Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_shmem.c @ 5747:57c05ff57980
SSL: logging level of "peer closed connection in SSL handshake".
Previously, the NGX_LOG_INFO level was used unconditionally. This is
correct for client SSL connections, but too low for connections to
upstream servers. To resolve this, ngx_connection_error() now used
to log this error, it will select logging level appropriately.
With this change, if an upstream connection is closed during SSL
handshake, it is now properly logged at "error" level.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Fri, 04 Jul 2014 22:14:36 +0400 |
parents | d620f497c50f |
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rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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11 |
469 | 12 #if (NGX_HAVE_MAP_ANON) |
358
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13 |
605 | 14 ngx_int_t |
15 ngx_shm_alloc(ngx_shm_t *shm) | |
358
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16 { |
639 | 17 shm->addr = (u_char *) mmap(NULL, shm->size, |
18 PROT_READ|PROT_WRITE, | |
19 MAP_ANON|MAP_SHARED, -1, 0); | |
358
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20 |
605 | 21 if (shm->addr == MAP_FAILED) { |
22 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, | |
23 "mmap(MAP_ANON|MAP_SHARED, %uz) failed", shm->size); | |
24 return NGX_ERROR; | |
358
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25 } |
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26 |
605 | 27 return NGX_OK; |
28 } | |
29 | |
30 | |
31 void | |
32 ngx_shm_free(ngx_shm_t *shm) | |
33 { | |
639 | 34 if (munmap((void *) shm->addr, shm->size) == -1) { |
605 | 35 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, |
36 "munmap(%p, %uz) failed", shm->addr, shm->size); | |
37 } | |
358
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38 } |
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39 |
469 | 40 #elif (NGX_HAVE_MAP_DEVZERO) |
358
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41 |
605 | 42 ngx_int_t |
43 ngx_shm_alloc(ngx_shm_t *shm) | |
358
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44 { |
605 | 45 ngx_fd_t fd; |
358
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46 |
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47 fd = open("/dev/zero", O_RDWR); |
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48 |
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49 if (fd == -1) { |
605 | 50 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, |
467 | 51 "open(\"/dev/zero\") failed"); |
605 | 52 return NGX_ERROR; |
358
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53 } |
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54 |
639 | 55 shm->addr = (u_char *) mmap(NULL, shm->size, PROT_READ|PROT_WRITE, |
56 MAP_SHARED, fd, 0); | |
358
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57 |
605 | 58 if (shm->addr == MAP_FAILED) { |
59 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, | |
60 "mmap(/dev/zero, MAP_SHARED, %uz) failed", shm->size); | |
358
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61 } |
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62 |
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63 if (close(fd) == -1) { |
605 | 64 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, |
467 | 65 "close(\"/dev/zero\") failed"); |
358
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66 } |
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67 |
605 | 68 return (shm->addr == MAP_FAILED) ? NGX_ERROR : NGX_OK; |
69 } | |
70 | |
71 | |
72 void | |
73 ngx_shm_free(ngx_shm_t *shm) | |
74 { | |
639 | 75 if (munmap((void *) shm->addr, shm->size) == -1) { |
605 | 76 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, |
77 "munmap(%p, %uz) failed", shm->addr, shm->size); | |
78 } | |
358
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79 } |
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80 |
469 | 81 #elif (NGX_HAVE_SYSVSHM) |
358
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82 |
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83 #include <sys/ipc.h> |
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84 #include <sys/shm.h> |
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85 |
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86 |
605 | 87 ngx_int_t |
88 ngx_shm_alloc(ngx_shm_t *shm) | |
358
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89 { |
605 | 90 int id; |
358
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91 |
605 | 92 id = shmget(IPC_PRIVATE, shm->size, (SHM_R|SHM_W|IPC_CREAT)); |
358
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93 |
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94 if (id == -1) { |
605 | 95 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, |
96 "shmget(%uz) failed", shm->size); | |
97 return NGX_ERROR; | |
358
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98 } |
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99 |
605 | 100 ngx_log_debug1(NGX_LOG_DEBUG_CORE, shm->log, 0, "shmget id: %d", id); |
358
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101 |
605 | 102 shm->addr = shmat(id, NULL, 0); |
103 | |
104 if (shm->addr == (void *) -1) { | |
105 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, "shmat() failed"); | |
358
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106 } |
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107 |
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108 if (shmctl(id, IPC_RMID, NULL) == -1) { |
605 | 109 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, |
110 "shmctl(IPC_RMID) failed"); | |
358
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111 } |
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112 |
605 | 113 return (shm->addr == (void *) -1) ? NGX_ERROR : NGX_OK; |
114 } | |
115 | |
116 | |
117 void | |
118 ngx_shm_free(ngx_shm_t *shm) | |
119 { | |
120 if (shmdt(shm->addr) == -1) { | |
121 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, | |
122 "shmdt(%p) failed", shm->addr); | |
123 } | |
358
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124 } |
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125 |
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126 #endif |