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This commit is contained in:
Joseph Henry
2017-04-14 17:23:28 -07:00
parent 3052f55d12
commit c65b609fb4
26 changed files with 1539 additions and 1330 deletions
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135
include/ZeroTierSDK.h
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@@ -1,5 +1,5 @@
/*
* ZeroTier One - Network Virtualization Everywhere
* ZeroTier SDK - Network Virtualization Everywhere
* Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
*
* This program is free software: you can redistribute it and/or modify
@@ -16,10 +16,6 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* This defines the external C++ API for the ZeroTier SDK's service
*/
#ifndef ZT_ZEROTIERSDK_H
#define ZT_ZEROTIERSDK_H
@@ -29,21 +25,21 @@
/* Defines */
/****************************************************************************/
#define SDK_MTU 1200 // FIXME: ZT_MAX_MTU, usually
#define UNIX_SOCK_BUF_SIZE 1024*1024
#define ZT_PHY_POLL_INTERVAL 50 // in ms
#define ZT_SDK_MTU ZT_MAX_MTU
#define ZT_PHY_POLL_INTERVAL 50 // ms
#define ZT_ACCEPT_RECHECK_DELAY 250 // ms (for blocking zts_accept() calls)
// picoTCP
#define MAX_PICO_FRAME_RX_BUF_SZ ZT_MAX_MTU * 128
// TCP
#define DEFAULT_TCP_TX_BUF_SZ 1024 * 1024
#define DEFAULT_TCP_RX_BUF_SZ 1024 * 1024
#define DEFAULT_TCP_TX_BUF_SOFTMAX DEFAULT_TCP_TX_BUF_SZ * 0.80
#define DEFAULT_TCP_TX_BUF_SOFTMIN DEFAULT_TCP_TX_BUF_SZ * 0.20
#define DEFAULT_TCP_RX_BUF_SOFTMAX DEFAULT_TCP_RX_BUF_SZ * 0.80
#define DEFAULT_TCP_RX_BUF_SOFTMIN DEFAULT_TCP_RX_BUF_SZ * 0.20
#define ZT_TCP_TX_BUF_SZ 1024 * 1024
#define ZT_TCP_RX_BUF_SZ 1024 * 1024
#define ZT_TCP_TX_BUF_SOFTMAX ZT_TCP_TX_BUF_SZ * 0.80
#define ZT_TCP_TX_BUF_SOFTMIN ZT_TCP_TX_BUF_SZ * 0.20
#define ZT_TCP_RX_BUF_SOFTMAX ZT_TCP_RX_BUF_SZ * 0.80
#define ZT_TCP_RX_BUF_SOFTMIN ZT_TCP_RX_BUF_SZ * 0.20
// UDP
#define DEFAULT_UDP_TX_BUF_SZ ZT_MAX_MTU
#define DEFAULT_UDP_RX_BUF_SZ ZT_MAX_MTU * 10
#define ZT_UDP_TX_BUF_SZ ZT_MAX_MTU
#define ZT_UDP_RX_BUF_SZ ZT_MAX_MTU * 10
#define ZT_SDK_RPC_DIR_PREFIX "rpc.d"
@@ -56,6 +52,8 @@
#define ZT_VER_STR_LEN 6
#define ZT_HOME_PATH_MAX_LEN 128
#define ZT_ERR_OK 0
/****************************************************************************/
/* Socket API Signatures */
/****************************************************************************/
@@ -68,8 +66,8 @@
#define ZT_RECVFROM_SIG int fd, void *buf, size_t len, int flags, struct sockaddr *addr, socklen_t *addrlen
#define ZT_RECVMSG_SIG int fd, struct msghdr *msg,int flags
#define ZT_SEND_SIG int fd, const void *buf, size_t len, int flags
#define ZT_WRITE_SIG int fd, const void *buf, size_t len
#define ZT_READ_SIG int fd, void *buf, size_t len
#define ZT_WRITE_SIG int fd, const void *buf, size_t len
#define ZT_SOCKET_SIG int socket_family, int socket_type, int protocol
#define ZT_CONNECT_SIG int fd, const struct sockaddr *addr, socklen_t addrlen
#define ZT_BIND_SIG int fd, const struct sockaddr *addr, socklen_t addrlen
@@ -230,16 +228,23 @@ int zts_socket(ZT_SOCKET_SIG);
int zts_connect(ZT_CONNECT_SIG);
/**
* Bind a socket to a local address
* Binds a socket to a specific address
* - To accept connections on a specific ZeroTier network you must
* use this bind call with an address which is associated with that network
*
* For instance, given the following networks:
* - nwid = 97afaf1963cc6a90 (10.9.0.0/24)
* - nwid = 23bfae5663c8b188 (192.168.0.0/24)
*
