int cb_td_flush(void *data, size_t bytes, void *out_context,
struct flb_config *config)
{
int n;
int ret;
int bytes_out;
char *pack;
size_t bytes_sent;
char buf[1024];
size_t len;
char *request;
struct flb_out_td_config *ctx = out_context;
/* Convert format */
pack = td_format(data, bytes, &bytes_out);
if (!pack) {
return -1;
}
request = td_http_request(pack, bytes_out, &len, ctx, config);
ret = flb_io_net_write(ctx->u, request, len, &bytes_sent);
if (ret == -1) {
perror("write");
}
free(request);
free(pack);
n = flb_io_net_read(ctx->u, buf, sizeof(buf) - 1);
if (n > 0) {
buf[n] = '\0';
flb_debug("[TD] API server response:\n%s", buf);
}
return bytes_sent;
}
void cb_forward_flush(void *data, size_t bytes,
char *tag, int tag_len,
struct flb_input_instance *i_ins, void *out_context,
struct flb_config *config)
{
int ret = -1;
int entries = 0;
size_t off = 0;
size_t total;
size_t bytes_sent;
msgpack_packer mp_pck;
msgpack_sbuffer mp_sbuf;
msgpack_unpacked result;
struct flb_out_forward_config *ctx = out_context;
struct flb_upstream_conn *u_conn;
(void) i_ins;
(void) config;
flb_debug("[out_forward] request %lu bytes to flush", bytes);
/* Initialize packager */
msgpack_sbuffer_init(&mp_sbuf);
msgpack_packer_init(&mp_pck, &mp_sbuf, msgpack_sbuffer_write);
/* Count number of entries, is there a better way to do this ? */
msgpack_unpacked_init(&result);
while (msgpack_unpack_next(&result, data, bytes, &off)) {
entries++;
}
flb_debug("[out_fw] %i entries tag='%s' tag_len=%i",
entries, tag, tag_len);
msgpack_unpacked_destroy(&result);
/* Output: root array */
msgpack_pack_array(&mp_pck, 2);
msgpack_pack_str(&mp_pck, tag_len);
msgpack_pack_str_body(&mp_pck, tag, tag_len);
msgpack_pack_array(&mp_pck, entries);
/* Get a TCP connection instance */
u_conn = flb_upstream_conn_get(ctx->u);
if (!u_conn) {
flb_error("[out_forward] no upstream connections available");
msgpack_sbuffer_destroy(&mp_sbuf);
FLB_OUTPUT_RETURN(FLB_RETRY);
}
/* Write message header */
ret = flb_io_net_write(u_conn, mp_sbuf.data, mp_sbuf.size, &bytes_sent);
if (ret == -1) {
flb_error("[out_forward] could not write chunk header");
msgpack_sbuffer_destroy(&mp_sbuf);
flb_upstream_conn_release(u_conn);
FLB_OUTPUT_RETURN(FLB_RETRY);
}
msgpack_sbuffer_destroy(&mp_sbuf);
total = ret;
/* Write body */
ret = flb_io_net_write(u_conn, data, bytes, &bytes_sent);
if (ret == -1) {
flb_error("[out_forward] error writing content body");
flb_upstream_conn_release(u_conn);
FLB_OUTPUT_RETURN(FLB_RETRY);
}
total += bytes_sent;
flb_upstream_conn_release(u_conn);
flb_trace("[out_forward] ended write()=%d bytes", total);
FLB_OUTPUT_RETURN(FLB_OK);
}
