ape_socket *ape_connect(char *ip, int port, acetables *g_ape)
{
int sock, ret;
struct sockaddr_in addr;
ape_socket *co = g_ape->co;
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
printf("ERREUR: socket().. (%s line: %i)\n",__FILE__, __LINE__);
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;
}
ret = events_add(g_ape->events, sock, EVENT_READ|EVENT_WRITE);
if (sock + 4 == g_ape->basemem) {
/* Increase connection & events size */
growup(&g_ape->basemem, &g_ape->co, g_ape->events, &g_ape->bufout);
co = g_ape->co;
}
co[sock].buffer_in.data = xmalloc(sizeof(char) * (DEFAULT_BUFFER_SIZE + 1));
co[sock].buffer_in.size = DEFAULT_BUFFER_SIZE;
co[sock].buffer_in.length = 0;
co[sock].buffer_in.slot = NULL;
co[sock].buffer_in.islot = 0;
co[sock].attach = NULL;
co[sock].idle = 0;
co[sock].fd = sock;
co[sock].stream_type = STREAM_OUT;
co[sock].state = STREAM_PROGRESS;
co[sock].callbacks.on_accept = NULL;
co[sock].callbacks.on_connect = NULL;
co[sock].callbacks.on_disconnect = NULL;
co[sock].callbacks.on_read = NULL;
co[sock].callbacks.on_read_lf = NULL;
co[sock].callbacks.on_data_completly_sent = NULL;
co[sock].callbacks.on_write = NULL;
g_ape->bufout[sock].fd = sock;
g_ape->bufout[sock].buf = NULL;
g_ape->bufout[sock].buflen = 0;
g_ape->bufout[sock].allocsize = 0;
return &co[sock];
}
/* Create socket struct if not exists */
void prepare_ape_socket(int fd, acetables *g_ape)
{
while (fd >= g_ape->basemem) {
/* Increase connection & events size */
growup(&g_ape->basemem, &g_ape->co, g_ape->events, &g_ape->bufout);
}
if (g_ape->co[fd] == NULL) {
g_ape->co[fd] = xmalloc(sizeof(*g_ape->co[fd]));
}
memset(g_ape->co[fd], 0, sizeof(*g_ape->co[fd]));
}
unsigned int sockroutine(int s_listen, acetables *g_ape)
{
int basemem = 512, epoll_fd;
struct epoll_event ev, *events;
int new_fd, nfds, sin_size = sizeof(struct sockaddr_in), i;
struct timeval t_start, t_end;
unsigned int ticks = 0;
struct sockaddr_in their_addr;
connection *co = xmalloc(sizeof(*co) * basemem);
epoll_fd = epoll_create(1); /* the param is not used */
if (epoll_fd < 0) {
printf("[ERR] Not enougth memory\n");
exit(0);
}
g_ape->epoll_fd = &epoll_fd;
events = xmalloc(sizeof(*events) * basemem);
g_ape->bufout = xmalloc(sizeof(struct _socks_bufout) * basemem);
setnonblocking(s_listen);
ev.events = EPOLLIN | EPOLLET | EPOLLPRI;
ev.data.fd = s_listen;
epoll_ctl(epoll_fd, EPOLL_CTL_ADD, s_listen, &ev);
while (1) {
/* Linux 2.6.25 provide a fd-driven timer system. It could be usefull to implement */
gettimeofday(&t_start, NULL);
nfds = epoll_wait(epoll_fd, events, basemem, (1000/TICKS_RATE)-ticks);
if (nfds < 0) {
continue;
}
if (nfds > 0) {
for (i = 0; i < nfds; i++) {
if (events[i].data.fd == s_listen) {
while (1) {
struct epoll_event cev;
http_state http = {0, HTTP_NULL, 0, -1, 0, 0, 0};
new_fd = accept(s_listen,
(struct sockaddr *)&their_addr,
(unsigned int *)&sin_size);
if (new_fd == -1) {
break;
}
if (new_fd + 4 == basemem) {
/* Increase connection & events size */
growup(&basemem, &co, &events, &g_ape->bufout);
}
strncpy(co[new_fd].ip_client, inet_ntoa(their_addr.sin_addr), 16);
co[new_fd].buffer.data = xmalloc(sizeof(char) * (DEFAULT_BUFFER_SIZE + 1));
co[new_fd].buffer.size = DEFAULT_BUFFER_SIZE;
co[new_fd].buffer.length = 0;
co[new_fd].http = http;
