/* Constructor for channel_data */
static void init_channel_elem(grpc_exec_ctx *exec_ctx,
grpc_channel_element *elem,
grpc_channel_element_args *args) {
channel_data *chand = elem->channel_data;
GPR_ASSERT(!args->is_last);
chand->static_scheme = scheme_from_args(args->channel_args);
chand->user_agent = grpc_mdelem_from_metadata_strings(
GRPC_MDSTR_USER_AGENT, user_agent_from_args(args->channel_args));
}
/* Constructor for channel_data */
static void init_channel_elem(grpc_exec_ctx *exec_ctx,
grpc_channel_element *elem,
grpc_channel_element_args *args) {
channel_data *chand = elem->channel_data;
GPR_ASSERT(!args->is_last);
GPR_ASSERT(args->optional_transport != NULL);
chand->static_scheme = scheme_from_args(args->channel_args);
chand->user_agent = grpc_mdelem_from_metadata_strings(
GRPC_MDSTR_USER_AGENT,
user_agent_from_args(args->channel_args,
args->optional_transport->vtable->name));
}
/* Constructor for channel_data */
static void init_channel_elem(grpc_channel_element *elem, grpc_channel *master,
const grpc_channel_args *channel_args,
grpc_mdctx *mdctx, int is_first, int is_last) {
/* grab pointers to our data from the channel element */
channel_data *channeld = elem->channel_data;
/* The first and the last filters tend to be implemented differently to
handle the case that there's no 'next' filter to call on the up or down
path */
GPR_ASSERT(!is_last);
/* initialize members */
channeld->te_trailers = grpc_mdelem_from_strings(mdctx, "te", "trailers");
channeld->method = grpc_mdelem_from_strings(mdctx, ":method", "POST");
channeld->scheme = grpc_mdelem_from_strings(mdctx, ":scheme",
scheme_from_args(channel_args));
channeld->content_type =
grpc_mdelem_from_strings(mdctx, "content-type", "application/grpc");
channeld->status = grpc_mdelem_from_strings(mdctx, ":status", "200");
channeld->user_agent = grpc_mdelem_from_metadata_strings(
mdctx, grpc_mdstr_from_string(mdctx, "user-agent", 0),
user_agent_from_args(mdctx, channel_args));
}