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-rw-r--r--erts/configure.in16
-rw-r--r--erts/emulator/drivers/common/efile_drv.c202
-rw-r--r--erts/emulator/drivers/common/erl_efile.h17
-rw-r--r--erts/emulator/drivers/common/inet_drv.c67
-rw-r--r--erts/emulator/drivers/unix/unix_efile.c77
-rw-r--r--erts/preloaded/src/prim_file.erl30
-rw-r--r--erts/preloaded/src/prim_inet.erl18
-rw-r--r--lib/kernel/doc/src/file.xml45
-rw-r--r--lib/kernel/src/file.erl139
-rw-r--r--lib/kernel/src/gen_tcp.erl4
-rw-r--r--lib/kernel/src/inet.erl15
-rw-r--r--lib/kernel/src/inet_int.hrl2
-rw-r--r--lib/kernel/test/Makefile3
-rw-r--r--lib/kernel/test/gen_tcp_api_SUITE.erl10
-rw-r--r--lib/kernel/test/sendfile_SUITE.erl278
15 files changed, 899 insertions, 24 deletions
diff --git a/erts/configure.in b/erts/configure.in
index 378d0ab220..10d303e241 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -1742,6 +1742,22 @@ dnl fdatasync requires linking against -lrt on SunOS <= 5.10.
dnl OpenSolaris 2009.06 is SunOS 5.11 and does not require -lrt.
AC_SEARCH_LIBS(fdatasync, [rt])
+
+dnl sendfile syscall
+case $host_os in
+ linux*|freebsd*|dragonfly*|darwin*)
+ AC_CHECK_FUNCS([sendfile])
+ ;;
+ solaris*)
+ AC_SEARCH_LIBS(sendfile, sendfile, AC_DEFINE(HAVE_SENDFILE, 1))
+ ;;
+ win32)
+ LIBS="$LIBS -lmswsock"
+ ;;
+ *)
+ ;;
+esac
+
dnl ----------------------------------------------------------------------
dnl Checks for library functions.
dnl ----------------------------------------------------------------------
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
index 901d98c09d..5c52b99348 100644
--- a/erts/emulator/drivers/common/efile_drv.c
+++ b/erts/emulator/drivers/common/efile_drv.c
@@ -55,6 +55,7 @@
#define FILE_READ_LINE 29
#define FILE_FDATASYNC 30
#define FILE_FADVISE 31
+#define FILE_SENDFILE 32
/* Return codes */
@@ -98,7 +99,13 @@
# include "config.h"
#endif
#include <stdlib.h>
+
+// Need (NON)BLOCKING macros for sendfile
+#ifndef WANT_NONBLOCKING
+#define WANT_NONBLOCKING
+#endif
#include "sys.h"
+
#include "erl_driver.h"
#include "erl_efile.h"
#include "erl_threads.h"
@@ -225,9 +232,16 @@ static void file_outputv(ErlDrvData, ErlIOVec*);
static void file_async_ready(ErlDrvData, ErlDrvThreadData);
static void file_flush(ErlDrvData);
+#ifdef HAVE_SENDFILE
+static void file_ready_output(ErlDrvData data, ErlDrvEvent event);
+static void file_stop_select(ErlDrvEvent event, void* _);
+#endif /* HAVE_SENDFILE */
enum e_timer {timer_idle, timer_again, timer_write};
+#ifdef HAVE_SENDFILE
+enum e_sendfile {sending, not_sending};
+#endif /* HAVE_SENDFILE */
struct t_data;
@@ -242,6 +256,9 @@ typedef struct {
struct t_data *cq_head; /* Queue of incoming commands */
struct t_data *cq_tail; /* -""- */
enum e_timer timer_state;
+#ifdef HAVE_SENDFILE
+ enum e_sendfile sendfile_state;
+#endif /* HAVE_SENDFILE */
size_t read_bufsize;
ErlDrvBinary *read_binp;
size_t read_offset;
@@ -264,7 +281,11 @@ struct erl_drv_entry efile_driver_entry = {
file_stop,
file_output,
NULL,
+#ifdef HAVE_SENDFILE
+ file_ready_output,
+#else
NULL,
+#endif /* HAVE_SENDFILE */
"efile",
NULL,
NULL,
@@ -279,7 +300,13 @@ struct erl_drv_entry efile_driver_entry = {
ERL_DRV_EXTENDED_MAJOR_VERSION,
ERL_DRV_EXTENDED_MINOR_VERSION,
ERL_DRV_FLAG_USE_PORT_LOCKING,
+ NULL,
+ NULL,
+#ifdef HAVE_SENDFILE
+ file_stop_select
+#else
NULL
+#endif /* HAVE_SENDFILE */
};
@@ -398,6 +425,14 @@ struct t_data
Sint64 length;
int advise;
} fadvise;
+#ifdef HAVE_SENDFILE
+ struct {
+ int out_fd;
+ off_t offset;
+ Uint64 nbytes;
+ Uint64 written;
+ } sendfile;
+#endif /* HAVE_SENDFILE */
} c;
char b[1];
};
@@ -485,7 +520,6 @@ static void *ef_safe_realloc(void *op, Uint s)
: 0)
-
#if 0
static void ev_clear(ErlIOVec *ev) {
@@ -613,7 +647,6 @@ static struct t_data *cq_deq(file_descriptor *desc) {
}
-
/*********************************************************************
* Driver entry point -> init
*/
@@ -628,6 +661,7 @@ file_init(void)
? atoi(buf)
: 0);
driver_system_info(&sys_info, sizeof(ErlDrvSysInfo));
+
return 0;
}
@@ -655,6 +689,9 @@ file_start(ErlDrvPort port, char* command)
desc->cq_head = NULL;
desc->cq_tail = NULL;
desc->timer_state = timer_idle;
+#ifdef HAVE_SENDFILE
+ desc->sendfile_state = not_sending;
+#endif
desc->read_bufsize = 0;
desc->read_binp = NULL;
desc->read_offset = 0;
@@ -893,8 +930,6 @@ static int reply_eof(file_descriptor *desc) {
driver_output2(desc->port, &c, 1, NULL, 0);
return 0;
}
-
-
static void invoke_name(void *data, int (*f)(Efile_error *, char *))
{
@@ -1694,6 +1729,66 @@ static void invoke_fadvise(void *data)
d->result_ok = efile_fadvise(&d->errInfo, fd, offset, length, advise);
}
+#ifdef HAVE_SENDFILE
+static void invoke_sendfile(void *data)
+{
+ struct t_data *d = (struct t_data *)data;
+ int fd = d->fd;
+ int out_fd = (int)d->c.sendfile.out_fd;
+ Uint64 nbytes = d->c.sendfile.nbytes;
+ int result = 0;
+ d->again = 0;
+
