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Removed unnecessary dependency

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Joseph Henry 8 years ago
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0658fb623a
10 changed files with 0 additions and 3530 deletions
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  1. 339
      ext/pico_bsd/LICENSE
  2. 4
      ext/pico_bsd/README.md
  3. 1585
      ext/pico_bsd/pico_bsd_sockets.c
  4. 331
      ext/pico_bsd/pico_bsd_sockets.h
  5. 336
      ext/pico_bsd/pico_bsd_syscalls.h
  6. 45
      ext/pico_bsd/pico_osal.h
  7. 176
      ext/pico_bsd/pico_osal_freertos.c
  8. 166
      ext/pico_bsd/pico_osal_noos.c
  9. 119
      ext/pico_bsd/pico_osal_pthread.c
  10. 429
      ext/pico_bsd/pico_posix_wrapper.c

339
ext/pico_bsd/LICENSE
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc., <http://fsf.org/>
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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4
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picotcp-bsd
===========
BSD POSIX-compliant socket support for PicoTCP running on any OS.

1585
ext/pico_bsd/pico_bsd_sockets.c
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/*********************************************************************
PicoTCP. Copyright (c) 2013 TASS Belgium NV. Some rights reserved.
See LICENSE and COPYING for usage.
Do not redistribute without a written permission by the Copyright
holders.
Author: Maxime Vincent, Daniele Lacamera
*********************************************************************/
#ifndef PICO_BSD_SOCKETS_H_
#define PICO_BSD_SOCKETS_H_
#include <stdint.h>
#include <signal.h>
#include "pico_defines.h"
#include "pico_constants.h"
#include "pico_config.h"
#include "pico_stack.h"
#include "pico_icmp4.h"
#include "pico_stack.h"
#include "pico_ipv4.h"
#include "pico_ipv6.h"
#include "pico_dns_client.h"
#include "pico_socket.h"
#define SOCKSIZE 16
#define SOCKSIZE6 28
struct pico_bsd_endpoint;
extern void *picoLock;
extern void *pico_signal_tick;
#if defined STDSOCKET || defined __socklen_t_defined
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <fcntl.h>
#include <sys/poll.h>
#include <sys/time.h>
#ifdef __linux__
#include <linux/tcp.h>
#endif
static inline int sockopt_get_name(int posix_name)
{
switch (posix_name) {
case IP_MULTICAST_LOOP: return PICO_IP_MULTICAST_LOOP;
case IP_MULTICAST_TTL: return PICO_IP_MULTICAST_TTL;
case IP_MULTICAST_IF: return PICO_IP_MULTICAST_IF;
case IP_ADD_MEMBERSHIP: return PICO_IP_ADD_MEMBERSHIP;
case IP_DROP_MEMBERSHIP: return PICO_IP_DROP_MEMBERSHIP;
case SO_RCVBUF : return PICO_SOCKET_OPT_RCVBUF;
case SO_SNDBUF : return PICO_SOCKET_OPT_SNDBUF;
case TCP_NODELAY : return PICO_TCP_NODELAY;
case TCP_KEEPCNT : return PICO_SOCKET_OPT_KEEPCNT;
case TCP_KEEPIDLE : return PICO_SOCKET_OPT_KEEPIDLE;
case TCP_KEEPINTVL : return PICO_SOCKET_OPT_KEEPINTVL;
}
return -1;
}
#define pico_fd_set fd_set
#define PICO_FD_SET FD_SET
#define PICO_FD_CLR FD_CLR
#define PICO_FD_ISSET FD_ISSET
#define PICO_FD_ZERO FD_ZERO
#undef fcntl
#define fcntl pico_fcntl
#else
typedef int socklen_t;
#define AF_INET (PICO_PROTO_IPV4)
#define AF_INET6 (PICO_PROTO_IPV6)
#define SOCK_STREAM (PICO_PROTO_TCP)
#define SOCK_DGRAM (PICO_PROTO_UDP)
#define SOL_SOCKET (0x80)
#define IP_MULTICAST_LOOP (PICO_IP_MULTICAST_LOOP)
#define IP_MULTICAST_TTL (PICO_IP_MULTICAST_TTL)
#define IP_MULTICAST_IF (PICO_IP_MULTICAST_IF)
#define IP_ADD_MEMBERSHIP (PICO_IP_ADD_MEMBERSHIP)
#define IP_DROP_MEMBERSHIP (PICO_IP_DROP_MEMBERSHIP)
#define SO_RCVBUF (PICO_SOCKET_OPT_RCVBUF)
#define SO_SNDBUF (PICO_SOCKET_OPT_SNDBUF)
#define TCP_NODELAY (PICO_TCP_NODELAY)
#define TCP_KEEPCNT (PICO_SOCKET_OPT_KEEPCNT)
#define TCP_KEEPIDLE (PICO_SOCKET_OPT_KEEPIDLE)
#define TCP_KEEPINTVL (PICO_SOCKET_OPT_KEEPINTVL)
#define SO_ERROR (4103)
#define SO_REUSEADDR (2)
#define sockopt_get_name(x) ((x))
#define INET_ADDRSTRLEN (16)
#define INET6_ADDRSTRLEN (46)
struct sockaddr {
uint16_t sa_family;
};
struct in_addr {
uint32_t s_addr;
};
#define INADDR_ANY ((uint32_t)0U)
struct in6_addr {
uint8_t s6_addr[16];
};
struct __attribute__((packed)) sockaddr_in {
uint16_t sin_family;
uint16_t sin_port;
struct in_addr sin_addr;
uint8_t _pad[SOCKSIZE - 8];
};
struct __attribute__((packed)) sockaddr_in6 {
uint16_t sin6_family;
uint16_t sin6_port;
uint32_t sin6_flowinfo;
struct in6_addr sin6_addr;
uint32_t sin6_scope_id;
};
struct __attribute__((packed)) sockaddr_storage {
