Added connection class with basic binding

There's no listening yet, and still a bunch of different errors to
handle.
This commit is contained in:
Nicolás A. Ortega 2017-07-23 23:19:20 -05:00
parent 9568de6710
commit 6cc7de6383
No known key found for this signature in database
GPG Key ID: 3D786FB3123FF1DD
3 changed files with 72 additions and 0 deletions

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@ -35,6 +35,7 @@ include_directories(
"include/")
set(SRCS
src/connection.c
src/error.c
src/neocomm.c
src/nodes.c)

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@ -18,3 +18,7 @@
*/
#pragma once
int NeoComm_bind(const unsigned short port);
void NeoComm_close_connections();

67
src/connection.c Normal file
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@ -0,0 +1,67 @@
/*
* Copyright (C) 2017 Ortega Froysa, Nicolás <deathsbreed@themusicinnoise.net>
* Author: Ortega Froysa, Nicolás <deathsbreed@themusicinnoise.net>
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 3 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include "neocomm/connection.h"
#include "internal_error.h"
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <strings.h>
#include <stdio.h>
int NeoComm_bind(const unsigned short port) {
int sockfd;//, newsockfd;
struct sockaddr_in serv_addr;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
int errsv = errno;
if(sockfd < 0)
{
if(errsv == EACCES)
NeoComm_error("Insufficient privileges");
else if(errsv == ENOBUFS)
NeoComm_error("Insufficient resources available");
else if(errsv == ENOMEM)
NeoComm_error("Insufficient memory to open socket");
else
{
char error_msg[128];
snprintf(error_msg, 128, "Failed to initiate socket with errno `%d'",
errsv);
NeoComm_error(error_msg);
}
return 0;
}
bzero((char*) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(port);
serv_addr.sin_addr.s_addr = INADDR_ANY;
if(bind(sockfd, (struct sockaddr*) &serv_addr, sizeof(serv_addr)) < 0)
{
/*int errsv = errno;*/
// TODO: Handle all these errors and shit, I'm too lazy right now
return 0;
}
listen(sockfd, 5);
return 1;
}