nortega/neocomm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Started adding node functionality.

Browse Source
This commit is contained in:
Nicolás A. Ortega 2017-07-01 18:46:22 +02:00
parent cf9ddf441c
commit 4f66f0cc96
No known key found for this signature in database
GPG Key ID: 3D786FB3123FF1DD
3 changed files with 212 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
CMakeLists.txt Normal file
View File

@ -0,0 +1,53 @@
# 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/>.
cmake_minimum_required(VERSION 2.8)
project(NeoComm)
set(TARGET_NAME "neocomm")
set(TARGET_VERSION_MAJOR 0)
set(TARGET_VERSION_MINOR 1)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "release")
endif()
string(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE)
message(STATUS "Build Type: ${CMAKE_BUILD_TYPE}")
option(BUILD_SHARED_LIBS
"Whether to build a shared object instead of a static." OFF)
include_directories(
"include/")
set(SRCS
src/nodes.c)
set(CMAKE_C_FLAGS "-std=c99 -Wall -Wextra -Werror -Wfatal-errors -Wmissing-declarations -pedantic-errors")
set(CMAKE_C_FLAGS_DEBUG "-g -O0")
set(CMAKE_C_FLAGS_RELEASE "-O3")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "-g -O3")
set(CMAKE_C_FLAGS_MINSEZEREL "-Os")
if(NOT CMAKE_BUILD_TYPE MATCHES "debug" AND
NOT CMAKE_BUILD_TYPE MATCHES "relwithdebinfo")
add_definitions("-DNDEBUG")
else()
add_definitions("-DDEBUG")
endif()
add_library(${TARGET_NAME} ${SRCS})

66
include/nodes.h Normal file
View File

@ -0,0 +1,66 @@
/*
* 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/>.
*/
#pragma once
/**
* @brief Initialize the node list.
*
* @param max_nodes Maximum number of nodes available.
*
* @return If the operation failed then it will return 0, else it will
* return 1.
*/
int init_nodes(unsigned int max_nodes);
/**
* @brief Enlarge the list.
*
* @param new_max_nodes New number of maximum nodes.
*
* @return If the new size is less than or equal to the current size, or
* the list failed to be reallocated, then it returns 0, else it returns 1.
*/
int resize_node_list(unsigned int new_max_nodes);
/**
* @brief Get the maximum number of nodes that can be used.
*
* @return The maximum number of nodes that can be used..
*/
unsigned int get_node_max();
/**
* @brief Get the number of nodes there currently are.
*
* @return The number of nodes remembered.
*/
unsigned int get_node_count();
/**
* @brief Add a new node to the list with an address (normally IP) and port.
*
* @param addr Address of the new node (normally an IP, but also DNS).
* @param port Port number for new node.
*
* @return If the node list is full it will return 0, else 1.
*/
int add_node(char *addr, unsigned short port);
int remove_node(char *addr, unsigned short port);

93
src/nodes.c Normal file
View File

@ -0,0 +1,93 @@
/*
* 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 "nodes.h"
#include <stdlib.h>
#include <string.h>
struct node {
// The address of the node
char *address;
unsigned short port;
// Whether or not it is a directory node/server
int directory;
// Useful variables for passing on connections of new nodes
unsigned int connections;
unsigned int max_connections;
};
// List of nodes
static struct node *node_list;
// Maximum number of nodes
static unsigned int node_max;
// Number of nodes in the list
static unsigned int node_count;
int init_nodes(unsigned int max_nodes) {
node_list = calloc(max_nodes, sizeof(struct node));
if(!node_list)
return 0;
node_max = max_nodes;
node_count = 0;
return 1;
}
int resize_node_list(unsigned int new_max_nodes) {
if(new_max_nodes <= node_max)
return 0;
void* tmp_list = realloc(node_list, new_max_nodes * sizeof(struct node));
if(!tmp_list)
return 0;
node_list = tmp_list;
return 1;
}
unsigned int get_node_max() {
return node_max;
}
unsigned int get_node_count() {
return node_count;
}
int add_node(char *addr, unsigned short port) {
if(node_count >= node_max)
return 0;
for(unsigned int i = 0; i < node_count; ++i)
{
if(strcmp(node_list[i].address, addr) == 0 &&
node_list[i].port == port)
return 1;
}
node_list[node_count].address = addr;
node_list[node_count].port = port;
node_list[node_count].directory = 0;
node_list[node_count].connections = 0;
node_list[node_count].max_connections = 0;
node_count++;
return 1;
}