X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flyxserver.C;h=a6213f9deefe2fce95e8559d0ff8c1d7d8daef65;hb=d13d6da879462707cd947cdf00c0cf7c3dfac924;hp=26d11f542df95e3f2b14309ab5e1b7167bfa12f1;hpb=53274e31ec1cc715c0b48921ee67818790c2e99a;p=lyx.git diff --git a/src/lyxserver.C b/src/lyxserver.C index 26d11f542d..a6213f9dee 100644 --- a/src/lyxserver.C +++ b/src/lyxserver.C @@ -1,12 +1,15 @@ -/* This file is part of - * ====================================================== - * - * LyX, The Document Processor +/** + * \file lyxserver.C + * This file is part of LyX, the document processor. + * Licence details can be found in the file COPYING. * - * Copyright 1995 Matthias Ettrich - * Copyright 1995-2001 The LyX Team. + * \author Lars Gullik Bjønnes + * \author Jean-Marc Lasgouttes + * \author Angus Leeming + * \author John Levon * - * ====================================================== */ + * Full author contact details are available in file CREDITS. + */ /** Docu : To use the lyxserver define the name of the pipe in your @@ -36,24 +39,21 @@ #include -#include -#include -#include -#include -#include - -#ifdef __GNUG__ -#pragma implementation -#endif - #include "lyxserver.h" -#include "lyx_main.h" #include "debug.h" +#include "funcrequest.h" +#include "LyXAction.h" #include "lyxfunc.h" #include "support/lstrings.h" #include "support/lyxlib.h" #include "frontends/lyx_gui.h" +#include + +#include +#include +#include + #ifdef __EMX__ #include #include @@ -64,7 +64,14 @@ #include "support/os2_errortable.h" #endif +using lyx::support::compare; +using lyx::support::rtrim; +using lyx::support::split; +using lyx::support::unlink; + using std::endl; +using std::string; + // provide an empty mkfifo() if we do not have one. This disables the // lyxserver. @@ -137,10 +144,9 @@ void LyXComm::closeConnection() ready = false; } + int LyXComm::startPipe(string const & filename, bool write) { - int fd; - #ifdef __EMX__ HPIPE os2fd; APIRET rc; @@ -173,7 +179,7 @@ int LyXComm::startPipe(string const & filename, bool write) }; // Imported handles can be used both with OS/2 APIs and emx // library functions. - fd = _imphandle(os2fd); + int const fd = _imphandle(os2fd); #else if (::access(filename.c_str(), F_OK) == 0) { lyxerr << "LyXComm: Pipe " << filename << " already exists.\n" @@ -188,18 +194,19 @@ int LyXComm::startPipe(string const & filename, bool write) << strerror(errno) << endl; return -1; }; - fd = ::open(filename.c_str(), write ? (O_RDWR) : (O_RDONLY|O_NONBLOCK)); + int const fd = ::open(filename.c_str(), + write ? (O_RDWR) : (O_RDONLY|O_NONBLOCK)); #endif if (fd < 0) { lyxerr << "LyXComm: Could not open pipe " << filename << '\n' << strerror(errno) << endl; - lyx::unlink(filename); + unlink(filename); return -1; } if (!write) { - lyx_gui::set_read_callback(fd, this); + lyx_gui::register_socket_callback(fd, boost::bind(&LyXComm::read_ready, this)); } return fd; @@ -212,7 +219,7 @@ void LyXComm::endPipe(int & fd, string const & filename, bool write) return; if (!write) { - lyx_gui::remove_read_callback(fd); + lyx_gui::unregister_socket_callback(fd); } #ifdef __EMX__ @@ -235,7 +242,7 @@ void LyXComm::endPipe(int & fd, string const & filename, bool write) // OS/2 pipes are deleted automatically #ifndef __EMX__ - if (lyx::unlink(filename) < 0) { + if (unlink(filename) < 0) { lyxerr << "LyXComm: Could not remove pipe " << filename << '\n' << strerror(errno) << endl; }; @@ -272,38 +279,40 @@ void LyXComm::read_ready() if (status > 0) { charbuf[status] = '\0'; // turn it into a c string read_buffer_ += rtrim(charbuf, "\r"); - - } else if (errno != EAGAIN) { + // commit any commands read + while (read_buffer_.find('\n') != string::npos) { + // split() grabs the entire string if + // the delim /wasn't/ found. ?:-P + string cmd; + read_buffer_= split(read_buffer_, cmd,'\n'); + lyxerr[Debug::LYXSERVER] + << "LyXComm: status:" << status + << ", read_buffer_:" << read_buffer_ + << ", cmd:" << cmd << endl; + if (!cmd.empty()) + clientcb(client, cmd); + //\n or not \n? + } + } + if (errno == EAGAIN) { + errno = 0; + return; + } + if (errno != 0) { + lyxerr << "LyXComm: " << strerror(errno) << endl; if (!read_buffer_.empty()) { lyxerr << "LyXComm: truncated command: " - << read_buffer_ << '\n' - << "Resetting connection" << endl; + << read_buffer_ << endl; read_buffer_.erase(); } - - // reset connection - closeConnection(); - openConnection(); - break; - - } else { - // errno == EAGAIN - // Nothing new has arrived, so now's the time - // to tell the outside world if there's anything - // in the read buffer. - break; + break; // reset connection } } - if (!read_buffer_.empty()) { - read_buffer_ = rtrim(read_buffer_, "\n"); - lyxerr[Debug::LYXSERVER] - << "LyXComm: Received from fd " - << infd << '\n' - << '\"' << read_buffer_ << '\"' << endl; - clientcb(client, read_buffer_); - } - + // The connection gets reset in errno != EAGAIN + // Why does it need to be reset if errno == 0? + closeConnection(); + openConnection(); errno = 0; } @@ -345,6 +354,18 @@ void LyXComm::send(string const & msg) } +string const LyXComm::inPipeName() const +{ + return pipename + string(".in"); +} + + +string const LyXComm::outPipeName() const +{ + return pipename + string(".out"); +} + + // LyXServer class LyXServer::~LyXServer() @@ -475,7 +496,7 @@ void LyXServer::callback(LyXServer * serv, string const & msg) // support currently. (Lgb) - serv->func->dispatch(cmd + ' ' + arg); + serv->func->dispatch(FuncRequest(lyxaction.lookupFunc(cmd), arg)); string const rval = serv->func->getMessage(); //modified june 1999 stefano@zool.su.se: