ESL_DECLARE(char *) esl_event_get_header_idx(esl_event_t *event, const char *header_name, int idx)
{
esl_event_header_t *hp;
if ((hp = esl_event_get_header_ptr(event, header_name))) {
if (idx > -1) {
if (idx < hp->idx) {
return hp->array[idx];
} else {
return NULL;
}
}
return hp->value;
}
return NULL;
}
static esl_status_t esl_event_base_add_header(esl_event_t *event, esl_stack_t stack, const char *header_name, char *data)
{
esl_event_header_t *header = NULL;
esl_ssize_t hlen = -1;
int exists = 0, fly = 0;
char *index_ptr;
int index = 0;
char *real_header_name = NULL;
if ((index_ptr = strchr(header_name, '['))) {
index_ptr++;
index = atoi(index_ptr);
real_header_name = DUP(header_name);
if ((index_ptr = strchr(real_header_name, '['))) {
*index_ptr++ = '\0';
}
header_name = real_header_name;
}
if (index_ptr || (stack & ESL_STACK_PUSH) || (stack & ESL_STACK_UNSHIFT)) {
if (!(header = esl_event_get_header_ptr(event, header_name)) && index_ptr) {
header = new_header(header_name);
if (esl_test_flag(event, ESL_EF_UNIQ_HEADERS)) {
esl_event_del_header(event, header_name);
}
fly++;
}
if ((header = esl_event_get_header_ptr(event, header_name))) {
if (index_ptr) {
if (index > -1 && index <= 4000) {
if (index < header->idx) {
FREE(header->array[index]);
header->array[index] = DUP(data);
} else {
int i;
char **m;
m = realloc(header->array, sizeof(char *) * (index + 1));
esl_assert(m);
header->array = m;
for (i = header->idx; i < index; i++) {
m[i] = DUP("");
}
m[index] = DUP(data);
header->idx = index + 1;
if (!fly) {
exists = 1;
}
goto redraw;
}
}
goto end;
} else {
if ((stack & ESL_STACK_PUSH) || (stack & ESL_STACK_UNSHIFT)) {
exists++;
stack &= ~(ESL_STACK_TOP | ESL_STACK_BOTTOM);
} else {
header = NULL;
}
}
}
}
if (!header) {
if (esl_strlen_zero(data)) {
esl_event_del_header(event, header_name);
FREE(data);
goto end;
}
if (esl_test_flag(event, ESL_EF_UNIQ_HEADERS)) {
esl_event_del_header(event, header_name);
}
if (strstr(data, "ARRAY::")) {
esl_event_add_array(event, header_name, data);
FREE(data);
goto end;
}
header = new_header(header_name);
}
if ((stack & ESL_STACK_PUSH) || (stack & ESL_STACK_UNSHIFT)) {
char **m = NULL;
esl_size_t len = 0;
char *hv;
int i = 0, j = 0;
if (header->value && !header->idx) {
m = malloc(sizeof(char *));
esl_assert(m);
m[0] = header->value;
header->value = NULL;
header->array = m;
header->idx++;
m = NULL;
}
i = header->idx + 1;
m = realloc(header->array, sizeof(char *) * i);
esl_assert(m);
if ((stack & ESL_STACK_PUSH)) {
m[header->idx] = data;
} else if ((stack & ESL_STACK_UNSHIFT)) {
for (j = header->idx; j > 0; j--) {
m[j] = m[j-1];
}
m[0] = data;
}
header->idx++;
header->array = m;
redraw:
len = 0;
for(j = 0; j < header->idx; j++) {
len += strlen(header->array[j]) + 2;
}
if (len) {
len += 8;
hv = realloc(header->value, len);
esl_assert(hv);
header->value = hv;
esl_snprintf(header->value, len, "ARRAY::");
for(j = 0; j < header->idx; j++) {
esl_snprintf(header->value + strlen(header->value), len - strlen(header->value), "%s%s", j == 0 ? "" : "|:", header->array[j]);