* In order to accept a connection on 97afaf1963cc6a90, you
* should bind to 10.9.0.0
*/
int zts_bind(ZT_BIND_SIG);
/**
* Accept a connection
* Listen for incoming connections
*/
#if defined(__linux__)
int zts_accept4(ZT_ACCEPT4_SIG);
#endif
int zts_listen(ZT_LISTEN_SIG);
/**
* Accept a connection
@@ -247,9 +252,11 @@ int zts_bind(ZT_BIND_SIG);
int zts_accept(ZT_ACCEPT_SIG);
/**
* Listen for incoming connections
* Accept a connection
*/
int zts_listen(ZT_LISTEN_SIG);
#if defined(__linux__)
int zts_accept4(ZT_ACCEPT4_SIG);
#endif
/**
* Set socket options
@@ -301,46 +308,32 @@ ssize_t zts_recvfrom(ZT_RECVFROM_SIG);
*/
ssize_t zts_recvmsg(ZT_RECVMSG_SIG);
/**
* Read bytes from socket onto buffer
* - Note, this function isn't strictly necessary, you can
* use a regular read() call as long as the socket fd was
* created via a zts_socket() call.
*/
int zts_read(ZT_READ_SIG);
/**
* Write bytes from buffer to socket
* - Note, this function isn't strictly necessary, you can
* use a regular write() call as long as the socket fd was
* created via a zts_socket() call.
*/
int zts_write(ZT_WRITE_SIG);
/****************************************************************************/
/* SocketTap Multiplexer Functionality --- DONT CALL THESE DIRECTLY */
/* - This section of the API is used to implement the general socket */
/* controls. Basically this is designed to handle socket provisioning */
/* requests when no SocketTap is yet initialized, and as a way to */
/* determine which SocketTap is to be used for a particular connect() or */
/* bind() call */
/* SDK Socket API Helper functions/objects --- DONT CALL THESE DIRECTLY */
/****************************************************************************/
namespace ZeroTier
{
class picoTCP;
struct Connection;
extern ZeroTier::picoTCP *picostack;
class picoTCP;
extern ZeroTier::picoTCP *picostack;
}
/**
* Creates a new Connection objects and keeps it in UnassignedConnections
* until a connect() or bind() call is made, at which point it is assigned
* to the appropriate SocketTap.
*/
int zts_multiplex_new_socket(ZT_SOCKET_SIG);
/**
* Given a file descriptor, looks up the relevant Connection object and then
* searches for a SocketTap with an appropriate route. Once found, the
* Connection object will be assigned to that SocketTap and a connection
* to the remote host will be attempted.
*/
int zts_multiplex_new_connect(ZT_CONNECT_SIG);
/**
*
*/
int zts_multiplex_new_bind(ZT_BIND_SIG);
/****************************************************************************/
/* SDK Socket API Helper functions --- DONT CALL THESE DIRECTLY */
/****************************************************************************/
/**
* Don't call this directly, use 'zts_start()'
*/
@@ -423,22 +416,22 @@ void *_start_service(void *thread_id);
#if ZT_DEBUG_LEVEL >= ZT_MSG_INFO
#if defined(__ANDROID__)
#define DEBUG_INFO(fmt, args...) ((void)__android_log_print(ANDROID_LOG_VERBOSE, ZT_LOG_TAG, \
"ZT_INFO : %14s:%4d:%20s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
"ZT_INFO : %16s:%4d:%20s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
#define DEBUG_BLANK(fmt, args...) ((void)__android_log_print(ANDROID_LOG_VERBOSE, ZT_LOG_TAG, \
"ZT_INFO : %14s:%4d:" fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
"ZT_INFO : %16s:%4d:" fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
#define DEBUG_ATTN(fmt, args...) ((void)__android_log_print(ANDROID_LOG_VERBOSE, ZT_LOG_TAG, \
