mirror of
https://github.com/paparazzi/paparazzi.git
synced 2026-05-09 22:49:53 +08:00
Felix Ruess
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
#include "network.h"
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#include <netdb.h>
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#include <netinet/in.h>
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#include <stdlib.h>
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#include <stdio.h>
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struct FgNetChannel* open_out_channel( char* host, uint16_t port) {
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struct FgNetChannel* chan = malloc(sizeof (struct FgNetChannel));
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int so_reuseaddr = 1;
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struct protoent * pte = getprotobyname("UDP");
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chan->socket = socket( PF_INET, SOCK_DGRAM, pte->p_proto);
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setsockopt(chan->socket, SOL_SOCKET, SO_REUSEADDR,
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&so_reuseaddr, sizeof(so_reuseaddr));
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chan->addr.sin_family = PF_INET;
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chan->addr.sin_port = htons(port);
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chan->addr.sin_addr.s_addr = inet_addr(host);
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return chan;
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}
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struct FgNetChannel* open_in_channel( char* host, uint16_t port) {
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struct FgNetChannel* chan = open_out_channel(host, port);
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int ret = bind(chan->socket, (struct sockaddr*)&chan->addr, sizeof(chan->addr));
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if (ret)
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perror("binding\n");
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return chan;
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}
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void send_buf(struct FgNetChannel* chan, char* buf, int len) {
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if (sendto(chan->socket, buf, len, 0,
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(struct sockaddr*)&chan->addr, sizeof(chan->addr)) == -1)
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printf("error sending\n");
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}
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