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66 lines
1.8 KiB
66 lines
1.8 KiB
3 years ago
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#pragma once
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#include <assert.h>
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#include <errno.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "current_sandbox.h"
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#include "http.h"
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#include "http_total.h"
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#include "likely.h"
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#include "sandbox_types.h"
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#include "scheduler.h"
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#include "panic.h"
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/**
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* Sends Response Back to Client
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* @return RC. -1 on Failure
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*/
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static inline int
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current_sandbox_send_response()
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{
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struct sandbox *sandbox = current_sandbox_get();
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assert(sandbox != NULL);
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int rc;
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ssize_t sent = 0;
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/* Determine values to template into our HTTP response */
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ssize_t response_body_size = sandbox->response.length;
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char * module_content_type = sandbox->module->response_content_type;
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const char *content_type = strlen(module_content_type) > 0 ? module_content_type : "text/plain";
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/* Capture Timekeeping data for end-to-end latency */
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uint64_t end_time = __getcycles();
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sandbox->total_time = end_time - sandbox->timestamp_of.request_arrival;
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/* Generate and send HTTP Response Headers */
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ssize_t response_header_size = http_response_200_size(content_type, response_body_size);
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char response_header_buffer[response_header_size + 1];
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rc = http_header_200_build(response_header_buffer, content_type, response_body_size);
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if (rc <= 0) {
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perror("sprintf");
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goto err;
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}
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client_socket_send(sandbox->client_socket_descriptor, response_header_buffer, response_header_size,
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current_sandbox_sleep);
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/* Send HTTP Response Body */
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client_socket_send(sandbox->client_socket_descriptor, sandbox->response.base, response_body_size,
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current_sandbox_sleep);
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http_total_increment_2xx();
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rc = 0;
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done:
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return rc;
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err:
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debuglog("Error sending to client: %s", strerror(errno));
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rc = -1;
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goto done;
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}
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