ape_socket *ape_listen(unsigned int port, char *listen_ip, acetables *g_ape)
{
int sock;
struct sockaddr_in addr;
int reuse_addr = 1;
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
ape_log(APE_ERR, __FILE__, __LINE__, g_ape,
"ape_listen() - socket()");
return NULL;
}
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
//addr.sin_addr.s_addr = inet_addr(CONFIG_VAL(Server, ip_listen, g_ape->srv));
addr.sin_addr.s_addr = inet_addr(listen_ip);
memset(&(addr.sin_zero), '\0', 8);
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &reuse_addr, sizeof(reuse_addr));
if (bind(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr)) == -1)
{
ape_log(APE_ERR, __FILE__, __LINE__, g_ape,
"ape_listen() - bind()");
printf("Error: cannot bind to port %i; %s\n", port, strerror(errno));
ape_server_is_running = 0;
return NULL;
}
if (listen(sock, 2048) == -1)
{
ape_log(APE_ERR, __FILE__, __LINE__, g_ape,
"ape_listen() - listen()");
return NULL;
}
setnonblocking(sock);
prepare_ape_socket(sock, g_ape);
g_ape->co[sock]->fd = sock;
g_ape->co[sock]->state = STREAM_ONLINE;
g_ape->co[sock]->stream_type = STREAM_SERVER;
events_add(g_ape->events, sock, EVENT_READ);
return g_ape->co[sock];
}
void ape_dns_init(acetables *g_ape)
{
int sock = dns_init(NULL, 1);
prepare_ape_socket(sock, g_ape);
g_ape->co[sock]->fd = sock;
g_ape->co[sock]->stream_type = STREAM_DELEGATE;
g_ape->co[sock]->callbacks.on_read = ape_dns_read;
g_ape->co[sock]->callbacks.on_write = ape_dns_write;
events_add(g_ape->events, sock, EVENT_READ|EVENT_WRITE);
dns_timer_id = add_ticked(ape_dns_timeout, NULL)->identifier;
}
ape_socket *ape_connect(char *ip, int port, acetables *g_ape)
{
int sock, ret;
struct sockaddr_in addr;
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
ape_log(APE_ERR, __FILE__, __LINE__, g_ape,
"ape_connect() - socket() : %s", strerror(errno));
return NULL;
}
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = inet_addr(ip);
memset(&(addr.sin_zero), '\0', 8);
setnonblocking(sock);
if (connect(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr)) == 0 || errno != EINPROGRESS) {
return NULL;
}
prepare_ape_socket(sock, g_ape);
g_ape->co[sock]->buffer_in.data = xmalloc(sizeof(char) * (DEFAULT_BUFFER_SIZE + 1));
g_ape->co[sock]->buffer_in.size = DEFAULT_BUFFER_SIZE;
g_ape->co[sock]->fd = sock;
g_ape->co[sock]->state = STREAM_PROGRESS;
g_ape->co[sock]->stream_type = STREAM_OUT;
g_ape->bufout[sock].fd = sock;
g_ape->bufout[sock].buf = NULL;
g_ape->bufout[sock].buflen = 0;
g_ape->bufout[sock].allocsize = 0;
ret = events_add(g_ape->events, sock, EVENT_READ|EVENT_WRITE);
return g_ape->co[sock];
}
unsigned int sockroutine(acetables *g_ape)
{
struct _socks_list sl;
int new_fd, nfds, sin_size = sizeof(struct sockaddr_in), i, tfd = 0;
struct timeval t_start, t_end;
long int ticks = 0, uticks = 0, lticks = 0;
struct sockaddr_in their_addr;
//sl.co = co;
sl.tfd = &tfd;
#if 0
add_periodical(5, 0, check_idle, &sl, g_ape);
#endif
gettimeofday(&t_start, NULL);
while (ape_server_is_running) {
