external
/
uhub
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Various fixes for epoll handling without libevent. 

This should take care of most compile issues as well as busy loops caused by unhandled recv() calls returning 0 and general cleanups.
This commit is contained in:
Jan Vidar Krey 2010-01-19 14:53:47 +01:00
parent af8421fa47
commit f84073f7cc
22 changed files with 315 additions and 400 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
GNUmakefile
View File

@ -1,6 +1,6 @@
##
## Makefile for uhub (Use GNU make)
## Copyright (C) 2007-2009, Jan Vidar Krey <janvidar@extatic.org>
## Copyright (C) 2007-2010, Jan Vidar Krey <janvidar@extatic.org>
#
CC = gcc
@ -144,10 +144,11 @@ libuhub_SOURCES := \
src/core/route.c \
src/core/user.c \
src/core/usermanager.c \
src/util/ipcalc.c \
src/network/connection.c \
src/network/epoll.c \
src/network/libevent.c \
src/network/network.c \
src/util/ipcalc.c \
src/util/list.c \
src/util/log.c \
src/util/memory.c \

3
autotest/test_inf.tcc
View File

@ -42,9 +42,8 @@ static void inf_create_user()
{
if (inf_user) return;
inf_user = (struct hub_user*) hub_malloc_zero(sizeof(struct hub_user));
inf_user->connection = (struct net_connection*) hub_malloc_zero(sizeof(struct net_connection));
inf_user->connection = net_con_create();
inf_user->id.sid = 1;
inf_user->connection->sd = -1;
inf_user->limits.upload_slots = 1;
}

6
autotest/test_usermanager.tcc
View File

@ -4,7 +4,7 @@
static struct hub_info um_hub;
static struct hub_user um_user[MAX_USERS];
static struct net_connection um_cons[MAX_USERS];
// static struct net_connection um_cons[MAX_USERS];
EXO_TEST(um_test_setup, {
int i = 0;
@ -12,12 +12,12 @@ EXO_TEST(um_test_setup, {
for (i = 0; i < MAX_USERS; i++)
{
memset(&um_cons[i], 0, sizeof(struct net_connection));
/* memset(&um_cons[i], 0, sizeof(struct net_connection));
um_cons[i].sd = -1;
memset(&um_user[i], 0, sizeof(struct hub_user));
um_user[i].id.sid = i+1;
um_user[i].connection = &um_cons[i];
um_user[i].connection = &um_cons[i];*/
}
return 1;
});

2
src/core/hubevent.c
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
src/core/hubevent.h
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

7
src/core/hubio.c
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -20,11 +20,6 @@
#include "uhub.h"
#include "hubio.h"
// #define SEND_CHUNKS 1
/* FIXME: This should not be needed! */
extern struct hub_info* g_hub;
#ifdef DEBUG_SENDQ
static void debug_msg(const char* prefix, struct adc_message* msg)
{

2
src/core/hubio.h
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

14
src/core/netevent.c
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -53,22 +53,12 @@ void debug_sendq_recv(struct hub_user* user, int received, int max, const char*
}
#endif
int net_user_recv(void* ptr, void* buf, size_t len)
{
struct hub_user* user = (struct hub_user*) ptr;
int ret = net_con_recv(user->connection, buf, len);
#ifdef DEBUG_SENDQ
debug_sendq_recv(user, ret, len, buf);
#endif
return ret;
}
int handle_net_read(struct hub_user* user)
{
static char buf[MAX_RECV_BUF];
struct hub_recvq* q = user->recv_queue;
size_t buf_size = hub_recvq_get(q, buf, MAX_RECV_BUF);
ssize_t size = net_user_recv(user, &buf[buf_size], MAX_RECV_BUF - buf_size);
ssize_t size = net_con_recv(user->connection, buf, MAX_RECV_BUF);
if (size > 0)
buf_size += size;

2
src/core/netevent.h
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

4
src/core/probe.c
View File

@ -70,7 +70,7 @@ static void probe_net_event(struct net_connection* con, int events, void *arg)
{
probe->connection = 0;
}
net_con_ssl_handshake(con, NET_CON_SSL_MODE_SERVER);
net_con_ssl_handshake(con, net_con_ssl_mode_server, probe->hub->ssl_ctx);
}
else
{
@ -83,7 +83,7 @@ static void probe_net_event(struct net_connection* con, int events, void *arg)
{
LOG_TRACE("Probed TLS %d.%d connection", (int) probe_recvbuf[1], (int) probe_recvbuf[2]);
net_con_ssl_handshake(con, NET_CON_SSL_MODE_SERVER);
net_con_ssl_handshake(con, net_con_ssl_mode_server, probe->hub->ssl_ctx);
return;
}
#endif