+ result = efile_sendfile(&d->errInfo, fd, out_fd, &d->c.sendfile.offset, &nbytes, NULL);
+
+ d->c.sendfile.written += nbytes;
+
+ if (result == 1) {
+ if (sys_info.async_threads != 0) {
+ d->result_ok = 0;
+ } else if (d->c.sendfile.nbytes == 0 && nbytes != 0) {
+ d->result_ok = 1;
+ } else if ((d->c.sendfile.nbytes - nbytes) != 0) {
+ d->result_ok = 1;
+ d->c.sendfile.nbytes -= nbytes;
+ } else {
+ d->result_ok = 0;
+ }
+ } else if (result == 0 && (d->errInfo.posix_errno == EAGAIN
+ || d->errInfo.posix_errno == EINTR)) {
+ d->result_ok = 1;
+ } else {
+ d->result_ok = -1;
+ }
+}
+
+static void free_sendfile(void *data) {
+ EF_FREE(data);
+}
+
+static void file_ready_output(ErlDrvData data, ErlDrvEvent event)
+{
+ file_descriptor* fd = (file_descriptor*) data;
+
+ switch (fd->d->command) {
+ case FILE_SENDFILE:
+ driver_select(fd->port, event,
+ (int)ERL_DRV_WRITE,(int) 0);
+ invoke_sendfile((void *)fd->d);
+ file_async_ready(data, (ErlDrvThreadData)fd->d);
+ break;
+ default:
+ break;
+ }
+}
+
+static void file_stop_select(ErlDrvEvent event, void* _)
+{
+
+}
+#endif /* HAVE_SENDFILE */
+
+
static void free_readdir(void *data)
{
struct t_data *d = (struct t_data *) data;
@@ -1755,6 +1850,10 @@ static void cq_execute(file_descriptor *desc) {
register void *void_ptr; /* Soft cast variable */
if (desc->timer_state == timer_again)
return;
+#ifdef HAVE_SENDFILE
+ if (desc->sendfile_state == sending)
+ return;
+#endif
if (! (d = cq_deq(desc)))
return;
TRACE_F(("x%i", (int) d->command));
@@ -2105,6 +2204,37 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data)
}
free_preadv(data);
break;
+#ifdef HAVE_SENDFILE
+ case FILE_SENDFILE:
+ if (d->result_ok == -1) {
+ desc->sendfile_state = not_sending;
+ reply_error(desc, &d->errInfo);
+ if (sys_info.async_threads != 0) {
+ SET_NONBLOCKING(d->c.sendfile.out_fd);
+ free_sendfile(data);
+ } else {
+ driver_select(desc->port, (ErlDrvEvent)(long)d->c.sendfile.out_fd,
+ ERL_DRV_USE, 0);
+ free_sendfile(data);
+ }
+ } else if (d->result_ok == 0) {
+ desc->sendfile_state = not_sending;
+ reply_Sint64(desc, d->c.sendfile.written);
+ if (sys_info.async_threads != 0) {
+ SET_NONBLOCKING(d->c.sendfile.out_fd);
+ free_sendfile(data);
+ } else {
+ driver_select(desc->port, (ErlDrvEvent)(long)d->c.sendfile.out_fd, ERL_DRV_USE, 0);
+ free_sendfile(data);
+ }
+ } else if (d->result_ok == 1) { // If we are using select to send the rest of the data
+ desc->sendfile_state = sending;
+ desc->d = d;
+ driver_select(desc->port, (ErlDrvEvent)(long)d->c.sendfile.out_fd,
+ ERL_DRV_USE|ERL_DRV_WRITE, 1);
+ }
+ break;
+#endif
default:
abort();
}
@@ -3245,9 +3375,69 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) {
goto done;
} /* case FILE_OPT_DELAYED_WRITE: */
} ASSERT(0); goto done; /* case FILE_SETOPT: */
-
+
+ case FILE_SENDFILE: {
+
+#ifdef HAVE_SENDFILE
+ struct t_data *d;
+ Uint32 out_fd, offsetH, offsetL, hd_len, tl_len;
+ Uint64 nbytes;
+ char flags;
+
+ if (ev->size < 1 + 7 * sizeof(Uint32) + sizeof(char)
+ || !EV_GET_UINT32(ev, &out_fd, &p, &q)
+ || !EV_GET_CHAR(ev, &flags, &p, &q)
+ || !EV_GET_UINT32(ev, &offsetH, &p, &q)
+ || !EV_GET_UINT32(ev, &offsetL, &p, &q)
+ || !EV_GET_UINT64(ev, &nbytes, &p, &q)
+ || !EV_GET_UINT32(ev, &hd_len, &p, &q)
+ || !EV_GET_UINT32(ev, &tl_len, &p, &q)) {
+ /* Buffer has wrong length to contain all the needed values */
+ reply_posix_error(desc, EINVAL);
+ goto done;
+ }
+
+ if (hd_len != 0 || tl_len != 0 || flags != 0) {
+ // We do not allow header, trailers and/or flags right now
+ reply_posix_error(desc, EINVAL);
+ goto done;
+ }
+
+ d = EF_SAFE_ALLOC(sizeof(struct t_data));
+ d->fd = desc->fd;
+ d->command = command;
+ d->invoke = invoke_sendfile;
+ d->free = NULL;
+ d->level = 2;
+
+ d->c.sendfile.out_fd = (int) out_fd;
+ d->c.sendfile.written = 0;
+
+ #if SIZEOF_OFF_T == 4
+ if (offsetH != 0) {
+ reply_posix_error(desc, EINVAL);
+ goto done;
+ }
+ d->c.sendfile.offset = (off_t) offsetL;
+ #else
+ d->c.sendfile.offset = ((off_t) offsetH << 32) | offsetL;
+ #endif
+
+ d->c.sendfile.nbytes = nbytes;
+
+ if (sys_info.async_threads != 0) {
+ SET_BLOCKING(d->c.sendfile.out_fd);
+ }
+
+ cq_enq(desc, d);
+#else
+ reply_posix_error(desc, ENOTSUP);
+#endif
+ goto done;
+ } /* case FILE_SENDFILE: */
+
} /* switch(command) */
-
+
if (lseek_flush_read(desc, &err) < 0) {
reply_posix_error(desc, err);
goto done;
diff --git a/erts/emulator/drivers/common/erl_efile.h b/erts/emulator/drivers/common/erl_efile.h
index 3097ded3f1..349ab0e17b 100644
--- a/erts/emulator/drivers/common/erl_efile.h
+++ b/erts/emulator/drivers/common/erl_efile.h
@@ -118,6 +118,19 @@ typedef struct _Efile_info {
*/
} Efile_info;
+
+#ifdef HAVE_SENDFILE
+/*
+ * Described the structure of header/trailers for sendfile
+ */
+struct t_sendfile_hdtl {
+ SysIOVec *headers;
+ int hdr_cnt;
+ SysIOVec *trailers;
+ int trl_cnt;
+};
+#endif /* HAVE_SENDFILE */
+
/*
* Functions.
