running the indent on the files.
This commit is contained in:
@@ -25,8 +25,8 @@
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#include <stdint.h> // for standard integer types uint8_t etc.
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#include <stdbool.h> // for the standard bool type.
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#include <stdio.h> // for the standard bool type.
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#include <stdlib.h> // for the standard bool type.
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#include <stdio.h> // for the standard bool type.
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#include <stdlib.h> // for the standard bool type.
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#include <rttarget.h>
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#include <rtk32.h>
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#include <clock.h>
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@@ -40,6 +40,7 @@ uint8_t Ethernet_Broadcast[MAX_MAC_LEN] =
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{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
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// commonly used empty address for ethernet quick compare
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uint8_t Ethernet_Empty_MAC[MAX_MAC_LEN] = { 0, 0, 0, 0, 0, 0 };
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// my local device data - MAC address
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uint8_t Ethernet_MAC_Address[MAX_MAC_LEN] = { 0, 0, 0, 0, 0, 0 };
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@@ -49,45 +50,44 @@ static struct sockaddr Ethernet_Address = { 0 };
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bool ethernet_valid(void)
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{
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return (Ethernet_Socket != -1);
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return (Ethernet_Socket != -1);
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}
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void ethernet_cleanup(void)
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{
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if (ethernet_valid())
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closesocket(Ethernet_Socket);
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Ethernet_Socket = -1;
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if (ethernet_valid())
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closesocket(Ethernet_Socket);
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Ethernet_Socket = -1;
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return;
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return;
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}
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bool ethernet_init(char *interface_name)
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{
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int value = 1;
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(void)interface_name;
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int value = 1;
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(void) interface_name;
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// setup the socket
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Ethernet_Socket = socket(AF_INET, SOCK_RAW, 0);
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//Ethernet_Socket = socket(AF_INET, SOCK_STREAM, 0);
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if (Ethernet_Socket < 0)
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fprintf(stderr,"ethernet: failed to bind to socket!\r\n");
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fprintf(stderr, "ethernet: failed to bind to socket!\r\n");
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Ethernet_Address.sa_family = AF_INET;
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memset(Ethernet_Address.sa_data,0,sizeof(Ethernet_Address.sa_data));
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if (bind(Ethernet_Socket,
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&Ethernet_Address, sizeof(Ethernet_Address)) == SOCKET_ERROR)
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fprintf(stderr,"ethernet: failed to bind to socket!\r\n");
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memset(Ethernet_Address.sa_data, 0, sizeof(Ethernet_Address.sa_data));
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if (bind(Ethernet_Socket,
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&Ethernet_Address, sizeof(Ethernet_Address)) == SOCKET_ERROR)
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fprintf(stderr, "ethernet: failed to bind to socket!\r\n");
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//setsockopt(Ethernet_Socket,SOL_SOCKET,SO_802_2,(char *)&value,sizeof(value));
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return ethernet_valid();
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return ethernet_valid();
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}
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/* function to send a packet out the 802.2 socket */
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/* returns bytes sent on success, negative number on failure */
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int ethernet_send(
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BACNET_ADDRESS *dest, // destination address
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BACNET_ADDRESS *src, // source address
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uint8_t *pdu, // any data to be sent - may be null
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unsigned pdu_len) // number of bytes of data
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int ethernet_send(BACNET_ADDRESS * dest, // destination address
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BACNET_ADDRESS * src, // source address
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uint8_t * pdu, // any data to be sent - may be null
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unsigned pdu_len) // number of bytes of data
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{
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int bytes = 0;
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uint8_t mtu[MAX_MPDU] = { 0 };
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@@ -95,100 +95,86 @@ int ethernet_send(
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int i = 0;
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// don't waste time if the socket is not valid
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if (Ethernet_Socket < 0)
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{
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if (Ethernet_Socket < 0) {
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fprintf(stderr, "ethernet: 802.2 socket is invalid!\n");
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return -1;
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}
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/* load destination ethernet MAC address */
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if (dest->mac_len == 6)
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{
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for (i = 0; i < 6; i++)
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{
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mtu[mtu_len] = dest->mac[i];
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mtu_len++;
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}
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}
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else
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{
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if (dest->mac_len == 6) {
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for (i = 0; i < 6; i++) {
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mtu[mtu_len] = dest->mac[i];
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mtu_len++;
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}