co[new_fd].attach = NULL;
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;
setnonblocking(new_fd);
cev.events = EPOLLIN | EPOLLET | EPOLLPRI | EPOLLOUT;
cev.data.fd = new_fd;
epoll_ctl(epoll_fd, EPOLL_CTL_ADD, new_fd, &cev);
}
continue;
} else {
int readb = 0;
if (events[i].events & EPOLLOUT) {
if (co[events[i].data.fd].stream_type == STREAM_OUT &&
((ape_proxy *)(co[events[i].data.fd].attach))->state == PROXY_IN_PROGRESS) {
int serror = 0, ret;
socklen_t serror_len = sizeof(serror);
ret = getsockopt(events[i].data.fd, SOL_SOCKET, SO_ERROR, &serror, &serror_len);
if (ret == 0 && serror == 0) {
((ape_proxy *)(co[events[i].data.fd].attach))->state = PROXY_CONNECTED;
((ape_proxy *)(co[events[i].data.fd].attach))->sock.fd = events[i].data.fd;
proxy_onevent((ape_proxy *)(co[events[i].data.fd].attach), "CONNECT", g_ape);
} else { /* This can be happen ? epoll seems set EPOLLIN as if the host is disconnecting */
((ape_proxy *)(co[events[i].data.fd].attach))->state = PROXY_THROTTLED;
//epoll_ctl(epoll_fd, EPOLL_CTL_DEL, events[i].data.fd, NULL);
clear_buffer(&co[events[i].data.fd]);
close(events[i].data.fd);
}
} else if (co[events[i].data.fd].stream_type == STREAM_IN && g_ape->bufout[events[i].data.fd].buf != NULL) {
if (sendqueue(events[i].data.fd, g_ape) == 1) {
if (co[events[i].data.fd].attach != NULL && ((subuser *)(co[events[i].data.fd].attach))->burn_after_writing) {
do_died((subuser *)(co[events[i].data.fd].attach));
((subuser *)(co[events[i].data.fd].attach))->burn_after_writing = 0;
}
}
}
}
if (events[i].events & EPOLLIN) {
do {
/*
TODO : Check if maximum data read can improve perf
Huge data may attempt to increase third parameter
*/
readb = read(events[i].data.fd,
co[events[i].data.fd].buffer.data + co[events[i].data.fd].buffer.length,
co[events[i].data.fd].buffer.size - co[events[i].data.fd].buffer.length);
if (readb == -1 && errno == EAGAIN) {
/*
Nothing to read again
*/
if (co[events[i].data.fd].stream_type == STREAM_OUT) {
proxy_process_eol(&co[events[i].data.fd], g_ape);
co[events[i].data.fd].buffer.length = 0;
} else {
co[events[i].data.fd].buffer.data[co[events[i].data.fd].buffer.length] = '\0';
}
break;
} else {
if (readb < 1) {
#if 0
TODO :
if (events[i].events & EPOLLRDHUP) {
/*
Client hangup the connection (half-closed)
*/
}
#endif
if (co[events[i].data.fd].stream_type == STREAM_IN && co[events[i].data.fd].attach != NULL) {
if (events[i].data.fd == ((subuser *)(co[events[i].data.fd].attach))->fd) {
((subuser *)(co[events[i].data.fd].attach))->headers_sent = 0;
((subuser *)(co[events[i].data.fd].attach))->state = ADIED;
}
if (((subuser *)(co[events[i].data.fd].attach))->wait_for_free == 1) {
free(co[events[i].data.fd].attach);
co[events[i].data.fd].attach = NULL;
}
} else if (co[events[i].data.fd].stream_type == STREAM_OUT) {
if (((ape_proxy *)(co[events[i].data.fd].attach))->state == PROXY_TOFREE) {
free(co[events[i].data.fd].attach);
co[events[i].data.fd].attach = NULL;
} else {
((ape_proxy *)(co[events[i].data.fd].attach))->state = PROXY_THROTTLED;
proxy_onevent((ape_proxy *)(co[events[i].data.fd].attach), "DISCONNECT", g_ape);
}
}
clear_buffer(&co[events[i].data.fd]);
if (g_ape->bufout[events[i].data.fd].buf != NULL) {
free(g_ape->bufout[events[i].data.fd].buf);
g_ape->bufout[events[i].data.fd].buflen = 0;