*/
@@ -162,3 +175,7 @@ int efile_symlink(Efile_error* errInfo, char* old, char* new);
int efile_may_openfile(Efile_error* errInfo, char *name);
int efile_fadvise(Efile_error* errInfo, int fd, Sint64 offset, Sint64 length,
int advise);
+#ifdef HAVE_SENDFILE
+int efile_sendfile(Efile_error* errInfo, int in_fd, int out_fd,
+ off_t *offset, Uint64 *nbytes, struct t_sendfile_hdtl *hdtl);
+#endif /* HAVE_SENDFILE */
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index db052523a8..7d952b0c71 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -445,6 +445,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
driver_select(port, e, mode | (on?ERL_DRV_USE:0), on)
#define sock_select(d, flags, onoff) do { \
+ ASSERT(!onoff || !(d)->is_ignored); \
(d)->event_mask = (onoff) ? \
((d)->event_mask | (flags)) : \
((d)->event_mask & ~(flags)); \
@@ -538,6 +539,8 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
#define INET_REQ_GETIFADDRS 25
#define INET_REQ_ACCEPT 26
#define INET_REQ_LISTEN 27
+#define INET_REQ_IGNOREFD 28
+
/* TCP requests */
/* #define TCP_REQ_ACCEPT 40 MOVED */
/* #define TCP_REQ_LISTEN 41 MERGED */
@@ -725,6 +728,11 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
/* Max interface name */
#define INET_IFNAMSIZ 16
+/* INET Ignore states */
+#define INET_IGNORE_NONE 0
+#define INET_IGNORE_READ 1
+#define INET_IGNORE_WRITE 1 << 1
+
/* Max length of Erlang Term Buffer (for outputting structured terms): */
#ifdef HAVE_SCTP
#define PACKET_ERL_DRV_TERM_DATA_LEN 512
@@ -864,6 +872,9 @@ typedef struct {
double send_avg; /* average packet size sent */
subs_list empty_out_q_subs; /* Empty out queue subscribers */
+ int is_ignored; /* if a fd is ignored by from the inet_drv,
+ this should be set to true when the fd is used
+ outside of inet_drv. */
} inet_descriptor;
@@ -7344,6 +7355,8 @@ static ErlDrvData inet_start(ErlDrvPort port, int size, int protocol)
sys_memzero((char *)&desc->remote,sizeof(desc->remote));
+ desc->is_ignored = 0;
+
return (ErlDrvData)desc;
}
@@ -7626,6 +7639,33 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len,
return ctl_reply(INET_REP_OK, tbuf, 2, rbuf, rsize);
}
+ case INET_REQ_IGNOREFD: {
+ DEBUGF(("inet_ctl(%ld): IGNOREFD, IGNORED = %d\r\n",
+ (long)desc->port,(int)*buf));
+
+ /*
+ * FD can only be ignored for connected TCP connections for now,
+ * possible to add UDP and SCTP support if needed.
+ */
+ if (!IS_CONNECTED(desc))
+ return ctl_error(ENOTCONN, rbuf, rsize);
+
+ if (!desc->stype == SOCK_STREAM)
+ return ctl_error(EINVAL, rbuf, rsize);
+
+ if (*buf == 1 && !desc->is_ignored) {
+ desc->is_ignored = INET_IGNORE_READ;
+ sock_select(desc, (FD_READ|FD_WRITE|FD_CLOSE|ERL_DRV_USE_NO_CALLBACK), 0);
+ } else if (*buf == 0 && desc->is_ignored) {
+ int flags = (FD_READ|FD_CLOSE|((desc->is_ignored & INET_IGNORE_WRITE)?FD_WRITE:0));
+ desc->is_ignored = INET_IGNORE_NONE;
+ sock_select(desc, flags, 1);
+ } else
+ return ctl_error(EINVAL, rbuf, rsize);
+
+ return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
+ }
+
#ifndef VXWORKS
case INET_REQ_GETSERVBYNAME: { /* L1 Name-String L2 Proto-String */
@@ -8001,6 +8041,7 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
char** rbuf, int rsize)
{
tcp_descriptor* desc = (tcp_descriptor*)e;
+
switch(cmd) {
case INET_REQ_OPEN: { /* open socket and return internal index */
int domain;
@@ -8266,13 +8307,14 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
if (enq_async(INETP(desc), tbuf, TCP_REQ_RECV) < 0)
return ctl_error(EALREADY, rbuf, rsize);
- if (tcp_recv(desc, n) == 0) {
+ if (INETP(desc)->is_ignored || tcp_recv(desc, n) == 0) {
if (timeout == 0)
async_error_am(INETP(desc), am_timeout);
else {
if (timeout != INET_INFINITY)
- driver_set_timer(desc->inet.port, timeout);
- sock_select(INETP(desc),(FD_READ|FD_CLOSE),1);
+ driver_set_timer(desc->inet.port, timeout);
+ if (!INETP(desc)->is_ignored)
+ sock_select(INETP(desc),(FD_READ|FD_CLOSE),1);
}
}
return ctl_reply(INET_REP_OK, tbuf, 2, rbuf, rsize);
@@ -9012,6 +9054,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
#ifdef DEBUG
long port = (long) desc->inet.port; /* Used after driver_exit() */
#endif
+ ASSERT(!INETP(desc)->is_ignored);
DEBUGF(("tcp_inet_input(%ld) {s=%d\r\n", port, desc->inet.s));
if (desc->inet.state == INET_STATE_ACCEPTING) {
SOCKET s;
@@ -9273,7 +9316,11 @@ static int tcp_sendv(tcp_descriptor* desc, ErlIOVec* ev)
DEBUGF(("tcp_sendv(%ld): s=%d, about to send %d,%d bytes\r\n",
(long)desc->inet.port, desc->inet.s, h_len, len));
- if (desc->tcp_add_flags & TCP_ADDF_DELAY_SEND) {
+
+ if (INETP(desc)->is_ignored) {
+ INETP(desc)->is_ignored |= INET_IGNORE_WRITE;
+ n = 0;
+ } else if (desc->tcp_add_flags & TCP_ADDF_DELAY_SEND) {
n = 0;
} else if (IS_SOCKET_ERROR(sock_sendv(desc->inet.s, ev->iov,
vsize, &n, 0))) {