uint16_t ss_family;
uint8_t _pad[(SOCKSIZE6 - sizeof(uint16_t))];
};
/* getaddrinfo */
struct addrinfo {
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
socklen_t ai_addrlen;
struct sockaddr *ai_addr;
char *ai_canonname;
struct addrinfo *ai_next;
};
/* hostent */
struct hostent {
char *h_name; /* official name of host */
char **h_aliases; /* alias list */
int h_addrtype; /* host address type */
int h_length; /* length of address */
char **h_addr_list; /* list of addresses */
};
#define h_addr h_addr_list[0] /* for backward compatibility */
/* fd_set */
#ifndef FD_SETSIZE
#define FD_SETSIZE 64 /* 64 files max, 1 bit per file -> 64bits = 8 bytes */
#endif
struct pico_fd_set_s {
uint8_t fds_bits[FD_SETSIZE/8];
};
typedef struct pico_fd_set_s pico_fd_set;
#ifndef fd_set
#define fd_set pico_fd_set
#endif
//typedef void sigset_t;
#define PICO_FD_SET(n, p) ((p)->fds_bits[(n)/8] |= (1u << ((n) % 8)))
#define PICO_FD_CLR(n, p) ((p)->fds_bits[(n)/8] &= ~(1u << ((n) % 8)))
#define PICO_FD_ISSET(n, p) ((p)->fds_bits[(n)/8] & (1u << ((n) % 8)))
#define PICO_FD_ZERO(p) do{memset((p)->fds_bits, 0, sizeof(struct pico_fd_set_s));}while(0)
/* Not socket related */
#ifndef __time_t_defined
typedef pico_time time_t;
#define __time_t_defined
#endif
#if !defined _TIME_H && !defined _TIMEVAL_DEFINED && !defined _STRUCT_TIMEVAL
struct timeval {
time_t tv_sec;
time_t tv_usec;
};
#if !defined __timespec_defined && !defined _SYS__TIMESPEC_H_
struct timespec {
long tv_sec;
long tv_nsec;
};
#endif
struct timezone {
int tz_minuteswest; /* minutes west of Greenwich */
int tz_dsttime; /* type of DST correction */
};
#define _TIMEVAL_DEFINED
#endif
#endif /* STDSOCKET */
#ifndef SO_REUSEPORT
#define SO_REUSEPORT (15)
#endif
#ifndef FD_CLOEXEC
#define FD_CLOEXEC 1
#endif
#ifndef F_DUPFD
#define F_DUPFD 0
#endif
#ifndef F_GETFD
#define F_GETFD 1
#endif
#ifndef F_SETFD
#define F_SETFD 2
#endif
#ifndef F_GETFL
#define F_GETFL 3
#endif
#ifndef F_SETFL
#define F_SETFL 4
#endif
#ifndef O_NONBLOCK
#define O_NONBLOCK 0x4000
#endif
#ifndef _SYS_POLL_H
#define POLLIN 0x001 /* There is data to read. */
#define POLLPRI 0x002 /* There is urgent data to read. */
#define POLLOUT 0x004 /* Writing now will not block. */
#define POLLRDNORM 0x040 /* Normal data may be read. */
#define POLLRDBAND 0x080 /* Priority data may be read. */
#define POLLWRNORM 0x100 /* Writing now will not block. */
#define POLLWRBAND 0x200 /* Priority data may be written. */
#define POLLMSG 0x400
#define POLLREMOVE 0x1000
#define POLLRDHUP 0x2000
#define POLLERR 0x008 /* Error condition. */
#define POLLHUP 0x010 /* Hung up. */
#define POLLNVAL 0x020 /* Invalid polling request. */
typedef unsigned long int nfds_t;
struct pollfd {
int fd;
uint16_t events;
uint16_t revents;
};
#endif
int pico_newsocket(int domain, int type, int proto);
int pico_bind(int sd, struct sockaddr * local_addr, socklen_t socklen);
int pico_listen(int sd, int backlog);
int pico_connect(int sd, struct sockaddr *_saddr, socklen_t socklen);
int pico_isconnected(int sd);
int pico_accept(int sd, struct sockaddr *_orig, socklen_t *socklen);
int pico_sendto(int sd, void * buf, int len, int flags, struct sockaddr *_dst, socklen_t socklen);
int pico_recvfrom(int sd, void * buf, int len, int flags, struct sockaddr *_addr, socklen_t *socklen);
int pico_write(int sd, void * buf, int len);
int pico_send(int sd, void * buf, int len, int flags);
int pico_read(int sd, void * buf, int len);
int pico_recv(int sd, void * buf, int len, int flags);
int pico_close(int sd);
int pico_shutdown(int sd, int how);
int pico_getsockname(int sd, struct sockaddr * local_addr, socklen_t *socklen);
int pico_getpeername(int sd, struct sockaddr * remote_addr, socklen_t *socklen);
int pico_fcntl(int sd, int cmd, int arg);
int pico_join_multicast_group(int sd, const char *address, const char *local);
#ifdef PICO_SUPPORT_DNS_CLIENT
struct hostent *pico_gethostbyname(const char *name);
/* getaddrinfo */
int pico_getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints,
struct addrinfo **res);
void pico_freeaddrinfo(struct addrinfo *res);
#endif
int pico_setsockopt (int sockfd, int level, int optname, const void *optval, socklen_t optlen);
int pico_getsockopt (int sockfd, int level, int optname, void *optval, socklen_t *optlen);
int pico_select (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
int pico_pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, const struct timespec *timeout,
