1 | #include <stdio.h> |
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2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | #include <sys/types.h> |
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5 | #include <sys/stat.h> |
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6 | #include <errno.h> |
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7 | #define OWL_PERL |
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8 | #include "owl.h" |
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9 | |
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10 | extern XS(boot_BarnOwl); |
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11 | extern XS(boot_DynaLoader); |
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12 | /* extern XS(boot_DBI); */ |
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13 | |
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14 | static void owl_perl_xs_init(pTHX) |
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15 | { |
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16 | const char *file = __FILE__; |
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17 | dXSUB_SYS; |
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18 | { |
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19 | newXS("BarnOwl::bootstrap", boot_BarnOwl, file); |
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20 | newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file); |
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21 | } |
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22 | } |
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23 | |
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24 | SV *owl_perlconfig_message2hashref(const owl_message *m) |
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25 | { |
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26 | HV *h, *stash; |
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27 | SV *hr; |
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28 | const char *type; |
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29 | char *ptr, *utype, *blessas; |
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30 | int i, j; |
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31 | const owl_pair *pair; |
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32 | owl_filter *wrap; |
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33 | |
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34 | if (!m) return &PL_sv_undef; |
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35 | wrap = owl_global_get_filter(&g, "wordwrap"); |
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36 | if(!wrap) { |
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37 | owl_function_error("wrap filter is not defined"); |
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38 | return &PL_sv_undef; |
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39 | } |
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40 | |
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41 | h = newHV(); |
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42 | |
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43 | #define MSG2H(h,field) (void)hv_store(h, #field, strlen(#field), \ |
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44 | newSVpv(owl_message_get_##field(m),0), 0) |
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45 | |
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46 | if (owl_message_is_type_zephyr(m) |
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47 | && owl_message_is_direction_in(m)) { |
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48 | /* Handle zephyr-specific fields... */ |
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49 | AV *av_zfields; |
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50 | |
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51 | av_zfields = newAV(); |
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52 | j=owl_zephyr_get_num_fields(owl_message_get_notice(m)); |
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53 | for (i=0; i<j; i++) { |
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54 | ptr=owl_zephyr_get_field_as_utf8(owl_message_get_notice(m), i+1); |
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55 | av_push(av_zfields, newSVpvn(ptr, strlen(ptr))); |
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56 | owl_free(ptr); |
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57 | } |
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58 | (void)hv_store(h, "fields", strlen("fields"), newRV_noinc((SV*)av_zfields), 0); |
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59 | |
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60 | (void)hv_store(h, "auth", strlen("auth"), |
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61 | newSVpv(owl_zephyr_get_authstr(owl_message_get_notice(m)),0),0); |
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62 | } |
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63 | |
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64 | j=owl_list_get_size(&(m->attributes)); |
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65 | for(i=0; i<j; i++) { |
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66 | pair=owl_list_get_element(&(m->attributes), i); |
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67 | (void)hv_store(h, owl_pair_get_key(pair), strlen(owl_pair_get_key(pair)), |
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68 | newSVpv(owl_pair_get_value(pair),0),0); |
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69 | } |
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70 | |
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71 | MSG2H(h, type); |
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72 | MSG2H(h, direction); |
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73 | MSG2H(h, class); |
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74 | MSG2H(h, instance); |
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75 | MSG2H(h, sender); |
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76 | MSG2H(h, realm); |
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77 | MSG2H(h, recipient); |
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78 | MSG2H(h, opcode); |
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79 | MSG2H(h, hostname); |
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80 | MSG2H(h, body); |
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81 | MSG2H(h, login); |
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82 | MSG2H(h, zsig); |
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83 | MSG2H(h, zwriteline); |
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84 | if (owl_message_get_header(m)) { |
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85 | MSG2H(h, header); |
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86 | } |
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87 | (void)hv_store(h, "time", strlen("time"), newSVpv(owl_message_get_timestr(m),0),0); |
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88 | (void)hv_store(h, "unix_time", strlen("unix_time"), newSViv(m->time), 0); |
