diff options
Diffstat (limited to 'erts/emulator/drivers/common/inet_drv.c')
-rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 712 |
1 files changed, 16 insertions, 696 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 89011d89ad..f910b5955a 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -94,10 +94,6 @@ typedef unsigned long long llu_t; #define INT16_MAX (32767) #endif -#ifdef __OSE__ -#include "inet.h" -#endif - #ifdef __WIN32__ #define STRNCASECMP strncasecmp @@ -298,139 +294,7 @@ static unsigned long one_value = 1; #define TCP_SHUT_RD SD_RECEIVE #define TCP_SHUT_RDWR SD_BOTH -#elif defined (__OSE__) - -/* - * Some notes about how inet (currently only tcp) works on OSE. - * The driver uses OSE signals to communicate with the one_inet - * process. Because of the difference in how signals and file descriptors - * work the whole select/deselect mechanic is very different. - * In ose when a sock_select is done a function is called. That function - * notes the changes that the driver want to do, but does not act on it. - * later when the function returns the new desired state is compared - * to the previous state and the apprioriate actions are taken. The action - * is usually to either request more data from the stack or stop requesting - * data. - * - * One thing to note is that the driver never does select/deselect. It always - * listens for the signals. Flow of data is regulated by sending or not sending - * signals to the ose inet process. - * - * The interesting functions to look at are: - * * inet_driver_select : called when sock_select is called - * * tcp_inet_ose_dispatch_signal : checks state changes and sends new signals - * * tcp_inet_drv_output_ose : ready output callback, reads signals and calls - * dispatch_signal - * * tcp_inet_drv_input_ose : ready input callback. - */ - -#include "efs.h" -#include "sys/socket.h" -#include "sys/uio.h" -#include "sfk/sys/sfk_uio.h" -#include "netinet/in.h" -#include "netinet/tcp.h" -#include "netdb.h" -#include "ose_spi/socket.sig" - - -static ssize_t writev_fallback(int fd, const struct iovec *iov, int iovcnt, int max_sz); - -#define INVALID_SOCKET -1 -#define INVALID_EVENT -1 -#define SOCKET_ERROR -1 - -#define SOCKET int -#define HANDLE int -#define FD_READ ERL_DRV_READ -#define FD_WRITE ERL_DRV_WRITE -#define FD_CLOSE 0 -#define FD_CONNECT (1<<4) -#define FD_ACCEPT (1<<5) -#define SOCK_FD_ERROR (1<<6) - -#define sock_connect(s, addr, len) connect((s), (addr), (len)) -#define sock_listen(s, b) listen((s), (b)) -#define sock_bind(s, addr, len) bind((s), (addr), (len)) -#define sock_getopt(s,t,n,v,l) getsockopt((s),(t),(n),(v),(l)) -#define sock_setopt(s,t,n,v,l) setsockopt((s),(t),(n),(v),(l)) -#define sock_name(s, addr, len) getsockname((s), (addr), (len)) -#define sock_peer(s, addr, len) getpeername((s), (addr), (len)) -#define sock_ntohs(x) ntohs((x)) -#define sock_ntohl(x) ntohl((x)) -#define sock_htons(x) htons((x)) -#define sock_htonl(x) htonl((x)) - -#define sock_accept(s, addr, len) accept((s), (addr), (len)) -#define sock_send(s,buf,len,flag) inet_send((s),(buf),(len),(flag)) -#define sock_sendto(s,buf,blen,flag,addr,alen) \ - sendto((s),(buf),(blen),(flag),(addr),(alen)) -#define sock_sendv(s, vec, size, np, flag) \ - (*(np) = writev_fallback((s), (struct iovec*)(vec), (size), (*(np)))) -#define sock_sendmsg(s,msghdr,flag) sendmsg((s),(msghdr),(flag)) - -#define sock_open(af, type, proto) socket((af), (type), (proto)) -#define sock_close(s) close((s)) -#define sock_dup(s) dup((s)) -#define sock_shutdown(s, how) shutdown((s), (how)) - -#define