]> git.ipfire.org Git - thirdparty/dovecot/core.git/commitdiff
lib-http: Reformat http-client-request.c.
authorStephan Bosch <stephan.bosch@open-xchange.com>
Sat, 27 Jun 2020 16:48:40 +0000 (18:48 +0200)
committerTimo Sirainen <timo.sirainen@open-xchange.com>
Tue, 1 Dec 2020 16:38:47 +0000 (18:38 +0200)
src/lib-http/http-client-request.c

index 4d960cebd67e192cd305aa0309000ef23d36e1a1..250417c93a62eb73bb5f0be947dbe3d081109fb0 100644 (file)
@@ -39,8 +39,7 @@ static bool
 http_client_request_send_error(struct http_client_request *req,
                               unsigned int status, const char *error);
 
-const char *
-http_client_request_label(struct http_client_request *req)
+const char *http_client_request_label(struct http_client_request *req)
 {
        if (req->label == NULL) {
                req->label = p_strdup_printf(
@@ -50,8 +49,7 @@ http_client_request_label(struct http_client_request *req)
        return req->label;
 }
 
-static void
-http_client_request_update_event(struct http_client_request *req)
+static void http_client_request_update_event(struct http_client_request *req)
 {
        event_add_str(req->event, "method", req->method);
        event_add_str(req->event, "dest_host", req->origin_url.host.name);
@@ -71,7 +69,7 @@ http_client_request_result_event(struct http_client_request *req)
 
        if (conn != NULL) {
                if (req->state == HTTP_REQUEST_STATE_PAYLOAD_OUT) {
-                       /* got here prematurely; use bytes written so far */
+                       /* Got here prematurely; use bytes written so far */
                        i_assert(req->request_offset <
                                 conn->conn.output->offset);
                        req->bytes_out = conn->conn.output->offset -
@@ -80,7 +78,7 @@ http_client_request_result_event(struct http_client_request *req)
                if (conn->incoming_payload != NULL &&
                    (req->state == HTTP_REQUEST_STATE_GOT_RESPONSE ||
                     req->state == HTTP_REQUEST_STATE_PAYLOAD_IN)) {
-                       /* got here prematurely; use bytes read so far */
+                       /* Got here prematurely; use bytes read so far */
                        i_assert(conn->in_req_callback ||
                                 conn->pending_request == req);
                        i_assert(req->response_offset <
@@ -122,7 +120,7 @@ http_client_request_new(struct http_client *client, const char *method,
        req->date = (time_t)-1;
        req->event = event_create(client->event);
 
-       /* default to client-wide settings: */
+       /* Default to client-wide settings: */
        req->max_attempts = client->set.max_attempts;
        req->attempt_timeout_msecs = client->set.request_timeout_msecs;
 
@@ -181,10 +179,10 @@ http_client_request_url_str(struct http_client *client,
 
        if (http_url_parse(url_str, NULL, HTTP_URL_ALLOW_USERINFO_PART,
                           req->pool, &target_url, &error) < 0) {
-               req->label = p_strdup_printf(req->pool,
-                       "[Req%u: %s %s]", req->id, req->method, url_str);
-               http_client_request_error(&tmpreq,
-                       HTTP_CLIENT_REQUEST_ERROR_INVALID_URL,
+               req->label = p_strdup_printf(req->pool, "[Req%u: %s %s]",
+                                            req->id, req->method, url_str);
+               http_client_request_error(
+                       &tmpreq, HTTP_CLIENT_REQUEST_ERROR_INVALID_URL,
                        t_strdup_printf("Invalid HTTP URL: %s", error));
                http_client_request_update_event(req);
                return req;
@@ -301,7 +299,7 @@ bool http_client_request_unref(struct http_client_request **_req)
                        client->requests_count);
        }
 
