[4874] | 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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| 2 | /* |
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| 3 | * Copyright (C) 2004-2013 HUBzero Foundation, LLC |
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| 4 | * |
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| 5 | */ |
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| 6 | |
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| 7 | #include <cassert> |
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| 8 | #include <cstdio> |
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| 9 | #include <cerrno> |
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| 10 | #include <cstring> |
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| 11 | #include <csignal> |
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| 12 | #include <ctime> |
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| 13 | |
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| 14 | #include <fcntl.h> |
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| 15 | #include <getopt.h> |
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| 16 | #include <sys/time.h> |
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| 17 | #include <sys/times.h> |
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| 18 | #include <sys/uio.h> // for readv/writev |
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| 19 | #include <unistd.h> |
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| 20 | |
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| 21 | #include <sstream> |
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| 22 | |
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| 23 | #include <tcl.h> |
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| 24 | |
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| 25 | #include <GL/glew.h> |
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| 26 | #include <GL/glut.h> |
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| 27 | |
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| 28 | #include <util/FilePath.h> |
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| 29 | |
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| 30 | #include "md5.h" |
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| 31 | |
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| 32 | #include "nanovis.h" |
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| 33 | #include "nanovisServer.h" |
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| 34 | #include "define.h" |
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| 35 | #include "Command.h" |
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| 36 | #include "ReadBuffer.h" |
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[4889] | 37 | #include "Shader.h" |
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[4874] | 38 | #include "Trace.h" |
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| 39 | |
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| 40 | using namespace nv; |
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| 41 | using namespace nv::util; |
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| 42 | |
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| 43 | Stats nv::g_stats; |
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| 44 | int nv::g_statsFile = -1; ///< Stats output file descriptor. |
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| 45 | int nv::g_fdIn = STDIN_FILENO; ///< Input file descriptor |
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| 46 | int nv::g_fdOut = STDOUT_FILENO; ///< Output file descriptor |
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| 47 | FILE *nv::g_fIn = NULL; ///< Input file handle |
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| 48 | FILE *nv::g_fOut = NULL; ///< Output file handle |
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| 49 | FILE *nv::g_fLog = NULL; ///< Trace logging file handle |
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| 50 | ReadBuffer *nv::g_inBufPtr = NULL; ///< Socket read buffer |
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| 51 | |
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| 52 | static void |
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| 53 | writeFrame(int fd, unsigned char *imgData) |
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| 54 | { |
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| 55 | #if 0 |
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| 56 | writePPM(fd, "nv>image -type image -bytes", |
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| 57 | imgData, |
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| 58 | NanoVis::winWidth, |
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| 59 | NanoVis::winHeight); |
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| 60 | #else |
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| 61 | NanoVis::ppmWrite("nv>image -type image -bytes"); |
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| 62 | #endif |
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| 63 | } |
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| 64 | |
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| 65 | static int |
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| 66 | sendAck() |
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| 67 | { |
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| 68 | std::ostringstream oss; |
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| 69 | oss << "nv>ok -token " << g_stats.nCommands << "\n"; |
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| 70 | std::string str = oss.str(); |
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| 71 | size_t numBytes = str.length(); |
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| 72 | |
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| 73 | TRACE("Sending OK for commands through %lu", g_stats.nCommands); |
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| 74 | if (write(g_fdOut, str.c_str(), numBytes) < 0) { |
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| 75 | ERROR("write failed: %s", strerror(errno)); |
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| 76 | return -1; |
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| 77 | } |
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| 78 | return 0; |
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| 79 | } |