"ZT_INFO : %14s:%4d:%25s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
"ZT_INFO : %16s:%4d:%25s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
#define DEBUG_STACK(fmt, args...) ((void)__android_log_print(ANDROID_LOG_VERBOSE, ZT_LOG_TAG, \
"ZT_STACK: %14s:%4d:%25s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
"ZT_STACK: %16s:%4d:%25s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
#else
#define DEBUG_INFO(fmt, args...) fprintf(stderr, \
"ZT_INFO [%ld] : %14s:%4d:%25s: " fmt "\n", ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
"ZT_INFO [%ld] : %16s:%4d:%25s: " fmt "\n", ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
#define DEBUG_ATTN(fmt, args...) fprintf(stderr, ZT_CYN \
"ZT_ATTN [%ld] : %14s:%4d:%25s: " fmt "\n" ZT_RESET, ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
"ZT_ATTN [%ld] : %16s:%4d:%25s: " fmt "\n" ZT_RESET, ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
#define DEBUG_STACK(fmt, args...) fprintf(stderr, ZT_YEL \
"ZT_STACK[%ld] : %14s:%4d:%25s: " fmt "\n" ZT_RESET, ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
"ZT_STACK[%ld] : %16s:%4d:%25s: " fmt "\n" ZT_RESET, ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
#define DEBUG_BLANK(fmt, args...) fprintf(stderr, \
"ZT_INFO [%ld] : %14s:%4d:" fmt "\n", ZT_THREAD_ID, ZT_FILENAME, __LINE__, ##args)
"ZT_INFO [%ld] : %16s:%4d:" fmt "\n", ZT_THREAD_ID, ZT_FILENAME, __LINE__, ##args)
#endif
#else
#define DEBUG_INFO(fmt, args...)
@@ -450,9 +443,9 @@ void *_start_service(void *thread_id);
#if ZT_DEBUG_LEVEL >= ZT_MSG_TRANSFER
#if defined(__ANDROID__)
#define DEBUG_TRANS(fmt, args...) ((void)__android_log_print(ANDROID_LOG_VERBOSE, ZT_LOG_TAG, \
"ZT_TRANS : %14s:%4d:%25s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
"ZT_TRANS : %16s:%4d:%25s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
#else
#define DEBUG_TRANS(fmt, args...) fprintf(stderr, ZT_GRN "ZT_TRANS[%ld] : %14s:%4d:%25s: " fmt \
#define DEBUG_TRANS(fmt, args...) fprintf(stderr, ZT_GRN "ZT_TRANS[%ld] : %16s:%4d:%25s: " fmt \
"\n" ZT_RESET, ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
#endif
#else
@@ -462,10 +455,10 @@ void *_start_service(void *thread_id);
#if ZT_DEBUG_LEVEL >= ZT_MSG_EXTRA
#if defined(__ANDROID__)
#define DEBUG_EXTRA(fmt, args...) ((void)__android_log_print(ANDROID_LOG_VERBOSE, ZT_LOG_TAG, \
"ZT_EXTRA : %14s:%4d:%25s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
"ZT_EXTRA : %16s:%4d:%25s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
#else
#define DEBUG_EXTRA(fmt, args...) fprintf(stderr, \
"ZT_EXTRA[%ld] : %14s:%4d:%25s: " fmt "\n", ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
"ZT_EXTRA[%ld] : %16s:%4d:%25s: " fmt "\n", ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
#endif
#else
#define DEBUG_EXTRA(fmt, args...)
@@ -474,9 +467,9 @@ void *_start_service(void *thread_id);
#if ZT_DEBUG_LEVEL >= ZT_MSG_FLOW
#if defined(__ANDROID__)
#define DEBUG_FLOW(fmt, args...) ((void)__android_log_print(ANDROID_LOG_VERBOSE, ZT_LOG_TAG, \
"ZT_FLOW : %14s:%4d:%25s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
"ZT_FLOW : %16s:%4d:%25s: " fmt "\n", ZT_FILENAME, __LINE__, __FUNCTION__, ##args))
#else
#define DEBUG_FLOW(fmt, args...) fprintf(stderr, "ZT_FLOW [%ld] : %14s:%4d:%25s: " fmt "\n", \
#define DEBUG_FLOW(fmt, args...) fprintf(stderr, "ZT_FLOW [%ld] : %16s:%4d:%25s: " fmt "\n", \
ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
#endif
#else