sock_hostname(buf, len) gethostname((buf), (len)) -#define sock_getservbyname(name,proto) getservbyname((name), (proto)) -#define sock_getservbyport(port,proto) getservbyport((port), (proto)) - -#define sock_recv(s,buf,len,flag) recv((s),(buf),(len),(flag)) -#define sock_recvfrom(s,buf,blen,flag,addr,alen) \ - recvfrom((s),(buf),(blen),(flag),(addr),(alen)) -#define sock_recvmsg(s,msghdr,flag) recvmsg((s),(msghdr),(flag)) - -#define sock_errno() errno -#define sock_create_event(d) ((d)->s) /* return file descriptor */ -#define sock_close_event(e) /* do nothing */ - -#ifndef WANT_NONBLOCKING -#define WANT_NONBLOCKING -#endif -#include "sys.h" - -typedef unsigned long u_long; -#define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0) -#define IN_CLASSA_NET 0xff000000 -#define IN_CLASSA_NSHIFT 24 -#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) -#define IN_CLASSA_MAX 128 - -#define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000) -#define IN_CLASSB_NET 0xffff0000 -#define IN_CLASSB_NSHIFT 16 -#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) -#define IN_CLASSB_MAX 65536 - -#define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000) -#define IN_CLASSC_NET 0xffffff00 -#define IN_CLASSC_NSHIFT 8 -#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) - -#define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000) -#define IN_MULTICAST(a) IN_CLASSD(a) - -#define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000) -#define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000) - -#define sock_select(d, flags, onoff) do { \ - ASSERT(!(d)->is_ignored); \ - (d)->event_mask = (onoff) ? \ - ((d)->event_mask | (flags)) : \ - ((d)->event_mask & ~(flags)); \ - DEBUGF(("(%s / %d) sock_select(%ld): flags=%02X, onoff=%d, event_mask=%02lX, s=%d\r\n", \ - __FILE__, __LINE__, (long) (d)->port, (flags), (onoff), (unsigned long) (d)->event_mask, (d)->s)); \ - inet_driver_select((d), (flags), (onoff)); \ - } while(0) - -#define TCP_SHUT_WR SHUT_WR -#define TCP_SHUT_RD SHUT_RD -#define TCP_SHUT_RDWR SHUT_RDWR - -#else /* !__OSE__ && !__WIN32__ */ +#else /* !__WIN32__ */ #include <sys/time.h> #ifdef NETDB_H_NEEDS_IN_H @@ -704,7 +568,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define TCP_SHUT_RD SHUT_RD #define TCP_SHUT_RDWR SHUT_RDWR -#endif /* !__WIN32__ && !__OSE__ */ +#endif /* !__WIN32__ */ #ifdef HAVE_SOCKLEN_T # define SOCKLEN_T socklen_t @@ -1048,7 +912,7 @@ typedef union { #endif typedef struct _multi_timer_data { - ErlDrvNowData when; + ErlDrvTime when; ErlDrvTermData caller; void (*timeout_function)(ErlDrvData drv_data, ErlDrvTermData caller); struct _multi_timer_data *next; @@ -1168,13 +1032,6 @@ typedef struct { char *netns; /* Socket network namespace name as full file path */ #endif -#ifdef __OSE__ - int select_state; /* state to keep track of whether we - should trigger another read/write - request at end of ready_input/output */ - ErlDrvEvent events[6]; -#endif - } inet_descriptor; @@ -1190,10 +1047,8 @@ static void tcp_inet_stop(ErlDrvData); static void tcp_inet_command(ErlDrvData, char*, ErlDrvSizeT); static void tcp_inet_commandv(ErlDrvData, ErlIOVec*); static void tcp_inet_flush(ErlDrvData drv_data); -#ifndef __OSE__ static void tcp_inet_drv_input(ErlDrvData, ErlDrvEvent); static void tcp_inet_drv_output(ErlDrvData data, ErlDrvEvent event); -#endif static ErlDrvData tcp_inet_start(ErlDrvPort, char* command); static ErlDrvSSizeT tcp_inet_ctl(ErlDrvData, unsigned int, char*, ErlDrvSizeT, char**, ErlDrvSizeT); @@ -1206,71 +1061,6 @@ static void tcp_inet_event(ErlDrvData, ErlDrvEvent); static void