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| 80 | |
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| 81 | #ifdef KEEPSTATS |
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| 82 | |
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| 83 | #ifndef STATSDIR |
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| 84 | #define STATSDIR "/var/tmp/visservers" |
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| 85 | #endif /*STATSDIR*/ |
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| 86 | |
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| 87 | int |
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| 88 | nv::getStatsFile(Tcl_Obj *objPtr) |
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| 89 | { |
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| 90 | Tcl_DString ds; |
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| 91 | char fileName[33]; |
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| 92 | char pidstr[200]; |
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| 93 | const char *path; |
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| 94 | md5_state_t state; |
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| 95 | md5_byte_t digest[16]; |
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| 96 | char *string; |
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| 97 | int length; |
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| 98 | |
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| 99 | if ((objPtr == NULL) || (g_statsFile >= 0)) { |
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| 100 | return g_statsFile; |
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| 101 | } |
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| 102 | /* By itself the client's key/value pairs aren't unique. Add in the |
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| 103 | * process id of this render server. */ |
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| 104 | sprintf(pidstr, "%ld", (long)g_stats.pid); |
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| 105 | |
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| 106 | /* Create an md5 hash of the key/value pairs and use it as the file name. */ |
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| 107 | string = Tcl_GetStringFromObj(objPtr, &length); |
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| 108 | md5_init(&state); |
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| 109 | md5_append(&state, (const md5_byte_t *)string, strlen(string)); |
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| 110 | md5_append(&state, (const md5_byte_t *)pidstr, strlen(pidstr)); |
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| 111 | md5_finish(&state, digest); |
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| 112 | for (int i = 0; i < 16; i++) { |
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| 113 | sprintf(fileName + i * 2, "%02x", digest[i]); |
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| 114 | } |
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| 115 | Tcl_DStringInit(&ds); |
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| 116 | Tcl_DStringAppend(&ds, STATSDIR, -1); |
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| 117 | Tcl_DStringAppend(&ds, "/", 1); |
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| 118 | Tcl_DStringAppend(&ds, fileName, 32); |
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| 119 | path = Tcl_DStringValue(&ds); |
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| 120 | |
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| 121 | g_statsFile = open(path, O_EXCL | O_CREAT | O_WRONLY, 0600); |
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| 122 | Tcl_DStringFree(&ds); |
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| 123 | if (g_statsFile < 0) { |
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| 124 | ERROR("can't open \"%s\": %s", fileName, strerror(errno)); |
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| 125 | return -1; |
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| 126 | } |
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| 127 | return g_statsFile; |
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| 128 | } |
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| 129 | |
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| 130 | int |
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| 131 | nv::writeToStatsFile(int f, const char *s, size_t length) |
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| 132 | { |
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| 133 | if (f >= 0) { |
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| 134 | ssize_t numWritten; |
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| 135 | |
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| 136 | numWritten = write(f, s, length); |
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| 137 | if (numWritten == (ssize_t)length) { |
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| 138 | close(dup(f)); |
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| 139 | } |
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| 140 | } |
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| 141 | return 0; |
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| 142 | } |
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| 143 | |
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| 144 | static int |
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| 145 | serverStats(int code) |
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| 146 | { |
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| 147 | double start, finish; |
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| 148 | char buf[BUFSIZ]; |
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| 149 | Tcl_DString ds; |
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| 150 | int result; |
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| 151 | |
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| 152 | { |
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| 153 | struct timeval tv; |
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| 154 | |
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| 155 | /* Get ending time. */ |
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| 156 | gettimeofday(&tv, NULL); |
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| 157 | finish = CVT2SECS(tv); |
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| 158 | tv = g_stats.start; |
