grpc_channel_args *grpc_channel_args_copy_and_add(const grpc_channel_args *src,
const grpc_arg *to_add,
size_t num_to_add) {
grpc_channel_args *dst = gpr_malloc(sizeof(grpc_channel_args));
size_t i;
size_t src_num_args = (src == NULL) ? 0 : src->num_args;
if (!src && !to_add) {
dst->num_args = 0;
dst->args = NULL;
return dst;
}
dst->num_args = src_num_args + num_to_add;
dst->args = gpr_malloc(sizeof(grpc_arg) * dst->num_args);
for (i = 0; i < src_num_args; i++) {
dst->args[i] = copy_arg(&src->args[i]);
}
for (i = 0; i < num_to_add; i++) {
dst->args[i + src_num_args] = copy_arg(&to_add[i]);
}
return dst;
}
grpc_channel_args *grpc_channel_args_copy_and_add_and_remove(
const grpc_channel_args *src, const char **to_remove, size_t num_to_remove,
const grpc_arg *to_add, size_t num_to_add) {
// Figure out how many args we'll be copying.
size_t num_args_to_copy = 0;
if (src != NULL) {
for (size_t i = 0; i < src->num_args; ++i) {
if (!should_remove_arg(&src->args[i], to_remove, num_to_remove)) {
++num_args_to_copy;
}
}
}
// Create result.
grpc_channel_args *dst =
(grpc_channel_args *)gpr_malloc(sizeof(grpc_channel_args));
dst->num_args = num_args_to_copy + num_to_add;
if (dst->num_args == 0) {
dst->args = NULL;
return dst;
}
dst->args = (grpc_arg *)gpr_malloc(sizeof(grpc_arg) * dst->num_args);
// Copy args from src that are not being removed.
size_t dst_idx = 0;
if (src != NULL) {
for (size_t i = 0; i < src->num_args; ++i) {
if (!should_remove_arg(&src->args[i], to_remove, num_to_remove)) {
dst->args[dst_idx++] = copy_arg(&src->args[i]);
}
}
}
// Add args from to_add.
for (size_t i = 0; i < num_to_add; ++i) {
dst->args[dst_idx++] = copy_arg(&to_add[i]);
}
GPR_ASSERT(dst_idx == dst->num_args);
return dst;
}
grpc_channel_args *grpc_channel_args_normalize(const grpc_channel_args *a) {
grpc_arg **args = gpr_malloc(sizeof(grpc_arg *) * a->num_args);
for (size_t i = 0; i < a->num_args; i++) {
args[i] = &a->args[i];
}
qsort(args, a->num_args, sizeof(grpc_arg *), cmp_key_stable);
grpc_channel_args *b = gpr_malloc(sizeof(grpc_channel_args));
b->num_args = a->num_args;
b->args = gpr_malloc(sizeof(grpc_arg) * b->num_args);
for (size_t i = 0; i < a->num_args; i++) {
b->args[i] = copy_arg(args[i]);
}
gpr_free(args);
return b;
}
message *msg_create(const struct message_type *mtype, variant args[])
{
int i;
message *msg = (message *)malloc(sizeof(message));
assert(mtype != NULL);
if (mtype == NULL) {
log_error("Trying to create message with type=0x0\n");
return NULL;
}
msg->type = mtype;
msg->parameters = (variant *)(mtype->nparameters ? calloc(mtype->nparameters, sizeof(variant)) : NULL);
msg->refcount = 1;
for (i = 0; i != mtype->nparameters; ++i) {
msg->parameters[i] = copy_arg(mtype->types[i], args[i]);
}
if (msg_log_create)
msg_log_create(msg);
return msg;
}