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148
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #define PERL_NO_GET_CONTEXT
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8
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9 #include <ngx_config.h>
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10 #include <ngx_core.h>
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11 #include <ngx_http.h>
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12 #include <ngx_http_perl_module.h>
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13
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152
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14 #include "XSUB.h"
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15
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148
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16
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17 static ngx_int_t
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18 ngx_http_perl_sv2str(pTHX_ ngx_http_request_t *r, ngx_str_t *s, SV *sv)
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19 {
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20 u_char *p;
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21 STRLEN len;
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22
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23 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
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24 sv = SvRV(sv);
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25 }
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26
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27 p = (u_char *) SvPV(sv, len);
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28
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29 s->len = len;
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30
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31 if (SvREADONLY(sv)) {
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32 s->data = p;
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33 return NGX_OK;
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34 }
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35
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36 s->data = ngx_palloc(r->pool, len);
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37 if (s->data == NULL) {
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38 return NGX_ERROR;
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39 }
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40
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41 ngx_memcpy(s->data, p, len);
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42
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43 return NGX_OK;
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44 }
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45
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46
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47 static ngx_int_t
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48 ngx_http_perl_output(ngx_http_request_t *r, ngx_buf_t *b)
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49 {
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166
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50 ngx_chain_t out;
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51 #if (NGX_HTTP_SSI)
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52 ngx_chain_t *cl;
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148
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53 ngx_http_perl_ctx_t *ctx;
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54
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55 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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56
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57 if (ctx->ssi) {
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58 cl = ngx_alloc_chain_link(r->pool);
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59 if (cl == NULL) {
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60 return NGX_ERROR;
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61 }
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62
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63 cl->buf = b;
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64 cl->next = NULL;
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65 *ctx->ssi->last_out = cl;
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66 ctx->ssi->last_out = &cl->next;
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67
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68 return NGX_OK;
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69 }
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166
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70 #endif
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148
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71
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72 out.buf = b;
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73 out.next = NULL;
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74
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75 return ngx_http_output_filter(r, &out);
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76 }
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77
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78
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79 MODULE = nginx PACKAGE = nginx
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80
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81
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82 int
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83 send_http_header(r, ...)
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84 nginx r
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85
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86 PREINIT:
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87
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88 SV *sv;
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89
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90 CODE:
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91
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92 if (r->headers_out.status == 0) {
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93 r->headers_out.status = NGX_HTTP_OK;
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94 }
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95
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96 if (items != 1) {
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97 sv = ST(1);
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98
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99 if (ngx_http_perl_sv2str(aTHX_ r, &r->headers_out.content_type, sv)
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100 != NGX_OK)
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101 {
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102 RETVAL = NGX_ERROR;
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103 goto done;
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104 }
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105
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106 } else {
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107 if (r->headers_out.content_type.len == 0) {
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108 if (ngx_http_set_content_type(r) != NGX_OK) {
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109 RETVAL = NGX_ERROR;
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110 goto done;
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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 RETVAL = ngx_http_send_header(r);
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116
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117 done:
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118
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119 OUTPUT:
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120 RETVAL
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121
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122
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123 int
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124 header_only(r)
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125 nginx r
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126
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127 CODE:
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128 RETVAL = r->header_only;
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129
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130 OUTPUT:
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131 RETVAL
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132
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133
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134 # The returning "char *" is more quickly than creating SV, because SV returned
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135 # from XS is never used as permanent storage. Even in simple case:
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136 # "$uri = $r->uri" the SV returned by $r->uri is copied to $uri's SV.
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137
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138 char *
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139 uri(r, ...)
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140 nginx r
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141
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142 CODE:
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143
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144 if (items != 1) {
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145 croak("$r->uri(text) is not implemented");
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146 }
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147
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148 RETVAL = ngx_palloc(r->pool, r->uri.len + 1);
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149 if (RETVAL == NULL) {
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150 XSRETURN_UNDEF;
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151 }
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152
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153 ngx_cpystrn((u_char *) RETVAL, r->uri.data, r->uri.len + 1);
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154
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155 OUTPUT:
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156 RETVAL
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157
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158
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159 char *
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150
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160 args(r, ...)
