1 | #include <stdio.h> |
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2 | #include <stdlib.h> |
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3 | #include <unistd.h> |
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4 | #include <string.h> |
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5 | #include <ctype.h> |
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6 | /* #include <malloc.h> */ |
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7 | #include <client_privat.h> |
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8 | #include <client.h> |
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9 | #include <arbdb.h> |
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10 | #include <servercntrl.h> |
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11 | |
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12 | /* |
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13 | * The following lines go to servercntrl.h |
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14 | * edit here, not there!! |
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15 | * call 'make proto' to update |
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16 | */ |
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17 | |
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18 | /* AISC_MKPT_PROMOTE:struct arb_params {*/ |
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19 | /* AISC_MKPT_PROMOTE: char *species_name;*/ |
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20 | /* AISC_MKPT_PROMOTE: char *extended_name;*/ |
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21 | /* AISC_MKPT_PROMOTE: char *alignment;*/ |
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22 | /* AISC_MKPT_PROMOTE: char *default_file;*/ |
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23 | /* AISC_MKPT_PROMOTE: char *field;*/ |
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24 | /* AISC_MKPT_PROMOTE:*/ |
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25 | /* AISC_MKPT_PROMOTE: int read_only;*/ |
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26 | /* AISC_MKPT_PROMOTE:*/ |
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27 | /* AISC_MKPT_PROMOTE: char *job_server;*/ |
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28 | /* AISC_MKPT_PROMOTE: char *db_server;*/ |
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29 | /* AISC_MKPT_PROMOTE: char *mgr_server;*/ |
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30 | /* AISC_MKPT_PROMOTE: char *pt_server;*/ |
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31 | /* AISC_MKPT_PROMOTE:*/ |
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32 | /* AISC_MKPT_PROMOTE: char *tcp;*/ |
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33 | /* AISC_MKPT_PROMOTE:};*/ |
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34 | |
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35 | #define TRIES 1 |
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36 | |
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37 | struct gl_struct { |
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38 | aisc_com *link; |
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39 | long locs; |
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40 | long com; |
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41 | } glservercntrl; |
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42 | |
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43 | |
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44 | char *prefixSSH(const char *host, const char *command, int async) { |
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45 | /* 'host' is a hostname or 'hostname:port' (where hostname may be an IP) |
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46 | 'command' is the command to be executed |
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47 | if 'async' is 1 -> append '&' |
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48 | |
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49 | returns a SSH system call for foreign host or |
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50 | a direct system call for the local machine |
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51 | */ |
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52 | |
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53 | char *result = 0; |
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54 | char asyncChar = "&"[!async]; |
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55 | |
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56 | if (host && host[0]) { |
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57 | const char *hostPort = strchr(host, ':'); |
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58 | char *hostOnly = GB_strpartdup(host, hostPort ? hostPort-1 : 0); |
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59 | |
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60 | if (!GB_host_is_local(hostOnly)) { |
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61 | result = GBS_global_string_copy("ssh %s -n '%s' %c", hostOnly, command, asyncChar); |
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62 | } |
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63 | free(hostOnly); |
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64 | } |
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65 | |
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66 | if (!result) { |
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67 | result = GBS_global_string_copy("(%s) %c", command, asyncChar); |
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68 | } |
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69 | |
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70 | return result; |
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71 | } |
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72 | |
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73 | GB_ERROR arb_start_server(const char *arb_tcp_env, GBDATA *gbmain, int do_sleep) |
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74 | { |
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75 | const char *tcp_id; |
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76 | GB_ERROR error = 0; |
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77 | |
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78 | if (!(tcp_id = GBS_read_arb_tcp(arb_tcp_env))) { |
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79 | error = GB_export_error("Entry '%s' in $(ARBHOME)/lib/arb_tcp.dat not found", arb_tcp_env); |
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80 | } |
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81 | else { |
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82 | const char *server = strchr(tcp_id, 0) + 1; |
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83 | char *serverparams = 0; |
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84 | |
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85 | /* concatenate all params behind server |
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86 | Note : changed behavior on 2007/Mar/09 -- ralf |
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87 | serverparams now is one space if nothing defined in arb_tcp.dat |
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88 | (previously was same as 'server' - most likely a bug) |
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89 | */ |
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90 | { |
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91 | const char *param = strchr(server, 0)+1; |