@@ -9301,7 +9348,8 @@ static int tcp_sendv(tcp_descriptor* desc, ErlIOVec* ev)
DEBUGF(("tcp_sendv(%ld): s=%d, Send failed, queuing\r\n",
(long)desc->inet.port, desc->inet.s));
driver_enqv(ix, ev, n);
- sock_select(INETP(desc),(FD_WRITE|FD_CLOSE), 1);
+ if (!INETP(desc)->is_ignored)
+ sock_select(INETP(desc),(FD_WRITE|FD_CLOSE), 1);
}
return 0;
}
@@ -9366,7 +9414,10 @@ static int tcp_send(tcp_descriptor* desc, char* ptr, int len)
DEBUGF(("tcp_send(%ld): s=%d, about to send %d,%d bytes\r\n",
(long)desc->inet.port, desc->inet.s, h_len, len));
- if (desc->tcp_add_flags & TCP_ADDF_DELAY_SEND) {
+ if (INETP(desc)->is_ignored) {
+ INETP(desc)->is_ignored |= INET_IGNORE_WRITE;
+ n = 0;
+ } else if (desc->tcp_add_flags & TCP_ADDF_DELAY_SEND) {
sock_send(desc->inet.s, buf, 0, 0);
n = 0;
} else if (IS_SOCKET_ERROR(sock_sendv(desc->inet.s,iov,2,&n,0))) {
@@ -9397,7 +9448,8 @@ static int tcp_send(tcp_descriptor* desc, char* ptr, int len)
n -= h_len;
driver_enq(ix, ptr+n, len-n);
}
- sock_select(INETP(desc),(FD_WRITE|FD_CLOSE), 1);
+ if (!INETP(desc)->is_ignored)
+ sock_select(INETP(desc),(FD_WRITE|FD_CLOSE), 1);
}
return 0;
}
@@ -9421,6 +9473,7 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event)
int ret = 0;
ErlDrvPort ix = desc->inet.port;
+ ASSERT(!INETP(desc)->is_ignored);
DEBUGF(("tcp_inet_output(%ld) {s=%d\r\n",
(long)desc->inet.port, desc->inet.s));
if (desc->inet.state == INET_STATE_CONNECTING) {
diff --git a/erts/emulator/drivers/unix/unix_efile.c b/erts/emulator/drivers/unix/unix_efile.c
index 4b3934657c..72911641d3 100644
--- a/erts/emulator/drivers/unix/unix_efile.c
+++ b/erts/emulator/drivers/unix/unix_efile.c
@@ -33,6 +33,9 @@
#include <sys/types.h>
#include <sys/uio.h>
#endif
+#if defined(HAVE_SENDFILE) && (defined(__linux__) || (defined(__sun) && defined(__SVR4)))
+#include <sys/sendfile.h>
+#endif
#if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__)
#define DARWIN 1
@@ -1464,3 +1467,77 @@ efile_fadvise(Efile_error* errInfo, int fd, Sint64 offset,
return check_error(0, errInfo);
#endif
}
+
+#ifdef HAVE_SENDFILE
+#define SENDFILE_CHUNK_SIZE ((1 << 30) -1)
+
+/*
+ * sendfile: The implementation of the sendfile system call varies
+ * a lot on different *nix platforms so to make the api similar in all
+ * we have to emulate some things in linux and play with variables on
+ * bsd/darwin.
+ *
+ * It could be possible to implement header/trailer in sendfile, though
+ * you would have to emulate it in linux and on BSD/Darwin some complex
+ * calculations have to be made when using a non blocking socket to figure
+ * out how much of the header/file/trailer was sent in each command.
+ */
+
+int
+efile_sendfile(Efile_error* errInfo, int in_fd, int out_fd,
+ off_t *offset, Uint64 *nbytes, struct t_sendfile_hdtl* hdtl)
+{
+ Uint64 written = 0;
+#if defined(__linux__) || (defined(__sun) && defined(__SVR4))
+ ssize_t retval;
+ do {
+ // check if *nbytes is 0 or greater than the largest size_t
+ if (*nbytes == 0 || *nbytes > SENDFILE_CHUNK_SIZE)
+ retval = sendfile(out_fd, in_fd, offset, SENDFILE_CHUNK_SIZE);
+ else
+ retval = sendfile(out_fd, in_fd, offset, *nbytes);
+ if (retval > 0) {
+ written += retval;
+ *nbytes -= retval;
+ }
+ } while (retval != -1 && retval == SENDFILE_CHUNK_SIZE);
+ *nbytes = written;
+ return check_error(retval == -1 ? -1 : 0, errInfo);
+#elif defined(DARWIN)
+ int retval;
+ off_t len;
+ do {
+ // check if *nbytes is 0 or greater than the largest off_t
+ if(*nbytes > SENDFILE_CHUNK_SIZE)
+ len = SENDFILE_CHUNK_SIZE;
+ else
+ len = *nbytes;
+ retval = sendfile(in_fd, out_fd, *offset, &len, NULL, 0);
+ if (retval != -1 || errno == EAGAIN || errno == EINTR) {
+ *offset += len;
+ *nbytes -= len;
+ written += len;
+ }
+ } while (len == SENDFILE_CHUNK_SIZE);
+ *nbytes = written;
+ return check_error(retval, errInfo);
+#elif defined(__FreeBSD__) || defined(__DragonFly__)
+ off_t len;
+ int retval;
+ do {
+ if (*nbytes > SENDFILE_CHUNK_SIZE)
+ retval = sendfile(in_fd, out_fd, *offset, SENDFILE_CHUNK_SIZE,
+ NULL, &len, 0);
+ else
+ retval = sendfile(in_fd, out_fd, *offset, *nbytes, NULL, &len, 0);
+ if (retval != -1 || errno == EAGAIN || errno == EINTR) {
+ *offset += len;
+ *nbytes -= len;
+ written += len;
+ }
+ } while(len == SENDFILE_CHUNK_SIZE);
+ *nbytes = written;
+ return check_error(retval, errInfo);
+#endif
+}
+#endif /* HAVE_SENDFILE */
diff --git a/erts/preloaded/src/prim_file.erl b/erts/preloaded/src/prim_file.erl
index 30b7a5246a..7316e0be99 100644
--- a/erts/preloaded/src/prim_file.erl
+++ b/erts/preloaded/src/prim_file.erl
@@ -26,7 +26,8 @@
%% Generic file contents operations
-export([open/2, close/1, datasync/1, sync/1, advise/4, position/2, truncate/1,
- write/2, pwrite/2, pwrite/3, read/2, read_line/1, pread/2, pread/3, copy/3]).
