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annotate nodejs/njs_mb_supp.c @ 1307:cfbc0f3e54e3

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Add supporting for programmer defined prefix for data_monitor
author Thinker K.F. Li <thinker@codemud.net>
date Thu, 20 Jan 2011 00:34:08 +0800
parents 88bd0eee2b00
children
rev   line source
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
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2 // vim: sw=4:ts=8:sts=4
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3 /*! \brief Implement X11 backend for nodejs plugin.
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4 *
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5 * Since nodejs use libev to handle event loops, part of X11 backend
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6 * code can not be used directly. The part of code should be rewrote.
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7 * The part is about
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8 */
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9 #include <stdio.h>
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10 #include <string.h>
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11 #include <ev.h>
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12 #include "mb_tools.h"
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13 #include <mb_backend.h>
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14 #include "njs_mb_supp.h"
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15
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16 #ifndef ASSERT
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17 #define ASSERT(x)
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18 #endif
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19
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20 #define OK 0
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21 #define ERR -1
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22
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23
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24 /*! \defgroup njs_timer_man Timer manager for nodejs.
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25 * @{
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26 */
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27 struct _njs_timer_timeout {
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28 ev_timer tmwatcher;
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29 mb_timer_cb_t cb;
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30 mb_timeval_t *timeout;
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31 void *data;
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32 };
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33
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34 static int njs_timer_man_timeout(mb_timer_man_t *tm_man,
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35 mb_timeval_t *tm_out,
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36 mb_timer_cb_t cb, void *data);
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37 static void njs_timer_man_remove(mb_timer_man_t *tm_man, int tm_hdl);
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38 static mb_timer_man_t *njs_timer_man_new(void);
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39 static void njs_timer_man_free(mb_timer_man_t *timer_man);
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40
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41 static mb_timer_man_t njs_timer_man = {
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42 njs_timer_man_timeout,
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43 njs_timer_man_remove
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44 };
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45
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46 static mb_timer_factory_t njs_timer_factory = {
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47 njs_timer_man_new,
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48 njs_timer_man_free
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49 };
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50
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51 static void
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52 njs_timer_man_cb(EV_P_ ev_timer *tmwatcher, int revent) {
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53 struct _njs_timer_timeout *timer_timeout =
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54 MEM2OBJ(tmwatcher, struct _njs_timer_timeout, tmwatcher);
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55 mb_timeval_t now;
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56
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57 get_now(&now);
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58 timer_timeout->cb((int)timer_timeout, timer_timeout->timeout, &now,
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59 timer_timeout->data);
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60 }
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61
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62 static int
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63 njs_timer_man_timeout(mb_timer_man_t *tm_man,
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64 mb_timeval_t *timeout,
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65 mb_timer_cb_t cb, void *data) {
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66 struct _njs_timer_timeout *timer_timeout;
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67 mb_timeval_t now, timeout_diff;
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68 ev_tstamp timeout_stamp;
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69
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70 timer_timeout = O_ALLOC(struct _njs_timer_timeout);
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71 if(timer_timeout == NULL)
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72 return ERR;
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73
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74 timer_timeout->cb = cb;
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75 timer_timeout->timeout = timeout;
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76
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77 get_now(&now);
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78
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79 memcpy(&timeout_diff, timeout, sizeof(mb_timeval_t));
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80 MB_TIMEVAL_DIFF(&timeout_diff, &now);
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81 timeout_stamp = (ev_tstamp)MB_TIMEVAL_SEC(&timeout_diff) +
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82 (ev_tstamp)MB_TIMEVAL_USEC(&timeout_diff) / 1000000;
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83 ev_timer_init(&timer_timeout->tmwatcher, njs_timer_man_cb,
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84 timeout_stamp, 0);
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85 ev_timer_start(&timer_timeout->tmwatcher);
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86
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87 return (int)timer_timeout;
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88 }
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89
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90 static void
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91 njs_timer_man_remove(struct _mb_timer_man *tm_man, int tm_hdl) {
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92 struct _njs_timer_timeout *timer_timeout =
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93 (struct _njs_timer_timeout *)tm_hdl;
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94
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95 ev_timer_stop(&timer_timeout->tmwatcher);
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96 free(timer_timeout);
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97 }
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98
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99 static mb_timer_man_t *
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100 njs_timer_man_new(void) {
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101 return &njs_timer_man;
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102 }
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103
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104 static void
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105 njs_timer_man_free(mb_timer_man_t *timer_man) {
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106 }
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107
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108 void
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109 njs_mb_reg_timer_man(void) {
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110 mb_reg_timer_factory(&njs_timer_factory);
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111 }
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112
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113 /* @} */
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114
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115
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116 /*! \defgroup njs_io_man IO manager for nodejs.
