upload http

JIRA: BOTTLENECK-10

Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>

1 files changed, 255 insertions, 0 deletions

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+.\" XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+.\" DO NOT EDIT! Generated from XML source.
+.\" XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+.de Sh \" Subsection
+.br
+.if t .Sp
+.ne 5
+.PP
+\fB\\$1\fR
+.PP
+..
+.de Sp \" Vertical space (when we can't use .PP)
+.if t .sp .5v
+.if n .sp
+..
+.de Ip \" List item
+.br
+.ie \\n(.$>=3 .ne \\$3
+.el .ne 3
+.IP "\\$1" \\$2
+..
+.TH "APXS" 8 "2004-11-20" "Apache HTTP Server" "apxs"
+
+.SH NAME
+apxs \- APache eXtenSion tool
+
+.SH "SYNOPSIS"
+ 
+.PP
+\fBapxs\fR -\fBg\fR [ -\fBS\fR \fIname\fR=\fIvalue\fR ] -\fBn\fR \fImodname\fR
+ 
+.PP
+\fBapxs\fR -\fBq\fR [ -\fBS\fR \fIname\fR=\fIvalue\fR ] \fIquery\fR \&.\&.\&.
+ 
+.PP
+\fBapxs\fR -\fBc\fR [ -\fBS\fR \fIname\fR=\fIvalue\fR ] [ -\fBo\fR \fIdsofile\fR ] [ -\fBI\fR \fIincdir\fR ] [ -\fBD\fR \fIname\fR=\fIvalue\fR ] [ -\fBL\fR \fIlibdir\fR ] [ -\fBl\fR \fIlibname\fR ] [ -\fBWc,\fR\fIcompiler-flags\fR ] [ -\fBWl,\fR\fIlinker-flags\fR ] \fIfiles\fR \&.\&.\&.
+ 
+.PP
+\fBapxs\fR -\fBi\fR [ -\fBS\fR \fIname\fR=\fIvalue\fR ] [ -\fBn\fR \fImodname\fR ] [ -\fBa\fR ] [ -\fBA\fR ] \fIdso-file\fR \&.\&.\&.
+ 
+.PP
+\fBapxs\fR -\fBe\fR [ -\fBS\fR \fIname\fR=\fIvalue\fR ] [ -\fBn\fR \fImodname\fR ] [ -\fBa\fR ] [ -\fBA\fR ] \fIdso-file\fR \&.\&.\&.
+ 
+
+.SH "SUMMARY"
+ 
+.PP
+apxs is a tool for building and installing extension modules for the Apache HyperText Transfer Protocol (HTTP) server\&. This is achieved by building a dynamic shared object (DSO) from one or more source or object \fIfiles\fR which then can be loaded into the Apache server under runtime via the LoadModule directive from mod_so\&.
+ 
+.PP
+So to use this extension mechanism your platform has to support the DSO feature and your Apache httpd binary has to be built with the mod_so module\&. The apxs tool automatically complains if this is not the case\&. You can check this yourself by manually running the command
+ 
+.nf
+
+      $ httpd -l
+    
+.fi
+ 
+.PP
+The module mod_so should be part of the displayed list\&. If these requirements are fulfilled you can easily extend your Apache server's functionality by installing your own modules with the DSO mechanism by the help of this apxs tool:
+ 
+.nf
+
+      $ apxs -i -a -c mod_foo\&.c
+      gcc -fpic -DSHARED_MODULE -I/path/to/apache/include -c mod_foo\&.c
+      ld -Bshareable -o mod_foo\&.so mod_foo\&.o
+      cp mod_foo\&.so /path/to/apache/modules/mod_foo\&.so
+      chmod 755 /path/to/apache/modules/mod_foo\&.so
+      [activating module `foo' in /path/to/apache/etc/httpd\&.conf]
+      $ apachectl restart
+      /path/to/apache/sbin/apachectl restart: httpd not running, trying to start
+      [Tue Mar 31 11:27:55 1998] [debug] mod_so\&.c(303): loaded module foo_module
+      /path/to/apache/sbin/apachectl restart: httpd started
+      $ _
+    
+.fi
+ 
+.PP
+The arguments \fIfiles\fR can be any C source file (\&.c), a object file (\&.o) or even a library archive (\&.a)\&. The apxs tool automatically recognizes these extensions and automatically used the C source files for compilation while just using the object and archive files for the linking phase\&. But when using such pre-compiled objects make sure they are compiled for position independent code (PIC) to be able to use them for a dynamically loaded shared object\&. For instance with GCC you always just have to use -fpic\&. For other C compilers consult its manual page or at watch for the flags apxs uses to compile the object files\&.
