/******************************************************************************* (c) 2005-2014 Copyright, Real-Time Innovations, Inc. All rights reserved. RTI grants Licensee a license to use, modify, compile, and create derivative works of the Software. Licensee has the right to distribute object form only for use with RTI products. The Software is provided "as is", with no warranty of any type, including any warranty for fitness for any purpose. RTI is under no obligation to maintain or support the Software. RTI shall not be liable for any incidental or consequential damages arising out of the use or inability to use the software. ******************************************************************************/ /* cft_publisher.c A publication of data of type cft This file is derived from code automatically generated by the rtiddsgen command: rtiddsgen -language C -example cft.idl Example publication of type cft automatically generated by 'rtiddsgen'. To test them follow these steps: (1) Compile this file and the example subscription. (2) Start the subscription with the command objs//cft_subscriber (3) Start the publication with the command objs//cft_publisher (4) [Optional] Specify the list of discovery initial peers and multicast receive addresses via an environment variable or a file (in the current working directory) called NDDS_DISCOVERY_PEERS. You can run any number of publishers and subscribers programs, and can add and remove them dynamically from the domain. Example: To run the example application on domain : On Unix: objs//cft_publisher objs//cft_subscriber On Windows: objs\\cft_publisher objs\\cft_subscriber modification history ------------ ------- */ #include "cft.h" #include "cftSupport.h" #include "ndds/ndds_c.h" #include #include /* Delete all entities */ static int publisher_shutdown(DDS_DomainParticipant *participant) { DDS_ReturnCode_t retcode; int status = 0; if (participant != NULL) { retcode = DDS_DomainParticipant_delete_contained_entities(participant); if (retcode != DDS_RETCODE_OK) { printf("delete_contained_entities error %d\n", retcode); status = -1; } retcode = DDS_DomainParticipantFactory_delete_participant( DDS_TheParticipantFactory, participant); if (retcode != DDS_RETCODE_OK) { printf("delete_participant error %d\n", retcode); status = -1; } } /* RTI Connext provides finalize_instance() method on domain participant factory for people who want to release memory used by the participant factory. Uncomment the following block of code for clean destruction of the singleton. */ /* retcode = DDS_DomainParticipantFactory_finalize_instance(); if (retcode != DDS_RETCODE_OK) { printf("finalize_instance error %d\n", retcode); status = -1; } */ return status; } static int publisher_main(int domainId, int sample_count) { DDS_DomainParticipant *participant = NULL; DDS_Publisher *publisher = NULL; DDS_Topic *topic = NULL; DDS_DataWriter *writer = NULL; cftDataWriter *cft_writer = NULL; cft *instance = NULL; DDS_ReturnCode_t retcode; DDS_InstanceHandle_t instance_handle = DDS_HANDLE_NIL; const char *type_name = NULL; int count = 0; struct DDS_Duration_t send_period = { 1, 0 }; char *even_string = DDS_String_dup("EVEN"); char *odd_string = DDS_String_dup("ODD"); /* We need this structure in case we want to change the datawriter_qos * programmatically.*/ /* struct DDS_DataWriterQos datawriter_qos = DDS_DataWriterQos_INITIALIZER; */ /* To customize participant QoS, use the configuration file USER_QOS_PROFILES.xml */ participant = DDS_DomainParticipantFactory_create_participant( DDS_TheParticipantFactory, domainId, &DDS_PARTICIPANT_QOS_DEFAULT, NULL /* listener */, DDS_STATUS_MASK_NONE); if (participant == NULL) { printf("create_participant error\n"); publisher_shutdown(participant); return -1; } /* To customize publisher QoS, use the configuration file USER_QOS_PROFILES.xml */ publisher = DDS_DomainParticipant_create_publisher( participant, &DDS_PUBLISHER_QOS_DEFAULT, NULL /* listener */, DDS_STATUS_MASK_NONE); if (publisher == NULL) { printf("create_publisher error\n"); publisher_shutdown(participant); return -1; } /* Register type before creating topic */ type_name = cftTypeSupport_get_type_name(); retcode = cftTypeSupport_register_type(participant, type_name); if (retcode != DDS_RETCODE_OK) { printf("register_type error %d\n", retcode); publisher_shutdown(participant); return -1; } /* To customize topic QoS, use the configuration file USER_QOS_PROFILES.xml */ topic = DDS_DomainParticipant_create_topic( participant, "Example cft", type_name, &DDS_TOPIC_QOS_DEFAULT, NULL /* listener */, DDS_STATUS_MASK_NONE); if (topic == NULL) { printf("create_topic error\n"); publisher_shutdown(participant); return -1; } /* To customize data writer QoS, use the configuration file USER_QOS_PROFILES.xml */ writer = DDS_Publisher_create_datawriter( publisher, topic, &DDS_DATAWRITER_QOS_DEFAULT, NULL /* listener */, DDS_STATUS_MASK_NONE); if (writer == NULL) { printf("create_datawriter error\n"); publisher_shutdown(participant); return -1; } /* If you want to set the reliability and history QoS settings * programmatically rather than using the XML, you will need to add * the following lines to your code and comment out the create_datawriter * call above. */ /* retcode = DDS_Publisher_get_default_datawriter_qos(publisher, &datawriter_qos); if (retcode != DDS_RETCODE_OK) { printf("get_default_datawriter_qos error\n"); return -1; } datawriter_qos.reliability.kind = DDS_RELIABLE_RELIABILITY_QOS; datawriter_qos.durability.kind = DDS_TRANSIENT_LOCAL_DURABILITY_QOS; datawriter_qos.history.kind = DDS_KEEP_LAST_HISTORY_QOS; datawriter_qos.history.depth = 20; writer = DDS_Publisher_create_datawriter( publisher, topic, &datawriter_qos, NULL, DDS_STATUS_MASK_NONE); if (writer == NULL) { printf("create_datawriter error\n"); publisher_shutdown(participant); return -1; } */ cft_writer = cftDataWriter_narrow(writer); if (cft_writer == NULL) { printf("DataWriter narrow error\n"); publisher_shutdown(participant); return -1; } /* Create data sample for writing */ instance = cftTypeSupport_create_data_ex(DDS_BOOLEAN_TRUE); if (instance == NULL) { printf("cftTypeSupport_create_data error\n"); publisher_shutdown(participant); return -1; } /* For a data type that has a key, if the same instance is going to be written multiple times, initialize the key here and register the keyed instance prior to writing */ /* instance_handle = cftDataWriter_register_instance( cft_writer, instance); */ /* Main loop */ for (count = 0; (sample_count == 0) || (count < sample_count); ++count) { printf("Writing cft, count %d\n", count); /* Modify the data to be written here */ if (count % 2 == 1) { instance->name = odd_string; } else { instance->name = even_string; } instance->count = count; /* Write data */ retcode = cftDataWriter_write(cft_writer, instance, &instance_handle); if (retcode != DDS_RETCODE_OK) { printf("write error %d\n", retcode); } NDDS_Utility_sleep(&send_period); } /* retcode = cftDataWriter_unregister_instance( cft_writer, instance, &instance_handle); if (retcode != DDS_RETCODE_OK) { printf("unregister instance error %d\n", retcode); } */ /* Delete data sample */ retcode = cftTypeSupport_delete_data_ex(instance, DDS_BOOLEAN_TRUE); if (retcode != DDS_RETCODE_OK) { printf("cftTypeSupport_delete_data error %d\n", retcode); } /* Cleanup and delete delete all entities */ return publisher_shutdown(participant); } #if defined(RTI_WINCE) int wmain(int argc, wchar_t **argv) { int domainId = 0; int sample_count = 0; /* infinite loop */ if (argc >= 2) { domainId = _wtoi(argv[1]); } if (argc >= 3) { sample_count = _wtoi(argv[2]); } /* Uncomment this to turn on additional logging NDDS_Config_Logger_set_verbosity_by_category( NDDS_Config_Logger_get_instance(), NDDS_CONFIG_LOG_CATEGORY_API, NDDS_CONFIG_LOG_VERBOSITY_STATUS_ALL); */ return publisher_main(domainId, sample_count); } #elif !(defined(RTI_VXWORKS) && !defined(__RTP__)) && !defined(RTI_PSOS) int main(int argc, char *argv[]) { int domainId = 0; int sample_count = 0; /* infinite loop */ if (argc >= 2) { domainId = atoi(argv[1]); } if (argc >= 3) { sample_count = atoi(argv[2]); } /* Uncomment this to turn on additional logging NDDS_Config_Logger_set_verbosity_by_category( NDDS_Config_Logger_get_instance(), NDDS_CONFIG_LOG_CATEGORY_API, NDDS_CONFIG_LOG_VERBOSITY_STATUS_ALL); */ return publisher_main(domainId, sample_count); } #endif #ifdef RTI_VX653 const unsigned char *__ctype = NULL; void usrAppInit() { #ifdef USER_APPL_INIT USER_APPL_INIT; /* for backwards compatibility */ #endif /* add application specific code here */ taskSpawn( "pub", RTI_OSAPI_THREAD_PRIORITY_NORMAL, 0x8, 0x150000, (FUNCPTR) publisher_main, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); } #endif