer[i] = queue->data[(i+queue->head) % queue->size];
|
||||
}
|
||||
free(queue->data);
|
||||
queue->data = new_buffer;
|
||||
queue->head = 0;
|
||||
queue->tail = queue->size;
|
||||
queue->size *= 2;
|
||||
slot = &queue->data[queue->tail];
|
||||
}
|
||||
slot->buffer = malloc(sz + sizeof(*header));
|
||||
memcpy(slot->buffer, buffer, sz);
|
||||
memcpy(slot->buffer + sz, header, sizeof(*header));
|
||||
slot->size = sz + sizeof(*header);
|
||||
}
|
||||
|
||||
static struct msg *
|
||||
_pop_queue(struct msg_queue * queue) {
|
||||
if (queue->head == queue->tail) {
|
||||
return NULL;
|
||||
}
|
||||
struct msg * slot = &queue->data[queue->head];
|
||||
queue->head = (queue->head + 1) % queue->size;
|
||||
return slot;
|
||||
}
|
||||
|
||||
static struct msg_queue *
|
||||
_new_queue() {
|
||||
struct msg_queue * queue = malloc(sizeof(*queue));
|
||||
queue->size = DEFAULT_QUEUE_SIZE;
|
||||
queue->head = 0;
|
||||
queue->tail = 0;
|
||||
queue->data = malloc(DEFAULT_QUEUE_SIZE * sizeof(struct msg));
|
||||
|
||||
return queue;
|
||||
}
|
||||
|
||||
static void
|
||||
_release_queue(struct msg_queue *queue) {
|
||||
if (queue == NULL)
|
||||
return;
|
||||
struct msg * m = _pop_queue(queue);
|
||||
while (m) {
|
||||
free(m->buffer);
|
||||
m = _pop_queue(queue);
|
||||
}
|
||||
free(queue->data);
|
||||
free(queue);
|
||||
}
|
||||
|
||||
static struct keyvalue *
|
||||
_hash_search(struct hashmap * hash, const char name[GLOBALNAME_LENGTH]) {
|
||||
uint32_t *ptr = (uint32_t*) name;
|
||||
uint32_t h = ptr[0] ^ ptr[1] ^ ptr[2] ^ ptr[3];
|
||||
struct keyvalue * node = hash->node[h % HASH_SIZE];
|
||||
while (node) {
|
||||
if (node->hash == h && strncmp(node->key, name, GLOBALNAME_LENGTH) == 0) {
|
||||
return node;
|
||||
}
|
||||
node = node->next;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
// Don't support erase name yet
|
||||
|
||||
static struct void
|
||||
_hash_erase(struct hashmap * hash, char name[GLOBALNAME_LENGTH) {
|
||||
uint32_t *ptr = name;
|
||||
uint32_t h = ptr[0] ^ ptr[1] ^ ptr[2] ^ ptr[3];
|
||||
struct keyvalue ** ptr = &hash->node[h % HASH_SIZE];
|
||||
while (*ptr) {
|
||||
struct keyvalue * node = *ptr;
|
||||
if (node->hash == h && strncmp(node->key, name, GLOBALNAME_LENGTH) == 0) {
|
||||
_release_queue(node->queue);
|
||||
*ptr->next = node->next;
|
||||
free(node);
|
||||
return;
|
||||
}
|
||||
*ptr = &(node->next);
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
static struct keyvalue *
|
||||
_hash_insert(struct hashmap * hash, const char name[GLOBALNAME_LENGTH]) {
|
||||
uint32_t *ptr = (uint32_t *)name;
|
||||
uint32_t h = ptr[0] ^ ptr[1] ^ ptr[2] ^ ptr[3];
|
||||
struct keyvalue ** pkv = &hash->node[h % HASH_SIZE];
|
||||
struct keyvalue * node = malloc(sizeof(*node));
|
||||
memcpy(node->key, name, GLOBALNAME_LENGTH);
|
||||
node->next = *pkv;
|
||||
node->queue = NULL;
|
||||
node->hash = h;
|
||||
node->value = 0;
|
||||
*pkv = node;
|
||||
|
||||
return node;
|
||||
}
|
||||
|
||||
static struct hashmap *