-       /* cannot be destroyed while it is still pending */
+       /* Cannot be destroyed while it is still pending */
        i_assert(req->conn == NULL);
 
        if (req->queue != NULL)
@@ -398,9 +396,8 @@ void http_client_request_set_preserve_exact_reason(
 
 static bool
 http_client_request_lookup_header_pos(struct http_client_request *req,
-                                     const char *key,
-                                     size_t *key_pos_r, size_t *value_pos_r,
-                                     size_t *next_pos_r)
+                                     const char *key, size_t *key_pos_r,
+                                     size_t *value_pos_r, size_t *next_pos_r)
 {
        const unsigned char *data, *p;
        size_t size, line_len;
@@ -415,7 +412,7 @@ http_client_request_lookup_header_pos(struct http_client_request *req,
                line_len = (p+1) - data;
                if (size > key_len && i_memcasecmp(data, key, key_len) == 0 &&
                    data[key_len] == ':' && data[key_len+1] == ' ') {
-                       /* key was found from header, replace its value */
+                       /* Key was found from header, replace its value */
                        *key_pos_r = str_len(req->headers) - size;
                        *value_pos_r = *key_pos_r + key_len + 2;
                        *next_pos_r = *key_pos_r + line_len;
@@ -435,14 +432,14 @@ http_client_request_add_header_full(struct http_client_request *req,
        size_t key_pos, value_pos, next_pos;
 
        i_assert(req->state == HTTP_REQUEST_STATE_NEW ||
-                /* allow calling for retries */
+                /* Allow calling for retries */
                 req->state == HTTP_REQUEST_STATE_GOT_RESPONSE ||
                 req->state == HTTP_REQUEST_STATE_ABORTED);
-       /* make sure key or value can't break HTTP headers entirely */
+       /* Make sure key or value can't break HTTP headers entirely */
        i_assert(strpbrk(key, ":\r\n") == NULL);
        i_assert(strpbrk(value, "\r\n") == NULL);
 
-       /* mark presence of special headers */
+       /* Mark presence of special headers */
        switch (key[0]) {
        case 'a': case 'A':
                if (strcasecmp(key, "Authorization") == 0)
@@ -484,7 +481,7 @@ http_client_request_add_header_full(struct http_client_request *req,
                                                   &value_pos, &next_pos))
                str_printfa(req->headers, "%s: %s\r\n", key, value);
        else if (replace_existing) {
-               /* don't delete CRLF */
+               /* Don't delete CRLF */
                size_t old_value_len = next_pos - value_pos - 2;
                str_replace(req->headers, value_pos, old_value_len, value);
        }
@@ -508,7 +505,7 @@ void http_client_request_remove_header(struct http_client_request *req,
        size_t key_pos, value_pos, next_pos;
 
        i_assert(req->state == HTTP_REQUEST_STATE_NEW ||
-                /* allow calling for retries */
+                /* Allow calling for retries */
                 req->state == HTTP_REQUEST_STATE_GOT_RESPONSE ||
                 req->state == HTTP_REQUEST_STATE_ABORTED);
 
@@ -526,7 +523,7 @@ const char *http_client_request_lookup_header(struct http_client_request *req,
                                                   &value_pos, &next_pos))
                return NULL;
 
-       /* don't return CRLF */
+       /* Don't return CRLF */
        return t_strndup(str_data(req->headers) + value_pos,
                         next_pos - value_pos - 2);
 }
@@ -561,14 +558,15 @@ void http_client_request_set_payload(struct http_client_request *req,
        }
        req->payload_offset = input->v_offset;
 
-       /* prepare request payload sync using 100 Continue response from server
+       /* Prepare request payload sync using 100 Continue response from server
         */
        if ((req->payload_chunked || req->payload_size > 0) && sync)
                req->payload_sync = TRUE;
 }
 
 void http_client_request_set_payload_data(struct http_client_request *req,
-                                         const unsigned char *data, size_t size)
+                                         const unsigned char *data,
+                                         size_t size)
 {
        struct istream *input;
        unsigned char *payload_data;
@@ -680,8 +678,8 @@ void http_client_request_delay_msecs(struct http_client_request *req,
        timeval_add_msecs(&req->release_time, msecs);
 }
 