const sigset_t *sigmask);
int pico_poll (struct pollfd *pfd, nfds_t npfd, int timeout);
int pico_ppoll (struct pollfd *pfd, nfds_t npfd, const struct timespec *timeout_ts, const sigset_t *sigmask);
#ifndef PICO_SUPPORT_SNTP_CLIENT
struct pico_timeval
{
pico_time tv_sec;
pico_time tv_msec;
};
int pico_settimeofday(struct timeval *tv, struct timezone *tz);
#endif
int pico_gettimeofday(struct timeval *tv, struct timezone *tz);
long XTIME(void);
#define XGMTIME gmtime
/* arpa/inet.h */
const char *pico_inet_ntop (int af, const void *src, char *dst, socklen_t size);
char *pico_inet_ntoa (struct in_addr in);
/* Non-POSIX */
void pico_bsd_init(void);
void pico_bsd_deinit(void);
void pico_bsd_stack_tick(void);
void pico_bsd_stack_tick_timeout(int timeout_ms);
uint16_t pico_bsd_select(struct pico_bsd_endpoint *ep);
#ifdef REPLACE_STDCALLS
#include "pico_bsd_syscalls.h"
#endif
#endif /* PICO_BSD_SOCKETS_H_ */

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#ifndef PICO_BSD_SYSCALLS_H_
#define PICO_BSD_SYSCALLS_H_
#include "pico_bsd_sockets.h"
/* Cannot be included directly, expect from pico_bsd_sockets.h */
#if defined (__socklen_t_defined) && defined (REPLACE_STDCALLS)
/* For systems that have the syscalls already defined */
#ifdef socket
#undef socket
#endif
#define socket pico_newsocket
#ifdef bind
#undef bind
#endif
#define bind pico_bind
#ifdef listen
#undef listen
#endif
#define listen pico_listen
#ifdef connect
#undef connect
#endif
#define connect pico_connect
#ifdef accept
#undef accept
#endif
#define accept pico_accept
#ifdef sendto
#undef sendto
#endif
#define sendto pico_sendto
#ifdef recvfrom
#undef recvfrom
#endif
#define recvfrom pico_recvfrom
#ifdef write
#undef write
#endif
#define write pico_write
#ifdef read
#undef read
#endif
#define read pico_read
#ifdef send
#undef send
#endif
#define send pico_send
#ifdef recv
#undef recv
#endif
#define recv pico_recv
#ifdef close
#undef close
#endif
#define close pico_close
#ifdef shutdown
#undef shutdown
#endif
#define shutdown pico_shutdown
#ifdef getsockname
#undef getsockname
#endif
#define getsockname pico_getsockname
#ifdef getpeername
#undef getpeername
#endif
#define getpeername pico_getpeername
#ifdef setsockopt
#undef setsockopt
#endif
#define setsockopt pico_setsockopt
#ifdef getsockopt
#undef getsockopt
#endif
#define getsockopt pico_getsockopt
#ifdef gettimeofday
#undef gettimeofday
#endif
#define gettimeofday pico_gettimeofday
#ifdef gethostbyname
#undef gethostbyname
#endif
#define gethostbyname pico_gethostbyname
#ifdef getaddrinfo
#undef getaddrinfo
#endif
#define getaddrinfo pico_getaddrinfo
#ifdef freeaddrinfo
#undef freeaddrinfo
#endif
#define freeaddrinfo pico_freeaddrinfo
#ifdef htons
#undef htons
#endif
#define htons short_be
#ifdef htonl
#undef htonl
#endif
#define htonl long_be
#ifdef ntohs
#undef ntohs
#endif
#define ntohs short_be
#ifdef ntohl
#undef ntohl
#endif
#define ntohl long_be
#ifdef inet_ntoa
#undef inet_ntoa
#endif
#define inet_ntoa pico_inet_ntoa
#ifdef inet_ntop
#undef inet_ntop
#endif
#define inet_ntop pico_inet_ntop
#ifdef select
#undef select
#endif
#define select pico_select
#ifdef pselect
#undef pselect
#endif
#define pselect pico_pselect
#ifdef poll
#undef poll
#endif
#define poll pico_poll
#ifdef ppoll
#undef ppoll
#endif
#define ppoll pico_ppoll
#else
static inline int socket(int domain, int type, int proto)
{
return pico_newsocket(domain, type, proto);
}
static inline int bind(int sd, struct sockaddr * local_addr, socklen_t socklen)
{
return pico_bind(sd, local_addr, socklen);
}
static inline int listen(int sd, int backlog)
{
return pico_listen(sd, backlog);
}
static inline int connect(int sd, struct sockaddr *_saddr, socklen_t socklen)
{
return pico_connect(sd, _saddr, socklen);
}
static inline int accept(int sd, struct sockaddr *_orig, socklen_t *socklen)
{
return pico_accept(sd, _orig, socklen);
}
static inline int sendto(int sd, void * buf, int len, int flags, struct sockaddr *_dst, socklen_t socklen)
{
return pico_sendto(sd, buf, len, flags, _dst, socklen);
}
static inline int recvfrom(int sd, void * buf, int len, int flags, struct sockaddr *_addr, socklen_t *socklen)
{
return pico_recvfrom(sd, buf, len, flags, _addr, socklen);
}
static inline int write(int sd, void * buf, int len)
{
return pico_write(sd, buf, len);
}
static inline int send(int sd, void * buf, int len, int flags)
{
return pico_send(sd, buf, len, flags);
}
