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JSON-RPC over Websockets: Fix bug with >64Kb responses.

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Eg if there are 10.000 users online and you do user.list.
The old websocket framing assumed no response was >64Kb.

This also creates a new function websocket_create_packet_ex()
This commit is contained in:
Bram Matthys
2023-01-04 13:07:10 +01:00
parent d6a3db4ad2
commit b33628b765
6 changed files with 66 additions and 13 deletions
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src/api-efunctions.c
+2
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@@ -147,6 +147,7 @@ void (*rpc_error)(Client *client, json_t *request, JsonRpcError error_code, cons
void (*rpc_error_fmt)(Client *client, json_t *request, JsonRpcError error_code, const char *fmt, ...);
int (*websocket_handle_websocket)(Client *client, WebRequest *web, const char *readbuf2, int length2, int callback(Client *client, char *buf, int len));
int (*websocket_create_packet)(int opcode, char **buf, int *len);
int (*websocket_create_packet_ex)(int opcode, char **buf, int *len, char *sendbuf, size_t sendbufsize);
int (*websocket_create_packet_simple)(int opcode, const char **buf, int *len);
Efunction *EfunctionAddMain(Module *module, EfunctionType eftype, int (*func)(), void (*vfunc)(), void *(*pvfunc)(), char *(*stringfunc)(), const char *(*conststringfunc)())
@@ -430,5 +431,6 @@ void efunctions_init(void)
efunc_init_function(EFUNC_RPC_ERROR_FMT, rpc_error_fmt, rpc_error_fmt_default_handler);
efunc_init_function(EFUNC_WEBSOCKET_HANDLE_WEBSOCKET, websocket_handle_websocket, websocket_handle_websocket_default_handler);
efunc_init_function(EFUNC_WEBSOCKET_CREATE_PACKET, websocket_create_packet, websocket_create_packet_default_handler);
efunc_init_function(EFUNC_WEBSOCKET_CREATE_PACKET_EX, websocket_create_packet_ex, websocket_create_packet_ex_default_handler);
efunc_init_function(EFUNC_WEBSOCKET_CREATE_PACKET_SIMPLE, websocket_create_packet_simple, websocket_create_packet_simple_default_handler);
}