diff options
author | Gregory Nutt <gnutt@nuttx.org> | 2015-01-28 14:28:11 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2015-01-28 14:28:11 -0600 |
commit | 6dd57610486723bf5b3eeeda3d2338c6c8ae5628 (patch) | |
tree | f49fdefc4091bdd7974b19313636ddf6c0d8680e | |
parent | 5655638bf3980fbab2163a8da2a612e850d28b3f (diff) | |
download | px4-nuttx-6dd57610486723bf5b3eeeda3d2338c6c8ae5628.tar.gz px4-nuttx-6dd57610486723bf5b3eeeda3d2338c6c8ae5628.tar.bz2 px4-nuttx-6dd57610486723bf5b3eeeda3d2338c6c8ae5628.zip |
apps/examples/udgram: Add a simple test of Unix domain datagram sockets
-rw-r--r-- | apps/examples/Kconfig | 1 | ||||
-rw-r--r-- | apps/examples/Make.defs | 4 | ||||
-rw-r--r-- | apps/examples/Makefile | 4 | ||||
-rw-r--r-- | apps/examples/README.txt | 18 | ||||
-rw-r--r-- | apps/examples/udgram/.gitignore | 13 | ||||
-rw-r--r-- | apps/examples/udgram/Kconfig | 19 | ||||
-rw-r--r-- | apps/examples/udgram/Makefile | 173 | ||||
-rw-r--r-- | apps/examples/udgram/udgram.h | 54 | ||||
-rw-r--r-- | apps/examples/udgram/udgram_client.c | 152 | ||||
-rw-r--r-- | apps/examples/udgram/udgram_server.c | 208 | ||||
-rw-r--r-- | apps/examples/ustream/Kconfig | 2 |
11 files changed, 643 insertions, 5 deletions
diff --git a/apps/examples/Kconfig b/apps/examples/Kconfig index 329077071..ee8dcc3a0 100644 --- a/apps/examples/Kconfig +++ b/apps/examples/Kconfig @@ -75,6 +75,7 @@ source "$APPSDIR/examples/discover/Kconfig" source "$APPSDIR/examples/webserver/Kconfig" source "$APPSDIR/examples/usbserial/Kconfig" source "$APPSDIR/examples/usbterm/Kconfig" +source "$APPSDIR/examples/udgram/Kconfig" source "$APPSDIR/examples/ustream/Kconfig" source "$APPSDIR/examples/watchdog/Kconfig" source "$APPSDIR/examples/wget/Kconfig" diff --git a/apps/examples/Make.defs b/apps/examples/Make.defs index 520ba8cc0..d81ad14f6 100644 --- a/apps/examples/Make.defs +++ b/apps/examples/Make.defs @@ -318,6 +318,10 @@ ifeq ($(CONFIG_EXAMPLES_USBTERM),y) CONFIGURED_APPS += examples/usbterm endif +ifeq ($(CONFIG_EXAMPLES_UDGRAM),y) +CONFIGURED_APPS += examples/udgram +endif + ifeq ($(CONFIG_EXAMPLES_USTREAM),y) CONFIGURED_APPS += examples/ustream endif diff --git a/apps/examples/Makefile b/apps/examples/Makefile index ddcea687c..0ad5e46ef 100644 --- a/apps/examples/Makefile +++ b/apps/examples/Makefile @@ -45,7 +45,7 @@ SUBDIRS += nxffs nxflat nxhello nximage nxlines nxtext ostest pashello pipe SUBDIRS += poll posix_spawn pwm qencoder random relays rgmp romfs sendmail SUBDIRS += serialblaster serloop serialrx slcd smart smart_test tcpecho SUBDIRS += telnetd thttpd tiff timer touchscreen udp usbserial usbterm -SUBDIRS += ustream watchdog webserver wget wgetjson xmlrpc +SUBDIRS += ustream udgram watchdog webserver wget wgetjson xmlrpc # Sub-directories that might need context setup. Directories may need # context setup for a variety of reasons, but the most common is because @@ -59,7 +59,7 @@ CNTXTDIRS += djoystick flash_test ftpd hello helloxx i2schar json keypadtest CNTXTDIRS += ltdc modbus lcdrw mtdpart mtdrwb netpkt nettest nx nxhello CNTXTDIRS += nximage nxlines nxtext nrf24l01_term ostest random relays CNTXTDIRS += qencoder serialblasters lcd serialrx smart_test tcpecho telnetd -CNTXTDIRS += tiff timer touchscreen usbterm ustream watchdog wgetjson +CNTXTDIRS += tiff timer touchscreen usbterm udgram ustream watchdog wgetjson endif all: nothing diff --git a/apps/examples/README.txt b/apps/examples/README.txt index c9436df91..61577dbee 100644 --- a/apps/examples/README.txt +++ b/apps/examples/README.txt @@ -1979,8 +1979,22 @@ examples/usbterm examples/ustream ^^^^^^^^^^^^^^^^ - This is the same test as examples/nettest, but using Unix domain - sockets. + This is the same test as examples/udp and similar to examples/ustream, + but using Unix domain datagram sockets. + + Dependencies: + CONFIG_NET_LOCAL - Depends on support for Unix domain sockets + + Configuration: + CONFIG_EXAMPLES_UDGRAM - Enables the Unix domain socket example. + CONFIG_EXAMPLES_UDGRAM_ADDR - Specifics the Unix domain address. + Default "/var/fifo/fifo". + +examples/ustream +^^^^^^^^^^^^^^^^ + + This is the same test as examples/udp and similar to examples/udgram, + but using Unix domain stream sockets. Dependencies: CONFIG_NET_LOCAL - Depends on support for Unix domain sockets diff --git a/apps/examples/udgram/.gitignore b/apps/examples/udgram/.gitignore new file mode 100644 index 000000000..bd9cd98e7 --- /dev/null +++ b/apps/examples/udgram/.gitignore @@ -0,0 +1,13 @@ +/Make.dep +/.depend +/.built +/*.asm +/*.obj +/*.rel +/*.lst +/*.sym +/*.adb +/*.lib +/*.src +/*.exe +/*.dSYM diff --git a/apps/examples/udgram/Kconfig b/apps/examples/udgram/Kconfig new file mode 100644 index 000000000..90b568c62 --- /dev/null +++ b/apps/examples/udgram/Kconfig @@ -0,0 +1,19 @@ +# +# For a description of the syntax of this configuration file, +# see misc/tools/kconfig-language.txt. +# + +config EXAMPLES_UDGRAM + bool "Unix domain datagram example" + default n + depends on NET_LOCAL + ---help--- + Enable the Unix domain SOCK_DGRAM test example + +if EXAMPLES_UDGRAM + +config EXAMPLES_UDGRAM_ADDR + string "Unix domain address" + default "/var/fifo/fifo" + +endif # EXAMPLES_UDGRAM diff --git a/apps/examples/udgram/Makefile b/apps/examples/udgram/Makefile new file mode 100644 index 000000000..846e6efad --- /dev/null +++ b/apps/examples/udgram/Makefile @@ -0,0 +1,173 @@ +############################################################################ +# examples/udgram/Makefile +# +# Copyright (C) 2015 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt <gnutt@nuttx.org> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name NuttX nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +-include $(TOPDIR)/.config +-include $(TOPDIR)/Make.defs +include $(APPDIR)/Make.defs + +# Basic Unix domain networking test + +SERVER_ASRCS = +SERVER_AOBJS = $(SERVER_ASRCS:.S=$(OBJEXT)) + +SERVER_CSRCS = +SERVER_COBJS = $(SERVER_CSRCS:.c=$(OBJEXT)) + +SERVER_MAINSRC = udgram_server.c +SERVER_MAINOBJ = $(SERVER_MAINSRC:.c=$(OBJEXT)) + +SERVER_SRCS = $(SERVER_ASRCS) $(SERVER_CSRCS) $(SERVER_MAINSRC) +SERVER_OBJS = $(SERVER_AOBJS) $(SERVER_COBJS) + +SERVER_PROGNAME = server$(EXEEXT) + +SERVER_APPNAME = server +SERVER_PRIORITY = SCHED_PRIORITY_DEFAULT +SERVER_STACKSIZE = 2048 + +CLIENT_ASRCS = +CLIENT_AOBJS = $(CLIENT_ASRCS:.S=$(OBJEXT)) + +CLIENT_CSRCS = +CLIENT_COBJS = $(CLIENT_CSRCS:.c=$(OBJEXT)) + +CLIENT_MAINSRC = udgram_client.c +CLIENT_MAINOBJ = $(CLIENT_MAINSRC:.c=$(OBJEXT)) + +CLIENT_SRCS = $(CLIENT_ASRCS) $(CLIENT_CSRCS) $(CLIENT_MAINSRC) +CLIENT_OBJS = $(CLIENT_AOBJS) $(CLIENT_COBJS) + +CLIENT_PROGNAME = server$(EXEEXT) + +CLIENT_APPNAME = client +CLIENT_PRIORITY = SCHED_PRIORITY_DEFAULT +CLIENT_STACKSIZE = 2048 + +AOBJS = $(CLIENT_AOBJS) $(SERVER_AOBJS) +COBJS = $(CLIENT_COBJS) $(CLIENT_MAINOBJ) $(SERVER_COBJS) $(SERVER_MAINOBJ) + +SRCS = $(CLIENT_SRCS) $(SERVER_SRCS) +OBJS = $(AOBJS) $(COBJS) + +ifneq ($(CONFIG_BUILD_KERNEL),y) + SERVER_OBJS += $(SERVER_MAINOBJ) + CLIENT_OBJS += $(CLIENT_MAINOBJ) +endif + +ifeq ($(CONFIG_WINDOWS_NATIVE),y) + UDGRAM_BIN = ..\..\libapps$(LIBEXT) +else +ifeq ($(WINTOOL),y) + UDGRAM_BIN = ..\\..\\libapps$(LIBEXT) +else + UDGRAM_BIN = ../../libapps$(LIBEXT) +endif +endif + +ifeq ($(WINTOOL),y) + INSTALL_DIR = "${shell cygpath -w $(BIN_DIR)}" +else + INSTALL_DIR = $(BIN_DIR) +endif + +# Common build + +VPATH = + +all: .built +.PHONY: clean depend distclean + +$(AOBJS): %$(OBJEXT): %.S + $(call ASSEMBLE, $<, $@) + +$(COBJS): %$(OBJEXT): %.c + $(call COMPILE, $<, $@) + +.built: $(OBJS) + $(call ARCHIVE, $(UDGRAM_BIN), $(OBJS)) + $(Q) touch .built + +ifeq ($(CONFIG_BUILD_KERNEL),y) + +$(BIN_DIR)$(DELIM)$(CLIENT_PROGNAME): $(CLIENT_OBJS) + @echo "LD: $(CLIENT_PROGNAME)" + $(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $(INSTALL_DIR)$(DELIM)$(CLIENT_PROGNAME) $(ARCHCRT0OBJ) $(CLIENT_MAINOBJ) $(LDLIBS) + $(Q) $(NM) -u $(INSTALL_DIR)$(DELIM)$(CLIENT_PROGNAME) + +$(BIN_DIR)$(DELIM)$(SERVER_PROGNAME): $(OBJS) $(SERVER_MAINOBJ) + @echo "LD: $(SERVER_PROGNAME)" + $(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $(INSTALL_DIR)$(DELIM)$(SERVER_PROGNAME) $(ARCHCRT0OBJ) $(SERVER_MAINOBJ) $(LDLIBS) + $(Q) $(NM) -u $(INSTALL_DIR)$(DELIM)$(SERVER_PROGNAME) + +install: $(BIN_DIR)$(DELIM)$(CLIENT_PROGNAME) $(BIN_DIR)$(DELIM)$(SERVER_PROGNAME) + +else +install: + +endif + +ifeq ($(CONFIG_NSH_BUILTIN_APPS),y) + +$(BUILTIN_REGISTRY)$(DELIM)$(CLIENT_APPNAME)_main.bdat: $(DEPCONFIG) Makefile + $(call REGISTER,$(CLIENT_APPNAME),$(CLIENT_PRIORITY),$(CLIENT_STACKSIZE),$(CLIENT_APPNAME)_main) + +$(BUILTIN_REGISTRY)$(DELIM)$(SERVER_APPNAME)_main.bdat: $(DEPCONFIG) Makefile + $(call REGISTER,$(SERVER_APPNAME),$(SERVER_PRIORITY),$(SERVER_STACKSIZE),$(SERVER_APPNAME)_main) + +context: $(BUILTIN_REGISTRY)$(DELIM)$(CLIENT_APPNAME)_main.bdat $(BUILTIN_REGISTRY)$(DELIM)$(SERVER_APPNAME)_main.bdat + +else + +context: + +endif + +.depend: Makefile $(SERVER_SRCS) + @$(MKDEP) $(ROOTDEPPATH) "$(CC)" -- $(CFLAGS) -- $(SERVER_SRCS) >Make.dep + @touch $@ + +depend: .depend + +clean: + $(call DELFILE, .built) + $(call DELFILE, *.dSYM) + $(call CLEAN) + +distclean: clean + $(call DELFILE, Make.dep) + $(call DELFILE, .depend) + +-include Make.dep + diff --git a/apps/examples/udgram/udgram.h b/apps/examples/udgram/udgram.h new file mode 100644 index 000000000..d5ff37fc3 --- /dev/null +++ b/apps/examples/udgram/udgram.h @@ -0,0 +1,54 @@ +/**************************************************************************** + * examples/udgram/udgram.h + * + * Copyright (C) 2015 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __EXAMPLES_UDGRAM_UDGRAM_H +#define __EXAMPLES_UDGRAM_UDGRAM_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define ASCIISIZE (0x7f - 0x20) +#define SENDSIZE (ASCIISIZE+1) + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#endif /* __EXAMPLES_UDGRAM_UDGRAM_H */ diff --git a/apps/examples/udgram/udgram_client.c b/apps/examples/udgram/udgram_client.c new file mode 100644 index 000000000..c24ba8a81 --- /dev/null +++ b/apps/examples/udgram/udgram_client.c @@ -0,0 +1,152 @@ +/**************************************************************************** + * examples/udp/udp-client.c + * + * Copyright (C) 2007, 2015 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name Gregory Nutt nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> + +#include "udgram.h" + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +static inline void fill_buffer(unsigned char *buf, int offset) +{ + int ch; + int j; + + buf[0] = offset; + for (ch = 0x20, j = offset + 1; ch < 0x7f; ch++, j++) + { + if (j >= SENDSIZE) + { + j = 1; + } + buf[j] = ch; + } +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +#ifdef CONFIG_BUILD_KERNEL +int main(int argc, FAR char *argv[]) +#else +int client_main(int argc, char *argv[]) +#endif +{ + struct sockaddr_un server; + unsigned char outbuf[SENDSIZE]; + socklen_t addrlen; + int sockfd; + int nbytes; + int offset; + + /* Create a new UDP socket */ + + sockfd = socket(PF_LOCAL, SOCK_DGRAM, 0); + if (sockfd < 0) + { + printf("client socket failure %d\n", errno); + return 1; + } + + /* Then send and receive 256 messages */ + + for (offset = 0; offset < 256; offset++) + { + /* Set up the output buffer */ + + fill_buffer(outbuf, offset); + + /* Set up the server address */ + + addrlen = strlen(CONFIG_EXAMPLES_UDGRAM_ADDR); + if (addrlen > UNIX_PATH_MAX - 1) + { + addrlen = UNIX_PATH_MAX - 1; + } + + server.sun_family = AF_LOCAL; + strncpy(server.sun_path, CONFIG_EXAMPLES_UDGRAM_ADDR, addrlen); + server.sun_path[addrlen] = '\0'; + + addrlen += sizeof(sa_family_t) + 1; + + /* Send the message */ + + printf("client: %d. Sending %d bytes\n", offset, SENDSIZE); + nbytes = sendto(sockfd, outbuf, SENDSIZE, 0, + (struct sockaddr *)&server, addrlen); + printf("client: %d. Sent %d bytes\n", offset, nbytes); + + if (nbytes < 0) + { + printf("client: %d. sendto failed: %d\n", offset, errno); + close(sockfd); + return 1; + } + else if (nbytes != SENDSIZE) + { + printf("client: %d. Bad send length: %d Expected: %d\n", + offset, nbytes, SENDSIZE); + close(sockfd); + return 1; + } + + /* Now, sleep a bit. No packets should be dropped due to overrunning + * the server. + */ + + sleep(2); + } + + close(sockfd); + return 0; +} diff --git a/apps/examples/udgram/udgram_server.c b/apps/examples/udgram/udgram_server.c new file mode 100644 index 000000000..756f2113f --- /dev/null +++ b/apps/examples/udgram/udgram_server.c @@ -0,0 +1,208 @@ +/**************************************************************************** + * examples/udgram/udgram_server.c + * + * Copyright (C) 2015 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name Gregory Nutt nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/socket.h> +#include <sys/un.h> + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> + +#include "udgram.h" + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +static inline int check_buffer(unsigned char *buf) +{ + int ret = 1; + int offset; + int ch; + int j; + + offset = buf[0]; + for (ch = 0x20, j = offset + 1; ch < 0x7f; ch++, j++) + { + if (j >= SENDSIZE) + { + j = 