static inline int read(int sd, void * buf, int len)
{
return pico_read(sd, buf, len);
}
static inline int recv(int sd, void * buf, int len, int flags)
{
return pico_recv(sd, buf, len, flags);
}
static inline int close(int sd)
{
return pico_close(sd);
}
static inline int shutdown(int sd, int how)
{
return pico_shutdown(sd, how);
}
static inline int getsockname(int sd, struct sockaddr * local_addr, socklen_t *socklen)
{
return pico_getsockname(sd, local_addr, socklen);
}
static inline int getpeername(int sd, struct sockaddr * remote_addr, socklen_t *socklen)
{
return pico_getpeername(sd, remote_addr, socklen);
}
static inline int fcntl(int sd, int cmd, int arg)
{
return pico_fcntl(sd, cmd, arg);
}
#ifdef PICO_SUPPORT_DNS_CLIENT
static inline struct hostent *gethostbyname(const char *name)
{
return pico_gethostbyname(name);
}
static inline int getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res)
{
return pico_getaddrinfo(node, service, hints, res);
}
static inline void freeaddrinfo(struct addrinfo *res)
{
return pico_freeaddrinfo(res);
}
#endif
static inline int setsockopt(int sockfd, int level, int optname, const void *optval, socklen_t optlen)
{
return pico_setsockopt(sockfd, level, optname, optval, optlen);
}
static inline int getsockopt(int sockfd, int level, int optname, void *optval, socklen_t *optlen)
{
return pico_getsockopt(sockfd, level, optname, optval, optlen);
}
static inline int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
{
return pico_select(nfds, readfds, writefds, exceptfds, timeout);
}
static inline int pselect(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, const struct timespec *timeout, const sigset_t *sigmask)
{
return pico_pselect(nfds, readfds, writefds, exceptfds, timeout, sigmask);
}
static inline int poll(struct pollfd *pfd, nfds_t npfd, int timeout)
{
return pico_poll(pfd, npfd, timeout);
}
static inline int ppoll(struct pollfd *pfd, nfds_t npfd, const struct timespec *timeout_ts, const sigset_t *sigmask)
{
return pico_ppoll(pfd, npfd, timeout_ts, sigmask);
}
static int gettimeofday(struct timeval *tv, struct timezone *tz)
{
return pico_gettimeofday(tv, tz);
}
static int settimeofday(struct timeval *tv, struct timezone *tz)
{
return pico_settimeofday(tv, tz);
}
static inline const char *inet_ntop(int af, const void *src, char *dst, socklen_t size)
{
return pico_inet_ntop(af, src, dst, size);
}
static inline char *inet_ntoa(struct in_addr in)
{
return pico_inet_ntoa(in);
}
static inline uint32_t htonl(uint32_t le)
{
return long_be(le);
}
static inline uint32_t ntohl(uint32_t le)
{
return long_be(le);
}
static inline uint16_t htons(uint16_t le)
{
return short_be(le);
}
static inline uint16_t ntohs(uint16_t le)
{
return short_be(le);
}
#endif
#endif /* PICO_BSD_SYSCALLS_H_ */

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/*
* pico_osal.h
*
* Created on: December 2013
* Author: Maxime Vincent
* Description: OS Abstraction Layer between PicoTCP and FreeRTOS
*
*/
#ifndef _PICO_OSAL_H_
#define _PICO_OSAL_H_
/*****************************************************************************
* Public types/enumerations/variables
****************************************************************************/
/* Queue implementation API is: */
/* Posix version of thread */
typedef void* pico_thread_t;
typedef void *(*pico_thread_fn)(void *);
void * pico_mutex_init(void);
void pico_mutex_deinit(void * mutex);
void pico_mutex_lock(void * mutex);
int pico_mutex_lock_timeout(void * mutex, int timeout);
void pico_mutex_unlock(void * mutex);
void pico_mutex_unlock_ISR(void * mutex);
void * pico_signal_init(void);
void pico_signal_deinit(void * signal);
void pico_signal_wait(void * signal);
int pico_signal_wait_timeout(void * signal, int timeout);
void pico_signal_send(void * signal);
void pico_signal_send_ISR(void * signal);
pico_thread_t pico_thread_create(pico_thread_fn thread, void *arg, int stack_size, int prio);
void pico_thread_destroy(pico_thread_t t);
void pico_msleep(int ms);
void pico_threads_schedule(void);
#endif /* _PICO_OSAL_H_ */

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/*
* pico_osal.h
*
* Created on: December 2013
* Author: Maxime Vincent
* Description: OS Abstraction Layer between PicoTCP and FreeRTOS
*
*/
/* FreeRTOS includes */
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"
#include "portmacro.h"
/* PicoTCP includes */
#include "pico_defines.h"
#include "pico_config.h"
#include "pico_osal.h"
#define osal_dbg(...)
