diff options
Diffstat (limited to 'lib/runtime_tools/c_src/trace_ip_drv.c')
-rw-r--r-- | lib/runtime_tools/c_src/trace_ip_drv.c | 113 |
1 files changed, 52 insertions, 61 deletions
diff --git a/lib/runtime_tools/c_src/trace_ip_drv.c b/lib/runtime_tools/c_src/trace_ip_drv.c index d2ed1a294b..195558f958 100644 --- a/lib/runtime_tools/c_src/trace_ip_drv.c +++ b/lib/runtime_tools/c_src/trace_ip_drv.c @@ -1,18 +1,19 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1999-2009. All Rights Reserved. + * Copyright Ericsson AB 1999-2016. 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. + * 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 + * + * 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% */ @@ -34,37 +35,17 @@ #include <stdlib.h> #include <string.h> #ifndef __WIN32__ -# ifdef VXWORKS -# include <sockLib.h> -# include <sys/times.h> -# include <iosLib.h> -# include <taskLib.h> -# include <selectLib.h> -# include <ioLib.h> -# include "reclaim.h" -# endif -# include <unistd.h> -# include <errno.h> -# include <sys/types.h> -# include <sys/socket.h> -# include <netinet/in.h> -# include <fcntl.h> +# include <unistd.h> +# include <errno.h> +# include <sys/types.h> +# include <sys/socket.h> +# include <netinet/in.h> +# include <fcntl.h> #endif #ifdef DEBUG -# ifndef __WIN32__ - /* erl_exit is not available to dll_drivers on windows. */ - void erl_exit(int, char *, ...); -# define ASSERT(X) \ - do { \ - if (!(X)) { \ - erl_exit(1,"%s",#X); \ - } \ - } while(0) -# else -# include <assert.h> -# define ASSERT(X) assert(X) -# endif +# include <assert.h> +# define ASSERT(X) assert(X) #else # define ASSERT(X) #endif @@ -185,7 +166,8 @@ static TraceIpData *first_data; */ static ErlDrvData trace_ip_start(ErlDrvPort port, char *buff); static void trace_ip_stop(ErlDrvData handle); -static void trace_ip_output(ErlDrvData handle, char *buff, int bufflen); +static void trace_ip_output(ErlDrvData handle, char *buff, + ErlDrvSizeT bufflen); #ifdef __WIN32__ static void trace_ip_event(ErlDrvData handle, ErlDrvEvent event); #endif @@ -193,9 +175,10 @@ static void trace_ip_ready_input(ErlDrvData handle, ErlDrvEvent fd); static void trace_ip_ready_output(ErlDrvData handle, ErlDrvEvent fd); static void trace_ip_finish(void); /* No arguments, despite what might be stated in any documentation */ -static int trace_ip_control(ErlDrvData handle, unsigned int command, - char* buff, int count, - char** res, int res_size); +static ErlDrvSSizeT trace_ip_control(ErlDrvData handle, + unsigned int command, + char* buff, ErlDrvSizeT count, + char** res, ErlDrvSizeT res_size); /* ** Internal routines @@ -210,11 +193,11 @@ static TraceIpData *lookup_data_by_port(int portno); static int set_nonblocking(SOCKET sock); static TraceIpMessage *make_buffer(int datasiz, unsigned char op, unsigned number); -static void enque_message(TraceIpData *data, unsigned char *buff, int bufflen, +static void enque_message(TraceIpData *data, char *buff, int bufflen, int byteswritten); static void clean_que(TraceIpData *data); static void close_client(TraceIpData *data); -static int trywrite(TraceIpData *data, unsigned char *buff, int bufflen); +static int trywrite(TraceIpData *data, char *buff, int bufflen); static SOCKET my_accept(SOCKET sock); static void close_unlink_port(TraceIpData *data); enum MySelectOp { SELECT_ON, SELECT_OFF, SELECT_CLOSE }; @@ -382,7 +365,7 @@ static void trace_ip_stop(ErlDrvData handle) /* ** Data sent from erlang to port. */ -static void trace_ip_output(ErlDrvData handle, char *buff, int bufflen) +static void trace_ip_output(ErlDrvData handle, char *buff, ErlDrvSizeT bufflen) { TraceIpData *data = (TraceIpData *) handle; if (data->flags & FLAG_LISTEN_PORT) { @@ -391,6 +374,7 @@ static void trace_ip_output(ErlDrvData handle, char *buff, int bufflen) } return; } + ASSERT(!IS_INVALID_SOCKET(data->fd)); if (data->que[data->questart] != NULL) { trace_ip_ready_output(handle, sock2event(data->fd)); } @@ -429,6 +413,7 @@ static void