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| 159 | start = CVT2SECS(tv); |
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| 160 | } |
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| 161 | /* |
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| 162 | * Session information: |
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| 163 | * - Name of render server |
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| 164 | * - Process ID |
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| 165 | * - Hostname where server is running |
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| 166 | * - Start date of session |
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| 167 | * - Start date of session in seconds |
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| 168 | * - Number of frames returned |
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| 169 | * - Number of bytes total returned (in frames) |
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| 170 | * - Number of commands received |
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| 171 | * - Total elapsed time of all commands |
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| 172 | * - Total elapsed time of session |
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| 173 | * - Exit code of vizserver |
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| 174 | * - User time |
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| 175 | * - System time |
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| 176 | * - User time of children |
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| 177 | * - System time of children |
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| 178 | */ |
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| 179 | |
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| 180 | Tcl_DStringInit(&ds); |
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| 181 | |
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| 182 | Tcl_DStringAppendElement(&ds, "render_stop"); |
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| 183 | /* renderer */ |
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| 184 | Tcl_DStringAppendElement(&ds, "renderer"); |
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| 185 | Tcl_DStringAppendElement(&ds, "nanovis"); |
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| 186 | /* pid */ |
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| 187 | Tcl_DStringAppendElement(&ds, "pid"); |
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| 188 | sprintf(buf, "%ld", (long)g_stats.pid); |
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| 189 | Tcl_DStringAppendElement(&ds, buf); |
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| 190 | /* host */ |
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| 191 | Tcl_DStringAppendElement(&ds, "host"); |
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| 192 | gethostname(buf, BUFSIZ-1); |
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| 193 | buf[BUFSIZ-1] = '\0'; |
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| 194 | Tcl_DStringAppendElement(&ds, buf); |
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| 195 | /* date */ |
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| 196 | Tcl_DStringAppendElement(&ds, "date"); |
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| 197 | strcpy(buf, ctime(&g_stats.start.tv_sec)); |
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| 198 | buf[strlen(buf) - 1] = '\0'; |
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| 199 | Tcl_DStringAppendElement(&ds, buf); |
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| 200 | /* date_secs */ |
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| 201 | Tcl_DStringAppendElement(&ds, "date_secs"); |
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| 202 | sprintf(buf, "%ld", g_stats.start.tv_sec); |
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| 203 | Tcl_DStringAppendElement(&ds, buf); |
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| 204 | /* num_frames */ |
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| 205 | Tcl_DStringAppendElement(&ds, "num_frames"); |
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| 206 | sprintf(buf, "%lu", (unsigned long)g_stats.nFrames); |
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| 207 | Tcl_DStringAppendElement(&ds, buf); |
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| 208 | /* frame_bytes */ |
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| 209 | Tcl_DStringAppendElement(&ds, "frame_bytes"); |
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| 210 | sprintf(buf, "%lu", (unsigned long)g_stats.nFrameBytes); |
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| 211 | Tcl_DStringAppendElement(&ds, buf); |
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| 212 | /* num_commands */ |
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| 213 | Tcl_DStringAppendElement(&ds, "num_commands"); |
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| 214 | sprintf(buf, "%lu", (unsigned long)g_stats.nCommands); |
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| 215 | Tcl_DStringAppendElement(&ds, buf); |
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| 216 | /* cmd_time */ |
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| 217 | Tcl_DStringAppendElement(&ds, "cmd_time"); |
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| 218 | sprintf(buf, "%g", g_stats.cmdTime); |
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| 219 | Tcl_DStringAppendElement(&ds, buf); |
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| 220 | /* session_time */ |
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| 221 | Tcl_DStringAppendElement(&ds, "session_time"); |
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| 222 | sprintf(buf, "%g", finish - start); |
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| 223 | Tcl_DStringAppendElement(&ds, buf); |
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| 224 | /* status */ |
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| 225 | Tcl_DStringAppendElement(&ds, "status"); |
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| 226 | sprintf(buf, "%d", code); |
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| 227 | Tcl_DStringAppendElement(&ds, buf); |
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| 228 | { |
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| 229 | long clocksPerSec = sysconf(_SC_CLK_TCK); |
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| 230 | double clockRes = 1.0 / clocksPerSec; |
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| 231 | struct tms tms; |
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| 232 | |
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| 233 | memset(&tms, 0, sizeof(tms)); |
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| 234 | times(&tms); |
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| 235 | /* utime */ |
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| 236 | Tcl_DStringAppendElement(&ds, "utime"); |
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| 237 | sprintf(buf, "%g", tms.tms_utime * clockRes); |
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| 238 | Tcl_DStringAppendElement(&ds, buf); |
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| 239 | /* stime */ |
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| 240 | Tcl_DStringAppendElement(&ds, "stime"); |
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| 241 | sprintf(buf, "%g", tms.tms_stime * clockRes); |
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| 242 | Tcl_DStringAppendElement(&ds, buf); |
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| 243 | /* cutime */ |
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| 244 | Tcl_DStringAppendElement(&ds, "cutime"); |
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| 245 | sprintf(buf, "%g", tms.tms_cutime * clockRes); |
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| 246 | Tcl_DStringAppendElement(&ds, buf); |
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| 247 | /* cstime */ |
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| 248 | Tcl_DStringAppendElement(&ds, "cstime"); |
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| 249 | sprintf(buf, "%g", tms.tms_cstime * clockRes); |
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| 250 | Tcl_DStringAppendElement(&ds, buf); |
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| 251 | } |
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| 252 | Tcl_DStringAppend(&ds, "\n", -1); |
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| 253 | int f = getStatsFile(NULL); |
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| 254 | result = writeToStatsFile(f, Tcl_DStringValue(&ds), |
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| 255 | Tcl_DStringLength(&ds)); |
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| 256 | close(f); |
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| 257 | Tcl_DStringFree(&ds); |
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| 258 | return result; |
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| 259 | } |
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| 260 | |
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| 261 | #endif |
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| 262 | |
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| 263 | /** |
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| 264 | * \brief Send a command with data payload |
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| 265 | */ |
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| 266 | void |
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| 267 | nv::sendDataToClient(const char *command, const char *data, size_t dlen) |
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| 268 | { |
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| 269 | size_t numRecords = 2; |
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| 270 | struct iovec *iov = new iovec[numRecords]; |
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| 271 | |
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| 272 | // Write the nanovisviewer command, then the image header and data. |
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| 273 | // Command |
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| 274 | iov[0].iov_base = const_cast<char *>(command); |
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| 275 | iov[0].iov_len = strlen(command); |
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| 276 | // Data |
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| 277 | iov[1].iov_base = const_cast<char *>(data); |
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| 278 | iov[1].iov_len = dlen; |
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| 279 | if (writev(g_fdOut, iov, numRecords) < 0) { |
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| 280 | ERROR("write failed: %s", strerror(errno)); |
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| 281 | } |
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| 282 | delete [] iov; |
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| 283 | } |
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| 284 | |
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| 285 | static void |
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| 286 | initService() |
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| 287 | { |
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| 288 | g_fIn = fdopen(g_fdIn, "r"); |
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| 289 | // Create a stream associated with the output file descriptor |
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| 290 | g_fOut = fdopen(g_fdOut, "w"); |
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| 291 | // If running without a socket, use stdout for debugging |
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| 292 | if (g_fOut == NULL) { |
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| 293 | g_fdOut = STDOUT_FILENO; |
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| 294 | g_fOut = stdout; |
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| 295 | } |
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| 296 | |
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| 297 | const char* user = getenv("USER"); |
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| 298 | char* logName = NULL; |
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| 299 | int logNameLen = 0; |
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| 300 | |
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| 301 | if (user == NULL) { |
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| 302 | logNameLen = 20+1; |
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| 303 | logName = (char *)calloc(logNameLen, sizeof(char)); |