//#define osal_dbg(...) printf(__VA_ARGS__)
/*****************************************************************************
* Public functions
****************************************************************************/
struct osal_mutex {
void * mutex;
uint8_t idx; /* only to keep track of the amount/idx, no real function .. */
};
static uint8_t mtx_number = 0;
/* ============= */
/* == SIGNALS == */
/* ============= */
void * pico_signal_init(void)
{
struct osal_mutex *signal;
signal = pico_zalloc(sizeof(struct osal_mutex));
osal_dbg("mi: %p for %p\n", signal, __builtin_return_address(0));
if (!signal)
return NULL;
signal->mutex= xSemaphoreCreateBinary();
signal->idx = mtx_number++;
return signal;
}
void pico_signal_deinit(void * signal)
{
struct osal_mutex * mtx = signal;
vSemaphoreDelete(mtx->mutex);
pico_free(signal);
}
void pico_signal_wait(void * signal)
{
pico_signal_wait_timeout(signal, (int)portMAX_DELAY);
}
int pico_signal_wait_timeout(void * signal, int timeout)
{
int retval = 0;
if(signal != NULL)
{
struct osal_mutex * mtx = signal;
if (timeout == portMAX_DELAY) {
while (xSemaphoreTake(mtx->mutex, portMAX_DELAY) == pdFALSE);
} else {
retval = xSemaphoreTake(mtx->mutex, timeout);
}
}
if (retval) {
return 0; /* Success */
} else {
return -1; /* Timeout */
}
}
void pico_signal_send(void * signal)
{
if(signal != NULL)
{
struct osal_mutex * mtx = signal;
xSemaphoreGive(mtx->mutex);
}
}
void pico_signal_send_ISR(void * signal)
{
if(signal != NULL)
{
struct osal_mutex * mtx = signal;
long task_switch_needed = 0;
xSemaphoreGiveFromISR(mtx->mutex, &task_switch_needed);
portYIELD_FROM_ISR(task_switch_needed);
}
}
/* ============= */
/* == MUTEXES == */
/* ============= */
void *pico_mutex_init(void)
{
struct osal_mutex *mutex;
mutex = pico_zalloc(sizeof(struct osal_mutex));
osal_dbg("mi: %p for %p\n", mutex, __builtin_return_address(0));
if (!mutex)
return NULL;
mutex->mutex = xSemaphoreCreateMutex();
mutex->idx = mtx_number++;
return mutex;
}
void pico_mutex_deinit(void * mutex)
{
pico_signal_deinit(mutex);
}
int pico_mutex_lock_timeout(void * mutex, int timeout)
{
return pico_signal_wait_timeout(mutex, timeout);
}
void pico_mutex_lock(void * mutex)
{
pico_signal_wait_timeout(mutex, (int)portMAX_DELAY);
}
void pico_mutex_unlock(void * mutex)
{
pico_signal_send(mutex);
}
void pico_mutex_unlock_ISR(void * mutex)
{
pico_signal_send_ISR(mutex);
}
/* ============= */
/* == THREADS == */
/* ============= */
static char thread_name[4] = "T";
static int thread_n = 0;
pico_thread_t pico_thread_create(pico_thread_fn thread, void *arg, int stack_size, int prio)
{
pico_thread_t t = PICO_ZALLOC(sizeof(TaskHandle_t));
if (!t)
return NULL;
thread_name[2] = (thread_n++) % 10;
thread_name[3] = 0;
xTaskCreate((TaskFunction_t)thread, thread_name, stack_size, arg, prio, t);
return t;
}
void pico_thread_destroy(pico_thread_t t)
{
vTaskDelete((TaskHandle_t)t);
PICO_FREE(t);
}
void pico_msleep(int ms)
{
vTaskDelay(ms);
}
void pico_threads_schedule(void)
{
vTaskStartScheduler();
}

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/*
* pico_osal.h
*
* Created on: December 2014
* Author: Maxime Vincent
* Description: OS Abstraction Layer between PicoTCP and No Operating System
*
*/
/* PicoTCP includes */
#include "pico_defines.h"
#include "pico_config.h"
#include "pico_stack.h"
#include "pico_osal.h"
#define osal_dbg(...)
//#define osal_dbg(...) printf(__VA_ARGS__)
/*****************************************************************************
* Public functions
****************************************************************************/
/* ============= */
/* == MUTEXES == */
/* ============= */
struct osal_mutex {
volatile int want_to_take; /* for ISR safety, basically a mutex for the mutex */
volatile int mutex;
int idx; /* only to keep track of the amount/idx, no real function .. */
};
static uint8_t mtx_number = 0;
void * pico_mutex_init(void)
{
struct osal_mutex * mutex;
mutex = pico_zalloc(sizeof(struct osal_mutex));
osal_dbg("mi: %p for %p\n", mutex, __builtin_return_address(0));
if (!mutex)
return NULL;
mutex->mutex = 1;
mutex->idx = mtx_number++;
return mutex;
}
void pico_mutex_deinit(void * mutex)
{
struct osal_mutex * mtx = mutex;
pico_free(mutex);
}
int pico_mutex_lock_timeout(void * mutex, int timeout)
{
int retval = 0;
if(mutex != NULL)
{
struct osal_mutex * mtx = mutex;
pico_time timestamp = PICO_TIME_MS();
while (mtx->mutex == 0)
{
pico_stack_tick();
#ifdef _POSIX_VERSION
usleep(500);
#endif
/* break on timeout unless infinite timeout */
if ((timeout != -1) && (PICO_TIME_MS() > (timestamp + timeout)))
break;
}
if (mtx->mutex == 1)
{
mtx->mutex = 0; /* take the mutex */
}
else
{
retval = -1; /* timeout */
}
}
return retval;
}
void pico_mutex_lock(void * mutex)
{
pico_mutex_lock_timeout(mutex, -1);
}
void pico_mutex_unlock(void * mutex)
{
if(mutex != NULL)
{
struct osal_mutex * mtx = mutex;
mtx->mutex = 1;
}
}
void pico_mutex_unlock_ISR(void * mutex)
{
if(mutex != NULL)
{
struct osal_mutex * mtx = mutex;
// tricky stuff needed or not?
