/* Init kmsg input */
int in_xbee_init(struct flb_config *config)
{
int ret;
int opt_baudrate = 9600;
char *tmp;
char *opt_device = FLB_XBEE_DEFAULT_DEVICE;
struct stat dev_st;
struct xbee *xbee;
struct xbee_con *con;
struct xbee_conAddress address;
struct flb_in_xbee_config *ctx;
/* Check an optional baudrate */
tmp = getenv("FLB_XBEE_BAUDRATE");
if (tmp) {
opt_baudrate = atoi(tmp);
}
/* Get the target device entry */
tmp = getenv("FLB_XBEE_DEVICE");
if (tmp) {
opt_device = strdup(tmp);
}
flb_info("XBee device=%s, baudrate=%i", opt_device, opt_baudrate);
ret = stat(opt_device, &dev_st);
if (ret < 0) {
printf("Error: could not open %s device\n", opt_device);
exit(EXIT_FAILURE);
}
if (!S_ISCHR(dev_st.st_mode)) {
printf("Error: invalid device %s \n", opt_device);
exit(EXIT_FAILURE);
}
if (access(opt_device, R_OK | W_OK) == -1) {
printf("Error: cannot open the device %s (permission denied ?)\n",
opt_device);
exit(EXIT_FAILURE);
}
/* Init library */
xbee_init();
ret = xbee_setup(&xbee, "xbeeZB", opt_device, opt_baudrate);
if (ret != XBEE_ENONE) {
flb_utils_error_c("xbee_setup");
return ret;
}
/* FIXME: just a built-in example */
memset(&address, 0, sizeof(address));
address.addr64_enabled = 1;
address.addr64[0] = 0x00;
address.addr64[1] = 0x13;
address.addr64[2] = 0xA2;
address.addr64[3] = 0x00;
address.addr64[4] = 0x40;
address.addr64[5] = 0xB7;
address.addr64[6] = 0xB1;
address.addr64[7] = 0xEB;
/* Prepare a connection with the peer XBee */
if ((ret = xbee_conNew(xbee, &con, "Data", &address)) != XBEE_ENONE) {
xbee_log(xbee, -1, "xbee_conNew() returned: %d (%s)", ret, xbee_errorToStr(ret));
return ret;
}
/* Prepare the configuration context */
ctx = calloc(1, sizeof(struct flb_in_xbee_config));
if (!ctx) {
perror("calloc");
return -1;
}
ctx->device = opt_device;
ctx->baudrate = opt_baudrate;
ctx->con = con;
ctx->buffer_len = 0;
if ((ret = xbee_conDataSet(con, ctx, NULL)) != XBEE_ENONE) {
xbee_log(xbee, -1, "xbee_conDataSet() returned: %d", ret);
return ret;
}
if ((ret = xbee_conCallbackSet(con, in_xbee_cb, NULL)) != XBEE_ENONE) {
xbee_log(xbee, -1, "xbee_conCallbackSet() returned: %d", ret);
return ret;
}
/* Set the context */
ret = flb_input_set_context("xbee", ctx, config);
if (ret == -1) {
flb_utils_error_c("Could not set configuration for xbee input plugin");
}
/*
* Set our collector based on time. We will trigger a collection at certain
* intervals. For now it works but it's not the ideal implementation. I am
* talking with libxbee maintainer to check possible workarounds and use
* proper events mechanism.
