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@@ -17,50 +17,43 @@
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#include "trace.h"
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#include "cipassembly.h"
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-CipDword tcp_status_ = 0x1; /**< #1 TCP status with 1 we indicate that we got a valid configuration from DHCP or BOOTP */
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-CipDword configuration_capability_ = 0x04; /**< #2 This is a default value meaning that it is a DHCP client see 5-3.2.2.2 EIP specification*/
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-CipDword configuration_control_ = 0x02; /**< #3 This is a TCP/IP object attribute. 0x02 means that the device shall obtain its interface configuration values via DHCP. */
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-CipEpath physical_link_object_ = /**< #4 */
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-{ 2, /**< EIP_UINT16 (UINT) PathSize in 16 Bit chunks*/
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- CIP_ETHERNETLINK_CLASS_CODE, /**< Class Code*/
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- 1, /**< EIP_UINT16 InstanceNr*/
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- 0 /**< EIP_UINT16 AttributNr (not used as this is the EPATH the EthernetLink object)*/
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-};
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-
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-CipTcpIpNetworkInterfaceConfiguration interface_configuration_ = /**< #5 IP, network mask, gateway, name server 1 & 2, domain name*/
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-{ 0, /* default IP address */
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- 0, /* NetworkMask */
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- 0, /* Gateway */
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- 0, /* NameServer */
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- 0, /* NameServer2 */
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- { /* DomainName */
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- 0, NULL,
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- } };
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-
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-CipString hostname_ = /**< #6 Hostname*/
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-{ 0, NULL };
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-/** @brief #8 the time to live value to be used for multi-cast connections
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- *
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- * Currently we implement it non set-able and with the default value of 1.
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- */
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-EipUint8 g_time_to_live_value = 1;
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-/** @brief #9 The multicast configuration for this device
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- *
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- * Currently we implement it non set-able and use the default
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- * allocation algorithm
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- */
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-MulticastAddressConfiguration g_multicast_configuration = { 0, /* use the default allocation algorithm */
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- 0, /* reserved */
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- 1, /* we currently use only one multicast address */
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- 0 /* the multicast address will be allocated on ip address configuration */
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+/** definition of TCP/IP object instance 1 data */
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+CipTcpIpObject g_tcpip = {
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+ 0x01, /* attribute #1 TCP status with 1 we indicate that we got a valid configuration from DHCP or BOOTP */
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+ 0x04, /* attribute #2 config_capability: This is a default value meaning that it is a DHCP client see 5-3.2.2.2 EIP specification. */
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+ 0x02, /* attribute #3 config_control: 0x02 means that the device shall obtain its interface configuration values via DHCP. */
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+ { /* attribute #4 physical link object */
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+ 2, /* PathSize in 16 Bit chunks */
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+ CIP_ETHERNETLINK_CLASS_CODE, /* Class Code */
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+ 1, /* Instance # */
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+ 0 /* Attribute # (not used as this is the EPATH to the EthernetLink object)*/
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+ },
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+ { /* attribute #5 interface_configuration */
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+ 0, /* IP address */
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+ 0, /* NetworkMask */
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+ 0, /* Gateway */
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+ 0, /* NameServer */
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+ 0, /* NameServer2 */
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+ { /* DomainName */
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+ 0, NULL,
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+ }
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+ },
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+ { /* attribute #6 hostname */
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+ 0,
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+ NULL
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+ },
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+ 1, /* attribute #8 mcast TTL value */
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+ { /* attribute #9 multicast configuration */
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+ 0, /* use the default allocation algorithm */
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+ 0, /* reserved */
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+ 1, /* we currently use only one multicast address */
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+ 0 /* the multicast address will be allocated on IP address configuration */
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+ },
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+ 120 /* attribute #13 encapsulation_inactivity_timeout, use a default value of 120 */
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};
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-/** @brief #13 Number of seconds of inactivity before TCP connection is closed
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- *
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- * Currently we implemented with the default value of 120 seconds.