+ write/2, pwrite/2, pwrite/3, read/2, read_line/1, pread/2, pread/3,
+ copy/3, sendfile/10]).
%% Specialized file operations
-export([open/1, open/3]).
@@ -98,6 +99,7 @@
-define(FILE_READ_LINE, 29).
-define(FILE_FDATASYNC, 30).
-define(FILE_ADVISE, 31).
+-define(FILE_SENDFILE, 32).
%% Driver responses
-define(FILE_RESP_OK, 0).
@@ -537,7 +539,31 @@ write_file(File, Bin) when (is_list(File) orelse is_binary(File)) ->
end;
write_file(_, _) ->
{error, badarg}.
-
+
+
+%% Returns {error, Reason} | {ok, BytesCopied}
+%sendfile(_,_,_,_,_,_,_,_,_,_) ->
+% {error, enotsup};
+sendfile(#file_descriptor{module = ?MODULE, data = {Port, _}},
+ Dest, Offset, Bytes, _ChunkSize, Headers, Trailers,
+ _Nodiskio, _MNowait, _Sync) ->
+ case erlang:port_get_data(Dest) of
+ Data when Data == inet_tcp; Data == inet6_tcp ->
+ ok = inet:lock_socket(Dest,true),
+ {ok, DestFD} = prim_inet:getfd(Dest),
+ try drv_command(Port, [<<?FILE_SENDFILE, DestFD:32,
+ 0:8,
+ Offset:64/unsigned,
+ Bytes:64/unsigned,
+ (iolist_size(Headers)):32/unsigned,
+ (iolist_size(Trailers)):32/unsigned>>,
+ Headers,Trailers])
+ after
+ ok = inet:lock_socket(Dest,false)
+ end;
+ _Else ->
+ {error,badarg}
+ end.
%%%-----------------------------------------------------------------
diff --git a/erts/preloaded/src/prim_inet.erl b/erts/preloaded/src/prim_inet.erl
index f144f73d68..0cedd284db 100644
--- a/erts/preloaded/src/prim_inet.erl
+++ b/erts/preloaded/src/prim_inet.erl
@@ -36,7 +36,8 @@
-export([recvfrom/2, recvfrom/3]).
-export([setopt/3, setopts/2, getopt/2, getopts/2, is_sockopt_val/2]).
-export([chgopt/3, chgopts/2]).
--export([getstat/2, getfd/1, getindex/1, getstatus/1, gettype/1,
+-export([getstat/2, getfd/1, ignorefd/2,
+ getindex/1, getstatus/1, gettype/1,
getifaddrs/1, getiflist/1, ifget/3, ifset/3,
gethostname/1]).
-export([getservbyname/3, getservbyport/3]).
@@ -842,6 +843,21 @@ getfd(S) when is_port(S) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
+%% IGNOREFD(insock(),boolean()) -> {ok,integer()} | {error, Reason}
+%%
+%% steal internal file descriptor
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+ignorefd(S,Bool) when is_port(S) ->
+ Val = if Bool -> 1; true -> 0 end,
+ case ctl_cmd(S, ?INET_REQ_IGNOREFD, [Val]) of
+ {ok, _} -> ok;
+ Error -> Error
+ end.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
%% GETIX(insock()) -> {ok,integer()} | {error, Reason}
%%
%% get internal socket index
diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml
index 7db20e6343..c6a1f25dd9 100644
--- a/lib/kernel/doc/src/file.xml
+++ b/lib/kernel/doc/src/file.xml
@@ -149,6 +149,9 @@
<datatype>
<name name="mode"/>
</datatype>
+ <datatype>
+ <name name="sendfile_option"/>
+ </datatype>
</datatypes>
<funcs>
@@ -1574,6 +1577,48 @@
</desc>
</func>
<func>
+ <name name="sendfile" arity="2"/>
+ <fsummary>send a file to a socket</fsummary>
+ <desc>
+ <p>Sends the file <c>Filename</c> to <c>Socket</c>.
+ Returns <c>{ok, BytesSent}</c> if successful,
+ otherwise <c>{error, Reason}</c>.</p>
+ </desc>
+ </func>
+ <func>
+ <name name="sendfile" arity="5"/>
+ <fsummary>send a file to a socket</fsummary>
+ <desc>
+ <p>Sends <c>Bytes</c> from the file
+ referenced by <c>RawFile</c> beginning at <c>Offset</c> to
+ <c>Socket</c>.
+ Returns <c>{ok, BytesSent}</c> if successful,
+ otherwise <c>{error, Reason}</c>. If <c>Bytes</c> is set to
+ 0 all data after the given <c>Offset</c> is sent.</p>
+ <p>The file used must be opened using the raw flag, and the process
+ calling sendfile must be the controlling process of the socket.
+ See <seealso marker="gen_tcp#controlling_process-2">gen_tcp:controlling_process/2</seealso></p>
+ <p>If the OS used does not support sendfile, an Erlang fallback
+ using file:read and gen_tcp:send is used.</p>
+ <p>The option list can contain the following options:
+ <taglist>
+ <tag><c>chunk_size</c></tag>
+ <item>The chunk size used by the erlang fallback to send
+ data. If using the fallback, this should be set to a value
+ which comfortably fits in the systems memory. Default is 20 MB.</item>
+ </taglist>
+ </p>
+ <p>On operating systems with thread support, it is recommended to use
+ async threads. See the command line flag
+ <c>+A</c> in <seealso marker="erts:erl">erl(1)</seealso>. If it is not
+ possible to use async threads for sendfile, it is recommended to use
+ a relatively small value for the send buffer on the socket. Otherwise
+ the Erlang VM might loose some of its soft realtime guarantees.
+ Which size to use depends on the OS/hardware and the requirements
+ of the application.</p>
+ </desc>
+ </func>
+ <func>
<name name="write" arity="2"/>
<fsummary>Write to a file</fsummary>
<desc>
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index 706c60caaf..0b0f91d86a 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -51,6 +51,9 @@
-export([pid2name/1]).
+%% Sendfile functions
+-export([sendfile/2,sendfile/5]).
+
%%% Obsolete exported functions
-export([raw_read_file_info/1, raw_write_file_info/2]).
@@ -103,7 +106,7 @@
-type date_time() :: calendar:datetime().
-type posix_file_advise() :: 'normal' | 'sequential' | 'random'
| 'no_reuse' | 'will_need' | 'dont_need'.
-
+-type sendfile_option() :: {chunk_size, non_neg_integer()}.
%%%-----------------------------------------------------------------
%%% General functions
@@ -1114,6 +1117,140 @@ change_time(Name, Atime, Mtime)
when is_tuple(Atime), is_tuple(Mtime) ->
write_file_info(Name, #file_info{atime=Atime, mtime=Mtime}).