|
||||
_hash_new() {
|
||||
struct hashmap * h = malloc(sizeof(struct hashmap));
|
||||
memset(h,0,sizeof(*h));
|
||||
return h;
|
||||
}
|
||||
|
||||
static void
|
||||
_hash_delete(struct hashmap *hash) {
|
||||
int i;
|
||||
for (i=0;i<HASH_SIZE;i++) {
|
||||
struct keyvalue ** ptr = &hash->node[i];
|
||||
while (*ptr) {
|
||||
struct keyvalue * node = *ptr;
|
||||
ptr = &node->next;
|
||||
_release_queue(node->queue);
|
||||
free(node);
|
||||
}
|
||||
}
|
||||
free(hash);
|
||||
}
|
||||
|
||||
///////////////
|
||||
|
||||
struct harbor *
|
||||
harbor_create(void) {
|
||||
struct harbor * h = malloc(sizeof(*h));
|
||||
h->id = 0;
|
||||
h->master_fd = -1;
|
||||
h->master_addr = NULL;
|
||||
int i;
|
||||
for (i=0;i<REMOTE_MAX;i++) {
|
||||
h->remote_fd[i] = -1;
|
||||
h->remote_addr[i] = NULL;
|
||||
}
|
||||
h->map = _hash_new();
|
||||
return h;
|
||||
}
|
||||
|
||||
void
|
||||
harbor_release(struct harbor *h) {
|
||||
if (h->master_fd >= 0) {
|
||||
close(h->master_fd);
|
||||
}
|
||||
free(h->master_addr);
|
||||
int i;
|
||||
for (i=0;i<REMOTE_MAX;i++) {
|
||||
if (h->remote_fd[i] >= 0) {
|
||||
close(h->remote_fd[i]);
|
||||
free(h->remote_addr[i]);
|
||||
}
|
||||
}
|
||||
_hash_delete(h->map);
|
||||
free(h);
|
||||
}
|
||||
|
||||
static int
|
||||
_connect_to(struct skynet_context *ctx, const char *ipaddress) {
|
||||
int fd = socket(AF_INET,SOCK_STREAM,0);
|
||||
struct sockaddr_in my_addr;
|
||||
char * port = strchr(ipaddress,':');
|
||||
if (port==NULL) {
|
||||
return -1;
|
||||
}
|
||||
int sz = port - ipaddress;
|
||||
char tmp[sz + 1];
|
||||
memcpy(tmp,ipaddress,sz);
|
||||
tmp[sz] = '\0';
|
||||
|
||||
my_addr.sin_addr.s_addr=inet_addr(tmp);
|
||||
my_addr.sin_family=AF_INET;
|
||||
my_addr.sin_port=htons(strtol(port+1,NULL,10));
|
||||
|
||||
int r = connect(fd,(struct sockaddr *)&my_addr,sizeof(struct sockaddr_in));
|
||||
|
||||
if (r == -1) {
|
||||
close(fd);
|
||||
skynet_error(ctx, "Connect to %s error", ipaddress);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return fd;
|
||||
}
|
||||
|
||||
static inline void
|
||||
_header_to_message(const struct remote_message_header * header, uint32_t * message) {
|
||||
message[0] = htonl(header->source);
|
||||
message[1] = htonl(header->destination);
|
||||
message[2] = htonl(header->session);
|
||||
}
|
||||
|
||||
static inline void
|
||||
_message_to_header(const uint32_t *message, struct remote_message_header *header) {
|
||||
header->source = ntohl(message[0]);
|
||||
header->destination = ntohl(message[1]);
|
||||
header->session = ntohl(message[2]);
|
||||
}
|
||||
|
||||
static int
|
||||
_send_package(int fd, const void * buffer, size_t sz) {
|
||||
uint16_t header = htons(sz);
|
||||
struct iovec part[2];
|
||||
part[0].iov_base = &header;
|
||||
part[0].iov_len = 2;
|
||||
part[1].iov_base = (void*)buffer;
|
||||
part[1].iov_len = sz;
|
||||
|
||||
for (;;) {
|
||||
int err = writev(fd, part, 2);
|
||||
if (err < 0) {
|
||||
switch (errno) {
|
||||