39
src/network/backend.h Normal file
View File

@ -0,0 +1,39 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef HAVE_UHUB_NETWORK_BACKEND_H
#define HAVE_UHUB_NETWORK_BACKEND_H
/**
* Initialize the network backend.
* Returns 1 on success, or 0 on failure.
*/
extern int net_backend_initialize();
/**
* Shutdown the network connection backend.
*/
extern void net_backend_shutdown();
/**
* Process the network backend.
*/
extern int net_backend_process();
#endif /* HAVE_UHUB_NETWORK_BACKEND_H */

189
src/network/connection.c
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -18,6 +18,193 @@
*/
#include "uhub.h"
#include "network/common.h"
#ifdef SSL_SUPPORT
static int handle_openssl_error(struct net_connection* con, int ret)
{
uhub_assert(con);
int error = SSL_get_error(net_con_get_ssl(con), ret);
switch (error)
{
case SSL_ERROR_ZERO_RETURN:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_ZERO_RETURN", ret, error);
return -1;
case SSL_ERROR_WANT_READ:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_WANT_READ", ret, error);
net_con_update(con, NET_EVENT_READ | NET_WANT_SSL_READ);
return 0;
case SSL_ERROR_WANT_WRITE:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_WANT_WRITE", ret, error);
net_con_update(con, NET_EVENT_READ | NET_EVENT_WRITE | NET_WANT_SSL_WRITE);
return 0;
case SSL_ERROR_WANT_CONNECT:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_WANT_CONNECT", ret, error);
net_con_update(con, NET_EVENT_READ | NET_EVENT_WRITE | NET_WANT_SSL_CONNECT);
return 0;
case SSL_ERROR_WANT_ACCEPT:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_WANT_ACCEPT", ret, error);
net_con_update(con, NET_EVENT_READ | NET_EVENT_WRITE | NET_WANT_SSL_ACCEPT);
return 0;
case SSL_ERROR_WANT_X509_LOOKUP:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_WANT_X509_LOOKUP", ret, error);
return 0;
case SSL_ERROR_SYSCALL:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_SYSCALL", ret, error);
/* if ret == 0, connection closed, if ret == -1, check with errno */
if (ret == 0)
return -1;
else
return -net_error();
case SSL_ERROR_SSL:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_SSL", ret, error);
/* internal openssl error */
return -1;
}
return -1;
}
ssize_t net_con_ssl_accept(struct net_connection* con)
{
uhub_assert(con);
ssize_t ret = SSL_accept(net_con_get_ssl(con));
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("SSL_accept() ret=%d", ret);
#endif
if (ret > 0)
{
net_con_update(con, NET_EVENT_READ);
}
else
{
return handle_openssl_error(con, ret);
}
return ret;
}
ssize_t net_con_ssl_connect(struct net_connection* con)
{
uhub_assert(con);
ssize_t ret = SSL_connect(net_con_get_ssl(con));
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("SSL_connect() ret=%d", ret);
#endif
if (ret > 0)
{
net_con_update(con, NET_EVENT_READ);
}
else
{
return handle_openssl_error(con, ret);
}
return ret;
}
ssize_t net_con_ssl_handshake(struct net_connection* con, enum net_con_ssl_mode ssl_mode, SSL_CTX* ssl_ctx)
{
uhub_assert(con);
SSL* ssl = 0;
if (ssl_mode == net_con_ssl_mode_server)
{
ssl = SSL_new(ssl_ctx);
SSL_set_fd(ssl, net_con_get_sd(con));
net_con_set_ssl(con, ssl);
return net_con_ssl_accept(con);
}
else
{
ssl = SSL_new(SSL_CTX_new(TLSv1_method()));
SSL_set_fd(ssl, net_con_get_sd(con));
net_con_set_ssl(con, ssl);
return net_con_ssl_connect(con);
}
}
#endif /* SSL_SUPPORT */
ssize_t net_con_send(struct net_connection* con, const void* buf, size_t len)
{
int ret = net_send(net_con_get_sd(con), buf, len, UHUB_SEND_SIGNAL);
if (ret == -1)
{
if (net_error() == EWOULDBLOCK || net_error() == EINTR)
return 0;
return -1;
}
return ret;
}
ssize_t net_con_recv(struct net_connection* con, void* buf, size_t len)
{
uhub_assert(con);
#ifdef SSL_SUPPORT
if (!net_con_is_ssl(con))
{
#endif
int ret = net_recv(net_con_get_sd(con), buf, len, 0);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("net_recv: ret=%d", ret);
#endif
if (ret == -1)
{
if (net_error() == EWOULDBLOCK || net_error() == EINTR)
return 0;
return -net_error();
}
else if (ret == 0)
{
return -1;
}
return ret;
#ifdef SSL_SUPPORT
}
else
{
int ret = SSL_read(net_con_get_ssl(con), buf, len);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("net_recv: ret=%d", ret);
#endif
if (ret > 0)
{
net_con_update(con, NET_EVENT_READ);
}
else
{
return -handle_openssl_error(con, ret);
}
return ret;
}
#endif
}
ssize_t net_con_peek(struct net_connection* con, void* buf, size_t len)
{
int ret = net_recv(net_con_get_sd(con), buf, len, MSG_PEEK);
if (ret == -1)
{
if (net_error() == EWOULDBLOCK || net_error() == EINTR)
return 0;
return -net_error();
}
else if (ret == 0)
return -1;
return ret;
}