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} else {
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fprintf(stderr, "ethernet: invalid destination MAC address!\n");
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return -2;
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}
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/* load source ethernet MAC address */
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if (src->mac_len == 6)
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{
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for (i = 0; i < 6; i++)
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{
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mtu[mtu_len] = src->mac[i];
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mtu_len++;
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}
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}
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else
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{
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if (src->mac_len == 6) {
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for (i = 0; i < 6; i++) {
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mtu[mtu_len] = src->mac[i];
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mtu_len++;
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}
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} else {
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fprintf(stderr, "ethernet: invalid source MAC address!\n");
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return -3;
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}
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if ((14 + 3 + pdu_len) > MAX_MPDU)
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{
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if ((14 + 3 + pdu_len) > MAX_MPDU) {
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fprintf(stderr, "ethernet: PDU is too big to send!\n");
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return -4;
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}
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/* packet length */
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mtu_len += encode_unsigned16(&mtu[12],
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3 /*DSAP,SSAP,LLC*/ + pdu_len);
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mtu_len += encode_unsigned16(&mtu[12],
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3 /*DSAP,SSAP,LLC */ + pdu_len);
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// Logical PDU portion
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mtu[mtu_len++] = 0x82; /* DSAP for BACnet */
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mtu[mtu_len++] = 0x82; /* SSAP for BACnet */
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mtu[mtu_len++] = 0x03; /* Control byte in header */
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mtu[mtu_len++] = 0x82; /* DSAP for BACnet */
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mtu[mtu_len++] = 0x82; /* SSAP for BACnet */
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mtu[mtu_len++] = 0x03; /* Control byte in header */
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memcpy(&mtu[mtu_len], pdu, pdu_len);
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mtu_len += pdu_len;
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/* Send the packet */
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bytes =
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send(Ethernet_Socket, (const char *)&mtu, mtu_len, 0);
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bytes = send(Ethernet_Socket, (const char *) &mtu, mtu_len, 0);
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/* did it get sent? */
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if (bytes < 0)
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fprintf(stderr,"ethernet: Error sending packet: %s\n",
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strerror(errno));
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fprintf(stderr, "ethernet: Error sending packet: %s\n",
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strerror(errno));
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return bytes;
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}
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/* function to send a packet out the 802.2 socket */
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/* returns bytes sent on success, negative number on failure */
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int ethernet_send_pdu(
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BACNET_ADDRESS *dest, // destination address
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uint8_t *pdu, // any data to be sent - may be null
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unsigned pdu_len) // number of bytes of data
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int ethernet_send_pdu(BACNET_ADDRESS * dest, // destination address
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uint8_t * pdu, // any data to be sent - may be null
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unsigned pdu_len) // number of bytes of data
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{
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int i = 0; // counter
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BACNET_ADDRESS src = {0}; // source address
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for (i = 0; i < 6; i++)
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{
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src.mac[i] = Ethernet_MAC_Address[i];
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src.mac_len++;
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}
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/* function to send a packet out the 802.2 socket */
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/* returns 1 on success, 0 on failure */
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return ethernet_send(dest, // destination address
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&src, // source address
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pdu, // any data to be sent - may be null
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pdu_len); // number of bytes of data
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int i = 0; // counter
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BACNET_ADDRESS src = { 0 }; // source address
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for (i = 0; i < 6; i++) {
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src.mac[i] = Ethernet_MAC_Address[i];
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src.mac_len++;
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}
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/* function to send a packet out the 802.2 socket */
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/* returns 1 on success, 0 on failure */
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return ethernet_send(dest, // destination address
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&src, // source address
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pdu, // any data to be sent - may be null
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pdu_len); // number of bytes of data
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}
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// receives an 802.2 framed packet
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// returns the number of octets in the PDU, or zero on failure
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uint16_t ethernet_receive(
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BACNET_ADDRESS *src, // source address
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uint8_t *pdu, // PDU data
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uint16_t max_pdu, // amount of space available in the PDU
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unsigned timeout) // number of milliseconds to wait for a packet
