//注意走到这里是通过epoll触发走到这里面的 可以通过客户端telnet 127.0.0.1 22222来获取
static rstatus_t
stats_send_rsp(struct stats *st)
{
rstatus_t status;
ssize_t n;
int sd;
status = stats_make_rsp(st);
if (status != NC_OK) {
return status;
}
sd = accept(st->sd, NULL, NULL);
if (sd < 0) {
log_error("accept on m %d failed: %s", st->sd, strerror(errno));
return NC_ERROR;
}
log_debug(LOG_VERB, "send stats on sd %d %d bytes", sd, st->buf.len);
n = nc_sendn(sd, st->buf.data, st->buf.len);
if (n < 0) {
log_error("send stats on sd %d failed: %s", sd, strerror(errno));
close(sd);
return NC_ERROR;
}
close(sd);
return NC_OK;
}
static rstatus_t
stats_send_rsp(struct stats *st)
{
rstatus_t status;
ssize_t n;
//int sd;
//int fd;
status = stats_make_rsp(st);
if (status != NC_OK) {
return status;
}
/*
sd = accept(st->sd, NULL, NULL);
if (sd < 0) {
log_error("accept on m %d failed: %s", st->sd, strerror(errno));
return NC_ERROR;
}
log_debug(LOG_VERB, "send stats on sd %d %d bytes", sd, st->buf.len);
n = nc_sendn(sd, st->buf.data, st->buf.len);
if (n < 0) {
log_error("send stats on sd %d failed: %s", sd, strerror(errno));
close(sd);
return NC_ERROR;
}
close(sd);
*/
nc_channel_msg_t message;
memset(&message, 0, sizeof(nc_channel_msg_t));
message.command = NC_CMD_GET_STATS;
message.len = st->buf.len;
nc_write_channel(nc_worker_channel, &message, sizeof(nc_channel_msg_t));
n = nc_sendn(nc_worker_channel, st->buf.data, st->buf.len);
if (n < 0) {
log_error("nc_sendn %d failed: %s", nc_worker_channel, strerror(errno));
return NC_ERROR;
}
stats_swap(st);
/*
int fd = get_logger_fd();
if (fd < 0) {
return;
}
n = nc_write(fd, st->buf.data, st->buf.len);
if (n < 0) {
log_error("nc_write %d failed: %s", fd, strerror(errno));
return NC_ERROR;
}
*/
return NC_OK;
}
static rstatus_t
stats_master_send_rsp(int *psd)
{
int n;
ssize_t len;
int sd;
int i;
nc_channel_msg_t message;
char buf[1000];
memset(buf, 0, sizeof(char)*1000);
char *snd_buf = NULL;
memset(&message, 0, sizeof(nc_channel_msg_t));
message.command = NC_CMD_GET_STATS;
if (*psd) {
sd = accept(*psd, NULL, NULL);
if (sd < 0) {
log_error("accept on m %d failed: %s", sd, strerror(errno));
return NC_ERROR;
}
}
// still in reconfiguration process
if (nc_reload_start) {
sprintf(buf, "%s", "no stats get due to still during reconfiguration period.");
if (*psd) {
len = nc_strlen(buf)+1;
len = nc_sendn(sd, buf, len);
if (len < 0) {
log_error("send stats on sd %d failed: %s", sd, strerror(errno));
}
close(sd);
}
return NC_OK;
}
//broadcast
for (i = 0; i < nc_last_process; i++)
{
if (nc_processes[i].pid == -1 || nc_processes[i].pid == 0)
{
continue;
}
if (nc_write_channel(nc_processes[i].channel[0],
&message, sizeof(nc_channel_msg_t))
== NC_OK)
{
if (nc_set_blocking(nc_processes[i].channel[0]) < 0) {
log_error("set channel %d block failed while core timeout %s",
nc_processes[i].channel[0] , strerror(errno));
continue;
}
n = nc_read_channel(nc_processes[i].channel[0], &env_global.ctrl_msg, sizeof(nc_channel_msg_t));
if (env_global.ctrl_msg.command != NC_CMD_GET_STATS || n < 0) {
log_error("failure: get stats from worker %d receive length, %s",
nc_processes[i].channel[0] , strerror(errno));
} else {
log_error("success: get stats from worker %d receive length, %d",
nc_processes[i].channel[0] , n);
snd_buf = nc_alloc(n + n);
len = nc_recvn(nc_processes[i].channel[0], snd_buf, n);
if (len < 0) {
if (*psd) {
log_error("recv stats on sd %d failed: %s", sd, strerror(errno));
}
nc_free(snd_buf);
snd_buf = NULL;
continue;
}
if (*psd) {
len = nc_sendn(sd, snd_buf, len);
if (len < 0) {
log_error("send stats on sd %d failed: %s", sd, strerror(errno));
nc_free(snd_buf);
snd_buf = NULL;
continue;
}
}
len = nc_write(env_global.stats_fd, snd_buf, len);
if (len < 0) {
log_error("nc_write %d failed: %s", env_global.stats_fd, strerror(errno));
continue;
}
nc_free(snd_buf);
snd_buf = NULL;
}
if (nc_set_nonblocking(nc_processes[i].channel[0]) < 0) {
log_error("set channel %d nonblock failed while core timeout %s",
nc_processes[i].channel[0] , strerror(errno));
}
}
}
if (*psd) {
shutdown(sd, SHUT_RDWR);
close(sd);
}
return NC_OK;
}
