// callback function - called for each name/value pair by ini parsing library
static int openavbTLCfgCallback(void *user, const char *tlSection, const char *name, const char *value)
{
AVB_TRACE_ENTRY(AVB_TRACE_TL);
parse_ini_data_t *pParseIniData = (parse_ini_data_t *)user;
openavb_tl_cfg_t *pCfg = pParseIniData->pCfg;
openavb_tl_cfg_name_value_t *pNVCfg = pParseIniData->pNVCfg;
tl_state_t *pTLState = pParseIniData->pTLState;
AVB_LOGF_DEBUG("name=[%s] value=[%s]", name, value);
bool valOK = FALSE;
char *pEnd;
int i;
if (MATCH(name, "role")) {
if (MATCH(value, "talker")) {
pCfg->role = AVB_ROLE_TALKER;
valOK = TRUE;
}
else if (MATCH(value, "listener")) {
pCfg->role = AVB_ROLE_LISTENER;
valOK = TRUE;
}
}
else if (MATCH(name, "dest_addr")) {
valOK = parse_mac(value, &pCfg->dest_addr);
}
else if (MATCH(name, "stream_addr")) {
valOK = parse_mac(value, &pCfg->stream_addr);
}
else if (MATCH(name, "stream_uid")) {
errno = 0;
pCfg->stream_uid = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& pCfg->stream_uid <= UINT16_MAX)
valOK = TRUE;
}
else if (MATCH(name, "max_interval_frames")) {
errno = 0;
pCfg->max_interval_frames = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& pCfg->max_interval_frames <= UINT16_MAX)
valOK = TRUE;
}
else if (MATCH(name, "max_frame_size")) {
errno = 0;
pCfg->max_frame_size = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& pCfg->max_interval_frames <= UINT16_MAX)
valOK = TRUE;
}
else if (MATCH(name, "sr_class")) {
if (strlen(value) == 1) {
if (tolower(value[0]) == 'a') {
pCfg->sr_class = SR_CLASS_A;
valOK = TRUE;
}
else if (tolower(value[0]) == 'b') {
pCfg->sr_class = SR_CLASS_B;
valOK = TRUE;
}
}
}
else if (MATCH(name, "sr_rank")) {
if (strlen(value) == 1) {
if (value[0] == '1') {
pCfg->sr_rank = SR_RANK_REGULAR;
valOK = TRUE;
}
else if (value[0] == '0') {
pCfg->sr_rank = SR_RANK_EMERGENCY;
valOK = TRUE;
}
}
}
else if (MATCH(name, "max_transit_usec")) {
errno = 0;
pCfg->max_transit_usec = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& pCfg->max_transit_usec <= UINT32_MAX)
valOK = TRUE;
}
else if (MATCH(name, "max_transmit_deficit_usec")) {
errno = 0;
pCfg->max_transmit_deficit_usec = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& pCfg->max_transmit_deficit_usec <= UINT32_MAX)
valOK = TRUE;
}
else if (MATCH(name, "internal_latency")) {
errno = 0;
pCfg->internal_latency = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& pCfg->internal_latency <= UINT32_MAX)
valOK = TRUE;
}
else if (MATCH(name, "batch_factor")) {
errno = 0;
pCfg->batch_factor = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& pCfg->batch_factor > 0
&& pCfg->batch_factor <= INT32_MAX)
valOK = TRUE;
}
else if (MATCH(name, "max_stale")) {
errno = 0;
pCfg->max_stale = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& pCfg->max_stale >= 0
&& pCfg->max_stale <= INT32_MAX)
valOK = TRUE;
}
else if (MATCH(name, "raw_tx_buffers")) {
errno = 0;
pCfg->raw_tx_buffers = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& pCfg->raw_tx_buffers <= UINT32_MAX)
valOK = TRUE;
}
else if (MATCH(name, "raw_rx_buffers")) {
errno = 0;
pCfg->raw_rx_buffers = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& pCfg->raw_rx_buffers <= UINT32_MAX)
valOK = TRUE;
}
else if (MATCH(name, "report_seconds")) {
errno = 0;
pCfg->report_seconds = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& (int)pCfg->report_seconds >= 0
&& pCfg->report_seconds <= INT32_MAX)
valOK = TRUE;
}
else if (MATCH(name, "start_paused")) {
// ignore this item - tl_host doesn't use it because
// it pauses before reading any of its streams.