+ 
+.PP
+For more details about DSO support in Apache read the documentation of mod_so or perhaps even read the src/modules/standard/mod_so\&.c source file\&.
+ 
+
+.SH "OPTIONS"
+ 
+.SS "Common Options"
+ 
+ 
+.TP
+-n \fImodname\fR
+This explicitly sets the module name for the -i (install) and -g (template generation) option\&. Use this to explicitly specify the module name\&. For option -g this is required, for option -i the apxs tool tries to determine the name from the source or (as a fallback) at least by guessing it from the filename\&.  
+  
+.SS "Query Options"
+ 
+ 
+.TP
+-q
+Performs a query for apxs's knowledge about certain settings\&. The \fIquery\fR parameters can be one or more of the following strings: CC, CFLAGS, CFLAGS_SHLIB, INCLUDEDIR, LD_SHLIB, LDFLAGS_SHLIB, LIBEXECDIR, LIBS_SHLIB, SBINDIR, SYSCONFDIR, TARGET\&. .PP Use this for manually determining settings\&. For instance use INC=-I`apxs -q INCLUDEDIR` .PP inside your own Makefiles if you need manual access to Apache's C header files\&.  
+  
+.SS "Configuration Options"
+ 
+ 
+.TP
+-S \fIname\fR=\fIvalue\fR
+This option changes the apxs settings described above\&.  
+  
+.SS "Template Generation Options"
+ 
+ 
+.TP
+-g
+This generates a subdirectory \fIname\fR (see option -n) and there two files: A sample module source file named mod_\fIname\fR\&.c which can be used as a template for creating your own modules or as a quick start for playing with the apxs mechanism\&. And a corresponding Makefile for even easier build and installing of this module\&.  
+  
+.SS "DSO Compilation Options"
+ 
+ 
+.TP
+-c
+This indicates the compilation operation\&. It first compiles the C source files (\&.c) of \fIfiles\fR into corresponding object files (\&.o) and then builds a dynamically shared object in \fIdsofile\fR by linking these object files plus the remaining object files (\&.o and \&.a) of \fIfiles\fR\&. If no -o option is specified the output file is guessed from the first filename in \fIfiles\fR and thus usually defaults to mod_\fIname\fR\&.so\&.  
+.TP
+-o \fIdsofile\fR
+Explicitly specifies the filename of the created dynamically shared object\&. If not specified and the name cannot be guessed from the \fIfiles\fR list, the fallback name mod_unknown\&.so is used\&.  
+.TP
+-D \fIname\fR=\fIvalue\fR
+This option is directly passed through to the compilation command(s)\&. Use this to add your own defines to the build process\&.  
+.TP
+-I \fIincdir\fR
+This option is directly passed through to the compilation command(s)\&. Use this to add your own include directories to search to the build process\&.  
+.TP
+-L \fIlibdir\fR
+This option is directly passed through to the linker command\&. Use this to add your own library directories to search to the build process\&.  
+.TP
+-l \fIlibname\fR
+This option is directly passed through to the linker command\&. Use this to add your own libraries to search to the build process\&.  
+.TP
+-Wc,\fIcompiler-flags\fR
+This option passes \fIcompiler-flags\fR as additional flags to the compiler command\&. Use this to add local compiler-specific options\&.  
+.TP
+-Wl,\fIlinker-flags\fR
+This option passes \fIlinker-flags\fR as additional flags to the linker command\&. Use this to add local linker-specific options\&.  
+  
+.SS "DSO Installation and Configuration Options"
+  
+ 
+.TP
+-i
+This indicates the installation operation and installs one or more dynamically shared objects into the server's \fImodules\fR directory\&.  
