diff options
author | Lukas Larsson <[email protected]> | 2015-07-02 11:13:32 +0200 |
---|---|---|
committer | Lukas Larsson <[email protected]> | 2015-07-10 14:15:37 +0200 |
commit | c431a065ba515d27830f01c852f70940efb3003b (patch) | |
tree | 3fffccb470dc6cfa81bc397f4f35d5b5eb226d17 /erts/etc/common | |
parent | db2e9773f95a79b40e197031c7b8782392fa9d02 (diff) | |
download | otp-c431a065ba515d27830f01c852f70940efb3003b.tar.gz otp-c431a065ba515d27830f01c852f70940efb3003b.tar.bz2 otp-c431a065ba515d27830f01c852f70940efb3003b.zip |
ose: Remove all code related to the OSE port
The OSE port is no longer supported and this commit removed it
and any changes related to it. The things that were general
improvements have been left in the code.
Diffstat (limited to 'erts/etc/common')
-rw-r--r-- | erts/etc/common/Makefile.in | 83 | ||||
-rw-r--r-- | erts/etc/common/run_erl_common.c | 696 | ||||
-rw-r--r-- | erts/etc/common/run_erl_common.h | 97 | ||||
-rw-r--r-- | erts/etc/common/run_erl_vsn.h | 30 | ||||
-rw-r--r-- | erts/etc/common/safe_string.c | 123 | ||||
-rw-r--r-- | erts/etc/common/safe_string.h | 65 | ||||
-rw-r--r-- | erts/etc/common/to_erl_common.c | 717 | ||||
-rw-r--r-- | erts/etc/common/to_erl_common.h | 29 |
8 files changed, 12 insertions, 1828 deletions
diff --git a/erts/etc/common/Makefile.in b/erts/etc/common/Makefile.in index 8e55fa78c9..05d925f19f 100644 --- a/erts/etc/common/Makefile.in +++ b/erts/etc/common/Makefile.in @@ -21,10 +21,6 @@ include $(ERL_TOP)/make/output.mk include $(ERL_TOP)/make/target.mk -ifeq ($(findstring ose,$(TARGET)),ose) -include $(ERL_TOP)/make/$(TARGET)/ose_lm.mk -endif - ERTS_LIB_TYPEMARKER=.$(TYPE) USING_MINGW=@MIXED_CYGWIN_MINGW@ @@ -85,18 +81,13 @@ EMUOSDIR = $(ERL_TOP)/erts/emulator/@ERLANG_OSTYPE@ SYSDIR = $(ERL_TOP)/erts/emulator/sys/@ERLANG_OSTYPE@ DRVDIR = $(ERL_TOP)/erts/emulator/drivers/@ERLANG_OSTYPE@ UXETC = ../unix -OSEETC = ../ose WINETC = ../win32 ifeq ($(TARGET), win32) ETC = $(WINETC) else -ifeq ($(findstring ose,$(TARGET)),ose) -ETC = $(OSEETC) -else ETC = $(UXETC) endif -endif ifeq ($(TARGET), win32) ERLEXEC = erlexec.dll @@ -180,25 +171,6 @@ PORT_ENTRY_POINT=erl_port_entry ENTRY_LDFLAGS=-entry:$(PORT_ENTRY_POINT) else -ifeq ($(findstring ose,$(TARGET)),ose) -ENTRY_LDFLAGS= -ENTRY_OBJ= -ERLSRV_OBJECTS= -MC_OUTPUTS= -INET_GETHOST = -INSTALL_EMBEDDED_PROGS = $(BINDIR)/run_erl_lm -INSTALL_EMBEDDED_DATA = -INSTALL_TOP = Install -INSTALL_TOP_BIN = -INSTALL_MISC = -INSTALL_SRC = -ERLEXECDIR = . -INSTALL_LIBS = -INSTALL_OBJS = -INSTALL_INCLUDES = -TEXTFILES = Install erl.src -INSTALL_PROGS = $(INSTALL_EMBEDDED_PROGS) -else # UNIX (!win32 && !ose) ENTRY_LDFLAGS= ENTRY_OBJ= ERLSRV_OBJECTS= @@ -223,7 +195,6 @@ INSTALL_PROGS = \ $(BINDIR)/$(ERLEXEC) \ $(INSTALL_EMBEDDED_PROGS) endif -endif .PHONY: etc etc: $(ENTRY_OBJ) $(INSTALL_PROGS) $(INSTALL_LIBS) $(TEXTFILES) $(INSTALL_TOP_BIN) @@ -269,8 +240,8 @@ endif rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/to_erl.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/dyn_erl.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/safe_string.o - rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/run_erl_common.o - rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/to_erl_common.o + rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/run_erl.o + rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/to_erl.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/typer.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/ct_run.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/vxcall.o @@ -423,28 +394,24 @@ $(BINDIR)/inet_gethost@EXEEXT@: $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ) $(ERTS_LIB $(ld_verbose)$(PURIFY) $(LD) $(LDFLAGS) $(ENTRY_LDFLAGS) -o $@ $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ) $(LIBS) $(ERTS_INTERNAL_LIBS) # run_erl -$(BINDIR)/run_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o $(OBJDIR)/run_erl_common.o - $(V_LD) $(LDFLAGS) -o $@ $^ $(LIBS) -$(OBJDIR)/run_erl.o: $(ETC)/run_erl.c ../common/run_erl_common.h $(RC_GENERATED) - $(V_CC) $(CFLAGS) -I ../common/ -o $@ -c $(ETC)/run_erl.c -$(OBJDIR)/run_erl_common.o: ../common/run_erl_common.c ../common/run_erl_common.h $(RC_GENERATED) - $(V_CC) $(CFLAGS) -o $@ -c $< +$(BINDIR)/run_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o + $(V_LD) $(LDFLAGS) -o $@ $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o $(LIBS) +$(OBJDIR)/run_erl.o: $(ETC)/run_erl.c $(RC_GENERATED) + $(V_CC) $(CFLAGS) -o $@ -c $(ETC)/run_erl.c # to_erl -$(BINDIR)/to_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/to_erl.o $(OBJDIR)/to_erl_common.o - $(V_LD) $(LDFLAGS) -o $@ $^ -$(OBJDIR)/to_erl.o: $(ETC)/to_erl.c ../common/safe_string.h $(RC_GENERATED) - $(V_CC) $(CFLAGS) -I ../common/ -o $@ -c $(ETC)/to_erl.c -$(OBJDIR)/to_erl_common.o: ../common/to_erl_common.c ../common/to_erl_common.h $(RC_GENERATED) - $(V_CC) $(CFLAGS) -o $@ -c $< +$(BINDIR)/to_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/to_erl.o + $(V_LD) $(LDFLAGS) -o $@ $(OBJDIR)/safe_string.o $(OBJDIR)/to_erl.o +$(OBJDIR)/to_erl.o: $(ETC)/to_erl.c $(RC_GENERATED) + $(V_CC) $(CFLAGS) -o $@ -c $(ETC)/to_erl.c # dyn_erl $(BINDIR)/dyn_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/dyn_erl.o $(V_LD) $(LDFLAGS) -o $@ $(OBJDIR)/safe_string.o $(OBJDIR)/dyn_erl.o $(OBJDIR)/dyn_erl.o: $(UXETC)/dyn_erl.c $(RC_GENERATED) $(V_CC) $(CFLAGS) -o $@ -c $(UXETC)/dyn_erl.c -$(OBJDIR)/safe_string.o: ../common/safe_string.c $(RC_GENERATED) - $(V_CC) $(CFLAGS) -o $@ -c ../common/safe_string.c +$(OBJDIR)/safe_string.o: $(ETC)/safe_string.c $(RC_GENERATED) + $(V_CC) $(CFLAGS) -o $@ -c $(ETC)/safe_string.c ifneq ($(TARGET),win32) $(BINDIR)/$(ERLEXEC): $(OBJDIR)/$(ERLEXEC).o $(ERTS_LIB) @@ -499,30 +466,6 @@ erl.src: $(UXETC)/erl.src.src ../../vsn.mk $(TARGET)/Makefile -e 's;%VSN%;$(VSN);' \ $(UXETC)/erl.src.src > erl.src -#--------------------------------------------------------- -# OSE specific targets -#--------------------------------------------------------- -ifeq ($(findstring ose,$(TARGET)),ose) -$(OBJDIR)/ose_confd.o: $(OSE_CONFD) - $(V_CC) $(CFLAGS) -o $@ -c $< -$(OBJDIR)/crt0_lm.o: $(CRT0_LM) - $(V_CC) $(CFLAGS) -o $@ -c $< -OSE_LM_OBJS += $(OBJDIR)/ose_confd.o $(OBJDIR)/crt0_lm.o - -$(BINDIR)/run_erl_lm: $(OBJDIR)/run_erl_main.o $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o $(OBJDIR)/run_erl_common.o $(OBJDIR)/to_erl_common.o $(OSE_LM_OBJS) - $(call build-ose-load-module, $@, $^, $(LIBS), $(RUN_ERL_LMCONF)) - - -$(OBJDIR)/run_erl_main.o: $(OSEETC)/run_erl_main.c $(OSEETC)/run_erl.h ../common/to_erl_common.h $(RC_GENERATED) - $(V_CC) $(CFLAGS) -I ../common/ -o $@ -c $(OSEETC)/run_erl_main.c - -endif - -#--------------------------------------------------------- -# End of ose specific targets. -#--------------------------------------------------------- - - # ---------------------------------------------------- # Release Target # ---------------------------------------------------- @@ -537,11 +480,9 @@ endif $(INSTALL_DIR) "$(RELEASE_PATH)/erts-$(VSN)/bin" ifneq ($(TARGET), win32) ifneq ($(findstring vxworks,$(TARGET)), vxworks) -ifneq ($(findstring ose,$(TARGET)), ose) $(INSTALL_SCRIPT) erl.src "$(RELEASE_PATH)/erts-$(VSN)/bin" endif endif -endif ifneq ($(INSTALL_PROGS),) $(INSTALL_PROGRAM) $(INSTALL_PROGS) "$(RELEASE_PATH)/erts-$(VSN)/bin" endif diff --git a/erts/etc/common/run_erl_common.c b/erts/etc/common/run_erl_common.c deleted file mode 100644 index c03d5e3ae2..0000000000 --- a/erts/etc/common/run_erl_common.c +++ /dev/null @@ -1,696 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2014. All Rights Reserved. - * - * 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% - */ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include <dirent.h> -#include <errno.h> -#include <fcntl.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <time.h> -#include <unistd.h> - -#ifdef __ANDROID__ -# include <termios.h> -#endif - -#ifdef HAVE_SYSLOG_H -# include <syslog.h> -#endif - -#ifdef HAVE_SYS_IOCTL_H -# include <sys/ioctl.h> -#endif - -#ifdef __OSE__ -# include "ramlog.h" -#endif - -#include "run_erl_common.h" -#include "safe_string.h" - -#define DEFAULT_LOG_GENERATIONS 5 -#define LOG_MAX_GENERATIONS 1000 /* No more than 1000 log files */ -#define LOG_MIN_GENERATIONS 2 /* At least two to switch between */ -#define DEFAULT_LOG_MAXSIZE 100000 -#define LOG_MIN_MAXSIZE 1000 /* Smallast value for changing log file */ -#define LOG_STUBNAME "erlang.log." -#define LOG_PERM 0664 -#define DEFAULT_LOG_ACTIVITY_MINUTES 5 -#define DEFAULT_LOG_ALIVE_MINUTES 15 -#define DEFAULT_LOG_ALIVE_FORMAT "%a %b %e %T %Z %Y" -#define ALIVE_BUFFSIZ 1024 - -#define STATUSFILENAME "/run_erl.log" - -#define PIPE_STUBNAME "erlang.pipe" -#define PIPE_STUBLEN strlen(PIPE_STUBNAME) -#define PERM (S_IWUSR | S_IRUSR | S_IWOTH | S_IROTH | S_IWGRP | S_IRGRP) - -/* OSE has defined O_SYNC but it is not recognized by open */ -#if !defined(O_SYNC) || defined(__OSE__) -#undef O_SYNC -#define O_SYNC 0 -#define USE_FSYNC 1 -#endif - -/* Global variable definitions - * We need this complex way of handling global variables because of how - * OSE works here. We want to make it possible to run the shell command - * run_erl multiple times with different global variables without them - * effecting eachother. - */ - -#define STATUSFILE (RE_DATA->statusfile) -#define LOG_DIR (RE_DATA->log_dir) -#define STDSTATUS (RE_DATA->stdstatus) -#define LOG_GENERATIONS (RE_DATA->log_generations) -#define LOG_MAXSIZE (RE_DATA->log_maxsize) -#define LOG_ACTIVITY_MINUTES (RE_DATA->log_activity_minutes) -#define LOG_ALIVE_IN_GMT (RE_DATA->log_alive_in_gmt) -#define LOG_ALIVE_FORMAT (RE_DATA->log_alive_format) -#define RUN_DAEMON (RE_DATA->run_daemon) -#define LOG_ALIVE_MINUTES (RE_DATA->log_alive_minutes) -#define LOG_NUM (RE_DATA->log_num) -#define LFD (RE_DATA->lfd) -#define PROTOCOL_VER (RE_DATA->protocol_ver) - -struct run_erl_ { - /* constant config data */ - char statusfile[FILENAME_BUFSIZ]; - char log_dir[FILENAME_BUFSIZ]; - FILE *stdstatus; - int log_generations; - int log_maxsize; - int log_activity_minutes; - int log_alive_in_gmt; - char log_alive_format[ALIVE_BUFFSIZ+1]; - int run_daemon; - int log_alive_minutes; - /* Current log number and log fd */ - int log_num; - int lfd; - unsigned protocol_ver; -}; - -typedef struct run_erl_ run_erl; - -#ifdef __OSE__ -static OSPPDKEY run_erl_pp_key; -#define RE_DATA (*(run_erl**)ose_get_ppdata(run_erl_pp_key)) -#else -static run_erl re; -#define RE_DATA (&re) -#endif - -/* prototypes */ - -static int next_log(int log_num); -static int prev_log(int log_num); -static int find_next_log_num(void); -static int open_log(int log_num, int flags); - -/* - * getenv_int: - */ -static char *getenv_int(const char *name) { -#ifdef __OSE__ - return get_env(get_bid(current_process()),name); -#else - return getenv(name); -#endif -} - -/* - * next_log: - * Returns the index number that follows the given index number. - * (Wrapping after log_generations) - */ -static int next_log(int log_num) { - return log_num>=LOG_GENERATIONS?1:log_num+1; -} - -/* - * prev_log: - * Returns the index number that precedes the given index number. - * (Wrapping after log_generations) - */ -static int prev_log(int log_num) { - return log_num<=1?LOG_GENERATIONS:log_num-1; -} - -/* - * find_next_log_num() - * Searches through the log directory to check which logs that already - * exist. It finds the "hole" in the sequence, and returns the index - * number for the last log in the log sequence. If there is no hole, index - * 1 is returned. - */ -static int find_next_log_num(void) { - int i, next_gen, log_gen; - DIR *dirp; - struct dirent *direntp; - int log_exists[LOG_MAX_GENERATIONS+1]; - int stub_len = strlen(LOG_STUBNAME); - - /* Initialize exiting log table */ - - for(i=LOG_GENERATIONS; i>=0; i--) - log_exists[i] = 0; - dirp = opendir(LOG_DIR); - if(!dirp) { - ERRNO_ERR1(LOG_ERR,"Can't access log directory '%s'", LOG_DIR); - exit(1); - } - - /* Check the directory for existing logs */ - - while((direntp=readdir(dirp)) != NULL) { - if(strncmp(direntp->d_name,LOG_STUBNAME,stub_len)==0) { - int num = atoi(direntp->d_name+stub_len); - if(num < 1 || num > LOG_GENERATIONS) - continue; - log_exists[num] = 1; - } - } - closedir(dirp); - - /* Find out the next available log file number */ - - next_gen = 0; - for(i=LOG_GENERATIONS; i>=0; i--) { - if(log_exists[i]) - if(next_gen) - break; - else - ; - else - next_gen = i; - } - - /* Find out the current log file number */ - - if(next_gen) - log_gen = prev_log(next_gen); - else - log_gen = 1; - - return log_gen; -} /* find_next_log_num() */ - -static int open_log(int log_num, int flags) -{ - char buf[FILENAME_MAX]; - time_t now; - struct tm *tmptr; - char log_buffer[ALIVE_BUFFSIZ+1]; - - /* Remove the next log (to keep a "hole" in the log sequence) */ - sn_printf(buf, sizeof(buf), "%s/%s%d", - LOG_DIR, LOG_STUBNAME, next_log(log_num)); - unlink(buf); - - /* Create or continue on the current log file */ - sn_printf(buf, sizeof(buf), "%s/%s%d", LOG_DIR, LOG_STUBNAME, log_num); - - LFD = sf_open(buf, flags, LOG_PERM); - - if(LFD <0){ - ERRNO_ERR1(LOG_ERR,"Can't open log file '%s'.", buf); - exit(1); - } - - /* Write a LOGGING STARTED and time stamp into the log file */ - time(&now); - if (LOG_ALIVE_IN_GMT) { - tmptr = gmtime(&now); - } else { - tmptr = localtime(&now); - } - if (!strftime(log_buffer, ALIVE_BUFFSIZ, LOG_ALIVE_FORMAT, - tmptr)) { - strn_cpy(log_buffer, sizeof(log_buffer), - "(could not format time in 256 positions " - "with current format string.)"); - } - log_buffer[ALIVE_BUFFSIZ] = '\0'; - - sn_printf(buf, sizeof(buf), "\n=====\n===== LOGGING STARTED %s\n=====\n", - log_buffer); - if (erts_run_erl_write_all(LFD, buf, strlen(buf)) < 0) - erts_run_erl_log_status("Error in writing to log.\n"); - -#if USE_FSYNC - fsync(LFD); -#endif - - return LFD; -} - -/* Instead of making sure basename exists, we do our own */ -char *simple_basename(char *path) -{ - char *ptr; - for (ptr = path; *ptr != '\0'; ++ptr) { - if (*ptr == '/') { - path = ptr + 1; - } - } - return path; -} - -ssize_t sf_read(int fd, void *buffer, size_t len) { - ssize_t n = 0; - - do { n = read(fd, buffer, len); } while (n < 0 && errno == EINTR); - - return n; -} - -ssize_t sf_write(int fd, const void *buffer, size_t len) { - ssize_t n = 0; - - do { n = write(fd, buffer, len); } while (n < 0 && errno == EINTR); - - return n; -} - -int sf_open(const char *path, int type, mode_t mode) { - int fd = 0; - - do { fd = open(path, type, mode); } while(fd < 0 && errno == EINTR); - - return fd; -} - -int sf_close(int fd) { - int res = 0; - - do { res = close(fd); } while(res < 0 && errno == EINTR); - - return res; -} - -/* Call write() until entire buffer has been written or error. - * Return len or -1. - */ -int erts_run_erl_write_all(int fd, const char* buf, int len) -{ - int left = len; - int written; - for (;;) { - do { - written = write(fd,buf,left); - } while (written < 0 && errno == EINTR); - if (written == left) { - return len; - } - if (written < 0) { - return -1; - } - left -= written; - buf += written; - } - return written; -} - -/* erts_run_erl_log_status() - * Prints the arguments to a status file - * Works like printf (see vfrpintf) - */ -void erts_run_erl_log_status(const char *format,...) -{ - va_list args; - time_t now; - - if (STDSTATUS == NULL) - STDSTATUS = fopen(STATUSFILE, "w"); - if (STDSTATUS == NULL) - return; - now = time(NULL); - fprintf(STDSTATUS, "run_erl [%d] %s", -#ifdef __OSE__ - (int)current_process(), -#else - (int)getpid(), -#endif - ctime(&now)); - va_start(args, format); - vfprintf(STDSTATUS, format, args); - va_end(args); - fflush(STDSTATUS); - return; -} - -/* Fetch the current log alive minutes */ -int erts_run_erl_log_alive_minutes() { - return LOG_ALIVE_MINUTES; -} - -/* error_logf() - * Prints the arguments to stderr or syslog - * Works like printf (see vfprintf) - */ -void erts_run_erl_log_error(int priority, int line, const char *format, ...) -{ - va_list args; - va_start(args, format); - -#ifdef HAVE_SYSLOG_H - if (RUN_DAEMON) { - vsyslog(priority,format,args); - } - else -#endif -#ifdef __OSE__ - if (RUN_DAEMON) { - char *buff = malloc(sizeof(char)*1024); - vsnprintf(buff,1024,format, args); - ramlog_printf(buff); - } - else -#endif - { - time_t now = time(NULL); - fprintf(stderr, "run_erl:%d [%d] %s", line, -#ifdef __OSE__ - (int)current_process(), -#else - (int)getpid(), -#endif - ctime(&now)); - vfprintf(stderr, format, args); - } - va_end(args); -} - -/* erts_run_erl_log_write() - * Writes a message to lfd. If the current log file is full, - * a new log file is opened. - */ -int erts_run_erl_log_write(char* buf, size_t len) -{ - int size; - ssize_t res; - /* Decide if new logfile needed, and open if so */ - - size = lseek(LFD,0,SEEK_END); - if(size+len > LOG_MAXSIZE) { - int res; - do { - res = close(LFD); - } while (res < 0 && errno == EINTR); - LOG_NUM = next_log(LOG_NUM); - LFD = open_log(LOG_NUM, O_RDWR|O_CREAT|O_TRUNC|O_SYNC); - } - - /* Write to log file */ - - if ((res = erts_run_erl_write_all(LFD, buf, len)) < 0) { - erts_run_erl_log_status("Error in writing to log.\n"); - } - -#if USE_FSYNC - fsync(LFD); -#endif - return res; -} - -int erts_run_erl_log_activity(int timeout,time_t now,time_t last_activity) { - char log_alive_buffer[ALIVE_BUFFSIZ+1]; - char buf[BUFSIZ]; - - if (timeout || now - last_activity > LOG_ACTIVITY_MINUTES*60) { - /* Either a time out: 15 minutes without action, */ - /* or something is coming in right now, but it's a long time */ - /* since last time, so let's write a time stamp this message */ - struct tm *tmptr; - if (LOG_ALIVE_IN_GMT) { - tmptr = gmtime(&now); - } else { - tmptr = localtime(&now); - } - if (!strftime(log_alive_buffer, ALIVE_BUFFSIZ, LOG_ALIVE_FORMAT, - tmptr)) { - strn_cpy(log_alive_buffer, sizeof(log_alive_buffer), - "(could not format time in 256 positions " - "with current format string.)"); - } - log_alive_buffer[ALIVE_BUFFSIZ] = '\0'; - - sn_printf(buf, sizeof(buf), "\n===== %s%s\n", - timeout?"ALIVE ":"", log_alive_buffer); - return erts_run_erl_log_write(buf, strlen(buf)); - } - return 0; -} - -int erts_run_erl_log_open() { - - LOG_NUM = find_next_log_num(); - LFD = open_log(LOG_NUM, O_RDWR|O_APPEND|O_CREAT|O_SYNC); - return 0; -} - -int erts_run_erl_log_init(int daemon, char* logdir) { - char *p; - -#ifdef __OSE__ - run_erl **re_pp; - if (!run_erl_pp_key) - ose_create_ppdata("run_erl_ppdata",&run_erl_pp_key); - re_pp = (run_erl **)ose_get_ppdata(run_erl_pp_key); - *re_pp = malloc(sizeof(run_erl)); -#endif - - STDSTATUS = NULL; - LOG_GENERATIONS = DEFAULT_LOG_GENERATIONS; - LOG_MAXSIZE = DEFAULT_LOG_MAXSIZE; - LOG_ACTIVITY_MINUTES = DEFAULT_LOG_ACTIVITY_MINUTES; - LOG_ALIVE_IN_GMT = 0; - RUN_DAEMON = 0; - LOG_ALIVE_MINUTES = DEFAULT_LOG_ALIVE_MINUTES; - LFD = 0; - PROTOCOL_VER = RUN_ERL_LO_VER; /* assume lowest to begin with */ - - /* Get values for LOG file handling from the environment */ - if ((p = getenv_int("RUN_ERL_LOG_ALIVE_MINUTES"))) { - LOG_ALIVE_MINUTES = atoi(p); - if (!LOG_ALIVE_MINUTES) { - ERROR1(LOG_ERR,"Minimum value for RUN_ERL_LOG_ALIVE_MINUTES is 1 " - "(current value is %s)",p); - } - LOG_ACTIVITY_MINUTES = LOG_ALIVE_MINUTES / 3; - if (!LOG_ACTIVITY_MINUTES) { - ++LOG_ACTIVITY_MINUTES; - } - } - if ((p = getenv_int( - "RUN_ERL_LOG_ACTIVITY_MINUTES"))) { - LOG_ACTIVITY_MINUTES = atoi(p); - if (!LOG_ACTIVITY_MINUTES) { - ERROR1(LOG_ERR,"Minimum value for RUN_ERL_LOG_ACTIVITY_MINUTES is 1 " - "(current value is %s)",p); - } - } - if ((p = getenv_int("RUN_ERL_LOG_ALIVE_FORMAT"))) { - if (strlen(p) > ALIVE_BUFFSIZ) { - ERROR1(LOG_ERR, "RUN_ERL_LOG_ALIVE_FORMAT can contain a maximum of " - "%d characters", ALIVE_BUFFSIZ); - } - strn_cpy(LOG_ALIVE_FORMAT, sizeof(LOG_ALIVE_FORMAT), p); - } else { - strn_cpy(LOG_ALIVE_FORMAT, sizeof(LOG_ALIVE_FORMAT), - DEFAULT_LOG_ALIVE_FORMAT); - } - if ((p = getenv_int("RUN_ERL_LOG_ALIVE_IN_UTC")) - && strcmp(p,"0")) { - ++LOG_ALIVE_IN_GMT; - } - if ((p = getenv_int("RUN_ERL_LOG_GENERATIONS"))) { - LOG_GENERATIONS = atoi(p); - if (LOG_GENERATIONS < LOG_MIN_GENERATIONS) - ERROR1(LOG_ERR,"Minimum RUN_ERL_LOG_GENERATIONS is %d", - LOG_MIN_GENERATIONS); - if (LOG_GENERATIONS > LOG_MAX_GENERATIONS) - ERROR1(LOG_ERR,"Maximum RUN_ERL_LOG_GENERATIONS is %d", - LOG_MAX_GENERATIONS); - } - - if ((p = getenv_int("RUN_ERL_LOG_MAXSIZE"))) { - LOG_MAXSIZE = atoi(p); - if (LOG_MAXSIZE < LOG_MIN_MAXSIZE) - ERROR1(LOG_ERR,"Minimum RUN_ERL_LOG_MAXSIZE is %d", LOG_MIN_MAXSIZE); - } - - RUN_DAEMON = daemon; - - strn_cpy(LOG_DIR, sizeof(LOG_DIR), logdir); - strn_cpy(STATUSFILE, sizeof(STATUSFILE), LOG_DIR); - strn_cat(STATUSFILE, sizeof(STATUSFILE), STATUSFILENAME); - - return 0; -} - -/* create_fifo() - * Creates a new fifo with the given name and permission. - */ -static int create_fifo(char *name, int perm) -{ - if ((mkfifo(name, perm) < 0) && (errno != EEXIST)) - return -1; - return 0; -} - -/* - * w- and r_pipename have to be pre-allocated of atleast FILENAME_MAX size - */ -int erts_run_erl_open_fifo(char *pipename,char *w_pipename,char *r_pipename) { - int calculated_pipename = 0; - int highest_pipe_num = 0; - int fd; - - /* - * Create FIFOs and open them - */ - - if(*pipename && pipename[strlen(pipename)-1] == '/') { - /* The user wishes us to find a unique pipe name in the specified */ - /* directory */ - DIR *dirp; - struct dirent *direntp; - - calculated_pipename = 1; - dirp = opendir(pipename); - if(!dirp) { - ERRNO_ERR1(LOG_ERR,"Can't access pipe directory '%s'.", pipename); - return 1; - } - - /* Check the directory for existing pipes */ - - while((direntp=readdir(dirp)) != NULL) { - if(strncmp(direntp->d_name,PIPE_STUBNAME,PIPE_STUBLEN)==0) { - int num = atoi(direntp->d_name+PIPE_STUBLEN+1); - if(num > highest_pipe_num) - highest_pipe_num = num; - } - } - closedir(dirp); - strn_catf(pipename, BUFSIZ, "%s.%d", - PIPE_STUBNAME, highest_pipe_num+1); - } /* if */ - - for(;;) { - /* write FIFO - is read FIFO for `to_erl' program */ - strn_cpy(w_pipename, BUFSIZ, pipename); - strn_cat(w_pipename, BUFSIZ, ".r"); - if (create_fifo(w_pipename, PERM) < 0) { - ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for writing.", - w_pipename); - return 1; - } - - /* read FIFO - is write FIFO for `to_erl' program */ - strn_cpy(r_pipename, BUFSIZ, pipename); - strn_cat(r_pipename, BUFSIZ, ".w"); - - /* Check that nobody is running run_erl already */ - if ((fd = sf_open(r_pipename, O_WRONLY|DONT_BLOCK_PLEASE, 0)) >= 0) { - /* Open as client succeeded -- run_erl is already running! */ - sf_close(fd); - if (calculated_pipename) { - ++highest_pipe_num; - strn_catf(pipename, BUFSIZ, "%s.%d", - PIPE_STUBNAME, highest_pipe_num+1); - continue; - } - ERROR1(LOG_ERR, "Erlang already running on pipe %s.\n", pipename); - unlink(w_pipename); - return 1; - } - if (create_fifo(r_pipename, PERM) < 0) { - unlink(w_pipename); - ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for reading.", - r_pipename); - return 1; - } - break; - } - return 0; -} - -/* Extract any control sequences that are ment only for run_erl - * and should not be forwarded to the pty. - */ -int erts_run_erl_extract_ctrl_seq(char* buf, int len, int mfd) -{ - static const char prefix[] = "\033_"; - static const char suffix[] = "\033\\"; - char* bufend = buf + len; - char* start = buf; - char* command; - char* end; - - for (;;) { - start = find_str(start, bufend-start, prefix); - if (!start) break; - - command = start + strlen(prefix); - end = find_str(command, bufend-command, suffix); - if (end) { - unsigned col, row; - if (sscanf(command,"version=%u", &PROTOCOL_VER)==1) { - /*fprintf(stderr,"to_erl v%u\n", protocol_ver);*/ - } - else if (sscanf(command,"winsize=%u,%u", &col, &row)==2) { -#ifdef TIOCSWINSZ - struct winsize ws; - ws.ws_col = col; - ws.ws_row = row; - if (ioctl(mfd, TIOCSWINSZ, &ws) < 0) { - ERRNO_ERR0(LOG_ERR,"Failed to set window size"); - } -#endif - } - else { - ERROR2(LOG_ERR, "Ignoring unknown ctrl command '%.*s'\n", - (int)(end-command), command); - } - - /* Remove ctrl sequence from buf */ - end += strlen(suffix); - memmove(start, end, bufend-end); - bufend -= end - start; - } - else { - ERROR2(LOG_ERR, "Missing suffix in ctrl sequence '%.*s'\n", - (int)(bufend-start), start); - break; - } - } - return bufend - buf; -} diff --git a/erts/etc/common/run_erl_common.h b/erts/etc/common/run_erl_common.h deleted file mode 100644 index cecf7521f9..0000000000 --- a/erts/etc/common/run_erl_common.