Mercurial > hg > nginx
comparison src/http/ngx_http_write_filter.c @ 4:c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 22 Aug 2002 15:24:03 +0000 |
parents | 34a521b1a148 |
children | 708f8bb772ec |
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3:34a521b1a148 | 4:c5f071d376e5 |
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42 /* find size, flush point and last link of saved chain */ | 42 /* find size, flush point and last link of saved chain */ |
43 for (ch = ctx->out; ch; ch = ch->next) { | 43 for (ch = ctx->out; ch; ch = ch->next) { |
44 prev = &ch->next; | 44 prev = &ch->next; |
45 size += ch->hunk->last.file - ch->hunk->pos.file; | 45 size += ch->hunk->last.file - ch->hunk->pos.file; |
46 | 46 |
47 ngx_log_debug(r->connection->log, "old chunk: %x %qx %qd" _ | 47 ngx_log_debug(r->connection->log, "old chunk: %x " QX_FMT " " QD_FMT _ |
48 ch->hunk->type _ ch->hunk->pos.file _ | 48 ch->hunk->type _ ch->hunk->pos.file _ |
49 ch->hunk->last.file - ch->hunk->pos.file); | 49 ch->hunk->last.file - ch->hunk->pos.file); |
50 | 50 |
51 if (ch->hunk->type & NGX_HUNK_FLUSH) | 51 if (ch->hunk->type & NGX_HUNK_FLUSH) |
52 flush = size; | 52 flush = size; |
55 last = 1; | 55 last = 1; |
56 } | 56 } |
57 | 57 |
58 /* add new chain to existent one */ | 58 /* add new chain to existent one */ |
59 for (/* void */; in; in = in->next) { | 59 for (/* void */; in; in = in->next) { |
60 ngx_test_null(ch, ngx_palloc(r->pool, sizeof(ngx_chain_t)), | 60 ngx_test_null(ch, ngx_palloc(r->pool, sizeof(ngx_chain_t)), NGX_ERROR); |
61 NGX_HTTP_FILTER_ERROR); | |
62 | 61 |
63 ch->hunk = in->hunk; | 62 ch->hunk = in->hunk; |
64 ch->next = NULL; | 63 ch->next = NULL; |
65 *prev = ch; | 64 *prev = ch; |
66 prev = &ch->next; | 65 prev = &ch->next; |
67 size += ch->hunk->last.file - ch->hunk->pos.file; | 66 size += ch->hunk->last.file - ch->hunk->pos.file; |
68 | 67 |
69 ngx_log_debug(r->connection->log, "new chunk: %x %qx %qd" _ | 68 ngx_log_debug(r->connection->log, "new chunk: %x " QX_FMT " " QD_FMT _ |
70 ch->hunk->type _ ch->hunk->pos.file _ | 69 ch->hunk->type _ ch->hunk->pos.file _ |
71 ch->hunk->last.file - ch->hunk->pos.file); | 70 ch->hunk->last.file - ch->hunk->pos.file); |
72 | 71 |
73 if (ch->hunk->type & NGX_HUNK_FLUSH) | 72 if (ch->hunk->type & NGX_HUNK_FLUSH) |
74 flush = size; | 73 flush = size; |
76 if (ch->hunk->type & NGX_HUNK_LAST) | 75 if (ch->hunk->type & NGX_HUNK_LAST) |
77 last = 1; | 76 last = 1; |
78 } | 77 } |
79 | 78 |
80 if (!last && flush == 0 && size < ctx->buffer_output) | 79 if (!last && flush == 0 && size < ctx->buffer_output) |
81 return NGX_HTTP_FILTER_DONE; | 80 return NGX_OK; |
82 | 81 |
83 chain = ngx_event_write(r->connection, ctx->out, flush); | 82 chain = ngx_event_write(r->connection, ctx->out, flush); |
84 if (chain == (ngx_chain_t *) -1) | 83 if (chain == (ngx_chain_t *) -1) |
85 return NGX_HTTP_FILTER_ERROR; | 84 return NGX_ERROR; |
86 | 85 |
87 ctx->out = chain; | 86 ctx->out = chain; |
88 | 87 |
89 return (chain ? NGX_HTTP_FILTER_AGAIN : NGX_HTTP_FILTER_DONE); | 88 return (chain ? NGX_AGAIN : NGX_OK); |
90 } | 89 } |