/* check command line opts and config file to set server_port global */
static int init_server_port(void)
{
int port;
/* no port given on command line */
if (cport == NULL) {
/* get default or config file port */
GKeyFile *config = fsa_get_config();
port = fsa_get_admind_port(config);
fsa_config_free(config);
if (port == -1) {
if (errno == ADM_ERR_BAD_CONFIG) {
fprintf(
stderr,
"%s: non-numeric port specified in %s",
program_invocation_short_name, fs_get_config_file()
);
}
else if (errno == ERANGE) {
fprintf(
stderr,
"%s: port number out of range 0-65535 in %s",
program_invocation_short_name, fs_get_config_file()
);
}
else {
fprintf(
stderr,
"%s: unknown error reading port from config file at %s\n",
program_invocation_short_name, fs_get_config_file()
);
}
return -1;
}
}
else {
/* cport has been specified on command line */
if (!fsa_is_int(cport)) {
fprintf(stderr, "%s: non-numeric port specified on command line\n",
program_invocation_short_name);
return -1;
}
port = atoi(cport);
if (port < 0 || port > 65535) {
fprintf(stderr, "%s: port number %d out of range 0-65535\n",
program_invocation_short_name, port);
return -1;
}
}
/* have a port 0-65535 if we got here */
sprintf(server_port, "%d", port);
return 0;
}
/* convenience function to avoid code duplication */
static fsa_node_addr *get_nodes_from_cmd_line(void)
{
fsa_node_addr *nodes = NULL;
if (args_index < 0) {
/* no arguments, so get all nodes */
nodes = get_storage_nodes();
}
else {
/* optional host name or node number is given, use single node */
char *host_or_nodenum = argv[args_index];
args_index += 1;
if (args_index != argc) {
/* shouldn't be any args after this one */
print_invalid_arg();
return NULL;
}
/* check whether we have a hostname or a node number */
if (fsa_is_int(host_or_nodenum)) {
/* get host by number, starting from 0 */
int node_num = atoi(host_or_nodenum);
nodes = node_num_to_node_addr(node_num);
if (nodes == NULL) {
fsa_error(LOG_ERR, "Node number '%d' not found in config\n",
node_num);
return NULL;
}
}
else {
/* get host by name */
nodes = node_name_to_node_addr(host_or_nodenum);
if (nodes == NULL) {
fsa_error(LOG_ERR,
"Node with name '%s' not found in config\n",
host_or_nodenum);
return NULL;
}
}
}
return nodes;
}
/* Get a port number to run or query admind on */
int fsa_get_admind_port(GKeyFile *config_file)
{
/* if no config file, use default port */
if (config_file == NULL) {
return FS_ADMIND_PORT;
}
char *cport;
int port;
GError *err = NULL;
cport = g_key_file_get_value(config_file, "4s-boss", "port", &err);
/* if field not set in config, use default port */
if (cport == NULL) {
g_error_free(err);
return FS_ADMIND_PORT;
}
/* if non-int value given in config file */
if (!fsa_is_int(cport)) {
free(cport);
errno = ADM_ERR_BAD_CONFIG;
return -1;
}
port = atoi(cport);
free(cport);
/* if value in config is out of range */
if (port < 0 || port > 65535) {
errno = ERANGE;
return -1;
}
return port;
}