33
src/network/connection.h
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -21,6 +21,7 @@
#define HAVE_UHUB_NETWORK_CONNECTION_H
#include "uhub.h"
#include "network/backend.h"
#define NET_EVENT_TIMEOUT 0x0001
#define NET_EVENT_READ 0x0002
@ -29,32 +30,7 @@
#define NET_EVENT_CLOSED 0x2000 /* Socket closed */
struct net_connection;
struct net_timer;
struct net_backend;
/**
* Initialize the network backend.
* Returns 1 on success, or 0 on failure.
*/
extern int net_backend_initialize();
/**
* Shutdown the network connection backend.
*/
extern void net_backend_shutdown();
/**
* Process the network backend.
*/
extern int net_backend_process();
typedef void (*net_connection_cb)(struct net_connection*, int event, void* ptr);
typedef void (*net_timeout_cb)(struct net_timer*, void* ptr);
extern void net_timer_initialize(struct net_timer* timer, net_timeout_cb callback, void* ptr);
extern void net_timer_reset(struct net_timer* timer, int seconds);
extern void net_timer_shutdown(struct net_timer* timer);
extern int net_con_get_sd(struct net_connection* con);
extern void* net_con_get_ptr(struct net_connection* con);
@ -123,8 +99,11 @@ enum net_con_ssl_mode
net_con_ssl_mode_client,
};
extern ssize_t net_con_ssl_handshake(struct net_connection* con, enum net_con_ssl_mode, void* ssl_ctx);
extern ssize_t net_con_ssl_handshake(struct net_connection* con, enum net_con_ssl_mode, SSL_CTX* ssl_ctx);
extern int net_con_is_ssl(struct net_connection* con);
extern SSL* net_con_get_ssl(struct net_connection* con);
extern void net_con_set_ssl(struct net_connection* con, SSL*);
#endif /* SSL_SUPPORT */
#endif /* HAVE_UHUB_NETWORK_CONNECTION_H */