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| 304 | strncpy(logName, "/tmp/nanovis_log.txt", logNameLen); |
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| 305 | } else { |
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| 306 | logNameLen = 17+1+strlen(user); |
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| 307 | logName = (char *)calloc(logNameLen, sizeof(char)); |
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| 308 | strncpy(logName, "/tmp/nanovis_log_", logNameLen); |
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| 309 | strncat(logName, user, strlen(user)); |
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| 310 | } |
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| 311 | |
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| 312 | // open log and map stderr to log file |
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| 313 | g_fLog = fopen(logName, "w"); |
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| 314 | dup2(fileno(g_fLog), STDERR_FILENO); |
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| 315 | // If we are writing to socket, map stdout to log |
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| 316 | if (g_fdOut != STDOUT_FILENO) { |
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| 317 | dup2(fileno(g_fLog), STDOUT_FILENO); |
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| 318 | } |
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| 319 | |
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| 320 | fflush(stdout); |
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| 321 | |
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| 322 | // clean up malloc'd memory |
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| 323 | if (logName != NULL) { |
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| 324 | free(logName); |
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| 325 | } |
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| 326 | } |
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| 327 | |
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| 328 | static void |
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| 329 | exitService(int code) |
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| 330 | { |
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| 331 | TRACE("Enter: %d", code); |
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| 332 | |
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| 333 | NanoVis::removeAllData(); |
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| 334 | |
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[4904] | 335 | Shader::exit(); |
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[4874] | 336 | |
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| 337 | //close log file |
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| 338 | if (g_fLog != NULL) { |
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| 339 | fclose(g_fLog); |
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| 340 | g_fLog = NULL; |
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| 341 | } |
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| 342 | |
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| 343 | #ifdef KEEPSTATS |
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| 344 | serverStats(code); |
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| 345 | #endif |
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| 346 | closelog(); |
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| 347 | |
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| 348 | exit(code); |
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| 349 | } |
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| 350 | |
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| 351 | #ifndef USE_NEW_EVENT_LOOP |
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| 352 | |
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| 353 | static int |
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| 354 | executeCommand(Tcl_Interp *interp, Tcl_DString *dsPtr) |
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| 355 | { |
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| 356 | int result; |
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| 357 | #ifdef WANT_TRACE |
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| 358 | char *str = Tcl_DStringValue(dsPtr); |
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| 359 | std::string cmd(str); |
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| 360 | cmd.erase(cmd.find_last_not_of(" \n\r\t")+1); |
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| 361 | TRACE("command %lu: '%s'", g_stats.nCommands+1, cmd.c_str()); |
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| 362 | #endif |
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| 363 | |
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| 364 | result = Tcl_Eval(interp, Tcl_DStringValue(dsPtr)); |
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| 365 | Tcl_DStringSetLength(dsPtr, 0); |
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| 366 | |
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| 367 | if (result != TCL_OK) { |
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| 368 | TRACE("Error: %d", result); |
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| 369 | } |
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| 370 | return result; |
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| 371 | } |
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| 372 | |
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| 373 | static int |
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| 374 | processCommands(Tcl_Interp *interp, FILE *inFile, int fdOut) |
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| 375 | { |
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| 376 | int ret = 0; |
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| 377 | int status = TCL_OK; |
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| 378 | |
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| 379 | Tcl_DString cmdbuffer; |
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| 380 | Tcl_DStringInit(&cmdbuffer); |
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| 381 | |
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| 382 | int flags = fcntl(0, F_GETFL, 0); |
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| 383 | fcntl(0, F_SETFL, flags & ~O_NONBLOCK); |