find_dynamic_functions(void); #endif -#ifdef __OSE__ -/* The structure of the signal used for requesting asynchronous - * notification from the stack. Under normal circumstances the network stack - * shouldn't overwrite the value set in the fd field by the sender - * of the request */ -struct OseAsyncSig { - struct FmEvent event; - int fd; -}; - -union SIGNAL { - SIGSELECT signo; - struct OseAsyncSig async; -}; - -static ErlDrvSSizeT tcp_inet_ctl_ose(ErlDrvData e, unsigned int cmd, - char* buf, ErlDrvSizeT len, - char** rbuf, ErlDrvSizeT rsize); -static void tcp_inet_commandv_ose(ErlDrvData e, ErlIOVec* ev); -static void tcp_inet_drv_output_ose(ErlDrvData data, ErlDrvEvent event); -static void tcp_inet_drv_input_ose(ErlDrvData data, ErlDrvEvent event); -static ErlDrvOseEventId inet_resolve_signal(union SIGNAL *sig); - -#ifdef INET_DRV_DEBUG - -static char *read_req = "SO_EVENT_READ_REQUEST"; -static char *read_rep = "SO_EVENT_READ_REPLY"; -static char *write_req = "SO_EVENT_WRITE_REQUEST"; -static char *write_rep = "SO_EVENT_WRITE_REPLY"; -static char *eof_req = "SO_EVENT_EOF_REQUEST"; -static char *eof_rep = "SO_EVENT_EOF_REPLY"; -static char *accept_req = "SO_EVENT_ACCEPT_REQUEST"; -static char *accept_rep = "SO_EVENT_ACCEPT_REPLY"; -static char *connect_req = "SO_EVENT_CONNECT_REQUEST"; -static char *connect_rep = "SO_EVENT_CONNECT_REPLY"; -static char *error_req = "SO_EVENT_ERROR_REQUEST"; -static char *error_rep = "SO_EVENT_ERROR_REPLY"; -static char signo_tmp[32]; - -static char *signo_to_string(SIGSELECT signo) { - switch (signo) { - case SO_EVENT_READ_REQUEST: { return read_req; } - case SO_EVENT_READ_REPLY: { return read_rep; } - case SO_EVENT_WRITE_REQUEST: { return write_req; } - case SO_EVENT_WRITE_REPLY: { return write_rep; } - case SO_EVENT_EOF_REQUEST: { return eof_req; } - case SO_EVENT_EOF_REPLY: { return eof_rep; } - case SO_EVENT_ACCEPT_REQUEST: { return accept_req; } - case SO_EVENT_ACCEPT_REPLY: { return accept_rep; } - case SO_EVENT_CONNECT_REQUEST: { return connect_req; } - case SO_EVENT_CONNECT_REPLY: { return connect_rep; } - case SO_EVENT_ERROR_REQUEST: { return error_req; } - case SO_EVENT_ERROR_REPLY: { return error_rep; } - } - - snprintf(signo_tmp,32,"0x%x",signo); - - return signo_tmp; -} - -#endif - -#endif /* __OSE__ */ - - static struct erl_drv_entry tcp_inet_driver_entry = { tcp_inet_init, /* inet_init will add this driver !! */ @@ -1280,9 +1070,6 @@ static struct erl_drv_entry tcp_inet_driver_entry = #ifdef __WIN32__ tcp_inet_event, NULL, -#elif defined(__OSE__) - tcp_inet_drv_input_ose, /*ready_input*/ - tcp_inet_drv_output_ose, /*ready_output*/ #else tcp_inet_drv_input, tcp_inet_drv_output, @@ -1290,17 +1077,9 @@ static struct erl_drv_entry tcp_inet_driver_entry = "tcp_inet", NULL, NULL, -#ifdef __OSE__ - tcp_inet_ctl_ose, -#else tcp_inet_ctl, -#endif tcp_inet_timeout, -#ifdef __OSE__ - tcp_inet_commandv_ose, -#else tcp_inet_commandv, -#endif NULL, tcp_inet_flush, NULL, @@ -1452,14 +1231,6 @@ static int packet_inet_output(udp_descriptor* udesc, HANDLE event); /* convert descriptor pointer to inet_descriptor pointer */ #define INETP(d) (&(d)->inet) -#ifdef __OSE__ -static void inet_driver_select(inet_descriptor* desc, - int flags, int onoff); -static void tcp_inet_ose_dispatch_signals(tcp_descriptor *desc, - int prev_select_state, - union SIGNAL *sig); -#endif - static int async_ref = 0; /* async reference id generator */ #define NEW_ASYNC_ID() ((async_ref++) & 0xffff) @@ -4355,16 +4126,6 @@ static void desc_close(inet_descriptor* desc) desc->forced_events = 0; desc->send_would_block = 0; #endif -#ifdef __OSE__ - if (desc->events[0]) { - driver_select(desc->port,desc->events[0],FD_READ|FD_WRITE|ERL_DRV_USE,0); - driver_select(desc->port,desc->events[1],FD_READ|FD_WRITE|ERL_DRV_USE,0); - driver_select(desc->port,desc->events[2],FD_READ|FD_WRITE|ERL_DRV_USE,0); - driver_select(desc->port,desc->events[3],FD_READ|FD_WRITE|ERL_DRV_USE,0); - driver_select(desc->port,desc->events[4],FD_READ|FD_WRITE|ERL_DRV_USE,0); - driver_select(desc->port,desc->events[5],FD_READ|FD_WRITE|ERL_DRV_USE,0); - } -#else /* * We should close the fd here, but the other driver might still * be selecting on it. @@ -4374,7 +4135,6 @@ static void desc_close(inet_descriptor* desc) ERL_DRV_USE, 0); else inet_stop_select((ErlDrvEvent)(long)desc->event,NULL); -#endif desc->event = INVALID_EVENT; /* closed by stop_select callback */ desc->s = INVALID_SOCKET; desc->event_mask = 0; @@ -4416,65 +4176,6 @@ static int erl_inet_close(inet_descriptor* desc) return 0; } -#ifdef __OSE__ -static void inet_select_init(inet_descriptor* desc) -{ - desc->events[0] = - erl_drv_ose_event_alloc(SO_EVENT_READ_REPLY, - desc->s, - inet_resolve_signal, - NULL); - driver_select(desc->port, desc->events[0], - ERL_DRV_READ|ERL_DRV_USE, 1); - - desc->events[1] = - erl_drv_ose_event_alloc(SO_EVENT_EOF_REPLY, - desc->s, - inet_resolve_signal, - NULL); - driver_select(desc->port, desc->events[1], - ERL_DRV_READ|ERL_DRV_USE, 1); - - desc->events[2] = - erl_drv_ose_event_alloc(SO_EVENT_ACCEPT_REPLY, - desc->s, - inet_resolve_signal, - NULL); - driver_select(desc->port, desc->events[2], - ERL_DRV_READ|ERL_DRV_USE, 1); - - /* trigger tcp_inet_input */ - desc->events[3] = - erl_drv_ose_event_alloc(SO_EVENT_WRITE_REPLY, - desc->s, - inet_resolve_signal, - NULL); - driver_select(desc->port, desc->events[3], - ERL_DRV_WRITE|ERL_DRV_USE, 1); - - desc->events[4] = - erl_drv_ose_event_alloc(SO_EVENT_CONNECT_REPLY, - desc->s, - inet_resolve_signal, - NULL); - driver_select(desc->port, desc->events[4], - ERL_DRV_WRITE|ERL_DRV_USE, 1); - - desc->events[5] = - erl_drv_ose_event_alloc(SO_EVENT_ERROR_REPLY, - desc->s, - inet_resolve_signal, - NULL); - driver_select(desc->port, desc->events[5], - ERL_DRV_WRITE|ERL_DRV_USE, 1); - - /* Issue a select on error event before any other select to be sure we are - prepared to receive error notifications from the stack, even in the - situations when select isn't issued */ - sock_select(desc, SOCK_FD_ERROR, 1); -} -#endif - static ErlDrvSSizeT inet_ctl_open(inet_descriptor* desc, int domain, int type, char** rbuf, ErlDrvSizeT rsize) { @@ -4557,9 +4258,6 @@ static ErlDrvSSizeT inet_ctl_open(inet_descriptor* desc, int domain, int type, #ifdef __WIN32__ driver_select(desc->port, desc->event, ERL_DRV_READ, 1); #endif -#ifdef __OSE__ - inet_select_init(desc); -#endif desc->state = INET_STATE_OPEN; desc->stype = type; @@ -4583,13 +4281,7 @@ static ErlDrvSSizeT inet_ctl_fdopen(inet_descriptor* desc, int domain, int type, if (name.sa.sa_family != domain) return ctl_error(EINVAL, rbuf, rsize); } -#ifdef __OSE__ - /* for fdopen duplicating the sd will allow to uniquely identify - the signal from OSE with erlang port */ - desc->s = sock_dup(s); -#else desc->s = s; -#endif if ((desc->event = sock_create_event(desc)) == INVALID_EVENT) return ctl_error(sock_errno(), rbuf, rsize); @@ -4607,12 +4299,6 @@ static ErlDrvSSizeT inet_ctl_fdopen(inet_descriptor* desc, int domain, int type, sz = sizeof(name); if (!IS_SOCKET_ERROR(sock_peer(s, (struct sockaddr*) &name, &sz))) { desc->state = INET_STATE_CONNECTED; -#ifdef __OSE__ - /* since we are dealing with different descriptors (i.e. inet and - socket) the