static char *expand_line_buf(char *line, size_t cur_size, size_t required)
{
size_t new_size = cur_size;
/* determine the new size */
do {
new_size *= 2;
} while (new_size < required);
/* reallocate */
if (cur_size == LOG_ALLOCA_SIZE) {
char *newpt = h2o_malloc(new_size);
memcpy(newpt, line, cur_size);
line = newpt;
} else {
line = h2o_realloc(line, new_size);
}
return line;
}
static int on_config_listen(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, const char *config_file, yoml_t *config_node)
{
struct config_t *conf = H2O_STRUCT_FROM_MEMBER(struct config_t, global_config, ctx->globalconf);
const char *hostname = NULL, *servname = NULL;
SSL_CTX *ssl_ctx = NULL;
struct addrinfo hints, *res;
int error;
/* fetch servname (and hostname) */
switch (config_node->type) {
case YOML_TYPE_SCALAR:
servname = config_node->data.scalar;
break;
case YOML_TYPE_MAPPING:
{
yoml_t *t;
if ((t = yoml_get(config_node, "host")) != NULL) {
if (t->type != YOML_TYPE_SCALAR) {
h2o_config_print_error(cmd, config_file, t, "`host` is not a string");
return -1;
}
hostname = t->data.scalar;
}
if ((t = yoml_get(config_node, "port")) == NULL) {
h2o_config_print_error(cmd, config_file, config_node, "cannot find mandatory property `port`");
return -1;
}
if (t->type != YOML_TYPE_SCALAR) {
h2o_config_print_error(cmd, config_file, config_node, "`port` is not a string");
return -1;
}
servname = t->data.scalar;
if ((t = yoml_get(config_node, "ssl")) != NULL) {
if ((ssl_ctx = on_config_listen_setup_ssl(cmd, config_file, t)) == NULL)
return -1;
}
}
break;
default:
h2o_config_print_error(cmd, config_file, config_node, "value must be a string or a mapping (with keys: `port` and optionally `host`)");
return -1;
}
/* call getaddrinfo */
memset(&hints, 0, sizeof(hints));
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
hints.ai_flags = AI_ADDRCONFIG | AI_NUMERICSERV | AI_PASSIVE;
if ((error = getaddrinfo(hostname, servname, &hints, &res)) != 0) {
h2o_config_print_error(cmd, config_file, config_node, "failed to resolve the listening address: %s", gai_strerror(error));
return -1;
} else if (res == NULL) {
h2o_config_print_error(cmd, config_file, config_node, "failed to resolve the listening address: getaddrinfo returned an empty list");
return -1;
}
{ /* save the entries */
struct addrinfo *ai;
for (ai = res; ai != NULL; ai = ai->ai_next) {
struct listener_config_t *listener = h2o_malloc(sizeof(*listener));
listener->fd = -1;
listener->family = ai->ai_family;
listener->socktype = ai->ai_socktype;
listener->protocol = ai->ai_protocol;
memcpy(&listener->addr, ai->ai_addr, ai->ai_addrlen);
listener->addrlen = ai->ai_addrlen;
listener->ssl_ctx = ssl_ctx;
conf->listeners = h2o_realloc(conf->listeners, sizeof(*conf->listeners) * (conf->num_listeners + 1));
conf->listeners[conf->num_listeners++] = listener;
}
}
/* release res */
freeaddrinfo(res);
return 0;
}