-int http_client_request_delay_from_response(struct http_client_request *req,
-                                           const struct http_response *response)
+int http_client_request_delay_from_response(
+       struct http_client_request *req, const struct http_response *response)
 {
        time_t retry_after = response->retry_after;
        unsigned int max;
@@ -743,18 +741,18 @@ void http_client_request_get_stats(struct http_client_request *req,
        if (!req->submitted)
                return;
 
-       /* total elapsed time since message was submitted */
+       /* Total elapsed time since message was submitted */
        diff_msecs = timeval_diff_msecs(&ioloop_timeval, &req->submit_time);
        stats_r->total_msecs = (unsigned int)I_MAX(diff_msecs, 0);
 
-       /* elapsed time since message was first sent */
+       /* Elapsed time since message was first sent */
        if (req->first_sent_time.tv_sec > 0) {
                diff_msecs = timeval_diff_msecs(&ioloop_timeval,
                                                &req->first_sent_time);
                stats_r->first_sent_msecs = (unsigned int)I_MAX(diff_msecs, 0);
        }
 
-       /* elapsed time since message was last sent */
+       /* Elapsed time since message was last sent */
        if (req->sent_time.tv_sec > 0) {
                diff_msecs = timeval_diff_msecs(&ioloop_timeval,
                                                &req->sent_time);
@@ -762,34 +760,37 @@ void http_client_request_get_stats(struct http_client_request *req,
        }
 
        if (req->conn != NULL) {
-               /* time spent in other ioloops */
+               /* Time spent in other ioloops */
                i_assert(ioloop_global_wait_usecs >=
                         req->sent_global_ioloop_usecs);
                stats_r->other_ioloop_msecs = (unsigned int)
                        (ioloop_global_wait_usecs -
                                req->sent_global_ioloop_usecs + 999) / 1000;
 
-               /* time spent in the http-client's own ioloop */
+               /* Time spent in the http-client's own ioloop */
                if (client != NULL && client->waiting) {
-                       wait_usecs = io_wait_timer_get_usecs(req->conn->io_wait_timer);
+                       wait_usecs =
+                               io_wait_timer_get_usecs(req->conn->io_wait_timer);
                        i_assert(wait_usecs >= req->sent_http_ioloop_usecs);
                        stats_r->http_ioloop_msecs = (unsigned int)
-                               (wait_usecs - req->sent_http_ioloop_usecs + 999) / 1000;
+                               (wait_usecs -
+                                req->sent_http_ioloop_usecs + 999) / 1000;
 
-                       i_assert(stats_r->other_ioloop_msecs >= stats_r->http_ioloop_msecs);
+                       i_assert(stats_r->other_ioloop_msecs >=
+                                stats_r->http_ioloop_msecs);
                        stats_r->other_ioloop_msecs -= stats_r->http_ioloop_msecs;
                }
        }
 
-       /* total time spent on waiting for file locks */
+       /* Total time spent on waiting for file locks */
        wait_usecs = file_lock_wait_get_total_usecs();
        i_assert(wait_usecs >= req->sent_lock_usecs);
        stats_r->lock_msecs = (unsigned int)
                (wait_usecs - req->sent_lock_usecs + 999) / 1000;
 
-       /* number of attempts for this request */
+       /* Number of attempts for this request */
        stats_r->attempts = req->attempts;
-       /* number of send attempts for this request */
+       /* Number of send attempts for this request */
        stats_r->send_attempts = req->send_attempts;
 }
 
@@ -867,8 +868,9 @@ static void http_client_request_do_submit(struct http_client_request *req)
        struct http_client_host *host;
        const char *proxy_socket_path = client->set.proxy_socket_path;
        const struct http_url *proxy_url = client->set.proxy_url;
-       bool have_proxy = (proxy_socket_path != NULL) || (proxy_url != NULL) ||
-               (req->host_socket != NULL) || (req->host_url != NULL);
+       bool have_proxy =
+               ((proxy_socket_path != NULL) || (proxy_url != NULL) ||
+                (req->host_socket != NULL) || (req->host_url != NULL));
        const char *authority, *target;
 
        if (req->state == HTTP_REQUEST_STATE_ABORTED)
@@ -878,59 +880,59 @@ static void http_client_request_do_submit(struct http_client_request *req)
 
        authority = http_url_create_authority(&req->origin_url);
        if (req->connect_tunnel) {
-               /* connect requests require authority form for request target */
+               /* Connect requests require authority form for request target */
                target = authority;
        } else {
-               /* absolute target url */
+               /* Absolute target URL */
                target = t_strconcat(http_url_create_host(&req->origin_url),
                                     req->target, NULL);
        }
 