+.TP
+-a
+This activates the module by automatically adding a corresponding LoadModule line to Apache's httpd\&.conf configuration file, or by enabling it if it already exists\&.  
+.TP
+-A
+Same as option -a but the created LoadModule directive is prefixed with a hash sign (#), \fIi\&.e\&.\fR, the module is just prepared for later activation but initially disabled\&.  
+.TP
+-e
+This indicates the editing operation, which can be used with the -a and -A options similarly to the -i operation to edit Apache's httpd\&.conf configuration file without attempting to install the module\&.  
+  
+.SH "EXAMPLES"
+ 
+.PP
+Assume you have an Apache module named mod_foo\&.c available which should extend Apache's server functionality\&. To accomplish this you first have to compile the C source into a shared object suitable for loading into the Apache server under runtime via the following command:
+ 
+.nf
+
+      $ apxs -c mod_foo\&.c
+      gcc -fpic -DSHARED_MODULE -I/path/to/apache/include -c mod_foo\&.c
+      ld -Bshareable -o mod_foo\&.so mod_foo\&.o
+      $ _
+    
+.fi
+ 
+.PP
+Then you have to update the Apache configuration by making sure a LoadModule directive is present to load this shared object\&. To simplify this step apxs provides an automatic way to install the shared object in its "modules" directory and updating the httpd\&.conf file accordingly\&. This can be achieved by running:
+ 
+.nf
+
+      $ apxs -i -a mod_foo\&.c
+      cp mod_foo\&.so /path/to/apache/modules/mod_foo\&.so
+      chmod 755 /path/to/apache/modules/mod_foo\&.so
+      [activating module `foo' in /path/to/apache/etc/httpd\&.conf]
+      $ _
+    
+.fi
+ 
+.PP
+This way a line named
+ 
+.nf
+
+      LoadModule foo_module modules/mod_foo\&.so
+    
+.fi
+ 
+.PP
+is added to the configuration file if still not present\&. If you want to have this disabled per default use the -A option, \fIi\&.e\&.\fR
+ 
+.nf
+
+      $ apxs -i -A mod_foo\&.c
+    
+.fi
+ 
+.PP
+For a quick test of the apxs mechanism you can create a sample Apache module template plus a corresponding Makefile via:
+ 
+.nf
+
+      $ apxs -g -n foo
+      Creating [DIR]  foo
+      Creating [FILE] foo/Makefile
+      Creating [FILE] foo/mod_foo\&.c
+      $ _
+    
+.fi
+ 
+.PP
+Then you can immediately compile this sample module into a shared object and load it into the Apache server:
+ 
+.nf
+
+      $ cd foo
+      $ make all reload
+      apxs -c mod_foo\&.c
+      gcc -fpic -DSHARED_MODULE -I/path/to/apache/include -c mod_foo\&.c
+      ld -Bshareable -o mod_foo\&.so mod_foo\&.o
+      apxs -i -a -n "foo" mod_foo\&.so
+      cp mod_foo\&.so /path/to/apache/modules/mod_foo\&.so
+      chmod 755 /path/to/apache/modules/mod_foo\&.so
+      [activating module `foo' in /path/to/apache/etc/httpd\&.conf]
+      apachectl restart
+      /path/to/apache/sbin/apachectl restart: httpd not running, trying to start
+      [Tue Mar 31 11:27:55 1998] [debug] mod_so\&.c(303): loaded module foo_module
+      /path/to/apache/sbin/apachectl restart: httpd started
+      $ _
+    
+.fi
+ 
+.PP
+You can even use apxs to compile complex modules outside the Apache source tree, like PHP3:
+ 
+.nf
+
+      $ cd php3
+      $ \&./configure --with-shared-apache=\&.\&./apache-1\&.3
+      $ apxs -c -o libphp3\&.so mod_php3\&.c libmodphp3-so\&.a
+      gcc -fpic -DSHARED_MODULE -I/tmp/apache/include  -c mod_php3\&.c
+      ld -Bshareable -o libphp3\&.so mod_php3\&.o libmodphp3-so\&.a
+      $ _
+    
+.fi
+ 
+.PP
+because apxs automatically recognized C source files and object files\&. Only C source files are compiled while remaining object files are used for the linking phase\&.
+