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89 | (void)hv_store(h, "id", strlen("id"), newSViv(owl_message_get_id(m)),0); |
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90 | (void)hv_store(h, "deleted", strlen("deleted"), newSViv(owl_message_is_delete(m)),0); |
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91 | (void)hv_store(h, "private", strlen("private"), newSViv(owl_message_is_private(m)),0); |
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92 | (void)hv_store(h, "should_wordwrap", |
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93 | strlen("should_wordwrap"), newSViv( |
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94 | owl_filter_message_match(wrap, m)),0); |
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95 | |
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96 | type = owl_message_get_type(m); |
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97 | if(!type || !*type) type = "generic"; |
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98 | utype = owl_strdup(type); |
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99 | utype[0] = toupper(type[0]); |
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100 | blessas = owl_sprintf("BarnOwl::Message::%s", utype); |
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101 | |
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102 | hr = newRV_noinc((SV*)h); |
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103 | stash = gv_stashpv(blessas,0); |
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104 | if(!stash) { |
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105 | owl_function_error("No such class: %s for message type %s", blessas, owl_message_get_type(m)); |
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106 | stash = gv_stashpv("BarnOwl::Message", 1); |
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107 | } |
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108 | hr = sv_bless(hr,stash); |
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109 | owl_free(utype); |
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110 | owl_free(blessas); |
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111 | return hr; |
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112 | } |
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113 | |
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114 | SV *owl_perlconfig_curmessage2hashref(void) /*noproto*/ |
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115 | { |
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116 | int curmsg; |
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117 | owl_view *v; |
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118 | v=owl_global_get_current_view(&g); |
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119 | if (owl_view_get_size(v) < 1) { |
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120 | return &PL_sv_undef; |
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121 | } |
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122 | curmsg=owl_global_get_curmsg(&g); |
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123 | return owl_perlconfig_message2hashref(owl_view_get_element(v, curmsg)); |
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124 | } |
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125 | |
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126 | /* XXX TODO: Messages should round-trip properly between |
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127 | message2hashref and hashref2message. Currently we lose |
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128 | zephyr-specific properties stored in the ZNotice_t |
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129 | |
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130 | This has been somewhat addressed, but is still not lossless. |
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131 | */ |
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132 | owl_message * owl_perlconfig_hashref2message(SV *msg) |
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133 | { |
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134 | owl_message * m; |
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135 | HE * ent; |
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136 | I32 count, len; |
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137 | const char *key,*val; |
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138 | HV * hash; |
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139 | struct tm tm; |
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140 | |
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141 | hash = (HV*)SvRV(msg); |
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142 | |
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143 | m = owl_malloc(sizeof(owl_message)); |
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144 | owl_message_init(m); |
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145 | |
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146 | count = hv_iterinit(hash); |
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147 | while((ent = hv_iternext(hash))) { |
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148 | key = hv_iterkey(ent, &len); |
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149 | val = SvPV_nolen(hv_iterval(hash, ent)); |
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150 | if(!strcmp(key, "type")) { |
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151 | owl_message_set_type(m, val); |
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152 | } else if(!strcmp(key, "direction")) { |
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153 | owl_message_set_direction(m, owl_message_parse_direction(val)); |
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154 | } else if(!strcmp(key, "private")) { |
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155 | SV * v = hv_iterval(hash, ent); |
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156 | if(SvTRUE(v)) { |
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157 | owl_message_set_isprivate(m); |
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158 | } |
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159 | } else if (!strcmp(key, "hostname")) { |
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160 | owl_message_set_hostname(m, val); |
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161 | } else if (!strcmp(key, "zwriteline")) { |
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162 | owl_message_set_zwriteline(m, val); |
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163 | } else if (!strcmp(key, "time")) { |
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164 | m->timestr = owl_strdup(val); |
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165 | strptime(val, "%a %b %d %T %Y", &tm); |
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166 | m->time = mktime(&tm); |
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167 | } else { |
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168 | owl_message_set_attribute(m, key, val); |
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169 | } |
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170 | } |
