예제 #1
0
static void *msgpack_init(CTX ctx, kpackAPI_t *pk)
{
	pk->sbuffer = msgpack_sbuffer_new();
	pk->pk = msgpack_packer_new(pk->sbuffer, msgpack_sbuffer_write);
	return pk;
}
예제 #2
0
void publish_proc_event(process_t *process, const char *name) {
  /* TODO(sissel): move this to a separate file for 'event' streaming */
  zmq_msg_t event;
  int rc;
  size_t msgsize;
  program_t *program = pn_proc_program(process);
  procnanny_t *pn = program->data;

  /* Fields:
   *  - program name
   *  - process instance
   *  - exit status
   *  - duration ?
   */

  msgpack_sbuffer *buffer = msgpack_sbuffer_new();
  msgpack_packer *output_msg = msgpack_packer_new(buffer, msgpack_sbuffer_write);

  msgpack_pack_map(output_msg, 5);
  msgpack_pack_string(output_msg, "event", -1);
  msgpack_pack_string(output_msg, name, -1);

  msgpack_pack_string(output_msg, "program", -1);
  msgpack_pack_string(output_msg, program->name, program->name_len);

  msgpack_pack_string(output_msg, "instance", -1);
  msgpack_pack_int(output_msg, process->instance);

  msgpack_pack_string(output_msg, "state", -1);
  switch (process->state) {
    case PROCESS_STATE_STARTING: msgpack_pack_string(output_msg, "starting", -1); break;
    case PROCESS_STATE_RUNNING: msgpack_pack_string(output_msg, "running", -1); break;
    case PROCESS_STATE_STOPPING: msgpack_pack_string(output_msg, "stopping", -1); break;
    case PROCESS_STATE_EXITED: msgpack_pack_string(output_msg, "exited", -1); break;
    case PROCESS_STATE_BACKOFF: msgpack_pack_string(output_msg, "backoff", -1); break;
    case PROCESS_STATE_NEW: msgpack_pack_string(output_msg, "new", -1); break;
    default: msgpack_pack_string(output_msg, "unknown", -1); break;
  }

  if (process->state == PROCESS_STATE_EXITED
      || process->state == PROCESS_STATE_BACKOFF) {
    msgpack_pack_string(output_msg, "code", -1);
    msgpack_pack_nil(output_msg);
  } else if (process->exit_signal == 0) {
    msgpack_pack_string(output_msg, "code", -1);
    msgpack_pack_int(output_msg, process->exit_status);
  } else {
    msgpack_pack_string(output_msg, "signal", -1);

    /* lol. */
    switch (process->exit_signal) {
      case SIGHUP: msgpack_pack_string(output_msg, "HUP", 3); break;
      case SIGINT: msgpack_pack_string(output_msg, "INT", 3); break;
      case SIGQUIT: msgpack_pack_string(output_msg, "QUIT", 4); break;
      case SIGILL: msgpack_pack_string(output_msg, "ILL", 3); break;
      case SIGTRAP: msgpack_pack_string(output_msg, "TRAP", 4); break;
      case SIGABRT: msgpack_pack_string(output_msg, "ABRT", 4); break;
      case SIGBUS: msgpack_pack_string(output_msg, "BUS", 3); break;
      case SIGFPE: msgpack_pack_string(output_msg, "FPE", 3); break;
      case SIGKILL: msgpack_pack_string(output_msg, "KILL", 4); break;
      case SIGUSR1: msgpack_pack_string(output_msg, "USR1", 4); break;
      case SIGSEGV: msgpack_pack_string(output_msg, "SEGV", 4); break;
      case SIGUSR2: msgpack_pack_string(output_msg, "USR2", 4); break;
      case SIGPIPE: msgpack_pack_string(output_msg, "PIPE", 4); break;
      case SIGALRM: msgpack_pack_string(output_msg, "ALRM", 4); break;
      case SIGTERM: msgpack_pack_string(output_msg, "TERM", 4); break;
      case SIGSTKFLT: msgpack_pack_string(output_msg, "STKFLT", 6); break;
      case SIGCHLD: msgpack_pack_string(output_msg, "CHLD", 4); break;
      case SIGCONT: msgpack_pack_string(output_msg, "CONT", 4); break;
      case SIGSTOP: msgpack_pack_string(output_msg, "STOP", 4); break;
      case SIGTSTP: msgpack_pack_string(output_msg, "TSTP", 4); break;
      case SIGTTIN: msgpack_pack_string(output_msg, "TTIN", 4); break;
      case SIGTTOU: msgpack_pack_string(output_msg, "TTOU", 4); break;
      case SIGURG: msgpack_pack_string(output_msg, "URG", 3); break;
      case SIGXCPU: msgpack_pack_string(output_msg, "XCPU", 4); break;
      case SIGXFSZ: msgpack_pack_string(output_msg, "XFSZ", 4); break;
      case SIGVTALRM: msgpack_pack_string(output_msg, "VTALRM", 5); break;
      case SIGPROF: msgpack_pack_string(output_msg, "PROF", 4); break;
      case SIGWINCH: msgpack_pack_string(output_msg, "WINCH", 5); break;
      case SIGPOLL: msgpack_pack_string(output_msg, "POLL", 4); break;
      case SIGPWR: msgpack_pack_string(output_msg, "PWR", 3); break;
      case SIGSYS: msgpack_pack_string(output_msg, "SYS", 3); break;
      default: msgpack_pack_string(output_msg, "unknown", -1); break;
    } /* switch process->exit_signal */
  } /* if process was killed by a signal */

