indigo_error_t
ind_cxn_cfg_stage(cJSON *config)
{
indigo_error_t err;
int i;
err = ind_cfg_parse_loglevel(config, "logging.connection",
OFCONNECTIONMANAGER_CONFIG_LOG_BITS_DEFAULT,
&staged_config.log_flags);
if (err != INDIGO_ERROR_NONE) {
return err;
}
/* Not supporting setting log options yet */
err = ind_cfg_lookup_int(config, "keepalive_period_ms", &staged_config.keepalive_period_ms);
if (err == INDIGO_ERROR_NONE) {
if (staged_config.keepalive_period_ms <= 0) {
AIM_LOG_ERROR("'keepalive_period_ms' must be greater than 0");
return INDIGO_ERROR_PARAM;
}
} else if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: Could not parse 'keepalive_period_ms'");
return err;
} else if (err == INDIGO_ERROR_NOT_FOUND) {
AIM_LOG_ERROR("Config: Mising required key 'keepalive_period_ms'");
return err;
}
err = parse_controllers(config);
if (err != INDIGO_ERROR_NONE) {
return err;
}
for (i = 0; i < staged_config.num_controllers; i++) {
/* @FIXME local? listen? priority? */
staged_config.controllers[i].config.periodic_echo_ms = staged_config.keepalive_period_ms;
staged_config.controllers[i].config.reset_echo_count = 3; /* @FIXME */
}
return INDIGO_ERROR_NONE;
}
indigo_error_t
ind_cxn_cfg_stage(cJSON *config)
{
indigo_error_t err;
err = ind_cfg_parse_loglevel(config, "logging.connection",
OFCONNECTIONMANAGER_CONFIG_LOG_BITS_DEFAULT,
&staged_config.log_flags);
if (err != INDIGO_ERROR_NONE) {
return err;
}
/* Not supporting setting log options yet */
err = ind_cfg_lookup_int(config, "keepalive_period_ms", &staged_config.keepalive_period_ms);
if (err == INDIGO_ERROR_NONE) {
if (staged_config.keepalive_period_ms <= 0) {
AIM_LOG_ERROR("'keepalive_period_ms' must be greater than 0");
return INDIGO_ERROR_PARAM;
}
} else if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: Could not parse 'keepalive_period_ms'");
return err;
} else if (err == INDIGO_ERROR_NOT_FOUND) {
AIM_LOG_ERROR("Config: Missing required key 'keepalive_period_ms'");
return err;
}
err = parse_controllers(config);
if (err != INDIGO_ERROR_NONE) {
return err;
}
/* verify TLS parameters */
/*
* for now, we should be able to accept:
* - TLS config with switch cert and key specified,
* cipher_list and CA cert optional
* - if cipher_list is specified, it should be valid
* - if CA cert is specified, it should be consistent with switch cert
* - TLS config with parameters specified, but
* CA cert, switch cert and switch priv key files not present
*/
{
cJSON *node = cJSON_GetObjectItem(config, "tls");
if (node) {
if (node->type != cJSON_Object) {
AIM_LOG_ERROR("Config: expected tls to be an object");
return INDIGO_ERROR_PARAM;
}
err = parse_tls_config(node);
if (err != INDIGO_ERROR_NONE) {
AIM_LOG_ERROR("Config: error parsing TLS config: %s",
indigo_strerror(err));
return err;
}
} else {
AIM_LOG_VERBOSE("Config: TLS config not found, continuing");
}
}
staged_config.valid = true;
return INDIGO_ERROR_NONE;
}
/* Parse a controller string like "tcp:127.0.0.1:6633". */
static indigo_error_t
parse_controller(struct controller *controller, cJSON *root)
{
indigo_cxn_params_tcp_over_ipv4_t *proto;
char *proto_str, *ip;
int port;
int listen;
int prio;
indigo_error_t err;
err = ind_cfg_lookup_string(root, "ip_addr", &ip);
if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'ip_addr' must be a string");
} else if (err == INDIGO_ERROR_NOT_FOUND) {
AIM_LOG_ERROR("Config: Missing 'ip_addr' in controller spec");
}
return err;
}
err = ind_cfg_lookup_string(root, "protocol", &proto_str);
if (err == INDIGO_ERROR_NOT_FOUND) {
/* Allow default protocol value */
proto_str = "tcp";
} else if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'protocol' must be a string");
}
return err;
}
/* @TODO support more protocol types */
if (strcmp(proto_str, "tcp")) {
AIM_LOG_ERROR("Config: Invalid controller protocol: %s", proto_str);
return INDIGO_ERROR_PARAM;
}
err = ind_cfg_lookup_int(root, "port", &port);
if (err == INDIGO_ERROR_NOT_FOUND) {
/* Allow default protocol value */
port = 6633;
} else if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'port' must be an integer");
}
return err;
}
if (port < 0 || port >= 0xffff) {
AIM_LOG_ERROR("Config: Invalid controller port: %d", port);
return INDIGO_ERROR_PARAM;
}
err = ind_cfg_lookup_bool(root, "listen", &listen);
if (err == INDIGO_ERROR_NOT_FOUND) {
listen = 0;
} else if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'listen' must be a boolean");
}
return err;
}
err = ind_cfg_lookup_int(root, "priority", &prio);
if (err == INDIGO_ERROR_NOT_FOUND) {
prio = 0;
} else if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'priority' must be an integer");
}
return err;
}
/* TODO validate IP */
proto = &controller->proto.tcp_over_ipv4;
proto->protocol = INDIGO_CXN_PROTO_TCP_OVER_IPV4;
