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#include <uwsgi.h>
extern struct uwsgi_server uwsgi;
/*
msgpack utilities
*/
enum {
MSGPACK_NIL = 0,
MSGPACK_TRUE,
MSGPACK_FALSE,
MSGPACK_INT,
MSGPACK_FLOAT,
MSGPACK_STR,
MSGPACK_BIN,
MSGPACK_ARRAY,
MSGPACK_MAP,
MSGPACK_EXT,
MSGPACK_MAGIC,
};
struct uwsgi_msgpack_item {
uint8_t type;
char *str;
uint32_t str_len;
int64_t num;
double fnum;
int (*func)(char *);
struct uwsgi_msgpack_item *next;
};
struct uwsgi_msgpack_item *uwsgi_msgpack_item_add(struct uwsgi_msgpack_item **list, uint8_t type) {
struct uwsgi_msgpack_item *old_umi = NULL, *umi = *list;
while(umi) {
old_umi = umi;
umi = umi->next;
}
umi = uwsgi_calloc(sizeof(struct uwsgi_msgpack_item));
umi->type = type;
if (old_umi) {
old_umi->next = umi;
}
else {
*list = umi;
}
return umi;
}
int uwsgi_buffer_msgpack_map(struct uwsgi_buffer *ub, uint32_t len) {
if (len <= 15) {
return uwsgi_buffer_byte(ub, 0x80 + len);
}
else if (len <= 0xffff) {
if (uwsgi_buffer_byte(ub, 0xDE)) return -1;
return uwsgi_buffer_u16be(ub, (uint16_t) len);
}
if (uwsgi_buffer_byte(ub, 0xDF)) return -1;
return uwsgi_buffer_u32be(ub, len);
}
int uwsgi_buffer_msgpack_array(struct uwsgi_buffer *ub, uint32_t len) {
if (len <= 15) {
return uwsgi_buffer_byte(ub, 0x90 + len);
}
else if (len <= 0xffff) {
if (uwsgi_buffer_byte(ub, 0xDC)) return -1;
return uwsgi_buffer_u16be(ub, (uint16_t) len);
}
if (uwsgi_buffer_byte(ub, 0xDD)) return -1;
return uwsgi_buffer_u32be(ub, len);
}
int uwsgi_buffer_msgpack_str(struct uwsgi_buffer *ub, char *str, uint32_t len) {
if (len <= 31) {
if (uwsgi_buffer_byte(ub, 0xA0 + len)) return -1;
}
// this is annoying, D9 does not work for older SPEC :(
/*
else if (len <= 0xff) {
if (uwsgi_buffer_byte(ub, 0xD9)) return -1;
if (uwsgi_buffer_byte(ub, (uint8_t) len)) return -1;
}
*/
else if (len <= 0xffff) {
if (uwsgi_buffer_byte(ub, 0xDA)) return -1;
if (uwsgi_buffer_u16be(ub, (uint16_t) len)) return -1;
}
else {
if (uwsgi_buffer_byte(ub, 0xDB)) return -1;
if (uwsgi_buffer_u32be(ub, len)) return -1;
}
return uwsgi_buffer_append(ub, str, len);
}
int uwsgi_buffer_msgpack_bin(struct uwsgi_buffer *ub, char *str, uint32_t len) {
if (len <= 0xff) {
if (uwsgi_buffer_byte(ub, 0xC4)) return -1;
if (uwsgi_buffer_byte(ub, (uint8_t) len)) return -1;
}
else if (len <= 0xffff) {
if (uwsgi_buffer_byte(ub, 0xC5)) return -1;
if (uwsgi_buffer_u16be(ub, (uint16_t) len)) return -1;
}
else {
if (uwsgi_buffer_byte(ub, 0xC6)) return -1;
if (uwsgi_buffer_u32be(ub, len)) return -1;
}
return uwsgi_buffer_append(ub, str, len);
}
int uwsgi_buffer_msgpack_int(struct uwsgi_buffer *ub, int64_t num) {
if (num > 0 && num <= 127) {
return uwsgi_buffer_byte(ub, (uint8_t) num);
}
else if (num < 0 && num >= -31) {
return uwsgi_buffer_byte(ub, 224 | (int8_t) num);
}
else if (num <= 127 && num >= -127) {
if (uwsgi_buffer_byte(ub, 0xD0)) return -1;
return uwsgi_buffer_byte(ub, (int8_t) num);