114
src/network/epoll.c
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -23,6 +23,7 @@
#include "network/connection.h"
#include "network/common.h"
#include "network/backend.h"
#define EPOLL_EVBUFFER 512
@ -34,6 +35,10 @@ struct net_connection
void* ptr;
struct epoll_event ev;
struct timeout_evt* timeout;
#ifdef SSL_SUPPORT
SSL* ssl;
size_t write_len; /** Length of last SSL_write(), only used if flags is NET_WANT_SSL_READ. */
#endif
};
struct net_backend
@ -49,7 +54,6 @@ struct net_backend
static struct net_backend* g_backend = 0;
static void net_con_print(const char* prefix, struct net_connection* con)
{
char buf[512];
@ -130,6 +134,7 @@ int net_backend_process()
struct net_connection* net_con_create()
{
struct net_connection* con = (struct net_connection*) hub_malloc_zero(sizeof(struct net_connection));
con->sd = -1;
return con;
}
@ -177,6 +182,28 @@ void net_con_update(struct net_connection* con, int events)
if (events & NET_EVENT_READ) con->ev.events |= EPOLLIN;
if (events & NET_EVENT_WRITE) con->ev.events |= EPOLLOUT;
#ifdef SSL_SUPPORT
if (events & NET_WANT_SSL_WRITE)
con->flags |= NET_WANT_SSL_WRITE;
else
con->flags &= ~NET_WANT_SSL_WRITE;
if (events & NET_WANT_SSL_READ)
con->flags |= NET_WANT_SSL_READ;
else
con->flags &= ~NET_WANT_SSL_READ;
if (events & NET_WANT_SSL_ACCEPT)
con->flags |= NET_WANT_SSL_ACCEPT;
else
con->flags &= ~NET_WANT_SSL_ACCEPT;
if (events & NET_WANT_SSL_CONNECT)
con->flags |= NET_WANT_SSL_CONNECT;
else
con->flags &= ~NET_WANT_SSL_CONNECT;
#endif /* SSL_SUPPORT */
if (epoll_ctl(g_backend->epfd, EPOLL_CTL_MOD, con->sd, &con->ev) == -1)
{
LOG_TRACE("epoll_ctl() modify failed.");
@ -212,6 +239,23 @@ int net_con_close(struct net_connection* con)
return 0;
}
#ifdef SSL_SUPPORT
int net_con_is_ssl(struct net_connection* con)
{
return con->ssl != 0;
}
SSL* net_con_get_ssl(struct net_connection* con)
{
return con->ssl;
}
void net_con_set_ssl(struct net_connection* con, SSL* ssl)
{
con->ssl = ssl;
}
#endif
int net_con_get_sd(struct net_connection* con)
{
@ -223,71 +267,6 @@ void* net_con_get_ptr(struct net_connection* con)
return con->ptr;
}
ssize_t net_con_send(struct net_connection* con, const void* buf, size_t len)
{
int ret = net_send(con->sd, buf, len, UHUB_SEND_SIGNAL);
if (ret == -1)
{
if (net_error() == EWOULDBLOCK || net_error() == EINTR)
return 0;
return -1;
}
return ret;
}
ssize_t net_con_recv(struct net_connection* con, void* buf, size_t len)
{
uhub_assert(con);
#ifdef SSL_SUPPORT
if (!con->ssl)
{
#endif
int ret = net_recv(con->sd, buf, len, 0);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("net_recv: ret=%d", ret);
#endif
if (ret == -1)
{
if (net_error() == EWOULDBLOCK || net_error() == EINTR)
return 0;
return -1;
}
return ret;
#ifdef SSL_SUPPORT
}
else
{
int ret = SSL_read(con->ssl, buf, len);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("net_recv: ret=%d", ret);
#endif
if (ret > 0)
{
con->last_recv = time(0);
net_con_flag_unset(con, NET_WANT_SSL_WRITE);
}
else
{
return handle_openssl_error(con, ret);
}
return ret;
}
#endif
}
ssize_t net_con_peek(struct net_connection* con, void* buf, size_t len)
{
int ret = net_recv(con->sd, buf, len, MSG_PEEK);
if (ret == -1)
{
if (net_error() == EWOULDBLOCK || net_error() == EINTR)
return 0;
return -1;
}
return ret;
}
void timeout_evt_initialize(struct timeout_evt*, timeout_evt_cb, void* ptr);
void timeout_evt_reset(struct timeout_evt*);
@ -324,5 +303,4 @@ void net_con_clear_timeout(struct net_connection* con)
}
}
#endif /* USE_EPOLL */