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171 | if(owl_message_is_type_admin(m)) { |
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172 | if(!owl_message_get_attribute_value(m, "adminheader")) |
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173 | owl_message_set_attribute(m, "adminheader", ""); |
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174 | } |
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175 | #ifdef HAVE_LIBZEPHYR |
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176 | if (owl_message_is_type_zephyr(m)) { |
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177 | ZNotice_t *n = &(m->notice); |
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178 | n->z_kind = ACKED; |
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179 | n->z_port = 0; |
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180 | n->z_auth = ZAUTH_NO; |
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181 | n->z_checked_auth = 0; |
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182 | n->z_class = zstr(owl_message_get_class(m)); |
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183 | n->z_class_inst = zstr(owl_message_get_instance(m)); |
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184 | n->z_opcode = zstr(owl_message_get_opcode(m)); |
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185 | n->z_sender = zstr(owl_message_get_sender(m)); |
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186 | n->z_recipient = zstr(owl_message_get_recipient(m)); |
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187 | n->z_default_format = zstr("[zephyr created from perl]"); |
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188 | n->z_multinotice = zstr("[zephyr created from perl]"); |
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189 | n->z_num_other_fields = 0; |
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190 | n->z_message = owl_sprintf("%s%c%s", owl_message_get_zsig(m), '\0', owl_message_get_body(m)); |
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191 | n->z_message_len = strlen(owl_message_get_zsig(m)) + strlen(owl_message_get_body(m)) + 1; |
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192 | } |
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193 | #endif |
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194 | return m; |
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195 | } |
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196 | |
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197 | /* Calls in a scalar context, passing it a hash reference. |
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198 | If return value is non-null, caller must free. */ |
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199 | char *owl_perlconfig_call_with_message(const char *subname, const owl_message *m) |
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200 | { |
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201 | dSP ; |
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202 | int count; |
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203 | SV *msgref, *srv; |
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204 | char *out; |
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205 | |
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206 | ENTER ; |
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207 | SAVETMPS; |
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208 | |
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209 | PUSHMARK(SP) ; |
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210 | msgref = owl_perlconfig_message2hashref(m); |
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211 | XPUSHs(sv_2mortal(msgref)); |
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212 | PUTBACK ; |
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213 | |
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214 | count = call_pv(subname, G_SCALAR|G_EVAL|G_KEEPERR); |
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215 | |
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216 | SPAGAIN ; |
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217 | |
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218 | if (SvTRUE(ERRSV)) { |
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219 | owl_function_error("Perl Error: '%s'", SvPV_nolen(ERRSV)); |
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220 | /* and clear the error */ |
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221 | sv_setsv (ERRSV, &PL_sv_undef); |
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222 | } |
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223 | |
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224 | if (count != 1) { |
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225 | fprintf(stderr, "bad perl! no biscuit! returned wrong count!\n"); |
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226 | abort(); |
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227 | } |
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228 | |
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229 | srv = POPs; |
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230 | |
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231 | if (srv) { |
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232 | out = owl_strdup(SvPV_nolen(srv)); |
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233 | } else { |
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234 | out = NULL; |
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235 | } |
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236 | |
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237 | PUTBACK ; |
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238 | FREETMPS ; |
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239 | LEAVE ; |
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240 | |
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241 | return out; |
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242 | } |
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243 | |
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244 | |
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245 | /* Calls a method on a perl object representing a message. |
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246 | If the return value is non-null, the caller must free it. |
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247 | */ |
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248 | char * owl_perlconfig_message_call_method(const owl_message *m, const char *method, int argc, const char ** argv) |
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249 | { |
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250 | dSP; |
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251 | unsigned int count, i; |
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252 | SV *msgref, *srv; |
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253 | char *out; |
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254 | |
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255 | msgref = owl_perlconfig_message2hashref(m); |
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256 | |
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257 | ENTER; |