  zmq_msg_init_data(&event, buffer->data, buffer->size, free_msgpack_buffer, buffer); 
  zmq_send(pn->eventsocket, &event, 0);
  zmq_msg_close(&event);

  msgpack_packer_free(output_msg);
} /* publish_output */
예제 #3
0
void rpc_handle(rpc_io *rpcio, zmq_msg_t *request) {
  /* Parse the msgpack */
  zmq_msg_t response;
  int rc;
  msgpack_unpacked request_msg;
  msgpack_unpacked_init(&request_msg);
  rc = msgpack_unpack_next(&request_msg, zmq_msg_data(request),
                           zmq_msg_size(request), NULL);
  insist_return(rc, (void)(0), "Failed to unpack message '%.*s'",
                zmq_msg_size(request), zmq_msg_data(request));

  msgpack_object request_obj = request_msg.data;
  printf("Object: ");
  msgpack_object_print(stdout, request_obj);  /*=> ["Hello", "MessagePack"] */
  printf("\n");

  /* Find the method name */
  char *method = NULL;
  size_t method_len = -1;
  rc = obj_get(&request_obj, "request", MSGPACK_OBJECT_RAW, &method, &method_len);
  msgpack_sbuffer *buffer = msgpack_sbuffer_new();
  msgpack_packer *response_msg = msgpack_packer_new(buffer, msgpack_sbuffer_write);

  printf("Method: %.*s\n", method_len, method);

  if (rc != 0) {
    fprintf(stderr, "Message had no 'request' field. Ignoring: ");
    msgpack_object_print(stderr, request_obj);
    msgpack_pack_map(response_msg, 2);
    msgpack_pack_string(response_msg, "error", -1);
    msgpack_pack_string(response_msg, "Message had no 'request' field", -1);
    msgpack_pack_string(response_msg, "request", -1);
    msgpack_pack_object(response_msg, request_obj);
  } else {
    /* Found request */
    printf("The method is: '%.*s'\n", (int)method_len, method);

    //msgpack_pack_map(response_msg, 2);
    //msgpack_pack_string(response_msg, "results", 7);

    void *clock = zmq_stopwatch_start();
    /* TODO(sissel): Use gperf here or allow methods to register themselves */
    if (!strncmp("dance", method, method_len)) {
      api_request_dance(rpcio, &request_obj, response_msg);
    } else if (!strncmp("restart", method, method_len)) {
      api_request_restart(rpcio, &request_obj, response_msg);
    } else if (!strncmp("status", method, method_len)) {
      api_request_status(rpcio, &request_obj, response_msg);
    } else if (!strncmp("create", method, method_len)) {
      api_request_create(rpcio, &request_obj, response_msg);
    } else {
      fprintf(stderr, "Invalid request '%.*s' (unknown method): ", method_len, method);
      msgpack_object_print(stderr, request_obj);
      msgpack_pack_map(response_msg, 2);
      msgpack_pack_string(response_msg, "error", -1);
      msgpack_pack_string(response_msg, "No such method requested", -1);
      msgpack_pack_string(response_msg, "request", -1);
      msgpack_pack_object(response_msg, request_obj);
    }
    double duration = zmq_stopwatch_stop(clock) / 1000000.;

    printf("method '%.*s' took %lf seconds\n", (int)method_len, method);

    //msgpack_pack_string(response_msg, "stats", 5);
    //msgpack_pack_map(response_msg, 1),
    //msgpack_pack_string(response_msg, "duration", 8);
    //msgpack_pack_double(response_msg, duration);
  }

  zmq_msg_init_data(&response, buffer->data, buffer->size, free_msgpack_buffer, buffer); 
  zmq_send(rpcio->socket, &response, 0);
  zmq_msg_close(&response);

  //msgpack_sbuffer_free(buffer);
  msgpack_packer_free(response_msg);
  msgpack_unpacked_destroy(&request_msg);
} /* rpc_handle */
예제 #4
0
파일: server.c 프로젝트: harrylu/crabdb
static void *client_thread(void *arg) {

    ssize_t nwritten;

    pthread_detach(pthread_self());

    int client_fd = (int) (long) arg;

    int yes = 1, tcp_keepalive_probes = 3, tcp_keepalive_time = 5, tcp_keepalive_intvl = 2;
    int nodelay = 1;

    if (setsockopt(client_fd, SOL_SOCKET, SO_KEEPALIVE, &yes, sizeof(yes)) == -1) {
        log_error("setsockopt failed: %s", strerror(errno));
        close(client_fd);
        return NULL;
    }

    if (setsockopt(client_fd, SOL_TCP, TCP_KEEPCNT, &tcp_keepalive_probes, sizeof(tcp_keepalive_probes)) == -1) {
        log_error("setsockopt failed: %s", strerror(errno));
        close(client_fd);
        return NULL;
    }