-       /* determine what host to contact to submit this request */
+       /* Determine what host to contact to submit this request */
        if (have_proxy) {
                if (req->host_socket != NULL) {
-                       /* specific socket proxy */
+                       /* Specific socket proxy */
                        req->host_url = NULL;
                } else if (req->host_url != NULL) {
-                       /* specific normal proxy */
+                       /* Specific normal proxy */
                        req->host_socket = NULL;
                } else if (req->origin_url.have_ssl &&
                           !client->set.no_ssl_tunnel &&
                           !req->connect_tunnel) {
-                       /* tunnel to origin server */
+                       /* Tunnel to origin server */
                        req->host_url = &req->origin_url;
                        req->ssl_tunnel = TRUE;
                } else if (proxy_socket_path != NULL) {
-                       /* proxy on unix socket */
+                       /* Proxy on unix socket */
                        req->host_socket = proxy_socket_path;
                        req->host_url = NULL;
                } else {
-                       /* normal proxy server */
+                       /* Normal proxy server */
                        req->host_url = proxy_url;
                        req->host_socket = NULL;
                }
        } else {
-               /* origin server */
+               /* Origin server */
                req->host_url = &req->origin_url;
        }
 
-       /* use submission date if no date is set explicitly */
+       /* Use submission date if no date is set explicitly */
        if (req->date == (time_t)-1)
                req->date = ioloop_time;
 
-       /* prepare value for Host header */
+       /* Prepare value for Host header */
        req->authority = p_strdup(req->pool, authority);
 
-       /* debug label */
+       /* Debug label */
        req->label = p_strdup_printf(req->pool, "[Req%u: %s %s]",
                                     req->id, req->method, target);
 
-       /* update request target */
+       /* Update request target */
        if (req->connect_tunnel || have_proxy)
                req->target = p_strdup(req->pool, target);
 
        if (!have_proxy) {
-               /* if we don't have a proxy, CONNECT requests are handled by
+               /* If we don't have a proxy, CONNECT requests are handled by
                   creating the requested connection directly */
                req->connect_direct = req->connect_tunnel;
                if (req->connect_direct)
@@ -978,7 +980,7 @@ void http_client_request_get_peer_addr(const struct http_client_request *req,
        const char *host_socket = req->host_socket;
        const struct http_url *host_url = req->host_url;
 
-       /* the IP address may be unassigned in the returned peer address, since
+       /* The IP address may be unassigned in the returned peer address, since
           that is only available at this stage when the target URL has an
           explicit IP address. */
        i_zero(addr);
@@ -1011,7 +1013,7 @@ static int http_client_request_flush_payload(struct http_client_request *req)
        int ret;
 
        if (req->payload_output != conn->conn.output &&
-           (ret=o_stream_finish(req->payload_output)) <= 0) {
+           (ret = o_stream_finish(req->payload_output)) <= 0) {
                if (ret < 0)
                        http_client_connection_handle_output_error(conn);
                return ret;
@@ -1029,7 +1031,7 @@ http_client_request_finish_payload_out(struct http_client_request *req)
        i_assert(conn != NULL);
        req->payload_finished = TRUE;
 
-       /* drop payload output stream */
+       /* Drop payload output stream */
        if (req->payload_output != NULL) {
                ret = http_client_request_flush_payload(req);
                if (ret < 0)
@@ -1046,7 +1048,7 @@ http_client_request_finish_payload_out(struct http_client_request *req)
        i_assert(req->request_offset < conn->conn.output->offset);
        req->bytes_out = conn->conn.output->offset - req->request_offset;
 