g_ape->bufout[events[i].data.fd].buf = NULL;
g_ape->bufout[events[i].data.fd].allocsize = 0;
}
close(events[i].data.fd);
break;
} else if (co[events[i].data.fd].http.ready != -1) {
co[events[i].data.fd].buffer.length += readb;
if (co[events[i].data.fd].buffer.length == co[events[i].data.fd].buffer.size) {
co[events[i].data.fd].buffer.size *= 2;
co[events[i].data.fd].buffer.data = xrealloc(co[events[i].data.fd].buffer.data,
sizeof(char) * (co[events[i].data.fd].buffer.size + 1));
}
if (co[events[i].data.fd].stream_type == STREAM_IN) {
process_http(&co[events[i].data.fd]);
if (co[events[i].data.fd].http.ready == 1) {
co[events[i].data.fd].attach = checkrecv(co[events[i].data.fd].buffer.data,
events[i].data.fd, g_ape, co[events[i].data.fd].ip_client);
co[events[i].data.fd].buffer.length = 0;
co[events[i].data.fd].http.ready = -1;
} else if (co[events[i].data.fd].http.error == 1) {
shutdown(events[i].data.fd, 2);
}
}
}
}
} while(readb >= 0);
}
}
}
}
gettimeofday(&t_end, NULL);
ticks += (1000*(t_end.tv_sec - t_start.tv_sec))+((t_end.tv_usec - t_start.tv_usec)/1000);
/* Tic tac, tic tac :-) */
if (ticks >= 1000/TICKS_RATE) {
ape_proxy *proxy = g_ape->proxy.list;
int psock;
ticks = 0;
while (proxy != NULL) {
if (proxy->state == PROXY_NOT_CONNECTED && ((psock = proxy_connect(proxy, g_ape)) != 0)) {
http_state http_s = {0, HTTP_NULL, 0, -1, 0, 0, 0};
if (psock + 4 == basemem) {
growup(&basemem, &co, &events, &g_ape->bufout);
}
co[psock].ip_client[0] = '\0';
co[psock].buffer.data = xmalloc(sizeof(char) * (DEFAULT_BUFFER_SIZE + 1));
co[psock].buffer.size = DEFAULT_BUFFER_SIZE;
co[psock].buffer.length = 0;
co[psock].http = http_s;
co[psock].attach = proxy;
co[psock].stream_type = STREAM_OUT;
}
proxy = proxy->next;
}
process_tick(g_ape);
}
}
close(epoll_fd);
return 0;
}
//! Sets the buffer capacity to \p cap, and makes it non-resizable.
void setFixedCapacity(int cap) {
growup(cap);
clear();
growable = false;
}
ape_socket *ape_listen(unsigned int port, char *listen_ip, acetables *g_ape)
{
int sock;
struct sockaddr_in addr;
int reuse_addr = 1;
ape_socket *co = g_ape->co;
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
printf("ERREUR: socket().. (%s line: %i)\n",__FILE__, __LINE__);
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)
{
printf("ERREUR: bind(%i) (non-root ?).. (%s line: %i)\n", port, __FILE__, __LINE__);
return NULL;
}
if (listen(sock, 2048) == -1)
{
printf("ERREUR: listen().. (%s line: %i)\n",__FILE__, __LINE__);
return NULL;
}
setnonblocking(sock);
if (sock + 4 == g_ape->basemem) {
/* Increase connection & events size */
growup(&g_ape->basemem, &g_ape->co, g_ape->events, &g_ape->bufout);
co = g_ape->co;
}
co[sock].buffer_in.data = NULL;
co[sock].buffer_in.size = 0;
co[sock].buffer_in.length = 0;
co[sock].attach = NULL;
co[sock].idle = 0;
co[sock].fd = sock;
co[sock].stream_type = STREAM_SERVER;
co[sock].state = STREAM_ONLINE;
co[sock].callbacks.on_accept = NULL;
co[sock].callbacks.on_connect = NULL;
co[sock].callbacks.on_disconnect = NULL;
co[sock].callbacks.on_read = NULL;
co[sock].callbacks.on_read_lf = NULL;
co[sock].callbacks.on_data_completly_sent = NULL;
co[sock].callbacks.on_write = NULL;
events_add(g_ape->events, sock, EVENT_READ);
return &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;