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- */
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-CipUint g_encapsulation_inactivity_timeout = 120;
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+
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/************** Functions ****************************************/
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EipStatus GetAttributeSingleTcpIpInterface(
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@@ -181,25 +174,25 @@ EipStatus CipTcpIpInterfaceInit() {
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CipInstance *instance = GetCipInstance(tcp_ip_class, 1); /* bind attributes to the instance #1 that was created above */
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- InsertAttribute(instance, 1, kCipDword, (void *) &tcp_status_,
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+ InsertAttribute(instance, 1, kCipDword, (void *) &g_tcpip.status,
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kGetableSingleAndAll);
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- InsertAttribute(instance, 2, kCipDword, (void *) &configuration_capability_,
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+ InsertAttribute(instance, 2, kCipDword, (void *) &g_tcpip.config_capability,
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kGetableSingleAndAll);
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- InsertAttribute(instance, 3, kCipDword, (void *) &configuration_control_,
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+ InsertAttribute(instance, 3, kCipDword, (void *) &g_tcpip.config_control,
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kSetAndGetAble);
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- InsertAttribute(instance, 4, kCipEpath, &physical_link_object_,
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+ InsertAttribute(instance, 4, kCipEpath, &g_tcpip.physical_link_object,
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kGetableSingleAndAll);
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InsertAttribute(instance, 5, kCipUdintUdintUdintUdintUdintString,
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- &interface_configuration_, kGetableSingleAndAll);
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- InsertAttribute(instance, 6, kCipString, (void *) &hostname_,
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+ &g_tcpip.interface_configuration, kGetableSingleAndAll);
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+ InsertAttribute(instance, 6, kCipString, (void *) &g_tcpip.hostname,
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kGetableSingleAndAll);
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- InsertAttribute(instance, 8, kCipUsint, (void *) &g_time_to_live_value,
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+ InsertAttribute(instance, 8, kCipUsint, (void *) &g_tcpip.mcast_ttl_value,
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kGetableSingleAndAll);
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- InsertAttribute(instance, 9, kCipAny, (void *) &g_multicast_configuration,
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+ InsertAttribute(instance, 9, kCipAny, (void *) &g_tcpip.mcast_config,
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kGetableSingleAndAll);
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InsertAttribute(instance, 13, kCipUint,
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- (void *) &g_encapsulation_inactivity_timeout, kSetAndGetAble);
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+ (void *) &g_tcpip.encapsulation_inactivity_timeout, kSetAndGetAble);
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InsertService(tcp_ip_class, kGetAttributeSingle,
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&GetAttributeSingleTcpIpInterface,
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@@ -215,14 +208,14 @@ EipStatus CipTcpIpInterfaceInit() {
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void ShutdownTcpIpInterface(void) {
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/*Only free the resources if they are initialized */
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- if (NULL != hostname_.string) {
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- CipFree(hostname_.string);
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- hostname_.string = NULL;
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+ if (NULL != g_tcpip.hostname.string) {
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+ CipFree(g_tcpip.hostname.string);
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+ g_tcpip.hostname.string = NULL;
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}
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- if (NULL != interface_configuration_.domain_name.string) {
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- CipFree(interface_configuration_.domain_name.string);
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- interface_configuration_.domain_name.string = NULL;
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+ if (NULL != g_tcpip.interface_configuration.domain_name.string) {
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+ CipFree(g_tcpip.interface_configuration.domain_name.string);
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+ g_tcpip.interface_configuration.domain_name.string = NULL;
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}
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}
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@@ -271,17 +264,17 @@ EipStatus GetAttributeSingleTcpIpInterface(
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/* create a reply message containing the data*/
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message_router_response->data_length += EncodeData(
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- kCipUsint, &(g_multicast_configuration.alloc_control), &message);
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+ kCipUsint, &(g_tcpip.mcast_config.alloc_control), &message);
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message_router_response->data_length += EncodeData(
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- kCipUsint, &(g_multicast_configuration.reserved_shall_be_zero),
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+ kCipUsint, &(g_tcpip.mcast_config.reserved_shall_be_zero),
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&message);
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message_router_response->data_length += EncodeData(
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kCipUint,
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- &(g_multicast_configuration.number_of_allocated_multicast_addresses),
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+ &(g_tcpip.mcast_config.number_of_allocated_multicast_addresses),
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&message);
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EipUint32 multicast_address = ntohl(
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- g_multicast_configuration.starting_multicast_address);
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+ g_tcpip.mcast_config.starting_multicast_address);
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message_router_response->data_length += EncodeData(kCipUdint,
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&multicast_address,
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Stefan Mätje