mirror of
https://github.com/pvvx/RTL00_WEB.git
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137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
//#include <stdio.h>
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//#include <stdlib.h>
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//#include <string.h>
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#include "platform/platform_stdlib.h"
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#include "FreeRTOS.h"
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const char * http_strstr(const char *str1, const char *str2) {
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char *a, *b;
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/* First scan quickly through the two strings looking for a
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* single-character match. When it's found, then compare the
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* rest of the substring.
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*/
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b = (char *)str2;
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if (*b == 0) {
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return str1;
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}
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for ( ; *str1 != 0; str1 += 1) {
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if (*str1 != *b) {
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continue;
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}
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a = (char *)str1;
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while (1) {
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if (*b == 0) {
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return str1;
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}
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if (*a++ != *b++) {
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break;
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}
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}
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b = (char *)str2;
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}
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return (char *) 0;
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}
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static void* http_malloc(unsigned int size)
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{
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return pvPortMalloc(size);
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}
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void http_free(void *buf)
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{
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vPortFree(buf);
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}
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static char *http_itoa(int value)
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{
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char *val_str;
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int tmp = value, len = 1;
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while((tmp /= 10) > 0)
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len ++;
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val_str = (char *) http_malloc(len + 1);
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sprintf(val_str, "%d", value);
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return val_str;
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}
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char *http_post_header(char *host, char *resource, char *type, int data_len)
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{
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char *len_str = http_itoa(data_len);
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char *header = (char *) http_malloc(strlen("POST ") + strlen(resource) + strlen(" HTTP/1.1\r\nHost: ") + strlen(host) +
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strlen("\r\nContent-Type: ") + strlen(type) + strlen("\r\nContent-Length: ") + strlen(len_str) + strlen("\r\n\r\n") + 1);
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sprintf(header, "POST %s HTTP/1.1\r\nHost: %s\r\nContent-Type: %s\r\nContent-Length: %s\r\n\r\n", resource, host, type, len_str);
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http_free(len_str);
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return header;
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}
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char *http_get_header(char *host, char *resource)
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{
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char *header = (char *) http_malloc(strlen("GET ") + strlen(resource) + strlen(" HTTP/1.1\r\nHost: ") + strlen(host) + strlen("\r\n\r\n") + 1);
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sprintf(header, "GET %s HTTP/1.1\r\nHost: %s\r\n\r\n", resource, host);
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return header;
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}
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char *http_response_header(char *buf, int response_len)
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{
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char *http_response, *http_header = NULL, *header_end;
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int header_len;
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http_response = (char *) http_malloc(response_len + 1);
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memcpy(http_response, buf, response_len);
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http_response[response_len] = '\0';
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if(strncmp(http_response, "HTTP", 4) == 0) {
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if((header_end = (char *)http_strstr(http_response, "\r\n\r\n")) != NULL) {
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header_end += 4;
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header_len = header_end - http_response;
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http_header = (char *) http_malloc(header_len + 1);
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memcpy(http_header, http_response, header_len);
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http_header[header_len] = '\0';
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}
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}
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http_free(http_response);
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return http_header;
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}
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char *http_response_body(char *buf, int response_len)
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{
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char *http_response, *http_body = NULL, *body_start;
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int body_len;
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http_response = (char *) http_malloc(response_len + 1);
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memcpy(http_response, buf, response_len);
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http_response[response_len] = '\0';
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if(strncmp(http_response, "HTTP", 4) == 0) {
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if((body_start = (char *)http_strstr(http_response, "\r\n\r\n")) != NULL) {
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body_start += 4;
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body_len = http_response + response_len - body_start;
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if(body_len > 0) {
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http_body = (char *) http_malloc(body_len + 1);
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memcpy(http_body, body_start, body_len);
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http_body[body_len] = '\0';
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}
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http_free(http_response);
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}
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else {
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http_body = http_response;
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}
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}
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else {
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http_body = http_response;
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}
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return http_body;
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}
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