select part should be initialized with the right - values */ - inet_select_init(desc); -#endif } } @@ -8414,15 +8100,6 @@ static ErlDrvData inet_start(ErlDrvPort port, int size, int protocol) #ifdef HAVE_SETNS desc->netns = NULL; #endif -#ifdef __OSE__ - desc->select_state = 0; - desc->events[0] = NULL; - desc->events[1] = NULL; - desc->events[2] = NULL; - desc->events[3] = NULL; - desc->events[4] = NULL; - desc->events[5] = NULL; -#endif return (ErlDrvData)desc; } @@ -9149,10 +8826,6 @@ static tcp_descriptor* tcp_inet_copy(tcp_descriptor* desc,SOCKET s, copy_desc->inet.port = port; copy_desc->inet.dport = driver_mk_port(port); -#ifdef __OSE__ - inet_select_init(©_desc->inet); -#endif - *err = 0; return copy_desc; } @@ -9214,23 +8887,6 @@ static void tcp_inet_stop(ErlDrvData e) inet_stop(INETP(desc)); } -#ifdef __OSE__ - -static ErlDrvSSizeT tcp_inet_ctl_ose(ErlDrvData e, unsigned int cmd, - char* buf, ErlDrvSizeT len, - char** rbuf, ErlDrvSizeT rsize) { - - tcp_descriptor* desc = (tcp_descriptor*)e; - int prev_select_state = INETP(desc)->select_state; - - ErlDrvSSizeT res = tcp_inet_ctl(e,cmd,buf,len,rbuf,rsize); - - tcp_inet_ose_dispatch_signals((tcp_descriptor*)e,prev_select_state,NULL); - - return res; -} -#endif - /* TCP requests from Erlang */ static ErlDrvSSizeT tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, ErlDrvSizeT len, @@ -9672,17 +9328,6 @@ static void tcp_inet_command(ErlDrvData e, char *buf, ErlDrvSizeT len) DEBUGF(("tcp_inet_command(%ld) }\r\n", (long)desc->inet.port)); } -#ifdef __OSE__ - -static void tcp_inet_commandv_ose(ErlDrvData e, ErlIOVec* ev) { - int prev_select_state = INETP((tcp_descriptor*)e)->select_state; - tcp_inet_commandv(e, ev); - tcp_inet_ose_dispatch_signals((tcp_descriptor*)e,prev_select_state,NULL); -} - -#endif - - static void tcp_inet_commandv(ErlDrvData e, ErlIOVec* ev) { tcp_descriptor* desc = (tcp_descriptor*)e; @@ -9755,22 +9400,6 @@ static void inet_stop_select(ErlDrvEvent event, void* _) { #ifdef __WIN32__ WSACloseEvent((HANDLE)event); -#elif defined(__OSE__) - ErlDrvOseEventId id; - union SIGNAL *sig; - erl_drv_ose_event_fetch(event, NULL, &id,NULL); - DEBUGF(("inet_stop_select(?#?) {s=%d\n",id)); - sock_close((int)id); - /* On socket close all the signals waiting to be processed as part of the - select should be deallocated */ - while((sig = erl_drv_ose_get_signal(event))) { - DEBUGF(("inet_stop_select(?#?): Freeing signal %s\n", - signo_to_string(sig->signo))); - free_buf(&sig); - } - erl_drv_ose_event_free(event); - DEBUGF(("inet_stop_select(?#?) }\n")); - #else sock_close((SOCKET)(long)event); #endif @@ -10319,146 +9948,7 @@ static void tcp_inet_event(ErlDrvData e, ErlDrvEvent event) return; } -#elif defined(__OSE__) /* !__WIN32__ */ -/* The specific resolve signal function. It will return the socket descriptor - for which the select was issued */ -static ErlDrvOseEventId inet_resolve_signal(union SIGNAL *sig) { - DEBUGF(("%s(?#?): s=%d got signal %s, status = %d, extra = %d, sender = 0x%x\n", - __FUNCTION__,sig->async.fd,signo_to_string(sig->signo), - sig->async.event.status, - sig->async.event.extra,sender(&sig))); - if (sig->signo == SO_EVENT_READ_REPLY || - sig->signo == SO_EVENT_ACCEPT_REPLY || - sig->signo == SO_EVENT_EOF_REPLY || - sig->signo == SO_EVENT_WRITE_REPLY || - sig->signo == SO_EVENT_ERROR_REPLY || - sig->signo == SO_EVENT_CONNECT_REPLY ) { - return sig->async.fd; - } - - return -1; -} - -static void inet_driver_select(inet_descriptor* desc, - int flags, int onoff) { - ASSERT(!desc->is_ignored); - - if(onoff) { - desc->select_state |= flags; - } else { - desc->select_state &= ~flags; - } -} - -static ssize_t writev_fallback(int fd, const struct iovec *iov, int iovcnt, int max_sz) -{ - size_t data_len = 0; - size_t sent = 0; - ssize_t n; - int i; - - for(i = 0; i < iovcnt; i++) - { - data_len = iov[i].iov_len; -tryagain: - n = sock_send(fd, iov[i].iov_base, data_len, 0); - if (IS_SOCKET_ERROR(n)) { - /* If buffer length is greater than the amount stack is able to - * send out then try to send at least max_sz (this comes with - * SO_EVENT_WRITE_REPLY signal*/ - if ((errno == EMSGSIZE) && (max_sz > 0) && (data_len > max_sz)) { - data_len = max_sz; - goto tryagain; - } - break; - } - sent += n; - } - return sent; -} - -#define OSE_EVENT_REQ(TCP_DESC,EVENT) do { \ - union SIGNAL *sig = alloc(sizeof(struct OseAsyncSig), EVENT); \ - sig->async.fd = INETP(TCP_DESC)->s; \ - ose_request_event(INETP(TCP_DESC)->s, &sig, 1); \ - DEBUGF(("%s(%ld): s=%d sent %s\r\n",__FUNCTION__, \ - INETP(TCP_DESC)->port,INETP(TCP_DESC)->s,signo_to_string(EVENT))); \ - } while(0) - -static void tcp_inet_ose_dispatch_signals(tcp_descriptor *desc, - int prev_select_state, - union SIGNAL *sig) { - if (sig) { - DEBUGF(("tcp_inet_ose_dispatch_signals(%ld) {s=%d resend\r\n", - (long)INETP(desc)->port,INETP(desc)->s)); - /* We are reacting to a signal, which means that if - the select_state for that signal is still activated - we should send a new signal */ - switch (sig->signo) { - case SO_EVENT_READ_REPLY: { - if (INETP(desc)->select_state & FD_READ) - OSE_EVENT_REQ(desc,SO_EVENT_READ_REQUEST); - break; - } - case SO_EVENT_WRITE_REPLY: { - if (INETP(desc)->select_state & FD_WRITE) - OSE_EVENT_REQ(desc,SO_EVENT_WRITE_REQUEST); - break; - } - case SO_EVENT_CONNECT_REPLY: { - if (INETP(desc)->select_state & FD_CONNECT) - OSE_EVENT_REQ(desc,SO_EVENT_CONNECT_REQUEST); - break; - } - case SO_EVENT_ACCEPT_REPLY: { - if (INETP(desc)->select_state & FD_ACCEPT) - OSE_EVENT_REQ(desc,SO_EVENT_ACCEPT_REQUEST); - break; - } - case SO_EVENT_ERROR_REPLY: { - if (INETP(desc)->select_state & SOCK_FD_ERROR) - OSE_EVENT_REQ(desc,SO_EVENT_ERROR_REQUEST); - break; - } - - } - DEBUGF(("tcp_inet_ose_dispatch_signals(%ld) }\r\n", - (long)INETP(desc)->port)); - } - - if (INETP(desc)->select_state != prev_select_state) { - /* If the select state has changed we have to issue signals for - the state parts that have changed. */ - int xor_select_state = INETP(desc)->select_state ^ prev_select_state; - DEBUGF(("tcp_inet_ose_dispatch_signals(%ld) {s=%d select change\r\n", - (long)INETP(desc)->port,INETP(desc)->s)); - if ((xor_select_state & FD_READ) && - (INETP(desc)->select_state & FD_READ)) { - OSE_EVENT_REQ(desc,SO_EVENT_READ_REQUEST); - } - if ((xor_select_state & FD_WRITE) && - (INETP(desc)->select_state & FD_WRITE)) { - OSE_EVENT_REQ(desc,SO_EVENT_WRITE_REQUEST); - } - if ((xor_select_state & FD_CONNECT) && - (INETP(desc)->select_state & FD_CONNECT)) { - OSE_EVENT_REQ(desc,SO_EVENT_CONNECT_REQUEST); - } - if ((xor_select_state & FD_ACCEPT) && - (INETP(desc)->select_state & FD_ACCEPT)) { - OSE_EVENT_REQ(desc,SO_EVENT_ACCEPT_REQUEST); - } - if ((xor_select_state & SOCK_FD_ERROR) && - (INETP(desc)->select_state & SOCK_FD_ERROR)) { - OSE_EVENT_REQ(desc,SO_EVENT_ERROR_REQUEST); - } - - DEBUGF(("tcp_inet_ose_dispatch_signals(%ld) }\r\n", - (long)INETP(desc)->port)); - } -} - -#endif /* __OSE__ */ +#endif /* __WIN32__ */ /* socket has input: @@ -10945,49 +10435,6 @@ static void tcp_shutdown_async(tcp_descriptor* desc) desc->tcp_add_flags |= TCP_ADDF_SHUTDOWN_WR_DONE; } -#ifdef __OSE__ - -static void tcp_inet_drv_output_ose(ErlDrvData data, ErlDrvEvent