strncpy(proto->controller_ip, ip, sizeof(proto->controller_ip));
proto->controller_port = port;
controller->config.listen = listen;
controller->config.cxn_priority = prio;
controller->config.local = 0;
controller->config.version = OFCONNECTIONMANAGER_CONFIG_OF_VERSION;
return INDIGO_ERROR_NONE;
}
/* Parse a controller string like "tcp:127.0.0.1:6633". */
static indigo_error_t
parse_controller(struct controller *controller, cJSON *root)
{
indigo_cxn_protocol_t proto;
indigo_cxn_params_tcp_over_ipv4_t *params4;
indigo_cxn_params_tcp_over_ipv6_t *params6;
indigo_cxn_params_unix_t *params_unix;
char *proto_str = NULL, *ip = NULL, *unix_path = NULL;
int port;
int listen;
int local;
int prio;
indigo_error_t err;
err = ind_cfg_lookup_string(root, "protocol", &proto_str);
if (err == INDIGO_ERROR_NOT_FOUND) {
/* Allow default protocol value */
proto_str = "tcp";
} else if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'protocol' must be a string");
}
return err;
}
if (strcmp(proto_str, "tcp") == 0) {
proto = INDIGO_CXN_PROTO_TCP_OVER_IPV4;
} else if (strcmp(proto_str, "tcp6") == 0) {
proto = INDIGO_CXN_PROTO_TCP_OVER_IPV6;
} else if (strcmp(proto_str, "tls") == 0) {
proto = INDIGO_CXN_PROTO_TLS_OVER_IPV4;
} else if (strcmp(proto_str, "tls6") == 0) {
proto = INDIGO_CXN_PROTO_TLS_OVER_IPV6;
} else if (strcmp(proto_str, "unix") == 0) {
proto = INDIGO_CXN_PROTO_UNIX;
} else {
AIM_LOG_ERROR("Config: Invalid controller protocol: %s", proto_str);
return INDIGO_ERROR_PARAM;
}
switch(proto) {
case INDIGO_CXN_PROTO_TCP_OVER_IPV4: /* fall-through */
case INDIGO_CXN_PROTO_TCP_OVER_IPV6: /* fall-through */
case INDIGO_CXN_PROTO_TLS_OVER_IPV4: /* fall-through */
case INDIGO_CXN_PROTO_TLS_OVER_IPV6:
err = ind_cfg_lookup_string(root, "ip_addr", &ip);
if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'ip_addr' must be a string");
} else if (err == INDIGO_ERROR_NOT_FOUND) {
AIM_LOG_ERROR("Config: Missing 'ip_addr' in controller spec");
}
return err;
}
/*
* WARNING: no validity checks for IP address.
* Instead, they are performed by the cli front-end.
*/
err = ind_cfg_lookup_int(root, "port", &port);
if (err == INDIGO_ERROR_NOT_FOUND) {
/* Allow default protocol value */
port = 6633;
} else if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'port' must be an integer");
}
return err;
}
if (port < 0 || port >= 0xffff) {
AIM_LOG_ERROR("Config: Invalid controller port: %d", port);
return INDIGO_ERROR_PARAM;
}
break;
case INDIGO_CXN_PROTO_UNIX:
err = ind_cfg_lookup_string(root, "unix_path", &unix_path);
if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'unix_path' must be a string");
} else if (err == INDIGO_ERROR_NOT_FOUND) {
AIM_LOG_ERROR("Config: Missing 'unix_path' in controller spec");
}
return err;
}
break;
default:
AIM_DIE("Config: No handling for protocol %d", proto);
}
err = ind_cfg_lookup_bool(root, "listen", &listen);
if (err == INDIGO_ERROR_NOT_FOUND) {
listen = 0;
} else if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'listen' must be a boolean");
}
return err;
}
err = ind_cfg_lookup_bool(root, "local", &local);
if (err == INDIGO_ERROR_NOT_FOUND) {
local = 0;
} else if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'local' must be a boolean");
}
return err;
}
err = ind_cfg_lookup_int(root, "priority", &prio);
if (err == INDIGO_ERROR_NOT_FOUND) {
prio = 0;
} else if (err < 0) {
if (err == INDIGO_ERROR_PARAM) {
AIM_LOG_ERROR("Config: 'priority' must be an integer");
}
return err;
}
/* populate 'controller' struct */
switch (proto) {
case INDIGO_CXN_PROTO_TCP_OVER_IPV4: /* fall-through */
case INDIGO_CXN_PROTO_TLS_OVER_IPV4:
params4 = &controller->proto.tcp_over_ipv4;
params4->protocol = proto;
strncpy(params4->controller_ip, ip, sizeof(params4->controller_ip));
params4->controller_port = port;
break;
case INDIGO_CXN_PROTO_TCP_OVER_IPV6: /* fall-through */
case INDIGO_CXN_PROTO_TLS_OVER_IPV6:
params6 = &controller->proto.tcp_over_ipv6;
params6->protocol = proto;
strncpy(params6->controller_ip, ip, sizeof(params6->controller_ip));
params6->controller_port = port;
break;
case INDIGO_CXN_PROTO_UNIX:
params_unix = &controller->proto.unx;
params_unix->protocol = proto;
strncpy(params_unix->unix_path, unix_path, INDIGO_CXN_UNIX_PATH_LEN);
break;
default:
AIM_DIE("Config: No handling for protocol %d", proto);
}
controller->config.listen = listen;
controller->config.cxn_priority = prio;
controller->config.local = local;
controller->config.version = OFCONNECTIONMANAGER_CONFIG_OF_VERSION;
if (!local) {
controller->config.periodic_echo_ms = staged_config.keepalive_period_ms;
controller->config.reset_echo_count = 3;
} else {
controller->config.periodic_echo_ms = 0;
controller->config.reset_echo_count = 0;
}
return INDIGO_ERROR_NONE;
}