*/
ret = flb_input_set_collector_time("xbee",
in_xbee_collect,
IN_XBEE_COLLECT_SEC,
IN_XBEE_COLLECT_NSEC,
config);
if (ret == -1) {
flb_utils_error_c("Could not set collector for xbee input plugin");
}
return 0;
}
/* Init xbee input */
int in_xbee_init(struct flb_config *config, void *data)
{
int ret;
struct stat dev_st;
struct xbee *xbee;
struct xbee_conAddress address;
struct flb_in_xbee_config *ctx;
struct xbee_conSettings settings;
(void) data;
/* Prepare the configuration context */
ctx = calloc(1, sizeof(struct flb_in_xbee_config));
if (!ctx) {
perror("calloc");
return -1;
}
if (!config->file) {
flb_utils_error_c("XBee input plugin needs configuration file");
return -1;
}
xbee_config_read(ctx, config->file);
/* initialize MessagePack buffers */
msgpack_sbuffer_init(&ctx->mp_sbuf);
msgpack_packer_init(&ctx->mp_pck, &ctx->mp_sbuf, msgpack_sbuffer_write);
flb_info("XBee device=%s, baudrate=%i", ctx->file, ctx->baudrate);
ret = stat(ctx->file, &dev_st);
if (ret < 0) {
printf("Error: could not open %s device\n", ctx->file);
free(ctx->file);
exit(EXIT_FAILURE);
}
if (!S_ISCHR(dev_st.st_mode)) {
printf("Error: invalid device %s \n", ctx->file);
free(ctx->file);
exit(EXIT_FAILURE);
}
if (access(ctx->file, R_OK | W_OK) == -1) {
printf("Error: cannot open the device %s (permission denied ?)\n",
ctx->file);
free(ctx->file);
exit(EXIT_FAILURE);
}
ctx->config = config;
pthread_mutex_init(&ctx->mtx_mp, NULL);
ctx->buffer_len = 0;
/* Init library */
xbee_init();
ret = xbee_setup(&xbee, ctx->xbeeMode, ctx->file, ctx->baudrate);
if (ret != XBEE_ENONE) {
flb_utils_error_c("xbee_setup");
return ret;
}
/* 000000000000FFFF: broadcast address */
memset(&address, 0, sizeof(address));
address.addr64_enabled = 1;
address.addr64[0] = 0x00;
address.addr64[1] = 0x00;
address.addr64[2] = 0x00;
address.addr64[3] = 0x00;
address.addr64[4] = 0x00;
address.addr64[5] = 0x00;
address.addr64[6] = 0xFF;
address.addr64[7] = 0xFF;
if (ctx->xbeeLogLevel >= 0)
xbee_logLevelSet(xbee, ctx->xbeeLogLevel);
/* Prepare a connection with the peer XBee */
if ((ret = xbee_conNew(xbee, &ctx->con_data, "Data", &address)) != XBEE_ENONE) {
xbee_log(xbee, -1, "xbee_conNew() returned: %d (%s)", ret, xbee_errorToStr(ret));
return ret;
}
xbee_conSettings(ctx->con_data, NULL, &settings);
settings.disableAck = ctx->xbeeDisableAck ? 1 : 0;
settings.catchAll = ctx->xbeeCatchAll ? 1 : 0;
xbee_conSettings(ctx->con_data, &settings, NULL);
if ((ret = xbee_conDataSet(ctx->con_data, ctx, NULL)) != XBEE_ENONE) {
xbee_log(xbee, -1, "xbee_conDataSet() returned: %d", ret);
return ret;
}
if ((ret = xbee_conCallbackSet(ctx->con_data, in_xbee_cb, NULL)) != XBEE_ENONE) {
xbee_log(xbee, -1, "xbee_conCallbackSet() returned: %d", ret);
return ret;
}
if ((ret = xbee_conNew(xbee, &ctx->con_io, "I/O", &address)) != XBEE_ENONE) {
xbee_log(xbee, -1, "xbee_conNew() returned: %d (%s)", ret, xbee_errorToStr(ret));
return ret;
}
xbee_conSettings(ctx->con_io, NULL, &settings);
settings.disableAck = ctx->xbeeDisableAck ? 1 : 0;
settings.catchAll = ctx->xbeeCatchAll ? 1 : 0;
xbee_conSettings(ctx->con_io, &settings, NULL);
if ((ret = xbee_conDataSet(ctx->con_io, ctx, NULL)) != XBEE_ENONE) {
xbee_log(xbee, -1, "xbee_conDataSet() returned: %d", ret);
return ret;
}
if ((ret = xbee_conCallbackSet(ctx->con_io, in_xbee_iosampling_cb, NULL)) != XBEE_ENONE) {
xbee_log(xbee, -1, "xbee_conCallbackSet() returned: %d", ret);
return ret;
}
/* Set the context */
ret = flb_input_set_context("xbee", ctx, config);
if (ret == -1) {
flb_utils_error_c("Could not set configuration for xbee input plugin");
}
return 0;
}