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92 | size_t plen = strlen(param); |
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93 | size_t alllen = 0; |
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94 | |
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95 | while (plen) { |
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96 | param += plen+1; |
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97 | alllen += plen+1; |
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98 | plen = strlen(param); |
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99 | } |
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100 | |
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101 | serverparams = (char*)malloc(alllen+1); |
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102 | { |
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103 | char *sp = serverparams; |
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104 | |
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105 | param = strchr(server, 0)+1; |
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106 | plen = strlen(param); |
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107 | if (!plen) sp++; |
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108 | else do { |
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109 | memcpy(sp, param, plen); |
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110 | sp[plen] = ' '; |
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111 | sp += plen+1; |
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112 | param += plen+1; |
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113 | plen = strlen(param); |
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114 | } while (plen); |
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115 | sp[-1] = 0; |
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116 | } |
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117 | } |
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118 | |
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119 | { |
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120 | char *command = 0; |
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121 | int delay = 5; |
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122 | |
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123 | if (*tcp_id == ':') { /* local mode */ |
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124 | command = GBS_global_string_copy("%s %s -T%s &",server, serverparams, tcp_id); |
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125 | } |
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126 | else { |
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127 | const char *port = strchr(tcp_id, ':'); |
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128 | |
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129 | if (!port) { |
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130 | error = GB_export_error("Error: Missing ':' in line '%s' file $(ARBHOME)/lib/arb_tcp.dat", arb_tcp_env); |
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131 | } |
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132 | else { |
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133 | char *remoteCommand = GBS_global_string_copy("$ARBHOME/bin/%s %s -T%s", server, serverparams, port); |
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134 | |
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135 | command = prefixSSH(tcp_id, remoteCommand, 1); |
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136 | free(remoteCommand); |
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137 | } |
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138 | } |
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139 | |
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140 | if (!error) { |
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141 | #if defined(DEBUG) |
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142 | printf("Starting server (cmd='%s')\n", command); |
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143 | #endif /* DEBUG */ |
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144 | if (!gbmain || GBCMC_system(gbmain,command)) system(command); |
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145 | if (do_sleep) sleep(delay); |
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146 | } |
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147 | free(command); |
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148 | } |
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149 | free(serverparams); |
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150 | } |
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151 | return error; |
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152 | } |
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153 | |
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154 | static GB_ERROR arb_wait_for_server(const char *arb_tcp_env, GBDATA *gbmain, const char *tcp_id, int magic_number, struct gl_struct *serverctrl, int wait) { |
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155 | serverctrl->link = aisc_open(tcp_id, &(serverctrl->com), magic_number); |
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156 | if (!serverctrl->link) { // no server running -> start one |
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157 | GB_ERROR error = arb_start_server(arb_tcp_env, gbmain, 0); |
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158 | if (error) return error; |
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159 | |
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160 | while (!serverctrl->link && wait) { |
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161 | sleep(1); |
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162 | wait--; |
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163 | if ((wait%10) == 0 && wait>0) { |
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164 | printf("Waiting for server '%s' to come up (%i seconds left)\n", arb_tcp_env, wait); |
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165 | } |
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166 | serverctrl->link = aisc_open(tcp_id, &(serverctrl->com), magic_number); |
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167 | } |
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168 | } |
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169 | |
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170 | return 0; |
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171 | } |
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172 | |
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173 | GB_ERROR arb_look_and_start_server(long magic_number, const char *arb_tcp_env, GBDATA *gbmain) { |
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174 | GB_ERROR error = 0; |
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175 | const char *tcp_id = GBS_read_arb_tcp(arb_tcp_env); |
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176 | const char *arb_tcp_dat = "$(ARBHOME)/lib/arb_tcp.dat"; |
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177 | |
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178 | if (!tcp_id) { |
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179 | error = GBS_global_string("Entry '%s' not found in %s", arb_tcp_env, arb_tcp_dat); |
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180 | } |
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181 | else { |
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182 | const char *file = GBS_scan_arb_tcp_param(tcp_id, "-d"); // find parameter behind '-d' |
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183 | |
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184 | if (!file) { |
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185 | error = GBS_global_string("Parameter -d missing for entry '%s' in %s", arb_tcp_env, arb_tcp_dat); |
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186 | } |
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187 | else { |
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188 | if (strcmp(file, "!ASSUME_RUNNING") == 0) { |
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189 | // assume pt-server is running on a host, w/o access to common network drive |
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190 | // i.e. we cannot check for the existance of the database file |
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191 | } |
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192 | else if (GB_size_of_file(file) <= 0) { |
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193 | if (strncmp(arb_tcp_env, "ARB_NAME_SERVER", 15) == 0) { |
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194 | char *dir = strdup(file); |
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195 | char *lastSlash = strrchr(dir, '/'); |
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196 | |
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197 | if (lastSlash) { |
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198 | lastSlash[0] = 0; // cut off file |
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199 | { |
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200 | const char *copy_cmd = GBS_global_string("cp %s/names.dat.template %s", dir, file); |
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201 | system(copy_cmd); |
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202 | } |
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203 | if (GB_size_of_file(file) <= 0) { |
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204 | error = GBS_global_string("Cannot copy nameserver template (%s/names.dat.template missing?)", dir); |
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205 | } |
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206 | } |
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207 | else { |
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208 | error = GBS_global_string("Can't determine directory from '%s'", dir); |
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209 | } |
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210 | free(dir); |
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211 | } |
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212 | else if (strncmp(arb_tcp_env, "ARB_PT_SERVER", 13) == 0) { |
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213 | const char *nameOnly = strrchr(file, '/'); |
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214 | if (!nameOnly) nameOnly = file; |
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215 | |
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216 | error = GBS_global_string("PT_server '%s' has not been created yet.\n" |
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217 | " To create it follow these steps:\n" |
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218 | " 1. Start ARB on the whole database you want to use for probe match/design\n" |
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219 | " 2. Go to ARB_NTREE/Probes/PT_SERVER Admin\n" |
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220 | " 3. Select '%s' and press BUILD SERVER\n" |
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221 | " 4. Wait (up to hours, depending on your DB size)\n" |
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222 | " 5. Meanwhile read the help file: PT_SERVER: What Why and How", |
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223 | file, nameOnly); |
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224 | } |
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225 | else { |
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226 | error = GBS_global_string("The file '%s' is missing. \nUnable to start %s", file, arb_tcp_env); |
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227 | } |
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228 | } |
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229 | } |
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230 | |
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231 | if (!error) { |
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232 | error = arb_wait_for_server(arb_tcp_env, gbmain, tcp_id, magic_number, &glservercntrl, 20); |
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233 | |
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234 | if (!error) { |
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235 | if (!glservercntrl.link) { // couldn't start server |
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236 | error = |
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237 | "I got some problems to start your server:\n" |
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238 | " Possible Reasons may be one or more of the following list:\n" |
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239 | " - there is no database in $ARBHOME/lib/pts/*\n" |
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240 | " update server <ARB_NTREE/Probes/PT_SERVER Admin/BUILD SERVER>\n" |
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241 | " - you are not allowed to run 'ssh host pt_server ....&'\n" |
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242 | " check file '/etc/hosts.equiv' (read man pages for help)\n" |
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243 | " - the permissions of $ARBHOME/lib/pts/* do not allow read access\n" |
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244 | " - the PT_SERVER host is not up\n" |
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245 | " - the tcp_id is already used by another program\n" |
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246 | " check $ARBHOME/lib/arb_tcp.dat and /etc/services\n"; |
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247 | } |
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248 | else { |
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249 | aisc_close(glservercntrl.link); |
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250 | glservercntrl.link = 0; |
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251 | } |
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252 | } |
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253 | } |
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254 | } |
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255 | |
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256 | return error; |
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257 | } |
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258 | |
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259 | GB_ERROR arb_look_and_kill_server(int magic_number, const char *arb_tcp_env) |
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260 | { |
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261 | const char *tcp_id; |
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262 | GB_ERROR error = 0; |
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263 | |
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264 | if (!(tcp_id = GBS_read_arb_tcp(arb_tcp_env))) { |