}
else if (num <= 32767 && num >= -32767) {
if (uwsgi_buffer_byte(ub, 0xD1)) return -1;
return uwsgi_buffer_u16be(ub, (uint16_t) num);
}
else if (num <= 2147483647LL && num >= -2147483648LL) {
if (uwsgi_buffer_byte(ub, 0xD2)) return -1;
return uwsgi_buffer_u32be(ub, (uint32_t) num);
}
if (uwsgi_buffer_byte(ub, 0xD3)) return -1;
return uwsgi_buffer_u64be(ub, (uint64_t)num);
}
int uwsgi_buffer_msgpack_float(struct uwsgi_buffer *ub, double num) {
if (num >= -126.0 && num <= 127.0) {
if (uwsgi_buffer_byte(ub, 0xCA)) return -1;
return uwsgi_buffer_f32be(ub, (float) num);
}
if (uwsgi_buffer_byte(ub, 0xCB)) return -1;
return uwsgi_buffer_f64be(ub, num);
}
int uwsgi_buffer_msgpack_nil(struct uwsgi_buffer *ub) {
return uwsgi_buffer_byte(ub, 0xC0);
}
int uwsgi_buffer_msgpack_true(struct uwsgi_buffer *ub) {
return uwsgi_buffer_byte(ub, 0xC3);
}
int uwsgi_buffer_msgpack_false(struct uwsgi_buffer *ub) {
return uwsgi_buffer_byte(ub, 0xC2);
}
static char *uwsgi_msgpack_log_encoder(struct uwsgi_log_encoder *ule, char *msg, size_t len, size_t *rlen) {
char *buf = NULL;
if (!ule->configured) {
char *p, *ctx = NULL;
uwsgi_foreach_token(ule->args, "|", p, ctx) {
char *colon = strchr(p, ':');
if (colon) *colon = 0;
// find the type of item
if (!strcmp(p, "map")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_MAP);
if (colon) {
new_umi->num = strtoull(colon+1, NULL, 10);
}
}
else if (!strcmp(p, "array")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_ARRAY);
if (colon) {
new_umi->num = strtoull(colon+1, NULL, 10);
}
}
else if (!strcmp(p, "nil")) {
uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_NIL);
}
else if (!strcmp(p, "true")) {
uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_TRUE);
}
else if (!strcmp(p, "false")) {
uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_FALSE);
}
else if (!strcmp(p, "int")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_INT);
if (colon) {
new_umi->num = strtoll(colon+1, NULL, 10);
}
}
else if (!strcmp(p, "float")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_FLOAT);
if (colon) {
new_umi->fnum = strtod(colon+1, NULL);
}
}
else if (!strcmp(p, "str")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_STR);
if (colon) {
new_umi->str = colon+1;
new_umi->str_len = strlen(colon+1);
}
else {
new_umi->str = "";
}
}
else if (!strcmp(p, "bin")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_BIN);
if (colon) {
new_umi->str = colon+1;
new_umi->str_len = strlen(colon+1);
}
else {
new_umi->str = "";
}
}
else if (!strcmp(p, "msg")) {
uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_MAGIC);
}
else if (!strcmp(p, "msgbin")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_MAGIC);
new_umi->num = 1;
}
else if (!strcmp(p, "msgnl")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_MAGIC);
new_umi->num = 2;
}
else if (!strcmp(p, "msgbinnl")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_MAGIC);