+%%
+%% Send data using sendfile
+%%
+
+-define(MAX_CHUNK_SIZE, (1 bsl 20)*20). %% 20 MB, has to fit in primary memory
+
+-spec sendfile(RawFile, Socket, Offset, Bytes, Opts) ->
+ {'ok', non_neg_integer()} | {'error', inet:posix() | badarg | not_owner} when
+ RawFile :: file:fd(),
+ Socket :: inet:socket(),
+ Offset :: non_neg_integer(),
+ Bytes :: non_neg_integer(),
+ Opts :: [sendfile_option()].
+sendfile(File, _Sock, _Offet, _Bytes, _Opts) when is_pid(File) ->
+ {error, badarg};
+sendfile(File, Sock, Offset, Bytes, []) ->
+ sendfile(File, Sock, Offset, Bytes, ?MAX_CHUNK_SIZE, [], [],
+ false, false, false);
+sendfile(File, Sock, Offset, Bytes, Opts) ->
+ ChunkSize0 = proplists:get_value(chunk_size, Opts, ?MAX_CHUNK_SIZE),
+ ChunkSize = if ChunkSize0 > ?MAX_CHUNK_SIZE ->
+ ?MAX_CHUNK_SIZE;
+ true -> ChunkSize0
+ end,
+ %% Support for headers, trailers and options has been removed because the
+ %% Darwin and BSD API for using it does not play nice with
+ %% non-blocking sockets. See unix_efile.c for more info.
+ sendfile(File, Sock, Offset, Bytes, ChunkSize, [], [],
+ false,false,false).
+
+%% sendfile/2
+-spec sendfile(Filename, Socket) ->
+ {'ok', non_neg_integer()} | {'error', inet:posix() | badarg | not_owner}
+ when Filename :: file:name(),
+ Socket :: inet:socket().
+sendfile(Filename, Sock) ->
+ case file:open(Filename, [read, raw, binary]) of
+ {error, Reason} ->
+ {error, Reason};
+ {ok, Fd} ->
+ Res = sendfile(Fd, Sock, 0, 0, []),
+ file:close(Fd),
+ Res
+ end.
+
+%% Internal sendfile functions
+sendfile(#file_descriptor{ module = Mod } = Fd, Sock, Offset, Bytes,
+ ChunkSize, Headers, Trailers, Nodiskio, MNowait, Sync)
+ when is_port(Sock) ->
+ case Mod:sendfile(Fd, Sock, Offset, Bytes, ChunkSize, Headers, Trailers,
+ Nodiskio, MNowait, Sync) of
+ {error, enotsup} ->
+ sendfile_fallback(Fd, Sock, Offset, Bytes, ChunkSize,
+ Headers, Trailers);
+ Else ->
+ Else
+ end;
+sendfile(_,_,_,_,_,_,_,_,_,_) ->
+ {error, badarg}.
+
+%%%
+%% Sendfile Fallback
+%%%
+sendfile_fallback(File, Sock, Offset, Bytes, ChunkSize,
+ Headers, Trailers)
+ when Headers == []; is_integer(Headers) ->
+ case sendfile_fallback(File, Sock, Offset, Bytes, ChunkSize) of
+ {ok, BytesSent} when is_list(Trailers),
+ Trailers =/= [],
+ is_integer(Headers) ->
+ sendfile_send(Sock, Trailers, BytesSent+Headers);
+ {ok, BytesSent} when is_list(Trailers), Trailers =/= [] ->
+ sendfile_send(Sock, Trailers, BytesSent);
+ {ok, BytesSent} when is_integer(Headers) ->
+ {ok, BytesSent + Headers};
+ Else ->
+ Else
+ end;
+sendfile_fallback(File, Sock, Offset, Bytes, ChunkSize, Headers, Trailers) ->
+ case sendfile_send(Sock, Headers, 0) of
+ {ok, BytesSent} ->
+ sendfile_fallback(File, Sock, Offset, Bytes, ChunkSize, BytesSent,
+ Trailers);
+ Else ->
+ Else
+ end.
+
+
+sendfile_fallback(File, Sock, Offset, Bytes, ChunkSize) ->
+ {ok, CurrPos} = file:position(File, {cur, 0}),
+ {ok, _NewPos} = file:position(File, {bof, Offset}),
+ Res = sendfile_fallback_int(File, Sock, Bytes, ChunkSize, 0),
+ file:position(File, {bof, CurrPos}),
+ Res.
+
+
+sendfile_fallback_int(File, Sock, Bytes, ChunkSize, BytesSent)
+ when Bytes > BytesSent; Bytes == 0 ->
+ Size = if Bytes == 0 ->
+ ChunkSize;
+ (Bytes - BytesSent + ChunkSize) > 0 ->
+ Bytes - BytesSent;
+ true ->
+ ChunkSize
+ end,
+ case file:read(File, Size) of
+ {ok, Data} ->
+ case sendfile_send(Sock, Data, BytesSent) of
+ {ok,NewBytesSent} ->
+ sendfile_fallback_int(
+ File, Sock, Bytes, ChunkSize,
+ NewBytesSent);
+ Error ->
+ Error
+ end;
+ eof ->
+ {ok, BytesSent};
+ Error ->
+ Error
+ end;
+sendfile_fallback_int(_File, _Sock, BytesSent, _ChunkSize, BytesSent) ->
+ {ok, BytesSent}.
+
+sendfile_send(Sock, Data, Old) ->
+ Len = iolist_size(Data),
+ case gen_tcp:send(Sock, Data) of
+ ok ->
+ {ok, Len+Old};
+ Else ->
+ Else
+ end.
+
+
+
%%%-----------------------------------------------------------------
%%% Helpers
diff --git a/lib/kernel/src/gen_tcp.erl b/lib/kernel/src/gen_tcp.erl
index 8ab18c01b4..4d6c7f5f1d 100644
--- a/lib/kernel/src/gen_tcp.erl
+++ b/lib/kernel/src/gen_tcp.erl
@@ -27,6 +27,7 @@
-export([fdopen/2]).
-include("inet_int.hrl").
+-include("file.hrl").
-type option() ::
{active, true | false | once} |
@@ -302,7 +303,7 @@ unrecv(S, Data) when is_port(S) ->
Mod:unrecv(S, Data);
Error ->
Error
- end.
+ end.
%%
%% Set controlling process
@@ -354,3 +355,4 @@ mod([_|Opts], Address) ->
mod(Opts, Address);
mod([], Address) ->
mod(Address).