-       /* advance state only when request didn't get aborted in the mean time
+       /* Advance state only when request didn't get aborted in the mean time
         */
        if (req->state != HTTP_REQUEST_STATE_ABORTED) {
                i_assert(req->state == HTTP_REQUEST_STATE_PAYLOAD_OUT);
@@ -1056,7 +1058,7 @@ http_client_request_finish_payload_out(struct http_client_request *req)
                http_client_connection_start_request_timeout(conn);
        }
 
-       /* release connection */
+       /* Release connection */
        conn->output_locked = FALSE;
 
        e_debug(req->event, "Finished sending%s payload",
@@ -1125,8 +1127,10 @@ http_client_request_continue_payload(struct http_client_request **_req,
                while (req->state < HTTP_REQUEST_STATE_PAYLOAD_IN) {
                        e_debug(req->event, "Waiting for request to finish");
 
-                       if (req->state == HTTP_REQUEST_STATE_PAYLOAD_OUT)
-                               o_stream_set_flush_pending(req->payload_output, TRUE);
+                       if (req->state == HTTP_REQUEST_STATE_PAYLOAD_OUT) {
+                               o_stream_set_flush_pending(
+                                       req->payload_output, TRUE);
+                       }
 
                        io_loop_run(client_ioloop);
 
@@ -1186,15 +1190,15 @@ int http_client_request_send_payload(struct http_client_request **_req,
 
        ret = http_client_request_continue_payload(&req, data, size);
        if (ret < 0) {
-               /* failed to send payload */
+               /* Failed to send payload */
                *_req = NULL;
        } else if (ret > 0) {
-               /* premature end of request;
+               /* Premature end of request;
                   server sent error before all payload could be sent */
                ret = -1;
                *_req = NULL;
        } else {
-               /* not finished sending payload */
+               /* Not finished sending payload */
                i_assert(req != NULL);
        }
        return ret;
@@ -1238,7 +1242,7 @@ int http_client_request_send_more(struct http_client_request *req,
 
        io_remove(&conn->io_req_payload);
 
-       /* chunked ostream needs to write to the parent stream's buffer */
+       /* Chunked ostream needs to write to the parent stream's buffer */
        offset = req->payload_input->v_offset;
        o_stream_set_max_buffer_size(output, IO_BLOCK_SIZE);
        res = o_stream_send_istream(output, req->payload_input);
@@ -1251,7 +1255,7 @@ int http_client_request_send_more(struct http_client_request *req,
 
        switch (res) {
        case OSTREAM_SEND_ISTREAM_RESULT_FINISHED:
-               /* finished sending */
+               /* Finished sending */
                if (!req->payload_chunked &&
                    (req->payload_input->v_offset - req->payload_offset) !=
                        req->payload_size) {
@@ -1267,7 +1271,7 @@ int http_client_request_send_more(struct http_client_request *req,
                }
 
                if (req->payload_wait) {
-                       /* this chunk of input is finished
+                       /* This chunk of input is finished
                           (client needs to act; disable timeout) */
                        i_assert(!pipelined);
                        conn->output_locked = TRUE;
@@ -1279,7 +1283,7 @@ int http_client_request_send_more(struct http_client_request *req,
                /* Finished sending payload */
                return http_client_request_finish_payload_out(req);
        case OSTREAM_SEND_ISTREAM_RESULT_WAIT_INPUT:
-               /* input is blocking (client needs to act; disable timeout) */
+               /* Input is blocking (client needs to act; disable timeout) */
                conn->output_locked = TRUE;
                if (!pipelined)
                        http_client_connection_stop_request_timeout(conn);
@@ -1288,20 +1292,20 @@ int http_client_request_send_more(struct http_client_request *req,
                        http_client_request_payload_input, req);
                return 1;
        case OSTREAM_SEND_ISTREAM_RESULT_WAIT_OUTPUT:
-               /* output is blocking (server needs to act; enable timeout) */
+               /* Output is blocking (server needs to act; enable timeout) */
                conn->output_locked = TRUE;
                if (!pipelined)
                        http_client_connection_start_request_timeout(conn);
                e_debug(req->event, "Partially sent payload");
                return 0;
        case OSTREAM_SEND_ISTREAM_RESULT_ERROR_INPUT:
-               /* we're in the middle of sending a request, so the connection
+               /* We're in the middle of sending a request, so the connection
                   will also have to be aborted */
                error = t_strdup_printf("read(%s) failed: %s",
                                        i_stream_get_name(req->payload_input),
                                        i_stream_get_error(req->payload_input));
 
