Great stuff. Thanks Gustaf!
On 20 February 2015 at 09:55, Gustaf Neumann <neum...@wu.ac.at> wrote:
> Dear Friends of NaviServer,
>
> the last release of NaviServer was more than half a year or more than
> 730 commits ago, so it becomes time for a release of 4.99.7 if this
> is fine with everybody.
>
> Below is the preliminary summary of the changes since the release
> of 4.99.6 (excluding the changes in the modules). If you have
> pending commits please let me know.
>
> i'll hope to be able to do the usual testing, updates of the
> versions numbers in the documentation, tagging, summarizing
> of the module changes etc. over the weekend.
>
> all the best
> -gustaf neumann
>
> PS: sooner or later a release 5.0 seems unavoidable, but are coming closer.
>
>
>
>
> ======================================
> NaviServer 4.99.7, released 2015-XX-XX
> ======================================
>
> Changes relative to 4.99.6
> 215 files changed, 20782 insertions(+), 13282 deletions(-)
>
> New Features:
>
> * Added Interface to NaviServer to read/write directly
> via driver routines. The new command "ns_connchan"
> provides a higher level alternative to the idiom
> "ns_conn channel" + Tcl-commands. The new command
> uses the internal socketcallback infrastructure and allows to
>
> - detach the currently open connection channel from a
> connection thread, to
> - read/write/close the channel from other threads, and to
> - query the states to then currently detached channels
> (similar to "ns_writer list")
>
> By accessing the driver infrastructure, "ns_connchan" makes it
> possible to read/write from/to SSL/TLS channels. The new command
> makes it easy e.g. to implement WebSockets over SSL/TLS
> (ws://... and wss://...) which is not possible with the
> pre-existing infrastructure.
>
> Summary of Advantages:
> * use the same interface for http and https (and other drivers)
> * no (potential) problems with select() in Tcl when using
> many (>1024) file descriptors
> * less potential problems with Tcl-Sockets (buffering, translations)
> * lower resource consumption
>
> Implemented interface:
> ns_connchan detach
> ns_connchan close channel
> ns_connchan list ?-server server?
> ns_connchan callback ?-timeout s? ?-receivetimeout s?
> ?-sendtimeout s? channel command when
> ns_connchan read channel
> ns_connchan write channel string
>
> * Improved ns_log handling
> - new subcommand [ns_log stats] returns the statistics
> from calls to ns_log by severity-level. This allows
> to write monitoring tools to provide rough overviews
> at which time at which server what kind of
> servers/warnings/... were produced
>
> - Allow to modify logging of sql statements via
> ns_logctl severity Debug(sql) on
> at runtime
>
> - Add debugging severity for tasks "Debug(task)"
>
> * Added ability to load a driver module without listening on a
> port: This is useful in cases, where the driver registers
> client commands (such as nssock or nsssl) and only these
> are wanted. Loading the driver without listening can be
> achieved by specifying "0" for the port.
>
> * Improved support for windows compilation with native compilers
> for 32 and 64 bit (Many thanks to Andreas Piskorski)
>
>
> Performance Improvements:
> - add compiler hints likely/unlikely
> - make Ns_Encrypt threadsafe under Linux (reduce mutex)
> - use getpwnam_r, getpwuid_r, getgrnam_r, and getgrgid_r instead of
> their thread-unsafe counterparts. This change allow these functions
> to run without locking.
> - reduce size of compressed requests in several situations (empty
> io_vecs)
>
>
> Bug Fixes:
> * fixed encoding in [ns_conn content]
> * fixed incorrect result of "ns_conn protocol" (returned empty)
> * fixed crash when a thread was created with
> "ns_thread begindetached" and an error occurred
> during startup
> * fixed memory management for TclThread by moving TclThreadArg into
> thread local storage
> * fixed race condition in TLS cleanup
> * fixed bug in argument parsing of "ns_cond"
> * fixed setting of private/shared in ns_module
> * fixed bug with "ns_adp_ctl stream on"
> * move network module filtering to the front to avoid double loading
> of tcl modules (many thanks to William Scott Jordan for the fix)
> * ns_http:
> - fix trailing slashes in some urls
> - fix possible race condition when time gap between "ns_http queue"
> and "ns_http wait" is larger
> * minor fixes in nscgi
> * windows
> - fixed Ns_NormalizePath() for //foo/bar paths on Win32 (bug #1162890)
> - use distinct bit-patterns for signal detection under windows.
