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Implement get_read_info

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This commit is contained in:
Nick Krichevsky 2018-09-01 20:29:04 -04:00
parent 8beb3f7c02
commit 96efb3c8aa
2 changed files with 26 additions and 0 deletions
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18
common/socket_helper.c
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@ -85,6 +85,24 @@ static struct line_read_result read_line(const char *buffer, int buffer_size, st
return result;
}
static struct socket_read_info get_read_info(const struct http_header *headers) {
const struct http_header *header_cursor = headers;
struct socket_read_info info = {STRATEGY_EOF, -1};
while (header_cursor != NULL) {
header_cursor = header_cursor->next_header;
if (headercmp(header_cursor, HEADER_TRANSFER_ENCODING) == 0 &&
case_insensitive_strcmp(header_cursor->value, ENCODING_TYPE_CHUNKED)) {
info.strategy = STRATEGY_CHUNKED;
} else if (headercmp(header_cursor, HEADER_CONTENT_LENGTH) == 0
&& info.strategy != STRATEGY_CHUNKED) {
info.strategy = STRATEGY_CONTENT_LENGTH;
info.length = atoi(header_cursor->value);
}
}
return info;
}
enum socket_read_result get_all_remote_parts(int socket_fd, struct http_message *message) {
ssize_t current_result_size = 0;
char *result = NULL;

8
common/socket_helper.h
View file

@ -4,15 +4,23 @@
#include "http_types.h"
#define BUFFER_SIZE 1024
#define HEADER_CONTENT_LENGTH "Content-Length"
#define HEADER_TRANSFER_ENCODING "Transfer-Encoding"
#define ENCODING_TYPE_CHUNKED "chunked"
enum line_type {RESULT_START_LINE, RESULT_HEADER, RESULT_BLANK_LINE, RESULT_NO_LINE};
enum socket_read_result {RESULT_OK, RESULT_MALFORMED, RESULT_READ_ERROR};
enum socket_read_strategy {STRATEGY_CHUNKED, STRATEGY_CONTENT_LENGTH, STRATEGY_EOF};
struct line_read_result {
enum line_type line_type;
// TODO: this just gets freed... do we need it?
char *line;
int bytes_read;
};
struct socket_read_info {
enum socket_read_strategy strategy;
int length;
};
enum socket_read_result get_all_remote_parts(int socket_fd, struct http_message *message);