-               /* the payload stream assigned to this request is broken, fail
+               /* The payload stream assigned to this request is broken, fail
                   this the request immediately */
                http_client_request_error(&req,
                        HTTP_CLIENT_REQUEST_ERROR_BROKEN_PAYLOAD,
@@ -1310,7 +1314,7 @@ int http_client_request_send_more(struct http_client_request *req,
                http_client_connection_lost(&conn, error);
                return -1;
        case OSTREAM_SEND_ISTREAM_RESULT_ERROR_OUTPUT:
-               /* failed to send request */
+               /* Failed to send request */
                http_client_connection_handle_output_error(conn);
                return -1;
        }
@@ -1329,13 +1333,13 @@ http_client_request_send_real(struct http_client_request *req, bool pipelined)
        i_assert(!req->conn->output_locked);
        i_assert(req->payload_output == NULL);
 
-       /* create request line */
+       /* Create request line */
        str_append(rtext, req->method);
        str_append(rtext, " ");
        str_append(rtext, req->target);
        str_append(rtext, " HTTP/1.1\r\n");
 
-       /* create special headers implicitly if not set explicitly using
+       /* Create special headers implicitly if not set explicitly using
           http_client_request_add_header() */
        if (!req->have_hdr_host) {
                str_append(rtext, "Host: ");
@@ -1388,7 +1392,7 @@ http_client_request_send_real(struct http_client_request *req, bool pipelined)
                strcasecmp(req->method, "POST") == 0 ||
                strcasecmp(req->method, "PUT") == 0) {
 
-               /* send Content-Length if we have specified a payload or when
+               /* Send Content-Length if we have specified a payload or when
                   one is normally expected, even if it's 0 bytes. */
                i_assert(req->payload_input != NULL || req->payload_size == 0);
                if (!req->have_hdr_body_spec) {
@@ -1411,10 +1415,10 @@ http_client_request_send_real(struct http_client_request *req, bool pipelined)
                str_append(rtext, "Connection: Keep-Alive\r\n");
        }
 
-       /* request line + implicit headers */
+       /* Request line + implicit headers */
        iov[0].iov_base = str_data(rtext);
        iov[0].iov_len = str_len(rtext);
-       /* explicit headers */
+       /* Explicit headers */
        if (req->headers != NULL) {
                iov[1].iov_base = str_data(req->headers);
                iov[1].iov_len = str_len(req->headers);
@@ -1422,7 +1426,7 @@ http_client_request_send_real(struct http_client_request *req, bool pipelined)
                iov[1].iov_base = "";
                iov[1].iov_len = 0;
        }
-       /* end of header */
+       /* End of header */
        iov[2].iov_base = "\r\n";
        iov[2].iov_len = 2;
 
@@ -1511,12 +1515,12 @@ bool http_client_request_callback(struct http_client_request *req,
 
                callback(&response_copy, req->context);
                if (req->attempts != orig_attempts) {
-                       /* retrying */
+                       /* Retrying */
                        req->callback = callback;
                        http_client_request_resubmit(req);
                        return FALSE;
                } else {
-                       /* release payload early
+                       /* Release payload early
                           (prevents server/client deadlock in proxy) */
                        i_stream_unref(&req->payload_input);
                }
@@ -1543,12 +1547,12 @@ http_client_request_send_error(struct http_client_request *req,
                (void)callback(&response, req->context);
 
                if (req->attempts != orig_attempts) {
-                       /* retrying */
+                       /* Retrying */
                        req->callback = callback;
                        http_client_request_resubmit(req);
                        return FALSE;
                } else {
-                       /* release payload early
+                       /* Release payload early
                           (prevents server/client deadlock in proxy) */
                        if (!sending && req->payload_input != NULL)
                                i_stream_unref(&req->payload_input);
@@ -1596,7 +1600,7 @@ void http_client_request_error(struct http_client_request **_req,
        req->last_status = status;
 