trace_ip_ready_input(ErlDrvData handle, ErlDrvEvent fd) /* ** Maybe accept, we are a listen port... */ + ASSERT(IS_INVALID_SOCKET(data->fd)); if (!IS_INVALID_SOCKET((client = my_accept(data->listenfd)))) { data->fd = client; set_nonblocking(client); @@ -516,7 +501,7 @@ static void trace_ip_ready_output(ErlDrvData handle, ErlDrvEvent fd) tim = data->que[data->questart]; towrite = tim->siz - tim->written; while((res = write_until_done(data->fd, - tim->bin + tim->written, towrite)) + (char *)tim->bin + tim->written, towrite)) == towrite) { driver_free(tim); data->que[data->questart] = NULL; @@ -548,9 +533,10 @@ static void trace_ip_ready_output(ErlDrvData handle, ErlDrvEvent fd) /* ** Control message from erlang, we handle $p, which is get_listen_port. */ -static int trace_ip_control(ErlDrvData handle, unsigned int command, - char* buff, int count, - char** res, int res_size) +static ErlDrvSSizeT trace_ip_control(ErlDrvData handle, + unsigned int command, + char* buff, ErlDrvSizeT count, + char** res, ErlDrvSizeT res_size) { register void *void_ptr; /* Soft type cast */ @@ -558,7 +544,7 @@ static int trace_ip_control(ErlDrvData handle, unsigned int command, TraceIpData *data = (TraceIpData *) handle; ErlDrvBinary *b = my_alloc_binary(3); b->orig_bytes[0] = '\0'; /* OK */ - put_be16(data->listen_portno, &(b->orig_bytes[1])); + put_be16(data->listen_portno, (unsigned char *)&(b->orig_bytes[1])); *res = void_ptr = b; return 0; } @@ -587,8 +573,8 @@ static void *my_alloc(size_t size) void *ret; if ((ret = driver_alloc(size)) == NULL) { /* May or may not work... */ - fprintf(stderr, "Could not allocate %d bytes of memory in %s.", - (int) size, __FILE__); + fprintf(stderr, "Could not allocate %lu bytes of memory in %s.", + (unsigned long) size, __FILE__); exit(1); } return ret; @@ -602,8 +588,8 @@ static ErlDrvBinary *my_alloc_binary(int size) ErlDrvBinary *ret; if ((ret = driver_alloc_binary(size)) == NULL) { /* May or may not work... */ - fprintf(stderr, "Could not allocate a binary of %d bytes in %s.", - (int) size, __FILE__); + fprintf(stderr, "Could not allocate a binary of %lu bytes in %s.", + (unsigned long) size, __FILE__); exit(1); } return ret; @@ -693,7 +679,7 @@ static TraceIpMessage *make_buffer(int datasiz, unsigned char op, ** Add message to que, discarding in a politically correct way... ** The FLAG_DROP_OLDEST is currently ingored... */ -static void enque_message(TraceIpData *data, unsigned char *buff, int bufflen, +static void enque_message(TraceIpData *data, char *buff, int bufflen, int byteswritten) { int diff = data->questop - data->questart; @@ -751,6 +737,7 @@ static void close_client(TraceIpData *data) { my_driver_select(data, data->fd, FLAG_WRITE | FLAG_READ, SELECT_CLOSE); data->flags |= FLAG_LISTEN_PORT; + data->fd = INVALID_SOCKET; if (!(data->flags & FLAG_FILL_ALWAYS)) { clean_que(data); } @@ -760,13 +747,13 @@ static void close_client(TraceIpData *data) ** Try to write a message from erlang directly (only called when que is empty ** and client is connected) */ -static int trywrite(TraceIpData *data, unsigned char *buff, int bufflen) +static int trywrite(TraceIpData *data, char *buff, int bufflen) { - unsigned char op[5]; + char op[5]; int res; op[0] = OP_BINARY; - put_be32(bufflen, op + 1); + put_be32(bufflen, (unsigned char *)op + 1); if ((res = write_until_done(data->fd, op, 5)) < 0) { close_client(data); @@ -790,7 +777,11 @@ static int trywrite(TraceIpData *data, unsigned char *buff, int bufflen) static SOCKET my_accept(SOCKET sock) { struct sockaddr_in sin; - int sin_size = sizeof(sin); +#ifdef HAVE_SOCKLEN_T + socklen_t sin_size = sizeof(sin); +#else + int sin_size = (int) sizeof(sin); +#endif return accept(sock, (struct sockaddr *) &sin, &sin_size); } @@ -903,7 +894,7 @@ static void stop_select(ErlDrvEvent event, void* _) WSACloseEvent((HANDLE)event); } -#else /* UNIX/VXWORKS */ +#else /* UNIX */ static int my_driver_select(TraceIpData *desc, SOCKET fd, int flags, enum MySelectOp op) { |