255
src/network/libevent.c
View File

@ -330,198 +330,6 @@ void net_timer_shutdown(struct net_timer* timer)
timer->ptr = 0;
}
#ifdef SSL_SUPPORT
static int handle_openssl_error(struct net_connection* con, int ret)
{
uhub_assert(con);
int error = SSL_get_error(con->ssl, ret);
switch (error)
{
case SSL_ERROR_ZERO_RETURN:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_ZERO_RETURN", ret, error);
return -1;
case SSL_ERROR_WANT_READ:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_WANT_READ", ret, error);
net_con_update(con, EV_READ);
net_con_flag_set(con, NET_WANT_SSL_READ);
return 0;
case SSL_ERROR_WANT_WRITE:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_WANT_WRITE", ret, error);
net_con_update(con, EV_READ | EV_WRITE);
net_con_flag_set(con, NET_WANT_SSL_WRITE);
return 0;
case SSL_ERROR_WANT_CONNECT:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_WANT_CONNECT", ret, error);
net_con_update(con, EV_READ | EV_WRITE);
net_con_flag_set(con, NET_WANT_SSL_CONNECT);
return 0;
case SSL_ERROR_WANT_ACCEPT:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_WANT_ACCEPT", ret, error);
net_con_update(con, EV_READ | EV_WRITE);
net_con_flag_set(con, NET_WANT_SSL_ACCEPT);
return 0;
case SSL_ERROR_WANT_X509_LOOKUP:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_WANT_X509_LOOKUP", ret, error);
return 0;
case SSL_ERROR_SYSCALL:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_SYSCALL", ret, error);
/* if ret == 0, connection closed, if ret == -1, check with errno */
if (ret == 0)
return -1;
else
return -net_error();
case SSL_ERROR_SSL:
LOG_PROTO("SSL_get_error: ret=%d, error=%d: SSL_ERROR_SSL", ret, error);
/* internal openssl error */
return -1;
}
return -1;
}
#endif
ssize_t net_con_send(struct net_connection* con, const void* buf, size_t len)
{
uhub_assert(con);
#ifdef SSL_SUPPORT
if (!con->ssl)
{
#endif
int ret = net_send(con->sd, buf, len, UHUB_SEND_SIGNAL);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("net_send: ret=%d", ret);
#endif
if (ret > 0)
{
con->last_send = time(0);
}
else if (ret == -1 && (net_error() == EWOULDBLOCK || net_error() == EINTR))
{
return 0;
}
else
{
return -1;
}
return ret;
#ifdef SSL_SUPPORT
}
else
{
if (net_con_flag_get(con, NET_WANT_SSL_READ) && con->write_len)
len = con->write_len;
int ret = SSL_write(con->ssl, buf, len);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("net_send: ret=%d", ret);
#endif
if (ret > 0)
{
con->last_send = time(0);
net_con_flag_unset(con, NET_WANT_SSL_READ);
con->write_len = 0;
}
else
{
con->write_len = len;
return handle_openssl_error(con, ret);
}
return ret;
}
#endif
}
ssize_t net_con_recv(struct net_connection* con, void* buf, size_t len)
{
uhub_assert(con);
#ifdef SSL_SUPPORT
if (!con->ssl)
{
#endif
int ret = net_recv(con->sd, buf, len, 0);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("net_recv: ret=%d", ret);
#endif
if (ret > 0)
{
con->last_recv = time(0);
}
else if (ret == -1 && (net_error() == EWOULDBLOCK || net_error() == EINTR))
{
return 0;
}
else
{
return -1;
}
return ret;
#ifdef SSL_SUPPORT
}
else
{
int ret = SSL_read(con->ssl, buf, len);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("net_recv: ret=%d", ret);
#endif
if (ret > 0)
{
con->last_recv = time(0);
net_con_flag_unset(con, NET_WANT_SSL_WRITE);
}
else
{
return handle_openssl_error(con, ret);
}
return ret;
}
#endif
}
ssize_t net_con_peek(struct net_connection* con, void* buf, size_t len)
{
uhub_assert(con);
#ifdef SSL_SUPPORT
if (!con->ssl)
{
#endif
int ret = net_recv(con->sd, buf, len, MSG_PEEK);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("net_recv: ret=%d (MSG_PEEK)", ret);
#endif
if (ret > 0)
{
con->last_recv = time(0);
}
else if (ret == -1 && (net_error() == EWOULDBLOCK || net_error() == EINTR))
{
return 0;
}
else
{
return -1;
}
return ret;
#ifdef SSL_SUPPORT
}
else
{
// FIXME: Not able to do this!
return 0;
}
#endif
}
void net_con_set_timeout(struct net_connection* con, int seconds)
{
@ -546,69 +354,6 @@ void net_con_clear_timeout(struct net_connection* con)
}
}
#ifdef SSL_SUPPORT
ssize_t net_con_ssl_accept(struct net_connection* con)
{
uhub_assert(con);
net_con_flag_set(con, NET_WANT_SSL_ACCEPT);
ssize_t ret = SSL_accept(con->ssl);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("SSL_accept() ret=%d", ret);
#endif
if (ret > 0)
{
net_con_flag_unset(con, NET_WANT_SSL_ACCEPT);
net_con_flag_unset(con, NET_WANT_SSL_READ);
}
else
{
return handle_openssl_error(con, ret);
}
return ret;
}
ssize_t net_con_ssl_connect(struct net_connection* con)
{
uhub_assert(con);
net_con_flag_set(con, NET_WANT_SSL_CONNECT);
ssize_t ret = SSL_connect(con->ssl);
#ifdef NETWORK_DUMP_DEBUG
LOG_PROTO("SSL_connect() ret=%d", ret);
#endif
if (ret > 0)
{
net_con_flag_unset(con, NET_WANT_SSL_CONNECT);
net_con_flag_unset(con, NET_WANT_SSL_WRITE);
}
else
{
return handle_openssl_error(con, ret);
}
return ret;
}
ssize_t net_con_ssl_handshake(struct net_connection* con, int ssl_mode)
{
uhub_assert(con);
if (ssl_mode == net_con_ssl_mode_server)
{
con->ssl = SSL_new(g_hub->ssl_ctx);
SSL_set_fd(con->ssl, con->sd);
return net_con_ssl_accept(con);
}
else
{
con->ssl = SSL_new(SSL_CTX_new(TLSv1_method()));
SSL_set_fd(con->ssl, con->sd);
return net_con_ssl_connect(con);
}
}
#endif /* SSL_SUPPORT */
static struct event_base g_evbase = 0;
/**