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2013. All Rights Reserved. - * - * 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% - */ -/* - * Functions that are common to both OSE and unix implementations of run_erl - */ -#ifndef ERL_RUN_ERL_LOG_H -#define ERL_RUN_ERL_LOG_H - -#include <stdio.h> -#include <time.h> -#include <unistd.h> - -#include "run_erl_vsn.h" - -/* Log handling */ -int erts_run_erl_log_init(int run_daemon, char* logdir); -int erts_run_erl_log_open(void); -int erts_run_erl_log_close(void); -int erts_run_erl_log_write(char *buff, size_t len); -int erts_run_erl_log_activity(int timeout, time_t now, time_t last_activity); - -void erts_run_erl_log_status(const char *format,...); -void erts_run_erl_log_error(int priority, int line, const char *format,...); - -int erts_run_erl_open_fifo(char *pipename,char *w_pipename,char *r_pipename); -int erts_run_erl_log_alive_minutes(void); -int erts_run_erl_extract_ctrl_seq(char* buf, int len, int mfd); - -/* File operations */ -ssize_t sf_read(int fd, void *buffer, size_t len); -ssize_t sf_write(int fd, const void *buffer, size_t len); -int sf_open(const char *path, int type, mode_t mode); -int sf_close(int fd); -int erts_run_erl_write_all(int fd, const char* buf, int len); -char *simple_basename(char *path); - -#ifndef LOG_ERR -#ifdef __OSE__ -#define LOG_ERR 0 -#else -#define LOG_ERR NULL -#endif -#endif - -#define ERROR0(Prio,Format) erts_run_erl_log_error(Prio,__LINE__,Format"\n") -#define ERROR1(Prio,Format,A1) erts_run_erl_log_error(Prio,__LINE__,Format"\n",A1) -#define ERROR2(Prio,Format,A1,A2) erts_run_erl_log_error(Prio,__LINE__,Format"\n",A1,A2) - -#ifdef HAVE_STRERROR -# define ADD_ERRNO(Format) "errno=%d '%s'\n"Format"\n",errno,strerror(errno) -#else -# define ADD_ERRNO(Format) "errno=%d\n"Format"\n",errno -#endif -#define ERRNO_ERR0(Prio,Format) erts_run_erl_log_error(Prio,__LINE__,ADD_ERRNO(Format)) -#define ERRNO_ERR1(Prio,Format,A1) erts_run_erl_log_error(Prio,__LINE__,ADD_ERRNO(Format),A1) -#define ERRNO_ERR2(Prio,Format,A1,A2) erts_run_erl_log_error(Prio,__LINE__,ADD_ERRNO(Format),A1,A2) - -#define RUN_ERL_USAGE \ - "%s (pipe_name|pipe_dir/) log_dir \"command [parameters ...]\"" \ - "\n\nDESCRIPTION:\n" \ - "You may also set the environment variables RUN_ERL_LOG_GENERATIONS\n" \ - "and RUN_ERL_LOG_MAXSIZE to the number of log files to use and the\n" \ - "size of the log file when to switch to the next log file\n" - -#ifndef FILENAME_MAX -#define FILENAME_MAX 250 -#endif - -#define FILENAME_BUFSIZ FILENAME_MAX - -#ifdef O_NONBLOCK -# define DONT_BLOCK_PLEASE O_NONBLOCK -#else -# define DONT_BLOCK_PLEASE O_NDELAY -# ifndef EAGAIN -# define EAGAIN -3898734 -# endif -#endif - -#endif diff --git a/erts/etc/common/run_erl_vsn.h b/erts/etc/common/run_erl_vsn.h deleted file mode 100644 index 2c3e67e81c..0000000000 --- a/erts/etc/common/run_erl_vsn.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2008-2009. All Rights Reserved. - * - * 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% - */ - -/* - * The protocol version number used between to_erl and run_erl. - */ -#define RUN_ERL_HI_VER 1 /* My preferred protocol version */ -#define RUN_ERL_LO_VER 0 /* The lowest version I accept to talk with */ - -/* Version history: - * 0: Older, without version handshake - * 1: R12B-3, version handshake + window size ctrl - */ diff --git a/erts/etc/common/safe_string.c b/erts/etc/common/safe_string.c deleted file mode 100644 index cdcdbf16f0..0000000000 --- a/erts/etc/common/safe_string.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2008-2009. All Rights Reserved. - * - * 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% - */ -/* - * Module: safe_string.c - * - * This is a bunch of generic string operation - * that are safe regarding buffer overflow. - * - * All string functions terminate the process with an error message - * on buffer overflow. - */ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif -#include "safe_string.h" -#include <stdio.h> -#include <string.h> -#include <stdarg.h> -#include <stdlib.h> - - -static void string_overflow_handler(const char* format, ...) -{ - va_list args; - va_start(args, format); - vfprintf(stderr,format,args); - va_end(args); - exit(1); -} - -int vsn_printf(char* dst, size_t size, const char* format, va_list args) -{ - int ret = vsnprintf(dst, size, format, args); - if (ret >= size || ret < 0) { - string_overflow_handler("Buffer truncated '%s'\n",dst); - } - return ret; -} - -int sn_printf(char* dst, size_t size, const char* format, ...) -{ - va_list args; - int ret; - va_start(args, format); - ret = vsn_printf(dst,size,format,args); - va_end(args); - return ret; -} - -int strn_cpy(char* dst, size_t size, const char* src) -{ - return sn_printf(dst,size,"%s",src); -} - -int strn_cat(char* dst, size_t size, const char* src) -{ - return strn_catf(dst,size,"%s",src); -} - -int strn_catf(char* dst, size_t size, const char* format, ...) -{ - int ret; - va_list args; -#ifdef _GNU_SOURCE - int len = strnlen(dst,size); -#else - int len = strlen(dst); -#endif - - if (len >= size) { - string_overflow_handler("Buffer already overflowed '%.*s'\n", - size, dst); - } - va_start(args, format); - ret = vsn_printf(dst+len, size-len, format, args); - va_end(args); - return len+ret; -} - -char* find_str(const char* haystack, int hsize, const char* needle) -{ - int i = 0; - int nsize = strlen(needle); - hsize -= nsize - 1; - for (i=0; i<hsize; i++) { - if (haystack[i]==needle[0] && strncmp(haystack+i,needle,nsize)==0) { - return (char*)(haystack+i); - } - } - return NULL; -} - -#ifndef HAVE_MEMMOVE -void* memmove(void *dest, const void *src, size_t n) -{ - int i; - if (src > dest) { - for (i=0; i<n; i++) ((char*)dest)[i] = ((char*)src)[i]; - } - else { - for (i=(int)(n-1); i>=0; i--) ((char*)dest)[i] = ((char*)src)[i]; - } - return dest; -} -#endif /* HAVE_MEMMOVE */ diff --git a/erts/etc/common/safe_string.h b/erts/etc/common/safe_string.h deleted file mode 100644 index f9d2b2023a..0000000000 --- a/erts/etc/common/safe_string.h +++ /dev/null @@ -1,65 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2008-2009. All Rights Reserved. - * - * 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% - */ -/* - * Module: safe_string.h - * - * This is an interface to a bunch of generic string operation - * that are safe regarding buffer overflow. - * - * All string functions terminate the process with an error message - * on buffer overflow. - */ - -#include <stdio.h> -#include <stdarg.h> - -/* Like vsnprintf() - */ -int vsn_printf(char* dst, size_t size, const char* format, va_list args); - -/* Like snprintf() - */ -int sn_printf(char* dst, size_t size, const char* format, ...); - -/* Like strncpy() - * Returns length of copied string. - */ -int strn_cpy(char* dst, size_t size, const char* src); - -/* Almost like strncat() - * size is sizeof entire dst buffer. - * Returns