Sun, 27 Nov 2022 13:33:30 +0100
improve daemon startup
parent will wait until daemon is started and returns error code if startup failed
daemon startup log messages will be printed by parent
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2016 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #ifndef CGI_H |
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30 | #define CGI_H |
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31 | |
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32 | #include "../public/nsapi.h" |
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33 | #include <cx/buffer.h> |
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34 | |
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35 | #ifdef __cplusplus |
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36 | extern "C" { |
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37 | #endif |
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38 | |
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39 | typedef struct { |
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40 | int in[2]; |
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41 | int out[2]; |
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42 | int err[2]; |
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43 | pid_t pid; |
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44 | } CGIProcess; |
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45 | |
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46 | typedef struct { |
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47 | Session *sn; |
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48 | Request *rq; |
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49 | CxBuffer tmp; |
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50 | int status; |
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51 | char *msg; |
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52 | size_t response_length; |
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53 | WSBool cgiheader; |
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54 | } CGIResponseParser; |
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55 | |
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56 | typedef struct CGIHandler { |
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57 | CGIProcess process; |
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58 | CGIResponseParser *parser; |
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59 | HttpResponseWriter *response; |
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60 | char *path; |
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61 | Event *writeev; |
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62 | Event *stderrev; |
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63 | char *stderr_tmp; |
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64 | int stderr_tmplen; |
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65 | char *writebuf; |
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66 | size_t writebuf_alloc; |
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67 | size_t writebuf_size; |
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68 | size_t writebuf_pos; |
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69 | WSBool stderr_finished; |
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70 | WSBool read_output_finished; |
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71 | WSBool send_response_finished; |
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72 | WSBool poll_out; |
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73 | int result; |
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74 | } CGIHandler; |
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75 | |
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76 | int send_cgi(pblock *pb, Session *sn, Request *rq); |
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77 | |
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78 | char** cgi_add_vars(char **env, Session *sn, Request *rq); |
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79 | |
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80 | int cgi_start(CGIProcess *p, char *path, char *const argv[], char *const envp[]); |
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81 | |
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82 | int cgi_close(CGIProcess *p); |
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83 | |
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84 | int cgi_stdout_readevent(EventHandler *ev, Event *event); |
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85 | int cgi_stderr_readevent(EventHandler *ev, Event *event); |
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86 | int cgi_event_finish(EventHandler *ev, Event *event); |
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87 | int cgi_writeevent(EventHandler *ev, Event *event); |
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88 | |
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89 | int cgi_read_output(CGIHandler *handler, EventHandler *ev); |
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90 | |
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91 | CGIResponseParser* cgi_parser_new(Session *sn, Request *rq); |
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92 | void cgi_parser_free(CGIResponseParser *parser); |
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93 | int cgi_parse_response(CGIResponseParser *parser, char *buf, size_t len, size_t *bpos); |
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94 | |
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95 | #ifdef __cplusplus |
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96 | } |
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97 | #endif |
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98 | |
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99 | #endif /* CGI_H */ |
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100 |