case EAGAIN:
|
||||
case EINTR:
|
||||
continue;
|
||||
}
|
||||
}
|
||||
if (err != sz+2) {
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
_send_remote(int fd, const char * buffer, size_t sz, struct remote_message_header * cookie) {
|
||||
struct iovec part[2];
|
||||
part[0].iov_base = (char *)buffer;
|
||||
part[0].iov_len = sz;
|
||||
|
||||
uint32_t header[3];
|
||||
_header_to_message(cookie, header);
|
||||
|
||||
part[1].iov_base = header;
|
||||
part[1].iov_len = sizeof(header);
|
||||
for (;;) {
|
||||
int err = writev(fd, part, 2);
|
||||
if (err < 0) {
|
||||
switch (errno) {
|
||||
case EAGAIN:
|
||||
case EINTR:
|
||||
continue;
|
||||
}
|
||||
}
|
||||
if (err != sz+sizeof(*cookie)) {
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_update_remote_address(struct skynet_context * context, struct harbor *h, int harbor_id, const char * ipaddr) {
|
||||
if (harbor_id == h->id) {
|
||||
return;
|
||||
}
|
||||
assert(harbor_id > 0 && harbor_id< REMOTE_MAX);
|
||||
if (h->remote_fd[harbor_id] >=0) {
|
||||
close(h->remote_fd[harbor_id]);
|
||||
free(h->remote_addr[harbor_id]);
|
||||
h->remote_addr[harbor_id] = NULL;
|
||||
}
|
||||
h->remote_fd[harbor_id] = _connect_to(context, ipaddr);
|
||||
if (h->remote_fd[harbor_id] >= 0) {
|
||||
free(h->remote_addr[harbor_id]);
|
||||
h->remote_addr[harbor_id] = strdup(ipaddr);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_dispatch_queue(struct harbor *h, struct skynet_context * context, struct msg_queue * queue, uint32_t handle, const char name[GLOBALNAME_LENGTH] ) {
|
||||
int harbor_id = handle >> HANDLE_REMOTE_SHIFT;
|
||||
assert(harbor_id != 0);
|
||||
int fd = h->remote_fd[harbor_id];
|
||||
if (fd < 0) {
|
||||
char tmp [GLOBALNAME_LENGTH+1];
|
||||
memcpy(tmp, name , GLOBALNAME_LENGTH);
|
||||
tmp[GLOBALNAME_LENGTH] = '\0';
|
||||
skynet_error(context, "Drop message to %s (in harbor %d)",tmp,harbor_id);
|
||||
return;
|
||||
}
|
||||
struct msg * m = _pop_queue(queue);
|
||||
while (m) {
|
||||
struct remote_message_header * cookie = (struct remote_message_header *)(m->buffer + m->size - sizeof(*cookie));
|
||||
cookie->destination = handle;
|
||||
_header_to_message(cookie, (uint32_t *)cookie);
|
||||
int err = _send_package(fd, m->buffer, m->size);
|
||||
if (err) {
|
||||
close(fd);
|
||||
h->remote_fd[harbor_id] = _connect_to(context, h->remote_addr[harbor_id]);
|
||||
if (h->remote_fd[harbor_id] < 0) {
|
||||
skynet_error(context, "Reconnect to harbor %d %s failed",harbor_id, h->remote_addr[harbor_id]);
|
||||
return;
|
||||
}
|
||||
}
|
||||
m = _pop_queue(queue);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_update_remote_name(struct harbor *h, struct skynet_context * context, const char name[GLOBALNAME_LENGTH], uint32_t handle) {
|
||||
struct keyvalue * node = _hash_search(h->map, name);
|
||||
if (node == NULL) {
|
||||
node = _hash_insert(h->map, name);
|
||||
}
|
||||
node->value = handle;
|
||||
if (node->queue) {
|
||||
_dispatch_queue(h, context, node->queue, handle, name);
