X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FServer.cpp;h=b7fa35ee13fbeee11d1a8676a73f6f31fada827c;hb=0407364392abca866ee5a3da3c89ad41811ed81f;hp=9b9f6e0a75a76009cdc569df7a3e2f26a54a188a;hpb=e26331dd35359afbe4863c7db517b6900b23f019;p=lyx.git diff --git a/src/Server.cpp b/src/Server.cpp index 9b9f6e0a75..b7fa35ee13 100644 --- a/src/Server.cpp +++ b/src/Server.cpp @@ -51,15 +51,18 @@ #include "support/debug.h" #include "support/FileName.h" +#include "support/filetools.h" #include "support/lassert.h" #include "support/lstrings.h" #include "support/os.h" -#include +#include "support/bind.h" #ifdef _WIN32 +#include #include #endif +#include #include #ifdef HAVE_SYS_STAT_H @@ -140,6 +143,7 @@ LyXComm::LyXComm(string const & pip, Server * cli, ClientCallbackfct ccb) pipe_[i].handle = INVALID_HANDLE_VALUE; } ready_ = false; + deferred_loading_ = false; openConnection(); } @@ -515,8 +519,14 @@ void LyXComm::openConnection() return; } - // Check whether the pipe name is being used by some other program. + // Check whether the pipe name is being used by some other instance. if (!stopserver_ && WaitNamedPipe(inPipeName().c_str(), 0)) { + // Tell the running instance to load the files + if (run_mode == USE_REMOTE && loadFilesInOtherInstance()) { + deferred_loading_ = true; + pipename_.erase(); + return; + } lyxerr << "LyXComm: Pipe " << external_path(inPipeName()) << " already exists.\nMaybe another instance of LyX" " is using it." << endl; @@ -685,6 +695,7 @@ string const LyXComm::pipeName(DWORD index) const LyXComm::LyXComm(string const &, Server *, ClientCallbackfct) {} + void LyXComm::openConnection() {} @@ -706,6 +717,7 @@ void LyXComm::endPipe(int & fd, string const & filename, bool write) void LyXComm::emergencyCleanup() {} + void LyXComm::read_ready() {} @@ -716,11 +728,11 @@ void LyXComm::send(string const & msg) #else // defined (HAVE_MKFIFO) - LyXComm::LyXComm(string const & pip, Server * cli, ClientCallbackfct ccb) : pipename_(pip), client_(cli), clientcb_(ccb) { ready_ = false; + deferred_loading_ = false; openConnection(); } @@ -798,6 +810,12 @@ int LyXComm::startPipe(string const & file, bool write) if (fd >= 0) { // Another LyX instance is using it. ::close(fd); + // Tell the running instance to load the files + if (run_mode == USE_REMOTE && loadFilesInOtherInstance()) { + deferred_loading_ = true; + pipename_.erase(); + return -1; + } } else if (errno == ENXIO) { // No process is reading from the other end. stalepipe = true; @@ -840,7 +858,7 @@ int LyXComm::startPipe(string const & file, bool write) if (!write) { theApp()->registerSocketCallback(fd, - boost::bind(&LyXComm::read_ready, this)); + bind(&LyXComm::read_ready, this)); } return fd; @@ -860,7 +878,7 @@ void LyXComm::endPipe(int & fd, string const & filename, bool write) << '\n' << strerror(errno) << endl; } - if (FileName(filename).removeFile() < 0) { + if (!FileName(filename).removeFile()) { lyxerr << "LyXComm: Could not remove pipe " << filename << '\n' << strerror(errno) << endl; } @@ -898,7 +916,6 @@ void LyXComm::read_ready() int status; // the single = is intended here. while ((status = ::read(infd_, charbuf, charbuf_size - 1))) { - if (status > 0) { charbuf[status] = '\0'; // turn it into a c string read_buffer_ += rtrim(charbuf, "\r"); @@ -949,7 +966,8 @@ void LyXComm::send(string const & msg) LYXERR(Debug::LYXSERVER, "LyXComm: Sending '" << msg << '\''); - if (pipename_.empty()) return; + if (pipename_.empty()) + return; if (!ready_) { LYXERR0("LyXComm: Pipes are closed. Could not send " << msg); @@ -964,6 +982,49 @@ void LyXComm::send(string const & msg) #endif // defined (HAVE_MKFIFO) +namespace { + +struct Sleep : QThread +{ + static void millisec(unsigned long ms) + { + QThread::usleep(ms * 1000); + } +}; + +} // namespace anon + + +bool LyXComm::loadFilesInOtherInstance() +{ + int pipefd; + int loaded_files = 0; + FileName const pipe(inPipeName()); + vector::iterator it = theFilesToLoad().begin(); + while (it != theFilesToLoad().end()) { + FileName fname = fileSearch(string(), os::internal_path(*it), + "lyx", may_not_exist); + if (fname.empty()) { + ++it; + continue; + } + // Wait a while to allow time for the other + // instance to reset the connection + Sleep::millisec(200); + pipefd = ::open(pipe.toFilesystemEncoding().c_str(), O_WRONLY); + if (pipefd < 0) + break; + string const cmd = "LYXCMD:pipe:file-open:" + + fname.absFileName() + '\n'; + if (::write(pipefd, cmd.c_str(), cmd.length()) < 0) + LYXERR0("Cannot write to pipe!"); + ::close(pipefd); + ++loaded_files; + it = theFilesToLoad().erase(it); + } + return loaded_files > 0; +} + string const LyXComm::inPipeName() const { @@ -1008,7 +1069,6 @@ Server::~Server() int compare(char const * a, char const * b, unsigned int len) { - using namespace std; return strncmp(a, b, len); } @@ -1113,7 +1173,8 @@ void Server::callback(string const & msg) // connect to the lyxfunc in the single GuiView we // support currently. (Lgb) - FuncRequest const fr(lyxaction.lookupFunc(cmd), arg); + FuncRequest fr(lyxaction.lookupFunc(cmd), arg); + fr.setOrigin(FuncRequest::LYXSERVER); DispatchResult dr; theApp()->dispatch(fr, dr); string const rval = to_utf8(dr.message());