void _bus_terminal_update_channels(bus_terminal_t* bt)
{
struct bus_terminal_channel_t* btc;
int32_t i, ret;
assert(bt && bt->bus);
// load terminal channel info
bt->local_channel_version = bt->bus->channel_version;
for (i = 0; i < bt->bus->channel_count; ++ i) {
if (bt->bus->channels[i].from == bt->self && idtable_get(bt->send_channels,
bt->bus->channels[i].to) == NULL) {
btc = bus_terminal_channel_init(bt->bus->channels[i].shmkey,
bt->bus->channels[i].from, bt->bus->channels[i].to,
bt->bus->channels[i].channel_size, 1);
assert(btc);
ret = idtable_add(bt->send_channels, bt->bus->channels[i].to, btc);
assert(0 == ret);
} else if (bt->bus->channels[i].to == bt->self && idtable_get(bt->recv_channels,
bt->bus->channels[i].from) == NULL) {
btc = bus_terminal_channel_init(bt->bus->channels[i].shmkey,
bt->bus->channels[i].from, bt->bus->channels[i].to,
bt->bus->channels[i].channel_size, 1);
assert(btc);
ret = idtable_add(bt->recv_channels, bt->bus->channels[i].from, btc);
assert(0 == ret);
}
}
}
static int
_accept_read(sock_t fd, void* arg) {
WSCtx* ctx = (WSCtx*)MALLOC(sizeof(WSCtx));
assert(ctx);
ctx->con = wsconn_create(r);
assert(ctx->con);
wsconn_set_build_func(ctx->con, _wscon_build, NULL);
wsconn_set_read_func(ctx->con, _wscon_read, NULL);
wsconn_set_close_func(ctx->con, _wscon_close, NULL);
wsconn_set_fd(ctx->con, fd);
int res = idtable_add(con_table, fd, ctx);
assert(0 == res);
res = wsconn_start(ctx->con);
assert(0 == res);
printf("fd[%d] connected\n", fd);
return 0;
}
int32_t _bus_terminal_register_channel(bus_terminal_t* bt, bus_addr_t to, size_t sz)
{
int i, found, ret;
struct bus_channel_t* bc;
struct bus_terminal_channel_t* btc;
if (!bt) return bus_err_fail;
// make sure same version
bus_terminal_tick(bt);
// add lock
process_lock_lock(bt->lock);
if (bt->local_channel_version != bt->bus->channel_version) {
process_lock_unlock(bt->lock);
return bus_err_fail;
}
// no left free channel
if (bt->bus->channel_count >= BUS_MAX_CHANNLE_COUNT) {
process_lock_unlock(bt->lock);
return bus_err_channel_full;
}
// check terminals
found = -1;
for (i = 0; i < bt->bus->terminal_count; ++ i) {
if (bt->bus->terminals[i] == to) {
found = 0;
break;
}
}
if (found) {
process_lock_unlock(bt->lock);
return bus_err_peek_fail;
}
// check not self (no loop bus)
if (to == bt->self) {
process_lock_unlock(bt->lock);
return bus_err_peek_fail;
}
// create channel
bc = &bt->bus->channels[bt->bus->channel_count];
bc->from = bt->self;
bc->to = to;
bc->shmkey = bt->bus->key + (++ bt->bus->channel_key);
bc->channel_size = sz;
btc = bus_terminal_channel_init(bc->shmkey, bc->from, bc->to, bc->channel_size, 0);
if (!btc) {
process_lock_unlock(bt->lock);
return bus_err_channel_fail;
}
// add terminal-channel to idtable
ret = idtable_add(bt->send_channels, bc->to, btc);
assert(0 == ret);
// add channel version
++ bt->bus->channel_count;
atom_inc(&bt->bus->channel_version);
process_lock_unlock(bt->lock);
bt->local_channel_version = bt->bus->channel_version;
return bus_ok;
}