|
||||
_release_queue(node->queue);
|
||||
node->queue = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_request_master(struct harbor *h, struct skynet_context * context, const char name[GLOBALNAME_LENGTH], size_t i, uint32_t handle) {
|
||||
char buffer[4+i];
|
||||
handle = htonl(handle);
|
||||
memcpy(buffer, &handle, 4);
|
||||
memcpy(buffer+4,name,i);
|
||||
|
||||
int err = _send_package(h->master_fd, buffer, 4+i);
|
||||
if (err) {
|
||||
close(h->master_fd);
|
||||
h->master_fd = _connect_to(context, h->master_addr);
|
||||
if (h->master_fd < 0) {
|
||||
skynet_error(context, "Reconnect to master server %s failed", h->master_addr);
|
||||
return;
|
||||
}
|
||||
_send_package(h->master_fd, buffer, 4+i);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
update global name to master
|
||||
|
||||
2 bytes (size)
|
||||
4 bytes (handle) (handle == 0 for request)
|
||||
n bytes string (name)
|
||||
*/
|
||||
|
||||
static void
|
||||
_id_to_hex(char *str, uint32_t id) {
|
||||
int i;
|
||||
static char hex[16] = { '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' };
|
||||
str[0] = ':';
|
||||
for (i=0;i<8;i++) {
|
||||
str[i+1] = hex[(id >> ((7-i) * 4))&0xf];
|
||||
}
|
||||
str[9] = '\0';
|
||||
}
|
||||
|
||||
static int
|
||||
_remote_send_handle(struct harbor *h, struct skynet_context * context, uint32_t source, uint32_t destination, int session, const char * msg, size_t sz) {
|
||||
int harbor_id = destination >> HANDLE_REMOTE_SHIFT;
|
||||
assert(harbor_id != 0);
|
||||
if (harbor_id == h->id) {
|
||||
// local message
|
||||
char srcstr[10];
|
||||
char desstr[10];
|
||||
_id_to_hex(srcstr, source);
|
||||
_id_to_hex(desstr, destination);
|
||||
skynet_send(context, srcstr, desstr , session, (void *)msg, sz, DONTCOPY);
|
||||
return 1;
|
||||
}
|
||||
|
||||
int fd = h->remote_fd[harbor_id];
|
||||
if (fd >= 0) {
|
||||
struct remote_message_header cookie;
|
||||
cookie.source = source;
|
||||
cookie.destination = destination;
|
||||
cookie.session = (uint32_t)session;
|
||||
int err = _send_remote(fd, msg,sz,&cookie);
|
||||
if (err) {
|
||||
close(fd);
|
||||
h->remote_fd[harbor_id] = _connect_to(context, h->remote_addr[harbor_id]);
|
||||
if (h->remote_fd[harbor_id] < 0) {
|
||||
skynet_error(context, "Reconnect to harbor %d : %s failed", harbor_id, h->remote_addr[harbor_id]);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
_request_master(h, context, NULL, 0, harbor_id);
|
||||
skynet_error(context, "Drop message to harbor %d from %x to %x (session = %d, msgsz = %d)",harbor_id, source, destination,session,(int)sz);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
_remote_send_name(struct harbor *h, struct skynet_context * context, uint32_t source, const char name[GLOBALNAME_LENGTH], int session, const char * msg, size_t sz) {
|
||||
struct keyvalue * node = _hash_search(h->map, name);
|
||||
if (node == NULL) {
|
||||
node = _hash_insert(h->map, name);
|
||||
}
|
||||
if (node->value == 0) {
|
||||