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| 384 | |
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| 385 | // Read and execute as many commands as we can from stdin... |
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| 386 | bool isComplete = false; |
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| 387 | while ((!feof(inFile)) && (status == TCL_OK)) { |
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| 388 | // |
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| 389 | // Read the next command from the buffer. First time through we |
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| 390 | // block here and wait if necessary until a command comes in. |
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| 391 | // |
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| 392 | // BE CAREFUL: Read only one command, up to a newline. The "volume |
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| 393 | // data follows" command needs to be able to read the data |
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| 394 | // immediately following the command, and we shouldn't consume it |
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| 395 | // here. |
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| 396 | // |
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| 397 | while (!feof(inFile)) { |
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| 398 | int c = fgetc(inFile); |
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| 399 | char ch; |
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| 400 | if (c <= 0) { |
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| 401 | if (errno == EWOULDBLOCK) { |
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| 402 | break; |
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| 403 | } |
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| 404 | return -1; |
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| 405 | } |
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| 406 | ch = (char)c; |
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| 407 | Tcl_DStringAppend(&cmdbuffer, &ch, 1); |
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| 408 | if (ch == '\n') { |
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| 409 | isComplete = Tcl_CommandComplete(Tcl_DStringValue(&cmdbuffer)); |
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| 410 | if (isComplete) { |
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| 411 | break; |
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| 412 | } |
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| 413 | } |
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| 414 | } |
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| 415 | // no command? then we're done for now |
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| 416 | if (Tcl_DStringLength(&cmdbuffer) == 0) { |
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| 417 | break; |
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| 418 | } |
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| 419 | if (isComplete) { |
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| 420 | // back to original flags during command evaluation... |
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| 421 | fcntl(0, F_SETFL, flags & ~O_NONBLOCK); |
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| 422 | struct timeval start, finish; |
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| 423 | gettimeofday(&start, NULL); |
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| 424 | status = executeCommand(interp, &cmdbuffer); |
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| 425 | gettimeofday(&finish, NULL); |
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| 426 | // non-blocking for next read -- we might not get anything |
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| 427 | fcntl(0, F_SETFL, flags | O_NONBLOCK); |
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| 428 | isComplete = false; |
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| 429 | g_stats.cmdTime += (MSECS_ELAPSED(start, finish) / 1.0e+3); |
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| 430 | g_stats.nCommands++; |
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| 431 | CHECK_FRAMEBUFFER_STATUS(); |
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| 432 | } |
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| 433 | } |
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| 434 | fcntl(0, F_SETFL, flags); |
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| 435 | |
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| 436 | if (status != TCL_OK) { |
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| 437 | if (handleError(interp, status, fdOut) < 0) { |
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| 438 | return -1; |
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| 439 | } |
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| 440 | TRACE("Leaving on ERROR"); |
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| 441 | } |
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| 442 | |
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| 443 | return ret; |
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| 444 | } |
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| 445 | #endif |
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| 446 | |
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| 447 | static void |
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| 448 | idle() |
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| 449 | { |
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| 450 | TRACE("Enter"); |
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| 451 | |
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| 452 | glutSetWindow(NanoVis::renderWindow); |
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| 453 | |
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| 454 | #ifdef USE_NEW_EVENT_LOOP |
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| 455 | if (nv::processCommands(NanoVis::interp, g_inBufPtr, g_fdOut) < 0) { |
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| 456 | exitService(1); |
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| 457 | } |
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| 458 | #else |
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| 459 | if (processCommands(NanoVis::interp, g_fIn, g_fdOut) < 0) { |
