Commit f1bf7c49f78db168c321af825feeb513b574394a
1 parent
19724f0d
basic request parsing (line by line) implemented
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3 changed files
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130 additions
and
18 deletions
| @@ -8,7 +8,8 @@ | @@ -8,7 +8,8 @@ | ||
| 8 | #define HTTP_REQUEST_PARSER_READ_CHUNK 1024 | 8 | #define HTTP_REQUEST_PARSER_READ_CHUNK 1024 |
| 9 | 9 | ||
| 10 | typedef enum e_HttpRequestState { | 10 | typedef enum e_HttpRequestState { |
| 11 | - HTTP_REQUEST_START=0, | 11 | + HTTP_REQUEST_GARBAGE=0, |
| 12 | + HTTP_REQUEST_START, | ||
| 12 | HTTP_REQUEST_REQEUST_LINE_DONE, | 13 | HTTP_REQUEST_REQEUST_LINE_DONE, |
| 13 | HTTP_REQUEST_HEADERS_DONE, | 14 | HTTP_REQUEST_HEADERS_DONE, |
| 14 | HTTP_REQUEST_DONE | 15 | HTTP_REQUEST_DONE |
| @@ -18,6 +19,7 @@ typedef enum e_HttpRequestState { | @@ -18,6 +19,7 @@ typedef enum e_HttpRequestState { | ||
| 18 | CLASS(HttpRequestParser) { | 19 | CLASS(HttpRequestParser) { |
| 19 | char * buffer; | 20 | char * buffer; |
| 20 | size_t buffer_used; | 21 | size_t buffer_used; |
| 22 | + size_t buffer_size; | ||
| 21 | 23 | ||
| 22 | //HttpRequestQueue request_queue; | 24 | //HttpRequestQueue request_queue; |
| 23 | HttpRequestState state; | 25 | HttpRequestState state; |
| 1 | #include <stdlib.h> | 1 | #include <stdlib.h> |
| 2 | 2 | ||
| 3 | -#include "cclass.h" | 3 | +#include "class.h" |
| 4 | #include "http/request.h" | 4 | #include "http/request.h" |
| 5 | 5 | ||
| 6 | -INIT_CLASS(HTTP_REQUEST); | ||
| 7 | - | ||
| 8 | -static void | 6 | +static |
| 7 | +void | ||
| 9 | _free(void ** data) | 8 | _free(void ** data) |
| 10 | { | 9 | { |
| 11 | if (NULL != *data) { | 10 | if (NULL != *data) { |
| @@ -13,9 +12,9 @@ _free(void ** data) | @@ -13,9 +12,9 @@ _free(void ** data) | ||
| 13 | } | 12 | } |
| 14 | } | 13 | } |
| 15 | 14 | ||
| 16 | -__construct(LOGGER) {} | ||
| 17 | - | ||
| 18 | -__destruct(LOGGER) | 15 | +static |
| 16 | +void | ||
| 17 | +dtor(void * _this) | ||
| 19 | { | 18 | { |
| 20 | int i; | 19 | int i; |
| 21 | 20 | ||
| @@ -31,8 +30,7 @@ __destruct(LOGGER) | @@ -31,8 +30,7 @@ __destruct(LOGGER) | ||
| 31 | _free(&(this->body)); | 30 | _free(&(this->body)); |
| 32 | } | 31 | } |
| 33 | 32 | ||
| 34 | -__jsonConst(LOGGER) {} | ||
| 35 | -__toJson(LOGGER) {} | ||
| 36 | -__clear(LOGGER) {} | 33 | +INIT_IFACE(Class, NULL, dtor, NULL); |
| 34 | +CREATE_CLASS(HttpRequest, IFACE(Class)); | ||
| 37 | 35 | ||
| 38 | // vim: set ts=4 sw=4: | 36 | // vim: set ts=4 sw=4: |
| @@ -3,6 +3,7 @@ | @@ -3,6 +3,7 @@ | ||
| 3 | #include <stdlib.h> | 3 | #include <stdlib.h> |
| 4 | #include <stdio.h> | 4 | #include <stdio.h> |
| 5 | #include <unistd.h> | 5 | #include <unistd.h> |
| 6 | +#include <ctype.h> | ||
| 6 | #include <sys/types.h> | 7 | #include <sys/types.h> |
| 7 | 8 | ||
| 8 | #include "class.h" | 9 | #include "class.h" |