    if (setsockopt(client_fd, SOL_TCP, TCP_KEEPIDLE, &tcp_keepalive_time, sizeof(tcp_keepalive_time)) == -1) {
        log_error("setsockopt failed: %s", strerror(errno));
        close(client_fd);
        return NULL;
    }

    if (setsockopt(client_fd, SOL_TCP, TCP_KEEPINTVL, &tcp_keepalive_intvl, sizeof(tcp_keepalive_intvl)) == -1) {
        log_error("setsockopt failed: %s", strerror(errno));
        close(client_fd);
        return NULL;
    }

    if (setsockopt(client_fd, IPPROTO_TCP, TCP_NODELAY, &nodelay, sizeof(nodelay)) == -1) {
        log_error("setsockopt failed: %s", strerror(errno));
        close(client_fd);
        return NULL;
    }

    size_t request_size = 8192;
    struct request *request_back = NULL;
    struct request *request = (struct request *) malloc(request_size);
    if (!request) {
        log_error("malloc failed: %s", strerror(errno));
        close(client_fd);
        return NULL;
    }

    msgpack_unpacked msg;
    msgpack_unpacked_init(&msg);

    bool enable_gzip = false;

    while (1) {

        struct response_header response_header;

        ssize_t recvsize = readn(client_fd, request, sizeof(struct request));

        if (!recvsize) {
            log_warn("peer closed connection");
            break;
        }

        if (recvsize < (ssize_t) sizeof(struct request)) {
            log_warn("error while receiving header, received %zd", recvsize);
            break;
        }

        if (request->payload_size > 256 * 1024 * 1024) {
            log_warn("payload size %"PRIu32" too large", request->payload_size);
            break;
        }

        if (sizeof(struct request) + request->payload_size > request_size) {
            request_size = sizeof(struct request) + request->payload_size;
            request_back = request;
            request = realloc(request, request_size);
            if (!request) {
                log_error("realloc failed: %s", strerror(errno));
                free(request_back);
                break;
            }
        }

        recvsize = readn(client_fd, request->payload, request->payload_size);

        if (!recvsize) {
            log_warn("peer closed connection");
            break;
        }

        if (recvsize < request->payload_size) {
            log_warn("error while receiving payload, received %zd (should be %"PRIu32")", recvsize, request->payload_size);
            break;
        }

        if (request->flags & REQUEST_FLAG_GZIP) {
            enable_gzip = true;
            uLongf destLen = 16;
            Bytef *dest = malloc(destLen);
            if (!dest) {
                log_error("malloc failed: %s", strerror(errno));
                break;
            }

            int ret;
keep_malloc:
            ret = uncompress(dest, &destLen, (Bytef *) request->payload, request->payload_size);
            if (ret == Z_BUF_ERROR) {
                destLen = destLen * 2;
                free(dest);
                dest = malloc(destLen);
                if (!dest) {
                    log_error("malloc failed: %s", strerror(errno));
                    break;
                }
                goto keep_malloc;
            }

            if (ret != Z_OK) {
                free(dest);
                break;
            }

            request->flags &= ~REQUEST_FLAG_GZIP;
            if (sizeof(struct request) + destLen > request_size) {
                request_size = sizeof(struct request) + destLen;
                request_back = request;
                request = realloc(request, request_size);
                if (!request) {
                    log_error("realloc failed: %s", strerror(errno));
                    free(request_back);
                    free(dest);
                    break;
                }
            }
            memcpy(request->payload, dest, destLen);
            request->payload_size = destLen;

            free(dest);
        }

        bool success = msgpack_unpack_next(&msg, request->payload, request->payload_size, NULL);
        if (!success) {
            log_warn("error while parsing payload");
            break;
        }

        msgpack_sbuffer* buffer = msgpack_sbuffer_new();
        msgpack_packer* pk = msgpack_packer_new(buffer, msgpack_sbuffer_write);

        response_header.seq = request->seq;

        __sync_add_and_fetch(&pending_commands, 1);
        if (server->terminated) {
            __sync_add_and_fetch(&pending_commands, -1);
            break;
        }

        if (server->redirection) {
            response_header.status = RESPONSE_STATUS_REDIRECTION;
            msgpack_pack_map(pk, 2);
            mp_pack_string(pk, "host");
            mp_pack_string(pk, server->redirection->host);
            mp_pack_string(pk, "port");
            msgpack_pack_uint16(pk, server->redirection->port);
        }
        else {
            response_header.status = execute_command(request, request->command, msg.data, pk);
        }
        __sync_add_and_fetch(&pending_commands, -1);

        msgpack_packer_free(pk);

        if (!(request->flags & REQUEST_FLAG_NO_REPLY)) {
            if (!(buffer->size > 0)) {
                response_header.payload_size = 0;
                nwritten = writen(client_fd, &response_header, sizeof(response_header));
                if (!nwritten) {
                    log_error("writen failed: %s", strerror(errno));
                    msgpack_sbuffer_free(buffer);
                    break;
                }
            }
            else {
                if (!enable_gzip) {
                    response_header.payload_size = buffer->size;
                    nwritten = writen(client_fd, &response_header, sizeof(response_header));
                    if (!nwritten) {
                        log_error("writen failed: %s", strerror(errno));
                        msgpack_sbuffer_free(buffer);
                        break;
                    }