}
}
} else {
header->value = data;
}
if (!exists) {
header->hash = esl_ci_hashfunc_default(header->name, &hlen);
if ((stack & ESL_STACK_TOP)) {
header->next = event->headers;
event->headers = header;
if (!event->last_header) {
event->last_header = header;
}
} else {
if (event->last_header) {
event->last_header->next = header;
} else {
event->headers = header;
header->next = NULL;
}
event->last_header = header;
}
}
end:
esl_safe_free(real_header_name);
return ESL_SUCCESS;
}
static esl_status_t esl_event_base_add_header(esl_event_t *event, esl_stack_t stack, const char *header_name, char *data)
{
esl_event_header_t *header = NULL;
esl_ssize_t hlen = -1;
int exists = 0;
if ((stack & ESL_STACK_PUSH) || (stack & ESL_STACK_UNSHIFT) || esl_test_flag(event, ESL_EF_CONTAINS_ARRAYS)) {
if ((header = esl_event_get_header_ptr(event, header_name))) {
if (!(stack & ESL_STACK_PUSH) && !(stack & ESL_STACK_UNSHIFT) && header->idx) {
stack |= ESL_STACK_PUSH;
}
if ((stack & ESL_STACK_PUSH) || (stack & ESL_STACK_UNSHIFT)) {
exists++;
stack &= ~(ESL_STACK_TOP | ESL_STACK_BOTTOM);
} else {
header = NULL;
}
}
}
if (!header) {
#ifdef ESL_EVENT_RECYCLE
void *pop;
if (esl_queue_trypop(EVENT_HEADER_RECYCLE_QUEUE, &pop) == ESL_SUCCESS) {
header = (esl_event_header_t *) pop;
} else {
#endif
header = ALLOC(sizeof(*header));
esl_assert(header);
#ifdef ESL_EVENT_RECYCLE
}
#endif
if (esl_test_flag(event, ESL_EF_UNIQ_HEADERS)) {
esl_event_del_header(event, header_name);
}
memset(header, 0, sizeof(*header));
header->name = DUP(header_name);
}
if ((stack & ESL_STACK_PUSH) || (stack & ESL_STACK_UNSHIFT)) {
char **m = NULL;
esl_size_t len = 0;
char *hv;
int i = 0, j = 0;
esl_set_flag(event, ESL_EF_CONTAINS_ARRAYS);
if (header->value && !header->idx) {
m = malloc(sizeof(char *));
esl_assert(m);
m[0] = header->value;
header->value = NULL;
header->array = m;
header->idx++;
m = NULL;
}
i = header->idx + 1;
m = realloc(header->array, sizeof(char *) * i);
esl_assert(m);
if ((stack & ESL_STACK_PUSH)) {
m[header->idx] = data;
} else if ((stack & ESL_STACK_UNSHIFT)) {
for (j = header->idx; j > 0; j--) {
m[j] = m[j-1];
}
m[0] = data;
}
header->idx++;
header->array = m;
for(j = 0; j < header->idx; j++) {
len += strlen(header->array[j]) + 2;
}
if (len) {
len += 8;
hv = realloc(header->value, len);
esl_assert(hv);
header->value = hv;
esl_snprintf(header->value, len, "ARRAY::");
for(j = 0; j < header->idx; j++) {
esl_snprintf(header->value + strlen(header->value), len - strlen(header->value), "%s%s", j == 0 ? "" : "::", header->array[j]);
}
}
} else {
header->value = data;
}
if (!exists) {
header->hash = esl_ci_hashfunc_default(header->name, &hlen);
if ((stack & ESL_STACK_TOP)) {
header->next = event->headers;
event->headers = header;
if (!event->last_header) {
event->last_header = header;
}
} else {
if (event->last_header) {
event->last_header->next = header;
} else {
event->headers = header;
header->next = NULL;
}
event->last_header = header;
}
}
return ESL_SUCCESS;
}