2
src/network/network.c
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
src/network/network.h
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

25
src/tools/adcclient.c
View File

@ -71,15 +71,9 @@ static void adc_cid_pid(struct ADC_client* client)
adc_msg_add_named_argument(client->info, ADC_INF_FLAG_CLIENT_ID, cid);
}
static void timer_callback(struct net_timer* t, void* arg)
{
}
static void event_callback(struct net_connection* con, int events, void *arg)
{
struct ADC_client* client = (struct ADC_client*) con->ptr;
struct ADC_client* client = (struct ADC_client*) net_con_get_ptr(con);
if (events == NET_EVENT_SOCKERROR || events == NET_EVENT_CLOSED)
{
@ -347,10 +341,16 @@ int ADC_client_create(struct ADC_client* client, const char* nickname, const cha
int sd = net_socket_create(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if (sd == -1) return -1;
client->con = hub_malloc(sizeof(struct net_connection));
client->timer = hub_malloc(sizeof(struct net_timer));
client->con = net_con_create();
#if 0
/* FIXME */
client->timer = 0; /* FIXME: hub_malloc(sizeof(struct net_timer)); */
#endif
net_con_initialize(client->con, sd, event_callback, client, 0);
#if 0
/* FIXME */
net_timer_initialize(client->timer, timer_callback, client);
#endif
ADC_client_set_state(client, ps_none);
client->nick = hub_strdup(nickname);
@ -362,7 +362,10 @@ int ADC_client_create(struct ADC_client* client, const char* nickname, const cha
void ADC_client_destroy(struct ADC_client* client)
{
ADC_client_disconnect(client);
#if 0
/* FIXME */
net_timer_shutdown(client->timer);
#endif
hub_free(client->timer);
adc_msg_free(client->info);
hub_free(client->nick);
@ -380,7 +383,7 @@ int ADC_client_connect(struct ADC_client* client, const char* address)
client->callback(client, ADC_CLIENT_CONNECTING, 0);
}
int ret = net_connect(client->con->sd, (struct sockaddr*) &client->addr, sizeof(struct sockaddr_in));
int ret = net_connect(net_con_get_sd(client->con), (struct sockaddr*) &client->addr, sizeof(struct sockaddr_in));
if (ret == 0 || (ret == -1 && net_error() == EISCONN))
{
ADC_client_on_connected(client);
@ -424,7 +427,7 @@ static void ADC_client_on_login(struct ADC_client* client)
void ADC_client_disconnect(struct ADC_client* client)
{
if (client->con && client->con->sd != -1)
if (client->con && net_con_get_sd(client->con) != -1)
{
net_con_close(client->con);
client->con = 0;

2
src/tools/adcclient.h
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

3
src/uhub.h
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -41,7 +41,6 @@
#define TIMEOUT_CONNECTED 15
#define TIMEOUT_HANDSHAKE 30
#define TIMEOUT_SENDQ 120
#define TIMEOUT_IDLE 7200
#define TIMEOUT_STATS 60
#define MAX_CID_LEN 39

2
src/util/timeout.c
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
src/util/timeout.h
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by