ape_socket *co = g_ape->co;
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;
g_ape->bufout = xmalloc(sizeof(struct _socks_bufout) * g_ape->basemem);
#if 0
add_periodical(5, 0, check_idle, &sl, g_ape);
#endif
while (1) {
// int timeout_to_hang = MAX((1000/TICKS_RATE)-ticks, 1);
/* Linux 2.6.25 provides a fd-driven timer system. It could be usefull to implement */
gettimeofday(&t_start, NULL);
nfds = events_poll(g_ape->events, 1);
if (nfds < 0) {
continue;
}
if (nfds > 0) {
for (i = 0; i < nfds; i++) {
int active_fd = events_get_current_fd(g_ape->events, i);
if (co[active_fd].stream_type == STREAM_SERVER) {
while (1) {
http_state http = {0, HTTP_NULL, 0, -1, 0, 0, 0};
new_fd = accept(active_fd,
(struct sockaddr *)&their_addr,
(unsigned int *)&sin_size);
if (new_fd == -1) {
break;
}
if (new_fd + 4 == g_ape->basemem) {
/* Increase connection & events size */
growup(&g_ape->basemem, &g_ape->co, g_ape->events, &g_ape->bufout);
co = g_ape->co;
}
strncpy(co[new_fd].ip_client, inet_ntoa(their_addr.sin_addr), 16);
co[new_fd].buffer_in.data = xmalloc(sizeof(char) * (DEFAULT_BUFFER_SIZE + 1));
co[new_fd].buffer_in.size = DEFAULT_BUFFER_SIZE;
co[new_fd].buffer_in.length = 0;
co[new_fd].buffer_in.slot = NULL;
co[new_fd].buffer_in.islot = 0;
co[new_fd].http = http;
co[new_fd].attach = NULL;
co[new_fd].data = NULL;
co[new_fd].idle = time(NULL);
co[new_fd].fd = new_fd;
co[new_fd].stream_type = STREAM_IN;
co[new_fd].state = STREAM_ONLINE;
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;
co[new_fd].callbacks.on_disconnect = co[active_fd].callbacks.on_disconnect;
co[new_fd].callbacks.on_read = co[active_fd].callbacks.on_read;
co[new_fd].callbacks.on_read_lf = co[active_fd].callbacks.on_read_lf;
co[new_fd].callbacks.on_data_completly_sent = co[active_fd].callbacks.on_data_completly_sent;
co[new_fd].callbacks.on_write = co[active_fd].callbacks.on_write;
co[new_fd].attach = co[active_fd].attach;
setnonblocking(new_fd);
events_add(g_ape->events, new_fd, EVENT_READ|EVENT_WRITE);
tfd++;
if (co[active_fd].callbacks.on_accept != NULL) {
co[active_fd].callbacks.on_accept(&co[new_fd], g_ape);
}
}
continue;
} else {
int readb = 0;
int bitev = events_revent(g_ape->events, i);
if (bitev & EVENT_WRITE) {
if (co[active_fd].stream_type == STREAM_OUT && 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) {
co[active_fd].state = STREAM_ONLINE;
if (co[active_fd].callbacks.on_connect != NULL) {
co[active_fd].callbacks.on_connect(&co[active_fd], g_ape);
}
} else { /* This can happen ? epoll seems set EPOLLIN as if the host is disconnecting */
if (co[active_fd].callbacks.on_disconnect != NULL) {
co[active_fd].callbacks.on_disconnect(&co[active_fd], g_ape);
}
clear_buffer(&co[active_fd], &tfd);
close(active_fd);
}
}
#if 0
if (co[active_fd].stream_type == STREAM_OUT &&
((ape_proxy *)(co[active_fd].attach))->state == PROXY_IN_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) {
((ape_proxy *)(co[active_fd].attach))->state = PROXY_CONNECTED;
((ape_proxy *)(co[active_fd].attach))->sock.fd = active_fd;
proxy_onevent((ape_proxy *)(co[active_fd].attach), "CONNECT", g_ape);
if (co[active_fd].callbacks.on_connect != NULL) {
co[active_fd].callbacks.on_connect(&co[active_fd]);
}
} else { /* This can happen ? epoll seems set EPOLLIN as if the host is disconnecting */