+
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl
index b60c68e3a1..49f64a9236 100644
--- a/lib/kernel/src/inet.erl
+++ b/lib/kernel/src/inet.erl
@@ -40,6 +40,10 @@
-export([tcp_controlling_process/2, udp_controlling_process/2,
tcp_close/1, udp_close/1]).
+
+%% used by sendfile
+-export([lock_socket/2]).
+
%% used by socks5
-export([setsockname/2, setpeername/2]).
@@ -1353,3 +1357,14 @@ stop_timer(Timer) ->
end;
T -> T
end.
+
+
+lock_socket(S,Val) ->
+ case erlang:port_info(S, connected) of
+ {connected, Pid} when Pid =/= self() ->
+ {error, not_owner};
+ undefined ->
+ {error, einval};
+ _ ->
+ prim_inet:ignorefd(S,Val)
+ end.
diff --git a/lib/kernel/src/inet_int.hrl b/lib/kernel/src/inet_int.hrl
index f8984b13fe..cf893c73eb 100644
--- a/lib/kernel/src/inet_int.hrl
+++ b/lib/kernel/src/inet_int.hrl
@@ -85,6 +85,8 @@
-define(INET_REQ_GETIFADDRS, 25).
-define(INET_REQ_ACCEPT, 26).
-define(INET_REQ_LISTEN, 27).
+-define(INET_REQ_IGNOREFD, 28).
+
%% TCP requests
%%-define(TCP_REQ_ACCEPT, 40). MOVED
%%-define(TCP_REQ_LISTEN, 41). MERGED
diff --git a/lib/kernel/test/Makefile b/lib/kernel/test/Makefile
index 82bc3fc6d1..5dcaad3f5e 100644
--- a/lib/kernel/test/Makefile
+++ b/lib/kernel/test/Makefile
@@ -74,7 +74,8 @@ MODULES= \
wrap_log_reader_SUITE \
cleanup \
zlib_SUITE \
- loose_node
+ loose_node \
+ sendfile_SUITE
APP_FILES = \
appinc.app \
diff --git a/lib/kernel/test/gen_tcp_api_SUITE.erl b/lib/kernel/test/gen_tcp_api_SUITE.erl
index cbaec2d6dd..a7af00c12a 100644
--- a/lib/kernel/test/gen_tcp_api_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_api_SUITE.erl
@@ -22,7 +22,7 @@
%% are not tested here, because they are tested indirectly in this and
%% and other test suites.
--include_lib("test_server/include/test_server.hrl").
+-include_lib("common_test/include/ct.hrl").
-include_lib("kernel/include/inet.hrl").
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
@@ -46,6 +46,8 @@ groups() ->
{t_connect, [], [t_connect_timeout, t_connect_bad]},
{t_recv, [], [t_recv_timeout, t_recv_eof]}].
+
+
init_per_suite(Config) ->
Config.
@@ -55,9 +57,8 @@ end_per_suite(_Config) ->
init_per_group(_GroupName, Config) ->
Config.
-end_per_group(_GroupName, Config) ->
- Config.
-
+end_per_group(_,_Config) ->
+ ok.
init_per_testcase(_Func, Config) ->
Dog = test_server:timetrap(test_server:seconds(60)),
@@ -237,7 +238,6 @@ implicit_inet6(S, Addr) ->
?line ok = gen_tcp:close(S1).
-
%%% Utilities
%% Calls M:F/length(A), which should return a timeout error, and complete
diff --git a/lib/kernel/test/sendfile_SUITE.erl b/lib/kernel/test/sendfile_SUITE.erl
new file mode 100644
index 0000000000..04af16a6b9
--- /dev/null
+++ b/lib/kernel/test/sendfile_SUITE.erl
@@ -0,0 +1,278 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2011-2011. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+-module(sendfile_SUITE).
+
+-include_lib("common_test/include/ct.hrl").
+-include_lib("kernel/include/file.hrl").
+
+-compile(export_all).
+
+all() ->
+ [t_sendfile_small
+ ,t_sendfile_big
+ ,t_sendfile_partial
+ ,t_sendfile_offset
+ ,t_sendfile_sendafter
+ ,t_sendfile_recvafter
+ ,t_sendfile_sendduring
+ ,t_sendfile_recvduring
+ ].
+
+init_per_suite(Config) ->
+ Priv = ?config(priv_dir, Config),
+ SFilename = filename:join(Priv, "sendfile_small.html"),
+ {ok, DS} = file:open(SFilename,[write,raw]),
+ file:write(DS,"yo baby yo"),
+ file:sync(DS),
+ file:close(DS),
+ BFilename = filename:join(Priv, "sendfile_big.html"),
+ {ok, DB} = file:open(BFilename,[write,raw]),
+ [file:write(DB,[<<0:(10*8*1024*1024)>>]) || _I <- lists:seq(1,51)],
+ file:sync(DB),
+ file:close(DB),
+ [{small_file, SFilename},
+ {file_opts,[raw,binary]},
+ {big_file, BFilename}|Config].
+
+end_per_suite(Config) ->
+ file:delete(proplists:get_value(big_file, Config)).
+
+init_per_testcase(TC,Config) when TC == t_sendfile_recvduring;
+ TC == t_sendfile_sendduring ->
+ Filename = proplists:get_value(small_file, Config),
+
+ Send = fun(Sock) ->
+ {_Size, Data} = sendfile_file_info(Filename),
+ {ok,D} = file:open(Filename, [raw,binary,read]),
+ prim_file:sendfile(D, Sock, 0, 0, 0,
+ [],[],false,false,false),
+ Data
+ end,
+
+ %% Check if sendfile is supported on this platform
+ case catch sendfile_send(Send) of
+ ok ->
+ Config;
+ Error ->
+ ct:log("Error: ~p",[Error]),
+ {skip,"Not supported"}
+ end;
+init_per_testcase(_Tc,Config) ->
+ Config.
+
+
+t_sendfile_small(Config) when is_list(Config) ->
+ Filename = proplists:get_value(small_file, Config),
+
+ Send = fun(Sock) ->
+ {Size, Data} = sendfile_file_info(Filename),
+ {ok, Size} = file:sendfile(Filename, Sock),
+ Data
+ end,
+
+ ok = sendfile_send(Send).
+
+t_sendfile_big(Config) when is_list(Config) ->
+ Filename = proplists:get_value(big_file, Config),
+
+ Send = fun(Sock) ->
+ {ok, #file_info{size = Size}} =
+ file:read_file_info(Filename),
+ {ok, Size} = file:sendfile(Filename, Sock),
+ Size
+ end,
+
+ ok = sendfile_send("localhost", Send, 0).
