104 lines
2.3 KiB
C
104 lines
2.3 KiB
C
/*
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This file is part of libcapwap.
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libcapwap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libcapwap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file
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* @brief
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "log.h"
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#include "conn.h"
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#include "sock.h"
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#include "capwap.h"
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/**
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* Create a conn object
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* @param sock a socket
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* @param addr the address associated
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* @param qsize size of packet queue
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* @return A pointer to the created object
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* This function creates a conn obnject with queueing functionality
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* for asynchronous operation.
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* To create a conn object without queue functionallity use #conn_create_noq.
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*/
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struct conn * conn_create(int sock, struct sockaddr * addr, int qsize)
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{
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struct conn * conn;
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conn = malloc(sizeof (struct conn));
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if (!conn)
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return NULL;
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conn_init(conn);
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conn->sock=sock;
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if (addr)
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sock_copyaddr(&conn->addr,addr);
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conn->fragman = fragman_create();
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if (conn->fragman==NULL){
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conn_destroy(conn);
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return NULL;
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}
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conn->qsize=qsize;
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if (qsize != 0){
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if (!(conn->q=malloc( sizeof(uint8_t *) * qsize))){
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conn_destroy(conn);
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return NULL;
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}
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conn->qrpos=-1;
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if (sem_init(&conn->q_sem,0,0)!=0){
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cw_log(LOG_ERR,"Fatal- Can't init semaphore for conn object: %s",strerror(errno));
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conn_destroy(conn);
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return NULL;
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};
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conn->recv_packet=conn_q_recv_packet;
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conn->recv_packet_peek=conn_q_recv_packet_peek;
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}
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else{
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conn->recv_packet = conn_recv_packet;
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conn->recv_packet_peek = conn_recv_packet_peek;
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}
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conn->send_packet = conn_send_packet;
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conn->last_seqnum_received=-1;
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conn->mtu=1500;
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conn->cur_packet=0;
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conn->recv_timeout=1;
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conn->seqnum=-1;
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conn->write = conn->send_packet;
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conn->read = conn->recv_packet;
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conn->dtls_mtu = 1500;
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return conn;
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}
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