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-rw-r--r--lib/wx/c_src/wxe_driver.c222
1 files changed, 118 insertions, 104 deletions
diff --git a/lib/wx/c_src/wxe_driver.c b/lib/wx/c_src/wxe_driver.c
index ea52737fa2..c9d299e0df 100644
--- a/lib/wx/c_src/wxe_driver.c
+++ b/lib/wx/c_src/wxe_driver.c
@@ -1,18 +1,19 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2008-2014. All Rights Reserved.
+ * Copyright Ericsson AB 2008-2018. 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/.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * 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.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
* %CopyrightEnd%
*/
@@ -32,14 +33,13 @@
#include <sys/types.h>
#include <fcntl.h>
+#include <assert.h>
#include "wxe_driver.h"
#define TEMP_BINARY_SIZE 512
-static ErlDrvData wxe_driver_start(ErlDrvPort port, char *buff);
-static int wxe_driver_load(void);
+static ErlDrvData wxe_driver_start(ErlDrvPort port, char *command);
static void wxe_driver_stop(ErlDrvData handle);
-static void wxe_driver_unload(void);
static ErlDrvSSizeT wxe_driver_control(ErlDrvData handle,
unsigned int command,
char* buf, ErlDrvSizeT count,
@@ -61,30 +61,30 @@ char * erl_wx_privdir;
** The driver struct
*/
static ErlDrvEntry wxe_driver_entry = {
- wxe_driver_load, /* F_PTR init, called at loading */
- wxe_driver_start, /* L_PTR start, called when port is opened */
- wxe_driver_stop, /* F_PTR stop, called when port is closed */
- NULL, /* F_PTR output, called when erlang has sent */
- NULL, /* F_PTR ready_input, called when input descriptor
- ready */
- NULL, /* F_PTR ready_output, called when output
- descriptor ready */
- "wxe_driver", /* char *driver_name, the argument to open_port */
- wxe_driver_unload, /* F_PTR finish, called when unloaded */
- NULL, /* void * that is not used (BC) */
- wxe_driver_control, /* F_PTR control, port_control callback */
- NULL, /* F_PTR timeout, reserved */
- standard_outputv, /* F_PTR outputv, reserved */
- NULL, /* async */
- NULL, /* flush */
- wxe_driver_call, /* call */
- NULL, /* Event */
+ NULL, /* F_PTR init, called at loading */
+ wxe_driver_start, /* L_PTR start, called when port is opened */
+ wxe_driver_stop, /* F_PTR stop, called when port is closed */
+ NULL, /* F_PTR output, called when erlang has sent */
+ NULL, /* F_PTR ready_input, called when
+ input descriptor ready */
+ NULL, /* F_PTR ready_output, called when
+ output descriptor ready */
+ "wxe_driver", /* char *driver_name, the argument to open_port */
+ NULL, /* F_PTR finish, called when unloaded */
+ NULL, /* void * that is not used (BC) */
+ wxe_driver_control, /* F_PTR control, port_control callback */
+ NULL, /* F_PTR timeout, reserved */
+ standard_outputv, /* F_PTR outputv, reserved */
+ NULL, /* async */
+ NULL, /* flush */
+ wxe_driver_call, /* call */
+ NULL, /* Event */
ERL_DRV_EXTENDED_MARKER,
ERL_DRV_EXTENDED_MAJOR_VERSION,
ERL_DRV_EXTENDED_MINOR_VERSION,
- ERL_DRV_FLAG_USE_PORT_LOCKING, /* Port lock */
- NULL, /* Reserved Handle */
- wxe_process_died, /* Process Exited */
+ ERL_DRV_FLAG_USE_PORT_LOCKING, /* Port lock */
+ NULL, /* Reserved Handle */
+ wxe_process_died, /* Process Exited */
};
DRIVER_INIT(wxe_driver)
@@ -92,74 +92,68 @@ DRIVER_INIT(wxe_driver)
return &wxe_driver_entry;
}
-int wxe_driver_load()
-{
- if(load_native_gui())
- return 0;
- else
- return -1;
-}
-
ErlDrvPort WXE_DRV_PORT_HANDLE = 0;
ErlDrvTermData WXE_DRV_PORT = 0;
static ErlDrvData
-wxe_driver_start(ErlDrvPort port, char *buff)
-{
- wxe_data *data;
-
- data = (wxe_data *) malloc(sizeof(wxe_data));
- wxe_debug = 0;
-
- if (data == NULL) {
- fprintf(stderr, " Couldn't alloc mem\r\n");
- return(ERL_DRV_ERROR_GENERAL); /* ENOMEM */
- } else {
- ErlDrvTermData term_port = driver_mk_port(port);
- set_port_control_flags(port, PORT_CONTROL_FLAG_BINARY);
- data->driver_data = NULL;
- data->bin = NULL;
- data->port_handle = port;
- data->port = term_port;
- data->pdl = driver_pdl_create(port);
- if(WXE_DRV_PORT_HANDLE == 0) {
- for(; *buff != 32; buff++);
- buff++;
- erl_wx_privdir = strdup(buff);
-