errno = 0;
long tmp;
tmp = strtol(value, &pEnd, 10);
if (*pEnd == '\0' && errno == 0
&& tmp >= 0
&& tmp <= 1) {
pCfg->start_paused = (tmp == 1);
valOK = TRUE;
}
}
else if (MATCH(name, "ifname")) {
if_info_t ifinfo;
if (openavbCheckInterface(value, &ifinfo)) {
strncpy(pCfg->ifname, value, IFNAMSIZ - 1);
valOK = TRUE;
}
}
else if (MATCH(name, "vlan_id")) {
errno = 0;
long tmp;
tmp = strtol(value, &pEnd, 0);
// vlanID is 12 bit field
if (*pEnd == '\0' && errno == 0
&& tmp >= 0x0
&& tmp <= 0xFFF) {
pCfg->vlan_id = tmp;
valOK = TRUE;
}
}
else if (MATCH(name, "map_lib")) {
if (pTLState->mapLib.libName)
free(pTLState->mapLib.libName);
pTLState->mapLib.libName = strdup(value);
valOK = TRUE;
}
else if (MATCH(name, "map_fn")) {
if (pTLState->mapLib.funcName)
free(pTLState->mapLib.funcName);
pTLState->mapLib.funcName = strdup(value);
valOK = TRUE;
}
else if (MATCH(name, "intf_lib")) {
if (pTLState->intfLib.libName)
free(pTLState->intfLib.libName);
pTLState->intfLib.libName = strdup(value);
valOK = TRUE;
}
else if (MATCH(name, "intf_fn")) {
if (pTLState->intfLib.funcName)
free(pTLState->intfLib.funcName);
pTLState->intfLib.funcName = strdup(value);
valOK = TRUE;
}
else if (MATCH_LEFT(name, "intf_nv_", 8)
|| MATCH_LEFT(name, "map_nv_", 7)) {
// Need to save the interface and mapping module configuration
// until later (after those libraries are loaded.)
// check if this setting replaces an earlier one
for (i = 0; i < pNVCfg->nLibCfgItems; i++) {
if (MATCH(name, pNVCfg->libCfgNames[i])) {
if (pNVCfg->libCfgValues[i])
free(pNVCfg->libCfgValues[i]);
pNVCfg->libCfgValues[i] = strdup(value);
valOK = TRUE;
}
}
if (i >= pNVCfg->nLibCfgItems) {
// is a new name/value
if (i >= MAX_LIB_CFG_ITEMS) {
AVB_LOG_ERROR("Too many INI settings for interface/mapping modules");
}
else {
pNVCfg->libCfgNames[i] = strdup(name);
pNVCfg->libCfgValues[i] = strdup(value);
pNVCfg->nLibCfgItems++;
valOK = TRUE;
}
}
}
else {
// unmatched item, fail
AVB_LOGF_ERROR("Unrecognized configuration item: name=%s", name);
return 0;
}
if (!valOK) {
// bad value
AVB_LOGF_ERROR("Invalid value: name=%s, value=%s", name, value);
return 0;
}
AVB_TRACE_EXIT(AVB_TRACE_TL);
return 1; // OK
}
EXTERN_DLL_EXPORT bool openavbTLConfigure(tl_handle_t handle, openavb_tl_cfg_t *pCfgIn, openavb_tl_cfg_name_value_t *pNVCfg)
{
AVB_TRACE_ENTRY(AVB_TRACE_TL);
tl_state_t *pTLState = (tl_state_t *)handle;
if (!pTLState) {
AVB_LOG_ERROR("Invalid handle.");
AVB_TRACE_EXIT(AVB_TRACE_TL);
return FALSE;
}
// Create the mediaQ
pTLState->pMediaQ = openavbMediaQCreate();
if (!pTLState->pMediaQ) {
AVB_LOG_ERROR("Unable to create media queue");
AVB_TRACE_EXIT(AVB_TRACE_TL);
return FALSE;
}
// CORE_TODO: It's not safe to simply copy the openavb_tl_cfg_t since there are embedded pointers in the cfg_mac_t member.