if (node->queue == NULL) {
|
||||
node->queue = _new_queue();
|
||||
}
|
||||
struct remote_message_header header;
|
||||
header.source = source;
|
||||
header.destination = 0;
|
||||
header.session = (uint32_t)session;
|
||||
_push_queue(node->queue, msg, sz, &header);
|
||||
return 1;
|
||||
} else {
|
||||
return _remote_send_handle(h, context, source, node->value, session, msg, sz);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_remote_register_name(struct harbor *h, struct skynet_context * context, const char name[GLOBALNAME_LENGTH], uint32_t handle) {
|
||||
int i;
|
||||
for (i=0;i<GLOBALNAME_LENGTH;i++) {
|
||||
if (name[i] == '\0')
|
||||
break;
|
||||
}
|
||||
_update_remote_name(h, context, name, handle);
|
||||
_request_master(h,context,name,i,handle);
|
||||
}
|
||||
|
||||
static void
|
||||
_report_local_address(struct harbor *h, struct skynet_context * context, const char * local_address, int harbor_id) {
|
||||
size_t sz = strlen(local_address);
|
||||
_request_master(h, context, local_address, sz, harbor_id);
|
||||
}
|
||||
|
||||
static int
|
||||
_mainloop(struct skynet_context * context, void * ud, int session, const char * addr, const void * msg, size_t sz) {
|
||||
struct harbor * h = ud;
|
||||
if (session == SESSION_CLIENT) {
|
||||
const char * cookie = msg;
|
||||
cookie += sz - 12;
|
||||
struct remote_message_header header;
|
||||
_message_to_header((const uint32_t *)cookie, &header);
|
||||
if (header.source == 0) {
|
||||
if (header.destination < REMOTE_MAX) {
|
||||
// 1 byte harbor id (0~255)
|
||||
// update remote harbor address
|
||||
char ip [sz - 11];
|
||||
memcpy(ip, msg, sz-12);
|
||||
ip[sz-11] = '\0';
|
||||
_update_remote_address(context, h, header.destination, ip);
|
||||
} else {
|
||||
// update global name
|
||||
if (sz - 12 > GLOBALNAME_LENGTH) {
|
||||
char name[sz-11];
|
||||
memcpy(name, msg, sz-12);
|
||||
name[sz-11] = '\0';
|
||||
skynet_error(context, "Global name is too long %s", name);
|
||||
}
|
||||
_update_remote_name(h, context, msg, header.destination);
|
||||
}
|
||||
} else {
|
||||
char srcstr[10];
|
||||
char desstr[10];
|
||||
_id_to_hex(srcstr, header.source);
|
||||
_id_to_hex(desstr, header.destination);
|
||||
skynet_send(context, srcstr, desstr, (int)header.session, (void *)msg, sz-12, DONTCOPY);
|
||||
return 1;
|
||||
}
|
||||
} else {
|
||||
const struct remote_message *rmsg = msg;
|
||||
if (sz == sizeof(rmsg->destination)) {
|
||||
_remote_register_name(h, context, rmsg->destination.name, rmsg->destination.handle);
|
||||
return 0;
|
||||
}
|
||||
assert(sz == sizeof(*rmsg));
|
||||
uint32_t source_handle = strtoul(addr+1, NULL, 16);
|
||||
if (rmsg->destination.handle == 0) {
|
||||
if (_remote_send_name(h, context, source_handle , rmsg->destination.name, session, rmsg->message, rmsg->sz)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
if (_remote_send_handle(h, context, source_handle , rmsg->destination.handle, session, rmsg->message, rmsg->sz)) {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