                    nwritten = writen(client_fd, buffer->data, buffer->size);
                    if (!nwritten) {
                        log_error("writen failed: %s", strerror(errno));
                        msgpack_sbuffer_free(buffer);
                        break;
                    }
                }
                else {
                    uLongf destLen = buffer->size * 1.00101 + 13;
                    Bytef *dest = malloc(destLen);
                    if (!dest) {
                        log_error("malloc failed: %s", strerror(errno));
                        msgpack_sbuffer_free(buffer);
                        break;
                    }
                    int ret = compress(dest, &destLen, (Bytef *) buffer->data, buffer->size);

                    while (ret == Z_BUF_ERROR) {
                        destLen = destLen * 2 + 16;
                        free(dest);
                        dest = malloc(destLen);
                        if (!dest) {
                            log_error("malloc failed: %s", strerror(errno));
                            msgpack_sbuffer_free(buffer);
                            break;
                        }
                        ret = compress(dest, &destLen, (Bytef *) buffer->data, buffer->size);
                    }

                    if (ret != Z_OK) {
                        log_error("error while compressing response: %d", ret);
                        if (dest)
                            free(dest);
                        break;
                    }

                    response_header.payload_size = destLen;
                    nwritten = writen(client_fd, &response_header, sizeof(response_header));
                    if (!nwritten) {
                        log_warn("peer closed connection");
                        msgpack_sbuffer_free(buffer);
                        free(dest);
                        break;
                    }

                    if (nwritten < 0) {
                        log_error("send response header failed: %s", strerror(errno));
                        msgpack_sbuffer_free(buffer);
                        free(dest);
                        break;
                    }

                    if (nwritten < (ssize_t)sizeof(response_header)) {
                        log_warn("error while sending response header, sent %zd (should be %"PRIu64")", nwritten, sizeof(response_header));
                        msgpack_sbuffer_free(buffer);
                        free(dest);
                        break;
                    }

                    nwritten = writen(client_fd, dest, destLen);
                    if (!nwritten) {
                        log_warn("peer closed connection");
                        msgpack_sbuffer_free(buffer);
                        free(dest);
                        break;
                    }

                    if (nwritten < 0) {
                        log_error("send response failed: %s", strerror(errno));
                        msgpack_sbuffer_free(buffer);
                        free(dest);
                        break;
                    }

                    if (nwritten < (ssize_t)destLen) {
                        log_warn("error while sending response, sent %zd (should be %"PRIu64")", nwritten, destLen);
                        msgpack_sbuffer_free(buffer);
                        free(dest);
                        break;
                    }

                    free(dest);
                }
            }
        }

        msgpack_sbuffer_free(buffer);

        if (request_size > 65536) {
            request_size = 8192;
            request_back = request;
            request = realloc(request, request_size);
            if (!request) {
                log_error("realloc failed: %s", strerror(errno));
                free(request_back);
                break;
            }
        }
    }

    close(client_fd);

    free(request);
    msgpack_unpacked_destroy(&msg);

    return NULL;
}
예제 #5
0
파일: io.c 프로젝트: soedinglab/CCMpred
void write_raw_msgpack(FILE *out, conjugrad_float_t *x, int ncol, void *meta) {
	int nsingle = ncol * (N_ALPHA - 1);
	int nsingle_padded = nsingle + N_ALPHA_PAD - (nsingle % N_ALPHA_PAD);

	conjugrad_float_t *x1 = x;
	conjugrad_float_t *x2 = &x[nsingle_padded];
	(void)x2;

	msgpack_sbuffer* buffer = msgpack_sbuffer_new();
	msgpack_packer* pk = msgpack_packer_new(buffer, msgpack_sbuffer_write);

#ifdef JANSSON
	if(meta != NULL) {
		msgpack_pack_map(pk, 5);
		meta_write_msgpack(pk, (json_t *)meta);
	} else {
		msgpack_pack_map(pk, 4);
	}
#else
	msgpack_pack_map(pk, 4);
#endif

	msgpack_pack_str(pk, 6);
	msgpack_pack_str_body(pk, "format", 6);
	msgpack_pack_str(pk, 5);
	msgpack_pack_str_body(pk, "ccm-1", 5);

	msgpack_pack_str(pk, 4);
	msgpack_pack_str_body(pk, "ncol", 4);
	msgpack_pack_int32(pk, ncol);

	msgpack_pack_str(pk, 8);
	msgpack_pack_str_body(pk, "x_single", 8);
	msgpack_pack_array(pk, ncol * (N_ALPHA - 1));
	for(int i = 0; i < ncol; i++) {
		for(int a = 0; a < N_ALPHA - 1; a++) {
			#if CONJUGRAD_FLOAT == 32
				msgpack_pack_float(pk, V(i, a));
			#elif CONJUGRAD_FLOAT == 64
				msgpack_pack_double(pk, V(i, a));
			#endif
		}
	}

	msgpack_pack_str(pk, 6);
	msgpack_pack_str_body(pk, "x_pair", 6);

	int nedge = ncol * (ncol - 1) / 2;
	msgpack_pack_map(pk, nedge);

	char sbuf[8192];
	for(int i = 0; i < ncol; i++) {
		for(int j = i + 1; j < ncol; j++) {