| @@ -14,7 +15,7 @@ | @@ -14,7 +15,7 @@ | ||
| 14 | 15 | ||
| 15 | static | 16 | static |
| 16 | void | 17 | void |
| 17 | -httpRequestParserParse(char * data, size_t * size); | 18 | +httpRequestParserParse(HttpRequestParser); |
| 18 | 19 | ||
| 19 | static | 20 | static |
| 20 | void | 21 | void |
| @@ -25,6 +26,7 @@ ctor(void * _this, va_list * params) | @@ -25,6 +26,7 @@ ctor(void * _this, va_list * params) | ||
| 25 | //this->request_queue = va_arg(*params, HttpRequestQueue); | 26 | //this->request_queue = va_arg(*params, HttpRequestQueue); |
| 26 | 27 | ||
| 27 | this->buffer = malloc(HTTP_REQUEST_PARSER_READ_CHUNK); | 28 | this->buffer = malloc(HTTP_REQUEST_PARSER_READ_CHUNK); |
| 29 | + this->buffer[0] = 0; | ||
| 28 | } | 30 | } |
| 29 | 31 | ||
| 30 | static | 32 | static |
| @@ -78,15 +80,16 @@ get_data(void * _this, int fd) | @@ -78,15 +80,16 @@ get_data(void * _this, int fd) | ||
| 78 | */ | 80 | */ |
| 79 | chunks++; | 81 | chunks++; |
| 80 | 82 | ||
| 81 | - if (size > remaining) { | 83 | + if (size >= remaining) { |
| 82 | this->buffer = | 84 | this->buffer = |
| 83 | realloc(this->buffer, chunks * HTTP_REQUEST_PARSER_READ_CHUNK); | 85 | realloc(this->buffer, chunks * HTTP_REQUEST_PARSER_READ_CHUNK); |
| 84 | } | 86 | } |
| 85 | 87 | ||
| 86 | memcpy(this->buffer + this->buffer_used, buffer, size); | 88 | memcpy(this->buffer + this->buffer_used, buffer, size); |
| 87 | this->buffer_used += size; | 89 | this->buffer_used += size; |
| 90 | + this->buffer[this->buffer_used] = 0; | ||
| 88 | 91 | ||
| 89 | - httpRequestParserParse(this->buffer, &this->buffer_used); | 92 | + httpRequestParserParse(this); |
| 90 | } | 93 | } |
| 91 | 94 | ||
| 92 | return size; | 95 | return size; |
| @@ -97,12 +100,121 @@ INIT_IFACE(StreamReader, get_data); | @@ -97,12 +100,121 @@ INIT_IFACE(StreamReader, get_data); | ||
| 97 | CREATE_CLASS(HttpRequestParser, NULL, IFACE(Class), IFACE(StreamReader)); | 100 | CREATE_CLASS(HttpRequestParser, NULL, IFACE(Class), IFACE(StreamReader)); |
| 98 | 101 | ||
| 99 | static | 102 | static |
| 103 | +inline | ||
| 104 | +int | ||
| 105 | +httpRequestLineGet(HttpRequestParser this, char ** line) | ||
| 106 | +{ | ||
| 107 | + char * line_end = strstr(this->buffer, "\r\n"); | ||
| 108 | + | ||
| 109 | + if (NULL == line_end) { | ||
| 110 | + *line = NULL; | ||
| 111 | + return -1; | ||
| 112 | + } | ||
| 113 | + | ||
| 114 | + *line_end = 0; | ||
| 115 | + *line = malloc(strlen(this->buffer) + 1); | ||
| 116 | + strcpy(*line, this->buffer); | ||
| 117 | + | ||
| 118 | + line_end+=2; | ||
| 119 | + | ||
| 120 | + memmove(this->buffer, | ||
| 121 | + line_end, | ||
| 122 | + this->buffer_used - (line_end-this->buffer) + 1); | ||
| 123 | + | ||
| 124 | + this->buffer_used -= line_end-this->buffer; | ||
| 125 | + | ||
| 126 | + return line_end-this->buffer-2; | ||
| 127 | +} | ||
| 128 | + | ||
| 129 | +static | ||
| 130 | +inline | ||