+
+t_sendfile_partial(Config) ->
+ Filename = proplists:get_value(small_file, Config),
+ FileOpts = proplists:get_value(file_opts, Config, []),
+
+ SendSingle = fun(Sock) ->
+ {_Size, <<Data:5/binary,_/binary>>} =
+ sendfile_file_info(Filename),
+ {ok,D} = file:open(Filename,[read|FileOpts]),
+ {ok,5} = file:sendfile(D,Sock,0,5,[]),
+ file:close(D),
+ Data
+ end,
+ ok = sendfile_send(SendSingle),
+
+ {_Size, <<FData:5/binary,SData:3/binary,_/binary>>} =
+ sendfile_file_info(Filename),
+ {ok,D} = file:open(Filename,[read|FileOpts]),
+ {ok, <<FData/binary>>} = file:read(D,5),
+ FSend = fun(Sock) ->
+ {ok,5} = file:sendfile(D,Sock,0,5,[]),
+ FData
+ end,
+
+ ok = sendfile_send(FSend),
+
+ SSend = fun(Sock) ->
+ {ok,3} = file:sendfile(D,Sock,5,3,[]),
+ SData
+ end,
+
+ ok = sendfile_send(SSend),
+
+ {ok, <<SData/binary>>} = file:read(D,3),
+
+ file:close(D).
+
+t_sendfile_offset(Config) ->
+ Filename = proplists:get_value(small_file, Config),
+ FileOpts = proplists:get_value(file_opts, Config, []),
+
+ Send = fun(Sock) ->
+ {_Size, <<_:5/binary,Data:3/binary,_/binary>> = AllData} =
+ sendfile_file_info(Filename),
+ {ok,D} = file:open(Filename,[read|FileOpts]),
+ {ok,3} = file:sendfile(D,Sock,5,3,[]),
+ {ok, AllData} = file:read(D,100),
+ file:close(D),
+ Data
+ end,
+ ok = sendfile_send(Send).
+
+
+t_sendfile_sendafter(Config) ->
+ Filename = proplists:get_value(small_file, Config),
+
+ Send = fun(Sock) ->
+ {Size, Data} = sendfile_file_info(Filename),
+ {ok, Size} = file:sendfile(Filename, Sock),
+ ok = gen_tcp:send(Sock, <<2>>),
+ <<Data/binary,2>>
+ end,
+
+ ok = sendfile_send(Send).
+
+t_sendfile_recvafter(Config) ->
+ Filename = proplists:get_value(small_file, Config),
+
+ Send = fun(Sock) ->
+ {Size, Data} = sendfile_file_info(Filename),
+ {ok, Size} = file:sendfile(Filename, Sock),
+ ok = gen_tcp:send(Sock, <<1>>),
+ {ok,<<1>>} = gen_tcp:recv(Sock, 1),
+ <<Data/binary,1>>
+ end,
+
+ ok = sendfile_send(Send).
+
+t_sendfile_sendduring(Config) ->
+ Filename = proplists:get_value(big_file, Config),
+
+ Send = fun(Sock) ->
+ {ok, #file_info{size = Size}} =
+ file:read_file_info(Filename),
+ spawn_link(fun() ->
+ timer:sleep(10),
+ ok = gen_tcp:send(Sock, <<2>>)
+ end),
+ {ok, Size} = file:sendfile(Filename, Sock),
+ Size+1
+ end,
+
+ ok = sendfile_send("localhost", Send, 0).
+
+t_sendfile_recvduring(Config) ->
+ Filename = proplists:get_value(big_file, Config),
+
+ Send = fun(Sock) ->
+ {ok, #file_info{size = Size}} =
+ file:read_file_info(Filename),
+ spawn_link(fun() ->
+ timer:sleep(10),
+ ok = gen_tcp:send(Sock, <<1>>),
+ {ok,<<1>>} = gen_tcp:recv(Sock, 1)
+ end),
+ {ok, Size} = file:sendfile(Filename, Sock),
+ timer:sleep(1000),
+ Size+1
+ end,
+
+ ok = sendfile_send("localhost", Send, 0).
+
+%% TODO: consolidate tests and reduce code
+sendfile_send(Send) ->
+ sendfile_send("localhost",Send).
+sendfile_send(Host, Send) ->
+ sendfile_send(Host, Send, []).
+sendfile_send(Host, Send, Orig) ->
+ spawn_link(?MODULE, sendfile_server, [self(), Orig]),
+ receive
+ {server, Port} ->
+ {ok, Sock} = gen_tcp:connect(Host, Port,
+ [binary,{packet,0},
+ {active,false}]),
+ Data = Send(Sock),
+ ok = gen_tcp:close(Sock),
+ receive
+ {ok, Bin} ->
+ Data = Bin,
+ ok
+ end
+ end.
+
+sendfile_server(ClientPid, Orig) ->
+ {ok, LSock} = gen_tcp:listen(0, [binary, {packet, 0},
+ {active, true},
+ {reuseaddr, true}]),
+ {ok, Port} = inet:port(LSock),
+ ClientPid ! {server, Port},
+ {ok, Sock} = gen_tcp:accept(LSock),
+ {ok, Bin} = sendfile_do_recv(Sock, Orig),
+ ClientPid ! {ok, Bin},
+ gen_tcp:send(Sock, <<1>>).
+
+-define(SENDFILE_TIMEOUT, 10000).
+%% f(),{ok, S} = gen_tcp:connect("localhost",7890,[binary]),file:sendfile("/ldisk/lukas/otp/sendfiletest.dat",S).
+sendfile_do_recv(Sock, Bs) ->
+ receive
+ {tcp, Sock, B} ->
+ case binary:match(B,<<1>>) of
+ nomatch when is_list(Bs) ->
+ sendfile_do_recv(Sock, [B|Bs]);
+ nomatch when is_integer(Bs) ->
+ sendfile_do_recv(Sock, byte_size(B) + Bs);
+ _ when is_list(Bs) ->
+ ct:log("Stopped due to a 1"),
+ {ok, iolist_to_binary(lists:reverse([B|Bs]))};
+ _ when is_integer(Bs) ->
+ ct:log("Stopped due to a 1"),
+ {ok, byte_size(B) + Bs}
+ end;
+ {tcp_closed, Sock} when is_list(Bs) ->
+ ct:log("Stopped due to close"),
+ {ok, iolist_to_binary(lists:reverse(Bs))};
+ {tcp_closed, Sock} when is_integer(Bs) ->
+ ct:log("Stopped due to close"),
+ {ok, Bs}
+ after ?SENDFILE_TIMEOUT ->
+ ct:log("Sendfile timeout"),
+ timeout
+ end.
+
+sendfile_file_info(File) ->
+ {ok, #file_info{size = Size}} = file:read_file_info(File),
+ {ok, Data} = file:read_file(File),
+ {Size, Data}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 19:16:06 +0000