			int nchar = snprintf(sbuf, 8192, "%d/%d", i, j);

			msgpack_pack_str(pk, nchar);
			msgpack_pack_str_body(pk, sbuf, nchar);

			msgpack_pack_map(pk, 3);
			
			msgpack_pack_str(pk, 1);
			msgpack_pack_str_body(pk, "i", 1);
			msgpack_pack_int32(pk, i);

			msgpack_pack_str(pk, 1);
			msgpack_pack_str_body(pk, "j", 1);
			msgpack_pack_int32(pk, j);

			msgpack_pack_str(pk, 1);
			msgpack_pack_str_body(pk, "x", 1);

			msgpack_pack_array(pk, N_ALPHA * N_ALPHA);
			for(int a = 0; a < N_ALPHA; a++) {
				for(int b = 0; b < N_ALPHA; b++) {
					#if CONJUGRAD_FLOAT == 32
						msgpack_pack_float(pk, W(b, j, a, i));
					#elif CONJUGRAD_FLOAT == 64
						msgpack_pack_double(pk, W(b, j, a, i));
					#endif
				}
			}
		}
	}


	fwrite(buffer->data, buffer->size, 1, out);

	msgpack_sbuffer_free(buffer);
	msgpack_packer_free(pk);
}
예제 #6
0
void rpc_service_handle(rpc_service_t *service, zmq_msg_t *request) {
  /* Parse the msgpack */
  zmq_msg_t response;
  int rc;
  msgpack_unpacked request_msg;
  msgpack_unpacked_init(&request_msg);
  rc = msgpack_unpack_next(&request_msg, zmq_msg_data(request),
                           zmq_msg_size(request), NULL);
  insist_return(rc, (void)(0), "Failed to unpack message '%.*s'",
                (int)zmq_msg_size(request), (char *)zmq_msg_data(request));

  msgpack_object request_obj = request_msg.data;

  /* Find the method name */
  char *method = NULL;
  size_t method_len = -1;
  rc = obj_get(&request_obj, "method", MSGPACK_OBJECT_RAW, &method, &method_len);

  msgpack_sbuffer *response_buffer = msgpack_sbuffer_new();
  msgpack_sbuffer *result_buffer = msgpack_sbuffer_new();
  msgpack_sbuffer *error_buffer = msgpack_sbuffer_new();

  msgpack_packer *response_msg = msgpack_packer_new(response_buffer, msgpack_sbuffer_write);
  msgpack_packer *result = msgpack_packer_new(result_buffer, msgpack_sbuffer_write);
  msgpack_packer *error = msgpack_packer_new(error_buffer, msgpack_sbuffer_write);

  //printf("Method: %.*s\n", method_len, method);

  void *clock = zmq_stopwatch_start();
  double duration;

  if (rc != 0) { /* method not found */
    msgpack_pack_nil(result); /* result is nil on error */
    msgpack_pack_map(error, 2);
    msgpack_pack_string(error, "error", -1);
    msgpack_pack_string(error, "Message had no 'method' field", -1);
    msgpack_pack_string(error, "request", -1);
    msgpack_pack_object(error, request_obj);
  } else { /* valid method, keep going */
    //printf("The method is: '%.*s'\n", (int)method_len, method);
    rpc_name name;
    name.name = method;
    name.len = method_len;

    rpc_method *rpcmethod = g_tree_lookup(service->methods, &name);

    /* if we found a valid rpc method and the args check passed ... */
    if (rpcmethod != NULL) {
      /* the callback is responsible for filling in the 'result' and 'error' 
       * objects. */
      rpcmethod->callback(NULL, &request_obj, result, error, rpcmethod->data);
    } else {
      msgpack_pack_nil(result); /* result is nil on error */

      /* TODO(sissel): allow methods to register themselves */
      //fprintf(stderr, "Invalid request '%.*s' (unknown method): ",
              //method_len, method);
      //msgpack_object_print(stderr, request_obj);
      //fprintf(stderr, "\n");

      msgpack_pack_map(error, 2);
      msgpack_pack_string(error, "error", -1);
      msgpack_pack_string(error, "No such method requested", -1);
      msgpack_pack_string(error, "request", -1);
      msgpack_pack_object(error, request_obj);
    }
  } /* valid/invalid method handling */

  duration = zmq_stopwatch_stop(clock) / 1000000.;
  //printf("method '%.*s' took %lf seconds\n", (int)method_len, method);

  msgpack_unpacked result_unpacked;
  msgpack_unpacked error_unpacked;
  msgpack_unpacked response_unpacked;
  msgpack_unpacked_init(&result_unpacked);
  msgpack_unpacked_init(&error_unpacked);
  msgpack_unpacked_init(&response_unpacked);