/* Linux 2.6.25 provides a fd-driven timer system. It could be usefull to implement */
int timeout_to_hang = get_first_timer_ms(g_ape);
nfds = events_poll(g_ape->events, timeout_to_hang);
if (nfds < 0) {
ape_log(APE_ERR, __FILE__, __LINE__, g_ape,
"events_poll() : %s", strerror(errno));
continue;
}
if (nfds > 0) {
for (i = 0; i < nfds; i++) {
int active_fd = events_get_current_fd(g_ape->events, i);
if (g_ape->co[active_fd]->stream_type == STREAM_SERVER) {
int bitev = events_revent(g_ape->events, i);
if (!(bitev & EVENT_READ)) {
/* Close server socket */
close_socket(active_fd, g_ape);
continue;
}
while (1) {
//http_state http = {NULL, 0, -1, 0, 0, HTTP_NULL, 0, 0};
new_fd = accept(active_fd,
(struct sockaddr *)&their_addr,
(unsigned int *)&sin_size);
if (new_fd == -1) {
break;
}
prepare_ape_socket(new_fd, g_ape);
strncpy(g_ape->co[new_fd]->ip_client, inet_ntoa(their_addr.sin_addr), 16);
g_ape->co[new_fd]->buffer_in.data = xmalloc(sizeof(char) * (DEFAULT_BUFFER_SIZE + 1));
g_ape->co[new_fd]->buffer_in.size = DEFAULT_BUFFER_SIZE;
g_ape->co[new_fd]->idle = time(NULL);
g_ape->co[new_fd]->fd = new_fd;
g_ape->co[new_fd]->state = STREAM_ONLINE;
g_ape->co[new_fd]->stream_type = STREAM_IN;
g_ape->bufout[new_fd].fd = new_fd;
g_ape->bufout[new_fd].buf = NULL;
g_ape->bufout[new_fd].buflen = 0;
g_ape->bufout[new_fd].allocsize = 0;
g_ape->co[new_fd]->callbacks.on_disconnect = g_ape->co[active_fd]->callbacks.on_disconnect;
g_ape->co[new_fd]->callbacks.on_read = g_ape->co[active_fd]->callbacks.on_read;
g_ape->co[new_fd]->callbacks.on_read_lf = g_ape->co[active_fd]->callbacks.on_read_lf;
g_ape->co[new_fd]->callbacks.on_data_completly_sent = g_ape->co[active_fd]->callbacks.on_data_completly_sent;
g_ape->co[new_fd]->callbacks.on_write = g_ape->co[active_fd]->callbacks.on_write;
g_ape->co[new_fd]->attach = g_ape->co[active_fd]->attach;
setnonblocking(new_fd);
events_add(g_ape->events, new_fd, EVENT_READ|EVENT_WRITE);
tfd++;
if (g_ape->co[active_fd]->callbacks.on_accept != NULL) {
g_ape->co[active_fd]->callbacks.on_accept(g_ape->co[new_fd], g_ape);
}
}
continue;
} else {
int readb = 0;
int bitev = events_revent(g_ape->events, i);
if (bitev & EVENT_WRITE) {
if (g_ape->co[active_fd]->stream_type == STREAM_OUT && g_ape->co[active_fd]->state == STREAM_PROGRESS) {
int serror = 0, ret;
socklen_t serror_len = sizeof(serror);
ret = getsockopt(active_fd, SOL_SOCKET, SO_ERROR, &serror, &serror_len);
if (ret == 0 && serror == 0) {
g_ape->co[active_fd]->state = STREAM_ONLINE;
if (g_ape->co[active_fd]->callbacks.on_connect != NULL) {
g_ape->co[active_fd]->callbacks.on_connect(g_ape->co[active_fd], g_ape);
}
} else { /* This can happen ? epoll seems set EPOLLIN as if the host is disconnecting */
if (g_ape->co[active_fd]->callbacks.on_disconnect != NULL) {
g_ape->co[active_fd]->callbacks.on_disconnect(g_ape->co[active_fd], g_ape);
}
close_socket(active_fd, g_ape);
tfd--;
continue;
}
} else if (g_ape->bufout[active_fd].buf != NULL) {
if (sendqueue(active_fd, g_ape) == 1) {