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148
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161 nginx r
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162
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163 CODE:
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164
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165 if (items != 1) {
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150
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166 croak("$r->args(text) is not implemented");
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148
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167 }
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168
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169 RETVAL = ngx_palloc(r->pool, r->args.len + 1);
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170 if (RETVAL == NULL) {
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171 XSRETURN_UNDEF;
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172 }
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173
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174 ngx_cpystrn((u_char *) RETVAL, r->args.data, r->args.len + 1);
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175
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176 OUTPUT:
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177 RETVAL
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178
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179
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180 char *
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181 header_in(r, key)
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182 nginx r
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183 SV *key
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184
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185 PREINIT:
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186
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187 u_char *p;
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188 STRLEN len;
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189 ngx_uint_t i;
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190 ngx_list_part_t *part;
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191 ngx_table_elt_t *header;
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192
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193 CODE:
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194
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195 if (SvROK(key) && SvTYPE(SvRV(key)) == SVt_PV) {
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196 key = SvRV(key);
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197 }
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198
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199 p = (u_char *) SvPV(key, len);
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200
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201 part = &r->headers_in.headers.part;
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202 header = part->elts;
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203
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204 for (i = 0; /* void */ ; i++) {
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205
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206 if (i >= part->nelts) {
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207 if (part->next == NULL) {
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208 break;
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209 }
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210
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211 part = part->next;
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212 header = part->elts;
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213 i = 0;
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214 }
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215
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216 if (len != header[i].key.len
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217 || ngx_strcasecmp(p, header[i].key.data) != 0)
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218 {
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219 continue;
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220 }
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221
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222 RETVAL = (char *) header[i].value.data;
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223
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224 goto done;
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225 }
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226
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227 XSRETURN_UNDEF;
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228
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229 done:
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230
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231 OUTPUT:
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232 RETVAL
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233
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234
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235 int
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236 header_out(r, key, value)
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237 nginx r
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238 SV *key
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239 SV *value
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240
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241 PREINIT:
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242
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243 ngx_table_elt_t *header;
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244
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245 CODE:
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246
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247 header = ngx_list_push(&r->headers_out.headers);
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248 if (header == NULL) {
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249 RETVAL = NGX_ERROR;
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250 goto done;
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251 }
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252
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253 header->hash = 1;
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254
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255 if (ngx_http_perl_sv2str(aTHX_ r, &header->key, key) != NGX_OK) {
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256 RETVAL = NGX_ERROR;
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257 goto done;
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258 }
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259
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260 if (ngx_http_perl_sv2str(aTHX_ r, &header->value, value) != NGX_OK) {
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261 RETVAL = NGX_ERROR;
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262 goto done;
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263 }
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264
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265 if (header->key.len == sizeof("Content-Length") - 1
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266 && ngx_strncasecmp(header->key.data, "Content-Length",
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267 sizeof("Content-Length") - 1) == 0
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268 && SvIOK(value))
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269 {
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270 r->headers_out.content_length_n = (ssize_t) SvIV(value);;
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271 r->headers_out.content_length = header;
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272 }
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273
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274 RETVAL = NGX_OK;
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275
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276 done:
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277
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278 OUTPUT:
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279 RETVAL
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280
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281
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282 char *
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283 filename(r)
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284 nginx r
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285
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286 PREINIT:
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287
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288 ngx_str_t path;
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289 ngx_http_perl_ctx_t *ctx;
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290
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291 CODE:
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292
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293 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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294 if (ctx->filename) {
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295 goto done;
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296 }
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297
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298 if (ngx_http_map_uri_to_path(r, &path, 0) == NULL) {
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299 XSRETURN_UNDEF;
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300 }
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301
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302 ctx->filename = (char *) path.data;
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303
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304 sv_setpv(PL_statname, ctx->filename);
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305
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306 done:
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307
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308 RETVAL = ctx->filename;
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309
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310 OUTPUT:
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311 RETVAL
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312
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313
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314 int
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315 print(r, ...)