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265 | error = GB_export_error("Missing line '%s' in $(ARBHOME)/lib/arb_tcp.dat:",arb_tcp_env); |
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266 | } |
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267 | else { |
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268 | const char *server = strchr(tcp_id, 0)+1; |
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269 | |
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270 | glservercntrl.link = (aisc_com *) aisc_open(tcp_id, &glservercntrl.com, magic_number); |
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271 | if (glservercntrl.link) { |
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272 | const char *command = GBS_global_string("%s -kill -T%s &", server, tcp_id); |
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273 | /* sprintf(command, "%s -kill -T%s &", server, tcp_id); */ |
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274 | if (system(command)) { |
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275 | error = GB_export_error("Cannot execute '%s'",command); |
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276 | } |
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277 | aisc_close(glservercntrl.link); |
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278 | glservercntrl.link = 0; |
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279 | } |
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280 | else { |
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281 | error= GB_export_error("I cannot kill your server because I cannot find it"); |
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282 | } |
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283 | } |
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284 | return error; |
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285 | } |
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286 | |
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287 | void arb_print_server_params() { |
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288 | printf("General server parameters (some maybe unused by this server):\n" |
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289 | " -s<name> sets species name to '<name>'\n" |
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290 | " -e<name> sets extended name to '<name>'\n" |
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291 | " -a<ali> sets alignment to '<ali>'\n" |
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292 | " -d<file> sets default file to '<file>'\n" |
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293 | " -f<field> sets DB field to '<field>'\n" |
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294 | " -r read-only mode\n" |
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295 | " -D<server> sets DB-server to '<server>' [default = ':']\n" |
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296 | " -J<server> sets job-server to '<server>' [default = 'ARB_JOB_SERVER']\n" |
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297 | " -M<server> sets MGR-server to '<server>' [default = 'ARB_MGR_SERVER']\n" |
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298 | " -P<server> sets PT-server to '<server>' [default = 'ARB_PT_SERVER']\n" |
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299 | " -T<[host]:port> sets TCP connection to '<[host]:port>'\n" |
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300 | ); |
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301 | } |
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302 | |
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303 | struct arb_params *arb_trace_argv(int *argc, char **argv) |
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304 | { |
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305 | struct arb_params *erg; |
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306 | int s,d; |
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307 | |
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308 | erg = (struct arb_params *)calloc(sizeof(struct arb_params),1); |
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309 | erg->db_server = GB_strdup(":"); |
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310 | erg->job_server = GB_strdup("ARB_JOB_SERVER"); |
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311 | erg->mgr_server = GB_strdup("ARB_MGR_SERVER"); |
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312 | erg->pt_server = GB_strdup("ARB_PT_SERVER"); |
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313 | |
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314 | for (s=d=0; s<*argc; s++) { |
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315 | if (argv[s][0] == '-') { |
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316 | switch (argv[s][1]) { |
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317 | case 's': erg->species_name = strdup(argv[s]+2);break; |
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318 | case 'e': erg->extended_name = strdup(argv[s]+2);break; |
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319 | case 'a': erg->alignment = strdup(argv[s]+2);break; |
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320 | case 'd': erg->default_file = strdup(argv[s]+2);break; |
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321 | case 'f': erg->field = strdup(argv[s]+2);break; |
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322 | case 'r': erg->read_only = 1;break; |
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323 | case 'J': erg->job_server = strdup(argv[s]+2);break; |
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324 | case 'D': erg->db_server = strdup(argv[s]+2);break; |
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325 | case 'M': erg->mgr_server = strdup(argv[s]+2);break; |
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326 | case 'P': erg->pt_server = strdup(argv[s]+2);break; |
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327 | case 'T': { |
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328 | char *ipport = argv[s]+2; |
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329 | if (ipport[0] == ':') { /* port only -> assume localhost */ |
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330 | erg->tcp = GBS_global_string_copy("localhost%s", ipport); |
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331 | } |
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332 | else { |
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333 | erg->tcp = strdup(ipport); |
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334 | } |
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335 | break; |
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336 | } |
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337 | default: |
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338 | argv[d++] = argv[s]; |
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339 | break; |
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340 | } |
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341 | } |
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342 | else { |
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343 | argv[d++] = argv[s]; |
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344 | } |
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345 | } |
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346 | *argc = d; |
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347 | return erg; |
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348 | } |
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