1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
#include "param.h"
#include "http_server.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
void cmd_handle(color_int_t)(
const char* attr, sockbuf_t* sockbuf, color_int_t* ptr)
{
char buf_[32];
char* value = read_token(sockbuf, buf_, sizeof(buf_));
if (!value) {
sockbuf_write(sockbuf, "Missing color value\n");
return;
}
char* p = value;
if (*p == '#') {
p++;
} else if (!strncasecmp(p, "0x", 2)) {
p += 2;
}
char* end = NULL;
unsigned long parsed = strtoul(p, &end, 16);
if (end == p || *end != '\0' || parsed > 0xFFFFFFUL) {
sockbuf_write(sockbuf, "Invalid color; expected hex like RRGGBB\n");
return;
}
*ptr = (color_int_t)parsed;
snprintf(buf_, sizeof(buf_), "%s = 0x%06lx\n", attr, parsed);
sockbuf_write(sockbuf, buf_);
}
size_t serialize_to_json(color_int_t)(
char** out, size_t len, const char* attr, const char* dn, color_int_t value)
{
size_t newlen = snprintf(
*out,
len,
"\"%s\":{\"type\":\"color\",\"value\":\"#%06lx\",\"disp\":\"%s\"}",
attr,
(unsigned long)(value & 0xFFFFFF),
dn);
*out += newlen;
return len - newlen;
}
#define TAG "param_color"
void http_handle(color_int_t)(httpd_req_t* req, color_int_t* val)
{
char buf[128];
int buf_len = httpd_req_get_url_query_len(req) + 1;
if (buf_len > 1) {
if (buf_len > sizeof(buf)) {
ESP_LOGI(TAG, "Invalid request. Query string too long.");
httpd_resp_set_status(req, HTTPD_400);
return;
}
if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK) {
char param[32];
if (httpd_query_key_value(buf, "set", param, sizeof(param)) == ESP_OK) {
char* p = param;
if (*p == '#') {
p++;
} else if (!strncasecmp(p, "0x", 2)) {
p += 2;
}
char* end = NULL;
unsigned long parsed = strtoul(p, &end, 16);
if (end == p || *end != '\0' || parsed > 0xFFFFFFUL) {
ESP_LOGI(TAG, "Invalid request. Invalid color value.");
httpd_resp_set_status(req, HTTPD_400);
return;
}
*val = (color_int_t)parsed;
}
}
}
httpd_resp_set_status(req, HTTPD_204);
}
void print(color_int_t)(
sockbuf_t* sockbuf, const char* attr, color_int_t val)
{
char buf[128];
snprintf(buf, sizeof(buf), "%s: 0x%06lx :: color\n", attr, (unsigned long)val);
sockbuf_write(sockbuf, buf);
}
|
