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e2d327e599
in the configuration file. git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@915 fd59a12c-fef9-0310-b244-a6a79926bd2f
337 lines
9.0 KiB
C
337 lines
9.0 KiB
C
/*
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* Copyright (c) 2002-2005 MontaVista Software, Inc.
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*
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* All rights reserved.
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*
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* Author: Steven Dake (sdake@mvista.com)
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*
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* This software licensed under BSD license, the text of which follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the MontaVista Software, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <assert.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "../include/saAis.h"
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#include "../include/list.h"
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#include "util.h"
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#include "mainconfig.h"
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#include "mempool.h"
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#include "print.h"
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#include "totem.h"
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DECLARE_LIST_INIT (saAmfGroupHead);
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static char error_string_response[512];
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typedef enum {
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MAIN_HEAD,
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MAIN_LOGGING,
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MAIN_EVENT,
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MAIN_AMF,
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MAIN_COMPONENTS
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} main_parse_t;
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char *strstr_rs (const char *haystack, const char *needle)
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{
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char *end_address;
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char *new_needle;
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new_needle = (char *)mempool_strdup (needle);
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new_needle[strlen(new_needle) - 1] = '\0';
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end_address = strstr (haystack, new_needle);
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if (end_address) {
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end_address += strlen (new_needle);
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end_address = strstr (end_address, needle + strlen (new_needle));
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}
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if (end_address) {
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end_address += 1; /* skip past { or = */
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do {
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if (*end_address == '\t' || *end_address == ' ') {
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end_address++;
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} else {
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break;
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}
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} while (*end_address != '\0');
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}
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mempool_free (new_needle);
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return (end_address);
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}
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#ifdef BUILD_DYNAMIC
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static void set_default_services(struct openais_config *config)
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{
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config->dynamic_services[0].name = "openais_evs";
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config->dynamic_services[0].ver = 0;
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config->dynamic_services[1].name = "openais_clm";
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config->dynamic_services[1].ver = 0;
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config->dynamic_services[2].name = "openais_amf";
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config->dynamic_services[2].ver = 0;
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config->dynamic_services[3].name = "openais_ckpt";
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config->dynamic_services[3].ver = 0;
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config->dynamic_services[4].name = "openais_evt";
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config->dynamic_services[4].ver = 0;
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config->dynamic_services[5].name = "openais_lck";
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config->dynamic_services[5].ver = 0;
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config->dynamic_services[6].name = "openais_msg";
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config->dynamic_services[6].ver = 0;
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config->dynamic_services[7].name = "openais_cfg";
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config->dynamic_services[7].ver = 0;
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config->num_dynamic_services = 8;
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}
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/* Returns an allocated string */
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static char *get_component(const char *line, int *version)
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{
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char *start_address;
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char *end_address;
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char *newline;
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char *compname;
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newline = strdup(line);
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start_address = newline + strspn(newline, " \t");
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end_address = start_address + strcspn(start_address, " \t:");
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*end_address = '\0';
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compname = strdup(start_address);
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/* Now get version */
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start_address = end_address+1;
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start_address = start_address + strspn(start_address, " \t:");
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*version = atoi(start_address);
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free(newline);
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return compname;
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}
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#endif
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extern int openais_main_config_read (char **error_string,
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struct openais_config *openais_config,
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int interface_max)
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{
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FILE *fp;
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int line_number = 0;
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main_parse_t parse = MAIN_HEAD;
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int logging_parsed = 0;
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int event_parsed = 0;
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int amf_parsed = 0;
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int components_parsed = 0;
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char *loc;
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int i;
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int parse_done = 0;
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char line[512];
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char *error_reason = error_string_response;
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memset (openais_config, 0, sizeof (struct openais_config));
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fp = fopen ("/etc/ais/openais.conf", "r");
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if (fp == 0) {
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parse_done = 1;
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sprintf (error_reason, "Can't read file reason = (%s)\n", strerror (errno));
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*error_string = error_reason;
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return -1;
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}
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while (fgets (line, 255, fp)) {
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line_number += 1;
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line[strlen(line) - 1] = '\0';
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/*
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* Clear out white space and tabs
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*/
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for (i = strlen (line) - 1; i > -1; i--) {
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if (line[i] == '\t' || line[i] == ' ') {
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line[i] = '\0';
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} else {
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break;
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}
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}
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/*
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* Clear out comments and empty lines
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*/
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if (line[0] == '#' || line[0] == '\0') {
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continue;
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}
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line_number += 1;
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switch (parse) {
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case MAIN_HEAD:
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if (logging_parsed == 0 && strstr_rs (line, "logging{")) {
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logging_parsed = 1;
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parse = MAIN_LOGGING;
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} else
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if (event_parsed == 0 && strstr_rs (line, "event{")) {
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event_parsed = 1;
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parse = MAIN_EVENT;
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} else
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if (amf_parsed == 0 && strstr_rs (line, "amf{")) {
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amf_parsed = 1;
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parse = MAIN_AMF;
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} else
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if (components_parsed == 0 && strstr_rs (line, "components{")) {
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components_parsed = 1;
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parse = MAIN_COMPONENTS;
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} else {
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continue;
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}
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break;
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case MAIN_LOGGING:
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if ((loc = strstr_rs (line, "logoutput:"))) {
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if (strcmp (loc, "file") == 0) {
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openais_config->logmode |= LOG_MODE_FILE;
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} else
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if (strcmp (loc, "syslog") == 0) {
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openais_config->logmode |= LOG_MODE_SYSLOG;
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} else
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if (strcmp (loc, "stderr") == 0) {
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openais_config->logmode |= LOG_MODE_STDERR;
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} else {
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goto parse_error;
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}
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} else
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if ((loc = strstr_rs (line, "debug:"))) {
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if (strcmp (loc, "on") == 0) {
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openais_config->logmode |= LOG_MODE_DEBUG;
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} else
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if (strcmp (loc, "off") == 0) {
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openais_config->logmode &= ~LOG_MODE_DEBUG;
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} else {
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goto parse_error;
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}
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} else
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if ((loc = strstr_rs (line, "timestamp:"))) {
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if (strcmp (loc, "on") == 0) {
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openais_config->logmode |= LOG_MODE_TIMESTAMP;
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} else
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if (strcmp (loc, "off") == 0) {
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openais_config->logmode &= ~LOG_MODE_TIMESTAMP;
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} else {
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goto parse_error;
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}
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} else
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if ((loc = strstr_rs (line, "logfile:"))) {
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openais_config->logfile = strdup (loc);
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} else
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if ((loc = strstr_rs (line, "}"))) {
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parse = MAIN_HEAD;
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} else {
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goto parse_error;
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}
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break;
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case MAIN_EVENT:
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if ((loc = strstr_rs (line, "delivery_queue_size:"))) {
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openais_config->evt_delivery_queue_size = atoi(loc);
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} else if ((loc = strstr_rs (line, "delivery_queue_resume:"))) {
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openais_config->evt_delivery_queue_resume = atoi(loc);
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} else if ((loc = strstr_rs (line, "}"))) {
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parse = MAIN_HEAD;
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} else {
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goto parse_error;
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}
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break;
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case MAIN_AMF:
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if ((loc = strstr_rs (line, "mode:"))) {
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if (strcmp (loc, "enabled") == 0) {
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openais_config->amf_enabled = 1;
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} else
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if (strcmp (loc, "disabled") == 0) {
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openais_config->amf_enabled = 0;
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} else {
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goto parse_error;
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}
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} else
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if ((loc = strstr_rs (line, "}"))) {
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parse = MAIN_HEAD;
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} else {
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goto parse_error;
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}
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break;
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case MAIN_COMPONENTS:
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if ((loc = strstr_rs (line, "}"))) {
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parse = MAIN_HEAD;
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}
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#ifdef BUILD_DYNAMIC
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else {
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int version;
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char *name = get_component(line, &version);
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if (name) {
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openais_config->dynamic_services[openais_config->num_dynamic_services].name = name;
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openais_config->dynamic_services[openais_config->num_dynamic_services].ver = version;
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openais_config->num_dynamic_services++;
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}
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}
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#endif
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break;
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default:
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assert (0 == 1); /* SHOULDN'T HAPPEN */
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break;
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}
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}
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if ((openais_config->logmode & LOG_MODE_FILE) && openais_config->logfile == 0) {
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error_reason = "logmode set to 'file' but no logfile specified";
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goto parse_error;
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}
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#ifdef BUILD_DYNAMIC
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/* Load default services if the config file doesn't specify */
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if (!openais_config->num_dynamic_services) {
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set_default_services(openais_config);
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}
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#endif
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if (parse == MAIN_HEAD) {
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fclose (fp);
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return (0);
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} else {
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error_reason = "Missing closing brace";
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goto parse_error;
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}
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parse_error:
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if (parse_done) {
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sprintf (error_string_response,
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"parse error in /etc/ais/openais.conf: %s.\n", error_reason);
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} else {
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sprintf (error_string_response,
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"parse error in /etc/ais/openais.conf: %s (line %d).\n",
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error_reason, line_number);
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}
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*error_string = error_string_response;
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fclose (fp);
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return (-1);
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}
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