// Those pointers need to be updated after a copy. Longer term the cfg_mac_t should be changed to not contain the mac
// member to remedy this issue and avoid further bugs.
memcpy(&pTLState->cfg, pCfgIn, sizeof(openavb_tl_cfg_t));
pTLState->cfg.dest_addr.mac = &pTLState->cfg.dest_addr.buffer;
pTLState->cfg.stream_addr.mac = &pTLState->cfg.stream_addr.buffer;
openavb_tl_cfg_t *pCfg = &pTLState->cfg;
if (!((pCfg->role == AVB_ROLE_TALKER) || (pCfg->role == AVB_ROLE_LISTENER))) {
AVB_LOG_ERROR("Talker - Listener Config Error: invalid role");
return FALSE;
}
if ((pCfg->role == AVB_ROLE_TALKER) && (pCfg->max_interval_frames == 0)) {
AVB_LOG_ERROR("Talker - Listener Config Error: talker role requires 'max_interval_frames'");
return FALSE;
}
openavbMediaQSetMaxStaleTail(pTLState->pMediaQ, pCfg->max_stale);
if (!openavbTLOpenLinkLibsOsal(pTLState)) {
AVB_LOG_ERROR("Failed to open mapping / interface library");
return FALSE;
}
if (pCfg->pMapInitFn && pCfg->pMapInitFn(pTLState->pMediaQ, &pCfg->map_cb, pCfg->max_transit_usec)) {
checkMapCallbacks(&pTLState->cfg);
}
else {
AVB_LOG_ERROR("Mapping initialize function error.");
return FALSE;
}
if (pCfg->pIntfInitFn && pCfg->pIntfInitFn(pTLState->pMediaQ, &pCfg->intf_cb)) {
checkIntfCallbacks(&pTLState->cfg);
}
else {
AVB_LOG_ERROR("Interface initialize function error.");
return FALSE;
}
// Submit configuration values to mapping and interface modules
int i;
for (i = 0; i < pNVCfg->nLibCfgItems; i++) {
if (MATCH_LEFT(pNVCfg->libCfgNames[i], "intf_nv_", 8)) {
if (pCfg->intf_cb.intf_cfg_cb) {
pCfg->intf_cb.intf_cfg_cb(pTLState->pMediaQ, pNVCfg->libCfgNames[i], pNVCfg->libCfgValues[i]);
}
else {
AVB_LOGF_ERROR("No interface module cfg function; ignoring %s", pNVCfg->libCfgNames[i]);
}
}
else if (MATCH_LEFT(pNVCfg->libCfgNames[i], "map_nv_", 7)) {
if (pCfg->map_cb.map_cfg_cb) {
pCfg->map_cb.map_cfg_cb(pTLState->pMediaQ, pNVCfg->libCfgNames[i], pNVCfg->libCfgValues[i]);
}
else {
AVB_LOGF_ERROR("No mapping module cfg function; ignoring %s", pNVCfg->libCfgNames[i]);
}
}
else {
assert(0);
}
} // for loop ends
pTLState->cfg.map_cb.map_gen_init_cb(pTLState->pMediaQ);
pTLState->cfg.intf_cb.intf_gen_init_cb(pTLState->pMediaQ);
return TRUE;
}