        e_debug(http_client_request_result_event(req)->
-               set_name("http_request_finished")->event(),
+                       set_name("http_request_finished")->event(),
                "Error: %u %s", status, error);
 
        if (req->queue != NULL)
@@ -1605,7 +1609,7 @@ void http_client_request_error(struct http_client_request **_req,
        if (req->client != NULL &&
            (!req->submitted ||
             req->state == HTTP_REQUEST_STATE_GOT_RESPONSE)) {
-               /* we're still in http_client_request_submit() or in the
+               /* We're still in http_client_request_submit() or in the
                   callback during a retry attempt. delay reporting the error,
                   so the caller doesn't have to handle immediate or nested
                   callbacks. */
@@ -1646,7 +1650,7 @@ void http_client_request_abort(struct http_client_request **_req)
                        "Aborted");
        }
 
-       /* release payload early (prevents server/client deadlock in proxy) */
+       /* Release payload early (prevents server/client deadlock in proxy) */
        if (!sending && req->payload_input != NULL)
                i_stream_unref(&req->payload_input);
 
@@ -1722,8 +1726,8 @@ void http_client_request_redirect(struct http_client_request *req,
        /* parse URL */
        if (http_url_parse(location, NULL, 0,
                           pool_datastack_create(), &url, &error) < 0) {
-               http_client_request_error(&req,
-                       HTTP_CLIENT_REQUEST_ERROR_INVALID_REDIRECT,
+               http_client_request_error(
+                       &req, HTTP_CLIENT_REQUEST_ERROR_INVALID_REDIRECT,
                        t_strdup_printf("Invalid redirect location: %s",
                                        error));
                return;
@@ -1732,13 +1736,15 @@ void http_client_request_redirect(struct http_client_request *req,
        i_assert(req->redirects <= req->client->set.max_redirects);
        if (++req->redirects > req->client->set.max_redirects) {
                if (req->client->set.max_redirects > 0) {
-                       http_client_request_error(&req,
+                       http_client_request_error(
+                               &req,
                                HTTP_CLIENT_REQUEST_ERROR_INVALID_REDIRECT,
                                t_strdup_printf(
                                        "Redirected more than %d times",
                                        req->client->set.max_redirects));
                } else {
-                       http_client_request_error(&req,
+                       http_client_request_error(
+                               &req,
                                HTTP_CLIENT_REQUEST_ERROR_INVALID_REDIRECT,
                                "Redirect refused");
                }
@@ -1762,7 +1768,7 @@ void http_client_request_redirect(struct http_client_request *req,
        origin_url = http_url_create(&req->origin_url);
 
        e_debug(http_client_request_result_event(req)->
-               set_name("http_request_redirected")->event(),
+                       set_name("http_request_redirected")->event(),
                "Redirecting to %s%s (redirects=%u)",
                origin_url, target, req->redirects);
 
@@ -1787,7 +1793,7 @@ void http_client_request_redirect(struct http_client_request *req,
                req->payload_offset = 0;
        }
 
-       /* resubmit */
+       /* Resubmit */
        req->state = HTTP_REQUEST_STATE_NEW;
        http_client_request_do_submit(req);
 }
@@ -1824,14 +1830,14 @@ void http_client_request_retry(struct http_client_request *req,
 
 bool http_client_request_try_retry(struct http_client_request *req)
 {
-       /* don't ever retry if we're sending data in small blocks via
+       /* Don't ever retry if we're sending data in small blocks via
           http_client_request_send_payload() and we're not waiting for a
           100 continue (there's no way to rewind the payload for a retry)
         */
        if (req->payload_wait &&
            (!req->payload_sync || req->payload_sync_continue))
                return FALSE;
-       /* limit the number of attempts for each request */
+       /* Limit the number of attempts for each request */
        if (req->attempts+1 >= req->max_attempts)
                return FALSE;
        req->attempts++;