> - fix array unset bug
> * fixed a potential race condition in writer threads
> * [ns_perm delperm] fixed ignoring of argument "-noinherit"
> * fixed reply headers in HEAD requests
>
>
> Documentation improvements:
> - improve typesetting, wording
> - remove more obsolete content (e.g. concerning CVS, old dummy
> parameters)
> - use examples from existing code basis
> - improve comment density in source code
> - document missing subcommands, such as "ns_time format"
>
>
> Tcl API Changes:
> * mark "ns_geturl" as deprecated, use ns_http instead
> * marked redundant names of subcommands in "ns_thread" as deprecated
> - ns_thread begin -> ns_thread create
> - ns_thread getid -> ns_thread id
> - ns_thread join -> ns_thread wait
> - ns_thread get -> ns_thread handle
> * allow time interval of "-timeout" for "ns_db gethandle" to be
> specified with second factions (in the usual "ns_time" format)
>
>
> C API Changes:
> - [ns_conn content]: new flag "-binary" to return always the raw bytes
> - [ns_thread begin|begindetached]: added flag "-name" for naming
> thread explicit
>
>
> Configuration Changes:
> - update Makefiles as recommended in documentation
>
>
> Code Changes:
>
> * Many of the changes are the result of a (sometimes over-picky)
> code-checkers on unix and windows systems, in particular pc-lint,
> cppcheck and the clang static checkers. Many thanks to
> Maurizio Martignano for setting up the testing framework
> based on SonarQube.
>
> * Function prototypes and API definition
> - add missing function prototypes
> - removed occurrences of old-style prototypes (when functions are
> defined without arguments)
> - removed unneeded external references and symbols and unreferenced
> enumeration values
> - aligned argument names in function prototypes with function
> definitions
> - added non-null/returns non-null assertions for prototypes
> - added asserts to check non-null properties
> - added "const" when appropriate
> - added missing "static" declarations
>
> * Improved and more consistent macro definitions
> - use INT2PTR and PTR2INT consistently when converting between
> integers and pointers
> - use NS_TRUE/NS_FALSE instead of 1/0
> - use NS_INVALID_FD instead of -1
> - use NS_SOCKET and NS_INVALID_SOCKET instead of int/-1
> - use NS_INVALID_PID for invalid pids
> - change from usage of -1 or INVALID_SOCKET (windows predefined
> constant)
> to NS_INVALID_SOCKET due to confusions
> - use UNUSED consistently
> - character properties and conversions
> . new macro CHARTYPE for testing character properties
> . new macro CHARCONV for converting characters
> - added a new macros PTR2NSSOCK and NSSOCK2PTR in analogy to PTR2INT
> and INT2PTR to mask more win incompatibilities
> - prefer "const" over "CONST" unless in Tcl interface
> - improved consistency of variable and macro naming
> - put macro values into parenthesis
>
> * Improved general code quality
> - reduced variable scopes
> - remove cases of undefined C behavior
> - prefer leaving a switch statement via "break", and not via "return"
> - move assignments out of if-conditions
> - brace body of "if" statements and "for" loops
> - make ignoring of function results explicit
> - avoid shadowing of variable names
> - fix potentially uninitialized local and static variables
>
> * Used more precise and consistent types
> - prefer type "bool" over "int" when appropriate
> - use unsigned types for bit operations
> - prefer size_t, ssize_t, socklen_t, pid_t, nfds_t over int
> - use consistently uintptr_t for nextids
> - use enumerations instead of plain defines on some occasions
> - prefer boolean expression
> - reduce implicit conversions
> (signed/unsigned, signed constants, loss of precision, ...)
> - removed many cases of casts of complex expressions
> - reduce prohibited operations with plain (signed) chars
> - recast results of <<
> - standardize type definitions of objv in ObjCmds to the
> variant recommended by Tcl man pages
>
> * Improved C-standard compliance
> - silence "-pedantic" compilation with -stc=c99 under linux on most
> cases
> - avoid c90 identifiers starting with str[a-z], to[a-z], E[A-Z], _*
> - avoid c90 reserved identifier "signal", "free", "remove", "time"
> - added missing printf macros
>
> * Improved usage of c-library functions and OS abstraction
> - use arc4random() when available
> - use crypt_r() when available
> - prefer memcpy() over strncpy(), since it has in most cases the
> appropriate semantics and it is faster
> - new/fixed OS abstractions functions/macros:
> ns_lseek, ns_dup, ns_dup2, use ns_open, ns_close, ns_lseek, ns_dup,
> ns_dup2, ns_write, ns_read, ns_mkstemp
>
> * Removed potential crashes from buffer overflows
> - use memory bounded functions instead of potentially buffer
> overflowing functions
> - replace unsafe atof() by strtod()
> - replace unsafe atoi() by strtol()
> - replace call to deprecated function asctime() by a call to
> asctime_s()
> - remove hard-coded sizes of ip-addresses and replace it
> by NS_IPADDR_SIZE
> - don't hardcode sizes for string arrays
>
> * Use of modern-style argument parser Ns_ParseObjv() on several places
> instead of manual argv parsing
> ns_job interface, ns_truncate, ns_ftruncate,
> ns_addrbyhost, ns_hostbyaddr
>
> * Make mutex timings configurable via #define NS_NO_MUTEX_TIMING
>
> * Improved code formatting
> - add emacs editor hints to to keep formatting conventions
> - prefer spaces over tabs
>
> * Extended regression test
>
>
>
>
>
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--
David Osborne
Qcode Software Limited
http://www.qcode.co.uk
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