length of resulting string. - */ -int strn_cat(char* dst, size_t size, const char* src); - -/* Combination of strncat() and snprintf() - * size is sizeof entire dst buffer. - * Returns length of resulting string. - */ -int strn_catf(char* dst, size_t size, const char* format, ...); - -/* Simular to strstr() but search size bytes of haystack - * without regard to '\0' characters. - */ -char* find_str(const char* haystack, int size, const char* needle); - -#ifndef HAVE_MEMMOVE -void* memmove(void *dest, const void *src, size_t n); -#endif diff --git a/erts/etc/common/to_erl_common.c b/erts/etc/common/to_erl_common.c deleted file mode 100644 index 8aa94ccfa4..0000000000 --- a/erts/etc/common/to_erl_common.c +++ /dev/null @@ -1,717 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 1996-2013. All Rights Reserved. - * - * 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% - */ -/* - * Module: to_erl.c - * - * This module implements a process that opens two specified FIFOs, one - * for reading and one for writing; reads from its stdin, and writes what - * it has read to the write FIF0; reads from the read FIFO, and writes to - * its stdout. - * - ________ _________ - | |--<-- pipe.r (fifo1) --<--| | - | to_erl | | run_erl | (parent) - |________|-->-- pipe.w (fifo2) -->--|_________| - ^ master pty - | - | slave pty - ____V____ - | | - | "erl" | (child) - |_________| - */ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <sys/types.h> -#include <fcntl.h> -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <dirent.h> -#include <errno.h> - -#ifdef __OSE__ -#include <aio.h> -#include "ose.h" -#include "efs.h" -#include "ose_spi/fm.sig" -#else /* __UNIX__ */ -#include <termios.h> -#include <signal.h> -#endif - -#ifdef HAVE_SYS_IOCTL_H -# include <sys/ioctl.h> -#endif - -#include "to_erl_common.h" -#include "run_erl_vsn.h" -#include "safe_string.h" /* strn_cpy, strn_catf, sn_printf, etc. */ - -#if defined(O_NONBLOCK) -# define DONT_BLOCK_PLEASE O_NONBLOCK -#else -# define DONT_BLOCK_PLEASE O_NDELAY -# if !defined(EAGAIN) -# define EAGAIN -3898734 -# endif -#endif - -#ifdef HAVE_STRERROR -# define STRERROR(x) strerror(x) -#else -# define STRERROR(x) "" -#endif - -#define noDEBUG - -#ifdef __OSE__ -#define PIPE_DIR "/pipe/" -#else -#define PIPE_DIR "/tmp/" -#endif -#define PIPE_STUBNAME "erlang.pipe" -#define PIPE_STUBLEN strlen(PIPE_STUBNAME) - -#ifdef DEBUG -#define STATUS(s) { fprintf(stderr, (s)); fflush(stderr); } -#else -#define STATUS(s) -#endif - -#ifndef FILENAME_MAX -#define FILENAME_MAX 250 -#endif - -static int tty_eof = 0; -static int protocol_ver = RUN_ERL_LO_VER; /* assume lowest to begin with */ - -static int write_all(int fd, const char* buf, int len); -static int version_handshake(char* buf, int len, int wfd); - - -#ifdef __OSE__ - -#define SET_AIO(REQ,FD,SIZE,BUFF) \ - /* Make sure to clean data structure of previous request */ \ - memset(&(REQ),0,sizeof(REQ)); \ - (REQ).aio_fildes = FD; \ - (REQ).aio_offset = FM_POSITION_CURRENT; \ - (REQ).aio_nbytes = SIZE; \ - (REQ).aio_buf = BUFF; \ - (REQ).aio_sigevent.sigev_notify = SIGEV_NONE - -#define READ_AIO(REQ,FD,SIZE,BUFF) \ - SET_AIO(REQ,FD,SIZE,BUFF); \ - if (aio_read(&(REQ)) != 0) \ - fprintf(stderr,"aio_read of child_read_req(%d) failed" \ - "with error %d\n",FD,errno) - -union SIGNAL { - SIGSELECT signo; - struct FmReadPtr fm_read_ptr; -}; - -#else /* __UNIX__ */ -static int recv_sig = 0; -static struct termios tty_smode, tty_rmode; -static int window_size_seq(char* buf, size_t bufsz); -#ifdef DEBUG -static void show_terminal_settings(struct termios *); -#endif - -static void handle_ctrlc(int sig) -{ - /* Reinstall the handler, and signal break flag */ - signal(SIGINT,handle_ctrlc); - recv_sig = SIGINT; -} - -static void handle_sigwinch(int sig) -{ - recv_sig = SIGWINCH; -} -#endif - -static void usage(char *pname) -{ - fprintf(stderr, "Usage: "); - fprintf(stderr,TO_ERL_USAGE,pname); -} - -int to_erl(int argc, char **argv) -{ - char FIFO1[FILENAME_MAX], FIFO2[FILENAME_MAX]; - int i, len, wfd, rfd; - char pipename[FILENAME_MAX]; - int pipeIx = 1; - int force_lock = 0; - int got_some = 0; - -#ifdef __OSE__ - struct aiocb stdin_read_req, pipe_read_req; - FmHandle stdin_fh, pipe_fh; - char *stdin_buf, *pipe_buf; - char *buf; - union SIGNAL *sig; -#else /* __UNIX__ */ - char buf[BUFSIZ]; - fd_set readfds; -#endif - - if (argc >= 2 && argv[1][0]=='-') { - switch (argv[1][1]) { - case 'h': - usage(argv[0]); - exit(1); - case 'F': - force_lock = 1; - break; - default: - fprintf(stderr,"Invalid option '%s'\n",argv[1]); - exit(1); - } - pipeIx = 2; - } - -#ifdef DEBUG - fprintf(stderr, "%s: pid is : %d\n", argv[0],(int) -#ifdef __OSE__ - current_process() -#else /* __UNIX__ */ - getpid() -#endif - ); -#endif - - strn_cpy(pipename, sizeof(pipename), - (argv[pipeIx] ? argv[pipeIx] : PIPE_DIR)); - - if(*pipename && pipename[strlen(pipename)-1] == '/') { - /* The user wishes us to find a pipe name in the specified */ - /* directory */ - int highest_pipe_num = 0; - DIR *dirp; - struct dirent *direntp; - - dirp = opendir(pipename); - if(!dirp) { - fprintf(stderr, "Can't access pipe directory %s: %s\n", pipename, strerror(errno)); - exit(1); - } - - /* Check the directory for existing pipes */ - - while((direntp=readdir(dirp)) != NULL) { - if(strncmp(direntp->d_name,PIPE_STUBNAME,PIPE_STUBLEN)==0) { - int num = atoi(direntp->d_name+PIPE_STUBLEN+1); - if(num > highest_pipe_num) - highest_pipe_num = num; - } - } - closedir(dirp); - strn_catf(pipename, sizeof(pipename), (highest_pipe_num?"%s.%d":"%s"), - PIPE_STUBNAME, highest_pipe_num); - } /* if */ - - /* read FIFO */ - sn_printf(FIFO1,sizeof(FIFO1),"%s.r",pipename); - /* write FIFO */ - sn_printf(FIFO2,sizeof(FIFO2),"%s.w",pipename); - -#ifndef __OSE__ - /* Check that nobody is running to_erl on this pipe already */ - if ((wfd = open (FIFO1, O_WRONLY|DONT_BLOCK_PLEASE, 0)) >= 0) { - /* Open as server succeeded -- to_erl is already running! */ - close(wfd); - fprintf(stderr, "Another to_erl process already attached to pipe " - "%s.\n", pipename); - if (force_lock) { - fprintf(stderr, "But we proceed anyway by force (-F).\n"); - } - else { - exit(1); - } - } -#endif - - if ((rfd = open (FIFO1, O_RDONLY|DONT_BLOCK_PLEASE, 0)) < 0) { -#ifdef DEBUG - fprintf(stderr, "Could not open FIFO %s for reading.