free((void *)rmsg->message);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
harbor_init(struct harbor *h, struct skynet_context *ctx, const char * args) {
|
||||
int sz = strlen(args)+1;
|
||||
char master_addr[sz];
|
||||
char local_addr[sz];
|
||||
int harbor_id = 0;
|
||||
sscanf(args,"%s %s %d",master_addr, local_addr, &harbor_id);
|
||||
int master_fd = _connect_to(ctx, master_addr);
|
||||
if (master_fd < 0) {
|
||||
skynet_error(ctx, "Harbor : Connect to master %s faild",master_addr);
|
||||
return 1;
|
||||
}
|
||||
printf("Connect to master %s\n",master_addr);
|
||||
|
||||
h->master_addr = strdup(master_addr);
|
||||
h->master_fd = master_fd;
|
||||
|
||||
const char * self_addr = skynet_command(ctx, "REG", NULL);
|
||||
char tmp[128];
|
||||
sprintf(tmp,"gate ! %s %d 0",local_addr,REMOTE_MAX);
|
||||
const char * gate_addr = skynet_command(ctx, "LAUNCH", tmp);
|
||||
if (gate_addr == NULL) {
|
||||
skynet_error(ctx, "Harbor : launch gate failed");
|
||||
return 1;
|
||||
}
|
||||
int n = sprintf(tmp,"broker %s",self_addr);
|
||||
skynet_send(ctx, NULL, gate_addr, 0, tmp, n, 0);
|
||||
skynet_send(ctx, NULL, gate_addr, 0, "start", 5, 0);
|
||||
|
||||
h->id = harbor_id;
|
||||
skynet_callback(ctx, h, _mainloop);
|
||||
|
||||
_report_local_address(h, ctx, local_addr, harbor_id);
|
||||
|
||||
return 0;
|
||||
}
|
||||
272
service-src/service_master.c
Normal file
272
service-src/service_master.c
Normal file
@@ -0,0 +1,272 @@
|
||||
#include "skynet.h"
|
||||
#include "skynet_harbor.h"
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <assert.h>
|
||||
#include <stdint.h>
|
||||
#include <errno.h>
|
||||
|
||||
#define HASH_SIZE 4096
|
||||
|
||||
struct name {
|
||||
struct name * next;
|
||||
char key[GLOBALNAME_LENGTH];
|
||||
uint32_t hash;
|
||||
uint32_t value;
|
||||
};
|
||||
|
||||
struct namemap {
|
||||
struct name *node[HASH_SIZE];
|
||||
};
|
||||
|
||||
struct master {
|
||||
int remote_fd[REMOTE_MAX];
|
||||
char * remote_addr[REMOTE_MAX];
|
||||
struct namemap map;
|
||||
};
|
||||
|
||||
struct master *
|
||||
master_create() {
|
||||
struct master *m = malloc(sizeof(*m));
|
||||
int i;
|
||||
for (i=0;i<REMOTE_MAX;i++) {
|
||||
m->remote_fd[i] = -1;
|
||||
m->remote_addr[i] = NULL;
|
||||
}
|
||||
memset(&m->map, 0, sizeof(m->map));
|
||||
return m;
|
||||
}
|
||||
|
||||
void
|
||||
master_release(struct master * m) {
|
||||
int i;
|
||||
for (i=0;i<REMOTE_MAX;i++) {
|
||||
int fd = m->remote_fd[i];
|
||||
if (fd < 0) {
|
||||
close(fd);
|
||||
}
|
||||
free(m->remote_addr[i]);
|
||||
}
|
||||
for (i=0;i<HASH_SIZE;i++) {
|
||||
struct name ** ptr = &m->map.node[i];
|
||||
while (*ptr) {
|
||||
struct name * node = *ptr;
|
||||
ptr = &node->next;
|
||||
free(node);
|
||||
}
|
||||
}
|
||||
free(m);
|
||||
}
|
||||
|
||||
static struct name *
|
||||
_search_name(struct master *m, char name[GLOBALNAME_LENGTH]) {
|
||||
uint32_t *ptr = (uint32_t *) name;
|
||||
uint32_t h = ptr[0] ^ ptr[1] ^ ptr[2] ^ ptr[3];