new_umi->num = 3;
}
else if (!strcmp(p, "unix")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_MAGIC);
new_umi->num = 4;
}
else if (!strcmp(p, "micros")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_MAGIC);
new_umi->num = 5;
}
else if (!strcmp(p, "strftime")) {
struct uwsgi_msgpack_item *new_umi = uwsgi_msgpack_item_add((struct uwsgi_msgpack_item**)&ule->data, MSGPACK_MAGIC);
new_umi->num = 6;
if (colon) {
new_umi->str = colon+1;
new_umi->str_len = strlen(colon+1);
}
else {
new_umi->str = "";
}
}
if (colon) *colon = ':';
}
ule->configured = 1;
}
struct uwsgi_buffer *ub = uwsgi_buffer_new(len + strlen(ule->args));
struct uwsgi_msgpack_item *umi = (struct uwsgi_msgpack_item*) ule->data;
uint32_t tmp_len = 0;
while(umi) {
switch(umi->type) {
case(MSGPACK_NIL):
if (uwsgi_buffer_msgpack_nil(ub)) goto end;
break;
case(MSGPACK_TRUE):
if (uwsgi_buffer_msgpack_true(ub)) goto end;
break;
case(MSGPACK_FALSE):
if (uwsgi_buffer_msgpack_false(ub)) goto end;
break;
case(MSGPACK_STR):
if (uwsgi_buffer_msgpack_str(ub, umi->str, umi->str_len)) goto end;
break;
case(MSGPACK_BIN):
if (uwsgi_buffer_msgpack_bin(ub, umi->str, umi->str_len)) goto end;
break;
case(MSGPACK_MAP):
if (uwsgi_buffer_msgpack_map(ub, umi->num)) goto end;
break;
case(MSGPACK_ARRAY):
if (uwsgi_buffer_msgpack_array(ub, umi->num)) goto end;
break;
case(MSGPACK_INT):
if (uwsgi_buffer_msgpack_int(ub, umi->num)) goto end;
break;
case(MSGPACK_FLOAT):
if (uwsgi_buffer_msgpack_float(ub, umi->fnum)) goto end;
break;
case(MSGPACK_MAGIC):
// msg
tmp_len = len;
if (umi->num == 0) {
if (msg[len-1] == '\n') tmp_len--;
if (uwsgi_buffer_msgpack_str(ub, msg, tmp_len)) goto end;
}
// msgbin
else if (umi->num == 1) {
if (msg[len-1] == '\n') tmp_len--;
if (uwsgi_buffer_msgpack_bin(ub, msg, tmp_len)) goto end;
}
// msgnl
if (umi->num == 2) {
if (uwsgi_buffer_msgpack_str(ub, msg, tmp_len)) goto end;
}
// msgbinnl
else if (umi->num == 3) {
if (uwsgi_buffer_msgpack_bin(ub, msg, tmp_len)) goto end;
}
// unix
else if (umi->num == 4) {
if (uwsgi_buffer_msgpack_int(ub, (int64_t)uwsgi_now())) goto end;
}
// micros
else if (umi->num == 5) {
if (uwsgi_buffer_msgpack_int(ub, (int64_t)uwsgi_micros())) goto end;
}
// strftime
else if (umi->num == 6) {
char sftime[64];
time_t now = uwsgi_now();
int rlen = strftime(sftime, 64, umi->str, localtime(&now));
if (rlen > 0) {
if (uwsgi_buffer_msgpack_str(ub, sftime, rlen)) goto end;
}
else {
if (uwsgi_buffer_msgpack_str(ub, "", 0)) goto end;
}
}
break;
default:
break;
}
umi = umi->next;
}
buf = ub->buf;
*rlen = ub->pos;
ub->buf = NULL;
end:
uwsgi_buffer_destroy(ub);
return buf;
}
static void uwsgi_msgpack_register() {
uwsgi_register_log_encoder("msgpack", uwsgi_msgpack_log_encoder);
}
struct uwsgi_plugin msgpack_plugin = {
.name = "msgpack",
.on_load = uwsgi_msgpack_register,
};
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