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| 460 | exitService(1); |
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| 461 | } |
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| 462 | #endif |
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| 463 | |
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| 464 | NanoVis::update(); |
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| 465 | NanoVis::bindOffscreenBuffer(); |
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| 466 | NanoVis::render(); |
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| 467 | bool renderedSomething = true; |
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| 468 | if (renderedSomething) { |
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| 469 | TRACE("Rendering new frame"); |
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| 470 | NanoVis::readScreen(); |
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| 471 | writeFrame(g_fdOut, NanoVis::screenBuffer); |
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| 472 | } else { |
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| 473 | TRACE("No render required"); |
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| 474 | sendAck(); |
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| 475 | } |
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| 476 | |
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| 477 | #ifdef USE_NEW_EVENT_LOOP |
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| 478 | if (g_inBufPtr->status() == ReadBuffer::ENDFILE) { |
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| 479 | exitService(0); |
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| 480 | } |
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| 481 | #else |
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| 482 | if (feof(g_fIn)) { |
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| 483 | exitService(0); |
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| 484 | } |
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| 485 | #endif |
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| 486 | |
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| 487 | TRACE("Leave"); |
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| 488 | } |
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| 489 | |
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| 490 | static |
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| 491 | void shaderErrorCallback(void) |
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| 492 | { |
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[4889] | 493 | if (!Shader::printErrorInfo()) { |
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[4874] | 494 | TRACE("Shader error, exiting..."); |
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| 495 | exitService(1); |
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| 496 | } |
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| 497 | } |
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| 498 | |
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| 499 | static |
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| 500 | void reshape(int width, int height) |
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| 501 | { |
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| 502 | NanoVis::resizeOffscreenBuffer(width, height); |
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| 503 | } |
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| 504 | |
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| 505 | int |
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| 506 | main(int argc, char **argv) |
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| 507 | { |
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| 508 | // Ignore SIGPIPE. **Is this needed? ** |
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| 509 | signal(SIGPIPE, SIG_IGN); |
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| 510 | |
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| 511 | const char *resourcePath = NULL; |
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| 512 | while (1) { |
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| 513 | static struct option long_options[] = { |
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| 514 | {"debug", no_argument, NULL, 'd'}, |
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| 515 | {"path", required_argument, NULL, 'p'}, |
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| 516 | {0, 0, 0, 0} |
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| 517 | }; |
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| 518 | int option_index = 0; |
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| 519 | int c = getopt_long(argc, argv, "dp:i:o:", long_options, &option_index); |
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| 520 | if (c == -1) { |
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| 521 | break; |
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| 522 | } |
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| 523 | switch (c) { |
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| 524 | case 'd': |
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| 525 | NanoVis::debugFlag = true; |
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| 526 | break; |
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| 527 | case 'p': |
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| 528 | resourcePath = optarg; |
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| 529 | break; |
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| 530 | case 'i': { |
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| 531 | int fd = atoi(optarg); |
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| 532 | if (fd >=0 && fd < 5) { |
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| 533 | g_fdIn = fd; |
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| 534 | } |
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| 535 | } |
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| 536 | break; |
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| 537 | case 'o': { |
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| 538 | int fd = atoi(optarg); |
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| 539 | if (fd >=0 && fd < 5) { |
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| 540 | g_fdOut = fd; |
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| 541 | } |
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| 542 | } |