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258 | SAVETMPS; |
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259 | |
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260 | PUSHMARK(SP); |
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261 | XPUSHs(sv_2mortal(msgref)); |
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262 | for(i=0;i<argc;i++) { |
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263 | XPUSHs(sv_2mortal(newSVpv(argv[i], 0))); |
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264 | } |
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265 | PUTBACK; |
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266 | |
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267 | count = call_method(method, G_SCALAR|G_KEEPERR|G_EVAL); |
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268 | |
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269 | SPAGAIN; |
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270 | |
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271 | if(count != 1) { |
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272 | fprintf(stderr, "perl returned wrong count %d\n", count); |
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273 | abort(); |
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274 | } |
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275 | |
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276 | if (SvTRUE(ERRSV)) { |
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277 | owl_function_error("Error: '%s'", SvPV_nolen(ERRSV)); |
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278 | /* and clear the error */ |
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279 | sv_setsv (ERRSV, &PL_sv_undef); |
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280 | } |
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281 | |
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282 | srv = POPs; |
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283 | |
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284 | if (srv) { |
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285 | out = owl_strdup(SvPV_nolen(srv)); |
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286 | } else { |
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287 | out = NULL; |
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288 | } |
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289 | |
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290 | PUTBACK; |
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291 | FREETMPS; |
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292 | LEAVE; |
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293 | |
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294 | return out; |
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295 | } |
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296 | |
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297 | |
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298 | char *owl_perlconfig_initperl(const char * file, int *Pargc, char ***Pargv, char *** Penv) |
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299 | { |
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300 | int ret; |
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301 | PerlInterpreter *p; |
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302 | char *err; |
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303 | const char *args[4] = {"", "-e", "0;", NULL}; |
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304 | AV *inc; |
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305 | char *path; |
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306 | |
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307 | /* create and initialize interpreter */ |
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308 | PERL_SYS_INIT3(Pargc, Pargv, Penv); |
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309 | p=perl_alloc(); |
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310 | owl_global_set_perlinterp(&g, p); |
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311 | perl_construct(p); |
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312 | |
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313 | owl_global_set_no_have_config(&g); |
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314 | |
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315 | ret=perl_parse(p, owl_perl_xs_init, 2, (char **)args, NULL); |
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316 | if (ret || SvTRUE(ERRSV)) { |
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317 | err=owl_strdup(SvPV_nolen(ERRSV)); |
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318 | sv_setsv(ERRSV, &PL_sv_undef); /* and clear the error */ |
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319 | return(err); |
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320 | } |
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321 | |
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322 | ret=perl_run(p); |
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323 | if (ret || SvTRUE(ERRSV)) { |
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324 | err=owl_strdup(SvPV_nolen(ERRSV)); |
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325 | sv_setsv(ERRSV, &PL_sv_undef); /* and clear the error */ |
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326 | return(err); |
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327 | } |
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328 | |
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329 | owl_global_set_have_config(&g); |
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330 | |
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331 | /* create legacy variables */ |
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332 | get_sv("BarnOwl::id", TRUE); |
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333 | get_sv("BarnOwl::class", TRUE); |
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334 | get_sv("BarnOwl::instance", TRUE); |
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335 | get_sv("BarnOwl::recipient", TRUE); |
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336 | get_sv("BarnOwl::sender", TRUE); |
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337 | get_sv("BarnOwl::realm", TRUE); |
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338 | get_sv("BarnOwl::opcode", TRUE); |
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339 | get_sv("BarnOwl::zsig", TRUE); |
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340 | get_sv("BarnOwl::msg", TRUE); |
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341 | get_sv("BarnOwl::time", TRUE); |
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342 | get_sv("BarnOwl::host", TRUE); |
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343 | get_av("BarnOwl::fields", TRUE); |
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344 | |
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345 | if(file) { |
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346 | SV * cfg = get_sv("BarnOwl::configfile", TRUE); |
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347 | sv_setpv(cfg, file); |