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117 * @{
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118 */
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119 struct _njs_io_reg {
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120 ev_io iowatcher;
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121 int fd;
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122 mb_IO_cb_t cb;
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123 void *data;
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124 };
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125
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126 static int njs_io_man_reg(struct _mb_IO_man *io_man,
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127 int fd, MB_IO_TYPE type, mb_IO_cb_t cb, void *data);
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128 static void njs_io_man_unreg(struct _mb_IO_man *io_man, int io_hdl);
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129 static mb_IO_man_t *njs_io_man_new(void);
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130 static void njs_io_man_free(mb_IO_man_t *io_man);
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131
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132 static mb_IO_man_t njs_io_man = {
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133 njs_io_man_reg,
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134 njs_io_man_unreg
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135 };
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136
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137 /*! \brief IO factory to integrate MadButterfly to event loop of nodejs.
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138 */
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139 static mb_IO_factory_t njs_io_factory = {
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140 njs_io_man_new,
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141 njs_io_man_free
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142 };
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143
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144 /*! \brief Bridge libev callback to IO manager callback.
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145 */
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diff changeset
146 static void
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147 njs_io_man_cb(EV_P_ ev_io *iowatcher, int revent) {
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148 struct _njs_io_reg *io_reg =
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149 MEM2OBJ(iowatcher, struct _njs_io_reg, iowatcher);
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150 MB_IO_TYPE type;
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151
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152 switch(revent & (EV_READ | EV_WRITE)) {
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153 case EV_READ:
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154 type = MB_IO_R;
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155 break;
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156 case EV_WRITE:
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157 type = MB_IO_W;
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158 break;
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159 case EV_READ | EV_WRITE:
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160 type = MB_IO_RW;
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161 break;
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162 }
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163
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164 io_reg->cb((int)io_reg, io_reg->fd, type, io_reg->data);
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165 }
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166
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167 static int
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168 njs_io_man_reg(struct _mb_IO_man *io_man,
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169 int fd, MB_IO_TYPE type, mb_IO_cb_t cb, void *data) {
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170 int _type;
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171 struct _njs_io_reg *io_reg;
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172
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173 if(type == MB_IO_R)
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174 _type = EV_READ;
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175 else if(type == MB_IO_W)
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176 _type = EV_WRITE;
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177 else if(type == MB_IO_RW)
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178 _type = EV_READ | EV_WRITE;
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179 else
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180 return ERR;
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181
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182 io_reg = O_ALLOC(struct _njs_io_reg);
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183 if(io_reg == NULL)
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184 return ERR;
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185
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186 io_reg->fd = fd;
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187 io_reg->cb = cb;
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188 io_reg->data = data;
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189
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190 ev_io_init(&io_reg->iowatcher, njs_io_man_cb, fd, _type);
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191 ev_io_start(&io_reg->iowatcher);
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192
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193 return (int)io_reg;
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194 }
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195
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196 static void
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197 njs_io_man_unreg(struct _mb_IO_man *io_man, int io_hdl) {
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198 struct _njs_io_reg *io_reg = (struct _njs_io_reg *)io_hdl;
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199
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200 ev_io_stop(&io_reg->iowatcher);
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201 free(io_reg);
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202 }
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203
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204 static mb_IO_man_t *
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205 njs_io_man_new(void) {
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206 return &njs_io_man;
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207 }
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208
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209 static void
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210 njs_io_man_free(mb_IO_man_t *io_man) {
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211 }
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212
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213 /*! \brief Register an IO factory with MadButterfly backend.
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214 */
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215 void
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216 njs_mb_reg_IO_man(void) {
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217 mb_reg_IO_factory(&njs_io_factory);
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218 }
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219
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220 /* @} */
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221
551
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diff changeset
222 /*! \brief Free njs_runtime_t.
550
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223 */
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224 void
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225 njs_mb_free(njs_runtime_t *rt) {
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diff changeset
226 /*!
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diff changeset
227 * TODO: Release all IO and timer request.
546
249bcbf07eb0 Reuse and adapt X_supp.c by implmeneting X_supp_njs.c
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parents:
diff changeset
228 */
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diff changeset
229 mb_runtime_free(rt->mb_rt);
554
4caf6090825f Fix leaking on freeing a njs runtime object
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diff changeset
230 free(rt);
546
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parents:
diff changeset
231 }
550
127499ab2412 Upgrade ndoejs plugin to level of a new runtime.
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diff changeset
232
871
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diff changeset
233 /*! \brief Free njs_runtime_t.
