]> git.lyx.org Git - lyx.git/blobdiff - src/lyxserver.C
* Give Dialog::Controller::initialiseParams a bool return type.
[lyx.git] / src / lyxserver.C
index f9435b954155e819e9841b73179032096b8773e9..d7044b146ff524976a148014c40cc83271d52fb3 100644 (file)
 #include <unistd.h>
 #include <fcntl.h>
 #include <cerrno>
-#include FORMS_H_LOCATION
-
-#ifdef __GNUG__
-#pragma implementation
-#endif
 
 #include "lyxserver.h"
 #include "lyx_main.h"
@@ -215,7 +210,7 @@ void LyXComm::endPipe(int & fd, string const & filename, bool write)
        if (!write) {
                lyx_gui::remove_read_callback(fd);
        }
+
 #ifdef __EMX__
        APIRET rc;
        int errnum;
@@ -258,56 +253,56 @@ void LyXComm::emergencyCleanup()
 // Receives messages and sends then to client
 void LyXComm::read_ready()
 {
-       if (lyxerr.debugging(Debug::LYXSERVER)) {
-               lyxerr << "LyXComm: Receiving from fd " << infd << endl;
-       }
+       // nb! make read_buffer_ a class-member for multiple sessions
+       static string read_buffer_;
+       read_buffer_.erase();
 
-       int const CMDBUFLEN = 100;
-       char charbuf[CMDBUFLEN];
-       string cmd;
-// nb! make lsbuf a class-member for multiple sessions
-       static string lsbuf;
+       int const charbuf_size = 100;
+       char charbuf[charbuf_size];
 
        errno = 0;
        int status;
        // the single = is intended here.
-       while ((status = read(infd, charbuf, CMDBUFLEN - 1))) {
-               int rerrno = errno;
+       while ((status = ::read(infd, charbuf, charbuf_size - 1))) {
+
                if (status > 0) {
-                       charbuf[status]= '\0'; // turn it into a c string
-                       lsbuf += rtrim(charbuf, "\r");
+                       charbuf[status] = '\0'; // turn it into a c string
+                       read_buffer_ += rtrim(charbuf, "\r");
                        // commit any commands read
-                       while (lsbuf.find('\n') != string::npos) {
+                       while (read_buffer_.find('\n') != string::npos) {
                                // split() grabs the entire string if
                                // the delim /wasn't/ found. ?:-P
-                               lsbuf= split(lsbuf, cmd,'\n');
+                               string cmd;
+                               read_buffer_= split(read_buffer_, cmd,'\n');
                                lyxerr[Debug::LYXSERVER]
                                        << "LyXComm: status:" << status
-                                       << ", lsbuf:" << lsbuf
+                                       << ", read_buffer_:" << read_buffer_
                                        << ", cmd:" << cmd << endl;
                                if (!cmd.empty())
                                        clientcb(client, cmd);
                                        //\n or not \n?
                        }
                }
-               if (rerrno == EAGAIN) {
+               if (errno == EAGAIN) {
                        errno = 0;
                        return;
                }
-               if (rerrno != 0) {
-                       lyxerr << "LyXComm: " << strerror(rerrno) << endl;
-                       if (!lsbuf.empty()) {
+               if (errno != 0) {
+                       lyxerr << "LyXComm: " << strerror(errno) << endl;
+                       if (!read_buffer_.empty()) {
                                lyxerr << "LyXComm: truncated command: "
-                                      << lsbuf << endl;
-                               lsbuf.erase();
+                                      << read_buffer_ << endl;
+                               read_buffer_.erase();
                        }
                        break; // reset connection
                }
        }
+
+       // The connection gets reset in errno != EAGAIN
+       // Why does it need to be reset if errno == 0?
        closeConnection();
        openConnection();
-       errno= 0;
+       errno = 0;
 }
 
 
@@ -387,7 +382,8 @@ void LyXServer::callback(LyXServer * serv, string const & msg)
                if (compare(p, "LYXSRV:", 7) == 0) {
                        server_only = true;
                } else if (0 != compare(p, "LYXCMD:", 7)) {
-                       lyxerr << "LyXServer: Unknown request \"" << p << "\"" << endl;
+                       lyxerr << "LyXServer: Unknown request \""
+                              << p << '"' << endl;
                        return;
                }
                p += 7;
@@ -463,7 +459,7 @@ void LyXServer::callback(LyXServer * serv, string const & msg)
                                }
                        } else {
                                lyxerr <<"LyXServer: Undefined server command "
-                                      << cmd << "." << endl;
+                                      << cmd << '.' << endl;
                        }
                        return;
                }
@@ -489,7 +485,7 @@ void LyXServer::callback(LyXServer * serv, string const & msg)
                                buf = "ERROR:";
                        else
                                buf = "INFO:";
-                       buf += client + ":" + cmd + ":" +  rval + "\n";
+                       buf += client + ':' + cmd + ':' +  rval + '\n';
                        serv->pipes.send(buf);
 
                        // !!! we don't do any error checking -