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348 | } |
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349 | |
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350 | /* Add the system lib path to @INC */ |
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351 | inc = get_av("INC", 0); |
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352 | path = owl_sprintf("%s/lib", owl_get_datadir()); |
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353 | av_unshift(inc, 1); |
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354 | av_store(inc, 0, newSVpv(path, 0)); |
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355 | owl_free(path); |
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356 | |
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357 | eval_pv("use BarnOwl;", FALSE); |
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358 | |
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359 | if (SvTRUE(ERRSV)) { |
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360 | err=owl_strdup(SvPV_nolen(ERRSV)); |
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361 | sv_setsv (ERRSV, &PL_sv_undef); /* and clear the error */ |
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362 | return(err); |
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363 | } |
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364 | |
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365 | /* check if we have the formatting function */ |
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366 | if (owl_perlconfig_is_function("BarnOwl::format_msg")) { |
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367 | owl_global_set_config_format(&g, 1); |
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368 | } |
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369 | |
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370 | return(NULL); |
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371 | } |
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372 | |
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373 | /* returns whether or not a function exists */ |
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374 | int owl_perlconfig_is_function(const char *fn) { |
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375 | if (get_cv(fn, FALSE)) return(1); |
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376 | else return(0); |
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377 | } |
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378 | |
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379 | /* caller is responsible for freeing returned string */ |
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380 | char *owl_perlconfig_execute(const char *line) |
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381 | { |
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382 | STRLEN len; |
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383 | SV *response; |
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384 | const char *preout; |
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385 | char *out; |
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386 | |
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387 | if (!owl_global_have_config(&g)) return NULL; |
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388 | |
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389 | ENTER; |
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390 | SAVETMPS; |
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391 | /* execute the subroutine */ |
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392 | response = eval_pv(line, FALSE); |
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393 | |
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394 | if (SvTRUE(ERRSV)) { |
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395 | owl_function_error("Perl Error: '%s'", SvPV_nolen(ERRSV)); |
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396 | sv_setsv (ERRSV, &PL_sv_undef); /* and clear the error */ |
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397 | } |
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398 | |
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399 | preout=SvPV(response, len); |
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400 | if (len == 0 || preout[len - 1] != '\n') |
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401 | out = owl_sprintf("%s\n", preout); |
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402 | else |
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403 | out = owl_strdup(preout); |
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404 | FREETMPS; |
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405 | LEAVE; |
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406 | |
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407 | return(out); |
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408 | } |
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409 | |
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410 | void owl_perlconfig_getmsg(const owl_message *m, const char *subname) |
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411 | { |
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412 | char *ptr = NULL; |
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413 | if (owl_perlconfig_is_function("BarnOwl::Hooks::_receive_msg")) { |
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414 | ptr = owl_perlconfig_call_with_message(subname?subname |
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415 | :"BarnOwl::_receive_msg_legacy_wrap", m); |
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416 | } |
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417 | if (ptr) owl_free(ptr); |
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418 | } |
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419 | |
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420 | /* Called on all new messages; receivemsg is only called on incoming ones */ |
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421 | void owl_perlconfig_newmsg(const owl_message *m, const char *subname) |
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422 | { |
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423 | char *ptr = NULL; |
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424 | if (owl_perlconfig_is_function("BarnOwl::Hooks::_new_msg")) { |
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425 | ptr = owl_perlconfig_call_with_message(subname?subname |
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426 | :"BarnOwl::Hooks::_new_msg", m); |
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427 | } |
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428 | if (ptr) owl_free(ptr); |
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429 | } |
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430 | |
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431 | void owl_perlconfig_new_command(const char *name) |
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432 | { |
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433 | dSP; |
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434 | |
