int http_client_pool_init(struct http_client_pool *http_client_pool, size_t initial, size_t grow) {
LOGGER_INFO("http client pool: initial=%zu, grow=%zu", initial, grow);
if (0 > ctx_pool_init(&http_client_pool->ctx_pool, initial, grow, CLIENT_STACK_SIZE, sizeof(struct http_client_context)))
return -1;
/* Global to all clients */
if (!client_chains) {
struct rlimit rlim;
if (0 > getrlimit(RLIMIT_NOFILE, &rlim))
return LOGGER_PERROR("getrlimit(RLIMIT_NOFILE)"), -1;
client_chains = calloc(rlim.rlim_cur, sizeof(struct list));
if (!client_chains)
return LOGGER_PERROR("calloc client_chains"), -1;
/* storage for multiple client chains */
client_heads = calloc(rlim.rlim_cur, sizeof(struct list));
struct list *tmp = client_heads, *tmp_end = tmp + rlim.rlim_cur;
if (!client_heads)
return LOGGER_PERROR("calloc client_heads"), -1;
for (; tmp != tmp_end; ++tmp)
list_insert_tail(&free_list, tmp);
idle_ctx = ribs_context_create(SMALL_STACK_SIZE, http_client_idle_handler);
hashtable_init(&ht_persistent_clients, rlim.rlim_cur);
}
return timeout_handler_init(&http_client_pool->timeout_handler);
}
int http_server_init(struct http_server *server) {
/*
* one time global initializers
*/
if (0 > mime_types_init())
return LOGGER_ERROR("failed to initialize mime types"), -1;
if (0 > http_headers_init())
return LOGGER_ERROR("failed to initialize http headers"), -1;
/*
* idle connection handler
*/
server->idle_ctx = ribs_context_create(SMALL_STACK_SIZE, http_server_idle_handler);
server->idle_ctx->data.ptr = server;
/*
* context pool
*/
if (0 == server->stack_size || 0 == server->num_stacks) {
struct rlimit rlim;
if (0 > getrlimit(RLIMIT_STACK, &rlim))
return LOGGER_PERROR("getrlimit(RLIMIT_STACK)"), -1;
long total_mem = sysconf(_SC_PHYS_PAGES);
if (total_mem < 0)
return LOGGER_PERROR("sysconf"), -1;
total_mem *= getpagesize();
size_t num_ctx_in_one_map = total_mem / rlim.rlim_cur;
/* half of total mem to start with so we don't need to enable overcommit */
num_ctx_in_one_map >>= 1;
LOGGER_INFO("http server pool: initial=%zu, grow=%zu", num_ctx_in_one_map, num_ctx_in_one_map);
ctx_pool_init(&server->ctx_pool, num_ctx_in_one_map, num_ctx_in_one_map, rlim.rlim_cur, sizeof(struct http_server_context) + server->context_size);
} else {
int http_server_init(struct http_server *server) {
/*
* one time global initializers
*/
if (0 > mime_types_init())
return LOGGER_ERROR("failed to initialize mime types"), -1;
if (0 > http_headers_init())
return LOGGER_ERROR("failed to initialize http headers"), -1;
/*
* idle connection handler
*/
server->idle_ctx = ribs_context_create(SMALL_STACK_SIZE, sizeof(struct http_server *), http_server_idle_handler);
struct http_server **server_ref = (struct http_server **)server->idle_ctx->reserved;
*server_ref = server;
/*
* context pool
*/
if (0 == server->num_stacks)
server->num_stacks = DEFAULT_NUM_STACKS;
if (0 == server->stack_size) {
struct rlimit rlim;
if (0 > getrlimit(RLIMIT_STACK, &rlim))
return LOGGER_PERROR("getrlimit(RLIMIT_STACK)"), -1;
server->stack_size = rlim.rlim_cur;
}
LOGGER_INFO("http server pool: initial=%zu, grow=%zu, stack_size=%zu", server->num_stacks, server->num_stacks, server->stack_size);
ctx_pool_init(&server->ctx_pool, server->num_stacks, server->num_stacks, server->stack_size, sizeof(struct http_server_context) + server->context_size);
/*
* listen socket
*/
const int LISTEN_BACKLOG = 32768;
LOGGER_INFO("listening on port: %d, backlog: %d", server->port, LISTEN_BACKLOG);
int lfd = socket(PF_INET, SOCK_STREAM | SOCK_NONBLOCK, IPPROTO_TCP);
if (0 > lfd)
return -1;
int rc;
const int option = 1;
rc = setsockopt(lfd, SOL_SOCKET, SO_REUSEADDR, &option, sizeof(option));
if (0 > rc)
return LOGGER_PERROR("setsockopt, SO_REUSEADDR"), rc;
rc = setsockopt(lfd, IPPROTO_TCP, TCP_NODELAY, &option, sizeof(option));
if (0 > rc)
return LOGGER_PERROR("setsockopt, TCP_NODELAY"), rc;
struct linger ls;
ls.l_onoff = 0;
ls.l_linger = 0;
rc = setsockopt(lfd, SOL_SOCKET, SO_LINGER, (void *)&ls, sizeof(ls));
if (0 > rc)
return LOGGER_PERROR("setsockopt, SO_LINGER"), rc;
struct sockaddr_in addr;
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
addr.sin_port = htons(server->port);
addr.sin_addr.s_addr = INADDR_ANY;
if (0 > bind(lfd, (struct sockaddr *)&addr, sizeof(addr)))
return LOGGER_PERROR("bind"), -1;
if (0 > listen(lfd, LISTEN_BACKLOG))
return LOGGER_PERROR("listen"), -1;
server->accept_ctx = ribs_context_create(ACCEPTOR_STACK_SIZE, sizeof(struct http_server *), http_server_accept_connections);
server->fd = lfd;
server_ref = (struct http_server **)server->accept_ctx->reserved;
*server_ref = server;
if (server->max_req_size == 0)
server->max_req_size = DEFAULT_MAX_REQ_SIZE;
return 0;
}