|
||||
struct name * node = m->map.node[h % HASH_SIZE];
|
||||
while (node) {
|
||||
if (node->hash == h && strncmp(node->key, name, GLOBALNAME_LENGTH) == 0) {
|
||||
return node;
|
||||
}
|
||||
node = node->next;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static struct name *
|
||||
_insert_name(struct master *m, char name[GLOBALNAME_LENGTH]) {
|
||||
uint32_t *ptr = (uint32_t *)name;
|
||||
uint32_t h = ptr[0] ^ ptr[1] ^ ptr[2] ^ ptr[3];
|
||||
struct name **pname = &m->map.node[h % HASH_SIZE];
|
||||
struct name * node = malloc(sizeof(*node));
|
||||
memcpy(node->key, name, GLOBALNAME_LENGTH);
|
||||
node->next = *pname;
|
||||
node->hash = h;
|
||||
node->value = 0;
|
||||
*pname = node;
|
||||
return node;
|
||||
}
|
||||
|
||||
static void
|
||||
_copy_name(char *name, const char * buffer, size_t sz) {
|
||||
if (sz < GLOBALNAME_LENGTH) {
|
||||
memcpy(name, buffer, sz);
|
||||
memset(name+sz, 0 , GLOBALNAME_LENGTH - sz);
|
||||
} else {
|
||||
memcpy(name, buffer, GLOBALNAME_LENGTH);
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
_connect_to(const char *ipaddress) {
|
||||
int fd = socket(AF_INET,SOCK_STREAM,0);
|
||||
struct sockaddr_in my_addr;
|
||||
char * port = strchr(ipaddress,':');
|
||||
if (port==NULL) {
|
||||
return -1;
|
||||
}
|
||||
int sz = port - ipaddress;
|
||||
char tmp[sz + 1];
|
||||
memcpy(tmp,ipaddress,sz);
|
||||
tmp[sz] = '\0';
|
||||
|
||||
my_addr.sin_addr.s_addr=inet_addr(tmp);
|
||||
my_addr.sin_family=AF_INET;
|
||||
my_addr.sin_port=htons(strtol(port+1,NULL,10));
|
||||
|
||||
int r = connect(fd,(struct sockaddr *)&my_addr,sizeof(struct sockaddr_in));
|
||||
|
||||
if (r == -1) {
|
||||
close(fd);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return fd;
|
||||
}
|
||||
|
||||
static int
|
||||
_send_to(int fd, const void * buf, size_t sz, uint32_t handle) {
|
||||
char buffer[2 + sz + 12];
|
||||
uint16_t header = htons(sz+12);
|
||||
memcpy(buffer, &header, 2);
|
||||
memcpy(buffer+2, buf, sz);
|
||||
uint32_t u32 = 0;
|
||||
memcpy(buffer+2+sz,&u32,4);
|
||||
u32 = htonl(handle);
|
||||
memcpy(buffer+2+sz+4,&u32,4);
|
||||
u32 = 0;
|
||||
memcpy(buffer+2+sz+8,&u32,4);
|
||||
|
||||
sz += 2 + 12;
|
||||
|
||||
for (;;) {
|
||||
int err = send(fd, buffer, sz, 0);
|
||||
if (err < 0) {
|
||||
switch (errno) {
|
||||
case EAGAIN:
|
||||
case EINTR:
|
||||
continue;
|
||||
}
|
||||
}
|
||||
if (err != sz) {
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_broadcast(struct skynet_context * context, struct master *m, const char *name, size_t sz, uint32_t handle) {
|
||||
int i;
|
||||
for (i=1;i<REMOTE_MAX;i++) {
|
||||
int fd = m->remote_fd[i];
|
||||
if (fd < 0)
|
||||
continue;
|
||||
int err = _send_to(fd, name, sz, handle);
|
||||
if (err) {
|
||||
close(fd);
|
||||
fd = _connect_to(m->remote_addr[i]);
|
||||
if (fd < 0) {
|
||||
m->remote_fd[i] = -1;
|
||||
skynet_error(context, "Reconnect to harbor %d : %s faild", i, m->remote_addr[i]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_request_name(struct skynet_context * context, struct master *m, const char * buffer, size_t sz) {
