int pc__handshake_req(pc_client_t *client) {
json_t *handshake_opts = client->handshake_opts;
json_t *body = json_object();
if(body == NULL) {
fprintf(stderr, "Fail to create json_t for handshake request.\n");
return -1;
}
// compose handshake package
json_t *sys = json_object();
if(sys == NULL) {
fprintf(stderr, "Fail to create json_t for handshake request.\n");
goto error;
}
json_object_set(body, "sys", sys);
json_object_set(sys, "version", json_string(PC_VERSION));
if(handshake_opts) {
json_t *heartbeat = json_object_get(handshake_opts, "heartbeat");
if(heartbeat) {
json_object_set(sys, "heartbeat", heartbeat);
}
json_t *user = json_object_get(handshake_opts, "user");
if(heartbeat) {
json_object_set(body, "user", user);
}
}
const char *data = json_dumps(body, JSON_COMPACT);
if(data == NULL) {
fprintf(stderr, "Fail to compose Pomelo handshake package.\n");
goto error;
}
pc_buf_t buf = pc_pkg_encode(PC_PKG_HANDSHAKE, data, strlen(data));
if(pc__binary_write(client, buf.base, buf.len, pc__handshake_req_cb)) {
fprintf(stderr, "Fail to send handshake request.\n");
goto error;
}
json_decref(body);
return 0;
error:
if(body) json_decref(body);
return -1;
}
int pc__handshake_ack(pc_client_t *client) {
pc_buf_t buf = pc_pkg_encode(PC_PKG_HANDSHAKE_ACK, NULL, 0);
if(buf.len == -1) {
fprintf(stderr, "Fail to encode handshake ack package.\n");
goto error;
}
if(pc__binary_write(client, buf.base, buf.len, pc__handshake_ack_cb)) {
fprintf(stderr, "Fail to send handshake ack.\n");
goto error;
}
return 0;
error:
if(buf.len != -1) free(buf.base);
return -1;
}
int pc__heartbeat_req(pc_client_t *client) {
if(PC_ST_WORKING != client->state) {
return -1;
}
pc_buf_t buf = pc_pkg_encode(PC_PKG_HEARBEAT, NULL, 0);
if(buf.len == -1) {
fprintf(stderr, "Fail to encode heartbeat package.\n");
goto error;
}
if(pc__binary_write(client, buf.base, buf.len, pc__heartbeat_req_cb)) {
fprintf(stderr, "Fail to send heartbeat request.\n");
goto error;
}
return 0;
error:
if(buf.len != -1) free(buf.base);
return -1;
}