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316 nginx r
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317
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318 PREINIT:
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319
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320 SV *sv;
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321 int i;
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322 u_char *p;
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323 size_t size;
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324 STRLEN len;
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325 ngx_buf_t *b;
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326
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327 CODE:
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328
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329 RETVAL = NGX_OK;
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330
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331 if (items == 2) {
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332
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333 /*
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334 * do zero copy for prolate single read-only SV:
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335 * $r->print("some text\n");
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336 */
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337
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338 sv = ST(1);
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339
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340 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
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341 sv = SvRV(sv);
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342 }
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343
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344 if (SvREADONLY(sv)) {
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345
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346 p = (u_char *) SvPV(sv, len);
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347
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348 if (len == 0) {
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349 goto done;
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350 }
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351
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352 b = ngx_calloc_buf(r->pool);
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353 if (b == NULL) {
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354 RETVAL = NGX_ERROR;
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355 goto done;
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356 }
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357
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358 b->memory = 1;
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359 b->pos = p;
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360 b->last = p + len;
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361 b->start = p;
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362 b->end = b->last;
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363
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150
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364 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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365 "$r->print: read-only SV: %z", len);
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366
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148
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367 goto out;
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368 }
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369 }
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370
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371 size = 0;
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372
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373 for (i = 1; i < items; i++) {
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374
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375 sv = ST(i);
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376
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377 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
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378 sv = SvRV(sv);
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379 }
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380
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150
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381 (void) SvPV(sv, len);
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148
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382
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150
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383 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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384 "$r->print: copy SV: %z", len);
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148
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385
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386 size += len;
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387 }
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388
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389 if (size == 0) {
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390 goto done;
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391 }
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392
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393 b = ngx_create_temp_buf(r->pool, size);
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394 if (b == NULL) {
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395 RETVAL = NGX_ERROR;
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396 goto done;
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397 }
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398
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399 for (i = 1; i < items; i++) {
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400 sv = ST(i);
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401
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402 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
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403 sv = SvRV(sv);
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404 }
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405
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406 p = (u_char *) SvPV(sv, len);
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407 b->last = ngx_cpymem(b->last, p, len);
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408 }
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409
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410 out:
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411
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412 RETVAL = ngx_http_perl_output(r, b);
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413
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414 done:
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415