1; + } + if (buf[j] != ch) + { + printf("server: Buffer content error for offset=%d, index=%d\n", offset, j); + ret = 0; + } + } + + return ret; +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +#ifdef CONFIG_BUILD_KERNEL +int main(int argc, FAR char *argv[]) +#else +int server_main(int argc, char *argv[]) +#endif +{ + struct sockaddr_un server; + struct sockaddr_un client; + unsigned char inbuf[1024]; + socklen_t addrlen; + socklen_t recvlen; + int sockfd; + int nbytes; + int optval; + int offset; + + /* Create a new UDP socket */ + + sockfd = socket(PF_LOCAL, SOCK_DGRAM, 0); + if (sockfd < 0) + { + printf("server: socket failure: %d\n", errno); + return 1; + } + + /* Set socket to reuse address */ + + optval = 1; + if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (void*)&optval, sizeof(int)) < 0) + { + printf("server: setsockopt SO_REUSEADDR failure: %d\n", errno); + return 1; + } + + /* Bind the socket to a local address */ + + addrlen = strlen(CONFIG_EXAMPLES_UDGRAM_ADDR); + if (addrlen > UNIX_PATH_MAX - 1) + { + addrlen = UNIX_PATH_MAX - 1; + } + + server.sun_family = AF_LOCAL; + strncpy(server.sun_path, CONFIG_EXAMPLES_UDGRAM_ADDR, addrlen); + server.sun_path[addrlen] = '\0'; + + addrlen += sizeof(sa_family_t) + 1; + + if (bind(sockfd, (struct sockaddr*)&server, addrlen) < 0) + { + printf("server: bind failure: %d\n", errno); + return 1; + } + + /* Then receive up to 256 packets of data */ + + for (offset = 0; offset < 256; offset++) + { + printf("server: %d. Receiving up 1024 bytes\n", offset); + recvlen = addrlen; + nbytes = recvfrom(sockfd, inbuf, 1024, 0, + (struct sockaddr*)&client, &recvlen); + + if (recvlen < sizeof(sa_family_t)) + { + printf("server: %d. ERROR Received %d bytes from client with invalid length %d\n", + offset, nbytes, recvlen); + } + else if (recvlen == sizeof(sa_family_t)) + { + printf("server: %d. Received %d bytes from a nameless client\n", + offset, nbytes); + } + else if (recvlen == sizeof(sa_family_t) + 1) + { + printf("server: %d. Received %d bytes from an abstract client\n", + offset, nbytes); + } + else /* if (recvlen > sizeof(sa_family_t) */ + { + printf("server: %d. Received %d bytes from a client %s\n", + offset, nbytes, client.sun_path); + } + + if (nbytes < 0) + { + printf("server: %d. recv failed: %d\n", offset, errno); + close(sockfd); + return 1; + } + + if (nbytes != SENDSIZE) + { + printf("server: %d. recv size incorrect: %d vs %d\n", + offset, nbytes, SENDSIZE); + close(sockfd); + return 1; + } + + if (offset < inbuf[0]) + { + printf("server: %d. %d packets lost, resetting offset\n", + offset, inbuf[0] - offset); + offset = inbuf[0]; + } + else if (offset > inbuf[0]) + { + printf("server: %d. Bad offset in buffer: %d\n", + offset, inbuf[0]); + close(sockfd); + return 1; + } + + if (!check_buffer(inbuf)) + { + printf("server: %d. Bad buffer contents\n", offset); + close(sockfd); + return 1; + } + } + + close(sockfd); + return 0; +} diff --git a/apps/examples/ustream/Kconfig b/apps/examples/ustream/Kconfig index 5731a7c5a..ed61384e1 100644 --- a/apps/examples/ustream/Kconfig +++ b/apps/examples/ustream/Kconfig @@ -4,7 +4,7 @@ # config EXAMPLES_USTREAM - bool "Unix domain socket example" + bool "Unix domain stream example" default n depends on NET_LOCAL ---help--- |