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add very small websocket example

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eddyem
2016-04-22 16:49:21 +03:00
parent ba10e91c35
commit 54f2b12d7d
9 changed files with 595 additions and 0 deletions
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47
simple_websockets/que.c Normal file
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/*
* que.c
*
* Copyright 2016 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <string.h>
#include "que.h"
char que[MESSAGE_LEN];
control_data global_que;
void put_message_to_que(char *msg, control_data *dat){
int L = strlen(msg);
if(dat->num >= MESSAGE_QUE_SIZE) return;
++dat->num;
if(L < 1 || L > MESSAGE_LEN - 1) L = MESSAGE_LEN - 1;
strncpy(dat->message[dat->idxwr], msg, L);
dat->message[dat->idxwr][L] = 0;
if((++(dat->idxwr)) >= MESSAGE_QUE_SIZE) dat->idxwr = 0;
}
void glob_que(char *buf){
put_message_to_que(buf, &global_que);
}
char *get_message_from_que(control_data *dat){
char *R = dat->message[dat->idxrd];
if(dat->num <= 0) return NULL;
if((++dat->idxrd) >= MESSAGE_QUE_SIZE) dat->idxrd = 0;
--dat->num;
return R;
}