mtx->mutex = 1;
}
}
/* ============= */
/* == SIGNALS == */
/* ============= */
void * pico_signal_init(void)
{
void * signal = pico_mutex_init();
pico_mutex_lock(signal);
return signal;
}
void pico_signal_deinit(void * signal)
{
pico_mutex_deinit(signal);
}
void pico_signal_wait(void * signal)
{
pico_signal_wait_timeout(signal, -1);
}
int pico_signal_wait_timeout(void * signal, int timeout)
{
return pico_mutex_lock_timeout(signal, timeout);
}
void pico_signal_send(void * signal)
{
pico_mutex_unlock(signal);
}
void pico_signal_send_ISR(void * signal)
{
pico_mutex_unlock_ISR(signal);
}
/* ============= */
/* == THREADS == */
/* ============= */
pico_thread_t pico_thread_create(pico_thread_fn thread, void *arg, int stack_size, int prio)
{
(void)thread;
(void)arg;
(void)stack_size;
(void)prio;
return NULL;
}
void pico_thread_destroy(pico_thread_t t)
{
return;
}
void pico_msleep(int ms)
{
pico_time now = PICO_TIME_MS();
while ((pico_time)(now + ms) < PICO_TIME_MS());
}

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/* Pthread osal implementation, for testing purposes */
#include <pthread.h>
#include "pico_defines.h"
#include "pico_stack.h"
#include "pico_osal.h"
#include <semaphore.h>
#include <time.h>
#define BILLION 1000000000
void * pico_mutex_init(void) {
pthread_mutex_t *mutex = pico_zalloc(sizeof(pthread_mutex_t));
if (!mutex)
return NULL;
if (pthread_mutex_init(mutex, NULL) == 0 )
return mutex;
pico_free(mutex);
return NULL;
}
void pico_mutex_deinit(void * mutex)
{
pthread_mutex_destroy((pthread_mutex_t *)mutex);
pico_free(mutex);
}
void pico_mutex_lock(void * mutex)
{
pthread_mutex_lock((pthread_mutex_t *)mutex);
}
int pico_mutex_lock_timeout(void *mutex, int timeout)
{
if (timeout < 0) {
return pthread_mutex_lock((pthread_mutex_t *)mutex);
} else {
struct timespec ts = { timeout / 1000, (timeout % 1000) * 1000000 };
return pthread_mutex_timedlock((pthread_mutex_t *)mutex, &ts);
}
}
void pico_mutex_unlock(void * mutex)
{
pthread_mutex_unlock((pthread_mutex_t *)mutex);
}
void * pico_signal_init(void)
{
sem_t *sem = pico_zalloc(sizeof(pthread_mutex_t));
if (!sem)
return NULL;
if (sem_init(sem, 0, 0) == 0)
return sem;
pico_free(sem);
return NULL;
}
void pico_signal_deinit(void * signal)
{
sem_destroy((sem_t *) signal);
}
void pico_signal_wait(void * signal)
{
sem_wait((sem_t *) signal);
}
int pico_signal_wait_timeout(void * signal, int timeout)
{
if (timeout < 0) {
return sem_wait((sem_t *) signal);
} else {
struct timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
ts.tv_sec += (timeout / 1000);
ts.tv_nsec += ((timeout % 1000) * 1000000);
if (ts.tv_nsec >= BILLION) {
ts.tv_nsec -= BILLION;
ts.tv_sec++;
}
return sem_timedwait((sem_t *) signal, &ts);
}
}
void pico_signal_send(void * signal)
{
sem_post((sem_t *) signal);
}
pico_thread_t pico_thread_create(pico_thread_fn thread, void *arg, int stack_size, int prio)
{
pico_thread_t t = PICO_ZALLOC(sizeof(pthread_t));
if (!t)
return NULL;
(void)stack_size;
(void)prio;
pthread_create((pthread_t *)t, NULL, thread, arg);
pthread_detach(*((pthread_t *)t));
}
void pico_thread_destroy(pico_thread_t t)
{
pthread_cancel(*((pthread_t *)t));
PICO_FREE(t);
}
void pico_msleep(int ms)
{
struct timespec ts = { ms / 1000, (ms % 1000) * 1000000 };
nanosleep(&ts, NULL);
}
void pico_threads_schedule(void)
{
while (1 < 2)
pico_msleep(1000);
}

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#include "pico_bsd_sockets.h"
#define _GNU_SOURCE
#define __GNU_SOURCE
#define __USE_GNU
#include <dlfcn.h>
#include <stdio.h>
#include "pico_ipv4.h"
#include "pico_ipv6.h"
#include "pico_stack.h"
#include "pico_socket.h"
#include "pico_dev_vde.h"
#include <fcntl.h>
#include <pthread.h>
#include <libvdeplug.h>
#include <errno.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/poll.h>
#include <pthread.h>
#include <sys/poll.h>
#include <sys/select.h>
static __thread int in_the_stack = 0;
static int initialized = 0;
#define ptsock_dbg printf
#define swap_socketcall(call, name) \
{ \
const char *msg; \
if (host_##call == NULL) { \
*(void **)(&host_##call) = dlsym(RTLD_NEXT, name); \
if ((msg = dlerror()) != NULL) \
fprintf (stderr, "%s: dlsym(%s): %s\n", "picotcp", name, msg); \
} \
}
#define conditional_steal_call(call, i, ...) \
if(in_the_stack) { \
return host_##call(i, ## __VA_ARGS__); \
} else { \
if (get_pico_fd(i) > -1) { \
int __pico_retval = pico_##call(get_pico_fd(i), ## __VA_ARGS__); \
if (__pico_retval != 0) \
errno = pico_err; \
return __pico_retval; \
}else { \
return host_##call(i, ## __VA_ARGS__); \
} \
}
static int max_fd = 0;
static int *pico_fds = NULL;
static int remap_fd(int pico_fd)
{
int new_fd = open("/dev/zero", O_RDONLY);
int old_max = max_fd;
int i;
if (new_fd < 0) {
abort();
}
if (max_fd < new_fd + 1)
max_fd = new_fd + 1;
if (pico_fds == NULL) {