if (g_ape->co[active_fd]->callbacks.on_data_completly_sent != NULL) {
g_ape->co[active_fd]->callbacks.on_data_completly_sent(g_ape->co[active_fd], g_ape);
}
if (g_ape->co[active_fd]->burn_after_writing) {
shutdown(active_fd, 2);
g_ape->co[active_fd]->burn_after_writing = 0;
}
}
} else if (g_ape->co[active_fd]->stream_type == STREAM_DELEGATE) {
if (g_ape->co[active_fd]->callbacks.on_write != NULL) {
g_ape->co[active_fd]->callbacks.on_write(g_ape->co[active_fd], g_ape);
}
}
}
if (bitev & EVENT_READ) {
if (g_ape->co[active_fd]->stream_type == STREAM_DELEGATE) {
if (g_ape->co[active_fd]->callbacks.on_read != NULL) {
g_ape->co[active_fd]->callbacks.on_read(g_ape->co[active_fd], NULL, 0, g_ape);
continue;
}
}
do {
/*
TODO : Check if maximum data read can improve perf
Huge data may attempt to increase third parameter
*/
readb = read(active_fd,
g_ape->co[active_fd]->buffer_in.data + g_ape->co[active_fd]->buffer_in.length,
g_ape->co[active_fd]->buffer_in.size - g_ape->co[active_fd]->buffer_in.length);
if (readb == -1 && errno == EAGAIN) {
if (g_ape->co[active_fd]->stream_type == STREAM_OUT) {
//proxy_process_eol(&co[active_fd], g_ape);
//co[active_fd].buffer_in.length = 0;
} else {
// co[active_fd].buffer_in.data[co[active_fd].buffer_in.length] = '\0';
}
break;
} else {
if (readb < 1) {
if (g_ape->co[active_fd]->callbacks.on_disconnect != NULL) {
g_ape->co[active_fd]->callbacks.on_disconnect(g_ape->co[active_fd], g_ape);
}
close_socket(active_fd, g_ape);
tfd--;
break;
} else {
g_ape->co[active_fd]->buffer_in.length += readb;
/* realloc the buffer for the next read (x2) */
if (g_ape->co[active_fd]->buffer_in.length == g_ape->co[active_fd]->buffer_in.size) {
g_ape->co[active_fd]->buffer_in.size *= 2;
g_ape->co[active_fd]->buffer_in.data = xrealloc(g_ape->co[active_fd]->buffer_in.data,
sizeof(char) * (g_ape->co[active_fd]->buffer_in.size + 1));
}
if (g_ape->co[active_fd]->callbacks.on_read_lf != NULL) {
unsigned int eol, *len = &g_ape->co[active_fd]->buffer_in.length;
char *pBuf = g_ape->co[active_fd]->buffer_in.data;
while ((eol = sneof(pBuf, *len, 4096)) != -1) {
pBuf[eol-1] = '\0';
g_ape->co[active_fd]->callbacks.on_read_lf(g_ape->co[active_fd], pBuf, g_ape);
pBuf = &pBuf[eol];
*len -= eol;
}
if (*len > 4096 || !*len) {
g_ape->co[active_fd]->buffer_in.length = 0;
} else if (*len && pBuf != g_ape->co[active_fd]->buffer_in.data) {
memmove(g_ape->co[active_fd]->buffer_in.data,
pBuf,
*len);
}
}
/* on_read can't get along with on_read_lf */
if (g_ape->co[active_fd]->callbacks.on_read != NULL && g_ape->co[active_fd]->callbacks.on_read_lf == NULL) {
g_ape->co[active_fd]->callbacks.on_read(g_ape->co[active_fd], &g_ape->co[active_fd]->buffer_in, g_ape->co[active_fd]->buffer_in.length - readb, g_ape);
}
}
}
} while(readb >= 0);
}
}
}
}
gettimeofday(&t_end, NULL);
ticks = 0;
uticks = 1000000L * (t_end.tv_sec - t_start.tv_sec);
uticks += (t_end.tv_usec - t_start.tv_usec);
t_start = t_end;
lticks += uticks;
/* Tic tac, tic tac */
while (lticks >= 1000) {
lticks -= 1000;
process_tick(g_ape);
}
}
return 0;
}