if (co[active_fd].callbacks.on_disconnect != NULL) {
co[active_fd].callbacks.on_disconnect(&co[active_fd]);
}
((ape_proxy *)(co[active_fd].attach))->state = PROXY_THROTTLED;
//epoll_ctl(event_fd, EPOLL_CTL_DEL, active_fd, NULL);
clear_buffer(&co[active_fd], &tfd);
close(active_fd);
}
}
#endif
else if (co[active_fd].stream_type == STREAM_IN && g_ape->bufout[active_fd].buf != NULL) {
if (sendqueue(active_fd, g_ape) == 1) {
if (co[active_fd].callbacks.on_data_completly_sent != NULL) {
co[active_fd].callbacks.on_data_completly_sent(&co[active_fd], g_ape);
}
}
} else if (co[active_fd].stream_type == STREAM_DELEGATE) {
if (co[active_fd].callbacks.on_write != NULL) {
co[active_fd].callbacks.on_write(&co[active_fd], g_ape);
}
}
}
if (bitev & EVENT_READ) {
if (co[active_fd].stream_type == STREAM_DELEGATE) {
if (co[active_fd].callbacks.on_read != NULL) {
co[active_fd].callbacks.on_read(&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,
co[active_fd].buffer_in.data + co[active_fd].buffer_in.length,
co[active_fd].buffer_in.size - co[active_fd].buffer_in.length);
if (readb == -1 && errno == EAGAIN) {
/*
Nothing to read again
*/
if (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 (co[active_fd].callbacks.on_disconnect != NULL) {
co[active_fd].callbacks.on_disconnect(&co[active_fd], g_ape);
}
#if 0
if (co[active_fd].stream_type == STREAM_IN && co[active_fd].attach != NULL) {
if (active_fd == ((subuser *)(co[active_fd].attach))->fd) {
((subuser *)(co[active_fd].attach))->headers_sent = 0;
((subuser *)(co[active_fd].attach))->state = ADIED;
}
if (((subuser *)(co[active_fd].attach))->wait_for_free == 1) {
free(co[active_fd].attach);
co[active_fd].attach = NULL;
}
} else if (co[active_fd].stream_type == STREAM_OUT) {
if (((ape_proxy *)(co[active_fd].attach))->state == PROXY_TOFREE) {
free(co[active_fd].attach);
co[active_fd].attach = NULL;
} else {
((ape_proxy *)(co[active_fd].attach))->state = PROXY_THROTTLED;
proxy_onevent((ape_proxy *)(co[active_fd].attach), "DISCONNECT", g_ape);
}
}
#endif
clear_buffer(&co[active_fd], &tfd);
if (g_ape->bufout[active_fd].buf != NULL) {
free(g_ape->bufout[active_fd].buf);
g_ape->bufout[active_fd].buflen = 0;
g_ape->bufout[active_fd].buf = NULL;
g_ape->bufout[active_fd].allocsize = 0;
}
close(active_fd);
break;
} else {
co[active_fd].buffer_in.length += readb;
/* realloc the buffer for the next read (x2) */
if (co[active_fd].buffer_in.length == co[active_fd].buffer_in.size) {
co[active_fd].buffer_in.size *= 2;
co[active_fd].buffer_in.data = xrealloc(co[active_fd].buffer_in.data,
sizeof(char) * (co[active_fd].buffer_in.size + 1));
}
if (co[active_fd].callbacks.on_read_lf != NULL) {
int eol, len = co[active_fd].buffer_in.length;
char *pBuf = co[active_fd].buffer_in.data;
while ((eol = sneof(pBuf, len, 4096)) != -1) {
pBuf[eol-1] = '\0';
co[active_fd].callbacks.on_read_lf(&co[active_fd], pBuf, g_ape);
pBuf = &pBuf[eol];
len -= eol;
}
if (len > 4096 || !len) {
co[active_fd].buffer_in.length = 0;
} else if (len) {
memmove(co[active_fd].buffer_in.data, &co[active_fd].buffer_in.data[co[active_fd].buffer_in.length - len], len);
co[active_fd].buffer_in.length = len;
}
}
/* on_read can't get along with on_read_lf */
if (co[active_fd].callbacks.on_read != NULL && co[active_fd].callbacks.on_read_lf == NULL) {