pico_fds = malloc(sizeof(int) * max_fd);
for (i = 0; i < max_fd; i++)
pico_fds[i] = -1;
pico_fds[new_fd] = pico_fd;
return new_fd;
}
pico_fds = realloc(pico_fds, sizeof(int) * max_fd);
for (i = old_max; i < max_fd; i++)
pico_fds[i] = -1;
pico_fds[new_fd] = pico_fd;
return new_fd;
}
static int get_pico_fd(int j)
{
if (j >= max_fd)
return -1;
return pico_fds[j];
}
static int (*host_socket ) (int domain, int type, int protocol) = NULL;
static int (*host_bind ) (int sockfd, const struct sockaddr *addr, socklen_t addrlen);
static int (*host_connect ) (int sockfd, const struct sockaddr *addr, socklen_t addrlen);
static int (*host_accept ) (int sockfd, struct sockaddr *addr, socklen_t *addrlen);
static int (*host_listen ) (int sockfd, int backlog);
static ssize_t (*host_recvfrom) (int sockfd, void *buf, size_t len, int flags, struct sockaddr *addr, int *addrlen);
static ssize_t (*host_recv ) (int sockfd, void *buf, size_t len, int flags);
static ssize_t (*host_read ) (int sockfd, void *buf, size_t len);
static ssize_t (*host_sendto ) (int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *addr, socklen_t addrlen);
static ssize_t (*host_send ) (int sockfd, void *buf, size_t len, int flags);
static ssize_t (*host_write ) (int sockfd, const void *buf, size_t len);
static int (*host_close ) (int sockfd);
static int (*host_shutdown) (int sockfd, int how);
static int (*host_setsockopt) (int sockfd, int level, int optname, const void *optval, socklen_t optlen);
static int (*host_getsockopt) (int sockfd, int level, int optname, void *optval, socklen_t *optlen);
int getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints,
struct addrinfo **res);
void freeaddrinfo(struct addrinfo *res);
static int (*host_getaddrinfo) (const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res);
static int (*host_freeaddrinfo) (struct addrinfo *res);
static int (*host_poll) (struct pollfd *pfd, nfds_t npfd, int timeout);
static int (*host_ppoll) (struct pollfd *pfd, nfds_t npfd, const struct timespec *timeout_ts, const sigset_t *sigmask);
static int (*host_select) (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
static int (*host_pselect) (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, const struct timespec *timeout,
const sigset_t *sigmask);
int socket(int domain, int type, int protocol)
{
int new_sd, posix_fd = -1;
ptsock_dbg ("Called Socket (pid=%d) in_the_stack=%d\n", getpid(), in_the_stack);
if (in_the_stack)
return host_socket(domain, type, protocol);
if ((domain != AF_INET) && (domain != AF_INET6)) {
return host_socket(domain, type, protocol);
}
new_sd = pico_newsocket(domain, type, protocol);
if (new_sd < 0) {
ptsock_dbg("socket() call failed.\n");
abort();
}
posix_fd = remap_fd(new_sd);
ptsock_dbg ("Socket stolen, sd=%d, fd = %d\n", new_sd, posix_fd);
return posix_fd;
}
int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
{
conditional_steal_call(bind, sockfd, addr, addrlen);
}
int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
{
conditional_steal_call(connect, sockfd, addr, addrlen);
}
int accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen)
{
if(in_the_stack) {
return host_accept(sockfd, addr, addrlen);
} else {
int posix_fd, new_sd, listen_sd = get_pico_fd(sockfd);
if (listen_sd < 0) {
return host_accept(sockfd, addr, addrlen);
}
new_sd = pico_accept(listen_sd, addr, addrlen);
if (new_sd < 0)
return -1;
posix_fd = remap_fd(new_sd);
ptsock_dbg ("Socket accepted, sd=%d, fd = %d\n", new_sd, posix_fd);
return posix_fd;
}
}
int listen(int sockfd, int backlog)
{
conditional_steal_call(listen, sockfd, backlog);
}
ssize_t recv(int sockfd, void *buf, size_t len, int flags)
{
conditional_steal_call(recvfrom, sockfd, buf, len, flags, 0, 0);
}
ssize_t recvfrom(int sockfd, void *buf, size_t len, int flags, struct sockaddr *addr, socklen_t *addrlen)
{
conditional_steal_call(recvfrom, sockfd, buf, len, flags, addr, addrlen);
}
ssize_t read(int sockfd, void *buf, size_t len)
{
conditional_steal_call(read, sockfd, buf, len);
}
ssize_t send(int sockfd, const void *buf, size_t len, int flags)
{
conditional_steal_call(sendto, sockfd, buf, len, flags, 0, 0);
}
ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *addr, socklen_t addrlen)
{
conditional_steal_call(sendto, sockfd, buf, len, flags, addr, addrlen);
}
ssize_t write(int sockfd, const void *buf, size_t len)
{
conditional_steal_call(write, sockfd, buf, len);
}
int close(int sockfd)
{
int pico_sd;
if (in_the_stack)
return host_close(sockfd);
pico_sd = get_pico_fd(sockfd);
if (pico_sd < 0)
return host_close(sockfd);
pico_close(pico_sd);
pico_fds[sockfd] = -1;
return 0;
}
int shutdown(int sockfd, int how)
{
int pico_sd;
if (in_the_stack)
return host_shutdown(sockfd, how);
pico_sd = get_pico_fd(sockfd);
if (pico_sd < 0)
return host_shutdown(sockfd, how);
if (how != SHUT_WR)
pico_fds[sockfd] = -1;