  /* TODO(sissel): If this unpack test fails, we should return an error to the calling
   * client indicating that some internal error has occurred */
  //fprintf(stderr, "Result payload: '%.*s'\n", result_buffer->size,
  //result_buffer->data);
  rc = msgpack_unpack_next(&result_unpacked, result_buffer->data,
                           result_buffer->size, NULL);
  insist(rc == true, "msgpack_unpack_next failed on 'result' buffer"
         " of request '%.*s'", (int)method_len, method);
  rc = msgpack_unpack_next(&error_unpacked, error_buffer->data,
                           error_buffer->size, NULL);
  insist(rc == true, "msgpack_unpack_next failed on 'error' buffer"
         " of request '%.*s'", (int)method_len, method);

  msgpack_pack_map(response_msg, 3); /* result, error, duration */
  msgpack_pack_string(response_msg, "result", 6);
  msgpack_pack_object(response_msg, result_unpacked.data);
  msgpack_pack_string(response_msg, "error", 5);
  msgpack_pack_object(response_msg, error_unpacked.data);
  msgpack_pack_string(response_msg, "duration", 8);
  msgpack_pack_double(response_msg, duration);

  rc = msgpack_unpack_next(&response_unpacked, response_buffer->data,
                           response_buffer->size, NULL);
  insist(rc == true, "msgpack_unpack_next failed on full response buffer"
         " of request '%.*s'", (int)method_len, method);

  //printf("request: ");
  //msgpack_object_print(stdout, request_obj);
  //printf("\n");
  //printf("response: ");
  //msgpack_object_print(stdout, response_unpacked.data);
  //printf("\n");

  zmq_msg_init_data(&response, response_buffer->data, response_buffer->size,
                    free_msgpack_buffer, response_buffer);
  zmq_send(service->socket, &response, 0);
  zmq_msg_close(&response);

  msgpack_packer_free(error);
  msgpack_packer_free(result);
  msgpack_sbuffer_free(error_buffer);
  msgpack_sbuffer_free(result_buffer);
  msgpack_packer_free(response_msg);
  msgpack_unpacked_destroy(&request_msg);
} /* rpc_service_handle */
예제 #7
0
파일: main.c 프로젝트: Aerobota/PenguPilot
int _main(void)
{
   THROW_BEGIN()

   /* init scl and get sockets:: */
   THROW_ON_ERR(scl_init("arduino"));
   void *rc_socket = scl_get_socket("rc_raw");
   THROW_IF(rc_socket == NULL, -ENODEV);
   void *power_socket = scl_get_socket("power");
   THROW_IF(power_socket == NULL, -ENODEV);

   /* allocate msgpack buffers: */
   msgpack_sbuffer *msgpack_buf = msgpack_sbuffer_new();
   THROW_IF(msgpack_buf == NULL, -ENOMEM);
   msgpack_packer *pk = msgpack_packer_new(msgpack_buf, msgpack_sbuffer_write);
   THROW_IF(pk == NULL, -ENOMEM);
 
   /* fetch parameters: */
   char *dev_path;
   tsint_t dev_speed;
   opcd_params_init("exynos_quad.arduino_serial.", 0);
   opcd_param_t params[] =
   {
      {"path", &dev_path},
      {"speed", &dev_speed},
      OPCD_PARAMS_END
   };
   opcd_params_apply("", params);
   
   /* opern serial port: */
   serialport_t port;
   THROW_ON_ERR(serial_open(&port, dev_path, tsint_get(&dev_speed), O_RDONLY, 0));

   uint16_t channels_raw[PPM_CHAN_MAX];
   uint32_t voltage_raw, current_raw;
   float channels[CHANNELS_MAX];
   memset(channels, 0, sizeof(channels));

   while (running)
   {
      int c = serial_read_char(&port);
      if (c < 0)
         msleep(1);
      
      /* parse channels: */
      int status = ppm_parse_frame(channels_raw, (uint8_t)(c));
      if (status)
      {
         int sig_valid = 0;
         int invalid_count = 0;
         FOR_N(i, PPM_CHAN_MAX)
         {
            uint16_t chan_in = channels_raw[i];
            if (chan_in >= PPM_VALUE_INVALID)
               invalid_count++;
            if (chan_in > PPM_VALUE_MAX)
               chan_in = PPM_VALUE_MAX;
            if (chan_in < PPM_VALUE_MIN)
               chan_in = PPM_VALUE_MIN;
            channels[i] = (float)(chan_in - PPM_VALUE_MIN) / (PPM_VALUE_MAX - PPM_VALUE_MIN) * 2.f - 1.f;
         }
         sig_valid = (invalid_count < (PPM_CHAN_MAX / 3));
         
         /* send channels: */
         msgpack_sbuffer_clear(msgpack_buf);
         msgpack_pack_array(pk, 1 + CHANNELS_MAX);
         PACKI(sig_valid);               /* index 0: valid */
         PACKFV(channels, CHANNELS_MAX); /* index 1, .. : channels */
         scl_copy_send_dynamic(rc_socket, msgpack_buf->data, msgpack_buf->size);
      }

      /* parse adc voltage/current: */
      status = power_parse_frame(&voltage_raw, &current_raw, (uint8_t)(c));
      if (status)
      {
         float voltage = (float)(voltage_raw) / 1000.0;
         float current = (float)(current_raw) / 1000.0;
         