\n", FIFO1); -#endif - fprintf(stderr, "No running Erlang on pipe %s: %s\n", pipename, strerror(errno)); - exit(1); - } -#ifdef DEBUG - fprintf(stderr, "to_erl: %s opened for reading\n", FIFO1); -#endif - - if ((wfd = open (FIFO2, O_WRONLY|DONT_BLOCK_PLEASE, 0)) < 0) { -#ifdef DEBUG - fprintf(stderr, "Could not open FIFO %s for writing.\n", FIFO2); -#endif - fprintf(stderr, "No running Erlang on pipe %s: %s\n", pipename, strerror(errno)); - close(rfd); - exit(1); - } -#ifdef DEBUG - fprintf(stderr, "to_erl: %s opened for writing\n", FIFO2); -#endif - -#ifndef __OSE__ - fprintf(stderr, "Attaching to %s (^D to exit)\n\n", pipename); -#else - fprintf(stderr, "Attaching to %s (^C to exit)\n\n", pipename); -#endif - -#ifndef __OSE__ - /* Set break handler to our handler */ - signal(SIGINT,handle_ctrlc); - - /* - * Save the current state of the terminal, and set raw mode. - */ - if (tcgetattr(0, &tty_rmode) , 0) { - fprintf(stderr, "Cannot get terminals current mode\n"); - exit(-1); - } - tty_smode = tty_rmode; - tty_eof = '\004'; /* Ctrl+D to exit */ -#ifdef DEBUG - show_terminal_settings(&tty_rmode); -#endif - tty_smode.c_iflag = - 1*BRKINT |/*Signal interrupt on break.*/ - 1*IGNPAR |/*Ignore characters with parity errors.*/ - 1*ISTRIP |/*Strip character.*/ - 0; - -#if 0 -0*IGNBRK |/*Ignore break condition.*/ -0*PARMRK |/*Mark parity errors.*/ -0*INPCK |/*Enable input parity check.*/ -0*INLCR |/*Map NL to CR on input.*/ -0*IGNCR |/*Ignore CR.*/ -0*ICRNL |/*Map CR to NL on input.*/ -0*IUCLC |/*Map upper-case to lower-case on input.*/ -0*IXON |/*Enable start/stop output control.*/ -0*IXANY |/*Enable any character to restart output.*/ -0*IXOFF |/*Enable start/stop input control.*/ -0*IMAXBEL|/*Echo BEL on input line too long.*/ -#endif - - tty_smode.c_oflag = - 1*OPOST |/*Post-process output.*/ - 1*ONLCR |/*Map NL to CR-NL on output.*/ -#ifdef XTABS - 1*XTABS |/*Expand tabs to spaces. (Linux)*/ -#endif -#ifdef OXTABS - 1*OXTABS |/*Expand tabs to spaces. (FreeBSD)*/ -#endif -#ifdef NL0 - 1*NL0 |/*Select newline delays*/ -#endif -#ifdef CR0 - 1*CR0 |/*Select carriage-return delays*/ -#endif -#ifdef TAB0 - 1*TAB0 |/*Select horizontal tab delays*/ -#endif -#ifdef BS0 - 1*BS0 |/*Select backspace delays*/ -#endif -#ifdef VT0 - 1*VT0 |/*Select vertical tab delays*/ -#endif -#ifdef FF0 - 1*FF0 |/*Select form feed delays*/ -#endif - 0; - -#if 0 -0*OLCUC |/*Map lower case to upper on output.*/ -0*OCRNL |/*Map CR to NL on output.*/ -0*ONOCR |/*No CR output at column 0.*/ -0*ONLRET |/*NL performs CR function.*/ -0*OFILL |/*Use fill characters for delay.*/ -0*OFDEL |/*Fill is DEL, else NULL.*/ -0*NL1 | -0*CR1 | -0*CR2 | -0*CR3 | -0*TAB1 | -0*TAB2 | -0*TAB3 |/*Expand tabs to spaces.*/ -0*BS1 | -0*VT1 | -0*FF1 | -#endif - - /* JALI: removed setting the tty_smode.c_cflag flags, since this is not */ - /* advisable if this is a *real* terminal, such as the console. In fact */ - /* this may hang the entire machine, deep, deep down (signalling break */ - /* or toggling the abort switch doesn't help) */ - - tty_smode.c_lflag = - 0; - -#if 0 -0*ISIG |/*Enable signals.*/ -0*ICANON |/*Canonical input (erase and kill processing).*/ -0*XCASE |/*Canonical upper/lower presentation.*/ -0*ECHO |/*Enable echo.*/ -0*ECHOE |/*Echo erase character as BS-SP-BS.*/ -0*ECHOK |/*Echo NL after kill character.*/ -0*ECHONL |/*Echo NL.*/ -0*NOFLSH |/*Disable flush after interrupt or quit.*/ -0*TOSTOP |/*Send SIGTTOU for background output.*/ -0*ECHOCTL|/*Echo control characters as ^char, delete as ^?.*/ -0*ECHOPRT|/*Echo erase character as character erased.*/ -0*ECHOKE |/*BS-SP-BS erase entire line on line kill.*/ -0*FLUSHO |/*Output is being flushed.*/ -0*PENDIN |/*Retype pending input at next read or input character.*/ -0*IEXTEN |/*Enable extended (implementation-defined) functions.*/ -#endif - - tty_smode.c_cc[VMIN] =0;/* Note that VMIN is the same as VEOF! */ - tty_smode.c_cc[VTIME] =0;/* Note that VTIME is the same as VEOL! */ - tty_smode.c_cc[VINTR] =3; - - tcsetattr(0, TCSADRAIN, &tty_smode); - -#ifdef DEBUG - show_terminal_settings(&tty_smode); -#endif - -#endif /* !__OSE__ */ - /* - * "Write a ^L to the FIFO which causes the other end to redisplay - * the input line." - * This does not seem to work as was intended in old comment above. - * However, this control character is now (R12B-3) used by run_erl - * to trigger the version handshaking between to_erl and run_erl - * at the start of every new to_erl-session. - */ - - if (write(wfd, "\014", 1) < 0) { - fprintf(stderr, "Error in writing ^L to FIFO.\n"); - } - -#ifdef __OSE__ - /* we have a tiny stack so we malloc the buffers */ - stdin_buf = malloc(sizeof(char) * BUFSIZ); - pipe_buf = malloc(sizeof(char) * BUFSIZ); - - efs_examine_fd(rfd,FLIB_FD_HANDLE,&pipe_fh); - efs_examine_fd(0,FLIB_FD_HANDLE,&stdin_fh); - READ_AIO(stdin_read_req,0,BUFSIZ,stdin_buf); - READ_AIO(pipe_read_req,rfd,BUFSIZ,pipe_buf); -#endif - - /* - * read and write - */ - while (1) { -#ifndef __OSE__ - FD_ZERO(&readfds); - FD_SET(0, &readfds); - FD_SET(rfd, &readfds); - if (select(rfd + 1, &readfds, NULL, NULL, NULL) < 0) { - if (recv_sig) { - FD_ZERO(&readfds); - } - else { - fprintf(stderr, "Error in select.\n"); - break; - } - } - len = 0; - - /* - * Read from terminal and write to FIFO - */ - if (recv_sig) { - switch (recv_sig) { - case SIGINT: - fprintf(stderr, "[Break]\n\r"); - buf[0] = '\003'; - len = 1; - break; - case SIGWINCH: - len = window_size_seq(buf,sizeof(buf)); - break; - default: - fprintf(stderr,"Unexpected signal: %u\n",recv_sig); - } - recv_sig = 0; - } - else -#else /* __OSE__ */ - SIGSELECT sigsel[] = {0}; - sig = receive(sigsel); - len = 0; -#endif -#ifndef __OSE__ - if (FD_ISSET(0,&readfds)) { - len = read(0, buf, sizeof(buf)); -#else /* __OSE__ */ - if (sig->signo == FM_READ_PTR_REPLY && - sig->fm_read_ptr.handle == stdin_fh) { - len = sig->fm_read_ptr.status == EFS_SUCCESS ? sig->fm_read_ptr.actual : -1; - buf = sig->fm_read_ptr.buffer; -#endif - if (len <= 0) { - close(rfd); - close(wfd); - if (len < 0) { - fprintf(stderr, "Error in reading from stdin.