pico_shutdown(pico_sd, how);
return 0;
}
int setsockopt (int sockfd, int level, int optname, const void *optval, socklen_t optlen)
{
conditional_steal_call(setsockopt, sockfd, level, optname, optval, optlen);
}
int getsockopt (int sockfd, int level, int optname, void *optval, socklen_t *optlen)
{
conditional_steal_call(getsockopt, sockfd, level, optname, optval, optlen);
}
int poll(struct pollfd *pfd, nfds_t npfd, int timeout)
{
if(in_the_stack) {
return host_poll(pfd, npfd, timeout);
} else {
int i, j = 0;
struct pollfd pico_pfd[npfd];
for (i = 0; i < npfd; i++) {
pico_pfd[j].fd = get_pico_fd(pfd[i].fd);
if (pico_pfd[j].fd >= 0) {
j++;
pico_pfd[j].events = pfd[i].events;
}
}
if (j > 0) {
int pico_retval = pico_poll(pico_pfd, j, timeout);
if (pico_retval < 0)
errno = pico_err;
return pico_retval;
} else {
errno = EINVAL;
return -1;
}
}
}
int ppoll(struct pollfd *pfd, nfds_t npfd, const struct timespec *timeout_ts, const sigset_t *sigmask)
{
if(in_the_stack) {
return host_ppoll(pfd, npfd, timeout_ts, sigmask);
} else {
int i, j = 0;
struct pollfd pico_pfd[npfd];
for (i = 0; i < npfd; i++) {
pico_pfd[j].fd = get_pico_fd(pfd[i].fd);
if (pico_pfd[j].fd >= 0) {
j++;
pico_pfd[j].events = pfd[i].events;
}
}
if (j > 0) {
int pico_retval = pico_ppoll(pico_pfd, j, timeout_ts, NULL);
if (pico_retval < 0)
errno = pico_err;
return pico_retval;
} else {
errno = EINVAL;
return -1;
}
}
}
int pselect(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, const struct timespec *timeout, const sigset_t *sigmask)
{
pico_fd_set rs, ws, es;
int pico_retval = -1;
PICO_FD_ZERO(&rs);
PICO_FD_ZERO(&ws);
PICO_FD_ZERO(&es);
if(in_the_stack) {
return host_pselect(nfds, readfds, writefds, exceptfds, timeout, sigmask);
} else {
int i, max = -1;
for (i = 0; i < nfds; i++) {
int picofd = get_pico_fd(i);
if (picofd >= 0) {
if (FD_ISSET(i, readfds))
PICO_FD_SET(picofd, &rs);
if (FD_ISSET(i, writefds))
PICO_FD_SET(picofd, &ws);
if (FD_ISSET(i, exceptfds))
PICO_FD_SET(picofd, &es);
}
if (picofd > max)
max = picofd;
}
if (max < 0) {
errno = EINVAL;
return -1;
}
max++;
pico_retval = pico_pselect(max, &rs, &ws, &es, timeout, NULL);
if (pico_retval < 0)
errno = pico_err;
else {
for(i = 0; i < nfds; i++) {
int picofd = get_pico_fd(i);
FD_CLR(i, readfds);
FD_CLR(i, writefds);
FD_CLR(i, exceptfds);
if (picofd >= 0) {
if (FD_ISSET(picofd, &rs))
FD_SET(i, readfds);
if (FD_ISSET(picofd, &ws))
FD_SET(i, writefds);
if (FD_ISSET(picofd, &es))
FD_SET(i, exceptfds);
}
}
}
return pico_retval;
}
}
int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
{
if(in_the_stack) {
return host_select(nfds, readfds, writefds, exceptfds, timeout);
} else {
if (timeout) {
const struct timespec ts = {timeout->tv_sec, timeout->tv_usec * 1000};
return pselect(nfds, readfds, writefds, exceptfds, &ts, NULL);
} else {
return pselect(nfds, readfds, writefds, exceptfds, NULL, NULL);
}
}
}
void *pico_tick_thread(void *arg) {
struct pico_ip4 addr, netmask, gateway, zero = {};
struct pico_device *vde;
struct pico_ip4 v4_ip_host, v4_ip_route;
struct pico_ip4 v4_mask;
struct pico_ip4 v4_zero={}, v4_gateway;
struct pico_ip6 v6_public;
struct pico_ip6 v6_netmask = {0xff,0xff,};
struct pico_device *tun;
in_the_stack = 1;
pico_bsd_init();
pico_stack_init();
tun = (struct pico_device *) pico_tun_create("psx0");
if (!tun)
abort();
pico_string_to_ipv4("192.168.2.150",&v4_ip_host.addr);
pico_string_to_ipv4("192.168.2.1",&v4_ip_route.addr);
pico_string_to_ipv4("255.255.0.0",&v4_mask.addr);
pico_string_to_ipv4("192.168.2.1",&v4_gateway.addr);
pico_string_to_ipv6("7a55::150",v6_public.addr);
pico_ipv4_link_add(tun, v4_ip_host, v4_mask);
pico_ipv4_route_add(v4_ip_route, v4_mask, v4_gateway, 1, NULL);
pico_ipv6_link_add(tun, v6_public, v6_netmask);
for (;;) {
pico_bsd_stack_tick();
usleep(1000);
}
}
int __attribute__((constructor)) pico_wrapper_start(void)
{
pthread_t ticker;
if (initialized++)
return 0;
printf("Stealing all your system calls, please wait...\n");
swap_socketcall(socket , "socket");
swap_socketcall(bind , "bind");
swap_socketcall(connect , "connect");
swap_socketcall(accept , "accept");
swap_socketcall(listen , "listen");
swap_socketcall(recvfrom, "recvfrom");
swap_socketcall(recv , "recv");
swap_socketcall(read , "read");
swap_socketcall(sendto , "sendto");
swap_socketcall(send , "send");
swap_socketcall(write , "write");
swap_socketcall(close , "close");
swap_socketcall(shutdown, "shutdown");
swap_socketcall(setsockopt, "setsockopt");
swap_socketcall(getaddrinfo, "getaddrinfo");
swap_socketcall(freeaddrinfo, "freeaddrinfo");
swap_socketcall(poll, "poll");
swap_socketcall(ppoll, "ppoll");
swap_socketcall(select, "select");
swap_socketcall(pselect, "pselect");
pthread_create(&ticker, NULL, pico_tick_thread, NULL);
sleep(1);
return 0;
}
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