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uint16_t ethernet_receive(BACNET_ADDRESS * src, // source address
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uint8_t * pdu, // PDU data
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uint16_t max_pdu, // amount of space available in the PDU
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unsigned timeout) // number of milliseconds to wait for a packet
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{
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int received_bytes;
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uint8_t buf[MAX_MPDU] = {0}; // data
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uint16_t pdu_len = 0; // return value
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uint8_t buf[MAX_MPDU] = { 0 }; // data
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uint16_t pdu_len = 0; // return value
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fd_set read_fds;
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int max;
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struct timeval select_timeout;
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@@ -200,14 +186,11 @@ uint16_t ethernet_receive(
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/* we could just use a non-blocking socket, but that consumes all
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the CPU time. We can use a timeout; it is only supported as
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a select. */
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if (timeout >= 1000)
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{
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if (timeout >= 1000) {
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select_timeout.tv_sec = timeout / 1000;
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select_timeout.tv_usec =
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1000 * (timeout - select_timeout.tv_sec * 1000);
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}
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else
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{
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select_timeout.tv_usec =
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1000 * (timeout - select_timeout.tv_sec * 1000);
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} else {
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select_timeout.tv_sec = 0;
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select_timeout.tv_usec = 1000 * timeout;
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}
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@@ -216,7 +199,8 @@ uint16_t ethernet_receive(
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max = Ethernet_Socket;
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if (select(max + 1, &read_fds, NULL, NULL, &select_timeout) > 0)
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received_bytes = recv(Ethernet_Socket, (char *)&buf[0], MAX_MPDU, 0);
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received_bytes =
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recv(Ethernet_Socket, (char *) &buf[0], MAX_MPDU, 0);
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else
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return 0;
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@@ -226,14 +210,15 @@ uint16_t ethernet_receive(
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// using O_NONBLOCK and no data
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// was immediately available for reading.
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if (errno != EAGAIN)
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fprintf(stderr,"ethernet: Read error in receiving packet: %s\n",
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fprintf(stderr,
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"ethernet: Read error in receiving packet: %s\n",
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strerror(errno));
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return 0;
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}
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if (received_bytes == 0)
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return 0;
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return 0;
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/* the signature of an 802.2 BACnet packet */
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if ((buf[14] != 0x82) && (buf[15] != 0x82)) {
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//fprintf(stderr,"ethernet: Non-BACnet packet\n");
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@@ -245,108 +230,95 @@ uint16_t ethernet_receive(
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// check destination address for when
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// the Ethernet card is in promiscious mode
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if ((memcmp(&buf[0], Ethernet_MAC_Address,6) != 0)
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&& (memcmp(&buf[0], Ethernet_Broadcast, 6) != 0))
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{
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if ((memcmp(&buf[0], Ethernet_MAC_Address, 6) != 0)
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&& (memcmp(&buf[0], Ethernet_Broadcast, 6) != 0)) {
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//fprintf(stderr, "ethernet: This packet isn't for us\n");
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return 0;
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}
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(void)decode_unsigned16(&buf[12],&pdu_len);
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(void) decode_unsigned16(&buf[12], &pdu_len);
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pdu_len -= 3 /* DSAP, SSAP, LLC Control */ ;
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// copy the buffer into the PDU
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if (pdu_len < max_pdu)
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memmove(&pdu[0],&buf[17],pdu_len);
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memmove(&pdu[0], &buf[17], pdu_len);
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// ignore packets that are too large
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// client should check my max apdu first
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else
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pdu_len = 0;
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pdu_len = 0;
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return pdu_len;
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}
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void ethernet_get_my_address(BACNET_ADDRESS *my_address)
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void ethernet_get_my_address(BACNET_ADDRESS * my_address)
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{
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int i = 0;
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my_address->mac_len = 0;
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for (i = 0; i < 6; i++)
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{
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my_address->mac[i] = Ethernet_MAC_Address[i];
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my_address->mac_len++;
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}
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my_address->net = 0; // local only, no routing
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my_address->len = 0;
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for (i = 0; i < MAX_MAC_LEN; i++)
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{
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my_address->adr[i] = 0;
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}
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int i = 0;
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return;
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my_address->mac_len = 0;