         /* send voltage / current: */
         msgpack_sbuffer_clear(msgpack_buf);
         msgpack_pack_array(pk, 2);
         PACKF(voltage); /* index 0 */
         PACKF(current); /* index 1 */
	      scl_copy_send_dynamic(power_socket, msgpack_buf->data, msgpack_buf->size);
      }
   }
예제 #8
0
파일: session.c 프로젝트: noikiy/bscope
void session_report(struct session * s, char type){
    if(s->need_report==0){
        return;
    }
    s->need_report = 0;

    struct msg_report rp;
    rp.buffer = msgpack_sbuffer_new();
    rp.pk = msgpack_packer_new(rp.buffer, msgpack_sbuffer_write);
    rp.count = 0;

// 15 < keys < 65535
// https://github.com/msgpack/msgpack/blob/master/spec.md#formats-map
// +--------+--------+--------+~~~~~~~~~~~~~~~~~+
// |  0xde  |YYYYYYYY|YYYYYYYY|   N*2 objects   |
// +--------+--------+--------+~~~~~~~~~~~~~~~~~+
    msgpack_pack_map(rp.pk, 20);
    report_add_pair(&rp, "@class", "http-scope");
    report_add_pair_int(&rp, "@time", s->start_time);
    report_add_pair(&rp, "method", http_method_str(s->method));
    report_add_pair(&rp, "host", s->host);
    report_add_pair(&rp, "host", s->host);
    report_add_pair(&rp, "path", s->path);
    report_add_pair(&rp, "node", config.node);
    report_add_pair_int(&rp, "code", s->status_code);
    //print_data(rp.buffer->data, rp.buffer->size);
    report_add_pair(&rp, "server", int_ntoa(s->tcp->addr.daddr));
    report_add_pair_int(&rp, "server-port", s->tcp->addr.dest);
    report_add_pair(&rp, "client", int_ntoa(s->tcp->addr.saddr));

    // report_add_pair_int(&rp, "loat_packet", s->lost_packets);
    // report_add_pair_int(&rp, "total_packets", s->packets);
// /*    report_add_packet_int(&rp, "packets", "%d/%d",s->lost_packets, s->packets);*/

    report_add_pair(&rp, "status", close_status(type));
    report_add_pair_int(&rp, "req-bytes", s->tcp->server.count);
    report_add_pair_int(&rp, "rep-bytes", s->tcp->client.count);
    report_add_pair_float(&rp, "net-req-time", s->req_time/1000000.0);
    report_add_pair_float(&rp, "server-time", s->server_time/1000000.0);
    report_add_pair_float(&rp, "net-rep-time", s->rep_time/1000000.0);
    if(s->referer){
        report_add_pair(&rp, "referer", s->referer);
        char * referer_host = strstr(s->referer, "//");
        if(referer_host){
            referer_host+=2;
            char *p = strstr(referer_host, "/");
            if(p) *p = 0;
            report_add_pair(&rp, "referer-host", referer_host);
        }
    }
    struct kv *p = s->proplist;
    while(p){
        urldecode(p->value);
        report_add_pair(&rp, kv_type_string(p->type, p->key), p->value);
        p = p->next;
    }

    if(s->is_catch_response_body && s->response_body_size<65535){
        report_add_pair_int(&rp, "body-captured-size", s->response_body_size);
        report_add_key(&rp, "body-captured");

        msgpack_pack_raw(rp.pk, s->response_body_size);
        struct body_buf *b = s->response_body_first;
        int size_pushed = 0;
        while(b){
            msgpack_pack_raw_body(rp.pk, b->data, b->size);
            size_pushed += b->size;
            b = b->next;
        }
    }

    //print_data(rp.buffer->data, rp.buffer->size);
    char *cp = rp.buffer->data;
    cp = cp + 1;
    *cp = rp.count >> 8;
    cp = cp + 1;
    *cp = rp.count % 256;

    //printf("rp.buffer->size=%d\n", rp.count);

    rp.routing_key = malloc(ROUTING_KEY_BUF_SIZE);
    bzero(rp.routing_key, ROUTING_KEY_BUF_SIZE);
    snprintf(rp.routing_key, ROUTING_KEY_BUF_SIZE,
        "http-scope.%s.%dxx.%d", s->host, s->status_code / 100 ,s->status_code);

    send_report(&rp);

    //print_data(rp.buffer->data, rp.buffer->size);
    free(rp.routing_key);

    msgpack_sbuffer_free(rp.buffer);
    msgpack_packer_free(rp.pk);
    session_log(s);
    session_clean(s);
    session_start(s);
}
예제 #9
0
TEST(streaming, basic)
{
    msgpack_sbuffer* buffer = msgpack_sbuffer_new();

    msgpack_packer* pk = msgpack_packer_new(buffer, msgpack_sbuffer_write);

