msharee9 commented on a change in pull request #674: Minificpp 1007 - ECU C2 integration. URL: https://github.com/apache/nifi-minifi-cpp/pull/674#discussion_r353996883
########## File path: nanofi/src/coap/c2agent.c ########## @@ -0,0 +1,481 @@ +/** + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "coap/c2structs.h" +#include "coap/c2agent.h" +#include "coap/c2protocol.h" +#include "coap/coapprotocol.h" + +#include "nanofi/coap_message.h" + +#include <time.h> +#include <netdb.h> +#include <unistd.h> +#include <pthread.h> +#include <sys/socket.h> +#include <sys/utsname.h> +#include <sys/errno.h> + +#include "utlist.h" +#include <uuid/uuid.h> + +#if defined(__APPLE__) && defined(__MACH__) +#define MAC +#include <sys/sysctl.h> +#else +#include <sys/sysinfo.h> +#endif + +uint64_t get_physical_memory_size() { +#ifdef MAC + uint64_t memsize = 0; + size_t len = sizeof(memsize); + if (sysctlbyname("hw.memsize", &memsize, &len, NULL, 0) == 0) { + return memsize; + } +#else + struct sysinfo sys_info; + if (sysinfo(&sys_info) == 0) { + return sys_info.totalram; + } +#endif + return 0; +} + +uint16_t get_num_vcores() { +#ifdef MAC + uint16_t num_cpus = 0; + size_t len = sizeof(num_cpus); + if (sysctlbyname("hw.logicalcpu", &num_cpus, &len, NULL, 0) == 0) { + return num_cpus; + } + return 0; +#else + long ncpus = sysconf(_SC_NPROCESSORS_ONLN); + if (ncpus < 0) { + return 0; + } + return (uint16_t)ncpus; +#endif +} + +char * get_ipaddr_from_hostname(const char * hostname) { + struct addrinfo hints, *infoptr; + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_UNSPEC; + + int result = getaddrinfo(hostname, NULL, &hints, &infoptr); + if (result) { + printf("error getting addr info getaddrinfo: %s\n", gai_strerror(result)); + return NULL; + } + + size_t len = 45; + char * host = (char *)malloc((len+1) * sizeof(char)); + struct addrinfo *p; + for (p = infoptr; p != NULL; p = p->ai_next) { + if (getnameinfo(p->ai_addr, p->ai_addrlen, host, len, NULL, 0, NI_NUMERICHOST) == 0) { + freeaddrinfo(infoptr); + return host; + } + } + + freeaddrinfo(infoptr); + free(host); + return NULL; +} + +int get_machine_architecture(char * buff) { + if (!buff) { + return -1; + } + struct utsname name; + if (uname(&name) == 0) { + strcpy(buff, name.machine); + return 0; + } + return -1; +} + +c2heartbeat_t prepare_c2_heartbeat(const char * agent_id) { + c2heartbeat_t c2_heartbeat; + memset(&c2_heartbeat, 0, sizeof(c2heartbeat_t)); + + if (!agent_id) { + c2_heartbeat.is_error = 1; + return c2_heartbeat; + } + + strcpy(c2_heartbeat.agent_info.ident, agent_id); + c2_heartbeat.agent_info.agent_class = (char *)malloc((strlen("default") + 1) * sizeof(char)); + strcpy(c2_heartbeat.agent_info.agent_class, "default"); + c2_heartbeat.agent_info.uptime = time(NULL); //TODO correct me + + //device_info + c2_heartbeat.device_info.ident = (char *)malloc((strlen("identifier") + 1) * sizeof(char)); + strcpy(c2_heartbeat.device_info.ident, "identifier"); + c2_heartbeat.device_info.network_info.device_id = (char *)malloc((strlen("device_id") + 1) * sizeof(char)); + strcpy(c2_heartbeat.device_info.network_info.device_id, "device_id"); + + //device_info.network_info + size_t len = sizeof(c2_heartbeat.device_info.network_info.host_name); + memset(c2_heartbeat.device_info.network_info.host_name, 0, len); + if (gethostname(c2_heartbeat.device_info.network_info.host_name, len) < 0) { + strcpy(c2_heartbeat.device_info.network_info.host_name, "unknown"); + } + char * ipaddr = get_ipaddr_from_hostname(c2_heartbeat.device_info.network_info.host_name); + if (ipaddr) { + strcpy(c2_heartbeat.device_info.network_info.ip_address, ipaddr); + free(ipaddr); + } else { + strcpy(c2_heartbeat.device_info.network_info.ip_address, "unknown"); + } + + //device_info.system_info + memset(c2_heartbeat.device_info.system_info.machine_arch, 0, sizeof(c2_heartbeat.device_info.system_info.machine_arch)); + if (get_machine_architecture(c2_heartbeat.device_info.system_info.machine_arch) < 0) { + strcpy(c2_heartbeat.device_info.system_info.machine_arch, "-"); + } + c2_heartbeat.device_info.system_info.physical_mem = get_physical_memory_size(); + c2_heartbeat.device_info.system_info.v_cores = get_num_vcores(); + + return c2_heartbeat; +} + +void prepare_agent_manifest(c2context_t * c2_ctx, c2heartbeat_t * hb) { + size_t num_ecus = 0; + num_ecus = HASH_COUNT(c2_ctx->ecus); + hb->has_ag_manifest = 1; + agent_manifest ag_manifest; + memset(&ag_manifest, 0, sizeof(agent_manifest)); + + UUID_FIELD uuid; + uuid_generate(uuid); + uuid_unparse_lower(uuid, ag_manifest.manifest_id); + strcpy(ag_manifest.agent_type, "nanofi-c"); + strcpy(ag_manifest.version, "0.0.1"); + + ag_manifest.num_ecus = num_ecus; + ag_manifest.ecus = (ecuinfo *)malloc(num_ecus * sizeof(ecuinfo)); + memset(ag_manifest.ecus, 0, (num_ecus * sizeof(ecuinfo))); + + ecu_entry_t * el, *tmp; + int i = 0; + HASH_ITER(hh, c2_ctx->ecus, el, tmp) { + strcpy(ag_manifest.ecus[i].uuid, el->uuid); + ag_manifest.ecus[i].name = (const char *)malloc(strlen(el->ecu->name) + 1); + strcpy((char *)ag_manifest.ecus[i].name, el->ecu->name); + char * input; + get_input_name(el->ecu, &input); + if (input && strlen(input) > 0) { + size_t ip_len = strlen(input); + ag_manifest.ecus[i].input = (const char *)malloc(ip_len + 1); + strcpy((char *)ag_manifest.ecus[i].input, input); + free(input); + } + ag_manifest.ecus[i].ip_args = get_input_args(el->ecu); + + char * output; + get_output_name(el->ecu, &output); + if (output && strlen(output) > 0) { + size_t op_len = strlen(output); + ag_manifest.ecus[i].output = (const char *)malloc(op_len + 1); + strcpy((char *)ag_manifest.ecus[i].output, output); + free(output); + } + ag_manifest.ecus[i].op_args = get_output_args(el->ecu); + } + hb->ag_manifest = ag_manifest; + hb->ag_manifest.io = get_io_manifest(); +} + +c2_response_t * prepare_c2_response(const char * operation_id) { + if (!operation_id || strlen(operation_id) == 0) { + return NULL; + } + c2_response_t * c2_resp = (c2_response_t *)malloc(sizeof(c2_response_t)); + size_t len = strlen(operation_id); + c2_resp->ident = (char *)malloc(len + 1); + strcpy(c2_resp->ident, operation_id); + c2_resp->operation = ACKNOWLEDGE; + return c2_resp; +} + +typedef struct { + char * ip_name; + char * op_name; + properties_t * ip_props; + properties_t * op_props; +} io_properties; + +char ** parse_tokens(const char * str, size_t len, size_t num_tokens, const char * sep) { + char * arg = (char *)malloc(len + 1); + strcpy(arg, str); + char * tok = strtok(arg, sep); Review comment: ok. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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