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for (i = 0; i < 6; i++) {
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my_address->mac[i] = Ethernet_MAC_Address[i];
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my_address->mac_len++;
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}
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my_address->net = 0; // local only, no routing
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my_address->len = 0;
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for (i = 0; i < MAX_MAC_LEN; i++) {
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my_address->adr[i] = 0;
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}
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return;
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}
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void ethernet_set_my_address(BACNET_ADDRESS *my_address)
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void ethernet_set_my_address(BACNET_ADDRESS * my_address)
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{
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int i = 0;
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for (i = 0; i < 6; i++)
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{
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Ethernet_MAC_Address[i] = my_address->mac[i];
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}
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int i = 0;
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return;
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for (i = 0; i < 6; i++) {
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Ethernet_MAC_Address[i] = my_address->mac[i];
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}
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return;
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}
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void ethernet_get_broadcast_address(
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BACNET_ADDRESS *dest) // destination address
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void ethernet_get_broadcast_address(BACNET_ADDRESS * dest) // destination address
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{
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int i = 0; // counter
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if (dest)
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{
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for (i = 0; i < 6; i++)
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{
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dest->mac[i] = Ethernet_Broadcast[i];
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}
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dest->mac_len = 6;
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dest->net = BACNET_BROADCAST_NETWORK;
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dest->len = 0; // denotes broadcast address
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for (i = 0; i < MAX_MAC_LEN; i++)
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{
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dest->adr[i] = 0;
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}
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}
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int i = 0; // counter
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return;
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if (dest) {
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for (i = 0; i < 6; i++) {
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dest->mac[i] = Ethernet_Broadcast[i];
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}
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dest->mac_len = 6;
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dest->net = BACNET_BROADCAST_NETWORK;
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dest->len = 0; // denotes broadcast address
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for (i = 0; i < MAX_MAC_LEN; i++) {
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dest->adr[i] = 0;
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}
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}
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return;
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}
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void ethernet_debug_address(
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const char *info,
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BACNET_ADDRESS *dest)
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void ethernet_debug_address(const char *info, BACNET_ADDRESS * dest)
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{
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int i = 0; // counter
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int i = 0; // counter
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if (info)
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fprintf(stderr,"%s",info);
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if (dest)
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{
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fprintf(stderr,"Address:\n");
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fprintf(stderr," MAC Length=%d\n",dest->mac_len);
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fprintf(stderr," MAC Address=");
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for (i = 0; i < MAX_MAC_LEN; i++)
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{
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fprintf(stderr,"%02X ",(unsigned)dest->mac[i]);
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if (info)
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fprintf(stderr, "%s", info);
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if (dest) {
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fprintf(stderr, "Address:\n");
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fprintf(stderr, " MAC Length=%d\n", dest->mac_len);
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fprintf(stderr, " MAC Address=");
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for (i = 0; i < MAX_MAC_LEN; i++) {
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fprintf(stderr, "%02X ", (unsigned) dest->mac[i]);
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}
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fprintf(stderr, "\n");
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fprintf(stderr, " Net=%hu\n", dest->net);
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fprintf(stderr, " Len=%d\n", dest->len);
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fprintf(stderr, " Adr=");
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for (i = 0; i < MAX_MAC_LEN; i++) {
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fprintf(stderr, "%02X ", (unsigned) dest->adr[i]);
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}
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fprintf(stderr, "\n");
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}
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fprintf(stderr,"\n");
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fprintf(stderr," Net=%hu\n",dest->net);
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fprintf(stderr," Len=%d\n",dest->len);
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fprintf(stderr," Adr=");
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for (i = 0; i < MAX_MAC_LEN; i++)
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{
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fprintf(stderr,"%02X ",(unsigned)dest->adr[i]);
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}
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fprintf(stderr,"\n");
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}
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return;
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return;
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}
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Reference in New Issue
Block a user