\n"); - } else { - fprintf(stderr, "[EOF]\n\r"); - } - break; - } - /* check if there is an eof character in input */ - for (i = 0; i < len-1 && buf[i] != tty_eof; i++); - if (buf[i] == tty_eof) { - fprintf(stderr, "[Quit]\n\r"); - break; - } - } - - if (len) { -#ifdef DEBUG - if(write(1, buf, len)); -#endif - if (write_all(wfd, buf, len) != len) { - fprintf(stderr, "Error in writing to FIFO.\n"); - close(rfd); - close(wfd); - break; - } - STATUS("\" OK\r\n"); -#ifdef __OSE__ - aio_dispatch(sig); - READ_AIO(stdin_read_req, 0, BUFSIZ, stdin_buf); -#endif - } - - /* - * Read from FIFO, write to terminal. - */ -#ifndef __OSE__ - if (FD_ISSET(rfd, &readfds)) { - STATUS("FIFO read: "); - len = read(rfd, buf, BUFSIZ); -#else /* __OSE__ */ - if (sig->signo == FM_READ_PTR_REPLY && - sig->fm_read_ptr.handle == pipe_fh) { - len = sig->fm_read_ptr.status == EFS_SUCCESS ? sig->fm_read_ptr.actual : -1; - buf = sig->fm_read_ptr.buffer; -#endif - if (len < 0 && errno == EAGAIN) { - /* - * No data this time, but the writing end of the FIFO is still open. - * Do nothing. - */ - ; - } else if (len <= 0) { - /* - * Either an error or end of file. In either case, break out - * of the loop. - */ - close(rfd); - close(wfd); - if (len < 0) { - fprintf(stderr, "Error in reading from FIFO.\n"); - } else - fprintf(stderr, "[End]\n\r"); - break; - } else { - if (!got_some) { - if ((len=version_handshake(buf,len,wfd)) < 0) { - close(rfd); - close(wfd); - break; - } -#ifndef __OSE__ - if (protocol_ver >= 1) { - /* Tell run_erl size of terminal window */ - signal(SIGWINCH, handle_sigwinch); - raise(SIGWINCH); - } -#endif - got_some = 1; - } - - /* - * We successfully read at least one character. Write what we got. - */ - STATUS("Terminal write: \""); - if (write_all(1, buf, len) != len) { - fprintf(stderr, "Error in writing to terminal.\n"); - close(rfd); - close(wfd); - break; - } - STATUS("\" OK\r\n"); -#ifdef __OSE__ - aio_dispatch(sig); - READ_AIO(pipe_read_req, rfd, BUFSIZ, pipe_buf); -#endif - } - } - } - -#ifndef __OSE__ - /* - * Reset terminal characterstics - * XXX - */ - tcsetattr(0, TCSADRAIN, &tty_rmode); -#endif - return 0; -} - -/* Call write() until entire buffer has been written or error. - * Return len or -1. - */ -static int write_all(int fd, const char* buf, int len) -{ - int left = len; - int written; - while (left) { - written = write(fd,buf,left); - if (written < 0) { - return -1; - } - left -= written; - buf += written; - } - return len; -} - -#ifndef __OSE__ -static int window_size_seq(char* buf, size_t bufsz) -{ -#ifdef TIOCGWINSZ - struct winsize ws; - static const char prefix[] = "\033_"; - static const char suffix[] = "\033\\"; - /* This Esc sequence is called "Application Program Command" - and seems suitable to use for our own customized stuff. */ - - if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == 0) { - int len = sn_printf(buf, bufsz, "%swinsize=%u,%u%s", - prefix, ws.ws_col, ws.ws_row, suffix); - return len; - } -#endif /* TIOCGWINSZ */ - return 0; -} -#endif /* !__OSE__ */ - -/* to_erl run_erl - * | | - * |---------- '\014' -------->| (session start) - * | | - * |<---- "[run_erl v1-0]" ----| (version interval) - * | | - * |--- Esc_"version=1"Esc\ -->| (common version) - * | | - */ -static int version_handshake(char* buf, int len, int wfd) -{ - unsigned re_high=0, re_low; - char *end = find_str(buf,len,"]\n"); - - if (end && sscanf(buf,"[run_erl v%u-%u",&re_high,&re_low)==2) { - char wbuf[30]; - int wlen; - - if (re_low > RUN_ERL_HI_VER || re_high < RUN_ERL_LO_VER) { - fprintf(stderr,"Incompatible versions: to_erl=v%u-%u run_erl=v%u-%u\n", - RUN_ERL_HI_VER, RUN_ERL_LO_VER, re_high, re_low); - return -1; - } - /* Choose highest common version */ - protocol_ver = re_high < RUN_ERL_HI_VER ? re_high : RUN_ERL_HI_VER; - - wlen = sn_printf(wbuf, sizeof(wbuf), "\033_version=%u\033\\", - protocol_ver); - if (write_all(wfd, wbuf, wlen) < 0) { - fprintf(stderr,"Failed to send version handshake\n"); - return -1; - } - end += 2; - len -= (end-buf); - memmove(buf,end,len); - - } - else { /* we assume old run_erl without version handshake */ - protocol_ver = 0; - } - - if (re_high != RUN_ERL_HI_VER) { - fprintf(stderr,"run_erl has different version, " - "using common protocol level %u\n", protocol_ver); - } - - return len; -} - - -#if defined(DEBUG) && !defined(__OSE__) -#define S(x) ((x) > 0 ? 1 : 0) - -static void show_terminal_settings(struct termios *t) -{ - fprintf(stderr,"c_iflag:\n"); - fprintf(stderr,"Signal interrupt on break: BRKINT %d\n", S(t->c_iflag & BRKINT)); - fprintf(stderr,"Map CR to NL on input: ICRNL %d\n", S(t->c_iflag & ICRNL)); - fprintf(stderr,"Ignore break condition: IGNBRK %d\n", S(t->c_iflag & IGNBRK)); - fprintf(stderr,"Ignore CR: IGNCR %d\n", S(t->c_iflag & IGNCR)); - fprintf(stderr,"Ignore char with par. err's: IGNPAR %d\n", S(t->c_iflag & IGNPAR)); - fprintf(stderr,"Map NL to CR on input: INLCR %d\n", S(t->c_iflag & INLCR)); - fprintf(stderr,"Enable input parity check: INPCK %d\n", S(t->c_iflag & INPCK)); - fprintf(stderr,"Strip character ISTRIP %d\n", S(t->c_iflag & ISTRIP)); - fprintf(stderr,"Enable start/stop input ctrl IXOFF %d\n", S(t->c_iflag & IXOFF)); - fprintf(stderr,"ditto output ctrl IXON %d\n", S(t->c_iflag & IXON)); - fprintf(stderr,"Mark parity errors PARMRK %d\n", S(t->c_iflag & PARMRK)); - fprintf(stderr,"\n"); - fprintf(stderr,"c_oflag:\n"); - fprintf(stderr,"Perform output processing OPOST %d\n", S(t->c_oflag & OPOST)); - fprintf(stderr,"\n"); - fprintf(stderr,"c_cflag:\n"); - fprintf(stderr,"Ignore modem status lines CLOCAL %d\n", S(t->c_cflag & CLOCAL)); - fprintf(stderr,"\n"); - fprintf(stderr,"c_local:\n"); - fprintf(stderr,"Enable echo ECHO %d\n", S(t->c_lflag & ECHO)); - fprintf(stderr,"\n"); - fprintf(stderr,"c_cc:\n"); - fprintf(stderr,"c_cc[VEOF] %d\n", t->c_cc[VEOF]); -} -#endif /* DEBUG && !__OSE__ */ diff --git a/erts/etc/common/to_erl_common.h b/erts/etc/common/to_erl_common.h deleted file mode 100644 index a139da418f..0000000000 --- a/erts/etc/common/to_erl_common.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2013. All Rights Reserved. - * - * 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% - */ -#ifndef ERL_TO_ERL_H -#define ERL_TO_ERL_H - -#define TO_ERL_USAGE "to_erl [-h|-F] %s\n" \ - "\t-h\tThis help text.\n" \ - "\t-f\tForce connection even though pipe is locked by other to_erl process." - -int to_erl(int argc, char **argv); - -#endif |