    // 1, 2, 3, "str", ["str_data"], "bin", ["bin_data"], {0.3: 0.4}
    EXPECT_EQ(0, msgpack_pack_int(pk, 1));
    EXPECT_EQ(0, msgpack_pack_int(pk, 2));
    EXPECT_EQ(0, msgpack_pack_int(pk, 3));
    EXPECT_EQ(0, msgpack_pack_str(pk, 3));
    EXPECT_EQ(0, msgpack_pack_str_body(pk, "str", 3));
    EXPECT_EQ(0, msgpack_pack_array(pk, 1));
    EXPECT_EQ(0, msgpack_pack_str(pk, 8));
    EXPECT_EQ(0, msgpack_pack_str_body(pk, "str_data", 8));
    EXPECT_EQ(0, msgpack_pack_bin(pk, 3));
    EXPECT_EQ(0, msgpack_pack_bin_body(pk, "bin", 3));
    EXPECT_EQ(0, msgpack_pack_array(pk, 1));
    EXPECT_EQ(0, msgpack_pack_bin(pk, 8));
    EXPECT_EQ(0, msgpack_pack_bin_body(pk, "bin_data", 8));
    EXPECT_EQ(0, msgpack_pack_map(pk, 1));
    EXPECT_EQ(0, msgpack_pack_float(pk, 0.4f));
    EXPECT_EQ(0, msgpack_pack_double(pk, 0.8));
    int max_count = 6;

    msgpack_packer_free(pk);

    const char* input = buffer->data;
    const char* const eof = input + buffer->size;

    msgpack_unpacker pac;
    msgpack_unpacker_init(&pac, MSGPACK_UNPACKER_INIT_BUFFER_SIZE);

    msgpack_unpacked result;
    msgpack_unpacked_init(&result);

    int count = 0;
    while(count < max_count) {
        bool unpacked = false;

        msgpack_unpacker_reserve_buffer(&pac, 32*1024);

        while(!unpacked) {
            /* read buffer into msgpack_unapcker_buffer(&pac) upto
             * msgpack_unpacker_buffer_capacity(&pac) bytes. */
            memcpy(msgpack_unpacker_buffer(&pac), input, 1);
            input += 1;

            EXPECT_TRUE(input <= eof);

            msgpack_unpacker_buffer_consumed(&pac, 1);

            while(msgpack_unpacker_next(&pac, &result) == MSGPACK_UNPACK_SUCCESS) {
                unpacked = 1;
                msgpack_object obj = result.data;
                msgpack_object e;
                switch(count++) {
                case 0:
                    EXPECT_EQ(MSGPACK_OBJECT_POSITIVE_INTEGER, obj.type);
                    EXPECT_EQ(1, obj.via.u64);
                    break;
                case 1:
                    EXPECT_EQ(MSGPACK_OBJECT_POSITIVE_INTEGER, obj.type);
                    EXPECT_EQ(2, obj.via.u64);
                    break;
                case 2:
                    EXPECT_EQ(MSGPACK_OBJECT_POSITIVE_INTEGER, obj.type);
                    EXPECT_EQ(3, obj.via.u64);
                    break;
                case 3:
                    EXPECT_EQ(MSGPACK_OBJECT_STR, obj.type);
                    EXPECT_EQ(std::string("str",3), std::string(obj.via.str.ptr, obj.via.str.size));
                    break;
                case 4:
                    EXPECT_EQ(MSGPACK_OBJECT_ARRAY, obj.type);
                    EXPECT_EQ(1, obj.via.array.size);
                    e = obj.via.array.ptr[0];
                    EXPECT_EQ(MSGPACK_OBJECT_STR, e.type);
                    EXPECT_EQ(std::string("str_data",8), std::string(e.via.str.ptr, e.via.str.size));
                    break;
                case 5:
                    EXPECT_EQ(MSGPACK_OBJECT_BIN, obj.type);
                    EXPECT_EQ(std::string("bin",3), std::string(obj.via.bin.ptr, obj.via.bin.size));
                    break;
                case 6:
                    EXPECT_EQ(MSGPACK_OBJECT_ARRAY, obj.type);
                    EXPECT_EQ(1, obj.via.array.size);
                    e = obj.via.array.ptr[0];
                    EXPECT_EQ(MSGPACK_OBJECT_BIN, e.type);
                    EXPECT_EQ(std::string("bin_data",8), std::string(e.via.bin.ptr, e.via.bin.size));
                    break;
                case 7:
                    EXPECT_EQ(MSGPACK_OBJECT_MAP, obj.type);
                    EXPECT_EQ(1, obj.via.map.size);
                    e = obj.via.map.ptr[0].key;
                    EXPECT_EQ(MSGPACK_OBJECT_FLOAT, e.type);
                    ASSERT_FLOAT_EQ(0.4f, static_cast<float>(e.via.f64));
#if defined(MSGPACK_USE_LEGACY_NAME_AS_FLOAT)
                    EXPECT_EQ(MSGPACK_OBJECT_DOUBLE, e.type);
                    ASSERT_FLOAT_EQ(0.4f, static_cast<float>(e.via.dec));
#endif // MSGPACK_USE_LEGACY_NAME_AS_FLOAT
                    e = obj.via.map.ptr[0].val;
                    EXPECT_EQ(MSGPACK_OBJECT_FLOAT, e.type);
                    ASSERT_DOUBLE_EQ(0.8, e.via.f64);
#if defined(MSGPACK_USE_LEGACY_NAME_AS_FLOAT)
                    EXPECT_EQ(MSGPACK_OBJECT_DOUBLE, e.type);
                    ASSERT_DOUBLE_EQ(0.8, e.via.dec);
#endif // MSGPACK_USE_LEGACY_NAME_AS_FLOAT
                    break;
                }
            }
        }
    }

    msgpack_unpacker_destroy(&pac);
    msgpack_unpacked_destroy(&result);
    msgpack_sbuffer_free(buffer);
}