- WXE_DRV_PORT_HANDLE = port;
- WXE_DRV_PORT = term_port;
- wxe_master = data;
- if(!(start_native_gui(data) == 1))
- return(ERL_DRV_ERROR_GENERAL); /* ENOMEM */
- } else {
- meta_command(CREATE_PORT,data);
- }
- return (ErlDrvData) data;
- }
+wxe_driver_start(ErlDrvPort port, char *command)
+{
+ wxe_data *data;
+
+ data = (wxe_data *) malloc(sizeof(wxe_data));
+ wxe_debug = 0;
+
+ if (data == NULL) {
+ fprintf(stderr, " Couldn't alloc mem\r\n");
+ return(ERL_DRV_ERROR_GENERAL); /* ENOMEM */
+ } else {
+ ErlDrvTermData term_port = driver_mk_port(port);
+ set_port_control_flags(port, PORT_CONTROL_FLAG_BINARY);
+ data->driver_data = NULL;
+ data->bin = (WXEBinRef*) driver_alloc(sizeof(WXEBinRef)*DEF_BINS);
+ data->bin[0].from = 0;
+ data->bin[1].from = 0;
+ data->bin[2].from = 0;
+ data->max_bins = DEF_BINS;
+ data->port_handle = port;
+ data->port = term_port;
+ data->pdl = driver_pdl_create(port);
+ if(WXE_DRV_PORT_HANDLE == 0) {
+ char *first_space = strchr(command, ' ');
+ if (first_space) {
+ char *priv_dir = first_space + 1;
+ erl_wx_privdir = strdup(priv_dir);
+
+ WXE_DRV_PORT_HANDLE = port;
+ WXE_DRV_PORT = term_port;
+ wxe_master = data;
+ if(start_native_gui(data) != 1)
+ return ERL_DRV_ERROR_GENERAL; /* ENOMEM */
+ } else {
+ return ERL_DRV_ERROR_BADARG;
+ }
+ } else {
+ meta_command(CREATE_PORT, data);
+ }
+ return (ErlDrvData) data;
+ }
}
static void
wxe_driver_stop(ErlDrvData handle)
-{
+{
wxe_data *sd = ((wxe_data *)handle);
if(sd->port_handle != WXE_DRV_PORT_HANDLE) {
// fprintf(stderr, "%s:%d: STOP \r\n", __FILE__,__LINE__);
meta_command(DELETE_PORT,sd);
- free(handle);
+ } else {
+ // fprintf(stderr, "%s:%d: STOP \r\n", __FILE__,__LINE__);
+ stop_native_gui(wxe_master);
+ free(wxe_master);
+ wxe_master = NULL;
}
}
-static void
-wxe_driver_unload(void)
-{
- // fprintf(stderr, "%s:%d: UNLOAD \r\n", __FILE__,__LINE__);
- stop_native_gui(wxe_master);
- unload_native_gui();
- free(wxe_master);
- wxe_master = NULL;
-}
-
static ErlDrvSSizeT
wxe_driver_control(ErlDrvData handle, unsigned op,
char* buf, ErlDrvSizeT count,
@@ -187,7 +181,7 @@ wxe_driver_call(ErlDrvData handle, unsigned int command,
if (len > rlen)
*res = driver_alloc(len);
memcpy((void *) *res, (void *) buf, len);
- return len;
+ return len;
}
@@ -207,26 +201,46 @@ static void
standard_outputv(ErlDrvData drv_data, ErlIOVec* ev)
{
wxe_data* sd = (wxe_data *) drv_data;
- WXEBinRef * binref;
+ WXEBinRef * binref = NULL;
ErlDrvBinary* bin;
-
- if(ev->vsize == 2) {
- binref = driver_alloc(sizeof(WXEBinRef));
- binref->base = ev->iov[1].iov_base;
- binref->size = ev->iov[1].iov_len;
- binref->from = driver_caller(sd->port_handle);
- bin = ev->binv[1];
- driver_binary_inc_refc(bin); /* Otherwise it could get deallocated */
- binref->bin = bin;
- binref->next = sd->bin;
- sd->bin = binref;
- } else { /* Empty binary (becomes NULL) */
- binref = driver_alloc(sizeof(WXEBinRef));
+ int i, max;
+
+ for(i = 0; i < sd->max_bins; i++) {
+ if(sd->bin[i].from == 0) {
+ binref = &sd->bin[i];
+ break;
+ }
+ }
+
+ if(binref == NULL) { /* realloc */
+ max = sd->max_bins + DEF_BINS;
+ driver_realloc(sd->bin, sizeof(WXEBinRef)*max);
+ for(i=sd->max_bins; i < max; i++) {
+ sd->bin[i].from = 0;
+ }
+ binref = &sd->bin[sd->max_bins];
+ sd->max_bins = max;
+ }
+
+ if(ev->size > 0) {
+ assert(ev->vsize == 2 && ev->iov[0].iov_len == 0
+ && "erts changed how the ErlIOVec is structured for outputv");
+ binref->from = driver_caller(sd->port_handle);
+ binref->size = ev->iov[1].iov_len;
+ if(ev->binv[1]) {
+ binref->base = ev->iov[1].iov_base;
+ bin = ev->binv[1];
+ driver_binary_inc_refc(bin); /* Otherwise it could get deallocated */
+ } else {
+ bin = driver_alloc_binary(ev->iov[1].iov_len);
+ memcpy(bin->orig_bytes, ev->iov[1].iov_base, ev->iov[1].iov_len);
+ binref->base = bin->orig_bytes;
+ }
+ binref->bin = bin;
+ } else { /* Empty binary (becomes NULL) */
binref->base = NULL;
binref->size = 0;
binref->from = driver_caller(sd->port_handle);
binref->bin = NULL;
- binref->next = sd->bin;
- sd->bin = binref;
}
}
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