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435 | ENTER; |
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436 | SAVETMPS; |
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437 | |
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438 | PUSHMARK(SP); |
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439 | XPUSHs(sv_2mortal(newSVpv(name, 0))); |
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440 | PUTBACK; |
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441 | |
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442 | call_pv("BarnOwl::Hooks::_new_command", G_SCALAR|G_VOID); |
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443 | |
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444 | SPAGAIN; |
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445 | |
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446 | if(SvTRUE(ERRSV)) { |
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447 | owl_function_error("%s", SvPV_nolen(ERRSV)); |
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448 | } |
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449 | |
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450 | FREETMPS; |
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451 | LEAVE; |
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452 | } |
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453 | |
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454 | char *owl_perlconfig_perlcmd(const owl_cmd *cmd, int argc, const char *const *argv) |
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455 | { |
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456 | int i, count; |
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457 | char * ret = NULL; |
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458 | SV *rv; |
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459 | dSP; |
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460 | |
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461 | ENTER; |
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462 | SAVETMPS; |
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463 | |
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464 | PUSHMARK(SP); |
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465 | for(i=0;i<argc;i++) { |
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466 | SV *tmp = newSVpv(argv[i], 0); |
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467 | SvUTF8_on(tmp); |
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468 | XPUSHs(sv_2mortal(tmp)); |
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469 | } |
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470 | PUTBACK; |
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471 | |
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472 | count = call_sv(cmd->cmd_perl, G_SCALAR|G_EVAL); |
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473 | |
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474 | SPAGAIN; |
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475 | |
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476 | if(SvTRUE(ERRSV)) { |
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477 | owl_function_error("%s", SvPV_nolen(ERRSV)); |
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478 | (void)POPs; |
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479 | } else { |
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480 | if(count != 1) |
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481 | croak("Perl command %s returned more than one value!", cmd->name); |
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482 | rv = POPs; |
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483 | if(SvTRUE(rv)) { |
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484 | ret = owl_strdup(SvPV_nolen(rv)); |
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485 | } |
---|
486 | } |
---|
487 | |
---|
488 | FREETMPS; |
---|
489 | LEAVE; |
---|
490 | |
---|
491 | return ret; |
---|
492 | } |
---|
493 | |
---|
494 | void owl_perlconfig_cmd_free(owl_cmd *cmd) |
---|
495 | { |
---|
496 | SvREFCNT_dec(cmd->cmd_perl); |
---|
497 | } |
---|
498 | |
---|
499 | void owl_perlconfig_dispatch_free(owl_dispatch *d) |
---|
500 | { |
---|
501 | SvREFCNT_dec(d->data); |
---|
502 | owl_free(d); |
---|
503 | } |
---|
504 | |
---|
505 | void owl_perlconfig_edit_callback(owl_editwin *e) |
---|
506 | { |
---|
507 | SV *cb = owl_editwin_get_cbdata(e); |
---|
508 | SV *text; |
---|
509 | dSP; |
---|
510 | |
---|
511 | if(cb == NULL) { |
---|
512 | owl_function_error("Perl callback is NULL!"); |
---|
513 | } |
---|
514 | text = newSVpv(owl_editwin_get_text(e), 0); |
---|
515 | SvUTF8_on(text); |
---|
516 | |
---|
517 | ENTER; |
---|
518 | SAVETMPS; |
---|
519 | |
---|
520 | PUSHMARK(SP); |
---|
521 | XPUSHs(sv_2mortal(text)); |
---|
522 | PUTBACK; |
---|
523 | |
---|
524 | call_sv(cb, G_DISCARD|G_KEEPERR|G_EVAL); |
---|
525 | |
---|
526 | if(SvTRUE(ERRSV)) { |
---|
527 | owl_function_error("%s", SvPV_nolen(ERRSV)); |
---|
528 | } |
---|
529 | |
---|
530 | FREETMPS; |
---|
531 | LEAVE; |
---|
532 | |
---|
533 | SvREFCNT_dec(cb); |
---|
534 | owl_editwin_set_cbdata(e, NULL); |
---|
535 | } |
---|
536 | |
---|
537 | void owl_perlconfig_mainloop() |
---|
538 | { |
---|
539 | dSP; |
---|
540 | if (!owl_perlconfig_is_function("BarnOwl::Hooks::_mainloop_hook")) |
---|
541 | return; |
---|
542 | PUSHMARK(SP) ; |
---|
543 | call_pv("BarnOwl::Hooks::_mainloop_hook", G_DISCARD|G_EVAL); |
---|
544 | if(SvTRUE(ERRSV)) { |
---|
545 | owl_function_error("%s", SvPV_nolen(ERRSV)); |
---|
546 | } |
---|
547 | return; |
---|
548 | } |
---|
549 | |
---|
550 | void owl_perlconfig_dispatch(owl_dispatch *d) |
---|
551 | { |
---|
552 | SV *cb = d->data; |
---|
553 | dSP; |
---|
554 | if(cb == NULL) { |
---|
555 | owl_function_error("Perl callback is NULL!"); |
---|
556 | return; |
---|
557 | } |
---|
558 | |
---|
559 | ENTER; |
---|
560 | SAVETMPS; |
---|
561 | |
---|
562 | PUSHMARK(SP); |
---|
563 | PUTBACK; |
---|
564 | |
---|
565 | call_sv(cb, G_DISCARD|G_KEEPERR|G_EVAL); |
---|
566 | |
---|
567 | if(SvTRUE(ERRSV)) { |
---|
568 | owl_function_error("%s", SvPV_nolen(ERRSV)); |
---|
569 | } |
---|
570 | |
---|
571 | FREETMPS; |
---|
572 | LEAVE; |
---|
573 | } |
---|
574 | |
---|
575 | void owl_perlconfig_perl_timer(owl_timer *t, void *data) |
---|
576 | { |
---|
577 | SV *obj = data; |
---|
578 | |
---|
579 | if(!SvROK(obj)) { |
---|
580 | return; |
---|
581 | } |
---|
582 | |
---|
583 | dSP; |
---|
584 | ENTER; |
---|
585 | SAVETMPS; |
---|
586 | |
---|
587 | PUSHMARK(SP); |
---|
588 | XPUSHs(obj); |
---|
589 | PUTBACK; |
---|
590 | |
---|
591 | call_method("do_callback", G_DISCARD|G_KEEPERR|G_EVAL); |
---|
592 | |
---|
593 | SPAGAIN; |
---|
594 | |
---|
595 | if (SvTRUE(ERRSV)) { |
---|
596 | owl_function_error("Error in calback: '%s'", SvPV_nolen(ERRSV)); |
---|
597 | sv_setsv (ERRSV, &PL_sv_undef); |
---|
598 | } |
---|
599 | |
---|
600 | PUTBACK; |
---|
601 | FREETMPS; |
---|
602 | LEAVE; |
---|
603 | } |
---|
604 | |
---|
605 | void owl_perlconfig_perl_timer_destroy(owl_timer *t) |
---|
606 | { |
---|
607 | if(SvOK((SV*)t->data)) { |
---|
608 | SvREFCNT_dec((SV*)t->data); |
---|
609 | } |
---|
610 | } |
---|