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| 543 | break; |
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| 544 | case '?': |
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| 545 | break; |
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| 546 | default: |
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| 547 | return 1; |
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| 548 | } |
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| 549 | } |
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| 550 | |
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| 551 | initService(); |
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| 552 | initLog(); |
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| 553 | |
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| 554 | memset(&g_stats, 0, sizeof(nv::Stats)); |
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| 555 | g_stats.pid = getpid(); |
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| 556 | gettimeofday(&g_stats.start, NULL); |
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| 557 | |
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| 558 | TRACE("Starting NanoVis Server"); |
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| 559 | if (NanoVis::debugFlag) { |
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| 560 | TRACE("Debugging on"); |
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| 561 | } |
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| 562 | |
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| 563 | // Sanity check: log descriptor can't be used for client IO |
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| 564 | if (fileno(g_fLog) == g_fdIn) { |
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| 565 | ERROR("Invalid input file descriptor"); |
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| 566 | return 1; |
---|
| 567 | } |
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| 568 | if (fileno(g_fLog) == g_fdOut) { |
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| 569 | ERROR("Invalid output file descriptor"); |
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| 570 | return 1; |
---|
| 571 | } |
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| 572 | TRACE("File descriptors: in %d out %d log %d", g_fdIn, g_fdOut, fileno(g_fLog)); |
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| 573 | |
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[4889] | 574 | /* This synchronizes the client with the server, so that the client |
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| 575 | * doesn't start writing commands before the server is ready. It could |
---|
| 576 | * also be used to supply information about the server (version, memory |
---|
| 577 | * size, etc). */ |
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[4874] | 578 | fprintf(g_fOut, "NanoVis %s (build %s)\n", NANOVIS_VERSION_STRING, SVN_VERSION); |
---|
| 579 | fflush(g_fOut); |
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| 580 | |
---|
| 581 | #ifdef USE_NEW_EVENT_LOOP |
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| 582 | g_inBufPtr = new ReadBuffer(g_fdIn, 1<<12); |
---|
| 583 | #endif |
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| 584 | |
---|
| 585 | Tcl_Interp *interp = Tcl_CreateInterp(); |
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| 586 | ClientData clientData = NULL; |
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| 587 | |
---|
| 588 | initTcl(interp, clientData); |
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| 589 | NanoVis::interp = interp; |
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| 590 | |
---|
| 591 | /* Initialize GLUT here so it can parse and remove GLUT-specific |
---|
| 592 | * command-line options before we parse the command-line below. */ |
---|
| 593 | glutInit(&argc, argv); |
---|
| 594 | glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA); |
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| 595 | glutInitWindowSize(NanoVis::winWidth, NanoVis::winHeight); |
---|
| 596 | glutInitWindowPosition(10, 10); |
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| 597 | NanoVis::renderWindow = glutCreateWindow("nanovis"); |
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| 598 | |
---|
| 599 | glutIdleFunc(idle); |
---|
| 600 | glutDisplayFunc(NanoVis::render); |
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| 601 | glutReshapeFunc(reshape); |
---|
| 602 | |
---|
| 603 | char *newResourcePath = NULL; |
---|
| 604 | if (resourcePath == NULL) { |
---|
| 605 | char *p; |
---|
| 606 | |
---|
| 607 | // See if we can derive the path from the location of the program. |
---|
| 608 | // Assume program is in the form <path>/bin/nanovis. |
---|
| 609 | resourcePath = argv[0]; |
---|
| 610 | p = strrchr((char *)resourcePath, '/'); |
---|
| 611 | if (p != NULL) { |
---|
| 612 | *p = '\0'; |
---|
| 613 | p = strrchr((char *)resourcePath, '/'); |
---|
| 614 | } |
---|
| 615 | if (p == NULL) { |
---|
| 616 | ERROR("Resource path not specified, and could not determine a valid path"); |
---|
| 617 | return 1; |
---|
| 618 | } |
---|
| 619 | *p = '\0'; |
---|
| 620 | newResourcePath = new char[(strlen(resourcePath) + 15) * 2 + 1]; |
---|
| 621 | sprintf(newResourcePath, "%s/lib/shaders:%s/lib/resources", resourcePath, resourcePath); |
---|
| 622 | resourcePath = newResourcePath; |
---|
| 623 | TRACE("No resource path specified, using: %s", resourcePath); |
---|
| 624 | } else { |
---|
| 625 | TRACE("Resource path: '%s'", resourcePath); |
---|
| 626 | } |
---|
| 627 | |
---|
| 628 | FilePath::getInstance()->setWorkingDirectory(argc, (const char**) argv); |
---|
| 629 | |
---|
| 630 | if (!NanoVis::init(resourcePath)) { |
---|
| 631 | exitService(1); |
---|
| 632 | } |
---|
| 633 | if (newResourcePath != NULL) { |
---|
| 634 | delete [] newResourcePath; |
---|
| 635 | } |
---|
| 636 | |
---|
[4904] | 637 | Shader::init(); |
---|
[4874] | 638 | // Override callback with one that cleans up server on exit |
---|
[4889] | 639 | Shader::setErrorCallback(shaderErrorCallback); |
---|
[4874] | 640 | |
---|
| 641 | if (!NanoVis::initGL()) { |
---|
| 642 | exitService(1); |
---|
| 643 | } |
---|
| 644 | |
---|
| 645 | if (!NanoVis::resizeOffscreenBuffer(NanoVis::winWidth, NanoVis::winHeight)) { |
---|
| 646 | exitService(1); |
---|
| 647 | } |
---|
| 648 | |
---|
| 649 | glutMainLoop(); |
---|
| 650 | |
---|
| 651 | exitService(0); |
---|
| 652 | } |
---|