|
||||
char name[GLOBALNAME_LENGTH];
|
||||
_copy_name(name, buffer, sz);
|
||||
struct name * n = _search_name(m, name);
|
||||
if (n == NULL) {
|
||||
return;
|
||||
}
|
||||
_broadcast(context, m, name, GLOBALNAME_LENGTH, n->value);
|
||||
}
|
||||
|
||||
static void
|
||||
_update_name(struct skynet_context * context, struct master *m, uint32_t handle, const char * buffer, size_t sz) {
|
||||
char name[GLOBALNAME_LENGTH];
|
||||
_copy_name(name, buffer, sz);
|
||||
struct name * n = _search_name(m, name);
|
||||
if (n==NULL) {
|
||||
n = _insert_name(m,name);
|
||||
}
|
||||
n->value = handle;
|
||||
_broadcast(context, m,name,GLOBALNAME_LENGTH, handle);
|
||||
}
|
||||
|
||||
static void
|
||||
_update_address(struct skynet_context * context, struct master *m, int harbor_id, const char * buffer, size_t sz) {
|
||||
if (m->remote_fd[harbor_id] >= 0) {
|
||||
close(m->remote_fd[harbor_id]);
|
||||
m->remote_fd[harbor_id] = -1;
|
||||
}
|
||||
free(m->remote_addr[harbor_id]);
|
||||
char * addr = malloc(sz+1);
|
||||
memcpy(addr, buffer, sz);
|
||||
addr[sz] = '\0';
|
||||
m->remote_addr[harbor_id] = addr;
|
||||
int fd = _connect_to(addr);
|
||||
if (fd<0) {
|
||||
skynet_error(context, "Can't connect to harbor %d : %s", harbor_id, addr);
|
||||
return;
|
||||
}
|
||||
m->remote_fd[harbor_id] = fd;
|
||||
_broadcast(context, m, addr, sz, harbor_id);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
update global name to master
|
||||
|
||||
4 bytes (handle) (handle == 0 for request)
|
||||
n bytes string (name)
|
||||
*/
|
||||
|
||||
static int
|
||||
_mainloop(struct skynet_context * context, void * ud, int session, const char * addr, const void * msg, size_t sz) {
|
||||
struct master *m = ud;
|
||||
assert(session == SESSION_CLIENT);
|
||||
uint32_t handle = 0;
|
||||
memcpy(&handle, msg, 4);
|
||||
handle = ntohl(handle);
|
||||
sz -= 4;
|
||||
const char * name = msg;
|
||||
name += 4;
|
||||
|
||||
if (handle == 0) {
|
||||
_request_name(context, m , name, sz);
|
||||
} else if (handle < REMOTE_MAX) {
|
||||
_update_address(context, m , handle, name, sz);
|
||||
} else {
|
||||
_update_name(context, m , handle, name, sz);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
master_init(struct master *m, struct skynet_context *ctx, const char * args) {
|
||||
char tmp[strlen(args) + 32];
|
||||
sprintf(tmp,"gate ! %s %d 0",args,REMOTE_MAX);
|
||||
const char * self_addr = skynet_command(ctx, "REG", NULL);
|
||||
const char * gate_addr = skynet_command(ctx, "LAUNCH", tmp);
|
||||
if (gate_addr == NULL) {
|
||||
skynet_error(ctx, "Master : launch gate failed");
|
||||
return 1;
|
||||
}
|
||||
int n = sprintf(tmp,"broker %s",self_addr);
|
||||
skynet_send(ctx, NULL, gate_addr, 0, tmp, n, 0);
|
||||
skynet_send(ctx, NULL, gate_addr, 0, "start", 5, 0);
|
||||
|
||||
skynet_callback(ctx, m, _mainloop);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user