| 100 | void | 131 | void |
| 101 | -httpRequestParserParse(char * data, size_t * size) | 132 | +httpRequestSkip(HttpRequestParser this) |
| 102 | { | 133 | { |
| 103 | - data[*size] = 0; | ||
| 104 | - printf("%s", data); | ||
| 105 | - *size = 0; | 134 | + size_t skip; |
| 135 | + | ||
| 136 | + for (skip = 0; | ||
| 137 | + 0 != this->buffer[skip] | ||
| 138 | + && ! isalpha(this->buffer[skip]) | ||
| 139 | + && this->buffer_used > skip; | ||
| 140 | + skip++); | ||
| 141 | + | ||
| 142 | + memmove(this->buffer, | ||
| 143 | + &this->buffer[skip], | ||
| 144 | + this->buffer_used - skip + 1); | ||
| 145 | + | ||
| 146 | + this->buffer_used -= skip; | ||
| 147 | +} | ||
| 148 | + | ||
| 149 | +static | ||
| 150 | +void | ||
| 151 | +httpRequestParserParse(HttpRequestParser this) | ||
| 152 | +{ | ||
| 153 | + //static HttpRequest request = NULL; | ||
| 154 | + char * line; | ||
| 155 | + int cont = 1; | ||
| 156 | + int length; | ||
| 157 | + | ||
| 158 | + //if(NULL == HttpRequest) { | ||
| 159 | + // request = new(HttpRequest); | ||
| 160 | + //} | ||
| 161 | + | ||
| 162 | + while(cont) { | ||
| 163 | + switch(this->state) { | ||
| 164 | + case HTTP_REQUEST_GARBAGE: | ||
| 165 | + puts("==skip garbage=="); | ||
| 166 | + httpRequestSkip(this); | ||
| 167 | + | ||
| 168 | + this->state = HTTP_REQUEST_START; | ||
| 169 | + break; | ||
| 170 | + | ||
| 171 | + case HTTP_REQUEST_START: | ||
| 172 | + puts("==request line=="); | ||
| 173 | + if (-1 == httpRequestLineGet(this, &line)) { | ||
| 174 | + cont = 0; | ||
| 175 | + break; | ||
| 176 | + } | ||
| 177 | + | ||
| 178 | + printf("%s\n", line); | ||
| 179 | + free(line); | ||
| 180 | + this->state = HTTP_REQUEST_REQEUST_LINE_DONE; | ||
| 181 | + break; | ||
| 182 | + | ||
| 183 | + case HTTP_REQUEST_REQEUST_LINE_DONE: | ||
| 184 | + puts("==read header=="); | ||
| 185 | + if (-1 == (length = httpRequestLineGet(this, &line))) { | ||
| 186 | + cont = 0; | ||
| 187 | + break; | ||
| 188 | + } | ||
| 189 | + | ||
| 190 | + if (0 == length) { | ||
| 191 | + free(line); | ||
| 192 | + this->state = HTTP_REQUEST_HEADERS_DONE; | ||
| 193 | + break; | ||
| 194 | + } | ||
| 195 | + | ||
| 196 | + printf("%s\n", line); | ||
| 197 | + free(line); | ||
| 198 | + break; | ||
| 199 | + | ||
| 200 | + case HTTP_REQUEST_HEADERS_DONE: | ||
| 201 | + puts("==headers done=="); | ||
| 202 | + this->state = HTTP_REQUEST_DONE; | ||
| 203 | + break; | ||
| 204 | + | ||
| 205 | + case HTTP_REQUEST_DONE: | ||
| 206 | + puts("==request done=="); | ||
| 207 | + | ||
| 208 | + if (0 == this->buffer_used) { | ||
| 209 | + cont = 0; | ||
| 210 | + } | ||
| 211 | + | ||
| 212 | + break; | ||
| 213 | + | ||
| 214 | + default: | ||
| 215 | + break; | ||
| 216 | + } | ||
| 217 | + } | ||
| 106 | } | 218 | } |
| 107 | 219 | ||
| 108 | // vim: set ts=4 sw=4: | 220 | // vim: set ts=4 sw=4: |
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