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sending json formatted packet

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gonna make receiving decode this
This commit is contained in:
Václav Šmejkal 2023-03-24 19:43:48 +01:00
parent 0c285690eb
commit 6f237888b1
Signed by: ENGO150
GPG Key ID: 4A57E86482968843
1 changed files with 51 additions and 2 deletions
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53
src/chat/misc.c
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@ -27,6 +27,8 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <pthread.h>
#include <json-c/json.h>
#include <why2/chat/flags.h>
#include <why2/memory.h>
@ -129,10 +131,55 @@ void *send_to_all(void *message)
return NULL;
}
void append(char **destination, char *key, char *value)
{
char *output = why2_calloc(strlen(*destination) + strlen(key) + strlen(value) + 7, sizeof(char));
sprintf(output, "%s%s\"%s\":\"%s\"", *destination, strcmp(*destination, "") == 0 ? "" : ",", key, value);
why2_deallocate(*destination);
*destination = output;
}
void add_brackets(char **json)
{
char *output = why2_calloc(strlen(*json) + 3, sizeof(char));
sprintf(output, "{%s}", *json);
why2_deallocate(*json);
*json = output;
}
//GLOBAL
void why2_send_socket(char *text, int socket)
{
unsigned short text_length = (unsigned short) strlen(text) + 2;
char *output = why2_strdup("");
size_t length_buffer = strlen(text);
char *text_copy = why2_calloc(length_buffer, sizeof(char));
struct json_object *json = json_tokener_parse("{}");
//COPY text INTO text_copy WITHOUT LAST CHARACTER
strncpy(text_copy, text, length_buffer - 1);
//ADD OBJECTS
json_object_object_add(json, "message", json_object_new_string(text_copy));
json_object_object_add(json, "username", json_object_new_string("anon"));
//GENERATE JSON STRING
json_object_object_foreach(json, key, value)
{
append(&output, key, (char*) json_object_get_string(value));
}
add_brackets(&output);
why2_deallocate(text_copy);
json_object_put(json);
//printf("NEGR\n");
unsigned short text_length = (unsigned short) strlen(output) + 2;
char *final = why2_calloc(text_length, sizeof(char));
//SPLIT LENGTH INTO TWO CHARS
@ -141,13 +188,15 @@ void why2_send_socket(char *text, int socket)
for (int i = 2; i < text_length; i++) //APPEND
{
final[i] = text[i - 2];
final[i] = output[i - 2];
}
//SEND
send(socket, final, text_length, 0);
//DEALLOCATION
why2_deallocate(final);
why2_deallocate(output);
}
void *why2_communicate_thread(void *arg)