event) -{ - union SIGNAL *event_sig = erl_drv_ose_get_signal(event); - - while (event_sig) { - int prev_select_state = INETP((tcp_descriptor*)data)->select_state; - int res = tcp_inet_output((tcp_descriptor*)data, (HANDLE)event_sig); - if (res != -1) { - tcp_inet_ose_dispatch_signals((tcp_descriptor*)data, - prev_select_state,event_sig); - free_buf(&event_sig); - event_sig = erl_drv_ose_get_signal(event); - } else { - /* NOTE: here the event object could have been deallocated!!!! - inet_stop_select is called when doing driver_select(ERL_DRV_USE,0) - */ - free_buf(&event_sig); - return; - } - } -} - -static void tcp_inet_drv_input_ose(ErlDrvData data, ErlDrvEvent event) -{ - union SIGNAL *event_sig = erl_drv_ose_get_signal(event); - - while (event_sig) { - int prev_select_state = INETP((tcp_descriptor*)data)->select_state; - int res = tcp_inet_input((tcp_descriptor*)data, (HANDLE)event); - if (res != -1) { - tcp_inet_ose_dispatch_signals((tcp_descriptor*)data, prev_select_state, - event_sig); - free_buf(&event_sig); - event_sig = erl_drv_ose_get_signal(event); - } else { - free_buf(&event_sig); - return; - } - } -} -#else static void tcp_inet_drv_output(ErlDrvData data, ErlDrvEvent event) { (void)tcp_inet_output((tcp_descriptor*)data, (HANDLE)event); @@ -10997,7 +10444,6 @@ static void tcp_inet_drv_input(ErlDrvData data, ErlDrvEvent event) { (void)tcp_inet_input((tcp_descriptor*)data, (HANDLE)event); } -#endif /* socket ready for ouput: ** 1. INET_STATE_CONNECTING => non block connect ? @@ -11063,13 +10509,6 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event) ssize_t n; SysIOVec* iov; -#ifdef __OSE__ - /* For large size buffers case the amount of data that the stack is - able to send out (received in the .extra field) should be passed - down to writev_fallback */ - n = event ? ((union SIGNAL*)event)->async.event.extra : 0; -#endif - if ((iov = driver_peekq(ix, &vsize)) == NULL) { sock_select(INETP(desc), FD_WRITE, 0); send_empty_out_q_msgs(INETP(desc)); @@ -11097,12 +10536,6 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event) sizes > (max 32 bit signed int) */ size_t howmuch = 0x7FFFFFFF; /* max signed 32 bit */ int x; -#ifdef __OSE__ - /* For EWOULDBLOCK sock_sendv returns 0 so we have to be sure it - wasn't the case */ - if(sock_errno() == ERRNO_BLOCK) - goto done; -#endif for(x = 0; x < vsize && iov[x].iov_len == 0; ++x) ; if (x < vsize) { @@ -12144,115 +11577,18 @@ make_noninheritable_handle(SOCKET s) * Multi-timers */ -static void absolute_timeout(unsigned millis, ErlDrvNowData *out) -{ - unsigned rest; - unsigned long millipart; - unsigned long secpart; - unsigned long megasecpart; - unsigned tmo_secs = (millis / 1000U); - unsigned tmo_millis = (millis % 1000); - driver_get_now(out); - rest = (out->microsecs) % 1000; - millipart = ((out->microsecs) / 1000UL); - if (rest >= 500) { - ++millipart; - } - secpart = out->secs; - megasecpart = out->megasecs; - millipart += tmo_millis; - secpart += (millipart / 1000000UL); - millipart %= 1000000UL; - secpart += tmo_secs; - megasecpart += (secpart / 1000000UL); - secpart %= 1000000UL; - out->megasecs = megasecpart; - out->secs = secpart; - out->microsecs = (millipart * 1000UL); -} - -static unsigned relative_timeout(ErlDrvNowData *in) -{ - ErlDrvNowData now; - unsigned rest; - unsigned long millipart, in_millis, in_secs, in_megasecs; - - driver_get_now(&now); - - in_secs = in->secs; - in_megasecs = in->megasecs; - - rest = (now.microsecs) % 1000; - millipart = ((now.microsecs) / 1000UL); - if (rest >= 500) { - ++millipart; - } - in_millis = ((in->microsecs) / 1000UL); - if ( in_millis < millipart ) { - if (in_secs > 0) { - --in_secs; - } else { - in_secs = (1000000UL - 1UL); - if (in_megasecs <= now.megasecs) { - return 0; - } else { - --in_megasecs; - } - } - in_millis += 1000UL; - } - in_millis -= millipart; - - if (in_secs < now.secs) { - if (in_megasecs <= now.megasecs) { - return 0; - } else { - --in_megasecs; - } - in_secs += 1000000; - } - in_secs -= now.secs; - if (in_megasecs < now.megasecs) { - return 0; - } else { - in_megasecs -= now.megasecs; - } - return (unsigned) ((in_megasecs * 1000000000UL) + - (in_secs * 1000UL) + - in_millis); -} - -#ifdef DEBUG -static int nowcmp(ErlDrvNowData *d1, ErlDrvNowData *d2) -{ - /* Assume it's not safe to do signed conversion on megasecs... */ - if (d1->megasecs < d2->megasecs) { - return -1; - } else if (d1->megasecs > d2->megasecs) { - return 1; - } else if (d1->secs != d2->secs) { - return ((int) d1->secs) - ((int) d2->secs); - } - return ((int) d1->microsecs) - ((int) d2->microsecs); -} -#endif - static void fire_multi_timers(MultiTimerData **first, ErlDrvPort port, ErlDrvData data) { - unsigned next_timeout; + ErlDrvTime next_timeout; if (!*first) { ASSERT(0); return; } #ifdef DEBUG { - ErlDrvNowData chk; - driver_get_now(&chk); - chk.microsecs /= 10000UL; - chk.microsecs *= 10000UL; - chk.microsecs += 10000; - ASSERT(nowcmp(&chk,&((*first)->when)) >= 0); + ErlDrvTime chk = erl_drv_monotonic_time(ERL_DRV_MSEC); + ASSERT(chk >= (*first)->when); } #endif do { @@ -12264,9 +11600,9 @@ static void fire_multi_timers(MultiTimerData **first, ErlDrvPort port, return; } (*first)->prev = NULL; - next_timeout = relative_timeout(&((*first)->when)); - } while (next_timeout == 0); - driver_set_timer(port,next_timeout); + next_timeout = (*first)->when - erl_drv_monotonic_time(ERL_DRV_MSEC); + } while (next_timeout <= 0); + driver_set_timer(port, (unsigned long) next_timeout); } static void clean_multi_timers(MultiTimerData **first, ErlDrvPort port) @@ -12289,8 +11625,10 @@ static void remove_multi_timer(MultiTimerData **first, ErlDrvPort port, MultiTim driver_cancel_timer(port); *first = p->next; if (*first) { - unsigned ntmo = relative_timeout(&((*first)->when)); - driver_set_timer(port,ntmo); + ErlDrvTime ntmo = (*first)->when - erl_drv_monotonic_time(ERL_DRV_MSEC); + if (ntmo < 0) + ntmo = 0; + driver_set_timer(port, (unsigned long) ntmo); } } if (p->next != NULL) { @@ -12304,26 +11642,14 @@ static MultiTimerData *add_multi_timer(MultiTimerData **first, ErlDrvPort port, void (*timeout_fun)(ErlDrvData drv_data, ErlDrvTermData caller)) { -#define eq_mega(a, b) ((a)->when.megasecs == (b)->when.megasecs) -#define eq_sec(a, b) ((a)->when.secs == (b)->when.secs) MultiTimerData *mtd, *p, *s; mtd = ALLOC(sizeof(MultiTimerData)); - absolute_timeout(timeout, &(mtd->when)); + mtd->when = erl_drv_monotonic_time(ERL_DRV_MSEC) + ((ErlDrvTime) timeout) + 1; mtd->timeout_function = timeout_fun; mtd->caller = caller; mtd->next = mtd->prev = NULL; for(p = *first,s = NULL; p != NULL; s = p, p = p->next) { - if (p->when.megasecs >= mtd->when.megasecs) { - break; - } - } - for (; p!= NULL && eq_mega(p, mtd); s = p, p = p->next) { - if (p->when.secs >= mtd->when.secs) { - break; - } - } - for (; p!= NULL && eq_mega(p, mtd) && eq_sec(p, mtd); s = p, p = p->next) { - if (p->when.microsecs >= mtd->when.microsecs) { + if (p->when >= mtd->when) { break; } } @@ -12353,12 +11679,6 @@ static MultiTimerData *add_multi_timer(MultiTimerData **first, ErlDrvPort port, } return mtd; } -#undef eq_mega -#undef eq_sec - - - - /*----------------------------------------------------------------------------- |