co[active_fd].callbacks.on_read(&co[active_fd], &co[active_fd].buffer_in, co[active_fd].buffer_in.length - readb, g_ape);
}
}
}
} while(readb >= 0);
}
}
}
}
gettimeofday(&t_end, NULL);
ticks = 0;
uticks = 1000000 * (t_end.tv_sec - t_start.tv_sec);
uticks += (t_end.tv_usec - t_start.tv_usec);
lticks += uticks;
/* Tic tac, tic tac :-) */
{
unsigned long int nticks;
ape_proxy *proxy = g_ape->proxy.list;
int psock;
while (proxy != NULL) {
if (proxy->state == PROXY_NOT_CONNECTED && ((psock = proxy_connect(proxy, g_ape)) != 0)) {
http_state http_s = {0, HTTP_NULL, 0, -1, 0, 0, 0};
if (psock + 4 == g_ape->basemem) {
growup(&g_ape->basemem, &g_ape->co, g_ape->events, &g_ape->bufout);
co = g_ape->co;
}
co[psock].ip_client[0] = '\0';
co[psock].buffer_in.data = xmalloc(sizeof(char) * (DEFAULT_BUFFER_SIZE + 1));
co[psock].buffer_in.size = DEFAULT_BUFFER_SIZE;
co[psock].buffer_in.length = 0;
co[psock].buffer_in.slot = NULL;
co[psock].buffer_in.islot = 0;
co[psock].idle = time(NULL);
co[psock].http = http_s;
co[psock].attach = proxy;
co[psock].stream_type = STREAM_OUT;
co[psock].fd = psock;
tfd++;
}
proxy = proxy->next;
}
while (lticks > 1000) {
ticks++;
lticks -= 1000;
}
for (nticks = 0; nticks < ticks; nticks++) {
process_tick(g_ape);
}
}
}
return 0;
}
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 (server_is_running) {
// int timeout_to_hang = MAX((1000/TICKS_RATE)-ticks, 1);
/* Linux 2.6.25 provides a fd-driven timer system. It could be usefull to implement */
nfds = events_poll(g_ape->events, 1);
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)) {
if (g_ape->bufout[active_fd].buf != NULL) {
free(g_ape->bufout[active_fd].buf);
g_ape->bufout[active_fd].buflen = 0;
g_ape->bufout[active_fd].buf = NULL;
g_ape->bufout[active_fd].allocsize = 0;
}
close(active_fd);
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;
}
if (new_fd + 4 >= g_ape->basemem) {
/* Increase connection & events size */
growup(&g_ape->basemem, &g_ape->co, g_ape->events, &g_ape->bufout);
}
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].buffer_in.length = 0;
g_ape->co[new_fd].buffer_in.slot = NULL;
g_ape->co[new_fd].buffer_in.islot = 0;
//g_ape->co[new_fd].http = http;
g_ape->co[new_fd].attach = NULL;
g_ape->co[new_fd].data = NULL;
g_ape->co[new_fd].idle = time(NULL);
g_ape->co[new_fd].burn_after_writing = 0;
g_ape->co[new_fd].fd = new_fd;
g_ape->co[new_fd].stream_type = STREAM_IN;
g_ape->co[new_fd].state = STREAM_ONLINE;
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);
}
clear_buffer(&g_ape->co[active_fd], &tfd);
close(active_fd);
}
} 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);
}
clear_buffer(&g_ape->co[active_fd], &tfd);
if (g_ape->bufout[active_fd].buf != NULL) {
free(g_ape->bufout[active_fd].buf);
g_ape->bufout[active_fd].buflen = 0;
g_ape->bufout[active_fd].buf = NULL;
g_ape->bufout[active_fd].allocsize = 0;
}
close(active_fd);
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) {
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) {
memmove(g_ape->co[active_fd].buffer_in.data, &g_ape->co[active_fd].buffer_in.data[g_ape->co[active_fd].buffer_in.length - len], len);
g_ape->co[active_fd].buffer_in.length = 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;
}