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416 OUTPUT:
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417 RETVAL
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418
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419
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420 int
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162
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421 sendfile(r, filename, offset = -1, bytes = 0)
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148
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422 nginx r
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423 char *filename
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162
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424 int offset;
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425 size_t bytes;
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148
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426
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427 PREINIT:
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428
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429 ngx_fd_t fd;
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430 ngx_buf_t *b;
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431 ngx_file_info_t fi;
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432 ngx_pool_cleanup_t *cln;
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433 ngx_pool_cleanup_file_t *clnf;
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434
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435 CODE:
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436
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437 if (filename == NULL) {
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438 croak("sendfile(): NULL filename");
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439 }
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440
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441 b = ngx_calloc_buf(r->pool);
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442 if (b == NULL) {
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443 RETVAL = NGX_ERROR;
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444 goto done;
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445 }
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446
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447 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));
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448 if (b->file == NULL) {
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449 RETVAL = NGX_ERROR;
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450 goto done;
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451 }
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452
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453 cln = ngx_pool_cleanup_add(r->pool, sizeof(ngx_pool_cleanup_file_t));
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454 if (cln == NULL) {
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455 RETVAL = NGX_ERROR;
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456 goto done;
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457 }
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458
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459 fd = ngx_open_file((u_char *) filename, NGX_FILE_RDONLY, NGX_FILE_OPEN);
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460
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461 if (fd == NGX_INVALID_FILE) {
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462 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
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463 ngx_open_file_n " \"%s\" failed", filename);
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464 RETVAL = NGX_ERROR;
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465 goto done;
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466 }
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|
467
|
|
162
|
468 if (offset == -1) {
|
|
|
469 offset = 0;
|
|
|
470 }
|
|
|
471
|
|
|
472 if (bytes == 0) {
|
|
|
473 if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
|
|
|
474 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
|
|
|
475 ngx_fd_info_n " \"%s\" failed", filename);
|
|
148
|
476
|
|
162
|
477 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
478 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
|
|
|
479 ngx_close_file_n " \"%s\" failed", filename);
|
|
|
480 }
|
|
|
481
|
|
|
482 RETVAL = NGX_ERROR;
|
|
|
483 goto done;
|
|
|
484
|
|
148
|
485 }
|
|
|
486
|
|
162
|
487 bytes = ngx_file_size(&fi) - offset;
|
|
148
|
488 }
|
|
|
489
|
|
|
490 cln->handler = ngx_pool_cleanup_file;
|
|
|
491 clnf = cln->data;
|
|
|
492
|
|
|
493 clnf->fd = fd;
|
|
|
494 clnf->name = (u_char *) "";
|
|
|
495 clnf->log = r->pool->log;
|
|
|
496
|
|
|
497 b->in_file = 1;
|
|
162
|
498
|
|
|
499 b->file_pos = offset;
|
|
|
500 b->file_last = offset + bytes;
|
|
148
|
501
|
|
|
502 b->file->fd = fd;
|
|
|
503 b->file->log = r->connection->log;
|
|
|
504
|
|
|
505 RETVAL = ngx_http_perl_output(r, b);
|
|
|
506
|
|
|
507 done:
|
|
|
508
|
|
|
509 OUTPUT:
|
|
|
510 RETVAL
|
|
|
511
|
|
|
512
|
|
|
513 int
|
|
|
514 rflush(r)
|
|
|
515 nginx r
|
|
|
516
|
|
|
517 PREINIT:
|
|
|
518
|
|
|
519 ngx_buf_t *b;
|
|
|
520
|
|
|
521 CODE:
|
|
|
522
|
|
|
523 b = ngx_calloc_buf(r->pool);
|
|
|
524 if (b == NULL) {
|
|
|
525 RETVAL = NGX_ERROR;
|
|
|
526 goto done;
|
|
|
527 }
|
|
|
528
|
|
|
529 b->flush = 1;
|
|
|
530
|
|
150
|
531 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "$r->rflush");
|
|
|
532
|
|
148
|
533 RETVAL = ngx_http_perl_output(r, b);
|
|
|
534
|
|
|
535 done:
|
|
|
536
|
|
|
537 OUTPUT:
|
|
|
538 RETVAL
|
|
|
539
|
|
|
540
|
|
|
541 void
|
|
|
542 internal_redirect(r, uri)
|
|
|
543 nginx r
|
|
|
544 SV *uri
|
|
|
545
|
|
|
546 PREINIT:
|
|
|
547
|
|
|
548 ngx_uint_t i;
|
|
|
549 ngx_http_perl_ctx_t *ctx;
|
|
|
550
|
|
|
551 CODE:
|
|
|
552
|
|
|
553 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
|
|
|
554
|
|
|
555 if (ngx_http_perl_sv2str(aTHX_ r, &ctx->redirect_uri, uri) != NGX_OK) {
|
|
|
556 XSRETURN_EMPTY;
|
|
|
557 }
|
|
|
558
|
|
|
559 for (i = 0; i < ctx->redirect_uri.len; i++) {
|
|
|
560 if (ctx->redirect_uri.data[i] == '?') {
|
|
|
561
|
|
|
562 ctx->redirect_args.len = ctx->redirect_uri.len - (i + 1);
|
|
|
563 ctx->redirect_args.data = &ctx->redirect_uri.data[i + 1];
|
|
|
564 ctx->redirect_uri.len = i;
|
|
|
565
|
|
|
566 XSRETURN_EMPTY;
|
|
|
567 }
|
|
|
568 }
|
|
150
|
569
|
|
|
570
|
|
|
571 char *
|
|
|
572 unescape(r, text, type = 0)
|
|
|
573 nginx r
|
|
|
574 SV *text
|
|
|
575 int type
|
|
|
576
|
|
|
577 PREINIT:
|
|
|
578
|
|
|
579 u_char *p, *dst, *src;
|
|
|
580 STRLEN n;
|
|
|
581
|
|
|
582 CODE:
|
|
|
583
|
|
|
584 src = (u_char *) SvPV(text, n);
|
|
|
585
|
|
|
586 p = ngx_palloc(r->pool, n + 1);
|
|
|
587 if (p == NULL) {
|
|
|
588 XSRETURN_UNDEF;
|
|
|
589 }
|
|
|
590
|
|
|
591 dst = p;
|
|
|
592
|
|
|
593 ngx_unescape_uri(&dst, &src, n, (ngx_uint_t) type);
|
|
|
594 *dst = '\0';
|
|
|
595
|
|
|
596 RETVAL = (char *) p;
|
|
|
597
|
|
|
598 OUTPUT:
|
|
|
599 RETVAL
|