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diff changeset
234 */
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diff changeset
235 void
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diff changeset
236 njs_mb_free_keep_win(njs_runtime_t *rt) {
871
67d0fed24120 Export a function to create a runtime for an existed window for JS
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diff changeset
237 /*
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diff changeset
238 * TODO: Release all IO and timer request.
871
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diff changeset
239 */
1055
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diff changeset
240 mb_runtime_free_keep_win(rt->mb_rt);
871
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diff changeset
241 free(rt);
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diff changeset
242 }
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diff changeset
243
571
13b15b7a463b Redraw all and changed in Javascript
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diff changeset
244 int
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diff changeset
245 njs_mb_flush(njs_runtime_t *rt) {
1055
1375aa8629ac Rename njs_runtime_t::xrt to njs_runtime_t::mb_rt
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diff changeset
246 mb_rt_t *mb_rt = rt->mb_rt;
571
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parents: 560
diff changeset
247 int r;
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diff changeset
248
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diff changeset
249 r = mb_runtime_flush(mb_rt);
571
13b15b7a463b Redraw all and changed in Javascript
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diff changeset
250 return r;
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diff changeset
251 }
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diff changeset
252
551
9e69c4a0f565 rename njs_ev_data_t to njs_runtime_t
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diff changeset
253 njs_runtime_t *
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diff changeset
254 njs_mb_new(char *display_name, int w, int h) {
552
dd8d32b4c899 rename ev_data to rt
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diff changeset
255 njs_runtime_t *rt;
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diff changeset
256 mb_rt_t *mb_rt;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 753
diff changeset
257
552
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diff changeset
258 rt = (njs_runtime_t *)malloc(sizeof(njs_runtime_t));
dd8d32b4c899 rename ev_data to rt
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diff changeset
259 ASSERT(rt != NULL);
550
127499ab2412 Upgrade ndoejs plugin to level of a new runtime.
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diff changeset
260
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diff changeset
261 mb_rt = mb_runtime_new(display_name, w, h);
550
127499ab2412 Upgrade ndoejs plugin to level of a new runtime.
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parents: 546
diff changeset
262
1055
1375aa8629ac Rename njs_runtime_t::xrt to njs_runtime_t::mb_rt
Thinker K.F. Li <thinker@codemud.net>
parents: 1054
diff changeset
263 rt->mb_rt = mb_rt;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 753
diff changeset
264
552
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diff changeset
265 return rt;
550
127499ab2412 Upgrade ndoejs plugin to level of a new runtime.
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diff changeset
266 }
127499ab2412 Upgrade ndoejs plugin to level of a new runtime.
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diff changeset
267
871
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diff changeset
268 /*! \brief Create a njs_runtime_t for an existed window.
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diff changeset
269 *
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diff changeset
270 * The njs_runtime_t created by this function must be free by
1053
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diff changeset
271 * njs_mb_free_keep_win().
871
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diff changeset
272 */
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diff changeset
273 njs_runtime_t *
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df6ee4568ca2 Rename X_njs_MB_* to njs_mb_* for nodejs plugin.
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diff changeset
274 njs_mb_new_with_win(void *display, long win) {
871
67d0fed24120 Export a function to create a runtime for an existed window for JS
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diff changeset
275 njs_runtime_t *rt;
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diff changeset
276 mb_rt_t *mb_rt;
871
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277
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278 rt = (njs_runtime_t *)malloc(sizeof(njs_runtime_t));
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279 ASSERT(rt != NULL);
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280
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281 mb_rt = mb_runtime_new_with_win((Display *)display, win);
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282
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283 rt->mb_rt = mb_rt;
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284
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285 return rt;
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286 }
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287
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288 /*! \brief Pass a X event to X runtime.
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289 */
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290 void
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291 njs_mb_handle_single_event(njs_runtime_t *rt, void *evt) {
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292 #if 0
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293 void *mb_rt = rt->mb_rt;
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294 extern void _X_MB_handle_single_event(void *rt, void *evt);
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295
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296 _X_MB_handle_single_event(mb_rt, evt);
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297 #endif
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298 }
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299
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300 /*! \brief Called at end of an iteration of event loop.
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301 */
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302 void
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303 njs_mb_no_more_event(njs_runtime_t *rt) {
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304 #if 0
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305 mb_rt_t *mb_rt = rt->mb_rt;
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306 extern void _X_MB_no_more_event(mb_rt_t *rt);
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307
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308 _X_MB_no_more_event(mb_rt);
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309 #endif
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310 }
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311
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312 /*! \brief Get X runtime that is backend of this njs runtime.
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313 */
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314 mb_rt_t *
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315 _njs_mb_get_runtime(njs_runtime_t *rt) {
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316 return rt->mb_rt;
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317 }